AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 22, 2007

1933 ACT FILE NO. 333-142056
1940 ACT FILE NO. 811-22047


U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM N-2

(CHECK APPROPRIATE BOX)

[ ] REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

[X] PRE-EFFECTIVE AMENDMENT NO. 2

[ ] POST-EFFECTIVE AMENDMENT NO. __________

AND/OR

[ ] REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940

[X] AMENDMENT NO. 2

CALAMOS GLOBAL DYNAMIC INCOME FUND
Exact Name of Registrant as Specified in Charter

2020 CALAMOS COURT, NAPERVILLE, ILLINOIS 60563
Address of Principal Executive Offices (Number, Street, City, State, Zip Code)

(630) 245-7200
Registrant's Telephone Number, including Area Code

JAMES S. HAMMAN, JR.
GENERAL COUNSEL AND SECRETARY
CALAMOS ADVISORS LLC
2020 CALAMOS COURT
NAPERVILLE, ILLINOIS 60563
Name and Address (Number, Street, City, State, Zip Code) of Agent for Service

COPIES OF COMMUNICATIONS TO:

            DAVID A. STURMS                       CAMERON S. AVERY                    SARAH E. COGAN
VEDDER, PRICE, KAUFMAN & KAMMHOLZ, P.C.        BELL, BOYD & LLOYD LLP         SIMPSON THACHER & BARTLETT LLP
           222 NORTH LASALLE              70 WEST MADISON STREET SUITE 3100        425 LEXINGTON AVENUE
           CHICAGO, IL 60601                   CHICAGO, IL 60602-4207               NEW YORK, NY 10017

APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING: As soon as practicable after the
effective date of this Registration Statement


If any of the securities being registered on this Form will be offered on a delayed or continuous basis in reliance on Rule 415 under the Securities Act of 1933, as amended (the "Securities Act"), other than securities offered in connection with a dividend or interest reinvestment plans, check the following box. [ ]

It is proposed that this filing will become effective (check appropriate box)

[X] when declared effective pursuant to section 8(c).


CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933

================================================================================
                                        PROPOSED      PROPOSED
                                        MAXIMUM        MAXIMUM
                            AMOUNT      OFFERING      AGGREGATE      AMOUNT OF
   TITLE OF SECURITIES       BEING       PRICE        OFFERING      REGISTRATION
     BEING REGISTERED    REGISTERED(1)  PER UNIT      PRICE(1)         FEE(2)
--------------------------------------------------------------------------------
Common Shares (no  par
   value) ............   66,666,667      $15.00    $1,000,000,000     $30,700
================================================================================

(1) Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(o) under the Securities Act of 1933.

(2) $30.70 of which was paid previously.

THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL FILE A FURTHER AMENDMENT, WHICH SPECIFICALLY STATES THIS REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF THE SECURITIES ACT OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.



THE INFORMATION IN THIS PROSPECTUS IS NOT COMPLETE AND MAY BE CHANGED. WE MAY NOT SELL THESE SECURITIES UNTIL THE REGISTRATION STATEMENT FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PROSPECTUS IS NOT AN OFFER TO SELL THESE SECURITIES AND IT IS NOT SOLICITING AN OFFER TO BUY THESE SECURITIES IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.

SUBJECT TO COMPLETION DATED JUNE 22, 2007

PROSPECTUS(CALAMOS INVESTMENTS LOGO)

SHARES
CALAMOS GLOBAL DYNAMIC INCOME FUND
COMMON SHARES OF BENEFICIAL INTEREST
$15.00 PER SHARE


Investment Objective. Calamos Global Dynamic Income Fund (the "Fund") is a newly organized, diversified, closed-end management investment company. The Fund's primary investment objective is to generate a high level of current income, with a secondary objective of capital appreciation.

Portfolio Contents. Under normal circumstances, the Fund will invest primarily in a globally diversified portfolio of convertible instruments, common and preferred stocks, and income-producing securities such as investment grade and below investment grade (high yield/high risk) debt securities. The Fund, under normal circumstances, will invest at least 40% of its managed assets in securities of foreign issuers in developed and emerging markets, including debt and equity securities of corporate issuers and debt securities of government issuers. "Managed assets" means the total assets of the Fund (including any assets attributable to any leverage that may be outstanding) minus the sum of accrued liabilities (other than debt representing financial leverage). For this purpose the liquidation preference on any preferred shares will not constitute a liability. Below investment grade (high yield/high risk) securities are rated Ba or lower by Moody's Investors Service, Inc. ("Moody's") or BB or lower by Standard & Poor's Corporation, a division of The McGraw-Hill Companies ("Standard & Poor's"), or are unrated securities of comparable quality as determined by the Fund's investment adviser. The Fund may not invest in debt securities that are rated lower than C. Below investment grade securities are commonly referred to as "junk bonds" and are considered speculative with respect to the issuer's capacity to pay interest and repay principal. They involve greater risk of loss, are subject to greater price volatility and are less liquid, especially during periods of economic uncertainty or change, than higher rated securities. There can be no assurance that the Fund will achieve its investment objective.

Investment Adviser. Calamos Advisors LLC ("Calamos") is the Fund's investment adviser. See "Management of the Fund."

NO PRIOR HISTORY. BECAUSE THE FUND IS NEWLY ORGANIZED, ITS COMMON SHARES HAVE NO HISTORY OF PUBLIC TRADING. SHARES OF CLOSED-END FUNDS FREQUENTLY TRADE AT A DISCOUNT FROM THEIR NET ASSET VALUE. THE RISK OF LOSS DUE TO A MARKET DISCOUNT MAY BE GREATER FOR INITIAL INVESTORS EXPECTING TO SELL THEIR SHARES IN A RELATIVELY SHORT PERIOD AFTER COMPLETION OF THE PUBLIC OFFERING. The common shares have been authorized for listing on the New York Stock Exchange under the symbol "CHW," subject to official notice of issuance.

INVESTING IN THE FUND'S COMMON SHARES INVOLVES RISKS. SEE "RISK FACTORS"

BEGINNING ON PAGE 32 OF THIS PROSPECTUS.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.


                                                                  Per Share    Total(3)
                                                                 ----------    --------


Public offering price..........................................      $15.00    $
Sales load(1)..................................................  $    0.675    $
Proceeds, after expenses, to the Fund(2).......................      $         $


(1) Calamos has agreed to pay from its own assets a structuring fee to each of Wachovia Capital Markets, LLC and Citigroup Global Markets Inc. Calamos has agreed to pay from its own assets a sales incentive fee to each of H&R Block Financial Advisors, Inc. and RBC Capital Markets Corporation. Calamos may also pay certain qualifying underwriters a structuring fee, additional compensation, or a sales incentive fee in connection with the offering. See "Underwriting."

(2) Total organizational expenses and offering costs (other than the sales load) are estimated to be $ or $ per share. Calamos has agreed to pay organizational expenses and offering costs (other than sales load) that exceed $0.03 per share.

(3) The Fund has granted the underwriters an option to purchase up to additional common shares at the public offering price less the sales load, solely to cover over-allotments, if any. If such option is exercised in full, the total public offering price, sales load, estimated organizational expenses and offering costs and proceeds to the Fund will be $ , $ , $ and $ , respectively. See "Underwriting."

The underwriters expect to deliver the common shares to purchasers on or about June 29, 2007.

WACHOVIA SECURITIES                                                         CITI


ROBERT W. BAIRD & CO.                         H&R BLOCK FINANCIAL ADVISORS, INC.
CROWELL, WEEDON & CO.                                        FERRIS, BAKER WATTS
                                                                  INCORPORATED
JANNEY MONTGOMERY SCOTT LLC                                  RBC CAPITAL MARKETS
RYAN BECK & CO.                                             SOUTHWEST SECURITIES
STIFEL NICOLAUS                                   WEDBUSH MORGAN SECURITIES INC.
WELLS FARGO SECURITIES

, 2007


LEVERAGE. The Fund may, but is not required to, issue preferred shares, borrow money or issue debt securities. Those practices are known as leverage. The Fund currently anticipates that it will issue cumulative preferred shares, as soon as practicable after the closing of this offering, with an aggregate liquidation preference of up to approximately 33% of the Fund's total assets immediately after issuance. As a non-fundamental policy, the aggregate liquidation preference of preferred shares and principal amount of borrowings and debt securities may not exceed 38% of the Fund's total assets. The Fund may not be leveraged at all times and the amount of leverage, if any, may vary depending upon a variety of factors, including Calamos' outlook for the market and the costs that the Fund would incur as a result of such leverage. The use of preferred shares, borrowing or debt securities to leverage the common shares creates risks. See "Risk Factors -- Leverage Risk" beginning on page 34 of this prospectus.

You should read this prospectus, which contains important information about the Fund, before deciding whether to invest in the Fund's common shares, and retain it for future reference. A statement of additional information, dated , 2007, containing additional information about the Fund, has been filed with the Securities and Exchange Commission (the "Commission") and is incorporated by reference in its entirety into this prospectus. You may request a free copy of the statement of additional information, the table of contents of which is on page 60 of this prospectus, by calling 1.800.582.6959 or by writing to the Fund. You can review and copy documents the Fund has filed at the Commission's Public Reference Room in Washington, D.C. Call 1.202.942.8090 for information. The Commission charges a fee for copies. You can get the same information free from the Commission's EDGAR database on the Internet (http://www.sec.gov). You may also e-mail requests for these documents to publicinfo@sec.gov or make a request in writing to the Commission's Public Reference Section, Washington, D.C. 20549-0102.

The Fund's common shares do not represent a deposit or obligation of, and are not guaranteed or endorsed by, any bank or other insured depository institution and are not federally insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.

The underwriters may also purchase up to an additional common shares at the public offering price, less the sales load, within 45 days from the date of this prospectus to cover over-allotments.


TABLE OF CONTENTS

                                                                          PAGE
                                                                          ----

Prospectus Summary......................................................    1
Summary of Fund Expenses................................................   18
The Fund................................................................   19
Use of Proceeds.........................................................   20
Investment Objective and Principal Investment Strategies................   21
Leverage................................................................   29
Interest Rate Transactions..............................................   31
Risk Factors............................................................   32
Management of the Fund..................................................   41
Dividends and Distributions; Automatic Dividend Reinvestment Plan.......   44
Closed-End Fund Structure...............................................   47
U.S. Federal Income Tax Matters.........................................   48
Net Asset Value.........................................................   50
Description of Shares...................................................   51
Certain Provisions of the Agreement and Declaration of Trust and By-
  Laws..................................................................   53
Underwriting............................................................   54
Custodian, Transfer Agent and Dividend Disbursing Agent.................   59
Legal Opinions..........................................................   59
Table of Contents for Statement of Additional Information...............   60


YOU SHOULD RELY ONLY ON THE INFORMATION CONTAINED OR INCORPORATED BY REFERENCE IN THIS PROSPECTUS. WE HAVE NOT, AND THE UNDERWRITERS HAVE NOT, AUTHORIZED ANY OTHER PERSON TO PROVIDE YOU WITH DIFFERENT INFORMATION. IF ANYONE PROVIDES YOU WITH DIFFERENT OR INCONSISTENT INFORMATION, YOU SHOULD NOT RELY ON IT. WE ARE NOT, AND THE UNDERWRITERS ARE NOT, MAKING AN OFFER TO SELL THESE SECURITIES IN ANY JURISDICTION WHERE THE OFFER OR SALE IS NOT PERMITTED. YOU SHOULD NOT ASSUME THAT THE INFORMATION CONTAINED IN THIS PROSPECTUS IS ACCURATE AS OF ANY DATE OTHER THAN THE DATE ON THE FRONT OF THIS PROSPECTUS. WE WILL ADVISE INVESTORS OF ANY MATERIAL CHANGES TO THE EXTENT REQUIRED BY APPLICABLE LAW.

Until , 2007 (25 days after the date of this prospectus), all dealers that buy, sell or trade the common shares, whether or not participating in this offering, may be required to deliver a prospectus. This is in addition to the dealers' obligation to deliver a prospectus when acting as underwriters and with respect to their unsold allotments or subscriptions.


PROSPECTUS SUMMARY

This is only a summary. This summary may not contain all of the information that you should consider before investing in the Fund's common shares. You should review the more detailed information contained in this prospectus and in the statement of additional information, especially the information set forth under the heading "Risk Factors."

THE FUND....................Calamos Global Dynamic Income Fund is a newly
                            organized, diversified, closed-end management
                            investment company. Throughout the prospectus, we
                            refer to Calamos Global Dynamic Income Fund as the
                            "Fund" or as "we," "us," or "our." See "The Fund."

THE OFFERING................The Fund is offering common shares of beneficial
                            interest ("common shares") at an initial offering
                            price of $15.00 per share. The common shares are
                            being offered by a group of underwriters led by
                            Wachovia Capital Markets, LLC and Citigroup Global
                            Markets Inc. You must purchase at least 100 common
                            shares ($1,500) in order to participate in the
                            offering. The Fund has granted the underwriters the
                            right to purchase up to an additional
                            common shares at the public offering price, less the
                            sales load, within 45 days from the date of this
                            prospectus to cover over-allotments. Calamos has
                            agreed to pay organizational expenses and offering
                            costs (other than sales load) that exceed $0.03 per
                            share. See "Underwriting."

INVESTMENT OBJECTIVE........The Fund's primary investment objective is to
                            generate a high level of current income, with a
                            secondary objective of capital appreciation. There
                            can be no assurance that the Fund will achieve its
                            investment objective. See "Investment Objective and
                            Principal Investment Strategies -- Investment
                            Objective."

INVESTMENT POLICIES.........PRIMARY INVESTMENTS. Under normal circumstances, the
                            Fund will invest primarily in a globally diversified
                            portfolio of convertible securities, common and
                            preferred stocks, and income-producing securities
                            such as investment grade and below investment grade
                            (high yield/high risk) debt securities. The Fund may
                            use other income-producing strategies, including
                            options, swaps and other derivative instruments, for
                            both investment and hedging purposes. The Fund,
                            under normal circumstances, will invest at least 40%
                            of its managed assets in securities of foreign
                            issuers in developed and emerging markets, including
                            debt and equity securities of corporate issuers and
                            debt securities of government issuers. "Managed
                            assets" means the total assets of the Fund
                            (including any assets attributable to any leverage
                            that may be outstanding) minus the sum of accrued
                            liabilities (other than debt representing financial
                            leverage). For this purpose the liquidation
                            preference on any preferred shares will not
                            constitute a liability.

                            The Fund seeks to maintain a balanced approach to
                            geographic portfolio diversification. The Fund may
                            invest up to 100% of its managed assets in
                            securities of foreign issuers, including debt and
                            equity securities of corporate issuers and debt
                            securities of government issuers, in developed and
                            emerging markets.

                            The Fund will use a number of investment strategies
                            to achieve its objective and expects to invest in a
                            wide variety of financial

                                        1

                            instruments. These instruments include global
                            convertible, as well as "synthetic" convertible
                            instruments. The Fund will also invest in global
                            equities or equity-linked securities with high
                            income potential. From time to time, the Fund
                            expects to invest in Rule 144A securities, foreign
                            exchange contracts or securities with imbedded
                            foreign exchange hedges, and high yield bonds of
                            companies rated BB or lower.

                            Initially, and depending on market conditions and
                            prevailing economic trends, the Fund intends to
                            allocate its assets in the following manner: 50% of
                            managed assets in equity securities; 25% of managed
                            assets in fixed income securities (including debt
                            and high yield securities); and 25% of managed
                            assets in alternative strategies (including
                            convertible hedging and swaps and related swap
                            products). The Fund does not seek to maintain any
                            target allocation among asset classes and, at any
                            time, its allocation among asset classes and
                            strategies may vary significantly from the initial
                            allocation.

                            FOREIGN ISSUERS. The Fund may invest up to 100% of
                            its managed assets in securities of foreign issuers
                            in developed and emerging markets, including debt
                            and equity securities of corporate issuers and debt
                            securities of government issuers. A foreign issuer
                            is a foreign government or a company organized under
                            the laws of a foreign country. See "Investment
                            Objective and Principal Investment
                            Strategies -- Principal Investment
                            Strategies -- Foreign Securities."

                            CONVERTIBLE SECURITIES. The Fund may invest in
                            convertible securities. A convertible security is a
                            debt security or preferred stock that is
                            exchangeable for an equity security (typically of
                            the same issuer) at a predetermined price (the
                            "conversion price"). Depending upon the relationship
                            of the conversion price to the market value of the
                            underlying security, a convertible security may
                            trade more like an equity security than a debt
                            instrument. See "Investment Objective and Principal
                            Investment Strategies -- Principal Investment
                            Strategies -- Convertible Securities."

                            SYNTHETIC CONVERTIBLE SECURITIES. The Fund may
                            invest in "synthetic" convertible securities. A
                            synthetic convertible security is a financial
                            instrument that is designed to simulate the
                            characteristics of another instrument (i.e., a
                            convertible security) through the combined features
                            of a collection of other securities or assets.
                            Calamos may create a synthetic convertible security
                            by combining separate securities that possess the
                            two principal characteristics of a true convertible
                            security, i.e., a fixed-income security ("fixed-
                            income component", which may be a convertible or
                            non-convertible security) and the right to acquire
                            an equity security ("convertible component"). The
                            fixed-income component is achieved by investing in
                            non-convertible, fixed-income securities such as
                            bonds, preferred stocks and money market
                            instruments. The convertible component is achieved
                            by investing in warrants or options to buy common
                            stock at a certain exercise price, or options on a
                            stock index.


                            The Fund may also invest in synthetic convertible
                            securities created by third parties, typically
                            investment banks. Synthetic

2

convertible securities created by such parties may be designed to simulate the characteristics of traditional convertible securities or may be designed to alter or emphasize a particular feature. Traditional convertible securities typically offer stable cash flows with the ability to participate in capital appreciation of the underlying common stock. Because traditional convertible securities are exercisable at the option of the holder, the holder is protected against downside risk. Synthetic convertible securities may alter these characteristics by offering enhanced yields in exchange for reduced capital appreciation or less downside protection, or any combination of these features. Synthetic convertible instruments may include structured notes, equity-linked notes, mandatory convertibles and combinations of securities and instruments, such as a debt instrument combined with a forward contract. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Synthetic Convertible Securities."

CONVERTIBLE HEDGING. The Fund may enhance income and protect against market risk by hedging a portion of the equity risk inherent in the convertible securities purchased for the Fund. This hedging is achieved by selling short some or all of the common stock issuable upon exercise of the convertible security. If the market price of the common stock increases above the conversion price on the convertible security, the price of the convertible security will increase. The Fund's increased liability on the short position would, in whole or in part, reduce this gain. If the price of the common stock declines, any decline in the price of the convertible security would offset, in whole or in part, the Fund's gain on the short position. The Fund profits from this strategy by receiving interest and/or dividends on the convertible security and by adjusting the amount of equity risk that is hedged by short sales. In determining the appropriate portion of the Fund's equity exposure to hedge, Calamos may consider the general outlook for interest rates and equity markets, the availability of stock to sell short and expected returns and volatility. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Short Sales."

HIGH YIELD SECURITIES. The Fund may invest in high yield securities for either current income or capital appreciation or both. These securities are rated Ba or lower by Moody's or BB or lower by Standard & Poor's or are unrated securities of comparable quality as determined by Calamos, the Fund's investment adviser. The Fund may not invest in debt securities rated lower than C. Non- convertible debt securities rated below investment grade are commonly referred to as "junk bonds" and are considered speculative with respect to the issuer's capacity to pay interest and repay principal. They involve greater risk of loss, are subject to greater price volatility and are less liquid, especially during periods of economic uncertainty or change, than higher rated securities. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- High Yield Securities."

3

OPTIONS. The Fund may also seek to generate income from option premiums by writing (selling) options. The Fund may write (sell) call options (i) on a portion of the equity securities (including securities that are convertible into equity securities) in the Fund's portfolio and (ii) on broad-based securities indices (such as the S&P 500 or MSCI EAFE) or certain ETFs (exchange-traded funds) that trade like common stocks but seek to replicate such market indices. The Fund may purchase put or call options on stocks, indices, rates, credit spreads or currencies. The Fund may also sell call or put options on single stocks, credits or indices for hedging purposes. As the Fund writes covered calls over more of its portfolio, its ability to benefit from capital appreciation becomes more limited and the risk of net asset value erosion increases. If the Fund experiences net asset value erosion, which itself may have an indirect negative effect on the market price of the Fund's shares, the Fund will have a reduced asset base over which to write covered calls, which may eventually lead to reduced distributions to shareholders. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Options."

EQUITY SECURITIES. Equity securities include common and preferred stocks, warrants, rights, and depository receipts. An investment in the equity securities of a company represents a proportionate ownership interest in that company. Therefore, the Fund participates in the financial success or failure of any company in which it has an equity interest. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Equity Securities."

SHORT SALES. The Fund may engage in short sales of securities. When the Fund takes a short position, it sells at the current market price a stock that it does not own and has borrowed in anticipation of a decline in the value of the stock. To complete, or close out, the short sale transaction, the Fund buys the same security in the market and returns it to the lender. The Fund makes money if the market price of the borrowed security goes down and the Fund is able to replace the security for less than it earned by selling short. The Fund loses money if the stock price goes up after the short sale and before the position is closed out. The Fund will enter into short sales only with respect to common stock that it owns or that is issuable upon conversion of convertible securities held by the Fund. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Short Sales."

SWAPS AND RELATED SWAP PRODUCTS. The Fund may engage in various swap transactions. Swap agreements are two party contracts entered into primarily by institutional investors for periods ranging typically from three to ten years, although shorter or longer periods do exist. Swap transactions will be based on financial assets including interest rates, currencies, securities indices, securities baskets, specific securities, fixed income sectors, commodity swaps, asset-backed swaps, interest rate caps, floors and collars and options on interest rate swaps (collectively defined as "swap transactions").

4

The Fund may enter into swap transactions for any legal purpose consistent with its investment objective and policies, such as for the purpose of attempting to obtain or preserve a particular return or spread at a lower cost than obtaining that return or spread through purchases and/or sales of instruments in cash markets, to protect against currency fluctuations, to protect against any increase in the price of securities the Fund anticipates purchasing at a later date, or to gain exposure to certain markets in the most economical way possible. The Fund intends to use swaps to a significant degree, subject to the asset coverage requirements of the Investment Company Act of 1940, as amended (the"1940 Act"), and the Internal Revenue Code of 1986, as amended. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Swap and Related Swap Products."

CREDIT DEFAULT SWAPS. The Fund may also engage in credit default swap transactions. In the case of a credit default swap ("CDS"), the contract gives one party (the buyer) the right to recoup the economic value of a decline in the value of debt securities of the reference issuer if the credit event (including default or restructuring) occurs. This value is obtained by delivering a debt security of the reference issuer to the party in return for a previously agreed payment from the other party (frequently, the par value of the debt security) or by cash settlement of the transaction. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies -- Credit Default Swaps."

The Fund may also enter into contracts based on baskets or indices of securities ("CDX"). Credit default swaps may require initial premium (discount) payments as well as periodic payments (receipts) related to the interest leg of the swap or to the default of a reference obligation.

OTHER SECURITIES. The Fund may invest in other securities of various types to the extent consistent with its investment objectives. Normally, the Fund invests substantially all of its assets to meet its investment objective. For temporary defensive purposes, the Fund may depart from its principal investment strategies and invest part or all of its assets in securities with remaining maturities of less than one year or cash equivalents, or may hold cash. During such periods, the Fund may not be able to achieve its investment objective. See "Investment Objective and Principal Investment Strategies -- Principal Investment Strategies."

USE OF LEVERAGE BY THE

FUND........................The Fund may, but is not required to, use leverage
                            by issuing preferred shares, borrowing money or
                            issuing debt securities. The Fund currently
                            anticipates that it will issue cumulative preferred
                            shares, as soon as practicable after the closing of
                            this offering, with an aggregate liquidation
                            preference of up to approximately 33% of the Fund's
                            total assets immediately after issuance. As a non-
                            fundamental policy, the aggregate liquidation
                            preference of preferred shares and principal amount
                            of borrowings and debt securities may not exceed 38%
                            of the Fund's total assets. However, the Fund
                            reserves the right to issue preferred shares, borrow
                            or issue debt securities to the extent permitted by
                            the 1940 Act (50% of total

5

                            assets for preferred shares and 33 1/3% of total
                            assets for borrowing and debt securities). See
                            "Leverage."

                            The Fund may not be leveraged at all times and the
                            amount of leverage, if any, may vary depending upon
                            a variety of factors, including Calamos' outlook for
                            the market and the costs that the Fund would incur
                            as a result of such leverage. Leverage involves
                            greater risks. The Fund's leveraging strategy may
                            not be successful. By leveraging its investment
                            portfolio, the Fund creates an opportunity for
                            increased net income or capital appreciation.
                            However, the use of leverage also involves risks,
                            which can be significant. See "Leverage" and "Risk
                            Factors -- Leverage."

INTEREST RATE TRANSACTIONS..In order to seek to reduce the interest rate risk
                            inherent in the Fund's underlying investments and
                            capital structure, the Fund, if market conditions
                            are deemed favorable, likely will enter into
                            interest rate swap or cap transactions to attempt to
                            protect itself from increasing dividend or interest
                            expenses on its leverage. The use of interest rate
                            swaps and caps is a highly specialized activity that
                            involves investment techniques and risks different
                            from those associated with ordinary portfolio
                            security transactions.

                            In an interest rate swap, the Fund would agree to
                            pay to the other party to the interest rate swap
                            (which is known as the "counterparty") a fixed rate
                            payment in exchange for the counterparty agreeing to
                            pay to the Fund a payment at a variable rate that is
                            expected to approximate the rate on any variable
                            rate payment obligation on the Fund's leverage. The
                            payment obligations would be based on the notional
                            amount of the swap.

                            In an interest rate cap, the Fund would pay a
                            premium to the counterparty to the interest rate cap
                            and, to the extent that a specified variable rate
                            index exceeds a predetermined fixed rate, would
                            receive from the counterparty payments of the
                            difference based on the notional amount of such cap.
                            Depending on the state of interest rates in general,
                            the Fund's use of interest rate swap or cap
                            transactions could enhance or harm the overall
                            performance of the common shares. See "Interest Rate
                            Transactions."

INVESTMENT ADVISER..........Calamos is the Fund's investment adviser. Calamos is
                            responsible on a day-to-day basis for investment of
                            the Fund's portfolio in accordance with its
                            investment objective and policies. Calamos makes all
                            investment decisions for the Fund and places
                            purchase and sale orders for the Fund's portfolio
                            securities. As of April 30, 2007, Calamos managed
                            approximately $43.0 billion in assets of individuals
                            and institutions. Calamos is a wholly-owned
                            subsidiary of Calamos Holdings LLC ("Holdings") and
                            an indirect subsidiary of Calamos Asset Management,
                            Inc., a publicly traded holding company.

                            The Fund pays Calamos an annual fee, payable
                            monthly, for its investment management services
                            equal to 1.00% of the Fund's average weekly managed
                            assets. "Managed assets" means the total assets of
                            the Fund (including any assets attributable to any
                            leverage that may be outstanding) minus the sum of
                            accrued liabilities

                                        6

                            (other than debt representing financial leverage).
                            See "Management of the Fund."

PORTFOLIO MANAGER...........Calamos employs a team approach to portfolio
                            management, with teams led by the Co-Chief
                            Investment Officers (the "Co-CIOs") and comprised
                            generally of the Co-CIOs, senior strategy analysts,
                            intermediate analysts and junior analysts. The Co-
                            CIOs and senior strategy analysts are supported by
                            and lead a team of investment professionals whose
                            valuable contributions create a synergy of expertise
                            that can be applied across many different investment
                            strategies.

                            Portfolio holdings are reviewed and trading activity
                            is discussed on a regular basis by team members.
                            Team members generally may make trading decisions
                            guided by the Fund's investment objective and
                            strategy.

LISTING.....................The common shares have been authorized for listing
                            on the New York Stock Exchange under the symbol
                            "CHW," subject to official notice of issuance.

CUSTODIAN, TRANSFER AGENT
AND DIVIDEND DISBURSING

AGENT.......................The Bank of New York will serve as the Fund's
                            custodian, transfer agent and dividend disbursing
                            agent. See "Custodian, Transfer Agent and Dividend
                            Disbursing Agent."

FUND ACCOUNTANT.............State Street Bank and Trust Company ("State Street")
                            will provide fund accounting and financial
                            accounting services to the Fund.

MARKET PRICE OF COMMON
SHARES......................Common shares of closed-end investment companies
                            frequently trade at prices lower than their net
                            asset value. The Fund's net asset value will be
                            reduced immediately following this offering by the
                            sales load and the amount of the organization and
                            offering expenses paid by the Fund. See "Use of
                            Proceeds." In addition to net asset value, the
                            market price of the Fund's common shares may be
                            affected by such factors as the Fund's use of
                            leverage, dividend stability, portfolio credit
                            quality, liquidity, market supply and demand and the
                            Fund's dividends paid (which are, in turn, affected
                            by expenses), call protection for portfolio
                            securities and interest rate movements. See
                            "Leverage," "Risk Factors" and "Description of
                            Shares." The Fund's common shares are designed
                            primarily for long-term investors, and you should
                            not purchase common shares if you intend to sell
                            them shortly after purchase.

DIVIDENDS AND
DISTRIBUTIONS...............The Fund currently seeks to make monthly
                            distributions to common shareholders at a level rate
                            established by the Board of Trustees. The rate may
                            be modified by the Board of Trustees from time to
                            time. Monthly distributions may include net
                            investment income, net realized short-term capital
                            gain and, if necessary, return of capital. The Fund
                            may at times in its discretion pay out less than the
                            entire amount of net investment income earned in any
                            particular period and may at times pay out such
                            accumulated undistributed income in addition to net
                            investment income earned in other periods in order
                            to permit the Fund to maintain a more stable level
                            of distributions. As a result, the dividends paid by
                            the Fund to holders of common shares for any
                            particular period may be more or

                                        7

                            less than the amount of net investment income earned
                            by the Fund during such period. Net realized short-
                            term capital gain distributed to shareholders will
                            be taxed as ordinary income. In addition, at least
                            one distribution per calendar year may include net
                            realized long-term capital gain (if any), which will
                            be taxed for federal income tax purposes at long-
                            term capital gain rates. To the extent the Fund
                            distributes an amount in excess of the Fund's
                            current and accumulated earnings and profits, if
                            any, such excess will be treated by a shareholder
                            for federal income tax purposes as a tax-free return
                            of capital to the extent of the shareholder's
                            adjusted tax basis in his, her or its shares and
                            thereafter as a gain from the sale or exchange of
                            such shares. There is no guarantee that the Fund
                            will realize capital gain in any given year.
                            Pursuant to requirements of the 1940 Act and other
                            applicable laws, a notice would accompany each
                            monthly distribution with respect to the estimated
                            source of the distribution made. Distributions are
                            subject to re-characterization for federal income
                            tax purposes after the end of the fiscal year.


                            In January 2004, Calamos, on behalf of itself and
                            certain funds that it manages, filed an exemptive
                            application with the Commission seeking an order
                            under the 1940 Act facilitating the implementation
                            of a dividend policy calling for monthly
                            distributions of a fixed percentage of its net asset
                            value ("Managed Dividend Policy"). In March 2007, an
                            amended and restated exemptive application was filed
                            with the Commission. If, and when, Calamos, on
                            behalf of itself and other parties, receives the
                            requested relief, the Fund may, subject to the
                            determination of its Board of Trustees, implement a
                            Managed Dividend Policy. Under a Managed Dividend
                            Policy, if, for any distribution, net investment
                            income and net realized capital gains were less than
                            the amount of the distribution, the differences
                            would be distributed from the Fund's other assets.
                            There can be no assurance that the Fund will receive
                            the requested relief.

Pursuant to the Fund's Automatic Dividend Reinvestment Plan, unless a shareholder is ineligible or elects otherwise, all dividends and capital gains distributions on common shares are automatically reinvested in additional common shares of the Fund. However, an investor can choose to receive dividends and distributions in cash. Since not all investors can participate in the Automatic Dividend Reinvestment Plan, you should contact your broker or nominee to confirm that you are eligible to participate in the plan. See "Dividends and Distributions; Automatic Dividend Reinvestment Plan."

RISKS.......................GENERAL. The Fund is a newly organized, diversified,
                            closed-end management investment company designed
                            primarily as a long-term investment and not as a
                            trading tool. The Fund invests in a globally
                            diversified portfolio of common and preferred stocks
                            and income-producing securities such as investment
                            grade and below investment grade debt securities. An
                            investment in the Fund's common shares may be
                            speculative and it involves a high degree of risk.
                            The Fund should not constitute a complete investment
                            program. Due to the uncertainty in all investments,
                            there can be no assurance that the Fund will achieve
                            its investment objective.

8

NO OPERATING HISTORY. The Fund has no operating history or history of public trading. See "Risk Factors -- No Operating History."

MARKET PRICE OF SHARES. Shares of closed-end funds frequently trade at a market price that is below their net asset value. This is commonly referred to as "trading at a discount." This characteristic of shares of closed-end funds is a risk separate and distinct from the risk that the Fund's net asset value may decrease. Investors who sell their shares within a relatively short period after completion of the public offering are likely to be exposed to this risk. Accordingly, the Fund is designed primarily for long-term investors and should not be considered a vehicle for trading purposes. Following the offering, net asset value will be reduced by the sales load and the amount of organizational and offering expenses paid by the Fund. Immediately following any offering of preferred shares, net asset value will be reduced by the costs of that offering paid by the Fund. See "Risk Factors -- Market Price of Shares."

FOREIGN SECURITIES RISK. Investments in non-U.S. issuers may involve unique risks compared to investing in securities of U.S. issuers. These risks are more pronounced to the extent that the Fund invests a significant portion of its non-U.S. investments in one region or in the securities of emerging market issuers. These risks may include:

- less information about non-U.S. issuers or markets may be available due to less rigorous disclosure or accounting standards or regulatory practices;

- many non-U.S. markets are smaller, less liquid and more volatile. In a changing market, Calamos may not be able to sell the Fund's portfolio securities at times, in amounts and at prices it considers reasonable;

- an adverse effect of currency exchange rates or controls on the value of the Fund's investments;

- the economies of non-U.S. countries may grow at slower rates than expected or may experience a downturn or recession;

- economic, political and social developments may adversely affect the securities markets, including expropriation and nationalization;

- the difficulty in obtaining or enforcing a court judgment in non-U.S. countries;

- restrictions on foreign investments in non-U.S. jurisdictions;

- difficulties in effecting the repatriation of capital invested in non-U.S. countries; and

- withholding and other non-U.S. taxes may decrease the Fund's return.

See "Risk Factors -- Foreign Securities Risk."

CURRENCY RISK. The value of the securities denominated or quoted in foreign currencies may be adversely affected by fluctuations in

9

the relative currency exchange rates and by exchange control regulations. The Fund's investment performance may be negatively affected by a devaluation of a currency in which the Fund's investments are denominated or quoted. See "Risk Factors -- Currency Risk."

CONVERTIBLE SECURITIES RISK. The value of a convertible security is influenced by both the yield of non-convertible securities of comparable issuers and by the value of the underlying common stock. The value of a convertible security viewed without regard to its conversion feature (i.e., strictly on the basis of its yield) is sometimes referred to as its "investment value." A convertible security's investment value tends to decline as prevailing interest rate levels increase. Conversely, a convertible security's investment value increases as prevailing interest rate levels decline.

However, the convertible's market value tends to reflect the market price of the common stock of the issuing company when that stock price is greater than the convertible's "conversion price." The conversion price is defined as the predetermined price at which the convertible could be exchanged for the associated stock. As the market price of the underlying common stock declines, the price of the convertible security tends to be influenced more by the yield of the convertible security. Thus, the convertible security may not decline in price to the same extent as the underlying common stock. In the event of a liquidation of the issuing company, holders of convertible securities would be paid before the company's common stockholders. Consequently, the issuer's convertible securities generally entail less risk than its common stock.

See "Risk Factors -- Convertible Securities Risk."

SYNTHETIC CONVERTIBLE SECURITIES RISK. The value of a synthetic convertible security may respond differently to market fluctuations than a convertible security because a synthetic convertible is composed of two or more separate securities or instruments, each with its own market value. In addition, if the value of the underlying common stock or the level of the index involved in the convertible component falls below the exercise price of the warrant or option, the warrant or option may lose all value. See "Risk Factors -- Synthetic Convertible Securities Risk."

CONVERTIBLE HEDGING/SHORT SALES RISK. The Fund may incur a loss (without limit) as a result of a short sale if the market value of the borrowed security increases between the date of the short sale and the date the Fund replaces the security. The Fund may be unable to repurchase the borrowed security at a particular time or at an acceptable price. If the market price of the common stock issuable upon exercise of a convertible security increases above the conversion price on the convertible security, the price of the convertible security will increase. The Fund's increased liability on the short position would, in whole or in part, reduce this gain. If the price of the common stock declines, any decline in the price of the convertible security would offset, in whole or in part, the Fund's gain on the short position. The use of short sales could increase the Fund's exposure to the market, magnify losses and increase the

10

volatility of returns. See "Risk Factors -- Convertible Hedging/Short Sales Risk."

LEVERAGE RISK. Leverage creates risks which may adversely affect the return for the holders of common shares, including:

- the likelihood of greater volatility of net asset value and market price of the Fund's common shares;

- fluctuations in the dividend rates on any preferred shares or in interest rates on borrowings and short-term debt;

- increased operating costs, which are effectively borne by common shareholders, may reduce the Fund's total return; and

- the potential for a decline in the value of an investment acquired with borrowed funds, while the Fund's obligations under such borrowing remain fixed.

These risks include the possibility that the value of the assets acquired with the proceeds of leverage decreases although the Fund's liability to holders of preferred shares or other types of leverage is fixed, greater volatility in the Fund's net asset value and the market price of the Fund's common shares, and higher expenses. In addition, the rights of lenders and the holders of preferred shares and debt securities issued by the Fund will be senior to the rights of the holders of common shares with respect to the payment of dividends or upon liquidation. Holders of preferred shares will have voting rights in addition to and separate from the voting rights of common shareholders. See "Description of Shares -- Preferred Shares" and "Certain Provisions of the Agreement and Declaration of Trust and By-Laws." The holders of preferred shares, on the one hand, and the holders of the common shares, on the other, may have interests that conflict in certain situations.

Leverage is a speculative technique that could adversely affect the returns to common shareholders. Leverage can cause the Fund to lose money and can magnify the effect of any losses. To the extent the income or capital appreciation derived from securities purchased with funds received from leverage exceeds the cost of leverage, the Fund's return will be greater than if leverage had not been used. Conversely, if the income or capital appreciation from the securities purchased with such funds is not sufficient to cover the cost of leverage or if the Fund incurs capital losses, the return of the Fund will be less than if leverage had not been used, and therefore the amount available for distribution to common shareholders as dividends and other distributions will be reduced or potentially eliminated.

The Fund will pay, and common shareholders will effectively bear, any costs and expenses relating to any borrowings and to the issuance and ongoing maintenance of preferred shares. Such costs and expenses include the higher management fee resulting from the use of any such leverage, offering and/or issuance costs, and interest and/or dividend expense and ongoing maintenance.

Certain types of borrowings may result in the Fund being subject to covenants in credit agreements, including those relating to asset

11

coverage, borrowing base and portfolio composition requirements and additional covenants that may affect the Fund's ability to pay dividends and distributions on common shares in certain instances and may affect the Fund's implementation of its investment strategy. The Fund may also be required to pledge its assets to the lenders in connection with certain types of borrowings. The Fund may be subject to certain restrictions on investments imposed by guidelines of one or more nationally recognized statistical rating organizations ("NRSROs") which may issue ratings for the preferred shares or short-term debt instruments issued by the Fund. These guidelines may impose asset coverage or portfolio composition requirements that are more stringent than those imposed by the 1940 Act. See "Risk Factors -- Leverage Risk."

HIGH-YIELD SECURITIES RISK. The Fund may invest without limit in high yield securities for either current income or capital appreciation or both. Investment in high yield securities involves substantial risk of loss. Below investment grade non-convertible debt securities or comparable unrated securities are commonly referred to as "junk bonds" and are considered predominantly speculative with respect to the issuer's ability to pay interest and principal and are susceptible to default or decline in market value due to adverse economic and business developments. The market values for high yield securities tend to be very volatile, and those securities are less liquid than investment grade debt securities. For these reasons, your investment in the Fund is subject to the following specific risks:

- increased price sensitivity to changing interest rates and to a deteriorating economic environment;

- greater risk of loss due to default or declining credit quality;

- adverse company specific events are more likely to render the issuer unable to make interest and/or principal payments; and

- if a negative perception of the high yield market develops, the price and liquidity of high yield securities may be depressed. This negative perception could last for a significant period of time.

Adverse changes in economic conditions are more likely to lead to a weakened capacity of a high yield issuer to make principal payments and interest payments than of an investment grade issuer. The principal amount of high yield securities outstanding has proliferated in the past decade as an increasing number of issuers have used high yield securities for corporate financing. An economic downturn could severely affect the ability of highly leveraged issuers to service their debt obligations or to repay their obligations upon maturity.

The secondary market for high yield securities may not be as liquid as the secondary market for more highly rated securities, a factor which may have an adverse effect on the Fund's ability to dispose of a particular security. There are fewer dealers in the market for high yield securities than for investment grade obligations. The prices quoted by different dealers may vary significantly and the spread between the bid and asked price is generally much

12

larger than for higher quality instruments. Under adverse market or economic conditions, the secondary market for high yield securities could contract further, independent of any specific adverse changes in the condition of a particular issuer, and these instruments may become illiquid. As a result, the Fund could find it more difficult to sell those securities or may be able to sell the securities only at prices lower than if such securities were widely traded. Prices realized upon the sale of such lower rated or unrated securities, under those circumstances, may be less than the prices used in calculating the Fund's net asset value. See "Risk Factors -- High Yield Securities Risk."

RISKS ASSOCIATED WITH OPTIONS. There are several risks associated with transactions in options. For example, there are significant differences between the securities markets, the currency markets and the options markets that could result in an imperfect correlation among these markets, causing a given transaction not to achieve its objectives. A decision as to whether, when and how to use options involves the exercise of skill and judgment, and even a well-conceived transaction may be unsuccessful to some degree because of market behavior or unexpected events. The ability of the Fund to utilize options successfully will depend on Calamos' ability to predict pertinent market investments, which cannot be assured.

The Fund's ability to close out its position as a purchaser or seller of an Options Clearing Corporation ("OCC") or exchange listed put or call option is dependent, in part, upon the liquidity of the option market. Among the possible reasons for the absence of a liquid option market on an exchange are: (i) insufficient trading interest in certain options; (ii) restrictions on transactions imposed by an exchange; (iii) trading halts, suspensions or other restrictions imposed with respect to particular classes or series of options or underlying securities, including reaching daily price limits; (iv) interruption of the normal operations of the OCC or an exchange; (v) inadequacy of the facilities of an exchange or the OCC to handle current trading volume; or (vi) a decision by one or more exchanges to discontinue the trading of options (or a particular class or series of options), in which event the relevant market for that option on that exchange would cease to exist, although outstanding options on that exchange would generally continue to be exercisable in accordance with their terms. If the Fund were unable to close out an option that it has purchased on a security, it would have to exercise the option in order to realize any profit or the option would expire and become worthless. If the Fund were unable to close out a covered call option that it had written on a security, it would not be able to sell the underlying security until the option expired. As the writer of a covered call option on a security, the Fund foregoes, during the option's life, the opportunity to profit from increases in the market value of the security covering the call option above the sum of the premium and the exercise price of the call. As the writer of a covered call option on a foreign currency, the Fund foregoes, during the option's life, the opportunity to profit from currency appreciation.

13

The hours of trading for listed options may not coincide with the hours during which the underlying financial instruments are traded. To the extent that the option markets close before the markets for the underlying financial instruments, significant price and rate movements can take place in the underlying markets that would not have been reflected in the option markets at their closing.

Unless the parties provide for it, there is no central clearing or guaranty function in an over-the counter ("OTC") option. As a result, if the counterparty in an OTC transaction fails to make or take delivery of the security, currency or other instrument underlying an OTC option it has entered into with the Fund or fails to make a cash settlement payment due in accordance with the terms of that option, the Fund will lose any premium it paid for the option as well as any anticipated benefit of the transaction. Accordingly, Calamos must assess the creditworthiness of each such counterparty or any guarantor or credit enhancement of the counterparty's credit to determine the likelihood that the terms of the OTC option will be satisfied. The Fund will engage in OTC option transactions only with U.S. government securities dealers recognized by the Federal Reserve Bank of New York as "primary dealers" or broker/dealers, domestic or foreign banks or other financial institutions which have received (or the guarantors of the obligation of which have received) a short- term credit rating of A-1 from Standard & Poors or P-1 from Moody's or an equivalent rating from any NRSRO or, in the case of OTC currency transactions, are determined to be of equivalent credit quality by Calamos.

The Fund may purchase and sell call options on securities indices and currencies. All calls sold by the Fund must be "covered." Even though the Fund will receive the option premium to help protect it against loss, a call sold by the Fund exposes the Fund during the term of the option to possible loss of opportunity to realize appreciation in the market price of the underlying security or instrument and may require the Fund to hold a security or instrument which it might otherwise have sold. The Fund may purchase and sell put options on securities indices and currencies. In selling put options, there is a risk that the Fund may be required to buy the underlying security at a disadvantageous price above the market price. See "Risk Factors -- Options Risk."

EQUITY SECURITIES RISK. Equity investments are subject to greater fluctuations in market value than many other asset classes as a result of such factors as the issuer's business performance, investor perceptions, stock market trends and general economic conditions. Equity securities are subordinated to bonds and other debt instruments in a company's capital structure in terms of priority to corporate income and liquidation payments. See "Risk Factors -- Equity Securities Risk."

SWAPS AND RELATED SWAP PRODUCTS RISK. The use of swap transactions, caps, floors and collars involves investment techniques and risks that are different from those associated with portfolio security transactions. If Calamos is incorrect in its forecasts of market values, interest rates, and other applicable factors, the investment

14

performance of the Fund will be less favorable than if those techniques had not been used. These instruments are typically not traded on exchanges. Accordingly, there is a risk that the other party to certain of those instruments will not perform its obligations to the Fund or that the Fund may be unable to enter into offsetting positions to terminate its exposure or liquidate its position under certain of these instruments when it wishes to do so.

Such occurrences could result in losses to the Fund. The amount of the Fund's potential gain or loss on any swap transaction is not subject to any fixed limit. Calamos will consider such risks and will enter into swap and other derivatives transactions only when it believes that the risks are not unreasonable. The Fund will earmark and reserve the Fund assets, in cash or liquid securities, in an amount sufficient at all times to cover its current obligations under its swap transactions, caps, floors and collars. If the Fund enters into a swap agreement on a net basis, it will earmark and reserve assets with a daily value at least equal to the excess, if any, of the Fund's accrued obligations under the swap agreement over the accrued amount the Fund is entitled to receive under the agreement. If the Fund enters into a swap agreement on other than a net basis, or sells a cap, floor or collar, it will earmark and reserve assets with a daily value at least equal to the full amount of the Fund's accrued obligations under the agreement. The Fund will not enter into any swap transaction, cap, floor, or collar, unless the counterparty to the transaction is deemed creditworthy by Calamos. If a counterparty defaults, the Fund may have contractual remedies pursuant to the agreements related to the transaction. The swap markets in which many types of swap transactions are traded have grown substantially in recent years, with a large number of banks and investment banking firms acting both as principals and as agents utilizing standardized swap documentation. As a result, the markets for certain types of swaps (e.g., interest rate swaps) have become relatively liquid. The markets for some types of caps, floors and collars are less liquid.

During the term of a swap, cap, floor or collar, changes in the value of the instrument are recognized as unrealized gains or losses by marking to market to reflect the market value of the instrument. When the instrument is terminated, the Fund will record a realized gain or loss equal to the difference, if any, between the proceeds from (or cost of) the closing transaction and the Fund's basis in the contract. The federal income tax treatment with respect to swap transactions, caps, floors, and collars may impose limitations on the extent to which the Fund may engage in such transactions. See "Risk Factors -- Swaps and Related Swap Products."

CREDIT DEFAULT SWAPS RISK. The use of CDSs, like all swap agreements, is subject to certain risks. If a counterparty's creditworthiness declines, the value of the swap would likely decline. Moreover, there is no guarantee that the Fund could eliminate its exposure under an outstanding swap agreement by entering into an offsetting swap agreement with the same or another party. See "Risk Factors -- Credit Default Swaps Risk."

15

INTEREST RATE RISK. Debt securities, including high yield securities, are subject to certain risks, including:

- if interest rates go up, the value of debt securities in the Fund's portfolio generally will decline;

- during periods of declining interest rates, the issuer of a security may exercise its option to prepay principal earlier than scheduled, forcing the Fund to reinvest in lower yielding securities. This is known as call or prepayment risk. Debt securities frequently have call features that allow the issuer to repurchase the securities prior to their stated maturity. An issuer may redeem an obligation if the issuer can refinance the debt at a lower cost due to declining interest rates or an improvement in the credit standing of the issuer;

- during periods of rising interest rates, the average life of certain types of securities may be extended because of slower than expected principal payments. This may lock in a below market interest rate, increase the security's duration (the estimated period until the security is paid in full) and reduce the value of the security. This is known as extension risk; and

- market interest rates currently are at historically low levels. See "Risk Factors -- Interest Rate Risk."

DEFAULT RISK. Default risk refers to the risk that a company who issues a debt security will be unable to fulfill its obligations to repay principal and interest. The lower a debt security is rated, the greater the default risk. See "Risk Factors -- Default Risk."

ILLIQUID INVESTMENTS RISK. Illiquid securities may be difficult to dispose of at a fair price at the times when the Fund believes it is desirable to do so. Investment of the Fund's assets in illiquid securities may restrict the Fund's ability to take advantage of market opportunities. The risks associated with illiquid securities may be particularly acute in situations in which the Fund's operations require cash and could result in the Fund borrowing to meet its short-term needs or incurring losses on the sale of illiquid securities. See "Risk Factors -- Liquidity Risk."

INTEREST RATE TRANSACTIONS RISK. The Fund may enter into an interest rate swap or cap transaction to attempt to protect itself from increasing dividend or interest expenses on its leverage resulting from increasing short-term interest rates. A decline in interest rates may result in a decline in the value of the swap or cap, which may result in a decline in the net asset value of the Fund. See "Risk Factors -- Interest Rate Transactions Risk."

TAX RISK. The Fund may invest in certain securities, such as certain convertible securities, for which the federal income tax treatment may not be clear or may be subject to re-characterization by the Internal Revenue Service. It could be more difficult for the Fund to comply with the tax requirements applicable to regulated investment companies if the tax characterization of the Fund's investments or the tax treatment of the income from such

16

investments were successfully challenged by the Internal Revenue Service. See "U.S. Federal Income Tax Matters."

MANAGEMENT RISK. Calamos' judgment about the attractiveness, relative value or potential appreciation of a particular sector, security or investment strategy may prove to be incorrect. See "Risk Factors -- Management Risk."

ANTITAKEOVER PROVISIONS. The Fund's Agreement and Declaration of Trust and By-laws include provisions that could limit the ability of other entities or persons to acquire control of the Fund or to change the composition of its Board of Trustees. Such provisions could limit the ability of shareholders to sell their shares at a premium over prevailing market prices by discouraging a third party from seeking to obtain control of the Fund. These provisions include staggered terms of office for the Trustees, advance notice requirements for shareholder proposals, and super-majority voting requirements for certain transactions with affiliates, converting the Fund to an open-end investment company or a merger, asset sale or similar transaction. Holders of preferred shares will have voting rights in addition to and separate from the voting rights of common shareholders with respect to certain of these matters. See "Description of Shares -- Preferred Shares" and "Certain Provisions of the Agreement and Declaration of Trust and By-Laws." The holders of preferred shares, on the one hand, and the holders of the common shares, on the other, may have interests that conflict in these situations. See "Risk Factors -- Antitakeover Provisions."

MARKET DISRUPTION RISK. Certain events have a disruptive effect on the securities markets, such as terrorist attacks, war and other geopolitical events, earthquakes, storms and other disasters. The Fund cannot predict the effects of similar events in the future on the U.S. economy or any foreign economy. See "Risk Factors -- Market Disruption Risk."

17

SUMMARY OF FUND EXPENSES

The following table shows the Fund's expenses as a percentage of net assets attributable to common shares assuming the Fund issues preferred shares in an amount equal to 33% of the Fund's total assets immediately after issuance.

SHAREHOLDER TRANSACTION FEES:

Sales Load (as a percentage of offering price).........................  4.50%
Offering Expenses of the Common Shares borne by the Fund (as a
  percentage of offering price)(1)(2)..................................  0.11%
Offering Expenses of the Preferred Shares expected to be borne by the
  Fund (as a percentage of offering price)(3)..........................  0.53%
Dividend Reinvestment Plan Fees........................................  None(4)

                                                                   PERCENTAGE OF
                                                                     NET ASSETS
                                                                    ATTRIBUTABLE
                                                                     TO COMMON
                                                                       SHARES
                                                                   -------------


ANNUAL EXPENSES
Management Fee(5)................................................       1.50%
Other Expenses...................................................       0.27%
Leverage Costs(6)................................................       2.51%
                                                                        ----
Total Annual Expenses............................................       4.28%

EXPENSE EXAMPLE: The following example illustrates the expenses (including the sales load of $45, estimated offering expenses of this offering of $1.12 and the estimated preferred share offering costs of $5.34, assuming preferred shares are issued representing 33% of the Fund's total assets) that you would pay on a $1,000 investment in common shares, assuming (a) net annual expenses of 4.28% of net assets attributable to common shares, (b) a 5% annual return and (c) the Fund issues preferred shares in an amount equal to 33% of the Fund's total assets:(8)

                                                   1 YEAR   3 YEARS   5 YEARS   10 YEARS
                                                   ------   -------   -------   --------


Total Expenses Incurred(7).......................    $92      $175      $259      $475
                                                     ---      ----      ----      ----


(1) Calamos has agreed to pay organizational expenses and offering costs (other than sales load) that exceed $0.03 per common share (0.20% of the offering price).

(2) Calamos has agreed to pay from its own assets a structuring fee to each of Wachovia Capital Markets, LLC and Citigroup Global Markets Inc. Calamos may pay certain qualifying underwriters a structuring fee, additional compensation, or a sales incentive fee in connection with the offering. See "Underwriting."

(3) If the Fund offers preferred shares, costs of that offering, estimated to be approximately 1.12% of the total amount of the preferred share offering, will effectively be borne by the common shareholders and will result in a reduction of the net asset value of the common shares. Assuming the issuance of preferred shares in the amount equal to 33% of the Fund's total assets immediately after issuance, those offering costs are estimated to be approximately $0.08 per common share (0.53% of the offering price of the common shares).

(4) A shareholder that directs the plan agent to sell shares held in a dividend reinvestment account will pay brokerage charges.

18

(5) The Fund pays Calamos an annual management fee, payable monthly, for its investment management services equal to 1.00% of the Fund's average weekly managed assets. In accordance with the requirements of the Commission, the table above shows the Fund's management fee as a percentage of net assets, and not as a percentage of managed assets. By showing the management fee as a percentage of net assets, the management fee is not expressed as a percentage of all of the assets the Fund intends to invest.

(6) Assumes a dividend rate on preferred shares of 5.01%, which rate is subject to change based on prevailing market conditions. Preferred share expenses are expressed as a percentage of average net assets. In the event the Fund, as an alternative to issuing preferred shares, utilizes leverage through borrowings in an amount equal to 33% of the Fund's total assets (including the amount obtained from leverage), it is estimated that, as a percentage of net assets attributable to common shares, the "Management Fee" would be 1.50%, "Other Expenses" would be 0.13%, "Interest Payments on Borrowed Funds" (assuming an interest rate of 5.35%, which interest rate is subject to change based on prevailing market conditions) would be 2.68% and "Total Annual Expenses" would be 4.31%. Based on the "Total Annual Expenses" and in accordance with the example below, the expenses for years 1, 3, 5 and 10 would be $87, $171, $255 and $472, respectively.

(7) The example assumes that the estimated "Other Expenses" set forth in the fee table are accurate and that all dividends and distributions are reinvested at net asset value. Moreover, the Fund's actual rate of return may be greater or less than the hypothetical 5% return shown in the example. The expenses you would pay, based on the Fund's expenses stated as a percentage of the Fund's net assets assuming the Fund does not issue preferred shares, or otherwise use leverage, and otherwise making the same assumptions in the example above, would be: 1 year, $57; 3 years, $80; 5 years, $105; and 10 years, $176. THE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF FUTURE EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE ASSUMED.

The purpose of the table above is to help you understand all fees and expenses that you, as a common shareholder, would bear directly or indirectly. As of the date of this prospectus, the Fund has not commenced investment operations. The amount set forth under "Other Expenses" is based upon estimates for the current year, assuming no exercise of the over-allotment option granted to the underwriters. The table assumes that the Fund issues 33,333,333 common shares and issues preferred shares as a means of leverage. If the Fund issues fewer common shares, all other things being equal, these expenses, as a percentage of net assets, would increase. If the Fund leverages through borrowing or issuing debt securities, the Fund would incur interest expense. For additional information with respect to the Fund's expenses, see "Management of the Fund." Other expenses include custodial and transfer agency fees, legal and accounting expenses, and listing fees.

THE FUND

Calamos Global Dynamic Income Fund is a newly organized, diversified, closed-end management investment company. The Fund was organized as a statutory trust under the laws of the state of Delaware on April 10, 2007, and has registered under the 1940 Act. As a recently organized entity, the Fund has no operating history. The Fund's principal office is located at 2020 Calamos Court, Naperville, Illinois 60563, and its telephone number is 1.800.582.6959.

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USE OF PROCEEDS

The net proceeds of this offering will be approximately $ (or approximately $ assuming the underwriters exercise the over-allotment option in full) after payment of organizational and offering costs estimated to be approximately $ and the deduction of the sales load. Calamos has agreed to pay organizational expenses and offering costs (other than sales load) that exceed $ per share.

The Fund will invest the net proceeds of the offering in accordance with the Fund's investment objective and policies as stated below. It is presently anticipated that the Fund will invest substantially all of the net proceeds in securities that meet its investment objective and policies within three months after completion of this offering. Pending such investment, the Fund anticipates that all or a portion of the proceeds will be invested in U.S. government securities or high grade, short-term money market instruments. If necessary, the Fund may also purchase, as temporary investments, securities of other open-or closed-end investment companies that invest primarily in the types of securities in which the Fund may invest directly. See "Investment Objective and Principal Investment Strategies."

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INVESTMENT OBJECTIVE AND PRINCIPAL INVESTMENT STRATEGIES

INVESTMENT OBJECTIVE

The Fund's primary investment objective is to generate a high level of current income, with a secondary objective of capital appreciation. The Fund's investment objective may be changed by the Board of Trustees without a shareholder vote, except that the Fund will give shareholders at least 60 days notice of any change to the Fund's investment objective. The Fund makes no assurance that it will realize its objective. An investment in the Fund may be speculative in that it involves a high degree of risk and should not constitute a complete investment program. See "Risk Factors."

PRINCIPAL INVESTMENT STRATEGIES

Under normal circumstances, the Fund will invest primarily in a globally diversified portfolio of convertible instruments, common and preferred stocks, and income-producing securities such as investment grade and below investment grade (high yield/high risk) debt securities. The Fund may also use other income-producing strategies, including options, swaps and other derivative instruments, for both investment and hedging purposes. The Fund, under normal circumstances, will invest at least 40% of its managed assets in securities of foreign issuers in developed and emerging markets, including debt and equity securities of corporate issuers and debt securities of government issuers.

The Fund will maintain a balanced approach to geographic portfolio diversification. The Fund may invest up to 100% of its managed assets in securities of foreign issuers in developed and emerging markets, including debt and equity securities of corporate issuers and debt securities of government issuers.

The Fund will use a number of investment strategies to achieve its objectives and expects to invest in a wide variety of financial instruments. These instruments include global convertible, exchangeable instruments, as well as "synthetic" convertible instruments. The Fund will also invest in global equities or equity-linked securities with high income potential. From time to time, the Fund expects to invest in Rule 144A securities, foreign exchange contracts or securities with imbedded foreign exchange hedges, and high yield bonds of companies rated BB or lower.

In general, the Fund intends to seek out companies with a long-term track record of high dividend payout consistent with dividend growth. In certain circumstances, the Fund may invest in underlying companies it believes have substantial prospects for price appreciation even if the there is little or no dividend growth potential. The Fund may from time to time, seek to sell index options or single stock options (either listed or "over the counter") to enhance the overall yield of the Fund or, in the opinion of Calamos, reduce portfolio volatility. The Fund may purchase options to hedge or engage in other hedging activities including the purchase or sale of futures, swaps or options on equities, indices, currencies, interest rates or credits.

Initially, and depending on market conditions and prevailing economic trends, the Fund intends to allocate its assets in the following manner: 50% of managed assets in equity securities; 25% of managed assets in fixed income securities (including debt and high yield securities); and 25% of managed assets in alternative strategies (including convertible hedging and swaps and related swap products). The Fund does not seek to maintain any target allocation among asset classes and, at any time, its allocation among asset classes may vary significantly from the initial allocation.

FOREIGN SECURITIES. The Fund may invest up to 100% of its managed assets in securities of foreign issuers in developed and emerging markets, including debt and equity securities of corporate issuers and debt securities of government issuers. The Fund will invest in the securities of issuers located in at least three countries, which may include the United States. A foreign issuer is a foreign government or a company organized under the laws of a foreign country.

CONVERTIBLE SECURITIES. A convertible security is a debt security or preferred stock that is exchangeable for an equity security (typically of the same issuer) at a predetermined price. Depending upon the

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relationship of the conversion price to the market value of the underlying security, a convertible security may trade more like an equity security than a debt instrument.

SYNTHETIC CONVERTIBLE SECURITIES. The Fund may invest in "synthetic" convertible securities. A synthetic convertible security is a financial instrument that is designed to simulate the characteristics of another instrument (i.e., a convertible security) through the combined features of a collection of other securities or assets. Calamos may create a synthetic convertible security by combining separate securities that possess the two principal characteristics of a true convertible security, i.e., a fixed-income security ("fixed-income component", which may be a convertible or non- convertible security) and the right to acquire an equity security ("convertible component"). The fixed-income component is achieved by investing in non- convertible, fixed-income securities such as bonds, preferred stocks and money market instruments. The convertible component is achieved by investing in warrants or options to buy common stock at a certain exercise price, or options on a stock index. The Fund may also purchase synthetic convertible securities created by other parties, typically investment banks, including convertible structured notes. Convertible structured notes are fixed income debentures linked to equity. Convertible structured notes have the attributes of a convertible security, however, the investment bank that issued the convertible note assumes the credit risk associated with the investment, rather than the issuer of the underlying common stock into which the note is convertible. Different companies may issue the fixed-income and convertible components, which may be purchased separately and at different times.

The Fund may also invest in synthetic convertible securities created by third parties, typically investment banks. Synthetic convertible securities created by such parties may be designed to simulate the characteristics of traditional convertible securities or may be designed to alter or emphasize a particular feature. Traditional convertible securities typically offer stable cash flows with the ability to participate in capital appreciation of the underlying common stock. Because traditional convertible securities are exercisable at the option of the holder, the holder is protected against downside risk. Synthetic convertible securities may alter these characteristics by offering enhanced yields in exchange for reduced capital appreciation or less downside protection, or any combination of these features. Synthetic convertible instruments may include structured notes, equity-linked notes, mandatory convertibles and combinations of securities and instruments, such as a debt instrument combined with a forward contract.

Some examples of these securities include:

Preferred equity redeemable cumulative stock ("PERCS") are shares that automatically convert into one ordinary share upon maturity. They are usually issued at the prevailing share price, convertible into one ordinary share, with an enhanced dividend yield. PERCS pay a higher dividend than common shares, but the equity upside is capped. Above a certain share price, the conversion ratio will fall as the stock rises, capping the upside at that level. Below this level, the conversion ratio remains one-for-one, giving the same downside exposure as the ordinary shares, excluding the income difference.

Dividend enhanced convertible stock ("DECS") are either preference shares or subordinated bonds. These, like PERCS, mandatorily convert into ordinary shares at maturity, if not already converted. DECS give no significant downside protection and are very equity sensitive with minimal direct bond characteristics and interest rate exposure. As with PERCS, some of the upside performance is given away and in return, the investor receives an enhanced yield over the ordinary shares. Unlike PERCS, however, the investor's upside is not capped. Instead, the investor trades a zone of flat exposure to the share price for the enhanced income.

Preferred Redeemable Increased Dividend Equity Security ("PRIDES") are synthetic securities consisting of a forward contract to purchase the issuer's underlying security and an interest bearing deposit. Interest payments are made at regular intervals, and conversion into the underlying security is mandatory at maturity. Similar to convertible securities, PRIDES allow investors to earn stable cash flows while still participating in the capital gains of an underlying stock. This is possible because these products are valued along the same lines as the underlying security.

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CONVERTIBLE HEDGING. The Fund may enhance income and protect against market risk by hedging a portion of the equity risk inherent in the convertible securities purchased for the Fund. This hedging is achieved by selling short some or all of the common stock issuable upon exercise of the convertible security. If the market price of the common stock increases above the conversion price on the convertible security, the price of the convertible security will increase. The Fund's increased liability on the short position would, in whole or in part, reduce this gain. if the price of the common stock declines, any decline in the price of the convertible security would offset, in whole or in part, the Fund's gain on the short position. The Fund profits from this strategy by receiving interest and/or dividends on the convertible security and by adjusting the amount of equity risk that is hedged by short sales. In determining the appropriate portion of the Fund's equity exposure to hedge, Calamos may consider the general outlook for interest rates and equity markets, the availability of stock to sell short and expected returns and volatility.

HIGH YIELD SECURITIES. The Fund may invest in high yield securities without limit for either current income or capital appreciation or both. The high yield securities in which the Fund invests are rated Ba or lower by Moody's or BB or lower by Standard & Poor's or are unrated but determined by Calamos to be of comparable quality. The Fund may not invest in debt securities that are rated lower than C. If a debt security were downgraded to below a C rating subsequent to the Fund's investment in the security, Calamos would review the investment to consider the downgrading, as well as other factors, and determine what action to take in the best interest of shareholders. Non-convertible debt securities rated below investment grade are commonly referred to as "junk bonds" and are considered speculative with respect to the issuer's capacity to pay interest and repay principal. Below investment grade non-convertible debt securities involve greater risk of loss, are subject to greater price volatility and are less liquid, especially during periods of economic uncertainty or change, than higher rated debt securities.

OPTIONS STRATEGY. The Fund may also seek to generate income from option premiums by writing (selling) options. The Fund may write (sell) call options
(i) on a portion of the equity securities (including securities that are convertible into equity securities) in the Fund's portfolio and (ii) on broad- based securities indices (such as the S&P 500 or MSCI EAFE) or certain ETFs (exchange traded funds) that trade like common stocks but seek to replicate such market indices. The Fund may sell, put or call options on stocks, indices, rates, credit spreads or currencies. The Fund may also sell call or put options on single stocks, credits or indices for hedging purposes. The Fund's use of options is subject to the asset segregation requirements of the 1940 Act.

OPTIONS IN GENERAL. A call option, upon payment of a premium, gives the purchaser of the option the right to buy, and the seller the obligation to sell, the underlying security, index or other instrument at the exercise price. A put option gives the purchaser of the option, upon payment of a premium, the right to sell, and the seller the obligation to buy, the underlying security, index, or other instrument at the exercise price.

The Fund is authorized to purchase and sell exchange listed options and over-the-counter options ("OTC options"). Exchange listed options are issued by a regulated intermediary such as the OCC, which guarantees the performance of the obligations of the parties to such options. In addition, the Fund may purchase instruments structured by broker-dealers or investment banks that package or possess economic characteristics of options. The discussion below uses the OCC as an example, but is also applicable to other financial intermediaries.

With certain exceptions, OCC issued and exchange listed options generally settle by physical delivery of the underlying security, although in the future cash settlement may become available. Index options are cash settled for the net amount, if any, by which the option is "in-the-money" (i.e., where the value of the underlying instrument exceeds, in the case of a call option, or is less than, in the case of a put option, the exercise price of the option) at the time the option is exercised. Frequently, rather than taking or making delivery of the underlying instrument through the process of exercising the option, listed options are closed by entering into offsetting purchase or sale transactions that do not result in ownership of the new option.

OTC options are purchased from or sold to securities dealers, financial institutions or other parties ("Counterparties") through direct bilateral agreement with the Counterparty. In contrast to exchange listed

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options, which generally have standardized terms and performance mechanics, all the terms of an OTC option, including such terms as method of settlement, term, exercise price, premium, guarantees and security, are set by negotiation of the parties. The Fund may sell OTC options (other than OTC currency options) that are subject to a buy-back provision permitting the Fund to require the Counterparty to sell the option back to the Fund at a formula price within seven days. The Fund expects generally to enter into OTC options that have cash settlement provisions, although it is not required to do so. The staff of the Commission currently takes the position that OTC options purchased by a fund, and portfolio securities "covering" the amount of a fund's obligation pursuant to an OTC option sold by it (or the amount of assets equal to the formula price for the repurchase of the option, if any, less the amount by which the option is in the money) are illiquid. OTC options purchased by the Fund and any portfolio securities used to cover obligations pursuant to such options are not considered illiquid by Calamos for the purposes of the Fund's limitation on investments in illiquid securities.

The Fund may also purchase and sell options on securities indices and other financial indices. Options on securities indices and other financial indices are similar to options on a security or other instrument except that, rather than settling by physical delivery of the underlying instrument, they settle by cash settlement, i.e., an option on an index gives the holder the right to receive, upon exercise of the option, an amount of cash if the closing level of the index upon which the option is based exceeds, in the case of a call, or is less than, in the case of a put, the exercise price of the option (except if, in the case of an OTC option, physical delivery is specified). This amount of cash is equal to the excess of the closing price of the index over the exercise price of the option, which also may be multiplied by a formula value. The seller of the option is obligated, in return for the premium received, to make delivery of this amount. The gain or loss on an option on an index depends on price movements in the instruments making upon the market, market segment, industry or other composite on which the underlying index is based, rather than price movements in individual securities, as is the case with respect to options on securities.

The Fund will write call options and put options only if they are "covered." For example, a call option written by the Fund will require the Fund to hold the securities subject to the call (or securities convertible into those securities without additional consideration) or to segregate cash or liquid assets sufficient to purchase and deliver the securities if the call is exercised. A call option sold by the Fund on an index will require the Fund to own portfolio securities that correlate with the index or to segregate cash or liquid assets equal to the excess of the index value over the exercise price on a current basis. A put option written by the Fund requires the Fund to segregate cash or liquid assets equal to the exercise price.

OTC options entered into by the Fund will generally provide for cash settlement. As a result, when the Fund sells those instruments it will only segregate an amount of cash or liquid assets equal to its accrued net obligations, as there is no requirement for payment or delivery of amounts in excess of the net amount. Those amounts will equal 100% of the exercise price in the case of a non cash-settled put, the same as an OCC guaranteed listed option sold by the Fund, or the in-the-money amount plus any sell-back formula amount in the case of a cash-settled put or call. In addition, when the Fund sells a call option on an index at a time when the in-the-money amount exceeds the exercise price, the Fund will segregate, until the option expires or is closed out, cash or cash equivalents equal in value to such excess. OTC options other than those above may also settle with physical delivery, or with an election of either physical delivery or cash settlement and the Fund will segregate an amount of cash or liquid assets equal to the full value of the option. OTC options settling with physical delivery, or with an election of either physical delivery or cash settlement, will be treated the same as other options settling with physical delivery.

If an option written by the Fund expires, the Fund will generally realize a short-term capital gain equal to the premium received at the time the option was written. If an option purchased by the Fund expires, the Fund realizes a capital loss equal to the premium paid, which will either be short-term or long-term depending on the Fund's holding period for the option.

The Fund will generally realize a short-term capital gain from a closing purchase transaction if the cost of the closing option is less than the premium received from writing the option, or, if it is more, the Fund will generally realize a short-term capital loss. If the premium received from a closing sale transaction

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is more than the premium paid to purchase the option, the Fund will generally realize a short-term or long-term capital gain, depending on the Fund's holding period for the option, or, if it is less, the Fund will generally realize a short-term or long-term capital loss, depending on the Fund's holding period for the option. The principal factors affecting the market value of a put or a call option include supply and demand, interest rates, the current market price of the underlying security or index in relation to the exercise price of the option, the volatility of the underlying security or index, and the time remaining until the expiration date.

A put option purchased by the Fund is an asset of the Fund, valued initially at the premium paid for the option. The premium received for an option written by the Fund is recorded as a deferred credit. The value of an option purchased or written is marked-to-market daily and is valued at the closing price on the exchange on which it is traded or, if not traded on an exchange or no closing price is available, at the mean between the last bid and asked prices.

EQUITY SECURITIES. Equity securities include common and preferred stocks, warrants, rights, and depository receipts. An investment in the equity securities of a company represents a proportionate ownership interest in that company. Therefore, the Fund participates in the financial success or failure of any company in which it has an equity interest.

SHORT SALES. The Fund may engage in short sales of securities. When the Fund takes a short position, it sells at the current market price a stock that it does not own and has borrowed in anticipation of a decline in the value of the stock. To complete, or close out, the short sale transaction, the Fund buys the same security in the market and returns it to the lender. The Fund makes money if the market price of the borrowed security goes down and the Fund is able to replace the security for less than it earned by selling short. The Fund loses money if the stock price goes up after the short sale and before the position is closed out. The Fund will enter into short sales only with respect to common stock that it owns or that is issuable upon conversion of convertible securities held by the Fund.

SWAPS AND RELATED SWAP PRODUCTS. Swap transactions will be based on financial assets including interest rates, currencies, securities indices, securities baskets, specific securities, fixed income sectors, commodity swaps, asset-backed swaps, interest rate caps, floors and collars and options on interest rate swaps (collectively defined as "swap transactions").

The Fund may enter into swap transactions for any legal purpose consistent with its investment objective and policies, such as for the purpose of attempting to obtain or preserve a particular return or spread at a lower cost than obtaining that return or spread through purchases and/or sales of instruments in cash markets, to protect against currency fluctuations, to protect against any increase in the price of securities the Fund anticipates purchasing at a later date, or to gain exposure to certain markets in the most economical way possible. The use of swap transactions by the Fund involves Calamos' judgment with regard to future movements of the particular market underlying the particular swap transaction. The Fund intends to use swaps to a significant degree, subject to the asset coverage requirements of the 1940 Act and the Internal Revenue Code of 1986, as amended.

Swap agreements are two-party contracts entered into primarily by institutional counterparties for periods ranging from a few weeks to several years. In a standard swap transaction, two parties agree to exchange the returns (or differentials in rates of return) that would be earned or realized on specified notional investments or instruments. The gross returns to be exchanged or "swapped" between the parties are calculated by reference to a "notional amount," i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate, in a particular foreign currency or commodity, or in a "basket" of securities representing a particular index. The purchaser of an interest rate cap or floor, upon payment of a fee, has the right to receive payments (and the seller of the cap or floor is obligated to make payments) to the extent a specified interest rate exceeds (in the case of a cap) or is less than (in the case of a floor) a specified level over a specified period of time or at specified dates. The purchaser of an interest rate collar, upon payment of a fee, has the right to receive payments (and the seller of the collar is obligated to make payments) to the extent that a specified interest rate falls outside an agreed upon range over a specified period of time or at specified dates. The purchaser of an option on an interest rate swap,

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upon payment of a fee (either at the time of purchase or in the form of higher payments or lower receipts within an interest rate swap transaction) has the right, but not the obligation, to initiate a new swap transaction of a pre- specified notional amount with pre-specified terms with the seller of the option as the counterparty. The "notional amount" of a swap transaction is the agreed upon basis for calculating the payments that the parties have agreed to exchange. For example, one swap counterparty may agree to pay a floating rate of interest (e.g., 3 month LIBOR) calculated based on a $10 million notional amount on a quarterly basis in exchange for receipt of payments calculated based on the same notional amount and a fixed rate of interest on a semi-annual basis. In the event the Fund is obligated to make payments more frequently than it receives payments from the other party, it will incur incremental credit exposure to that swap counterparty. This risk may be mitigated somewhat by the use of swap agreements which call for a net payment to be made by the party with the larger payment obligation when the obligations of the parties fall due on the same date. Under most swap agreements entered into by the Fund, payments by the parties will be exchanged on a "net basis", and the Fund will receive or pay, as the case may be, only the net amount of the two payments.

The amount of the Fund's potential gain or loss on any swap transaction is not subject to any fixed limit. Nor is there any fixed limit on the Fund's potential loss if it sells a cap or collar. If the Fund buys a cap, floor or collar, however, the Fund's potential loss is limited to the amount of the fee that it has paid. When measured against the initial amount of cash required to initiate the transaction, which is typically zero in the case of most conventional swap transactions, swaps, caps, floors and collars tend to be more volatile than many other types of instruments.

The use of swap transactions, caps, floors and collars involves investment techniques and risks that are different from those associated with portfolio security transactions. If Calamos is incorrect in its forecasts of market values, interest rates, and other applicable factors, the investment performance of the Fund will be less favorable than if these techniques had not been used. These instruments are typically not traded on exchanges. Accordingly, there is a risk that the other party to certain of these instruments will not perform its obligations to the Fund or that the Fund may be unable to enter into offsetting positions to terminate its exposure or liquidate its position under certain of these instruments when it wishes to do so.

Such occurrences could result in losses to the Fund. Calamos will consider such risks and will enter into swap and other derivatives transactions only when it believes that the risks are not unreasonable. The Fund will earmark and reserve the Fund assets, in cash or liquid securities, in an amount sufficient at all times to cover its current obligations under its swap transactions, caps, floors and collars. If the Fund enters into a swap agreement on a net basis, it will earmark and reserve assets with a daily value at least equal to the excess, if any, of the Fund's accrued obligations under the swap agreement over the accrued amount the Fund is entitled to receive under the agreement. If the Fund enters into a swap agreement on other than a net basis, or sells a cap, floor or collar, it will earmark and reserve assets with a daily value at least equal to the full amount of the Fund's accrued obligations under the agreement. The Fund will not enter into any swap transaction, cap, floor, or collar, unless the counterparty to the transaction is deemed creditworthy by Calamos. If a counterparty defaults, the Fund may have contractual remedies pursuant to the agreements related to the transaction. The swap markets in which many types of swap transactions are traded have grown substantially in recent years, with a large number of banks and investment banking firms acting both as principals and as agents utilizing standardized swap documentation. As a result, the markets for certain types of swaps (e.g., interest rate swaps) have become relatively liquid. The markets for some types of caps, floors and collars are less liquid.

During the term of a swap, cap, floor or collar, changes in the value of the instrument are recognized as unrealized gains or losses by marking to market to reflect the market value of the instrument. When the instrument is terminated, the Fund will record a realized gain or loss equal to the difference, if any, between the proceeds from (or cost of) the closing transaction and the Fund's basis in the contract. The federal income tax treatment with respect to swap transactions, caps, floors, and collars may impose limitations on the extent to which the Fund may engage in such transactions.

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CREDIT DEFAULT SWAPS. As described above, swap agreements are two party contracts entered into primarily by institutional investors for periods ranging typically from three to ten years, although shorter or longer periods do exist. In the case of a Credit Default Swap ("CDS"), the contract gives one party (the buyer) the right to recoup the economic value of a decline in the value of debt securities of the reference issuer if the credit event (including a default or restructuring) occurs. This value is obtained by delivering a debt security of the reference issuer to the party in return for a previously agreed payment from the other party (frequently, the par value of the debt security)or by cash settlement of the transaction.

The Fund may also enter into swap contracts based on baskets or indices of securities ("CDX"). A CDX index is an equally weighted credit default swap index. This family of indices is comprised of baskets of credit derivatives that are representative of certain market segments such as North American investment grade, high volatility investment grade, non-investment grade, as well as emerging markets. CDS of individual reference entities are selected for inclusion in the indices based on rating requirements and liquidity requirements. A CDX index tranche provides access to customized risk, exposing each investor to losses at different levels of subordination. The lowest part of the capital structure is called the "equity tranche" as it has exposure to the first losses experienced in the basket. The mezzanine and senior tranches are higher in the capital structure but can also be exposed to loss in value.

Credit default swaps may require initial premium (discount) payments as well as periodic payments (receipts) related to the interest leg of the swap or to the default of a reference obligation.

If the Fund is a seller of a CDS contract, the Fund would be required to pay the par (or other agreed upon) value of a referenced debt obligation to the counterparty in the event of a default or other credit event by the reference issuer, such as a U.S. or foreign corporate issuer, with respect to such debt obligations. In return, the Fund would receive from the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the Fund would keep the stream of payments and would have no payment obligations. As the seller, the Fund would be subject to investment exposure on the notional amount of the swap. The Fund intends to maintain cash or liquid securities having a value at least equal to the Fund's net payment obligation if the Fund is a seller of a CDS.

If the Fund is a buyer of a CDS contract, in the event of a default or other credit event (such as a credit downgrade) by the reference issuer, such as a U.S. or foreign corporation, with respect to its debt obligations, the Fund would have the right to deliver a referenced debt obligation and receive the par (or other agreed-upon) value of such debt obligation from the counterparty. In return, the Fund would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the counterparty would keep the stream of payments and would have no further obligations to the Fund.

RULE 144A SECURITIES. The Fund may invest without limit in securities that have not been registered for public sale, but that are eligible for purchase and sale by certain qualified institutional buyers ("Rule 144A Securities").

OTHER DEBT SECURITIES. The Fund may also invest in investment grade debt securities. The Fund's investments in investment grade debt securities may have fixed or variable principal payments and all types of interest rate and dividend payment and reset terms, including fixed rate, adjustable rate, contingent, deferred, payment in kind and auction rate features.

U.S. GOVERNMENT SECURITIES. U.S. government securities in which the Fund may invest include debt obligations of varying maturities issued by the U.S. Treasury or issued or guaranteed by an agency or instrumentality of the U.S. government, including the Federal Housing Administration, Federal Financing Bank, Farmers Home Administration, Export-Import Bank of the United States, Small Business Administration, Government National Mortgage Association, General Services Administration, Central Bank for Cooperatives, Federal Farm Credit Banks, Federal Home Loan Banks, Federal Home Loan Mortgage Corporation, Federal National Mortgage Association ("FNMA"), Maritime Administration, Tennessee Valley Authority, District of Columbia Armory Board, Student Loan Marketing Association, Resolution Fund Corporation and various institutions that previously were or currently are part of the Farm Credit System (which

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has been undergoing reorganization since 1987). Some U.S. government securities, such as U.S. Treasury bills, Treasury notes and Treasury bonds, which differ only in their interest rates, maturities and times of issuance, are supported by the full faith and credit of the United States. Others are supported by: (i) the right of the issuer to borrow from the U.S. Treasury, such as securities of the Federal Home Loan Banks; (ii) the discretionary authority of the U.S. government to purchase the agency's obligations, such as securities of the FNMA; or (iii) only the credit of the issuer. No assurance can be given that the U.S. government will provide financial support in the future to U.S. government agencies, authorities or instrumentalities that are not supported by the full faith and credit of the United States. Securities guaranteed as to principal and interest by the U.S. government, its agencies, authorities or instrumentalities include: (i) securities for which the payment of principal and interest is backed by an irrevocable letter of credit issued by the U.S. government or any of its agencies, authorities or instrumentalities; and (ii) participations in loans made to non-U.S. governments or other entities that are so guaranteed. The secondary market for certain of these participations is limited and, therefore, may be regarded as illiquid. U.S. government securities include STRIPS and CUBES, which are issued by the U.S. Treasury as component parts of U.S. Treasury bonds and represent scheduled interest and principal payments on the bonds.

OTHER INVESTMENT COMPANIES. The Fund may invest in the securities of other investment companies to the extent that such investments are consistent with the Fund's investment objective and policies and are permissible under the 1940 Act. Under the 1940 Act, the Fund may not acquire the securities of other domestic or non-U.S. investment companies if, as a result, (1) more than 10% of the Fund's total assets would be invested in securities of other investment companies, (2) such purchase would result in more than 3% of the total outstanding voting securities of any one investment company being held by the Fund, or (3) more than 5% of the Fund's total assets would be invested in any one investment company. These limitations do not apply to the purchase of shares of any investment company in connection with a merger, consolidation, reorganization or acquisition of substantially all the assets of another investment company.

The Fund, as a holder of the securities of other investment companies, would bear its pro rata portion of the other investment companies' expenses, including advisory fees. These expenses are in addition to the direct expenses of the Fund's own operations.

TEMPORARY DEFENSIVE INVESTMENTS. Under unusual market or economic conditions or for temporary defensive purposes, the Fund may invest up to 100% of its total assets in securities issued or guaranteed by the U.S. government or its instrumentalities or agencies, certificates of deposit, bankers' acceptances and other bank obligations, commercial paper rated in the highest category by a nationally recognized statistical rating organization or other fixed income securities deemed by Calamos to be consistent with a defensive posture, or may hold cash. The yield on such securities may be lower than the yield on lower rated fixed income securities. During such periods, the Fund may not be able to achieve its investment objective.

REPURCHASE AGREEMENTS. The Fund may enter into repurchase agreements with broker-dealers, member banks of the Federal Reserve System and other financial institutions. Repurchase agreements are arrangements under which the Fund purchases securities and the seller agrees to repurchase the securities within a specific time and at a specific price. The repurchase price is generally higher than the Fund's purchase price, with the difference being income to the Fund. The counterparty's obligations under the repurchase agreement are collateralized with U.S. Treasury and/or agency obligations with a market value of not less than 100% of the obligations, valued daily. Collateral is held by the Fund's custodian in a segregated, safekeeping account for the benefit of the Fund. Repurchase agreements afford the Fund an opportunity to earn income on temporarily available cash at low risk. In the event of commencement of bankruptcy or insolvency proceedings with respect to the seller of the security before repurchase of the security under a repurchase agreement, the Fund may encounter delay and incur costs before being able to sell the security. Such a delay may involve loss of interest or a decline in price of the security. If the court characterizes the transaction as a loan and the Fund has not perfected a security interest in the security, the Fund may be required to return the security to the seller's estate and be treated as an unsecured creditor of the seller. As an unsecured creditor, the Fund would be at risk of losing some or all of the principal and interest involved in the transaction.

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LENDING OF PORTFOLIO SECURITIES. The Fund may lend portfolio securities to registered broker-dealers or other institutional investors deemed by Calamos to be of good standing under agreements which require that the loans be secured continuously by collateral in cash, cash equivalents or U.S. Treasury bills maintained on a current basis at an amount at least equal to the market value of the securities loaned. The Fund continues to receive the equivalent of the interest or dividends paid by the issuer on the securities loaned as well as the benefit of an increase and the detriment of any decrease in the market value of the securities loaned and would also receive compensation based on investment of the collateral. The Fund would not, however, have the right to vote any securities having voting rights during the existence of the loan, but could call the loan in anticipation of an important vote to be taken among holders of the securities or of the giving or withholding of consent on a material matter affecting the investment.

As with other extensions of credit, there are risks of delay in recovery or even loss of rights in the collateral should the borrower of the securities fail financially. At no time would the value of the securities loaned exceed 33 1/3% of the value of the Fund's total assets.

PORTFOLIO TURNOVER. Although the Fund does not purchase securities with a view to rapid turnover, there are no limitations on the length of time that portfolio securities must be held. Portfolio turnover can occur for a number of reasons, including calls for redemption, general conditions in the securities markets, more favorable investment opportunities in other securities, or other factors relating to the desirability of holding or changing a portfolio investment. The portfolio turnover rates may vary greatly from year to year. A high rate of portfolio turnover in the Fund would result in increased transaction expense, which must be borne by the Fund. High portfolio turnover may also result in the realization of capital gains or losses and, to the extent net short-term capital gains are realized, any distributions resulting from such gains will be considered ordinary income for federal income tax purposes.

LEVERAGE

The Fund may issue preferred shares, borrow money or issue debt securities to increase its assets available for investment. The Fund currently anticipates that it will issue cumulative preferred shares, as soon as practicable after the closing of this offering, with an aggregate liquidation preference of up to approximately 33% of the Fund's total assets immediately after issuance. As a non-fundamental policy, the aggregate liquidation preference of preferred shares and the principal amount of borrowings and debt securities may not exceed 38% of the Fund's total assets. However, the Fund reserves the right to issue preferred shares, borrow or issue debt securities to the extent permitted by the 1940 Act (50% of total assets for preferred shares and 33 1/3% of total assets for borrowing and debt securities). The Fund generally will not issue preferred shares, borrow or issue debt securities unless Calamos expects that the Fund will achieve a return on the leverage proceeds greater than the additional costs the Fund incurs as a result of such leverage. The Fund also may borrow money as a temporary measure for extraordinary or emergency purposes, including the payment of dividends and the settlement of securities transactions which otherwise might require untimely dispositions of the Fund's holdings. When the Fund leverages its assets, the fees paid to Calamos for investment management services will be higher than if the Fund did not leverage because Calamos' fees are calculated based on the Fund's managed assets, which include the proceeds of any leverage. Consequently, the Fund and Calamos may have differing interests in determining whether to leverage the Fund's assets. In addition, the costs of leveraging the Fund's assets, including underwriting commissions, offering expenses and rating agency fees, will effectively be borne by the common shareholders.

Under the 1940 Act, the Fund is not permitted to issue preferred shares unless immediately after such issuance the net asset value of the Fund's portfolio is at least 200% of the liquidation value of the outstanding preferred shares (i.e., such liquidation value may not exceed 50% of the value of the Fund's total assets). In addition, the Fund is not permitted to declare any cash dividend or other distribution on its common shares unless, at the time of such declaration, the net asset value of the Fund's portfolio (determined after deducting the amount of such dividend or distribution) is at least 200% of such liquidation value. In the event preferred shares are issued, the Fund intends, to the extent possible, to purchase or redeem preferred shares from time to time to maintain coverage of any preferred shares of at

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least 200%. Under the 1940 Act, the Fund is not permitted to incur indebtedness unless immediately after a borrowing or issuance of debt securities the Fund has an asset coverage of at least 300% of the aggregate outstanding principal balance of indebtedness (i.e., such indebtedness may not exceed 33 1/3% of the value of the Fund's total assets). Additionally, under the 1940 Act, the Fund may not declare any dividend or other distribution upon any class of its shares, or purchase any such shares, unless the aggregate indebtedness of the Fund has, at the time of the declaration of any such dividend or distribution or at the time of any such purchase, an asset coverage of at least 300% after deducting the amount of such dividend, distribution, or purchase price, as the case may be.

The Fund may be subject to certain restrictions on investments imposed by guidelines of one or more NRSROs which may issue ratings for the preferred shares or debt instruments issued by the Fund if it wishes to maintain those ratings. These guidelines may impose asset coverage or portfolio composition requirements that are more stringent than those imposed by the 1940 Act. Certain types of borrowings may result in the Fund being subject to covenants in credit agreements, including those relating to asset coverage, borrowing base and portfolio composition requirements and additional covenants that may affect the Fund's ability to pay dividends and distributions on common shares in certain instances. The Fund may also be required to pledge its assets to the lenders in connection with certain types of borrowings. Calamos does not anticipate that these covenants or restrictions will adversely affect its ability to manage the Fund's portfolio in accordance with the Fund's investment objective and policies. Due to these covenants or restrictions, the Fund may be forced to liquidate investments at times and at prices that are not favorable to the Fund, or the Fund may be forced to forgo investments that Calamos otherwise views as favorable.

Whether and the extent to which the Fund employs leverage will depend on many factors, the most important of which are investment outlook, market conditions and interest rates. Successful use of a leveraging strategy depends on Calamos' ability to predict correctly interest rates and market movements. There is no assurance that a leveraging strategy will be successful during any period in which it is employed.

See "Risk Factors -- Leverage Risk."

EFFECTS OF LEVERAGE

Assuming the Fund issues preferred shares with an aggregate liquidation preference equal to approximately 33% of the Fund's total assets and an annual dividend rate of 5.01% of such liquidation preference (which rate is approximately the current rate which Calamos expects the Fund to pay, based on market rates as of May 21, 2007), income generated by the Fund's portfolio (net of estimated expenses) would need to exceed 1.67% in order to cover such dividend payments on the preferred shares. Actual dividend rates may vary and may be significantly higher or lower than the rate estimated above.

The following table illustrates the hypothetical effect on the return to a holder of the Fund's common shares of the leverage obtained by issuing preferred shares with an aggregate liquidation preference equal to 33% of the Fund's total assets, assuming hypothetical annual returns of the Fund's portfolio of minus 10% to plus 10% and dividends on preferred shares at an annual dividend rate of 5.01%. As the table shows, leverage generally increases the return to common shareholders when portfolio return is positive and greater than the cost of leverage and decreases the return when the portfolio return is negative or less than the cost of leverage. The figures appearing in the table are hypothetical and actual returns may be greater or less than those appearing in the table.

Assumed Portfolio Return (Net of Expenses).......     (10)%     (5)%     0%     5%     10%
Corresponding Common Share Return................  (17.51)% (10.01)% (2.51)% 5.00%  12.50%

Until the Fund issues preferred shares or borrows or issues debt securities, the Fund's common shares will not be leveraged, and the risks and special considerations related to leverage described in this prospectus will not apply. Such leveraging of the common shares cannot be fully achieved until the proceeds resulting from the use of leverage have been invested in longer term debt instruments or equity securities in accordance with the Fund's investment objective and policies.

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INTEREST RATE TRANSACTIONS

In order to seek to reduce the interest rate risk inherent in the Fund's underlying investments and capital structure, the Fund, if market conditions are deemed favorable, likely will enter into interest rate swap or cap transactions to attempt to protect itself from increasing dividend or interest expenses on its leverage and to hedge portfolio securities from interest rate changes. Interest rate swaps involve the Fund's agreement with the swap counterparty to pay a fixed rate payment in exchange for the counterparty agreeing to pay the Fund a payment at a variable rate that is expected to approximate the rate of any variable rate payment obligation on the Fund's leverage. The payment obligations would be based on the notional amount of the swap.

The Fund may use an interest rate cap, which would require it to pay a premium to the cap counterparty and would entitle it, to the extent that a specified variable rate index exceeds a predetermined fixed rate, to receive from the counterparty payment of the difference based on the notional amount of such cap. The Fund would use interest rate swaps or caps only with the intent to reduce or eliminate the risk that an increase in short-term interest rates could have on common share net earnings as a result of leverage.

The Fund will usually enter into swaps or caps on a net basis; that is, the two payment streams will be netted out in a cash settlement on the payment date or dates specified in the instrument, with the Fund receiving or paying, as the case may be, only the net amount of the two payments. The Fund intends to segregate with its custodian cash or liquid securities having a value at least equal to the Fund's net payment obligations under any swap transaction, marked- to-market daily.

The use of interest rate swaps and caps is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio security transactions. Depending on the state of interest rates in general, the Fund's use of interest rate swaps or caps could enhance or harm the overall performance of the common shares. To the extent that there is a decline in interest rates for maturities equal to the remaining maturity on the Fund's fixed rate payment obligation under the interest rate swap or equal to the remaining term of the interest rate cap, the value of the swap or cap (which initially has a value of zero) could decline, and could result in a decline in the net asset value of the common shares. If, on the other hand, such rates were to increase, the value of the swap or cap could increase, and thereby increase the net asset value of the common shares. As interest rate swaps or caps approach their maturity, their positive or negative value due to interest rate changes will approach zero.

In addition, if the short-term interest rates effectively received by the Fund during the term of an interest rate swap are lower than the Fund's fixed rate of payment on the swap, the swap will increase the Fund's operating expenses and reduce common share net earnings. For example, if the Fund were to
(A) issue preferred shares representing 33% of the Fund's total assets and (B)
enter into one or more interest rate swaps in a notional amount equal to 75% of its outstanding preferred shares under which the Fund would receive a short-term swap rate of 5.01% and pay a fixed swap rate of 5.35% over the term of the swap, the swap would effectively increase Fund expenses and reduce Fund common share net earnings by approximately 0.13% as a percentage of net assets attributable to common shares and approximately 0.08% as a percentage of managed assets. If, on the other hand, the short-term interest rates effectively received by the Fund are higher than the Fund's fixed rate of payment on the interest rate swap, the swap would enhance common share net earnings. In either case, the swap would have the effect of reducing fluctuations in the Fund's cost of leverage due to changes in short-term interest rates during the term of the swap. The example above is purely for illustrative purposes and is not predictive of the actual percentage of the Fund's leverage that will be hedged by a swap, the actual fixed rates that the Fund will pay under the swap (which will depend on market interest rates for the applicable maturities at the time the Fund enters into swaps) or the actual short-term rates that the Fund will receive on any swaps (which fluctuate frequently during the term of the swap, and may change significantly from initial levels), or the actual impact such swaps will have on the Fund's expenses and common share net earnings.

Buying interest rate caps could enhance the performance of the common shares by providing a maximum leverage expense. Buying interest rate caps could also increase the operating expenses of the

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Fund and decrease the net earnings of the common shares in the event that the premium paid by the Fund to the counterparty exceeds the additional amount the Fund would have been required to pay on its preferred shares due to increases in short-term interest rates during the term of the cap had it not entered into the cap agreement. The Fund has no current intention of selling an interest rate swap or cap. The Fund will monitor any interest rate swaps or caps with a view to ensure that the Fund remains in compliance with all applicable tax requirements.

Interest rate swaps and caps do not involve the delivery of securities or other underlying assets or principal. Accordingly, the risk of loss with respect to interest rate swaps is limited to the net amount of interest payments that the Fund is contractually obligated to make. If the counterparty defaults, the Fund would not be able to use the anticipated net receipts under the swap or cap to offset the dividend or interest payments on the Fund's leverage. Depending on whether the Fund would be entitled to receive net payments from the counterparty on the swap or cap, which in turn would depend on the general state of short- term interest rates at that point in time, such a default could negatively impact the performance of the common shares.

The Fund will not enter into an interest rate swap or cap transaction with any counterparty that Calamos believes does not have the financial resources to honor its obligation under the interest rate swap or cap transaction. Further, Calamos will continually monitor the financial stability of a counterparty to an interest rate swap or cap transaction in an effort to proactively protect the Fund's investments.

In addition, at the time the interest rate swap or cap transaction reaches its scheduled termination date, there is a risk that the Fund will not be able to obtain a replacement transaction or that the terms of the replacement will not be as favorable as on the expiring transaction. If this occurs, the transaction could have a negative impact on the performance of the common shares.

The Fund may choose or be required to redeem some or all preferred shares or prepay any borrowings. This redemption would likely result in the Fund seeking to terminate early all or a portion of any swap or cap transaction. Such early termination of a swap could result in a termination payment by or to the Fund. An early termination of a cap could result in a termination payment to the Fund.

RISK FACTORS

GENERAL. The Fund is a newly organized, diversified, closed-end management investment company designed primarily as a long-term investment and not as a trading tool. The Fund invests in a globally diversified portfolio of common and preferred stocks and income-producing securities such as investment grade and below investment grade debt securities. An investment in the Fund's common shares may be speculative and it involves a high degree of risk. The Fund should not constitute a complete investment program. Due to the uncertainty in all investments, there can be no assurance that the Fund will achieve its investment objective.

NO OPERATING HISTORY. The Fund has no operating history and its shares have no history of public trading.

MARKET PRICE OF SHARES. Shares of closed-end funds frequently trade at a market price that is below their net asset value. This is commonly referred to as "trading at a discount." This characteristic of shares of closed-end funds is a risk separate and distinct from the risk that the Fund's net asset value may decrease. Investors who sell their shares within a relatively short period after completion of the public offering are likely to be exposed to this risk. Accordingly, the Fund is designed primarily for long-term investors and should not be considered a vehicle for trading purposes. Net asset value will be reduced following the offering by the sales load and the amount of organizational and offering expenses paid by the Fund and immediately following any offering of preferred shares by the costs of that offering paid by the Fund.

Whether investors will realize a gain or loss upon the sale of the Fund's common shares will depend upon whether the market value of the shares at the time of sale is above or below the price the investor

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paid, taking into account transaction costs, for the shares and is not directly dependent upon the Fund's net asset value. Because the market value of the Fund's shares will be determined by factors such as the relative demand for and supply of the shares in the market, general market conditions and other factors beyond the control of the Fund, the Fund cannot predict whether its common shares will trade at, below or above net asset value, or below or above the initial offering price for the shares.

FOREIGN SECURITIES RISK. Investments in non-U.S. issuers may involve unique risks compared to investing in securities of U.S. issuers. These risks are more pronounced to the extent that the Fund invests a significant portion of its non- U.S. investments in one region or in the securities of emerging market issuers. These risks may include:

- less information about non-U.S. issuers or markets may be available due to less rigorous disclosure or accounting standards or regulatory practices;

- many non-U.S. markets are smaller, less liquid and more volatile. In a changing market, Calamos may not be able to sell the Fund's portfolio securities at times, in amounts and at prices it considers reasonable;

- the adverse effect of currency exchange rates or controls on the value of the Fund's investments;

- the economies of non-U.S. countries may grow at slower rates than expected or may experience a downturn or recession;

- economic, political and social developments may adversely affect the securities markets, including expropriation and nationalization;

- the difficulty in obtaining or enforcing a court judgment in non-U.S. countries;

- restrictions on foreign investments in non-U.S. jurisdictions;

- difficulties in effecting the repatriation of capital invested in non-U.S. countries; and

- withholding and other non-U.S. taxes may decrease the Fund's return.

There may be less publicly available information about non-U.S. markets and issuers than is available with respect to U.S. securities and issuers. Non-U.S. companies generally are not subject to accounting, auditing and financial reporting standards, practices and requirements comparable to those applicable to U.S. companies. The trading markets for most non-U.S. securities are generally less liquid and subject to greater price volatility than the markets for comparable securities in the United States. The markets for securities in certain emerging markets are in the earliest stages of their development. Even the markets for relatively widely traded securities in certain non-U.S. markets, including emerging market countries, may not be able to absorb, without price disruptions, a significant increase in trading volume or trades of a size customarily undertaken by institutional investors in the United States.

Additionally, market making and arbitrage activities are generally less extensive in such markets, which may contribute to increased volatility and reduced liquidity.

Economies and social and political conditions in individual countries may differ unfavorably from the United States. Non-U.S. economies may have less favorable rates of growth of gross domestic product, rates of inflation, currency valuation, capital reinvestment, resource self-sufficiency and balance of payments positions. Many countries have experienced substantial, and in some cases extremely high, rates of inflation for many years. Inflation and rapid fluctuations in inflation rates have had, and may continue to have, very negative effects on the economies and securities markets of certain emerging market countries. Unanticipated political or social developments may also affect the values of the Fund's investments and the availability to the Fund of additional investments in such countries.

CURRENCY RISK. The value of the securities denominated or quoted in foreign currencies may be adversely affected by fluctuations in the relative currency exchange rates and by exchange control regulations. The Fund's investment performance may be negatively affected by a devaluation of a currency in which the Fund's investments are denominated or quoted. Further, the Fund's investment performance

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may be significantly affected, either positively or negatively, by currency exchange rates because the U.S. dollar value of securities denominated or quoted in another currency will increase or decrease in response to changes in the value of such currency in relation to the U.S. dollar.

CONVERTIBLE SECURITIES RISK. The value of a convertible security is influenced by both the yield of non-convertible securities of comparable issuers and by the value of the underlying common stock. The value of a convertible security viewed without regard to its conversion feature (i.e., strictly on the basis of its yield) is sometimes referred to as its "investment value." A convertible security's investment value tends to decline as prevailing interest rate levels increase. Conversely, a convertible security's investment value increases as prevailing interest rate levels decline.

However, a convertible security's market value will also be influenced by its "conversion price," which is the market value of the underlying common stock that would be obtained if the convertible security were converted. A convertible security's conversion price tends to increase as the price of the underlying common stock increases, and decrease as the price of the underlying common stock decreases. As the market price of the underlying common stock declines such that the conversion price is substantially below the investment value of the convertible security, the price of the convertible security tends to be influenced more by the yield of the convertible security. Thus, the convertible security may not decline in price to the same extent as the underlying common stock. If the market price of the underlying common stock increases to a point where the conversion value approximates or exceeds the investment value, the price of the convertible security tends to be influenced more by the market price of the underlying common stock. In the event of a liquidation of the issuing company, holders of convertible securities would be paid before the company's common stockholders. Consequently, an issuer's convertible securities generally entail less risk than its common stock.

SYNTHETIC CONVERTIBLE SECURITIES RISK. The value of a synthetic convertible security may respond differently to market fluctuations than a convertible security because a synthetic convertible is composed of two or more separate securities, each with its own market value. In addition, if the value of the underlying common stock or the level of the index involved in the convertible component falls below the exercise price of the warrant or option, the warrant or option may lose all value.

CONVERTIBLE HEDGING/SHORT SALES RISK. The Fund may incur a loss (without limit) as a result of a short sale if the market value of the borrowed security increases between the date of the short sale and the date the Fund replaces the security. The Fund may be unable to repurchase the borrowed security at a particular time or at an acceptable price. If the market price of the common stock issuable upon exercise of a convertible security increases above the conversion price on the convertible security, the price of the convertible security will increase. The Fund's increased liability on the short position would, in whole or in part, reduce this gain. If the price of the common stock declines, any decline in the price of the convertible security would offset, in whole or in part, the Fund's gain on the short position. The use of short sales could increase the Fund's exposure to the market, magnify losses and increase the volatility of returns.

LEVERAGE RISK. Leverage creates risks which may adversely affect the return for the holders of common shares, including:

- the likelihood of greater volatility of net asset value and market price of common shares;

- fluctuations in the dividend rates on any preferred shares or in interest rates on borrowings and debt securities;

- increased operating costs, which may reduce the Fund's total return; and

- the potential for a decline in the value of an investment acquired with borrowed funds, while the Fund's obligations under such borrowing remain fixed.

Leverage is a speculative technique that could adversely affect the returns to common shareholders. Leverage can cause the Fund to lose money and can magnify the effect of any losses. The Fund's use of leverage is premised upon the expectation that the Fund's leverage costs will be lower than the return the Fund achieves on its investments with the proceeds of the issuance of preferred shares, borrowing or issuance of debt securities. Such difference in return may result from the Fund's higher credit rating or the short-term nature of its borrowing compared to the long-term nature of its investments. If the total assets

34

of the Fund (including the assets obtained from leverage) are invested in the higher yielding portfolio investments or portfolio investments with the potential for capital appreciation, the holders of common shares will be the beneficiaries of any incremental return. If the differential between the underlying assets and cost of leverage narrows, the incremental return "pick up" will be reduced. Furthermore, if long-term interest rates rise or the Fund otherwise incurs losses on its investments, the Fund's net asset value attributable to its common shares will reflect the resulting decline in the value of portfolio holdings.

To the extent the income or capital appreciation derived from securities purchased with funds received from leverage exceeds the cost of leverage, the Fund's return will be greater than if leverage had not been used. Conversely, if the income or capital appreciation from the securities purchased with such proceeds is not sufficient to cover the cost of leverage or if the Fund incurs capital losses, the return of the Fund will be less than if leverage had not been used, and therefore the amount available for distribution to common shareholders as dividends and other distributions will be reduced or potentially eliminated. Common shareholders bear the cost of any leverage.

If the Fund's ability to make distributions on its common shares is limited, such limitation could, under certain circumstances, impair the ability of the Fund to maintain its qualification for taxation as a regulated investment company, which would have adverse tax consequences for common shareholders. To the extent that the Fund is required, in connection with maintaining 1940 Act asset coverage requirements or otherwise, or elects to redeem any preferred shares or prepay any borrowings, the Fund may need to liquidate investments to fund such redemptions or prepayments. Liquidation at times of adverse economic conditions may result in capital loss and reduce returns to common shareholders.

Because Calamos' investment management fee is a percentage of the Fund's managed assets, Calamos' fee will be higher if the Fund is leveraged and Calamos will have an incentive to be more aggressive and leverage the Fund.

HIGH-YIELD SECURITIES RISK. Investment in high yield securities involves substantial risk of loss. Below investment grade non-convertible debt securities or comparable unrated securities are commonly referred to as "junk bonds" and are considered predominantly speculative with respect to the issuer's ability to pay interest and principal and are susceptible to default or decline in market value due to adverse economic and business developments. The market values for high yield securities tend to be very volatile, and those securities are less liquid than investment grade debt securities. For these reasons, your investment in the Fund is subject to the following specific risks:

- increased price sensitivity to changing interest rates and to a deteriorating economic environment;

- greater risk of loss due to default or declining credit quality;

- adverse company specific events are more likely to render the issuer unable to make interest and/or principal payments; and

- if a negative perception of the high yield market develops, the price and liquidity of high yield securities may be depressed. This negative perception could last for a significant period of time.

Securities rated below investment grade are speculative with respect to the capacity of the issuer to pay interest and repay principal in accordance with the terms of such securities. See the Statement of Additional Information for a description of Moody's and Standard & Poor's ratings.

Adverse changes in economic conditions are more likely to lead to a weakened capacity of a high yield issuer to make principal payments and interest payments than of an investment grade issuer. The principal amount of high yield securities outstanding has proliferated in the past decade as an increasing number of issuers have used high yield securities for corporate financing. An economic downturn could severely affect the ability of highly leveraged issuers to service their debt obligations or to repay their obligations upon maturity. Similarly, downturns in profitability in specific industries could adversely affect the ability of high yield issuers in those industries to meet their obligations. The market values of lower quality debt securities tend to reflect individual developments of the issuer to a greater extent than do higher quality securities, which react primarily to fluctuations in the general level of interest rates. Factors having an adverse impact on the market value of lower quality securities may have an adverse effect on the Fund's net asset value and

35

the market value of its common shares. In addition, the Fund may incur additional expenses to the extent it is required to seek recovery upon a default in payment of principal or interest on its portfolio holdings. In certain circumstances, the Fund may be required to foreclose on an issuer's assets and take possession of its property or operations. In such circumstances, the Fund would incur additional costs in disposing of such assets and potential liabilities from operating any business acquired.

The secondary market for high yield securities may not be as liquid as the secondary market for more highly rated securities, a factor which may have an adverse effect on the Fund's ability to dispose of a particular security. There are fewer dealers in the market for high yield securities than for investment grade obligations. The prices quoted by different dealers may vary significantly and the spread between the bid and asked price is generally much larger than for higher quality instruments. Under adverse market or economic conditions, the secondary market for high yield securities could contract further, independent of any specific adverse changes in the condition of a particular issuer, and these instruments may become illiquid. As a result, the Fund could find it more difficult to sell these securities or may be able to sell the securities only at prices lower than if such securities were widely traded. Prices realized upon the sale of such lower rated or unrated securities, under these circumstances, may be less than the prices used in calculating the Fund's net asset value.

Because investors generally perceive that there are greater risks associated with lower quality debt securities of the type in which the Fund may invest a portion of its assets, the yields and prices of such securities may tend to fluctuate more than those for higher rated securities. In the lower quality segments of the debt securities market, changes in perceptions of issuers' creditworthiness tend to occur more frequently and in a more pronounced manner than do changes in higher quality segments of the debt securities market, resulting in greater yield and price volatility.

RISKS ASSOCIATED WITH OPTIONS. There are several risks associated with transactions in options. For example, there are significant differences between the securities markets, the currency markets and the options markets that could result in an imperfect correlation among these markets, causing a given transaction not to achieve its objectives. A decision as to whether, when and how to use options involves the exercise of skill and judgment, and even a well- conceived transaction may be unsuccessful to some degree because of market behavior or unexpected events. As the Fund writes covered calls over more of its portfolio, its ability to benefit from capital appreciation becomes more limited and the risk of net asset value erosion increases. If the Fund experiences net asset value erosion, which itself may have an indirect negative effect on the market price of the Fund's shares, the Fund will have a reduced asset base over which to write covered calls, which may eventually lead to reduced distributions to shareholders. The ability of the Fund to utilize options successfully will depend on Calamos' ability to predict pertinent market investments, which cannot be assured.

The Fund's ability to close out its position as a purchaser or seller of an OCC or exchange listed put or call option is dependent, in part, upon the liquidity of the option market. Among the possible reasons for the absence of a liquid option market on an exchange are: (i) insufficient trading interest in certain options; (ii) restrictions on transactions imposed by an exchange; (iii) trading halts, suspensions or other restrictions imposed with respect to particular classes or series of options or underlying securities, including reaching daily price limits; (iv) interruption of the normal operations of the OCC or an exchange; (v) inadequacy of the facilities of an exchange or the OCC to handle current trading volume; or (vi) a decision by one or more exchanges to discontinue the trading of options (or a particular class or series of options), in which event the relevant market for that option on that exchange would cease to exist, although outstanding options on that exchange would generally continue to be exercisable in accordance with their terms. If the Fund were unable to close out an option that it has purchased on a security, it would have to exercise the option in order to realize any profit or the option would expire and become worthless. If the Fund were unable to close out a covered call option that it had written on a security, it would not be able to sell the underlying security until the option expired. As the writer of a covered call option on a security, the Fund foregoes, during the option's life, the opportunity to profit from increases in the market value of the security covering the call option above the sum of the premium and the exercise

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price of the call. As the writer of a covered call option on a foreign currency, the Fund foregoes, during the option's life, the opportunity to profit from currency appreciation.

The hours of trading for listed options may not coincide with the hours during which the underlying financial instruments are traded. To the extent that the option markets close before the markets for the underlying financial instruments, significant price and rate movements can take place in the underlying markets that would not have been reflected in the option markets at their closing.

Unless the parties provide for it, there is no central clearing or guaranty function in an OTC option. As a result, if the Counterparty (as described above under "Options on Securities, Indexes and Currencies") fails to make or take delivery of the security, currency or other instrument underlying an OTC option it has entered into with a fund or fails to make a cash settlement payment due in accordance with the terms of that option, a fund will lose any premium it paid for the option as well as any anticipated benefit of the transaction. Accordingly, Calamos must assess the creditworthiness of each such Counterparty or any guarantor or credit enhancement of the Counterparty's credit to determine the likelihood that the terms of the OTC option will be satisfied. The Fund will engage in OTC option transactions only with U.S. government securities dealers recognized by the Federal Reserve Bank of New York as "primary dealers" or broker/dealers, domestic or foreign banks or other financial institutions which have received (or the guarantors of the obligation of which have received) a short-term credit rating of A-1 from S&P or P-1 from Moody's or an equivalent rating from any nationally recognized statistical rating organization ("NRSRO") or, in the case of OTC currency transactions, are determined to be of equivalent credit quality by Calamos.

The Fund may purchase and sell call options on securities indices and currencies. All calls sold by the Fund must be "covered." Even though the Fund will receive the option premium to help protect it against loss, a call sold by the Fund exposes the Fund during the term of the option to possible loss of opportunity to realize appreciation in the market price of the underlying security or instrument and may require the Fund to hold a security or instrument which it might otherwise have sold. The Fund may purchase and sell put options on securities indices and currencies. In selling put options, there is a risk that the Fund may be required to buy the underlying security at a disadvantageous price above the market price.

EQUITY SECURITIES RISK. Equity investments are subject to greater fluctuations in market value than many other asset classes as a result of such factors as the issuer's business performance, investor perceptions, stock market trends and general economic conditions. Equity securities are subordinated to bonds and other debt instruments in a company's capital structure in terms of priority to corporate income and liquidation payments.

SWAPS AND RELATED SWAP PRODUCTS RISK. Swap agreements are two-party contracts entered into primarily by institutional counterparties for periods ranging from a few weeks to several years. In a standard swap transaction, two parties agree to exchange the returns (or differentials in rates of return) that would be earned or realized on specified notional investments or instruments. The gross returns to be exchanged or "swapped" between the parties are calculated by reference to a "notional amount," i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate, in a particular foreign currency or commodity, or in a "basket" of securities representing a particular index. The purchaser of an interest rate cap or floor, upon payment of a fee, has the right to receive payments (and the seller of the cap or floor is obligated to make payments) to the extent a specified interest rate exceeds (in the case of a cap) or is less than (in the case of a floor) a specified level over a specified period of time or at specified dates. The purchaser of an interest rate collar, upon payment of a fee, has the right to receive payments (and the seller of the collar is obligated to make payments) to the extent that a specified interest rate falls outside an agreed upon range over a specified period of time or at specified dates. The purchaser of an option on an interest rate swap, upon payment of a fee (either at the time of purchase or in the form of higher payments or lower receipts within an interest rate swap transaction) has the right, but not the obligation, to initiate a new swap transaction of a pre-specified notional amount with pre-specified terms with the seller of the option as the counterparty. The "notional amount" of a swap transaction is the agreed upon basis for calculating the payments that the parties have agreed to exchange. For example, one swap counterparty may agree to pay a floating rate of interest (e.g., 3 month LIBOR)

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calculated based on a $10 million notional amount on a quarterly basis in exchange for receipt of payments calculated based on the same notional amount and a fixed rate of interest on a semi-annual basis. In the event the Fund is obligated to make payments more frequently than it receives payments from the other party, it will incur incremental credit exposure to that swap counterparty. This risk may be mitigated somewhat by the use of swap agreements which call for a net payment to be made by the party with the larger payment obligation when the obligations of the parties fall due on the same date. Under most swap agreements entered into by the Fund, payments by the parties will be exchanged on a "net basis", and the Fund will receive or pay, as the case may be, only the net amount of the two payments.

The amount of the Fund's potential gain or loss on any swap transaction is not subject to any fixed limit. Nor is there any fixed limit on the Fund's potential loss if it sells a cap or collar. If the Fund buys a cap, floor or collar, however, the Fund's potential loss is limited to the amount of the fee that it has paid. When measured against the initial amount of cash required to initiate the transaction, which is typically zero in the case of most conventional swap transactions, swaps, caps, floors and collars tend to be more volatile than many other types of instruments.

The use of swap transactions, caps, floors and collars involves investment techniques and risks that are different from those associated with portfolio security transactions. If Calamos is incorrect in its forecasts of market values, interest rates, and other applicable factors, the investment performance of the Fund will be less favorable than if those techniques had not been used. Those instruments are typically not traded on exchanges. Accordingly, there is a risk that the other party to certain of these instruments will not perform its obligations to the Fund or that the Fund may be unable to enter into offsetting positions to terminate its exposure or liquidate its position under certain of these instruments when it wishes to do so. Such occurrences could result in losses to the Fund.

Calamos will consider such risks and will enter into swap and other derivatives transactions only when it believes that the risks are not unreasonable. The Fund will earmark and reserve the Fund assets, in cash or liquid securities, in an amount sufficient at all times to cover its current obligations under its swap transactions, caps, floors and collars. If the Fund enters into a swap agreement on a net basis, it will earmark and reserve assets with a daily value at least equal to the excess, if any, of the Fund's accrued obligations under the swap agreement over the accrued amount the Fund is entitled to receive under the agreement. If the Fund enters into a swap agreement on other than a net basis, or sells a cap, floor or collar, it will earmark and reserve assets with a daily value at least equal to the full amount of the Fund's accrued obligations under the agreement. The Fund will not enter into any swap transaction, cap, floor, or collar, unless the counterparty to the transaction is deemed creditworthy by Calamos. If a counterparty defaults, the Fund may have contractual remedies pursuant to the agreements related to the transaction. The swap markets in which many types of swap transactions are traded have grown substantially in recent years, with a large number of banks and investment banking firms acting both as principals and as agents utilizing standardized swap documentation. As a result, the markets for certain types of swaps (e.g., interest rate swaps) have become relatively liquid. The markets for some types of caps, floors and collars are less liquid. The liquidity of swap transactions, caps, floors and collars will be as set forth in guidelines established by Calamos and approved by the Trustees which are based on various factors, including: (1) the availability of dealer quotations and the estimated transaction volume for the instrument, (2) the number of dealers and end users for the instrument in the marketplace, (3) the level of market making by dealers in the type of instrument, (4) the nature of the instrument (including any right of a party to terminate it on demand) and (5) the nature of the marketplace for trades (including the ability to assign or offset the Fund's rights and obligations relating to the instrument). Such determination will govern whether the instrument will be deemed within the applicable liquidity restriction on investments in securities that are not readily marketable.

During the term of a swap, cap, floor or collar, changes in the value of the instrument are recognized as unrealized gains or losses by marking to market to reflect the market value of the instrument. When the instrument is terminated, the Fund will record a realized gain or loss equal to the difference, if any, between the proceeds from (or cost of) the closing transaction and the Fund's basis in the contract. The

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federal income tax treatment with respect to swap transactions, caps, floors, and collars may impose limitations on the extent to which the Fund may engage in such transactions.

CREDIT DEFAULT SWAPS RISK. Credit default swaps based on baskets or indices (e.g., CDX Index) may require initial premium (discount) payments as well as periodic payments (receipts) related to the interest leg of the swap or to the default of a reference obligation.

If the Fund is a seller of a CDS contract or index, the Fund would be required to pay the par (or other agreed upon) value of a referenced debt obligation to the counterparty in the event of a default or other credit event by the reference issuer, such as a U.S. or foreign corporate issuer, with respect to such debt obligations. In return, the Fund would receive from the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the Fund would keep the stream of payments and would have no payment obligations. As the seller, the Fund would be subject to investment exposure on the notional amount of the swap.

If the Fund is a buyer of a CDS contract or index, in the event of a default or other credit event (such as a credit downgrade) by the reference issuer, such as a U.S. or foreign corporation, with respect to its debt obligations, the Fund would have the right to deliver a referenced debt obligation and receive the par (or other agreed-upon) value of such debt obligation from the counterparty. In return, the Fund would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the counterparty would keep the stream of payments and would have no further obligations to the Fund.

The use of CDS contracts or indices, like all swap agreements, is subject to certain risks. If a counterparty's creditworthiness declines, the value of the swap would likely decline. Moreover, there is no guarantee that the Fund could eliminate its exposure under an outstanding swap agreement by entering into an offsetting swap agreement with the same or another party.

INTEREST RATE RISK. Fixed income securities, including high yield securities, are subject to certain common risks, including:

- if interest rates go up, the value of debt securities in the Fund's portfolio generally will decline;

- during periods of declining interest rates, the issuer of a security may exercise its option to prepay principal earlier than scheduled, forcing the Fund to reinvest in lower yielding securities. This is known as call or prepayment risk. Debt securities frequently have call features that allow the issuer to repurchase the securities prior to their stated maturity. An issuer may redeem an obligation if the issuer can refinance the debt at a lower cost due to declining interest rates or an improvement in the credit standing of the issuer;

- during periods of rising interest rates, the average life of certain types of securities may be extended because of slower than expected principal payments. This may lock in a below market interest rate, increase the security's duration (the estimated period until the security is paid in full) and reduce the value of the security. This is known as extension risk; and

- market interest rates currently are at historically low levels.

DEFAULT RISK. Default risk refers to the risk that a company who issues a debt security will be unable to fulfill its obligations to repay principal and interest. The lower a debt security is rated, the greater its default risk.

ILLIQUID INVESTMENTS RISK. Illiquid securities may be difficult to dispose of at a fair price at the times when the Fund believes it is desirable to do so. Investment of the Fund's assets in illiquid securities may restrict the Fund's ability to take advantage of market opportunities. The market price of illiquid securities generally is more volatile than that of more liquid securities, which may adversely affect the price that the Fund pays for or recovers upon the sale of illiquid securities. Illiquid securities are also more difficult to value and Calamos' judgment may play a greater role in the valuation process. The risks associated with illiquid securities may be particularly acute in situations in which the Fund's operations require cash and could result in the Fund borrowing to meet its short-term needs or incurring losses on the sale of illiquid securities.

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INTEREST RATE TRANSACTIONS RISK. The Fund may enter into an interest rate swap or cap transaction to attempt to protect itself from increasing dividend or interest expenses on its preferred shares, debt securities or other borrowings resulting from increasing short-term interest rates and to hedge its portfolio securities. A decline in interest rates may result in a decline in the value of the swap or cap, which may result in a decline in the net asset value of the Fund.

Depending on the state of interest rates in general, the Fund's use of interest rate swap or cap transactions could enhance or harm the overall performance of the common shares. To the extent there is a decline in interest rates, the value of the interest rate swap or cap could decline, and could result in a decline in the net asset value of the common shares. In addition, if the counterparty to an interest rate swap or cap defaults, the Fund would not be able to use the anticipated net receipts under the swap or cap to offset the dividend or interest payments on the Fund's leverage.

Depending on whether the Fund would be entitled to receive net payments from the counterparty on the swap or cap, which in turn would depend on the general state of short-term interest rates at that point in time, such a default could negatively impact the performance of the common shares. In addition, at the time an interest rate swap or cap transaction reaches its scheduled termination date, there is a risk that the Fund would not be able to obtain a replacement transaction or that the terms of the replacement would not be as favorable as on the expiring transaction. If either of these events occurs, it could have a negative impact on the performance of the common shares.

If the Fund fails to maintain a required 200% asset coverage of the liquidation value of the outstanding preferred shares or if the Fund loses its expected rating on its preferred shares or fails to maintain other covenants with respect to its preferred shares, the Fund may be required to redeem some or all of the preferred shares. Similarly, the Fund could be required to prepay the principal amount of any debt securities or other borrowings. Such redemption or prepayment would likely result in the Fund seeking to terminate early all or a portion of any swap or cap transaction. Early termination of a swap could result in a termination payment by or to the Fund. Early termination of a cap could result in a termination payment to the Fund. The Fund intends to maintain in a segregated account with its custodian cash or liquid securities having a value at least equal to the Fund's net payment obligations under any swap transaction, marked-to-market daily.

TAX RISK. The Fund may invest in certain securities, such as certain convertible securities, for which the federal income tax treatment may not be clear or may be subject to recharacterization by the Internal Revenue Service. It could be more difficult for the Fund to comply with the tax requirements applicable to regulated investment companies if the tax characterization of the Fund's investments or the tax treatment of the income from such investments were successfully challenged by the Internal Revenue Service. See "U.S. Federal Income Tax Matters."

MANAGEMENT RISK. Calamos' judgment about the attractiveness, relative value or potential appreciation of a particular sector, security or investment strategy may prove to be incorrect.

ANTITAKEOVER PROVISIONS. The Fund's Agreement and Declaration of Trust and By-laws include provisions that could limit the ability of other entities or persons to acquire control of the Fund or to change the composition of its Board of Trustees. Such provisions could limit the ability of shareholders to sell their shares at a premium over prevailing market prices by discouraging a third party from seeking to obtain control of the Fund. These provisions include staggered terms of office for the Trustees, advance notice requirements for shareholder proposals, and super-majority voting requirements for certain transactions with affiliates, converting the Fund to an open-end investment company or a merger, asset sale or similar transaction. Holders of preferred shares will have voting rights in addition to and separate from the voting rights of common shareholders with respect to certain of these matters. See "Description of Shares -- Preferred Shares" and "Certain Provisions of the Agreement and Declaration of Trust and By-Laws." The holders of preferred shares, on the one hand, and the holders of the common shares, on the other, may have interests that conflict in these situations.

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MARKET DISRUPTION RISK. Certain events have a disruptive effect on the securities markets, such as terrorist attacks, war and other geopolitical events, earthquakes, storms and other disasters. The Fund cannot predict the effects of similar events in the future on the U.S. economy or any foreign economy.

MANAGEMENT OF THE FUND

TRUSTEES AND OFFICERS

The Fund's Board of Trustees provides broad supervision over the affairs of the Fund. The officers of the Fund are responsible for the Fund's operations. Currently, there are seven Trustees of the Fund, one of whom is an "interested person" of the Trust (as defined in the 1940 Act) and six of whom are not "interested persons." The names and business addresses of the trustees and officers of the Fund and their principal occupations and other affiliations during the past five years are set forth under "Management of the Fund" in the Statement of Additional Information.

INVESTMENT ADVISER

The Fund's investments are managed by Calamos, 2020 Calamos Court, Naperville, IL. As of April 30, 2007, Calamos managed approximately $43.0 billion in assets of individuals and institutions. Calamos is a wholly-owned subsidiary of Holdings and an indirect subsidiary of Calamos Asset Management, Inc., a publicly-traded holding company.

INVESTMENT MANAGEMENT AGREEMENT

Subject to the overall authority of the Board of Trustees, Calamos regularly provides the Fund with investment research, advice and supervision and furnishes continuously an investment program for the Fund. In addition, Calamos furnishes for use of the Fund such office space and facilities as the Fund may require for its reasonable needs, supervises the business and affairs of the Fund and provides the following other services on behalf of the Fund and not provided by persons not a party to the investment management agreement: (a) preparing or assisting in the preparation of reports to and meeting materials for the Trustees; (b) supervising, negotiating contractual arrangements with, to the extent appropriate, and monitoring the performance of, accounting agents, custodians, depositories, transfer agents and pricing agents, accountants, attorneys, printers, underwriters, brokers and dealers, insurers and other persons in any capacity deemed to be necessary or desirable to Fund operations;
(c) assisting in the preparation and making of filings with the Commission and other regulatory and self-regulatory organizations, including, but not limited to, preliminary and definitive proxy materials, registration statements on Form N-2, and amendments thereto, and semi-annual reports on Form N-SAR and Form N- CSR; (d) overseeing the tabulation of proxies by the Fund's transfer agent; (e) assisting in the preparation and filing of the Fund's federal, state and local tax returns; (f) assisting in the preparation and filing of the Fund's federal excise tax return pursuant to Section 4982 of the Internal Revenue Code of 1986, as amended; (g) providing assistance with investor and public relations matters;
(h) monitoring the valuation of portfolio securities and the calculation of net asset value; (i) monitoring the registration of shares of beneficial interest of the Fund under applicable federal and state securities laws; (j) maintaining or causing to be maintained for the Fund all books, records and reports and any other information required under the 1940 Act, to the extent that such books, records and reports and other information are not maintained by the Fund's custodian or other agents of the Fund; (k) assisting in establishing the accounting policies of the Fund; (l) assisting in the resolution of accounting issues that may arise with respect to the Fund's operations and consulting with the Fund's independent accountants, legal counsel and the Fund's other agents as necessary in connection therewith; (m) reviewing the Fund's bills; (n) assisting the Fund in determining the amount of dividends and distributions available to be paid by the Fund to its shareholders, preparing and arranging for the printing of dividend notices to shareholders, and providing the transfer and dividend paying agent, the custodian, and the accounting agent with such information as is required for such parties to effect the payment of dividends and distributions; and (o) otherwise assisting the Fund as it may reasonably request in the conduct of the Fund's business, subject to the direction and control of the Trustees.

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Under the investment management agreement, the Fund will pay to Calamos a fee based on the average weekly managed assets that is computed weekly and paid on a monthly basis. The fee paid by the Fund is at the annual rate of 1.00% of average weekly managed assets. "Managed assets" means the total assets of the Fund (including any assets attributable to any leverage that may be outstanding) minus the sum of accrued liabilities (other than debt representing financial leverage). Because the fees paid to Calamos are determined on the basis of the Fund's managed assets, the amount of the management fees paid to Calamos if the Fund uses leverage would be higher than if the Fund did not use leverage. Therefore, Calamos has a financial incentive to use leverage, which would create a conflict of interest between Calamos and the Fund's common shareholders.

Under the terms of its investment management agreement, except for the services and facilities provided by Calamos as set forth therein, the Fund shall assume and pay all expenses for all other Fund operations and activities and shall reimburse Calamos for any such expenses incurred by Calamos. The expenses borne by the Fund shall include, without limitation: (a) organization expenses of the Fund (including out-of-pocket expenses, but not including Calamos' overhead or employee costs), unless otherwise reimbursed or paid by Calamos; (b) fees payable to Calamos; (c) legal expenses; (d) auditing and accounting expenses; (e) maintenance of books and records that are required to be maintained by the Fund's custodian or other agents of the Fund; (f) telephone, telex, facsimile, postage and other communications expenses; (g) taxes and governmental fees; (h) fees, dues and expenses incurred by the Fund in connection with membership in investment company trade organizations and the expense of attendance at professional meetings of such organizations; (i) fees and expenses of accounting agents, custodians, sub-custodians, transfer agents, dividend disbursing agents and registrars; (j) payment for portfolio pricing or valuation services to pricing agents, accountants, bankers and other specialists, if any; (k) expenses of preparing share certificates; (l) expenses in connection with the issuance, offering, distribution, sale, redemption or repurchase of securities issued by the Fund; (m) expenses relating to investor and public relations provided by parties other than Calamos; (n) expenses and fees of registering or qualifying shares of beneficial interest of the Fund for sale; (o) interest charges, bond premiums and other insurance expenses; (p) freight, insurance and other charges in connection with the shipment of the Fund's portfolio securities; (q) the compensation and all expenses (specifically including travel expenses relating to Fund business) of Trustees, officers and employees of the Fund who are not affiliated persons of Calamos; (r) brokerage commissions or other costs of acquiring or disposing of any portfolio securities of the Fund; (s) expenses of printing and distributing reports, notices and dividends to shareholders; (t) expenses of preparing and setting in type, printing and mailing prospectuses and statements of additional information of the Fund and supplements thereto; (u) costs of stationery; (v) any litigation expenses; (w) indemnification of Trustees and officers of the Fund; (x) costs of shareholders' and other meetings; (y) interest on borrowed money, if any; and
(z) the fees and other expenses of listing the Fund's shares on the New York Stock Exchange or any other national stock exchange.

PORTFOLIO MANAGER

Calamos employs a team approach to portfolio management, with teams led by the Co-Chief Investment Officers (the "Co-CIOs") and comprised generally of the Co-CIOs, senior strategy analysts, intermediate analysts and junior analysts. The Co-CIOs, directors and senior strategy analysts are supported by and lead a team of investment professionals whose valuable contributions create a synergy of expertise that can be applied across many different investment strategies.

Portfolio holdings are reviewed and trading activity is discussed on a regular basis by team members. Team members generally may make trading decisions guided by each respective Fund's investment objective and strategy.

While day-to-day management of each portfolio is a team effort, the Co-CIOs, along with the Director of Fixed Income and certain of the senior strategy analysts, have joint primary and supervisory responsibility for the Fund and work with all team members in developing and executing each respective portfolio's investment program. The Fund's portfolio investment program includes implementation of distinct strategies, including a fixed income approach which is led by the Director of Fixed Income of Calamos. All team leaders are further identified below.

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John P. Calamos, Sr., Co-CIO of Calamos, generally focuses on the top-down approach of diversification by industry sector and macro-level investment themes. Nick P. Calamos, Co-CIO of Calamos, also focuses on the top-down approach of diversification by industry sector and macro-level investment themes and, in addition, focuses on the bottom-up approach and corresponding research and analysis. Matthew Toms is Director of Fixed Income. John P. Calamos, Jr., John Hillenbrand, Steve Klouda, Jeff Scudieri and Jon Vacko are each senior strategy analysts.

During the past five years, John P. Calamos, Sr. has been chairman, CEO and Co-CIO of Calamos and its predecessor company. Nick P. Calamos has been Senior Executive Vice President and Co-CIO of Calamos and its predecessor company. Matthew Toms joined Calamos in March 2007 as Director of Fixed Income. John P. Calamos, Jr., Executive Vice President of Calamos, joined the firm in 1985 and has held various senior investment positions since that time. John Hillenbrand joined Calamos in 2002 and has been a senior strategy analyst since August 2002. Steve Klouda joined Calamos in 1994 and has been a senior strategy analyst since July 2002. Jeff Scudieri joined Calamos in 1997 and has been a senior strategy analyst since September 2002. Jon Vacko joined Calamos in 2000 and has been a senior strategy analyst since July 2002.

For over 20 years, the Calamos portfolio management team has managed money for their clients in convertible, high yield and global strategies. Furthermore, Calamos has extensive experience investing in foreign markets through its convertible securities and high yield securities strategies. Such experience has included investments in established as well as emerging foreign markets. The Fund's Statement of Additional Information provides additional information about the team leaders, including other accounts they manage, their ownership in the Calamos Family of Funds and their compensation.

FUND ACCOUNTANT

Under the arrangements with State Street to provide fund accounting services, State Street provides certain administrative and accounting services to the Fund and such other funds advised by Calamos that may be part of those arrangements (the Fund and such other funds are collectively referred to as the "Calamos Funds") as described more fully in the Statement of Additional Information. For the services rendered to the Calamos Funds, State Street receives fees based on the combined managed assets of the Calamos Funds ("Combined Assets"). Each fund of the Calamos Funds pays its pro-rata share of the fees payable to State Street described below based on relative managed assets of each fund. State Street receives a fee at the annual rate of .009% for the first $5.0 billion of Combined Assets, .0075% for the next $5.0 billion of Combined Assets, .005% for the next $5.0 billion of Combined Assets and .0035% for the Combined Assets in excess of $15.0 billion. Because the fees payable to State Street are based on the managed assets of the Calamos Funds, the fees increase as the Calamos Funds increase their leverage.

In addition, Calamos also provides certain other financial accounting services to the Calamos Funds described more fully in the statement of additional information. For providing those services, Calamos receives a fee at the annual rate of .0175% on the first $1 billion of the Combined Assets of the Calamos Funds; .0150% on the next $1 billion of the Combined Assets of the Calamos Funds; and .0110% on the Combined Assets of the Calamos Funds above $2 billion ("financial accounting service fee"). Each fund of the Calamos Funds will pay its pro-rata share of the financial accounting service fee to Calamos based on the Combined Assets of the fund.

DIVIDENDS AND DISTRIBUTIONS;
AUTOMATIC DIVIDEND REINVESTMENT PLAN

DIVIDENDS AND DISTRIBUTIONS

Subject to the determination of the Board of Trustees to implement a Managed Dividend Policy, as described below, commencing with the first dividend, the Fund intends to distribute all or a portion of its net investment income monthly to holders of common shares. The Fund expects to declare the initial monthly dividend on the common shares within approximately 45-60 days of the completion of this offering and to pay that initial monthly dividend approximately 60-90 days after the completion of this

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offering. The Fund may at times, and in its discretion, pay out less than the entire amount of net investment income earned in any particular period and may at times pay out such accumulated undistributed income in addition to net investment income earned in other periods in order to permit the Fund to maintain a more stable level of distributions. As a result, the dividend paid by the Fund to holders of common shares for any particular period may be more or less than the amount of net investment income earned by the Fund during such period. The Fund is not required to maintain a stable level of distributions to shareholders. For federal income tax purposes, the Fund is required to distribute substantially all of its net investment income each year both to reduce its federal income tax liability and to avoid a potential excise tax. The Fund intends to distribute all net realized capital gains, if any, at least annually.

In January 2004, Calamos, on behalf of itself and certain funds, filed an exemptive application with the Commission seeking an order under the 1940 Act facilitating the implementation of the Managed Dividend Policy. In March 2007, an amended and restated exemptive application was filed with the Commission. If, and when, Calamos, on behalf of itself and other parties, receives the requested relief, the Fund may, subject to the determination of its Board of Trustees, implement a Managed Dividend Policy.

Under a Managed Dividend Policy, the Fund would seek to distribute a monthly fixed percentage of net asset value to common shareholders. If, for any distribution, net investment income and net realized capital gains were less than the amount of the distribution, the differences would be distributed from the Fund's assets. In addition, in order to make such distributions, the Fund might have to sell a portion of its investment portfolio at a time when independent investment judgment might not dictate such action. The Fund's final distribution for each calendar year would include any remaining net investment income and net realized capital gains, if any, undistributed during the year.

If, for any calendar year, the Fund's total distributions exceeded its net investment income and net realized capital gains (the "Excess"), the Excess, distributed from the Fund's assets, would generally be treated as dividend income to the extent of the Fund's current and accumulated earnings and profits. Thereafter, such Excess would be treated as a tax-free return of capital to each common shareholder up to the amount of the shareholder's tax basis in his, her or its common shares, with any amounts exceeding such basis treated as gain from the sale of common shares. Pursuant to the requirements of the 1940 Act and other applicable laws, a notice would accompany each monthly distribution with respect to the estimated source of the distribution made.

In the event the Fund distributed such Excess, the distribution would decrease the Fund's total assets and, therefore, have the likely effect of increasing the Fund's expense ratio. There is a risk that the Fund would not eventually realize capital gains in an amount corresponding to a distribution of the Excess.

LIMITATIONS ON DISTRIBUTIONS

There is no guarantee that the Fund will receive an exemptive order facilitating the implementation of a Managed Dividend Policy or, if received, that the Board of Trustees will determine to implement a Managed Dividend Policy. The Board of Trustees reserves the right to change the dividend policy from time to time.

Under the 1940 Act, the Fund is not permitted to incur indebtedness unless immediately after such incurrence the Fund has an asset coverage of at least 300% of the aggregate outstanding principal balance of indebtedness. Additionally, under the 1940 Act, the Fund may not declare any dividend or other distribution upon any class of its capital shares, or purchase any such capital shares, unless the aggregate indebtedness of the Fund has, at the time of the declaration of any such dividend or distribution or at the time of any such purchase, an asset coverage of at least 300% after deducting the amount of such dividend, distribution, or purchase price, as the case may be.

While any preferred shares are outstanding, the Fund may not declare any cash dividend or other distribution on its common shares, unless at the time of such declaration, (1) all accumulated preferred dividends have been paid and (2) the net asset value of the Fund's portfolio (determined after deducting the amount of such dividend or other distribution) is at least 200% of the liquidation value of the outstanding preferred shares (expected to be equal to the original purchase price per share plus any accumulated and unpaid dividends thereon) plus the amount of senior securities representing indebtedness.

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In addition to the limitations imposed by the 1940 Act described above, certain lenders may impose additional restrictions on the payment of dividends or distributions on the common shares in the event of a default on the Fund's borrowings. If the Fund's ability to make distributions on its common shares is limited, such limitation could, under certain circumstances, impair the ability of the Fund to maintain its qualification for federal income taxation as a regulated investment company, which would have adverse tax consequences for shareholders. See "Leverage" and "U.S. Federal Income Tax Matters."

See -- "Automatic Dividend Reinvestment Plan" for information concerning the manner in which dividends and distributions to common shareholders may be automatically reinvested in common shares. Dividends and distributions are taxable to shareholders for federal income tax purposes whether they are reinvested in shares of the Fund or received in cash.

The yield on the Fund's common shares will vary from period to period depending on factors including, but not limited to, market conditions, the timing of the Fund's investment in portfolio securities, the securities comprising the Fund's portfolio, changes in interest rates including changes in the relationship between short-term rates and long-term rates, the amount and timing of the use of borrowings and other leverage by the Fund, the effects of leverage on the common shares discussed above under "Leverage," the timing of the investment of leverage proceeds in portfolio securities, the Fund's net assets and its operating expenses. Consequently, the Fund cannot guarantee any particular yield on its shares and the yield for any given period is not an indication or representation of future yields on the Fund's shares.

AUTOMATIC DIVIDEND REINVESTMENT PLAN

Pursuant to the Fund's Automatic Dividend Reinvestment Plan ("Plan"), unless a shareholder is ineligible or elects otherwise, all dividend and capital gains distributions are automatically reinvested by The Bank of New York, as agent for shareholders in administering the Plan ("Plan Agent"), in additional common shares of the Fund. Shareholders who elect not to participate in the Plan will receive all dividends and distributions payable in cash paid by check mailed directly to the shareholder of record (or, if the shares are held in street or other nominee name, then to such nominee) by The Bank of New York, as dividend paying agent. Such shareholders may elect not to participate in the Plan and to receive all dividends and distributions in cash by sending written instructions to The Bank of New York, as dividend paying agent, at the address set forth below. Participation in the Plan is completely voluntary and may be terminated or resumed at any time without penalty by giving notice in writing to the Plan Agent; such termination will be effective with respect to a particular dividend or distribution if notice is received prior to the record date for the applicable distribution.

Whenever the Fund declares a dividend or distribution payable either, in shares or in cash, non-participants in the Plan will receive cash, and participants in the Plan will receive the equivalent in shares of common shares. The shares are acquired by the Plan Agent for the participant's account, depending upon the circumstances described below, either (i) through receipt of additional common shares from the Fund ("newly issued shares") or (ii) by purchase of outstanding common shares on the open market ("open-market purchases") on the New York Stock Exchange or elsewhere. If, on the payment date, the net asset value per share of the common shares is equal to or less than the market price per common share plus estimated brokerage commissions (such condition being referred to herein as "market premium"), the Plan Agent will receive newly issued shares from the Fund for each participant's account. The number of newly issued common shares to be credited to the participant's account will be determined by dividing the dollar amount of the dividend or distribution by the greater of (i) the net asset value per common share on the payment date, or (ii) 95% of the market price per common share on the payment date.

If, on the payment date, the net asset value per common share exceeds the market price plus estimated brokerage commissions (such condition being referred to herein as "market discount"), the Plan Agent has until the last business day before the next date on which the shares trade on an "ex-dividend" basis or in no event more than 30 days after the payment date ("last purchase date") to invest the dividend or distribution amount in shares acquired in open-market purchases. It is contemplated that the Fund will pay monthly income dividends. Therefore, the period during which open-market purchases can be made

45

will exist only from the payment date on the dividend through the date before the next ex-dividend date, which typically will be approximately ten days. The weighted average price (including brokerage commissions) of all common shares purchased by the Plan Agent as Plan Agent will be the price per common share allocable to each participant. If, before the Plan Agent has completed its open- market purchases, the market price of a common share exceeds the net asset value per share, the average per share purchase price paid by the Plan Agent may exceed the net asset value of the Fund's shares, resulting in the acquisition of fewer shares than if the dividend had been paid in newly issued shares on the payment date. Because of the foregoing difficulty with respect to open-market purchases, the Plan provides that if the Plan Agent is unable to invest the full dividend amount in open-market purchases during the purchase period or if the market discount shifts to a market premium during the purchase period, the Plan Agent will cease making open-market purchases and will invest the uninvested portion of the dividend or distribution amount in newly issued shares at the close of business on the last purchase date.

The Plan Agent maintains all shareholders' accounts in the Plan and furnishes written confirmation of each acquisition made for the participant's account as soon as practicable, but in no event later than 60 days after the date thereof. Shares in the account of each Plan participant will be held by the Plan Agent in non-certificated form in the Plan Agent's name or that of its nominee, and each shareholder's proxy will include those shares purchased or received pursuant to the Plan. The Plan Agent will forward all proxy solicitation materials to participants and vote proxies for shares held pursuant to the Plan first in accordance with the instructions of the participants then with respect to any proxies not returned by such participant, in the same proportion as the Plan Agent votes the proxies returned by the participants.

There will be no brokerage charges with respect to shares issued directly by the Fund as a result of dividends or distributions payable either in shares or in cash. However, each participant will pay a pro rata share of brokerage commissions incurred with respect to the Plan Agent's open-market purchases in connection with the reinvestment of dividends or distributions. If a participant elects to have the Plan Agent sell part or all of his or her common shares and remit the proceeds, such participant will be charged his or her pro rata share of brokerage commissions on the shares sold, plus a $15 transaction fee.

The automatic reinvestment of dividends and distributions will not relieve participants of any federal, state or local income tax that may be payable (or required to be withheld) on such dividends. See "U.S. Federal Income Tax Matters."

Shareholders participating in the Plan may receive benefits not available to shareholders not participating in the Plan. If the market price plus commissions of the Fund's shares is higher than the net asset value, participants in the Plan will receive shares of the Fund at less than they could otherwise purchase them and will have shares with a cash value greater than the value of the cash distribution they would have received on their shares. If the market price plus commissions is below the net asset value, participants receive distributions of shares with a net asset value greater than the value of the cash distribution they would have received on their shares. However, there may be insufficient shares available in the market to make distributions in shares at prices below the net asset value. Also, since the Fund does not redeem its shares, the price on resale may be more or less than the net asset value. See "U.S. Federal Income Tax Matters" for a discussion of the federal income tax consequences of the Plan.

Experience under the Plan may indicate that changes are desirable. Accordingly, the Fund reserves the right to amend or terminate the Plan if in the judgment of the Board of Trustees such a change is warranted. The Plan may be terminated by the Plan Agent or the Fund upon notice in writing mailed to each participant at least 60 days prior to the effective date of the termination. Upon any termination, the Plan Agent will cause a certificate or certificates to be issued for the full shares held by each participant under the Plan and cash adjustment for any fraction of a common share at the then current market value of the common shares to be delivered to him or her. If preferred, a participant may request the sale of all of the common shares held by the Plan Agent in his or her Plan account in order to terminate participation in the Plan. If such participant elects in advance of such termination to have the Plan Agent sell part or all of his shares, the Plan Agent is authorized to deduct from the proceeds a $15.00 fee plus the brokerage commissions incurred for the transaction. If a participant has terminated his or her participation in the

46

Plan but continues to have common shares registered in his or her name, he or she may re-enroll in the Plan at any time by notifying the Plan Agent in writing at the address below. The terms and conditions of the Plan may be amended by the Plan Agent or the Fund at any time but, except when necessary or appropriate to comply with applicable law or the rules or policies of the Commission or any other regulatory authority, only by mailing to each participant appropriate written notice at least 30 days prior to the effective date thereof. The amendment shall be deemed to be accepted by each participant unless, prior to the effective date thereof, the Plan Agent receives notice of the termination of the participant's account under the Plan. Any such amendment may include an appointment by the Plan Agent of a successor Plan Agent, subject to the prior written approval of the successor Plan Agent by the Fund. There is no direct service charge to participants in the Plan; however, the Fund reserves the right to amend the Plan to include a service charge payable by the participants.

All correspondence concerning the Plan should be directed to the Plan Agent at Dividend Reinvestment Department, P.O. Box 1958, Newark, NJ 07101-9774.

CLOSED-END FUND STRUCTURE

The Fund is a newly organized, diversified, closed-end management investment company (commonly referred to as a closed-end fund). Closed-end funds differ from open-end management investment companies (which are generally referred to as mutual funds) in that closed-end funds generally list their shares for trading on a stock exchange and do not redeem their shares at the request of the shareholder. This means that if you wish to sell your shares of a closed-end fund you must sell them on the market like any other stock at the prevailing market price at that time. In a mutual fund, if the shareholder wishes to sell shares of the fund, the mutual fund will redeem or buy back the shares at any time (except in certain circumstances as authorized by or under the 1940 Act) at "net asset value," less such redemption charge, if any, as might be in effect at the time of redemption. Also, mutual funds generally offer new shares on a continuous basis to investors, and closed-end funds generally do not. The continuous inflows and outflows of assets in a mutual fund can make it more difficult to manage the fund's investments. By comparison, closed-end funds are generally able to stay more fully invested in securities that are consistent with their investment objectives and also have greater flexibility to make certain types of investments and to use certain investment strategies, such as financial leverage and investments in illiquid securities.

Shares of closed-end funds frequently trade at a discount to their net asset value. To the extent the common shares do trade at a discount, the Fund's Board of Trustees may, from time to time and without the approval of the Fund's shareholders, engage in open-market repurchases or tender offers for shares. Any such purchases or tender offers may result in the temporary narrowing of any discount, but should not have any long-term effect on the level of any discount. We cannot guarantee or assure, however, that the Fund's Board of Trustees will decide to engage in any of these actions. Nor is there any guarantee or assurance that such actions, if undertaken, would result in the shares trading at a price equal or close to net asset value per share.

The Board of Trustees might also consider converting the Fund to an open-end mutual fund if the common shares trade at a discount, which would also require a vote of the shareholders of the Fund. If the Fund is converted to an open-end mutual fund, it could be required to liquidate portfolio securities to meet requests for redemption, and the common shares would no longer be listed on the New York Stock Exchange. Conversion to an open-end mutual fund would also require changes in certain of the Fund's investment policies and restrictions. In addition, the total annual expenses of the Fund may increase in the event of a conversion as a result of increased portfolio trading administrative expenses associated with the operation of the Fund as an open-end mutual fund or as a result of a decrease in the Fund's asset base resulting from redemption of shares. Converting the Fund to an open-end mutual fund would require an amendment to the Fund's Declaration of Trust.

In considering whether to take any of the above actions in response to any discount in the market price of the Fund's common shares, the Board of Trustees would consider, among other things, the benefit to shareholders of such actions and the impact of such actions on the expenses and assets of the Fund.

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When undertaking any of the actions described above, the Fund would comply with the requirements of the Securities Exchange Act of 1934, as amended, the 1940 Act and the principal stock exchange on which the common shares are traded.

U.S. FEDERAL INCOME TAX MATTERS

The following is a description of certain U.S. federal income tax consequences to a shareholder that acquires, holds and/or disposes of common shares of the Fund. The discussion reflects applicable federal tax laws of the United States as of the date of this prospectus, which tax laws may be changed or subject to new interpretations by the courts or the Internal Revenue Service ("IRS") retroactively or prospectively. No attempt is made to present a detailed explanation of U.S. federal income tax concerns affecting the Fund and its shareholders, and the discussion set forth herein does not constitute tax advice. In addition, no attempt is made to present state, local or foreign tax concerns or tax concerns applicable to an investor with a special tax status such as a financial institution or non-U.S. investors. INVESTORS ARE URGED TO CONSULT THEIR OWN TAX ADVISORS TO DETERMINE THE TAX CONSEQUENCES TO THEM BEFORE INVESTING IN THE FUND.

The Fund intends to elect to be treated, and to qualify each year, as a "regulated investment company" under Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code"), so that it will not pay U.S. federal income tax on income and capital gains distributed to shareholders. If the Fund qualifies as a regulated investment company and distributes to its shareholders at least 90% of the sum of (i) its "investment company taxable income" as that term is defined in the Code (which includes, among other things, dividends, taxable interest, the excess of any net short-term capital gains over net long- term capital losses and certain net foreign exchange gains as reduced by certain deductible expenses) without regard to the deduction for dividends paid and (ii) the excess of its gross tax-exempt interest, if any, over certain disallowed deductions, the Fund will be relieved of U.S. federal income tax on any income of the Fund, including long-term capital gains, distributed to shareholders. However, if the Fund retains any investment company taxable income or "net capital gain" (the excess of net long-term capital gain over net short-term capital loss), it will be subject to U.S. federal income tax at regular corporate rates (currently at a maximum rate of 35%) on the amount retained. The Fund intends to distribute at least annually all or substantially all of its investment company taxable income, net tax-exempt interest, if any, and net capital gain. Under the Code, the Fund will generally be subject to a nondeductible 4% federal excise tax on the portion of its undistributed ordinary income and capital gains if it fails to meet certain distribution requirements with respect to each calendar year. The Fund intends to make distributions in a timely manner and accordingly does not expect to be subject to the excise tax.

If for any taxable year the Fund did not qualify as a regulated investment company for U.S. federal income tax purposes, it would be treated as a corporation subject to U.S. federal income tax and distributions to its shareholders would not be deducted by the Fund in computing its taxable income. In such event, the Fund's distributions, to the extent derived from the Fund's current or accumulated earnings and profits, would generally constitute ordinary dividends, which would generally be eligible for the dividends received deduction available to corporate shareholders, and non-corporate shareholders would generally be able to treat such distributions as "qualified dividend income" eligible for reduced rates of federal income taxation in taxable years beginning on or before December 31, 2010.

Unless a shareholder is ineligible to participate or elects otherwise, all distributions will be automatically reinvested in additional common shares of the Fund pursuant to the Plan. For U.S. federal income tax purposes, all dividends are taxable whether a shareholder takes them in cash or they are reinvested pursuant to the Plan in additional shares of the Fund. Distributions of net investment income, other than "qualified dividend income," are taxable for federal income tax purposes at ordinary income tax rates. Distributions designated as "qualified dividend income" are generally taxed to non-corporate investors at rates applicable to long-term capital gains, provided certain holding period and other requirements contained in the Code are satisfied at both the Fund and shareholder levels. The provisions of the Code applicable to "qualified dividend income" are currently effective for taxable years beginning on or before December 31, 2010. Distributions of net capital gain (i.e., the excess of net long-term capital gain over net

48

short-term capital loss) are taxable for federal income tax purposes as long- term capital gain regardless of how long the shareholder has held shares of the Fund. Distributions of net short-term capital gain (i.e., net short-term capital gain less any net long-term capital loss) are taxable as ordinary income regardless of how long the shareholder has held shares of the Fund. Dividends paid by the Fund may qualify in part for the "dividends received deduction" available to corporate shareholders under Section 243 of the Code, provided certain holding period and other requirements are satisfied at both the Fund and shareholder levels. A distribution of an amount in excess of the Fund's current and accumulated earnings and profits, if any, will be treated by a shareholder as a tax-free return of capital which is applied against and reduces the shareholder's basis in his or her shares. To the extent that the amount of any such distribution exceeds the shareholder's basis in his or her shares, the excess will be treated by the shareholder as gain from the sale or exchange of shares. The U.S. federal income tax status of all distributions will be designated by the Fund and reported to shareholders annually.

If the Fund retains any net capital gain, the Fund may designate the retained amount as undistributed capital gains in a notice to shareholders who, if subject to U.S. federal income tax on long-term capital gains, (i) will be required to include in income as long-term capital gain, their proportionate share of such undistributed amount, and (ii) will be entitled to credit their proportionate share of the federal income tax paid by the Fund on the undistributed amount against their U.S. federal income tax liabilities, if any, and to claim refunds to the extent the credit exceeds such liabilities. If such an event occurs, the tax basis of shares owned by a shareholder of the Fund will, for U.S. federal income tax purposes, generally be increased by the difference between the amount of undistributed net capital gain included in the shareholder's gross income and the federal income tax deemed paid by the shareholders.

If a shareholder's distributions are automatically reinvested pursuant to the Plan and the Plan Agent invests the distribution in shares acquired on behalf of the shareholder in open-market purchases, for U.S. federal income tax purposes, the shareholder will be treated as having received a taxable distribution in the amount of the cash dividend that the shareholder would have received if the shareholder had elected to receive cash. If a shareholder's distributions are automatically reinvested pursuant to the Plan and the Plan Agent invests the distribution in newly issued shares of the Fund, the shareholder will be treated as receiving a taxable distribution equal to the fair market value of the shares the shareholder receives.

To the extent that the Fund is liable for foreign income taxes, the Fund may make an election under Section 853 of the Code to "pass through" to the Fund's shareholders the foreign income taxes it pays, if more than 50% of the value of the Fund's total assets at the close of the taxable year consists of stock or securities of foreign corporations. If this election is made, shareholders will generally be able to claim a credit or deduction (but not both) on their federal income tax returns for, and will be required to treat as part of the amounts distributed to them, their pro rata portion of the income taxes paid by the Fund to foreign countries (which taxes relate primarily to investment income). The shareholders of the Fund may claim a federal income tax credit by reason of the Fund's election, subject to certain limitations imposed by the Code. Also, under the Code, no deduction for foreign taxes may be claimed by individual shareholders who do not elect to itemize deductions on their federal income tax returns, although such a shareholder may be able to claim a credit for foreign taxes paid and in any event will be treated as having taxable income in the amount of the shareholder's pro rata share of foreign taxes paid by the Fund. If the Fund does not make such an election, the foreign taxes paid by the Fund will reduce the Fund's net investment income. In such a case, shareholders will not be able to claim either a credit or a deduction for their pro rata portion of such taxes paid by the Fund, nor will shareholders be required to treat as part of the amounts distributed to them their pro rata portion of such taxes paid.

Sales and other dispositions of the Fund's shares are taxable events for shareholders that are subject to federal income tax. Shareholders should consult their own tax advisors with reference to their individual circumstances to determine whether any particular transaction in the Fund's shares is properly treated as a sale for tax purposes, as the following discussion assumes, and the tax treatment of any gains or losses recognized in such transactions. Any loss realized by a shareholder upon the sale or other disposition of shares with a tax holding period of six months or less will be treated as a long-term capital loss to the extent of any amounts treated as distributions of long-term capital gain with respect to such shares. Losses on sales

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or other dispositions of shares may be disallowed under the "wash sale" rules in the event of other investments in the Fund (including those made pursuant to reinvestment of dividends) or in other substantially identical stock or securities within a period of 61 days beginning 30 days before and ending 30 days after a sale or other disposition of shares. In such a case, the disallowed portion of any loss generally would be included in the U.S. federal income tax basis of the shares acquired in the other investments.

The Fund is required in certain circumstances to backup withhold at a current rate of 28% on reportable payments including dividends, capital gain distributions, and proceeds of sales or other dispositions of the Fund's shares paid to certain holders of the Fund's shares who do not furnish the Fund with their correct social security number or other taxpayer identification number and certain other certifications, or who are otherwise subject to backup withholding. Backup withholding is not an additional tax. Any amounts withheld from payments made to a shareholder may be refunded or credited against such shareholder's U.S. federal income tax liability, if any, provided that the required information is furnished to the IRS.

THE FOREGOING IS A GENERAL AND ABBREVIATED SUMMARY OF THE PROVISIONS OF THE CODE AND THE TREASURY REGULATIONS THEREUNDER IN EFFECT AS THEY DIRECTLY GOVERN THE TAXATION OF THE FUND AND ITS SHAREHOLDERS. THESE PROVISIONS ARE SUBJECT TO CHANGE BY LEGISLATIVE OR ADMINISTRATIVE ACTION, AND ANY SUCH CHANGE MAY BE RETROACTIVE. A MORE COMPLETE DISCUSSION OF THE FEDERAL INCOME TAX RULES APPLICABLE TO THE FUND CAN BE FOUND IN THE STATEMENT OF ADDITIONAL INFORMATION WHICH IS INCORPORATED BY REFERENCE INTO THIS PROSPECTUS. SHAREHOLDERS ARE URGED TO CONSULT THEIR TAX ADVISORS REGARDING SPECIFIC QUESTIONS AS TO U.S. FEDERAL, FOREIGN, STATE, AND LOCAL INCOME OR OTHER TAXES BEFORE MAKING AN INVESTMENT IN THE FUND.

NET ASSET VALUE

Net asset value per common share is determined as of the close of regular session trading on the New York Stock Exchange (usually 4:00 p.m., Eastern time), on the last business day in each week. Net asset value is calculated by dividing the value of all of the securities and other assets of the Fund, less its liabilities (including accrued expenses and indebtedness) and the aggregate liquidation value of any outstanding preferred shares, by the total number of common shares outstanding. Currently, the net asset values of shares of publicly traded closed-end investment companies are published in Barron's, the Monday edition of The Wall Street Journal and the Monday and Saturday editions of The New York Times.

The values of the securities in the Fund are based on market prices from the primary market in which they are traded. As a general rule, equity securities listed on a U.S. securities exchange are valued at the last current reported sale price as of the time of valuation. Securities quoted on the NASDAQ National Market System are valued at the Nasdaq Official Closing Price ("NOCP"), as determined by Nasdaq, or lacking an NOCP, at the last current reported sale price as of the time of valuation. Bonds and other fixed-income securities that are traded over the counter or on an exchange will be valued according to the broadest and most representative market, and it is expected this will ordinarily be the over-the-counter market. Foreign securities held by the Fund are traded on exchanges throughout the world. Trading on these foreign securities exchanges is completed at various times throughout the day and often does not coincide with the close of trading on the New York Stock Exchange. The value of foreign securities is determined at the last current reported sale price at the close of trading of the exchange on which the securities are traded or at the close of trading on the New York Stock Exchange, whichever is earlier. If market prices for a security are not readily available or the Fund's valuation methods do not produce a value reflective of a fair value of the security, that security and other assets are priced at a fair value as determined by the Board of Trustees or a committee thereof.

DESCRIPTION OF SHARES

The Fund is authorized to issue an unlimited number of common shares, without par value. The Fund is also authorized to issue preferred shares. Upon the completion of this offering, the Fund will only have common shares outstanding. The Board of Trustees is authorized, however, to classify and reclassify

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any unissued shares into one or more additional classes or series of shares. The Board of Trustees may establish such series or class, including preferred shares, from time to time by setting or changing in any one or more respects the designations, preferences, conversion or other rights, voting powers, restrictions, limitations as to dividends, qualifications or terms or conditions of redemption of such shares and pursuant to such classification or reclassification to increase or decrease the number of authorized shares of any existing class or series. The Board of Trustees, without shareholder approval, is authorized to amend the Agreement and Declaration of Trust and By-laws to reflect the terms of any such class or series, including any class of preferred shares. The Fund currently anticipates that it will issue cumulative preferred shares as soon as practicable after the closing of this offering. See "Leverage." The Fund is also authorized to issue other securities, including debt securities.

COMMON SHARES

Common shares, when issued and outstanding, will be fully paid and non- assessable. Shareholders are entitled to share pro rata in the net assets of the Fund available for distribution to common shareholders upon liquidation of the Fund. Common shareholders are entitled to one vote for each share held.

In the event that the Fund issues preferred shares and so long as any shares of the Fund's preferred shares are outstanding, holders of common shares will not be entitled to receive any net income of, or other distributions from, the Fund unless all accumulated dividends on preferred shares have been paid, and unless asset coverage (as defined in the 1940 Act) with respect to preferred shares would be at least 200% after giving effect to such distributions. See "Leverage."

The Fund will send unaudited reports at least semiannually and audited annual financial statements to all of its shareholders.

Calamos provided the initial capital for the Fund by purchasing common shares of the Fund for $100,000. As of the date of this prospectus, Calamos owned 100% of the outstanding common shares. Calamos may be deemed to control the Fund until such time as it owns less than 25% of the outstanding shares of the Fund.

PREFERRED SHARES

The Fund currently anticipates issuing, as soon as practicable after the closing of this offering, cumulative preferred shares with an aggregate liquidation preference of up to approximately 33% of the Fund's total assets immediately after issuance. As a non-fundamental policy, the Fund may not issue preferred shares, borrow money or issue debt securities with an aggregate liquidation preference and aggregate principal amount that exceeds 38% of the Fund's total assets immediately after issuance. However, the Fund reserves the right to issue preferred shares to the extent permitted by the 1940 Act, which currently limits the aggregate liquidation preference of all outstanding preferred shares to 50% of the value of the Fund's total assets less the Fund's liabilities and indebtedness. Although the terms of any preferred shares, including dividend rate, liquidation preference and redemption provisions, will be determined by the Board of Trustees, subject to applicable law and the Agreement and Declaration of Trust, it is likely that the preferred shares will be structured to carry a relatively short-term dividend rate reflecting interest rates on short-term bonds by providing for the periodic redetermination of the dividend rate at relatively short intervals through an auction, remarketing or other procedure. The Fund also believes that it is likely that the liquidation preference, voting rights and redemption provisions of the preferred shares will be similar to those stated below.

In the event of any voluntary or involuntary liquidation, dissolution or winding up of the Fund, the holders of preferred shares will be entitled to receive a preferential liquidating distribution, which is expected to equal the original purchase price per preferred share plus accumulated and unpaid dividends, whether or not declared, before any distribution of assets is made to holders of common shares. After payment of the full amount of the liquidating distribution to which they are entitled, the holders of preferred shares will not be entitled to any further participation in any distribution of assets by the Fund.

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The 1940 Act requires that the holders of any preferred shares, voting separately as a single class, have the right to elect at least two Trustees at all times. The remaining Trustees will be elected by holders of common shares and preferred shares, voting together as a single class. In addition, subject to the prior rights, if any, of the holders of any other class of senior securities outstanding, the holders of any preferred shares have the right to elect a majority of the Trustees at any time two years' accumulated dividends on any preferred shares are unpaid. The 1940 Act also requires that, in addition to any approval by shareholders that might otherwise be required, the approval of the holders of a majority of any outstanding preferred shares, voting separately as a class, would be required to (1) adopt any plan of reorganization that would adversely affect the preferred shares, and (2) take any action requiring a vote of security holders under Section 13(a) of the 1940 Act, including, among other things, changes in the Fund's subclassification as a closed-end investment company or changes in its fundamental investment restrictions. See "Certain Provisions of the Agreement and Declaration of Trust and By-Laws." As a result of these voting rights, the Fund's ability to take any such actions may be impeded to the extent that there are any preferred shares outstanding. The Board of Trustees presently intends that, except as otherwise indicated in this prospectus and except as otherwise required by applicable law, holders of preferred shares will have equal voting rights with holders of common shares (one vote per share, unless otherwise required by the 1940 Act) and will vote together with holders of common shares as a single class.

The affirmative vote of the holders of a majority of the outstanding preferred shares, voting as a separate class, will be required to amend, alter or repeal any of the preferences, rights or powers of holders of preferred shares so as to affect materially and adversely such preferences, rights or powers, or to increase or decrease the authorized number of preferred shares. The class vote of holders of preferred shares described above will in each case be in addition to any other vote required to authorize the action in question.

The terms of the preferred shares are expected to provide that (i) they are redeemable by the Fund in whole or in part at the original purchase price per share plus accrued dividends per share, (ii) the Fund may tender for or purchase preferred shares and (iii) the Fund may subsequently resell any shares so tendered for or purchased. Any redemption or purchase of preferred shares by the Fund will reduce the leverage applicable to the common shares, while any resale of shares by the Fund will increase that leverage.

The discussion above describes the possible offering of preferred shares by the Fund. If the Board of Trustees determines to proceed with such an offering, the terms of the preferred shares may be the same as, or different from, the terms described above, subject to applicable law and the Agreement and Declaration of Trust. The Board of Trustees, without the approval of the holders of common shares, may authorize an offering of preferred shares or may determine not to authorize such an offering, and may fix the terms of the preferred shares to be offered.

CERTAIN PROVISIONS OF THE AGREEMENT AND
DECLARATION OF TRUST AND BY-LAWS

The Fund's Agreement and Declaration of Trust includes provisions that could have the effect of limiting the ability of other entities or persons to acquire control of the Fund or to change the composition of its Board of Trustees and could have the effect of depriving shareholders of an opportunity to sell their shares at a premium over prevailing market prices by discouraging a third party from seeking to obtain control of the Fund. These provisions, however, have the advantage of potentially requiring persons seeking control of the Fund to negotiate with its management regarding the price to be paid and facilitating the continuity of the Fund's investment objective and policies. The Board of Trustees of the Fund has considered these provisions and concluded that they are in the best interests of the Fund.

The Board of Trustees is divided into three classes and the terms of the Trustees of the different classes are staggered. A Trustee may be removed from office with or without cause by a vote of at least a majority of the then Trustees if such removal is approved by the holders of at least two-thirds of the shares entitled to vote with respect to the election of such Trustee and present in person or by proxy at a meeting of shareholders called for such purpose.

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In addition, the Agreement and Declaration of Trust requires the affirmative vote of at least 75% of the outstanding shares entitled to vote on the matter for the Trust to merge or consolidate with any other corporation, association, trust or other organization or to sell, lease or exchange all or substantially all of the Fund's assets; unless such action has been approved, adopted or authorized by the affirmative vote of at least 75% of the Trustees then in office, in which case, the affirmative vote of a majority of the outstanding shares entitled to vote on the matter is required.

In addition, conversion of the Fund to an open-end investment company would require an amendment to the Fund's Agreement and Declaration of Trust. Such an amendment would require the favorable vote of a majority of the then Trustees followed by a favorable vote of the holders of at least 75% of the shares entitled to vote on the matter, voting as separate classes or series (or a majority of such shares if the amendment was previously approved by 75% of the Trustees). Such a vote also would satisfy a separate requirement in the 1940 Act that the change be approved by the shareholders.

In addition, the Agreement and Declaration of Trust requires the affirmative vote or consent of a majority of the then Trustees followed by the affirmative vote or consent of the holders of at least 75% of the shares of each affected class or series of the Fund outstanding, voting separately as a class or series, to approve, adopt or authorize certain transactions with 5% or greater holders of a class or series of shares and their associates, unless the transaction has been approved by at least 75% of the Trustees, in which case a majority of the outstanding shares entitled to vote shall be required. For purposes of these provisions, a 5% or greater holder of a class or series of shares (a "Principal Shareholder") refers to any person who, whether directly or indirectly and whether alone or together with its affiliates and associates, beneficially owns 5% or more of the outstanding shares of any class or series of shares of beneficial interest of the Fund. The 5% holder transactions subject to these special approval requirements are:

- the merger or consolidation of the Fund or any subsidiary of the Fund with or into any Principal Shareholder;

- the issuance of any securities of the Fund to any Principal Shareholder for cash; or

- the sale, lease or exchange to the Fund or any subsidiary of the Fund in exchange for securities of the Fund, of any assets of any Principal Shareholder, except assets having an aggregate fair market value of less than $1,000,000, aggregating for the purpose of such computation all assets sold, leased or exchanged in any series of similar transactions within a 12-month period.

The Fund may be terminated by the affirmative vote of not less than 75% of the Trustees then in office by written notice to the shareholders.

The Agreement and Declaration of Trust and By-laws provide that the Board of Trustees has the power, to the exclusion of shareholders, to make, alter or repeal any of the By-laws (except for any By-law specified not to be amended or repealed by the Board), subject to the requirements of the 1940 Act. Neither this provision of the Agreement and Declaration of Trust, nor any of the foregoing provisions thereof requiring the affirmative vote of 75% of outstanding shares of the Fund, can be amended or repealed except by the vote of such required number of shares.

The Fund's By-laws generally require that advance notice be given to the Fund in the event a shareholder desires to nominate a person for election to the Board of Trustees or to transact any other business at an annual meeting of shareholders. With respect to an annual meeting following the first annual meeting of shareholders, notice of any such nomination or business must be delivered to or received at the principal executive offices of the Fund not less than 90 calendar days nor more than 120 calendar days prior to the anniversary date of the prior year's annual meeting (subject to certain exceptions). In the case of the first annual meeting of shareholders, the notice must be given no later than the tenth calendar day following public disclosure as specified in the By-laws of the date of the meeting. Any notice by a shareholder must be accompanied by certain information as provided in the By-laws.

53

UNDERWRITING

Wachovia Capital Markets, LLC and Citigroup Global Markets Inc. are acting as representatives of the underwriters named below. Subject to the terms and conditions stated in the Fund's underwriting agreement dated the date hereof, each underwriter named below has severally agreed to purchase, and the Fund has agreed to sell to such underwriter, the number of common shares set forth opposite the name of such underwriter.

                                                                     NUMBER OF
UNDERWRITERS                                                           SHARES
------------                                                         ---------


Wachovia Capital Markets, LLC......................................
Citigroup Global Markets Inc.......................................
Robert W. Baird & Co. Incorporated.................................
H&R Block Financial Advisors, Inc..................................
Crowell, Weedon & Co...............................................
Ferris, Baker Watts, Incorporated..................................
Janney Montgomery Scott LLC........................................
RBC Capital Markets Corporation....................................
Ryan Beck & Co., Inc...............................................
Southwest Securities, Inc..........................................
Stifel, Nicolaus & Company, Incorporated...........................
Wedbush Morgan Securities Inc......................................
Wells Fargo Securities, LLC........................................

Total..............................................................

The underwriting agreement provides that the obligations of the underwriters to purchase the common shares included in this offering are subject to approval of legal matters by counsel and to other conditions. The underwriters are obligated to purchase all the common shares (other than those covered by the over-allotment option described below) if they purchase any of the common shares.

The underwriters propose to offer some of the common shares directly to the public at the public offering price set forth on the cover page of this prospectus and some of the common shares to dealers at the public offering price less a concession not to exceed $0.450 per common share. The sales load the Fund will pay of $0.675 per common share is equal to 4.500% of the initial offering price. The underwriters may allow, and such dealers may reallow, a concession not to exceed $ per common share on sales to certain other dealers. If all of the common shares are not sold at the initial offering price, the representatives may change the public offering price and other selling terms. Investors must pay for any common shares purchased on or before , 2007. The representatives have advised the Fund that the underwriters do not intend to confirm any sales to any accounts over which they exercise discretionary authority.

ADDITIONAL COMPENSATION TO UNDERWRITERS AND AFFILIATES

Calamos (and not the Fund) has agreed to pay to Wachovia Capital Markets, LLC, from its own assets, a structuring fee for assisting Calamos with respect to the structure, design and organization of the Fund as well as for services related to the sale and distribution of the Fund's common shares in the amount of $ . The structuring fee paid to Wachovia Capital Markets, LLC will not exceed % of the total public offering price of the common shares sold in this offering.

Calamos (and not the Fund) has agreed to pay to Citigroup Global Markets Inc., from its own assets, a structuring fee for advice relating to the structure, design and organization of the Fund as well as services related to the sale and distribution of the Fund's common shares in the amount of $ . The structuring fee paid to Citigroup Global Markets Inc. will not exceed % of the total public offering price of the common shares sold in this offering.

Calamos (and not the Fund) has agreed to pay from its own assets to H&R Block Financial Advisors, Inc. a sales incentive fee in the amount of $ . The sales incentive fee paid to H&R Block Financial

54

Advisors, Inc. will not exceed % of the total public offering price of the common shares sold in this offering.

Calamos (and not the Fund) has agreed to pay from its own assets to RBC Capital Markets Corporation a sales incentive fee in the amount of $ . The sales incentive fee paid to RBC Capital Markets Corporation will not exceed % of the total public offering price of the common shares sold in this offering.

Calamos (and not the Fund) may also pay certain qualifying underwriters a structuring fee, a sales incentive fee or additional compensation in connection with the offering.

The total amount of the underwriter compensation payments described above will not exceed 4.5% of the total public offering price of the common shares offered hereby. The sum total of all compensation to the underwriters in connection with this public offering of common shares, including the sales load and all forms of additional compensation or structuring or sales incentive fee payments to the underwriters and other expenses, will be limited to not more than 9.0% of the total public offering price of the common shares sold in this offering.

The Fund has granted to the underwriters an option, exercisable for 45 days from the date of this prospectus, to purchase up to additional common shares at the public offering price less the sales load. The underwriters may exercise such option solely for the purpose of covering over-allotments, if any, in connection with this offering. To the extent such option is exercised, each underwriter will be obligated, subject to certain conditions, to purchase a number of additional common shares approximately proportionate to such underwriter's initial purchase commitment.

The Fund and Calamos have agreed that, for a period of 180 days from the date of this prospectus, they will not, without the prior written consent of Wachovia Capital Markets, LLC, on behalf of the underwriters, dispose of or hedge any common shares or any securities convertible into or exchangeable for common shares. Wachovia Capital Markets, LLC in its sole discretion, may release any of the securities subject to these agreements at any time without notice.

To meet the NYSE distribution requirements for trading, the underwriters have undertaken to sell common shares in a manner such that shares are held by a minimum of 400 beneficial owners in lots of 100 or more, at least 1,100,000 shares are publicly held in the United States and the aggregate market value of publicly held shares in the United States is at least $60 million. The common shares have been approved for listing on the NYSE under the symbol "CHW," subject to notice of issuance.

The following table shows the sales load that the Fund will pay to the underwriters in connection with this offering. These amounts are shown assuming both no exercise and full exercise of the underwriters' option to purchase additional common shares.

                                                            PAID BY FUND
                                                    ---------------------------
                                                    NO EXERCISE   FULL EXERCISE
                                                    -----------   -------------


Per share.........................................      $--            $--
  Total...........................................      $--            $--

The Fund and Calamos have agreed to indemnify the underwriters against certain liabilities, including liabilities under the Securities Act of 1933, or to contribute to payments the underwriters may be required to make because of any of those liabilities.

Certain underwriters may make a market in the common shares after trading in the common shares has commenced on the NYSE. No underwriter is, however, obligated to conduct market-making activities and any such activities may be discontinued at any time without notice, at the sole discretion of the underwriter. No assurance can be given as to the liquidity of, or the trading market for, the common shares as a result of any market-making activities undertaken by any underwriter. This prospectus is to be used by any underwriter in connection with the offering and, during the period in which a prospectus must be

55

delivered, with offers and sales of the common shares in market-making transactions in the over-the-counter market at negotiated prices related to prevailing market prices at the time of the sale.

In connection with the offering, Wachovia Capital Markets, LLC, on behalf of itself and the other underwriters, may purchase and sell common shares in the open market. These transactions may include short sales, syndicate covering transactions and stabilizing transactions. Short sales involve syndicate sales of common shares in excess of the number of common shares to be purchased by the underwriters in the offering, which creates a syndicate short position. "Covered" short sales are sales of common shares made in an amount up to the number of common shares represented by the underwriters' over-allotment option. In determining the source of common shares to close out the covered syndicate short position, the underwriters will consider, among other things, the price of common shares available for purchase in the open market as compared to the price of which they may purchase common shares through the over-allotment option. Transactions to close out the covered syndicate short position involve either purchases of common shares in the open market after the distribution has been completed or the exercise of the over-allotment option. The underwriters may also make "naked" short sales of common shares in excess of the over-allotment option. The underwriters must close out any naked short position by purchasing common shares in the open market. A naked short position is more likely to be created if the underwriters are concerned that there may be downward pressure on the price of common shares in the open market after pricing that could adversely affect investors who purchase in the offering. Stabilizing transactions consist of bids for or purchases of common shares in the open market while the offering is in progress.

The underwriters may impose a penalty bid. Penalty bids permit the underwriting syndicate to reclaim selling concessions allowed to an underwriter or a dealer for distributing common shares in this offering if the syndicate repurchases common shares to cover syndicate short positions or to stabilize the purchase price of the common shares.

Any of these activities may have the effect of preventing or retarding a decline in the market price of common shares. They may also cause the price of common shares to be higher than the price that would otherwise exist in the open market in the absence of these transactions. The underwriters may conduct these transactions on the NYSE or in the over-the-counter market, or otherwise. If the underwriters commence any of these transactions, they may discontinue them at any time.

A prospectus in electronic format may be available on the website maintained by one or more of the underwriters. The representatives may agree to allocate a number of common shares to the underwriters for sale to their online brokerage account holders. The representatives will allocate common shares to the underwriters that may make internet distributions on the same basis as other allocations. In addition, common shares may be sold by the underwriters to securities dealers who resell common shares to online brokerage account holders.

Prior to the initial public offering of common shares, Calamos purchased common shares from the Fund in an amount satisfying the net worth requirements of Section 14(a) of the Investment Company Act.

The Fund anticipates that, from time to time, certain of the underwriters may act as brokers or dealers in connection with the execution of the Fund's portfolio transactions after they have ceased to be underwriters and, subject to certain restrictions, may act as brokers while they are underwriters.

Certain underwriters may, from time to time, engage in transactions with or perform services for Calamos and its affiliates in the ordinary course of business.

The principal business address of Wachovia Capital Markets, LLC is 375 Park Avenue, New York, New York 10152. The principal business address of Citigroup Global Markets Inc. is 388 Greenwich Street, New York, New York 10013.

SELLING RESTRICTIONS

No action has been taken in any jurisdiction (except in the United States) that would permit a public offering of the common shares, or the possession, circulation or distribution of this prospectus or any other

56

material relating to the Fund or the common shares in any jurisdiction where action for that purpose is required. Accordingly, the common shares may not be offered or sold, directly or indirectly, and neither this prospectus nor any other offering material or advertisements in connection with the common shares may be distributed or published, in or from any country or jurisdiction except in compliance with any applicable rules and regulations of any such country or jurisdiction, and will not impose any obligations on the Fund, the underwriters, Wachovia Securities, LLC, Wachovia Securities Financial Network, LLC or any broker-dealer affiliate of Wachovia.

The common shares offered pursuant to this prospectus are not being registered under the Securities Act of 1933 for the purpose of sales outside the United States.

ARGENTINA. THE COMMON SHARES WILL NOT BE PUBLICLY OFFERED IN ARGENTINA. THEREFORE, THIS PROSPECTUS HAS NOT BEEN, AND WILL NOT BE, REGISTERED WITH THE COMISION NACIONAL DE VALORES. THIS OFFER DOES NOT CONSTITUTE A PUBLIC OFFERING OF COMMON SHARES WITHIN THE SCOPE OF THE ARGENTINE SECURITIES LAW N degrees
17.811. THIS PROSPECTUS AND OTHER OFFERING MATERIALS RELATING TO THE OFFER OF THE COMMON SHARES ARE BEING SUPPLIED ONLY TO THOSE INVESTORS WHO HAVE EXPRESSLY REQUESTED IT. THEY ARE STRICTLY CONFIDENTIAL AND MAY NOT BE DISTRIBUTED TO ANY PERSON OR ENTITY OTHER THAN THE RECIPIENTS HEREOF.

AUSTRALIA. THIS PROSPECTUS HAS NOT BEEN AND WILL NOT BE LODGED WITH THE AUSTRALIAN SECURITIES AND INVESTMENTS COMMISSION. THE OFFER IS MADE ONLY TO THOSE PERSONS TO WHOM DISCLOSURE IS NOT REQUIRED UNDER DIVISION 2 PART 6D.2 OF THE CORPORATIONS ACT 2001 AND DOES NOT PURPORT TO BE AN OFFER OF COMMON SHARES FOR WHICH DISCLOSURE IS REQUIRED.

BAHAMAS. The offer is not open to the public. The offering of each common share directly or indirectly in or from within The Bahamas may only be made by an entity or person who is licensed as a Broker Dealer by the Securities Commission of The Bahamas. Persons deemed "resident" of The Bahamas pursuant to the Exchange Control Regulations, 1956 of The Bahamas must receive the prior approval of The Central Bank of The Bahamas before accepting an offer to purchase the common shares.

BRAZIL. The common shares may not be offered or sold to the public in Brazil. Accordingly, the offering of the common shares has not been submitted to the Brazilian Securities Commission (Comissao de Valores Mobiliarios -- CVM) for approval. Documents relating to such offering, as well as the information contained herein and therein may not be supplied to the public as a public offering in Brazil or be used in connection with any offer for subscription or sale to the public in Brazil.

BRITISH VIRGIN ISLANDS. THE FUND, THIS PROSPECTUS AND THE COMMON SHARES OFFERED HEREIN HAVE NOT BEEN, AND WILL NOT BE, RECOGNIZED OR REGISTERED UNDER THE LAWS AND REGULATIONS OF THE BRITISH VIRGIN ISLANDS. THE COMMON SHARES MAY NOT BE OFFERED OR SOLD IN THE BRITISH VIRGIN ISLANDS EXCEPT IN CIRCUMSTANCES IN WHICH THE FUND, THIS PROSPECTUS AND THE COMMON SHARES DO NOT REQUIRE RECOGNITION BY OR REGISTRATION WITH THE AUTHORITIES OF THE BRITISH VIRGIN ISLANDS. THIS PROSPECTUS IS NOT A SOLICITATION OF INDIVIDUALS SITUATED IN THE BRITISH VIRGIN ISLANDS TO PURCHASE INTERESTS IN THE FUND.

CHILE. (1) Neither the Fund nor the common shares of the Fund have been registered in the Republic of Chile under Law 18,045 of Securities Market ("Chilean Securities Act"), and no filing related to the Fund and/or the common shares has been presented before the Chilean regulatory agency ("SVS"). Subsequently the common shares have not been offered or sold, and will not be offered or sold to the public within Chile, except in circumstances which have not resulted and will not result in a "public offering" as such term is defined in Article 4 of the Chilean Securities Act.

(2) Wachovia Capital Markets, LLC is neither a bank nor a licensed broker in Chile, and therefore has not and will not conduct transactions or any business operations in any of such qualities, including the marketing, offer and sale of the common shares, except in circumstances which have not resulted and will

57

not result in a "public offering" as such term is defined in Article 4 of the Chilean Securities Act, and/or have not resulted and will not result in the intermediation of securities in Chile within the meaning of Article 24 of the Chilean Securities Act and/or the breach of the brokerage restrictions set forth in Article 39 of Decree with Force of Law No. 3 of 1997.

(3) The common shares will be sold only to specific buyers, every one of which will be deemed upon purchase:

(i) To be a financial institution and/or institutional investor or a qualified investor with such knowledge and experience in financial and business matters as to be capable of evaluating the risks and merits of an investment in the common shares;

(ii) To agree that it will not resell the common shares in the Republic of Chile in a transaction subject to the registration requirements of the Chilean Securities Act, and that it will comply with all applicable laws and regulations of the Republic of Chile or any other applicable jurisdiction; and it will deliver to each person to whom the common shares are transferred a notice substantially to the effect of this selling restriction;

(iii) To acknowledge receipt of the sufficient information required to make an informed decision whether or not to invest in the common shares; and

(iv) To acknowledge that it has not relied upon advice from Wachovia Capital Markets, LLC and/or the Fund of the common shares, or their respective affiliates, regarding the determination of the convenience or suitability of units as an investment for the buyer or any other person; and has taken and relied upon independent legal, regulatory, tax and accounting advice.

COLOMBIA. The common shares may not be offered or sold in the Republic of Colombia.

COSTA RICA. The common shares described in this Prospectus have not been registered with the Superintendencia General de Valores de Costa Rica, nor any other regulatory body of Costa Rica. This prospectus is intended to be for your personal use only, and is not intended to be a Public Offering of Securities, as defined under Costa Rican law.

ISRAEL. NOTICE TO RESIDENTS OF ISRAEL

The Fund has undertaken that it will not offer common shares (1) to the public in Israel within the meaning of Israel's Securities Law, 5728-1968; or
(2) to more than 35 offerees resident in Israel. The Fund will obtain representations from each offeree that it is purchasing the common shares for investment purposes only and not for the purpose of resale. Israeli purchasers of common shares should consult their own legal and tax advisers with respect to the tax consequences of an investment in the common shares in their particular circumstances and with respect to the eligibility of the common shares for investment by the purchaser under relevant Israeli legislation.

MEXICO. The common shares have not been and will not been registered with the National Registry of Securities maintained by the National Banking and Securities Commission and may not be publicly offered in Mexico, except pursuant to a private placement exemption set forth under article 8 of the Securities Market Law.

PANAMA. The common shares have not been registered with the National Securities Commission, nor has the offer, sale or transactions thereof been registered. The exemption from registration is made based on numeral 2 (in the case of non-institutional investors) or numeral 3 (in the case of institutional investors) of Article 83 of Decree Law 1 of July 8, 1999 (Institutional Investors). Consequently, the tax treatment established in Articles 269 to 271 of Decree Law 1 of July 8, 1999, is not applicable thereto. The common shares are not under the supervision of the National Securities Commission.

PARAGUAY. This is a private and personal offering. The common shares offered have not been approved by or registered with the National Securities Commission (Comision Nacional de Valores) and are not part of a public offering as defined by the Paraguayan Securities Law. The information contained herein is for informational and marketing purposes only and should not be taken as an investment advice.

58

PERU. This offering of common shares is made only to institutional investors (as defined by the Peruvian Securities Market Law) and not to the public in general or a segment of it. Therefore, within 12 months from their acquisition the common shares can only be transferred to other institutional investors, unless they are previously recorded in the Public Registry of the Securities Market.

SWITZERLAND. THE FUND HAS NOT BEEN AUTHORIZED BY THE SWISS FEDERAL BANKING COMMISSION AS A FOREIGN INVESTMENT FUND UNDER ARTICLE 45 OF THE SWISS FEDERAL LAW ON INVESTMENT FUNDS OF MARCH 18, 1994. NO STEPS HAVE BEEN TAKEN

TO REGISTER THE COMPANY OR THIS MEMORANDUM AS PROSPECTUS IN SWITZERLAND. ACCORDINGLY, COMMON SHARES MAY NOT BE OFFERED OR DISTRIBUTED ON A PROFESSIONAL BASIS IN OR FROM SWITZERLAND, UNLESS THE OFFER OR DISTRIBUTION IS EXCLUSIVELY ADDRESSED TO SWISS INSTITUTIONAL INVESTORS, WITHOUT ANY PUBLIC OFFERING.

URUGUAY. This is a private offering. None of Wachovia Capital Markets, LLC, the Fund or the common shares have been registered with the Central Bank of Uruguay. The common shares offered hereunder do not qualify as investment funds under Uruguayan law 16,774 of September 27, 1996.

VENEZUELA. The offering of this U.S. closed-end fund has not been and will not be registered with the Venezuelan Comision Nacional de Valores and, accordingly, the Fund (or its common shares) may not be offered or sold in any manner that may be construed as a public offering under Venezuelan securities laws.

CUSTODIAN, TRANSFER AGENT AND DIVIDEND DISBURSING AGENT

The Fund's securities and cash are held under a custodian agreement with The Bank of New York, One Wall Street, New York, New York 10286. The transfer agent and dividend disbursing agent for the Fund's shares is also The Bank of New York.

LEGAL OPINIONS

Bell, Boyd & Lloyd LLP, Chicago, Illinois, serves as counsel to the Fund and to the non-interested Trustees. Vedder, Price, Kaufman & Kammholz, P.C. ("Vedder Price"), Chicago, Illinois,, which is serving as special counsel to the Fund in connection with the offering, will pass on the legality of the shares offered hereby. Vedder Price is also counsel to Calamos. Certain matters will be passed upon for the underwriters by Simpson Thacher & Bartlett LLP, New York, New York. Vedder Price and Simpson Thacher & Bartlett LLP may rely on matters of Delaware law on the opinion of Morris, Nichols, Arsht & Tunnell, Wilmington, Delaware.

59

TABLE OF CONTENTS FOR STATEMENT OF ADDITIONAL INFORMATION

Use of Proceeds........................................................   S-1
Investment Restrictions................................................  S-23
Management of the Fund.................................................  S-25
Portfolio Transactions.................................................  S-35
Repurchase of Common Shares............................................  S-36
U.S. Federal Income Tax Matters........................................  S-37
Experts................................................................  S-43
Additional Information.................................................  S-43
Financial Statements...................................................   F-1
Appendix A -- Description of Ratings...................................   A-1

60



SHARES

(CALAMOS INVESTMENTS LOGO)

CALAMOS GLOBAL DYNAMIC INCOME FUND
COMMON SHARES OF BENEFICIAL INTEREST
$15.00 per share


PROSPECTUS
, 2007


WACHOVIA SECURITIES
CITI
ROBERT W. BAIRD & CO.
H&R BLOCK FINANCIAL ADVISORS, INC.
CROWELL, WEEDON & CO.
FERRIS, BAKER, WATTS
INCORPORATED
JANNEY MONTGOMERY SCOTT LLC
RBC CAPITAL MARKETS
RYAN BECK & CO.
SOUTHWEST SECURITIES
STIFEL NICOLAUS
WEDBUSH MORGAN SECURITIES INC.
WELLS FARGO SECURITIES

SEC FILE NUMBER: 811-22047
333-142056




The information in this Statement of Additional Information is not complete and may be changed. We may not sell these securities until the Registration Statement filed with the Securities and Exchange Commission is effective. This Statement of Additional Information is not an offer to sell these securities and is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.

SUBJECT TO COMPLETION, DATED JUNE 22, 2007

CALAMOS GLOBAL DYNAMIC INCOME FUND

STATEMENT OF ADDITIONAL INFORMATION

Calamos Global Dynamic Income Fund (the "Fund") is a newly organized, diversified, closed-end management investment company. This Statement of Additional Information relating to common shares does not constitute a prospectus, but should be read in conjunction with the Prospectus relating thereto dated ________ __, 2007. This Statement of Additional Information does not include all information that a prospective investor should consider before purchasing common shares, and investors should obtain and read the Prospectus prior to purchasing such shares. A copy of the Prospectus may be obtained without charge by calling 1.800.582.6959. You may also obtain a copy of the Prospectus on the Securities and Exchange Commission's web site (http://www.sec.gov).

Use of Proceeds..........................................................    S-1
Investment Restrictions..................................................   S-23
Management of the Fund...................................................   S-25
Portfolio Transactions...................................................   S-36
Repurchase of Common Shares..............................................   S-37
U.S. Federal Income Tax Matters..........................................   S-39
Experts..................................................................   S-44
Additional Information...................................................   S-45
Financial Statements.....................................................    F-1
Appendix A--Description of Ratings.......................................    A-1

This Statement of Additional Information is dated _______ __, 2007.


USE OF PROCEEDS

The Fund will invest the net proceeds of the offering in accordance with the Fund's investment objective and policies as stated below and in the Prospectus. It is presently anticipated that the Fund will invest substantially all of the net proceeds in securities that meet the investment objective and policies within three months after completion of the offering. Pending such investment, the net proceeds may be invested in U.S. government securities and high grade, short-term money market instruments. If necessary, the Fund may also purchase, as temporary investments, securities of other open- or closed-end investment companies that invest primarily in the types of securities in which the Fund may invest directly.

INVESTMENT OBJECTIVE AND POLICIES

The Prospectus presents the investment objective and the principal investment strategies and risks of the Fund. This section supplements the disclosure in the Fund's Prospectus and provides additional information on the Fund's investment policies or restrictions. Restrictions or policies stated as a maximum percentage of the Fund's assets are only applied immediately after a portfolio investment to which the policy or restriction is applicable (other than the limitations on borrowing). Accordingly, any later increase or decrease resulting from a change in values, net assets or other circumstances will not be considered in determining whether the investment complies with the Fund's restrictions and policies.

PRIMARY INVESTMENTS. Under normal circumstances, the Fund will invest primarily in a globally diversified portfolio of convertible instruments, common and preferred stocks, and income-producing securities such as investment grade and below investment grade (high yield/high risk) debt securities. The Fund may also incorporate other income-producing strategies. The Fund, under normal circumstances, will invest at least 40% of its managed assets in securities of foreign issuers, including debt and equity securities of corporate issuers and debt securities of government issuers, in developed and emerging markets. The Fund will maintain a balanced approach to geographic portfolio diversification. "Managed assets" means the total assets of the Fund (including any assets attributable to any leverage that may be outstanding) minus the sum of accrued liabilities (other than debt representing financial leverage). For this purpose the liquidation preference on any preferred shares will not constitute a liability.

FOREIGN SECURITIES. The Fund may invest up to 100% of its managed assets in securities of foreign issuers, including debt and equity securities of corporate issuers and debt securities of government issuers, in developed and emerging markets. The Fund will invest in the securities of issuers located in at least three markets, which may include the United States. A significant portion of the Fund's assets will be invested in foreign securities. A foreign issuer is a foreign government or company organized under the laws of a foreign country.

Investors should understand and consider carefully the risks involved in foreign investing. Investing in foreign securities, which are generally denominated in foreign currencies, and utilization of forward foreign currency exchange contracts involve certain considerations comprising both risks and opportunities not typically associated with investing in U.S. securities. These considerations include: fluctuations in exchange rates of foreign currencies; possible imposition of exchange control regulation or currency restrictions that would prevent cash from being brought back to the United States; less public information with respect to issuers of securities; less governmental supervision of stock exchanges, securities brokers, and issuers of securities; lack of uniform accounting, auditing and financial reporting standards; lack of uniform settlement periods and trading practices; less liquidity and frequently greater price volatility in foreign markets than in the United States; possible imposition of foreign taxes; and sometimes less advantageous legal, operational and financial protections applicable to foreign sub-custodial arrangements.

S-1

Although the Fund intends to invest in companies and government securities of countries having stable political environments, there is the possibility of expropriation or confiscatory taxation, seizure or nationalization of foreign bank deposits or other assets, establishment of exchange controls, the adoption of foreign government restrictions, or other adverse political, social or diplomatic developments that could affect investment in these nations.

The Fund may invest in the securities of issuers located in emerging market countries. The securities markets of emerging countries are substantially smaller, less developed, less liquid and more volatile than the securities markets of the U.S. and other more developed countries. Disclosure and regulatory standards in many respects are less stringent than in the U.S. and other major markets. There also may be a lower level of monitoring and regulation of emerging markets and the activities of investors in such markets, and enforcement of existing regulations has been extremely limited. Economies in individual emerging markets may differ favorably or unfavorably from the U.S. economy in such respects as growth of gross domestic product, rates of inflation, currency depreciation, capital reinvestment, resource self-sufficiency and balance of payments positions. Many emerging market countries have experienced high rates of inflation for many years, which has had and may continue to have very negative effects on the economies and securities markets of those countries.

CURRENCY EXCHANGE TRANSACTIONS. Currency exchange transactions may be conducted either on a spot (i.e., cash) basis at the spot rate for purchasing or selling currency prevailing in the foreign exchange market or through forward currency exchange contracts ("forward contracts"). Forward contracts are contractual agreements to purchase or sell a specified currency at a specified future date (or within a specified time period) and price set at the time of the contract. Forward contracts are usually entered into with banks, foreign exchange dealers and broker-dealers, are not exchange traded, and are usually for less than one year, but may be renewed.

Forward currency exchange transactions may involve currencies of the different countries in which the Fund may invest and serve as hedges against possible variations in the exchange rate between these currencies and the U.S. dollar. Currency exchange transactions are limited to transaction hedging and portfolio hedging involving either specific transactions or portfolio positions, except to the extent described below under "Synthetic Foreign Money Market Positions." Transaction hedging is the purchase or sale of forward contracts with respect to specific receivables or payables of the Fund accruing in connection with the purchase and sale of its portfolio securities or the receipt of dividends or interest thereon. Portfolio hedging is the use of forward contracts with respect to portfolio security positions denominated or quoted in a particular foreign currency. Portfolio hedging allows the Fund to limit or reduce its exposure in a foreign currency by entering into a forward contract to sell such foreign currency (or another foreign currency that acts as a proxy for that currency) at a future date for a price payable in U.S. dollars so that the value of the foreign denominated portfolio securities can be approximately matched by a foreign denominated liability. The Fund may not engage in portfolio hedging with respect to the currency of a particular country to an extent greater than the aggregate market value (at the time of making such sale) of the securities held in its portfolio denominated or quoted in that particular currency, except that the Fund may hedge all or part of its foreign currency exposure through the use of a basket of currencies or a proxy currency where such currencies or currency act as an effective proxy for other currencies. In such a case, the Fund may enter into a forward contract where the amount of the foreign currency to be sold exceeds the value of the securities denominated in such currency. The use of this basket hedging technique may be more efficient and economical than entering into separate forward contracts for each currency held in the Fund. The Fund may not engage in "speculative" currency exchange transactions.

If the Fund enters into a forward contract, the Fund's custodian will segregate liquid assets of the Fund having a value equal to the Fund's commitment under such forward contract. At the maturity of the

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forward contract to deliver a particular currency, the Fund may either sell the portfolio security related to the contract and make delivery of the currency, or it may retain the security and either acquire the currency on the spot market or terminate its contractual obligation to deliver the currency by purchasing an offsetting contract with the same currency trader obligating it to purchase on the same maturity date the same amount of the currency. It is impossible to forecast with absolute precision the market value of portfolio securities at the expiration of a forward contract. Accordingly, it may be necessary for a Fund to purchase additional currency on the spot market (and bear the expense of such purchase) if the market value of the security is less than the amount of currency the Fund is obligated to deliver and if a decision is made to sell the security and make delivery of the currency. Conversely, it may be necessary to sell on the spot market some of the currency received upon the sale of the portfolio security if its market value exceeds the amount of currency the Fund is obligated to deliver.

If the Fund retains the portfolio security and engages in an offsetting transaction, the Fund will incur a gain or a loss to the extent that there has been movement in forward contract prices. If the Fund engages in an offsetting transaction, it may subsequently enter into a new forward contract to sell the currency. Should forward prices decline during the period between the Fund's entering into a forward contract for the sale of a currency and the date it enters into an offsetting contract for the purchase of the currency, the Fund will realize a gain to the extent the price of the currency it has agreed to sell exceeds the price of the currency it has agreed to purchase. Should forward prices increase, the Fund will suffer a loss to the extent the price of the currency it has agreed to purchase exceeds the price of the currency it has agreed to sell. A default on the contract would deprive the Fund of unrealized profits or force the Fund to cover its commitments for purchase or sale of currency, if any, at the current market price.

Hedging against a decline in the value of a currency does not eliminate fluctuations in the value of a portfolio security traded in that currency or prevent a loss if the value of the security declines. Hedging transactions also preclude the opportunity for gain if the value of the hedged currency should rise. Moreover, it may not be possible for a Fund to hedge against a devaluation that is so generally anticipated that the Fund is not able to contract to sell the currency at a price above the devaluation level it anticipates. The cost to the Fund of engaging in currency exchange transactions varies with such factors as the currency involved, the length of the contract period, and prevailing market conditions.

OPTIONS ON SECURITIES, INDEXES AND CURRENCIES. The Fund may purchase and sell put options and call options on securities, indexes or foreign currencies. The Fund may purchase agreements, sometimes called cash puts, that may accompany the purchase of a new issue of bonds from a dealer.

A put option gives the purchaser of the option, upon payment of a premium, the right to sell, and the writer the obligation to buy, the underlying security, commodity, index, currency or other instrument at the exercise price. For instance, the Fund's purchase of a put option on a security might be designed to protect its holdings in the underlying instrument (or, in some cases, a similar instrument) against a substantial decline in the market value by giving the Fund the right to sell such instrument at the option exercise price. A call option, upon payment of a premium, gives the purchaser of the option the right to buy, and the seller the obligation to sell, the underlying instrument at the exercise price. The Fund's purchase of a call option on a security, financial future, index, currency or other instrument might be intended to protect a fund against an increase in the price of the underlying instrument that it intends to purchase in the future by fixing the price at which it may purchase such instrument.

The Fund is authorized to purchase and sell exchange listed options and over-the-counter options ("OTC options"). Exchange listed options are issued by a regulated intermediary such as the Options Clearing Corporation ("OCC"), which guarantees the performance of the obligations of the parties to such options. The discussion below uses the OCC as an example, but is also applicable to other financial intermediaries.

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With certain exceptions, OCC issued and exchange listed options generally settle by physical delivery of the underlying security or currency, although in the future cash settlement may become available. Index options and Eurodollar instruments are cash settled for the net amount, if any, by which the option is "in-the-money" (i.e., where the value of the underlying instrument exceeds, in the case of a call option, or is less than, in the case of a put option, the exercise price of the option) at the time the option is exercised. Frequently, rather than taking or making delivery of the underlying instrument through the process of exercising the option, listed options are closed by entering into offsetting purchase or sale transactions that do not result in ownership of the new option.

OTC options are purchased from or sold to securities dealers, financial institutions or other parties ("Counterparties") through direct bilateral agreement with the Counterparty. In contrast to exchange listed options, which generally have standardized terms and performance mechanics, all the terms of an OTC option, including such terms as method of settlement, term, exercise price, premium, guarantees and security, are set by negotiation of the parties. The Fund may sell OTC options (other than OTC currency options) that are subject to a buy-back provision permitting the Fund to require the Counterparty to sell the option back to a fund at a formula price within seven days. The Fund expects generally to enter into OTC options that have cash settlement provisions, although it is not required to do so. The staff of the Commission currently takes the position that OTC options purchased by a fund, and portfolio securities "covering" the amount of a fund's obligation pursuant to an OTC option sold by it (or the amount of assets equal to the formula price for the repurchase of the option, if any, less the amount by which the option is in the money) are illiquid.

The Fund may also purchase and sell options on securities indices and other financial indices. Options on securities indices and other financial indices are similar to options on a security or other instrument except that, rather than settling by physical delivery of the underlying instrument, they settle by cash settlement, i.e., an option or an index gives the holder the right to receive, upon exercise of the option, an amount of cash if the closing level of the index upon which the option is based exceeds, in the case of a call, or is less than, in the case of a put, the exercise price of the option (except if, in the case of an OTC option, physical delivery is specified). This amount of cash is equal to the excess of the closing price of the index over the exercise price of the option, which also may be multiplied by a formula value. The seller of the option is obligated, in return for the premium received, to make delivery of this amount. The gain or loss on an option on an index depends on price movements in the instruments making upon the market, market segment, industry or other composite on which the underlying index is based, rather than price movements in individual securities, as is the case with respect to options on securities.

The Fund will write call options and put options only if they are "covered." For example, a call option written by the Fund will require the Fund to hold the securities subject to the call (or securities convertible into the needed securities without additional consideration) or to segregate cash or liquid assets sufficient to purchase and deliver the securities if the call is exercised. A call option sold by the Fund on an index will require the Fund to own portfolio securities which correlate with the index or to segregate cash or liquid assets equal to the excess of the index value over the exercise price on a current basis. A put option written by the Fund requires the Fund to segregate cash or liquid assets equal to the exercise price.

OTC options entered into by the Fund and OCC issued and exchange listed index options will generally provide for cash settlement. As a result, when the Fund sells these instruments it will only segregate an amount of cash or liquid assets equal to its accrued net obligations, as there is no requirement for payment or delivery of amounts in excess of the net amount. These amounts will equal 100% of the exercise price in the case of a non cash-settled put, the same as an OCC guaranteed listed option sold by the Fund, or the in-the-money amount plus any sell-back formula amount in the case of a cash-settled put or call. In addition, when the Fund sells a call option on an index at a time when the in-

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the-money amount exceeds the exercise price, the Fund will segregate, until the option expires or is closed out, cash or cash equivalents equal in value to such excess. OCC issued and exchange listed options sold by the Fund other than those above generally settle with physical delivery, or with an election of either physical delivery or cash settlement, and the Fund will segregate an amount of cash or liquid assets equal to the full value of the option. OTC options settling with physical delivery, or with an election of either physical delivery or cash settlement, will be treated the same as other options settling with physical delivery.

If an option written by the Fund expires, the Fund realizes a capital gain equal to the premium received. If an option purchased by the Fund expires, the Fund realizes a capital loss equal to the premium paid.

The Fund will realize a capital gain from a closing purchase transaction if the cost of the closing option is less than the premium received from writing the option, or, if it is more, the Fund will realize a capital loss. If the premium received from a closing sale transaction is more than the premium paid to purchase the option, the Fund will realize a capital gain or, if it is less, the Fund will realize a capital loss. The principal factors affecting the market value of a put or a call option include supply and demand, interest rates, the current market price of the underlying security or index in relation to the exercise price of the option, the volatility of the underlying security or index, and the time remaining until the expiration date.

A put or call option purchased by the Fund is an asset of the Fund, valued initially at the premium paid for the option. The premium received for an option written by the Fund is recorded as a deferred credit. The value of an option purchased or written is marked-to-market daily and is valued at the closing price on the exchange on which it is traded or, if not traded on an exchange or no closing price is available, at the mean between the last bid and asked prices.

RISKS ASSOCIATED WITH OPTIONS. There are several risks associated with transactions in options. For example, there are significant differences between the securities markets, the currency markets and the options markets that could result in an imperfect correlation among these markets, causing a given transaction not to achieve its objectives. A decision as to whether, when and how to use options involves the exercise of skill and judgment, and even a well-conceived transaction may be unsuccessful to some degree because of market behavior or unexpected events. The ability of the Fund to utilize options successfully will depend on the ability of the Fund's investment adviser, Calamos Advisors LLC ("Calamos"), to predict pertinent market investments, which cannot be assured. As the Fund writes covered calls over more of its portfolio, its ability to benefit from capital appreciation becomes more limited and the risk of net asset value erosion increases. If the Fund experiences net asset value erosion, which itself may have an indirect negative effect on the market price of the Fund's shares, the Fund will have a reduced asset base over which to write covered calls, which may eventually lead to reduced distributions to shareholders.

The Fund's ability to close out its position as a purchaser or seller of an OCC or exchange listed put or call option is dependent, in part, upon the liquidity of the option market. Among the possible reasons for the absence of a liquid option market on an exchange are: (i) insufficient trading interest in certain options; (ii) restrictions on transactions imposed by an exchange; (iii) trading halts, suspensions or other restrictions imposed with respect to particular classes or series of options or underlying securities including reaching daily price limits; (iv) interruption of the normal operations of the OCC or an exchange; (v) inadequacy of the facilities of an exchange or OCC to handle current trading volume; or (vi) a decision by one or more exchanges to discontinue the trading of options (or a particular class or series of options), in which event the relevant market for that option on that exchange would cease to exist, although outstanding options on that exchange would generally continue to be exercisable in accordance with their terms. If the Fund were unable to close out an option that it has purchased on a security, it would have to exercise the option in order to realize any profit or the option would expire and become worthless. If the Fund were unable to close out a covered call option that it had written on a security, it would not be able to sell the underlying security until the option expired. As the writer of a covered call option on a security, the Fund foregoes, during the option's life, the opportunity to profit

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from increases in the market value of the security covering the call option above the sum of the premium and the exercise price of the call. As the writer of a covered call option on a foreign currency, the Fund foregoes, during the option's life, the opportunity to profit from currency appreciation.

The hours of trading for listed options may not coincide with the hours during which the underlying financial instruments are traded. To the extent that the option markets close before the markets for the underlying financial instruments, significant price and rate movements can take place in the underlying markets that cannot be reflected in the option markets.

Unless the parties provide for it, there is no central clearing or guaranty function in an OTC option. As a result, if the Counterparty (as described above under "Options on Securities, Indexes and Currencies") fails to make or take delivery of the security, currency or other instrument underlying an OTC option it has entered into with the Fund or fails to make a cash settlement payment due in accordance with the terms of that option, the Fund will lose any premium it paid for the option as well as any anticipated benefit of the transaction. Accordingly, Calamos must assess the creditworthiness of each such Counterparty or any guarantor or credit enhancement of the Counterparty's credit to determine the likelihood that the terms of the OTC option will be satisfied. The Fund will engage in OTC option transactions only with U.S. government securities dealers recognized by the Federal Reserve Bank of New York as "primary dealers" or broker/dealers, domestic or foreign banks or other financial institutions which have received (or the guarantors of the obligation of which have received) a short-term credit rating of A-1 from S&P or P-1 from Moody's or an equivalent rating from any nationally recognized statistical rating organization ("NRSRO") or, in the case of OTC currency transactions, are determined to be of equivalent credit quality by Calamos.

The Fund may purchase and sell call options on securities indices and currencies. All calls sold by the Fund must be "covered." Even though the Fund will receive the option premium to help protect it against loss, a call sold by the Fund exposes the Fund during the term of the option to possible loss of opportunity to realize appreciation in the market price of the underlying security or instrument and may require the Fund to hold a security or instrument which it might otherwise have sold. The Fund may purchase and sell put options on securities indices and currencies. In selling put options, there is a risk that the Fund may be required to buy the underlying security at a disadvantageous price above the market price.

EQUITY SECURITIES. Equity securities include common and preferred stocks, warrants, rights, and depository receipts. An investment in the equity securities of a company represents a proportionate ownership interest in that company. Therefore, the Fund participates in the financial success or failure of any company in which it has an equity interest. Equity investments are subject to greater fluctuations in market value than other asset classes as a result of such factors as a company's business performance, investor perceptions, stock market trends and general economic conditions. Equity securities are subordinated to bonds and other debt instruments in a company's capital structure in terms of priority to corporate income and liquidation payments.

Preferred stocks involve credit risk, which is the risk that a preferred stock in the Fund's portfolio will decline in price or fail to make dividend payments when due because the issuer of the security experiences a decline in its financial status. In addition to credit risk, investments in preferred stocks involve certain other risks. Certain preferred stocks contain provisions that allow an issuer under certain circumstances to skip distributions (in the case of "non-cumulative" preferred stocks) or defer distributions (in the case of "cumulative" preferred stocks). If the Fund owns a preferred stock that is deferring its distributions, the Fund may be required to report income for federal income tax purposes while it is not receiving income from that stock. In certain varying circumstances, an issuer may redeem its preferred stock prior to a specified date in the event of certain tax or legal changes or at the issuer's call. In the

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event of a redemption, the Fund may not be able to reinvest the proceeds at comparable rates of return. Preferred stocks typically do not provide any voting rights, except in cases when dividends are in arrears for a specified number of periods.

Equity securities of small and medium-sized companies historically have been subject to greater investment risk than those of large companies. The risks generally associated with small and medium-sized companies include more limited product lines, markets and financial resources, lack of management depth or experience, dependency on key personnel and vulnerability to adverse market and economic developments. Accordingly, the prices of small and medium-sized company equity securities tend to be more volatile than prices of large company stocks. Further, the prices of small and medium-sized company equity securities are often adversely affected by limited trading volumes and the lack of publicly available information.

HIGH YIELD SECURITIES. The high yield securities in which the Fund may invest are rated Ba or lower by Moody's or BB or lower by Standard & Poor's or are unrated but determined by Calamos to be of comparable quality. Non-convertible debt securities rated below investment grade are commonly referred to as "junk bonds" and are considered speculative with respect to the issuer's capacity to pay interest and repay principal.

Below investment grade non-convertible debt securities or comparable unrated securities are commonly referred to as "junk bonds" and are considered predominantly speculative with respect to the issuer's ability to pay interest and principal and are susceptible to default or decline in market value due to adverse economic and business developments. The market values for high yield securities tend to be very volatile, and these securities are less liquid than investment grade debt securities. For these reasons, your investment in the Fund is subject to the following specific risks:

- increased price sensitivity to changing interest rates and to a deteriorating economic environment;

- greater risk of loss due to default or declining credit quality;

- adverse company specific events are more likely to render the issuer unable to make interest and/or principal payments; and

- if a negative perception of the high yield market develops, the price and liquidity of high yield securities may be depressed. This negative perception could last for a significant period of time.

Securities rated below investment grade are speculative with respect to the capacity to pay interest and repay principal in accordance with the terms of such securities. A rating of C from Moody's means that the issue so rated can be regarded as having extremely poor prospects of ever attaining any real investment standing. Standard & Poor's assigns a rating of C to issues that are currently highly vulnerable to nonpayment, and the C rating may be used to cover a situation where a bankruptcy petition has been filed or similar action taken, but payments on the obligation are being continued (a C rating is also assigned to a preferred stock issue in arrears on dividends or sinking fund payments, but that is currently paying). See Appendix A to this Statement of Additional Information for a description of Moody's and Standard & Poor's ratings.

Adverse changes in economic conditions are more likely to lead to a weakened capacity of a high yield issuer to make principal payments and interest payments than an investment grade issuer. The principal amount of high yield securities outstanding has proliferated in the past decade as an increasing number of issuers have used high yield securities for corporate financing. An economic downturn could

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severely affect the ability of highly leveraged issuers to service their debt obligations or to repay their obligations upon maturity. Similarly, downturns in profitability in specific industries could adversely affect the ability of high yield issuers in that industry to meet their obligations. The market values of lower quality debt securities tend to reflect individual developments of the issuer to a greater extent than do higher quality securities, which react primarily to fluctuations in the general level of interest rates. Factors having an adverse impact on the market value of lower quality securities may have an adverse effect on the Fund's net asset value and the market value of its common shares. In addition, the Fund may incur additional expenses to the extent it is required to seek recovery upon a default in payment of principal or interest on its portfolio holdings. In certain circumstances, the Fund may be required to foreclose on an issuer's assets and take possession of its property or operations. In such circumstances, the Fund would incur additional costs in disposing of such assets and potential liabilities from operating any business acquired.

The secondary market for high yield securities may not be as liquid as the secondary market for more highly rated securities, a factor which may have an adverse effect on the Fund's ability to dispose of a particular security when necessary to meet its liquidity needs. There are fewer dealers in the market for high yield securities than investment grade obligations. The prices quoted by different dealers may vary significantly and the spread between the bid and asked price is generally much larger than higher quality instruments. Under adverse market or economic conditions, the secondary market for high yield securities could contract further, independent of any specific adverse changes in the condition of a particular issuer, and these instruments may become illiquid. As a result, the Fund could find it more difficult to sell these securities or may be able to sell the securities only at prices lower than if such securities were widely traded. Prices realized upon the sale of such lower rated or unrated securities, under these circumstances, may be less than the prices used in calculating the Fund's net asset value.

Because investors generally perceive that there are greater risks associated with lower quality debt securities of the type in which the Fund may invest a portion of its assets, the yields and prices of such securities may tend to fluctuate more than those for higher rated securities. In the lower quality segments of the debt securities market, changes in perceptions of issuers' creditworthiness tend to occur more frequently and in a more pronounced manner than do changes in higher quality segments of the debt securities market, resulting in greater yield and price volatility.

If the Fund invests in high yield securities that are rated C or below, the Fund will incur significant risk in addition to the risks associated with investments in high yield securities and corporate loans. Distressed securities frequently do not produce income while they are outstanding. The Fund may purchase distressed securities that are in default or the issuers of which are in bankruptcy. The Fund may be required to bear certain extraordinary expenses in order to protect and recover its investment.

DISTRESSED SECURITIES. The Fund may, but currently does not intend to, invest up to 5% of its total assets in distressed securities, including corporate loans, which are the subject of bankruptcy proceedings or otherwise in default as to the repayment of principal and/or payment of interest at the time of acquisition by the Fund or are rated in the lower rating categories (Ca or lower by Moody's or CC or lower by Standard & Poor's) or which are unrated investments considered by Calamos to be of comparable quality. Investment in distressed securities is speculative and involves significant risk. Distressed securities frequently do not produce income while they are outstanding and may require the Fund to bear certain extraordinary expenses in order to protect and recover its investment. Therefore, to the extent the Fund seeks capital appreciation through investment in distressed securities, the Fund's ability to achieve current income for its shareholders may be diminished. The Fund also will be subject to significant uncertainty as to when and in what manner and for what value the obligations evidenced by the distressed securities will eventually be satisfied (e.g., through a liquidation of the obligor's assets, an exchange offer or plan of reorganization involving the distressed securities or a payment of some amount

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in satisfaction of the obligation). In addition, even if an exchange offer is made or a plan of reorganization is adopted with respect to distressed securities held by the Fund, there can be no assurance that the securities or other assets received by the Fund in connection with such exchange offer or plan of reorganization will not have a lower value or income potential than may have been anticipated when the investment was made. Moreover, any securities received by the Fund upon completion of an exchange offer or plan of reorganization may be restricted as to resale. As a result of the Fund's participation in negotiations with respect to any exchange offer or plan of reorganization with respect to an issuer of distressed securities, the Fund may be restricted from disposing of such securities.

LOANS. The Fund may invest up to 5% of its total assets in loan participations and other direct claims against a borrower. The corporate loans in which the Fund may invest primarily consist of direct obligations of a borrower and may include debtor in possession financings pursuant to Chapter 11 of the U.S. Bankruptcy Code, obligations of a borrower issued in connection with a restructuring pursuant to Chapter 11 of the U.S. Bankruptcy Code, leveraged buy-out loans, leveraged recapitalization loans, receivables purchase facilities, and privately placed notes. The Fund may invest in a corporate loan at origination as a co-lender or by acquiring in the secondary market participations in, assignments of or novations of a corporate loan. By purchasing a participation, the Fund acquires some or all of the interest of a bank or other lending institution in a loan to a corporate or government borrower. The participations typically will result in the Fund having a contractual relationship only with the lender not the borrower. The Fund will have the right to receive payments of principal, interest and any fees to which it is entitled only from the lender selling the participation and only upon receipt by the lender of the payments from the borrower. Many such loans are secured, although some may be unsecured. Such loans may be in default at the time of purchase. Loans that are fully secured offer the Fund more protection than an unsecured loan in the event of non-payment of scheduled interest or principal. However, there is no assurance that the liquidation of collateral from a secured loan would satisfy the corporate borrower's obligation, or that the collateral can be liquidated. Direct debt instruments may involve a risk of loss in case of default or insolvency of the borrower and may offer less legal protection to the Fund in the event of fraud or misrepresentation. In addition, loan participations involve a risk of insolvency of the lending bank or other financial intermediary. The markets in loans are not regulated by federal securities laws or the Securities and Exchange Commission (the "Commission").

As in the case of other high yield investments, such corporate loans may be rated in the lower rating categories of the established rating services (Ba or lower by Moody's or BB or lower by Standard & Poor's), or may be unrated investments considered by Calamos to be of comparable quality. As in the case of other high yield investments, such corporate loans can be expected to provide higher yields than lower yielding, higher rated fixed income securities, but may be subject to greater risk of loss of principal and income. There are, however, some significant differences between corporate loans and high yield bonds. Corporate loan obligations are frequently secured by pledges of liens and security interests in the assets of the borrower, and the holders of corporate loans are frequently the beneficiaries of debt service subordination provisions imposed on the borrower's bondholders. These arrangements are designed to give corporate loan investors preferential treatment over high yield investors in the event of a deterioration in the credit quality of the issuer. Even when these arrangements exist, however, there can be no assurance that the borrowers of the corporate loans will repay principal and/or pay interest in full. Corporate loans generally bear interest at rates set at a margin above a generally recognized base lending rate that may fluctuate on a day-to-day basis, in the case of the prime rate of a U.S. bank, or which may be adjusted on set dates, typically 30 days but generally not more than one year, in the case of the London Interbank Offered Rate. Consequently, the value of corporate loans held by the Fund may be expected to fluctuate significantly less than the value of other fixed rate high yield instruments as a result of changes in the interest rate environment. On the other hand, the secondary dealer market for certain corporate loans may not be as well developed as the secondary dealer market for high yield bonds, and therefore presents increased market risk relating to liquidity and pricing concerns.

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SYNTHETIC FOREIGN MONEY MARKET POSITIONS. The Fund may invest in money market instruments denominated in foreign currencies. In addition to, or in lieu of, such direct investment, the Fund may construct a synthetic foreign money market position by (a) purchasing a money market instrument denominated in one currency, generally U.S. dollars, and (b) concurrently entering into a forward contract to deliver a corresponding amount of that currency in exchange for a different currency on a future date and at a specified rate of exchange. For example, a synthetic money market position in Japanese yen could be constructed by purchasing a U.S. dollar money market instrument, and entering concurrently into a forward contract to deliver a corresponding amount of U.S. dollars in exchange for Japanese yen on a specified date and at a specified rate of exchange. Because of the availability of a variety of highly liquid short-term U.S. dollar money market instruments, a synthetic money market position utilizing such U.S. dollar instruments may offer greater liquidity than direct investment in foreign currency and a concurrent construction of a synthetic position in such foreign currency, in terms of both income yield and gain or loss from changes in currency exchange rates, in general should be similar, but would not be identical because the components of the alternative investments would not be identical.

DEBT OBLIGATIONS OF NON-U.S. GOVERNMENTS. An investment in debt obligations of non-U.S. governments and their political subdivisions (sovereign debt) involves special risks that are not present in corporate debt obligations. The non-U.S. issuer of the sovereign debt or the non-U.S. governmental authorities that control the repayment of the debt may be unable or unwilling to repay principal or interest when due, and the Fund may have limited recourse in the event of a default. During periods of economic uncertainty, the market prices of sovereign debt may be more volatile than prices of debt obligations of U.S. issuers. In the past, certain non-U.S. countries have encountered difficulties in servicing their debt obligations, withheld payments of principal and interest and declared moratoria on the payment of principal and interest on their sovereign debt.

A sovereign debtor's willingness or ability to repay principal and pay interest in a timely manner may be affected by, among other factors, its cash flow situation, the extent of its foreign currency reserves, the availability of sufficient non-U.S. currency, the relative size of the debt service burden, the sovereign debtor's policy toward its principal international lenders and local political constraints.

Sovereign debtors may also be dependent on expected disbursements from non-U.S. governments, multilateral agencies and other entities to reduce principal and interest arrearages on their debt. The failure of a sovereign debtor to implement economic reforms, achieve specified levels of economic performance or repay principal or interest when due may result in the cancellation of third-party commitments to lend funds to the sovereign debtor, which may further impair such debtor's ability or willingness to service its debts.

EURODOLLAR INSTRUMENTS AND SAMURAI AND YANKEE BONDS. The Fund may invest in Eurodollar instruments and Samurai and Yankee bonds. Eurodollar instruments are bonds of corporate and government issuers that pay interest and principal in U.S. dollars but are issued in markets outside the United States, primarily in Europe. Samurai bonds are yen-denominated bonds sold in Japan by non-Japanese issuers. Yankee bonds are U.S. dollar-denominated bonds typically issued in the U.S. by non-U.S. governments and their agencies and non-U.S. banks and corporations. The Fund may also invest in Eurodollar Certificates of Deposit ("ECDs"), Eurodollar Time Deposits ("ETDs") and Yankee Certificates of Deposit ("Yankee CDs"). ECDs are U.S. dollar-denominated certificates of deposit issued by non-U.S. branches of domestic banks; ETDs are U.S. dollar-denominated deposits in a non-U.S. branch of a U.S. bank or in a non-U.S. bank; and Yankee CDs are U.S. dollar-denominated certificates of deposit issued by a U.S. branch of a non-U.S. bank and held in the U.S. These investments involve risks that are different from investments in securities issued by U.S. issuers, including potential unfavorable political and economic developments, non-U.S. withholding or other taxes, seizure of non-U.S. deposits,

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currency controls, interest limitations or other governmental restrictions which might affect payment of principal or interest.

CONVERTIBLE SECURITIES. Convertible securities include any corporate debt security or preferred stock that may be converted into underlying shares of common stock. The common stock underlying convertible securities may be issued by a different entity than the issuer of the convertible securities. Convertible securities entitle the holder to receive interest payments paid on corporate debt securities or the dividend preference on a preferred stock until such time as the convertible security matures or is redeemed or until the holder elects to exercise the conversion privilege. As a result of the conversion feature, however, the interest rate or dividend preference on a convertible security is generally less than would be the case if the securities were issued in non-convertible form.

The value of convertible securities is influenced by both the yield of non-convertible securities of comparable issuers and by the value of the underlying common stock. The value of a convertible security viewed without regard to its conversion feature (i.e., strictly on the basis of its yield) is sometimes referred to as its "investment value." The investment value of the convertible security typically will fluctuate inversely with changes in prevailing interest rates. However, at the same time, the convertible security will be influenced by its "conversion value," which is the market value of the underlying common stock that would be obtained if the convertible security were converted. Conversion value fluctuates directly with the price of the underlying common stock.

If, because of a low price of the common stock, the conversion value is substantially below the investment value of the convertible security, the price of the convertible security is governed principally by its investment value. If the conversion value of a convertible security increases to a point that approximates or exceeds its investment value, the value of the security will be principally influenced by its conversion value. A convertible security will sell at a premium over its conversion value to the extent investors place value on the right to acquire the underlying common stock while holding a fixed income security. Holders of convertible securities have a claim on the assets of the issuer prior to the common stockholders, but may be subordinated to holders of similar non-convertible securities of the same issuer.

SYNTHETIC CONVERTIBLE SECURITIES. Calamos may create a "synthetic" convertible security by combining fixed income securities with the right to acquire equity securities. More flexibility is possible in the assembly of a synthetic convertible security than in the purchase of a convertible security. Although synthetic convertible securities may be selected where the two components are issued by a single issuer, thus making the synthetic convertible security similar to the true convertible security, the character of a synthetic convertible security allows the combination of components representing distinct issuers, when Calamos believes that such a combination would better promote the Fund's investment objective. A synthetic convertible security also is a more flexible investment in that its two components may be purchased separately. For example, the Fund may purchase a warrant for inclusion in a synthetic convertible security but temporarily hold short-term investments while postponing the purchase of a corresponding bond pending development of more favorable market conditions.

A holder of a synthetic convertible security faces the risk of a decline in the price of the security or the level of the index involved in the convertible component, causing a decline in the value of the call option or warrant purchased to create the synthetic convertible security. Should the price of the stock fall below the exercise price and remain there throughout the exercise period, the entire amount paid for the call option or warrant would be lost. Because a synthetic convertible security includes the fixed-income component as well, the holder of a synthetic convertible security also faces the risk that interest rates will rise, causing a decline in the value of the fixed-income instrument.

The Fund may also purchase synthetic convertible securities manufactured by other parties, including convertible structured notes. Convertible structured notes are fixed income debentures linked to

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equity, and are typically issued by investment banks. Convertible structured notes have the attributes of a convertible security, however, the investment bank that issued the convertible note assumes the credit risk associated with the investment, rather than the issuer of the underlying common stock into which the note is convertible.

LENDING OF PORTFOLIO SECURITIES. The Fund may lend its portfolio securities to broker-dealers and banks. Any such loan must be continuously secured by collateral in cash or cash equivalents maintained on a current basis in an amount at least equal to the market value of the securities loaned by the Fund. The Fund would continue to receive the equivalent of the interest or dividends paid by the issuer on the securities loaned, and would also receive an additional return that may be in the form of a fixed fee or a percentage of the collateral. The Fund may pay reasonable fees to persons unaffiliated with the Fund for services in arranging these loans. The Fund would have the right to call the loan and obtain the securities loaned at any time on notice of not more than five business days. The Fund would not have the right to vote the securities during the existence of the loan but would call the loan to permit voting of the securities, if, in Calamos' judgment, a material event requiring a shareholder vote would otherwise occur before the loan was repaid. In the event of bankruptcy or other default of the borrower, the Fund could experience both delays in liquidating the loan collateral or recovering the loaned securities and losses, including (a) possible decline in the value of the collateral or in the value of the securities loaned during the period while the Fund seeks to enforce its rights thereto, (b) possible subnormal levels of income and lack of access to income during this period, and (c) expenses of enforcing its rights.

FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS. The Fund may use interest rate futures contracts, index futures contracts and foreign currency futures contracts. An interest rate, index or foreign currency futures contract provides for the future sale by one party and purchase by another party of a specified quantity of a financial instrument or the cash value of an index(1) at a specified price and time. A public market exists in futures contracts covering a number of indexes (including, but not limited to: the Standard & Poor's 500 Index, the Russell 2000 Index, the Value Line Composite Index, and the New York Stock Exchange Composite Index) as well as financial instruments (including, but not limited to: U.S. Treasury bonds, U.S. Treasury notes, Eurodollar certificates of deposit and foreign currencies). Other index and financial instrument futures contracts are available and it is expected that additional futures contracts will be developed and traded.

The Fund may purchase and write call and put futures options. Futures options possess many of the same characteristics as options on securities, indexes and foreign currencies (discussed above). A futures option gives the holder the right, in return for the premium paid, to assume a long position
(call) or short position (put) in a futures contract at a specified exercise price at any time during the period of the option. Upon exercise of a call option, the holder acquires a long position in the futures contract and the writer is assigned the opposite short position. In the case of a put option, the opposite is true. The Fund might, for example, use futures contracts to hedge against or gain exposure to fluctuations in the general level of stock prices, anticipated changes in interest rates or currency fluctuations that might adversely affect either the value of the Fund's securities or the price of the securities that the Fund intends to purchase. Although other techniques could be used to reduce or increase the Fund's exposure to stock price, interest rate and currency fluctuations, the Fund may be able to achieve its desired exposure more effectively and perhaps at a lower cost by using futures contracts and futures options.


(1) A futures contract on an index is an agreement pursuant to which two parties agree to take or make delivery of an amount of cash equal to the difference between the value of the index at the close of the last trading day of the contract and the price at which the index contract was originally written. Although the value of a securities index is a function of the value of certain specified securities, no physical delivery of those securities is made.

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The Fund will only enter into futures contracts and futures options that are standardized and traded on an exchange, board of trade or similar entity, or quoted on an automated quotation system.

The success of any futures transaction depends on Calamos correctly predicting changes in the level and direction of stock prices, interest rates, currency exchange rates and other factors. Should those predictions be incorrect, the Fund's return might have been better had the transaction not been attempted; however, in the absence of the ability to use futures contracts, Calamos might have taken portfolio actions in anticipation of the same market movements with similar investment results, but, presumably, at greater transaction costs. When a purchase or sale of a futures contract is made by the Fund, the Fund is required to deposit with its custodian (or broker, if legally permitted) a specified amount of cash or U.S. government securities or other securities acceptable to the broker ("initial margin"). The margin required for a futures contract is set by the exchange on which the contract is traded and may be modified during the term of the contract, although the Fund's broker may require margin deposits in excess of the minimum required by the exchange. The initial margin is in the nature of a performance bond or good faith deposit on the futures contract, which is returned to the Fund upon termination of the contract, assuming all contractual obligations have been satisfied. The Fund expects to earn interest income on its initial margin deposits. A futures contract held by the Fund is valued daily at the official settlement price of the exchange on which it is traded. Each day the Fund pays or receives cash, called "variation margin," equal to the daily change in value of the futures contract. This process is known as "marking-to-market." Variation margin paid or received by the Fund does not represent a borrowing or loan by the Fund but is instead settlement between the Fund and the broker of the amount one would owe the other if the futures contract had expired at the close of the previous day. In computing net asset value, the Fund will mark-to-market its open futures positions.

The Fund is also required to deposit and maintain margin with respect to put and call options on futures contracts written by it. Such margin deposits will vary depending on the nature of the underlying futures contract (and the related initial margin requirements), the current market value of the option and other futures positions held by the Fund. Although some futures contracts call for making or taking delivery of the underlying securities, usually these obligations are closed out prior to delivery by offsetting purchases or sales of matching futures contracts (same exchange, underlying security or index, and delivery month). If an offsetting purchase price is less than the original sale price, the Fund realizes a capital gain, or if it is more, the Fund realizes a capital loss. Conversely, if an offsetting sale price is more than the original purchase price, the Fund realizes a capital gain, or if it is less, the Fund realizes a capital loss. The transaction costs must also be included in these calculations.

RISKS ASSOCIATED WITH FUTURES. There are several risks associated with the use of futures contracts and futures options. A purchase or sale of a futures contract may result in losses in excess of the amount invested in the futures contract. In trying to increase or reduce market exposure, there can be no guarantee that there will be a correlation between price movements in the futures contract and in the portfolio exposure sought. In addition, there are significant differences between the securities and futures markets that could result in an imperfect correlation between the markets, causing a given transaction not to achieve its objectives. The degree of imperfection of correlation depends on circumstances such as: variations in speculative market demand for futures, futures options and the related securities, including technical influences in futures and futures options trading and differences between the securities markets and the securities underlying the standard contracts available for trading. For example, in the case of index futures contracts, the composition of the index, including the issuers and the weighing of each issue, may differ from the composition of the Fund's portfolio, and, in the case of interest rate futures contracts, the interest rate levels, maturities and creditworthiness of the issues underlying the futures contract may differ from the financial instruments held in the Fund's portfolio. A decision as to whether, when and how to use futures contracts involves the exercise of skill and judgment, and even a well-

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conceived transaction may be unsuccessful to some degree because of market behavior or unexpected stock price or interest rate trends.

Futures exchanges may limit the amount of fluctuation permitted in certain futures contract prices during a single trading day. The daily limit establishes the maximum amount that the price of a futures contract may vary either up or down from the previous day's settlement price at the end of the current trading session. Once the daily limit has been reached in a futures contract subject to the limit, no more trades may be made on that day at a price beyond that limit. The daily limit governs only price movements during a particular trading day and therefore does not limit potential losses because the limit may work to prevent the liquidation of unfavorable positions. For example, futures prices have occasionally moved to the daily limit for several consecutive trading days with little or no trading, thereby preventing prompt liquidation of positions and subjecting some holders of futures contracts to substantial losses. Stock index futures contracts are not normally subject to such daily price change limitations.

There can be no assurance that a liquid market will exist at a time when the Fund seeks to close out a futures or futures option position. The Fund would be exposed to possible loss on the position during the interval of inability to close, and would continue to be required to meet margin requirements until the position is closed. In addition, many of the contracts discussed above are relatively new instruments without a significant trading history. As a result, there can be no assurance that an active secondary market will develop or continue to exist.

LIMITATIONS ON OPTIONS AND FUTURES. If other options, futures contracts or futures options of types other than those described herein are traded in the future, the Fund may also use those investment vehicles, provided the Board of Trustees determines that their use is consistent with the Fund's investment objective.

When purchasing a futures contract or writing a put option on a futures contract, the Fund must maintain with its custodian (or broker, if legally permitted) cash or cash equivalents (including any margin) equal to the market value of such contract. When writing a call option on a futures contract, the Fund similarly will maintain with its custodian cash or cash equivalents (including any margin) equal to the amount by which such option is in the money until the option expires or is closed by the Fund.

The Fund may not maintain open short positions in futures contracts, call options written on futures contracts or call options written on indexes if, in the aggregate, the market value of all such open positions exceeds the current value of the securities in its portfolio, plus or minus unrealized gains and losses on the open positions, adjusted for the historical relative volatility of the relationship between the portfolio and the positions. For this purpose, to the extent the Fund has written call options on specific securities in its portfolio, the value of those securities will be deducted from the current market value of the securities portfolio.

The Fund has claimed an exclusion from registration as a commodity pool under the Commodity Exchange Act ("CEA") and, therefore, the Fund and its officers and trustees are not subject to the registration requirements of the CEA. The Fund reserves the right to engage in transactions involving futures and options thereon to the extent allowed by Commodity Future Trading Commission ("CFTC") regulations in effect from time to time and in accordance with the Fund's policies.

SWAPS AND RELATED SWAP PRODUCTS. Swap transactions may include, but are not limited to, interest rate, currency, securities index, basket, specific security, fixed income sectors, commodity swaps, asset-backed swaps, interest rate caps, floors and collars and options on interest rate swaps (collectively defined as "swap transactions"). The Fund may enter into swap transactions for any legal purpose consistent with its investment objective and policies, such as for the purpose of attempting to obtain or preserve a particular return or spread at a lower cost than obtaining that return or spread through

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purchases and/or sales of instruments in cash markets, to protect against currency fluctuations, to protect against any increase in the price of securities the Fund anticipates purchasing at a later date, or to gain exposure to certain markets in the most economical way possible.

Swap agreements are two-party contracts entered into primarily by institutional counterparties for periods ranging from a few weeks to several years. In a standard swap transaction, two parties agree to exchange the returns (or differentials in rates of return) that would be earned or realized on specified notional investments or instruments. The gross returns to be exchanged or "swapped" between the parties are calculated by reference to a "notional amount," i.e., the return on or increase in value of a particular dollar amount invested at a particular interest rate, in a particular foreign currency or commodity, or in a "basket" of securities representing a particular index. The purchaser of an interest rate cap or floor, upon payment of a fee, has the right to receive payments (and the seller of the cap or floor is obligated to make payments) to the extent a specified interest rate exceeds (in the case of a cap) or is less than (in the case of a floor) a specified level over a specified period of time or at specified dates. The purchaser of an interest rate collar, upon payment of a fee, has the right to receive payments (and the seller of the collar is obligated to make payments) to the extent that a specified interest rate falls outside an agreed upon range over a specified period of time or at specified dates. The purchaser of an option on an interest rate swap, upon payment of a fee (either at the time of purchase or in the form of higher payments or lower receipts within an interest rate swap transaction) has the right, but not the obligation, to initiate a new swap transaction of a pre-specified notional amount with pre-specified terms with the seller of the option as the counterparty. The "notional amount" of a swap transaction is the agreed upon basis for calculating the payments that the parties have agreed to exchange. For example, one swap counterparty may agree to pay a floating rate of interest (e.g., 3 month LIBOR) calculated based on a $10 million notional amount on a quarterly basis in exchange for receipt of payments calculated based on the same notional amount and a fixed rate of interest on a semi-annual basis. In the event the Fund is obligated to make payments more frequently than it receives payments from the other party, it will incur incremental credit exposure to that swap counterparty. This risk may be mitigated somewhat by the use of swap agreements which call for a net payment to be made by the party with the larger payment obligation when the obligations of the parties fall due on the same date. Under most swap agreements entered into by the Fund, payments by the parties will be exchanged on a "net basis", and the Fund will receive or pay, as the case may be, only the net amount of the two payments.

The amount of the Fund's potential gain or loss on any swap transaction is not subject to any fixed limit. Nor is there any fixed limit on the Fund's potential loss if it sells a cap or collar. If the Fund buys a cap, floor or collar, however, the Fund's potential loss is limited to the amount of the fee that it has paid. When measured against the initial amount of cash required to initiate the transaction, which is typically zero in the case of most conventional swap transactions, swaps, caps, floors and collars tend to be more volatile than many other types of instruments.

The use of swap transactions, caps, floors and collars involves investment techniques and risks that are different from those associated with portfolio security transactions. If Calamos is incorrect in its forecasts of market values, interest rates, and other applicable factors, the investment performance of the Fund will be less favorable than if these techniques had not been used. These instruments are typically not traded on exchanges. Accordingly, there is a risk that the other party to certain of these instruments will not perform its obligations to the Fund or that the Fund may be unable to enter into offsetting positions to terminate its exposure or liquidate its position under certain of these instruments when it wishes to do so.

Such occurrences could result in losses to the Fund. Calamos will consider such risks and will enter into swap and other derivatives transactions only when it believes that the risks are not unreasonable. The Fund will earmark and reserve the Fund assets, in cash or liquid securities, in an

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amount sufficient at all times to cover its current obligations under its swap transactions, caps, floors and collars. If the Fund enters into a swap agreement on a net basis, it will earmark and reserve assets with a daily value at least equal to the excess, if any, of the Fund's accrued obligations under the swap agreement over the accrued amount the Fund is entitled to receive under the agreement. If the Fund enters into a swap agreement on other than a net basis, or sells a cap, floor or collar, it will earmark and reserve assets with a daily value at least equal to the full amount of the Fund's accrued obligations under the agreement. The Fund will not enter into any swap transaction, cap, floor, or collar, unless the counterparty to the transaction is deemed creditworthy by Calamos. If a counterparty defaults, the Fund may have contractual remedies pursuant to the agreements related to the transaction. The swap markets in which many types of swap transactions are traded have grown substantially in recent years, with a large number of banks and investment banking firms acting both as principals and as agents utilizing standardized swap documentation. As a result, the markets for certain types of swaps (e.g., interest rate swaps) have become relatively liquid. The markets for some types of caps, floors and collars are less liquid.

During the term of a swap, cap, floor or collar, changes in the value of the instrument are recognized as unrealized gains or losses by marking to market to reflect the market value of the instrument. When the instrument is terminated, the Fund will record a realized gain or loss equal to the difference, if any, between the proceeds from (or cost of) the closing transaction and the Fund's basis in the contract. The federal income tax treatment with respect to swap transactions, caps, floors, and collars may impose limitations on the extent to which the Fund may engage in such transactions.

CREDIT DEFAULT SWAPS. As described above, swap agreements are two party contracts entered into primarily by institutional investors for periods ranging typically from three to 10 years, although shorter or longer periods do exist. In the case of a credit default swap ("CDS"), the contract gives one party (the buyer) the right to recoup the economic value of a decline in the value of debt securities of the reference issuer if the credit event (including a default of restructuring) occurs. This value is obtained by delivering a debt security of the reference issuer to the party in return for a previously agreed payment from the other party (frequently, the par value of the debt security) and by cash settlement of the transaction. CDS include credit default swaps, which are contracts on individual securities, and CDX, which are contracts on baskets or indices of securities.

Credit default swaps may require initial premium (discount) payments as well as periodic payments (receipts) related to the interest leg of the swap or to the default of a reference obligation.

If the Fund is a seller of a CDS contract, the Fund would be required to pay the par (or other agreed upon) value of a referenced debt obligation to the counterparty in the event of a default or other credit event by the reference issuer, such as a U.S. or foreign corporate issuer, with respect to such debt obligations. In return, the Fund would receive from the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the Fund would keep the stream of payments and would have no payment obligations. As the seller, the Fund would be subject to investment exposure on the notional amount of the swap.

If the Fund is a buyer of a CDS contract, the Fund would have the right to deliver a referenced debt obligation and receive the par (or other agreed-upon) value of such debt obligation from the counterparty in the event of a default or other credit event (such as a credit downgrade) by the reference issuer, such as a U.S. or foreign corporation, with respect to its debt obligations. In return, the Fund would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the counterparty would keep the stream of payments and would have no further obligations to the Fund.

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The use of CDSs, like all swap agreements, is subject to certain risks. If a counterparty's creditworthiness declines, the value of the swap would likely decline. Moreover, there is no guarantee that the Fund could eliminate its exposure under an outstanding swap agreement by entering into an offsetting swap agreement with the same or another party.

WARRANTS. The Fund may invest in warrants. A warrant is a right to purchase common stock at a specific price (usually at a premium above the market value of the underlying common stock at time of issuance) during a specified period of time. A warrant may have a life ranging from less than a year to twenty years or longer, but a warrant becomes worthless unless it is exercised or sold before expiration. In addition, if the market price of the common stock does not exceed the warrant's exercise price during the life of the warrant, the warrant will expire worthless. Warrants have no voting rights, pay no dividends and have no rights with respect to the assets of the corporation issuing them. The percentage increase or decrease in the value of a warrant may be greater than the percentage increase or decrease in the value of the underlying common stock.

PORTFOLIO TURNOVER. Although the Fund does not purchase securities with a view to rapid turnover, there are no limitations on the length of time that portfolio securities must be held. Portfolio turnover can occur for a number of reasons, including calls for redemption, general conditions in the securities markets, more favorable investment opportunities in other securities, or other factors relating to the desirability of holding or changing a portfolio investment. The portfolio turnover rates may vary greatly from year to year. A high rate of portfolio turnover in the Fund would result in increased transaction expense, which must be borne by that Fund. High portfolio turnover may also result in the realization of capital gains or losses and, to the extent net short term capital gains are realized, any distributions resulting from such gains will be considered ordinary income for federal income tax purposes.

SHORT SALES. The Fund may attempt to hedge against market risk and to enhance income by selling short "against the box," that is: (1) entering into short sales of securities that it currently has the right to acquire through the conversion or exchange of other securities that it owns, or to a lesser extent, entering into short sales of securities that it currently owns; and (2) entering into arrangements with the broker dealers through which such securities are sold short to receive income with respect to the proceeds of short sales during the period the Fund's short positions remain open. The Fund may make short sales of securities only if at all times when a short position is open the Fund owns an equal amount of such securities or securities convertible into or exchangeable for, without payment of any further consideration, securities of the same issue as, and equal in amount to, the securities sold short.

In a short sale against the box, the Fund does not deliver from its portfolio the securities sold and does not receive immediately the proceeds from the short sale. Instead, the Fund borrows the securities sold short from a broker dealer through which the short sale is executed, and the broker dealer delivers such securities, on behalf of the Fund, to the purchaser of such securities. Such broker dealer is entitled to retain the proceeds from the short sale until the Fund delivers to such broker dealer the securities sold short. In addition, the Fund is required to pay to the broker dealer the amount of any dividends paid on shares sold short. Finally, to secure its obligation to deliver to such broker dealer the securities sold short, the Fund must deposit and continuously maintain in a separate account with the Fund's custodian an equivalent amount of the securities sold short or securities convertible into or exchangeable for such securities without the payment of additional consideration. The Fund is said to have a short position in the securities sold until it delivers to the broker dealer the securities sold, at which time the Fund receives the proceeds of the sale. Because the Fund ordinarily will want to continue to hold securities in its portfolio that are sold short, the Fund will normally close out a short position by purchasing on the open market and delivering to the broker dealer an equal amount of the securities sold short, rather than by delivering portfolio securities.

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A short sale works the same way, except that the Fund places in the segregated account cash or U.S. government securities equal in value to the difference between (i) the market value of the securities sold short at the time they were sold short and (ii) any cash or U.S. government securities required to be deposited with the broker as collateral. In addition, so long as the short position is open, the Fund must adjust daily the value of the segregated account so that the amount deposited in it, plus any amount deposited with the broker as collateral, will equal the current market value of the security sold short. However, the value of the segregated account may not be reduced below the point at which the segregated account, plus any amount deposited with the broker, is equal to the market value of the securities sold short at the time they were sold short.

Short sales may protect the Fund against the risk of losses in the value of its portfolio securities because any unrealized losses with respect to such portfolio securities should be wholly or partially offset by a corresponding gain in the short position. However, any potential gains in such portfolio securities should be wholly or partially offset by a corresponding loss in the short position. The extent to which such gains or losses are offset will depend upon the amount of securities sold short relative to the amount the Fund owns, either directly or indirectly, and, in the case where the Fund owns convertible securities, changes in the conversion premium. Short sale transactions of the Fund involve certain risks. In particular, the imperfect correlation between the price movements of the convertible securities and the price movements of the underlying common stock being sold short creates the possibility that losses on the short sale hedge position may be greater than gains in the value of the portfolio securities being hedged. In addition, to the extent that the Fund pays a conversion premium for a convertible security, the Fund is generally unable to protect against a loss of such premium pursuant to a short sale hedge. In determining the number of shares to be sold short against the Fund's position in the convertible securities, the anticipated fluctuation in the conversion premiums is considered. The Fund will also incur transaction costs in connection with short sales. Certain provisions of the Internal Revenue Code of 1986, as amended (the "Code"), and related Treasury regulations thereunder may limit the degree to which the Fund is able to enter into short sales and other transactions with similar effects without triggering adverse tax consequences, which limitations might impair the Fund's ability to achieve its investment objective. See "U.S. Federal Income Tax Matters."

In addition to enabling the Fund to hedge against market risk, short sales may afford the Fund an opportunity to earn additional current income to the extent the Fund is able to enter into arrangements with broker dealers through which the short sales are executed to receive income with respect to the proceeds of the short sales during the period the Fund's short positions remain open.

INTEREST RATE TRANSACTIONS. In order to seek to reduce the interest rate risk inherent in the Fund's underlying investments and capital structure, the Fund, if market conditions are deemed favorable, likely will enter into interest rate swap or cap transactions to attempt to protect itself from increasing dividend or interest expenses on its leverage. Interest rate swaps involve the Fund's agreement with the swap counterparty to pay a fixed rate payment in exchange for the counterparty agreeing to pay the Fund a payment at a variable rate that is expected to approximate the rate on any variable rate payment obligation on the Fund's leverage. The payment obligations would be based on the notional amount of the swap. The Fund may use an interest rate cap, which would require it to pay a premium to the cap counterparty and would entitle it, to the extent that a specified variable rate index exceeds a predetermined fixed rate, to receive from the counterparty payment of the difference based on the notional amount. The Fund would use interest rate swaps or caps only with the intent to reduce or eliminate the risk that an increase in short term interest rates could have on common share net earnings as a result of leverage.

The Fund will usually enter into swaps or caps on a net basis; that is, the two payment streams will be netted out in a cash settlement on the payment date or dates specified in the instrument, with the

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Fund receiving or paying, as the case may be, only the net amount of the two payments. The Fund intends to maintain in a segregated account with its custodian cash or liquid securities having a value at least equal to the Fund's net payment obligations under any swap transaction, marked to market daily.

The use of interest rate swaps and caps is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio security transactions. Depending on the state of interest rates in general, the Fund's use of interest rate swaps or caps could enhance or harm the overall performance on the common shares. To the extent there is a decline in interest rates, the value of the interest rate swap or cap could decline, and could result in a decline in the net asset value of the common shares. In addition, if short term interest rates are lower than the Fund's fixed rate of payment on the interest rate swap, the swap will reduce common share net earnings. If, on the other hand, short term interest rates are higher than the fixed rate of payment on the interest rate swap, the swap will enhance common share net earnings. Buying interest rate caps could enhance the performance of the common shares by providing a maximum leverage expense. Buying interest rate caps could also decrease the net earnings of the common shares in the event that the premium paid by the Fund to the counterparty exceeds the additional amount the Fund would have been required to pay had it not entered into the cap agreement. The Fund has no current intention of selling an interest rate swap or cap.

Interest rate swaps and caps do not involve the delivery of securities or other underlying assets or principal. Accordingly, the risk of loss with respect to interest rate swaps is limited to the net amount of interest payments that the Fund is contractually obligated to make. If the counterparty defaults, the Fund would not be able to use the anticipated net receipts under the swap or cap to offset the dividend or interest payments on the Fund's leverage. Depending on whether the Fund would be entitled to receive net payments from the counterparty on the swap or cap, which in turn would depend on the general state of short term interest rates at that point in time, such a default could negatively impact the performance of the common shares.

Although this will not guarantee that the counterparty does not default, the Fund will not enter into an interest rate swap or cap transaction with any counter party that Calamos believes does not have the financial resources to honor its obligation under the interest rate swap or cap transaction. Further, Calamos will continually monitor the financial stability of a counterparty to an interest rate swap or cap transaction in an effort to proactively protect the Fund's investments.

In addition, at the time the interest rate swap or cap transaction reaches its scheduled termination date, there is a risk that the Fund would not be able to obtain a replacement transaction or that the terms of the replacement would not be as favorable as on the expiring transaction. If this occurs, it could have a negative impact on the performance of the Fund's common shares.

Under certain circumstances, the Fund may choose or be required to redeem some or all of its preferred shares or prepay any borrowings. This redemption would likely result in the Fund seeking to terminate early all or a portion of any swap or cap transaction. Such early termination of a swap could result in termination payment by or to the Fund. An early termination of a cap could result in a termination payment to the Fund.

SWAPS, CAPS, FLOORS AND COLLARS. The Fund may enter into interest rate, currency, index and other swaps and the purchase or sale of related caps, floors and collars. The Fund expects to enter into these transactions primarily to preserve a return or spread on a particular investment or portion of its portfolio, to protect against currency fluctuations, as a duration management technique or to protect against any increase in the price of securities the Fund anticipates purchasing at a later date. The Fund will not sell interest rate caps or floors where it does not own securities or other instruments providing the income stream the Fund may be obligated to pay. Interest rate swaps involve the exchange by the Fund with another party of their respective commitments to pay or receive interest, e.g., an exchange of floating rate payments for fixed rate payments with respect to a notional amount of principal. A currency swap is

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an agreement to exchange cash flows on a notional amount of two or more currencies based on the relative value differential among them and an index swap is an agreement to swap cash flows on a notional amount based on changes in the values of the reference indices. The purchase of a cap entitles the purchaser to receive payments on a notional principal amount from the party selling such cap to the extent that a specified index exceeds a predetermined interest rate or amount. The purchase of a floor entitles the purchaser to receive payments on a notional principal amount from the party selling such floor to the extent that a specified index falls below a predetermined interest rate or amount. A collar is a combination of a cap and a floor that preserves a certain return within a predetermined range of interest rates or values.

The Fund will usually enter into swaps on a net basis, i.e., the two payment streams are netted out in a cash settlement on the payment date or dates specified in the instrument, with the Fund receiving or paying, as the case may be, only the net amount of the two payments. Inasmuch as the Fund will segregate assets (or enter into offsetting positions) to cover its obligations under swaps, Calamos and the Fund believe such obligations do not constitute senior securities under the Investment Company Act of 1940 (the "1940 Act") and, accordingly, will not treat them as being subject to its borrowing restrictions. The Fund will not enter into any swap, cap, floor or collar transaction unless, at the time of entering into such transaction, the unsecured long term debt of the Counterparty, combined with any credit enhancements, is rated at least A by S&P or Moody's or has an equivalent rating from a NRSRO or is determined to be of equivalent credit quality by Calamos. If there is a default by the Counterparty, the Fund may have contractual remedies pursuant to the agreements related to the transaction. The swap market has grown substantially in recent years with a large number of banks and investment banking firms acting both as principals and as agents utilizing standardized swap documentation. As a result, the swap market has become relatively liquid, however, some swaps may be considered illiquid. Caps, floors and collars are more recent innovations for which standardized documentation has not yet been fully developed and, accordingly, they are less liquid than swaps.

STRUCTURED PRODUCTS. The Fund may invest in interests in entities organized and operated for the purpose of restructuring the investment characteristics of certain other investments. This type of restructuring involves the deposit with or purchase by an entity, such as a corporation or trust, of specified instruments and the issuance by that entity of one or more classes of securities ("structured products") backed by, or representing interests in, the underlying instruments. The term "structured products" as used herein excludes synthetic convertibles and interest rate transactions. See "Investment Objective and Policies--Synthetic Convertible Securities and Interest Rate Transactions." The cash flow on the underlying instruments may be apportioned among the newly issued structured products to create securities with different investment characteristics such as varying maturities, payment priorities and interest rate provisions, and the extent of the payments made with respect to structured products is dependent on the extent of the cash flow on the underlying instruments. The Fund may invest in structured products, which represent derived investment positions based on relationships among different markets or asset classes.

The Fund may also invest in other types of structured products, including, among others, baskets of credit default swaps referencing a portfolio of high yield securities. A structured product may be considered to be leveraged to the extent its interest rate varies by a magnitude that exceeds the magnitude of the change in the index rate. Because they are linked to their underlying markets or securities, investments in structured products generally are subject to greater volatility than an investment directly in the underlying market or security. Total return on the structured product is derived by linking return to one or more characteristics of the underlying instrument. Because certain structured products of the type in which the Fund may invest may involve no credit enhancement, the credit risk of those structured products generally would be equivalent to that of the underlying instruments. The Fund may invest in a class of structured products that is either subordinated or unsubordinated to the right of payment of

S-20

another class. Subordinated structured products typically have higher yields and present greater risks than unsubordinated structured products. Although the Fund's purchase of subordinated structured products would have similar economic effect to that of borrowing against the underlying securities, the purchase will not be deemed to be leverage for purposes of the Fund's limitations related to borrowing and leverage.

Certain issuers of structured products may be deemed to be "investment companies" as defined in the 1940 Act. As a result, the Fund's investments in these structured products may be limited by the restrictions contained in the 1940 Act. Structured products are typically sold in private placement transactions, and there currently may be active trading market for structured products. As a result, certain structured products in which the Fund invests may be deemed illiquid and subject to its limitation on illiquid investments.

"WHEN ISSUED" AND DELAYED DELIVERY SECURITIES AND REVERSE REPURCHASE AGREEMENTS. The Fund may purchase securities on a when issued or delayed delivery basis. Although the payment and interest terms of these securities are established at the time the Fund enters into the commitment, the securities may be delivered and paid for a month or more after the date of purchase, when their value may have changed. The Fund makes such commitments only with the intention of actually acquiring the securities, but may sell the securities before settlement date if Calamos deems it advisable for investment reasons. The Fund may utilize spot and forward foreign currency exchange transactions to reduce the risk inherent in fluctuations in the exchange rate between one currency and another when securities are purchased or sold on a when issued or delayed delivery basis.

The Fund may enter into reverse repurchase agreements with banks and securities dealers. A reverse repurchase agreement is a repurchase agreement in which the Fund is the seller of, rather than the investor in, securities and agrees to repurchase them at an agreed upon time and price. Use of a reverse repurchase agreement may be preferable to a regular sale and later repurchase of securities because it avoids certain market risks and transaction costs.

At the time when the Fund enters into a binding obligation to purchase securities on a when-issued basis or enters into a reverse repurchase agreement, liquid assets (cash, U.S. Government securities or other "high grade" debt obligations) of the Fund having a value at least as great as the purchase price of the securities to be purchased will be segregated on the books of the Fund and held by the custodian throughout the period of the obligation. The use of these investment strategies may increase net asset value fluctuation.

ILLIQUID SECURITIES. Investments in Rule 144A Securities could have the effect of increasing the amount of the Fund's assets invested in illiquid securities if qualified institutional buyers are unwilling to purchase these Rule 144A Securities. Illiquid securities may be difficult to dispose of at a fair price at the times when the Fund believes it is desirable to do so. The market price of illiquid securities generally is more volatile than that of more liquid securities, which may adversely affect the price that the Fund pays for or recovers upon the sale of illiquid securities. Illiquid securities are also more difficult to value and Calamos' judgment may play a greater role in the valuation process. Investment of the Fund's assets in illiquid securities may restrict the Fund's ability to take advantage of market opportunities. The risks associated with illiquid securities may be particularly acute in situations in which the Fund's operations require cash and could result in the Fund borrowing to meet its short term needs or incurring losses on the sale of illiquid securities.

The Fund may invest in bonds, corporate loans, convertible securities, preferred stocks and other securities that lack a secondary trading market or are otherwise considered illiquid. Liquidity of a security relates to the ability to easily dispose of the security and the price to be obtained upon disposition of the security, which may be less than would be obtained for a comparable more liquid security. Such

S-21

investments may affect the Fund's ability to realize the net asset value in the event of a voluntary or involuntary liquidation of its assets.

TEMPORARY DEFENSIVE INVESTMENTS. The Fund may make temporary investments without limitation when Calamos determines that a defensive position is warranted. Such investments may be in money market instruments, consisting of obligations of, or guaranteed as to principal and interest by, the U.S. Government or its agencies or instrumentalities; certificates of deposit, bankers' acceptances and other obligations of domestic banks having total assets of at least $500 million and that are regulated by the U.S. Government, its agencies or instrumentalities; commercial paper rated in the highest category by a recognized rating agency; and repurchase agreements.

REPURCHASE AGREEMENTS. As part of its strategy for the temporary investment of cash, the Fund may enter into "repurchase agreements" with member banks of the Federal Reserve System or primary dealers (as designated by the Federal Reserve Bank of New York) in such securities. A repurchase agreement arises when the Fund purchases a security and simultaneously agrees to resell it to the vendor at an agreed upon future date. The resale price is greater than the purchase price, reflecting an agreed upon market rate of return that is effective for the period of time the Fund holds the security and that is not related to the coupon rate on the purchased security. Such agreements generally have maturities of no more than seven days and could be used to permit the Fund to earn interest on assets awaiting long term investment. The Fund requires continuous maintenance by the custodian for the Fund's account in the Federal Reserve/Treasury Book Entry System of collateral in an amount equal to, or in excess of, the market value of the securities that are the subject of a repurchase agreement. Repurchase agreements maturing in more than seven days are considered illiquid securities. In the event of a bankruptcy or other default of a seller of a repurchase agreement, the Fund could experience both delays in liquidating the underlying security and losses, including: (a) possible decline in the value of the underlying security during the period while the Fund seeks to enforce its rights thereto; (b) possible subnormal levels of income and lack of access to income during this period; and (c) expenses of enforcing its rights.

REAL ESTATE INVESTMENT TRUSTS ("REITS") AND ASSOCIATED RISK FACTORS. REITs are pooled investment vehicles which invest primarily in income producing real estate or real estate related loans or interests. REITs are generally classified as equity REITs, mortgage REITs or a combination of equity and mortgage REITs. Equity REITs invest the majority of their assets directly in real property and derive income primarily from the collection of rents. Equity REITs can also realize capital gains by selling properties that have appreciated in value. Mortgage REITs invest the majority of their assets in real estate mortgages and derive income from the collection of interest payments. REITs are not subject to federal income tax on income distributed to shareholders provided they comply with the applicable requirements of the Code. The Fund will indirectly bear its proportionate share of any management and other expenses paid by REITs in which it invests in addition to the expenses paid by the Fund. Debt securities issued by REITs are, for the most part, general and unsecured obligations and are subject to risks associated with REITs.

Investing in REITs involves certain unique risks in addition to those risks associated with investing in the real estate industry in general. An equity REIT may be affected by changes in the value of the underlying properties owned by the REIT. A mortgage REIT may be affected by changes in interest rates and the ability of the issuers of its portfolio mortgages to repay their obligations. REITs are dependent upon the skills of their managers and are not diversified. REITs are generally dependent upon maintaining cash flows to repay borrowings and to make distributions to shareholders and are subject to the risk of default by lessees or borrowers. REITs whose underlying assets are concentrated in properties used by a particular industry, such as health care, are also subject to risks associated with such industry.

REITs (especially mortgage REITs) are also subject to interest rate risks. When interest rates decline, the value of a REIT's investment in fixed rate obligations can be expected to rise. Conversely,

S-22

when interest rates rise, the value of a REIT's investment in fixed rate obligations can be expected to decline. If the REIT invests in adjustable rate mortgage loans the interest rates on which are reset periodically, yields on a REIT's investments in such loans will gradually align themselves to reflect changes in market interest rates. This causes the value of such investments to fluctuate less dramatically in response to interest rate fluctuations than would investments in fixed rate obligations.

REITs may have limited financial resources, may trade less frequently and in a limited volume and may be subject to more abrupt or erratic price movements than larger company securities. Historically REITs have been more volatile in price than the larger capitalization stocks included in Standard & Poor's 500 Stock Index.

OTHER INVESTMENT COMPANIES. The Fund may invest in the securities of other investment companies, including other investment companies within the Calamos fund complex, to the extent that such investments are consistent with the Fund's investment objective and policies and permissible under the 1940 Act. Under the 1940 Act, the Fund may not acquire the securities of other domestic or non U.S. investment companies if, as a result, (i) more than 10% of the Fund's total assets would be invested in securities of other investment companies, (ii) such purchase would result in more than 3% of the total outstanding voting securities of any one investment company being held by the Fund, or (iii) more than 5% of the Fund's total assets would be invested in any one investment company. These limitations do not apply to the purchase of shares of money market funds or any investment company in connection with a merger, consolidation, reorganization or acquisition of substantially all the assets of another investment company.

The Fund, as a holder of the securities of other investment companies, will bear its pro rata portion of the other investment companies' expenses, including advisory fees. These expenses are in addition to the direct expenses of the Fund's own operations.

INVESTMENT RESTRICTIONS

The following are the Fund's fundamental investment restrictions. These restrictions may not be changed without the approval of the holders of a majority of the Fund's outstanding voting securities (which for this purpose and under the 1940 Act means the lesser of (i) 67% of the common shares represented at a meeting at which more than 50% of the outstanding common shares are represented or (ii) more than 50% of the outstanding common shares). If the Fund were to issue a class of preferred shares, the investment restrictions could not be changed without the approval of a majority of the outstanding common and preferred shares, voting together as a class, and the approval of a majority of the outstanding preferred shares, voting separately by class.

The Fund may not:

(1) Issue senior securities, except as permitted by the 1940 Act and the rules and interpretive positions of the Commission thereunder.

(2) Borrow money, except as permitted by the 1940 Act and the rules and interpretive positions of the Commission thereunder.

(3) Invest in real estate, except that the Fund may invest in securities of issuers that invest in real estate or interests therein, securities that are secured by real estate or interests therein, securities of real estate investment funds and mortgage backed securities.

S-23

(4) Make loans, except by the purchase of debt obligations, by entering into repurchase agreements or through the lending of portfolio securities and as otherwise permitted by the 1940 Act and the rules and interpretive positions of the Commission thereunder.

(5) Invest in physical commodities or contracts relating to physical commodities.

(6) Act as an underwriter, except as it may be deemed to be an underwriter in a sale of securities held in its portfolio.

(7) Make any investment inconsistent with the Fund's classification as a diversified investment company under the 1940 Act and the rules and interpretive positions of the Commission thereunder.

(8) Concentrate its investments in securities of companies in any particular industry as defined in the 1940 Act and the rules and interpretive positions of the Commission thereunder.

All other investment policies of the Fund are considered non-fundamental and may be changed by the Board of Trustees without prior approval of the Fund's outstanding voting shares.

Currently under the 1940 Act, the Fund is not permitted to issue preferred shares unless immediately after such issuance the net asset value of the Fund's portfolio is at least 200% of the liquidation value of the outstanding preferred shares (i.e., such liquidation value may not exceed 50% of the value of the Fund's total assets). In addition, currently under the 1940 Act, the Fund is not permitted to declare any cash dividend or other distribution on its common shares unless, at the time of such declaration, the net asset value of the Fund's portfolio (determined after deducting the amount of such dividend or distribution) is at least 200% of such liquidation value plus any senior securities representing indebtedness. Currently under the 1940 Act, the Fund is not permitted to incur indebtedness unless immediately after such borrowing the Fund has asset coverage of at least 300% of the aggregate outstanding principal balance of indebtedness (i.e., such indebtedness may not exceed 33 1/3% of the value of the Fund's total assets). Additionally, currently under the 1940 Act, the Fund may not declare any dividend or other distribution upon any class of its shares, or purchase any such shares, unless the aggregate indebtedness of the Fund has, at the time of the declaration of any such dividend or distribution or at the time of any such purchase, an asset coverage of at least 300% after deducting the amount of such dividend, distribution, or purchase price, as the case may be.

Currently under the 1940 Act, the Fund is not permitted to lend money or property to any person, directly or indirectly, if such person controls or is under common control with the Fund, except for a loan from the Fund to a company which owns all of the outstanding securities of the Fund, except directors' qualifying shares. Currently, under interpretative positions of the Commission, the Fund may not have on loan at any given time securities representing more than one third of its total assets.

Currently under the 1940 Act, a "senior security" does not include any promissory note or evidence of indebtedness where such loan is for temporary purposes only and in an amount not exceeding 5% of the value of the total assets of the issuer at the time the loan is made. A loan is presumed to be for temporary purposes if it is repaid within sixty days and is not extended or renewed.

Currently, the Fund would be deemed to "concentrate" in a particular industry if it invested 25% or more of its total assets in that industry. Currently under the 1940 Act, a "diversified company" means a management company which meets the following requirements: at least 75% of the value of its total assets is represented by cash and cash items (including receivables), government securities, securities of other investment companies, and other securities for the purposes of this calculation limited in respect of

S-24

any one issuer to an amount not greater in value than 5% of the value of the total assets of such management company and not more than 10% of the outstanding voting securities of such issuer.

Under the 1940 Act, the Fund may invest up to 10% of its total assets in the aggregate in shares of other investment companies and up to 5% of its total assets in any one investment company, provided the investment does not represent more than 3% of the voting stock of the acquired investment company at the time such shares are purchased. These limitations, however, do not apply to the purchase of money market funds. As a shareholder in any investment company, the Fund will bear its ratable share of that investment company's expenses, and would remain subject to payment of the Fund's advisory fees and other expenses with respect to assets so invested. Holders of common shares would therefore be subject to duplicative expenses to the extent the Fund invests in other investment companies. In addition, the securities of other investment companies may also be leveraged and will therefore be subject to the same leverage risks described herein and in the Prospectus. As described in the Prospectus in the section entitled "Risks," the net asset value and market value of leveraged shares will be more volatile and the yield to shareholders will tend to fluctuate more than the yield generated by unleveraged shares.

In addition, to comply with federal income tax requirements for qualification as a "regulated investment company," the Fund's investments will be limited by both an income and an asset test. See "U.S. Federal Income Tax Matters."

As a non-fundamental policy, the Fund may not issue preferred shares, borrow money or issue debt securities with aggregate liquidation value and principal amount exceeding 38% of the Fund's total assets.

MANAGEMENT OF THE FUND

TRUSTEES AND OFFICERS. The Fund's Board of Trustees provides broad supervision over the Fund's affairs. The officers of the Fund are responsible for the Fund's operations. The Fund's Trustees and officers are listed below, together with their age, positions held with the Fund, term of office and length of service and principal occupations during the past five years. Asterisks indicates those Trustees who are interested persons of the Fund within the meaning of the 1940 Act, and they are referred to as Interested Trustees. Trustees who are not interested persons of the Fund are referred to as Independent Trustees. Each of the Trustees serves as a Trustee of other investment companies (17 U.S. registered investment portfolios) for which Calamos serves as investment adviser (collectively, the "Calamos Funds"). The address for all Independent and Interested Trustees and all officers of the Fund is 2020 Calamos Court, Naperville, Illinois 60563.

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TRUSTEES WHO ARE INTERESTED PERSONS OF THE TRUST:

                                 POSITION(S)        PORTFOLIOS         PRINCIPAL OCCUPATION(S)
       NAME AND AGE               WITH TRUST         OVERSEEN          AND OTHER DIRECTORSHIPS
       ------------         ---------------------   ----------   -----------------------------------
John P. Calamos, Sr., 66*   Trustee and President       17       Chairman, CEO, and Co-Chief
                            (since inception)                    Investment Officer, Calamos Asset
                                                                 Management, Inc. ("CAM"), Calamos
                                                                 Holdings LLC ("CHLLC") and Calamos
                                                                 Advisors LLC and its predecessor
                                                                 ("Calamos Advisors"), and President
                                                                 and Co-Chief Investment Officer,
                                                                 Calamos Financial Services LLC and
                                                                 its predecessor("CFS"); Director,
                                                                 CAM

TRUSTEES WHO ARE NOT INTERESTED PERSONS OF THE TRUST:

                                 POSITION(S)        PORTFOLIOS         PRINCIPAL OCCUPATION(S)
       NAME AND AGE               WITH TRUST         OVERSEEN          AND OTHER DIRECTORSHIPS
       ------------         ---------------------   ----------   -----------------------------------
Joe F. Hanauer, 69                 Trustee              17       Private investor; Director, MAF
                              (since inception)                  Bancorp (bank holding company);
                                                                 Chairman and Director, Move, Inc.,
                                                                 (internet provider of real estate
                                                                 information and products);
                                                                 Director, Combined Investments,
                                                                 L.P. (investment management)
                                                                 (investment management)

Weston W. Marsh, 56                Trustee              17       Of Counsel, Partner, Freeborn &
                              (since inception)                  Peters (law firm)

John E. Neal, 57                   Trustee              17       Private investor; Managing
                              (since inception)                  Director, Banc One Capital Markets,
                                                                 Inc. (investment banking)
                                                                 (2000-2004); Director, Focused
                                                                 Health Services (private disease
                                                                 management company), Equity
                                                                 Residential (publicly-owned REIT),
                                                                 Ranir LLC (oral products company)
                                                                 and CBA Commercial (commercial
                                                                 mortgage securitization company);
                                                                 Partner, Private Perfumery LLC
                                                                 (private label perfume company) and
                                                                 Linden LLC (health care private
                                                                 equity)

William R. Rybak, 56               Trustee              17       Private investor; formerly
                              (since inception)                  Executive Vice President and Chief
                                                                 Financial Officer, Van Kampen
                                                                 Investments, Inc. and subsidiaries
                                                                 (investment manager); Director,
                                                                 Howe Barnes Hoefer Arnett, Inc.
                                                                 (investment services firm) and
                                                                 PrivateBancorp, Inc. (bank holding
                                                                 company); Trustee, JNL Series
                                                                 Trust, JNL Investors Series Trust,
                                                                 JNL Variable Fund LLC and JNLNY
                                                                 Variable Fund I LLC**

Stephen B. Timbers, 62             Trustee              17       Private investor; formerly Vice
                              (since inception)                  Chairman, Northern Trust
                                                                 Corporation (bank holding company);
                                                                 formerly President and Chief
                                                                 Executive Officer, Northern Trust
                                                                 Investments, N.A. (investment
                                                                 manager); formerly President,
                                                                 Northern Trust Global

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                                                                 Investments, a division of Northern
                                                                 Trust Corporation and Executive
                                                                 Vice President, The Northern Trust
                                                                 Corporation; formerly, Director,
                                                                 Northern Trust Securities, Inc.

David D. Tripple, 63               Trustee              17       Private investor; Trustee, Century
                              (since inception)                  Shares Trust and Century Small Cap
                                                                 Select Fund***


* Mr. Calamos is an "interested person" of the Trust as defined in the 1940 Act because he is an affiliate of Calamos Advisors and Calamos Financial Services LLC.

** Overseeing 91 portfolios in fund complex.

*** Overseeing two portfolios in fund complex.

The address of the Trustees is 2020 Calamos Court, Naperville, Illinois 60563.

OFFICERS. The preceding table gives information about Mr. John Calamos, who is president of the Trust. The following table sets forth each other officer's name and age as of the date of this statement of additional information, position with the Trust and date first appointed to that position, and principal occupation(s) during the past five years. Each officer serves until his or her successor is chosen and qualified or until his or her resignation or removal by the board of trustees.

                                                                    PRINCIPAL OCCUPATION(S) AND
      NAME AND AGE              POSITION(S) WITH TRUST                  OTHER DIRECTORSHIPS
      ------------         --------------------------------   --------------------------------------
Nimish S. Bhatt, 43        Treasurer (since inception)        Senior Vice President and Director of
                                                              Operations, CAM, CHLLC, Calamos
                                                              Advisors and CFS (since 2004); Senior
                                                              Vice President, Alternative
                                                              Investments and Tax Services, The
                                                              BISYS Group, Inc., prior thereto

Nick P. Calamos, 45        Vice President (since inception)   Senior Executive Vice President and
                                                              Co-Chief Investment Officer, CAM,
                                                              CHLLC, Calamos Advisors and CFS

Patrick H. Dudasik, 52     Vice President (since inception)   Executive Vice President, Chief
                                                              Financial Officer, Chief Operating
                                                              Officer and Treasurer, CAM and CHLLC
                                                              (since 2004), Calamos Advisors and CFS
                                                              (2001-2005)

James S. Hamman, Jr., 37   Secretary (since inception)        Executive Vice President, Secretary
                                                              and General Counsel, CAM, CHLLC,
                                                              Calamos Advisors and CFS; Chief
                                                              Compliance Officer of the Trust
                                                              (2004-2005)

Mark J. Mickey, 56         Chief Compliance Officer           Chief Compliance Officer, Calamos
                           (since inception)                  Funds (since 2005) and Chief
                                                              Compliance Officer, Calamos Advisors
                                                              (2005-2006); Director of Risk
                                                              Assessment and Internal Audit, Calamos
                                                              Advisors (2003-2005); President, Mark
                                                              Mickey Consulting (2002-2003)


The address of each officer is 2020 Calamos Court, Naperville, Illinois 60563.

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The Fund's Board of Trustees consists of seven members. The term of one class expires each year commencing with the first annual meeting following this public offering and no term shall continue for more than three years after the applicable election. The terms of John P. Calamos, Sr. and William R. Rybak expire at the first annual meeting following this public offering, the terms of Joe F. Hanauer, John E. Neal and David D. Tripple expire at the second annual meeting, and the terms of Stephen B. Timbers and Weston W. Marsh expire at the third annual meeting. Subsequently, each class of Trustees will stand for election at the conclusion of its respective term. Such classification may prevent replacement of a majority of the Trustees for up to a two year period. Each officer serves until his or her successor is chosen and qualified or until his or her resignation or removal by the Board of Trustees.

COMMITTEES OF THE BOARD OF TRUSTEES. The Fund's Board of Trustees currently has four standing committees:

EXECUTIVE COMMITTEE. Messrs. John Calamos and Stephen B. Timbers are members of the Executive Committee, which has authority during intervals between meetings of the Board of Trustees to exercise the powers of the Board, with certain exceptions.

AUDIT COMMITTEE. Stephen B. Timbers, Joe F. Hanauer, John E. Neal, William R. Rybak, Weston W. Marsh and David D. Tripple, each a non-interested Trustee, serve on the Audit Committee. The Audit Committee approves the selection of the independent auditors to the Trustees, approves services to be rendered by the auditors, monitors the auditors' performance, reviews the results of the Fund's audit, determines whether to recommend to the Board that the Fund's audited financial statements be included in the Fund's annual report and responds to other matters deemed appropriate by the Board of Trustees.

GOVERNANCE COMMITTEE. Stephen B. Timbers, Joe F. Hanauer, John E. Neal, William R. Rybak, Weston W. Marsh and David D. Tripple, each a non-interested Trustee, serve on the Governance Committee. The Governance Committee oversees the independence and effective functioning of the Board of Trustees and endeavors to be informed about good practices for fund boards. The members of the Governance Committee make recommendations to the Board of Trustees regarding candidates for election as non interested Trustees. The Governance Committee will not consider shareholder recommendations regarding candidates for election as Trustees.

VALUATION COMMITTEE. David D. Tripple, Stephen B. Timbers and Weston W. Marsh, each a non-interested Trustee, serve on the Valuation Committee. The Valuation Committee oversees the implementation of the valuation procedures adopted by the Board of Trustees. The members of the Valuation Committee make recommendations to the Board of Trustees regarding valuation matters relating to the Fund.

In addition to the above committees, there is a Board of Trustees directed pricing committee comprised of officers of the Fund and employees of Calamos.

The Fund's Agreement and Declaration of Trust provides that the Fund will indemnify the Trustees and officers against liabilities and expenses incurred in connection with any claim in which they may be involved because of their offices with the Fund, unless it is determined in the manner specified in the Agreement and Declaration of Trust that they have not acted in good faith in the reasonable belief that their actions were in the best interests of the Fund or that such indemnification would relieve any officer or Trustee of any liability to the Fund or its shareholders by reason of willful misfeasance, bad faith, gross negligence or reckless disregard of his or her duties.

COMPENSATION OF OFFICERS AND TRUSTEES. The Fund pays no salaries or compensation to any of its officers or to the Trustees who are affiliated persons of Calamos. The following table sets forth certain information with respect to the compensation paid to each Trustee by the Fund and the Calamos Fund Complex as a group. Compensation from the Fund is for the current calendar year and is estimated. Total compensation from the Calamos Fund Complex as a group is for the calendar year ended

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December 31, 2006.

                                                    TOTAL COMPENSATION
                             ESTIMATED AGGREGATE     FROM CALAMOS FUND
     NAME OF TRUSTEE       COMPENSATION FROM FUND       COMPLEX(1)*
     ---------------       ----------------------   ------------------
John P. Calamos, Sr. ...            $    0               $      0
Joe F. Hanauer..........            $2,864               $105,500
Weston W. Marsh.........            $2,945               $108,500
John E. Neal............            $3,386               $124,750
William Rybak...........            $3,166               $116,625
Stephen B. Timbers......            $4,031               $148,500
David D. Tripple........            $2,945               $108,500


(1) Includes fees that may have been deferred during the year pursuant to a deferred compensation plan with Calamos Investment Trust. Deferred amounts are treated as though such amounts have been invested and reinvested in shares of one or more of the portfolios of the Calamos Investment Trust selected by the Trustee.

* The Calamos Fund Complex consists of seven investment companies and each applicable series thereunder including the Fund, Calamos Investment Trust, Calamos Advisors Trust, Calamos Convertible Opportunities and Income Fund, Calamos Convertible and High Income Fund, Calamos Strategic Total Return Fund and Calamos Global Total Return Fund.

The Fund has adopted a deferred compensation plan (the "Plan"). Under the Plan, a Trustee who is not an "interested person" of Calamos and who has elected to participate in the Plan ("participating Trustees") may defer receipt of all or a portion of his compensation from Fund in order to defer payment of income taxes or for other reasons. The deferred compensation payable to the participating Trustee is credited to Trustee's deferral account as of the business day such compensation would have been paid to the Trustee. The value of a Trustee's deferred compensation account at any time is equal to what would be the value if the amounts credited to the account had instead been invested in shares of one or more of the portfolios of Calamos Investment Trust as designated by the Trustee. Thus, the value of the account increases with contributions to the account or with increases in the value of the measuring shares, and the value of the account decreases with withdrawals from the account or with declines in the value of the measuring shares. If a participating trustee retires, the Trustee may elect to receive payments under the plan in a lump sum or in equal installments over a period of five years. If a participating Trustee dies, any amount payable under the Plan will be paid to the Trustee's beneficiaries.

OWNERSHIP OF SHARES OF THE FUND AND OTHER CALAMOS FUNDS. The following table indicates the value of shares that each Trustee beneficially owns in the Fund and the Calamos Fund Complex in the aggregate. The value of shares of the Calamos Funds is determined on the basis of the net asset value of the class of shares held as of December 31, 2006. The value of the shares held, are stated in ranges in accordance with the requirements of the Commission. The table reflects the Trustee's beneficial ownership of shares of the Calamos Fund Complex. Beneficial ownership is determined in accordance with the rules of the Commission.

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                                                       AGGREGATE DOLLAR RANGE OF
                                                        EQUITY SECURITIES IN ALL
                           DOLLAR RANGE OF EQUITY   REGISTERED INVESTMENT COMPANIES
     NAME OF TRUSTEE       SECURITIES IN THE FUND        IN THE CALAMOS FUNDS
     ---------------       ----------------------   -------------------------------
INTERESTED TRUSTEES:
John P. Calamos.........            None                    Over $100,000

NON-INTERESTED TRUSTEES:
Joe F. Hanauer..........            None                    Over $100,000
Weston W. Marsh.........            None                    Over $100,000
John E. Neal............            None                    Over $100,000
William Rybak...........            None                    Over $100,000
Stephen B. Timbers......            None                    Over $100,000
David D. Tripple........            None                    Over $100,000

CODE OF ETHICS. The Fund and Calamos have adopted a code of ethics under Rule 17j-1 of the 1940 Act which is applicable to officers, directors/Trustees and designated employees of Calamos and CFS. Employees of Calamos and CFS are permitted to make personal securities transactions, including transactions in securities that the Fund may purchase, sell or hold, subject to requirements and restrictions set forth in the code of ethics of Calamos and CFS. The code of ethics contains provisions and requirements designed to identify and address certain conflicts of interest between personal investment activities of Calamos and CFS employees and the interests of investment advisory clients such as the Fund. Among other things, the code of ethics prohibits certain types of transactions absent prior approval, imposes time periods during which personal transactions may not be made in certain securities, and requires the submission of duplicate broker confirmations and statements and quarterly reporting of securities transactions. Additional restrictions apply to portfolio managers, traders, research analysts and others involved in the investment advisory process. Exceptions to these and other provisions of the code of ethics may be granted in particular circumstances after review by appropriate personnel. Text only versions of the code of ethics can be viewed online or downloaded from the EDGAR Database on the Commission's internet web site at www.sec.gov. You may review and copy the code of ethics by visiting the Commission's Public Reference Room in Washington, D.C. Information on the operation of the Public Reference Room may be obtained by calling the Commission at 202-942-8090. In addition, copies of the code of ethics may be obtained, after mailing the appropriate duplicating fee, by writing to the Commission's Public Reference Section, 450 5th Street, N.W., Washington, DC 20549 0102 or by e mail request at publicinfo@sec.gov.

PROXY VOTING PROCEDURES. The Fund has delegated proxy voting responsibilities to Calamos, subject to the Board of Trustees' general oversight. The Fund expects Calamos to vote proxies related to the Fund's portfolio securities for which the Fund has voting authority consistent with the Fund's best economic interests. Calamos has adopted its own Proxy Voting Policies and Procedures ("Policies"). The Policies address, among other things, conflicts of interest that may arise between the interests of the Fund, and the interests of the adviser and its affiliates.

The following is a summary of the Policies used by Calamos in voting proxies.

To assist it in voting proxies, Calamos has established a Committee comprised of members of its Portfolio Management and Research Departments. The Committee and/or its members will vote proxies using the following guidelines.

In general, if Calamos believes that a company's management and board have interests sufficiently aligned with the Fund's interest, Calamos will vote in favor of proposals recommended by a

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company's board. More specifically, Calamos seeks to ensure that the board of directors of a company is sufficiently aligned with security holders' interests and provides proper oversight of the company's management. In many cases this may be best accomplished by having a majority of independent board members. Although Calamos will examine board member elections on a case-by-case basis, it will generally vote for the election of directors that would result in a board comprised of a majority of independent directors.

Because of the enormous variety and complexity of transactions that are presented to shareholders, such as mergers, acquisitions, reincorporations, adoptions of anti-take over measures (including adoption of a shareholder rights plan, requiring supermajority voting on particular issues, adoption of fair price provisions, issuance of blank check preferred stocks and the creation of a separate class of stock with unequal voting rights), changes to capital structures (including authorizing additional shares, repurchasing stock or approving a stock split), executive compensation and option plans, that occur in a variety of industries, companies and market cycles, it is extremely difficult to foresee exactly what would be in the best interests of the Fund in all circumstances. Moreover, voting on such proposals involves considerations unique to each transaction. Accordingly, Calamos will vote on a case-by-case basis on proposals presenting these transactions.

Finally, Calamos has established procedures to help resolve conflicts of interests that might arise when voting proxies for the Fund. These procedures provide that the Committee, along with Calamos' Legal and Compliance Departments, will examine conflicts of interests with the Fund of which Calamos is aware and seek to resolve such conflicts in the best interests of the Fund, irrespective of any such conflict. If a member of the Committee has a personal conflict of interest, that member will refrain from voting and the remainder of the Committee will determine how to vote the proxy solely on the investment merits of any proposal. The Committee will then memorialize the conflict and the procedures used to address the conflict.

You may obtain a copy a Calamos' Policies by calling 800.582.6959, by visiting the Fund's website at www.calamos.com, by writing Calamos at: Calamos Investments, Attn: Client Services, 2020 Calamos Court, Naperville, IL 60563, and on the Commission's website at www.sec.gov.

INVESTMENT ADVISER AND INVESTMENT MANAGEMENT AGREEMENT. Subject to the overall authority of the Board of Trustees, Calamos provides the Fund with investment research, advice and supervision and furnishes continuously an investment program for the Fund. In addition, Calamos furnishes for use of the Fund such office space and facilities as the Fund may require for its reasonable needs and supervises the business and affairs of the Fund and provides the following other services on behalf of the Fund and not provided by persons not a party to the investment management agreement: (i) preparing or assisting in the preparation of reports to and meeting materials for the Trustees; (ii) supervising, negotiating contractual arrangements with, to the extent appropriate, and monitoring the performance of, accounting agents, custodians, depositories, transfer agents and pricing agents, accountants, attorneys, printers, underwriters, brokers and dealers, insurers and other persons in any capacity deemed to be necessary or desirable to Fund operations; (iii) assisting in the preparation and making of filings with the Commission and other regulatory and self-regulatory organizations, including, but not limited to, preliminary and definitive proxy materials, amendments to the Fund's registration statement on Form N 2 and semi-annual reports on Form N SAR and Form N CSR; (iv) overseeing the tabulation of proxies by the Fund's transfer agent; (v) assisting in the preparation and filing of the Fund's federal, state and local tax returns; (vi) assisting in the preparation and filing of the Fund's federal excise tax return pursuant to Section 4982 of the Code; (vii) providing assistance with investor and public relations matters; (viii) monitoring the valuation of portfolio securities and the calculation of net asset value; (ix) monitoring the registration of shares of beneficial interest of the Fund under applicable federal and state securities laws; (x) maintaining or causing to be maintained for the Fund all books, records and

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reports and any other information required under the 1940 Act, to the extent that such books, records and reports and other information are not maintained by the Fund's custodian or other agents of the Fund; (xi) assisting in establishing the accounting policies of the Fund; (xii) assisting in the resolution of accounting issues that may arise with respect to the Fund's operations and consulting with the Fund's independent accountants, legal counsel and the Fund's other agents as necessary in connection therewith; (xiii) reviewing the Fund's bills; (xiv) assisting the Fund in determining the amount of dividends and distributions available to be paid by the Fund to its shareholders, preparing and arranging for the printing of dividend notices to shareholders, and providing the transfer and dividend paying agent, the custodian, and the accounting agent with such information as is required for such parties to effect the payment of dividends and distributions; and (xv) otherwise assisting the Fund as it may reasonably request in the conduct of the Fund's business, subject to the direction and control of the Trustees.

Under the investment management agreement, the Fund pays to Calamos a fee based on the average weekly managed assets that is computed weekly and paid on a monthly basis. The fee paid by the Fund is at the annual rate of 1.00% of average weekly managed assets. Because the fees paid to Calamos are determined on the basis of the Fund's managed assets, Calamos' interest in determining whether to leverage the Fund may differ from the interests of the Fund.

Under the terms of its investment management agreement with the Fund, except for the services and facilities provided by Calamos as set forth therein, the Fund shall assume and pay all expenses for all other Fund operations and activities and shall reimburse Calamos for any such expenses incurred by Calamos. The expenses borne by the Fund shall include, without limitation: (a) organization expenses of the Fund (including out of pocket expenses, but not including Calamos' overhead or employee costs); (b) fees payable to Calamos;
(c) legal expenses; (d) auditing and accounting expenses; (e) maintenance of books and records that are required to be maintained by the Fund's custodian or other agents of the Fund; (f) telephone, telex, facsimile, postage and other communications expenses; (g) taxes and governmental fees; (h) fees, dues and expenses incurred by the Fund in connection with membership in investment company trade organizations and the expense of attendance at professional meetings of such organizations; (i) fees and expenses of accounting agents, custodians, subcustodians, transfer agents, dividend disbursing agents and registrars; (j) payment for portfolio pricing or valuation services to pricing agents, accountants, bankers and other specialists, if any; (k) expenses of preparing share certificates; (l) expenses in connection with the issuance, offering, distribution, sale, redemption or repurchase of securities issued by the Fund; (m) expenses relating to investor and public relations provided by parties other than Calamos; (n) expenses and fees of registering or qualifying shares of beneficial interest of the Fund for sale; (o) interest charges, bond premiums and other insurance expenses; (p) freight, insurance and other charges in connection with the shipment of the Fund's portfolio securities; (q) the compensation and all expenses (specifically including travel expenses relating to Fund business) of Trustees, officers and employees of the Fund who are not affiliated persons of Calamos; (r) brokerage commissions or other costs of acquiring or disposing of any portfolio securities of the Fund; (s) expenses of printing and distributing reports, notices and dividends to shareholders; (t) expenses of preparing and setting in type, printing and mailing prospectuses and statements of additional information of the Fund and supplements thereto; (u) costs of stationery; (v) any litigation expenses; (w) indemnification of Trustees and officers of the Fund; (x) costs of shareholders' and other meetings; (y) interest on borrowed money, if any; and (z) the fees and other expenses of listing the Fund's shares on the New York Stock Exchange or any other national stock exchange.

The investment management agreement was initially approved by the Board on May 16, 2007. A discussion regarding the basis of the Board's decision to approve the investment management agreement will be available in the Fund's first Annual Report to shareholders for the period ending October 31, 2007. Unless earlier terminated as described below, the investment management agreement will remain in effect until August 1, 2008. The investment management agreement continues in effect from year to year so long as such continuation is approved at least annually by (1) the board of trustees or the vote of a majority of the outstanding voting securities (as defined in the 1940 Act) of the Fund, and (2) a majority of the trustees who are not interested persons of any party to the investment management agreement, cast

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in person at a meeting called for the purpose of voting on such approval. The investment management agreement may be terminated at any time, without penalty, by either the Fund or Calamos upon 60 days' written notice, and is automatically terminated in the event of its assignment as defined in the 1940 Act.

PORTFOLIO MANAGERS

Calamos employs a team approach to portfolio management, with teams comprised generally of the Co-Chief Investment Officers (the "Co-CIOs"), senior strategy analysts, intermediate analysts and junior analysts. The Co-CIOs, directors and senior strategy analysts are supported by deal and lead a team of investment professionals whose valuable contributions create a synergy of expertise that can be applied across many different investment strategies. John P. Calamos, Sr., Co-CIO of Calamos, generally focuses on the top-down approach of diversification by industry sector and macro-level investment themes, Nick P. Calamos, Co-CIO of Calamos, also focuses on the top-down approach of diversification by industry sector and macro-level investment themes and, in addition, focuses on the bottom-up approach and corresponding research and analysis. John P. Calamos, Jr., John Hillenbrand, Steve Klouda, Jeff Scudieri and Jon Vacko are each senior strategy analysts, and Matthew Toms is Director of Fixed Income. The Co-CUOs, directors and senior strategy analysts are referred to collectively as "Team Leaders."

The Team Leaders also have responsibility for the day-to-day management of accounts other than the Fund. Information regarding these other accounts is set forth below:

The Funds Team Leaders are responsible for managing the Fund and other accounts, including separate accounts and unregistered funds.

                   NUMBER OF OTHER ACCOUNTS MANAGED AND ASSETS BY ACCOUNT TYPE AS OF OCTOBER 31, 2006*
-------------------------------------------------------------------------------------------------------------------------
     PORTFOLIO                 REGISTERED INVESTMENT             OTHER POOLED INVESTMENT
      MANAGER                        COMPANIES                           VEHICLES                   OTHER ACCOUNTS
-----------------------    -----------------------------        --------------------------    ---------------------------
                           ACCOUNTS          ASSETS             ACCOUNTS        ASSETS        ACCOUNTS        ASSETS
                           --------     ----------------        --------     -------------    --------   ----------------
John P. Calamos            19           $ 34,265,733,500         3           $ 157,150,982     24,107    $ 11,411,070,978
Nick P. Calamos            19           $ 34,265,733,500         3           $ 157,150,982     24,107    $ 11,411,070,978
John P. Calamos, Jr.       19           $ 34,265,733,500         3           $ 157,150,982     24,107    $ 11,411,070,978
John Hillenbrand           18           $ 33,391,823,326         2           $ 144,807,710     24,107    $ 11,411,070,978
Steve Klouda               18           $ 33,391,823,326         2           $ 144,807,710     24,107    $ 11,411,070,978
Jeff Scudieri              18           $ 33,391,823,326         2           $ 144,807,710     24,107    $ 11,411,070,978
Matthew Toms**             --                         --        --                      --         --                  --
Jon Vacko                  18           $ 33,391,823,326         2           $ 144,807,710     24,107    $ 11,411,070,978

         NUMBER OF ACCOUNTS MANAGED AND ASSETS FOR WHICH ADVISORY FEE IS PERFORMANCE BASED AS OF OCTOBER 31, 2006*
-------------------------------------------------------------------------------------------------------------------------
     PORTFOLIO                 REGISTERED INVESTMENT             OTHER POOLED INVESTMENT
      MANAGER                        COMPANIES                           VEHICLES                   OTHER ACCOUNTS
-----------------------    -----------------------------        --------------------------    ---------------------------
                           ACCOUNTS          ASSETS             ACCOUNTS        ASSETS        ACCOUNTS        ASSETS
                           --------     ----------------        --------     -------------    --------   ----------------
John P Calamos              1           $    298,895,958        2            $  95,215,600          1    $      9,326,764
Nick P Calamos              1           $    298,895,958        2            $  95,215,600          1    $      9,326,764
John P Calamos, Jr.         1           $    298,895,958        2            $  95,215,600          1    $      9,326,764
John Hillenbrand            1           $    298,895,958        1            $  82,872,327          1    $      9,326,764
Steve Klouda                1           $    298,895,958        1            $  82,872,327          1    $      9,326,764
Jeff Scudieri               1           $    298,895,958        1            $  82,872,327          1    $      9,326,764
Matthew Toms**             --                         --        --                      --         --                  --
Jon Vacko                   1           $    298,895,958        1            $  82,872,327          1    $      9,326,764

* Each Team Leader may invest for his own benefit in securities held in brokerage and mutual fund accounts. The information shown in the table does not include information about those accounts where the Team Leader or members of his family have beneficial or pecuniary interest because no advisory relationship exists with Calamos or any of its affiliates.

** Matthew Toms joined Calamos in March 2007 and information regarding the number of accounts managed by Mr. Toms is not yet available.

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Other than potential conflicts between investment strategies, the side-by-side management of both the Fund and other accounts may raise potential conflicts of interest due to the interest held by Calamos in an account and certain trading practices used by the portfolio managers (e.g., cross trades between the Fund and another account and allocation aggregated trades). Calamos has developed policies and procedures reasonably designed to mitigate those conflicts. For example, Calamos will only place cross-trades in accurities held by the Fund in accordance with the rules promilgated under the 1940 Act and has adopted policies designed to ensure the fair allocation of securities purchased on an aggregated basis. The allocation methodology employed by Calamos varies depending on the type of securities sought to be bought or sold and the type of client or group of clients. Generally, however, orders are placed first for those clients that have given Calamos brokerage discretion (including the ability to step out a portion of trades), and then to clients that have directed Calamos to execute trades through a specific broker. However, if the directed broker allows Calamos to execute with other brokerage firms, which then book the transaction directly with the directed broker, the order will be placed as if the client had given Calamos full brokerage discretion. Calamos and its affiliates frequently use a "rotational" method of placing and aggregating client orders and will build and fill a position for a designated client or group of clients before placing orders for other clients.

A client account may not receive an allocation of an order if: (a) the client would receive an unmarketable amount of securities based on account size;
(b) the client has precluded Calamos from using a particular broker; (c) the cash balance in the client account will be insufficient to pay for the securities allocated to it at settlement; (d) current portfolio attributes make an allocation inappropriate; and (e) account specific guidelines, objectives and other account specific factors make an allocation inappropriate. Allocation methodology may be modified when strict adherence to the usual allocation is impractical or leads to inefficient or undesirable results. Calamos head trader must approve each instance that the usual allocation methodology is not followed and provide a reasonable basis for such instances and all modifications must be reported in writing to the Director of Compliance on a monthly basis.

The Team Leaders advise certain accounts under a performance fee arrangement. A performance fee arrangement may create an incentive for a Team Leader to make investments that are riskier or more speculative than would be the case in the absence of performance fees. A performance fee arrangement may result in increased compensation to the Team Leaders from such accounts due to under realised appreciation as well as realised gains in the client's account.

As of October 31, 2006, Team Leaders John P. Calamos, Sr., Nick P. Calamos and John P. Calamos, Jr. receive all of their compensation from Calamos Asset Management, Inc. Each has entered into employment agreements that provide for compensation in the form of an annual base salary and a discretionary target bonus, each payable in cash. Their discretionary target bonus is set at a percentage of the respective base salary, ranging from 300% to 600%, with a maximum annual bonus opportunity of 150% of the target bonus. Also, due to the ownership and executive management positions with Calamos and its parent company, additional multiple corporate objectives are utilized to determine the discretionary target bonus for John P. Calamos, Sr., Nick P. Calamos and John P. Calamos, Jr. For 2006, the additional corporate objectives were: marketing effectiveness, as measured by redemption rate compared to an absolute target; advisory fee revenues, measured by growth in revenues; operating efficiencies, as measured by operating margin percentage compared to a ranking of the top operating margins of companies in the industry; and stock price performance.

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As of October 31, 2006, John Hillenbrand, Steve Klouda, Jeff Scudieri and Jon Vacko, and, as of March 2007, Matthew Toms, receive all of their compensation from Calamos. They each receive compensation in the form of an annual base salary and a discretionary target bonus, each payable in cash. Their discretionary target bonus is set at a percentage of the respective base salary.

The amounts paid to all Team Leaders and the criteria utilized to determine the amounts are benchmarked against industry specific data provided by third party analytical agencies. The Team Leaders' compensation structure does not differentiate between the funds and other accounts managed by the Team Leaders, and is determined on an overall basis, taking into consideration the performance of the various strategies managed by the Team Leaders. Portfolio performance, as measured by risk-adjusted portfolio performance, is utilized to determine the discretionary target bonus, as well as overall performance of Calamos.

All Team Leaders are eligible to receive annual equity awards under a long term incentive compensation program. With respect to John P. Calamos, Sr., Nick P. Calamos and John P. Calamos, Jr., the target annual equity awards are set at a percentage of base salary. With respect to John Hillenbrand, Steve Klouda, Jeff Scudieri, Matthew Toms and Jon Vacko, the target annual equity awards are each set at a percentage of the respective base salaries.

Historically, the annual equity awards granted under the long-term incentive compensation program have been comprised of stock options and restricted stock units. The stock options and restricted stock units issued to date have vested annually in one-third installments beginning in the fourth year after the grant date and each award has been subject to accelerated vesting under certain conditions. Unless terminated early, the stock options have a ten-year term.

At June 22, 2007, each portfolio manager beneficially owned (as determined pursuant to Rule 16a-1a(a)(2) under the 1934 Act) shares of the Fund having value within the indicated dollar ranges.

                           FUND
                           ----
John P. Calamos          $       0
Nick P. Calamos          $       0
John P. Calamos, Jr.     $       0
John Hillenbrand         $       0
Steve Klouda             $       0
Jeff Seudieri            $       0
Matthew Toms             $       0
Jon Vacko                $       0

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FUND ACCOUNTANT. Under the arrangements with State Street Bank and Trust Company ("State Street") to provide fund accounting services, State Street provides certain administrative and accounting services including providing daily reconciliation of cash, trades and positions; maintaining general ledger and capital stock accounts; preparing daily trial balance; calculating net asset value; providing selected general ledger reports; preferred share compliance; calculating total returns; and providing monthly distribution analysis to the Fund and such other funds advised by Calamos that may be part of those arrangements (the Fund and such other funds are collectively referred to as the "Calamos Funds"). For the services rendered to the Calamos Funds, State Street receives fees based on the combined managed assets of the Calamos Funds ("Combined Assets"). State Street receives a fee at the annual rate of 0.009% for the first $5.0 billion of Combined Assets, 0.0075% for the next $5.0 billion of Combined Assets, 0.005% for the next $5.0 billion of Combined Assets and 0.0035% for the Combined Assets in excess of $15.0 billion. Each fund of the Calamos Funds pays its pro-rata share of the fees payable to State Street described below based on relative managed assets of each fund.

Calamos, and not State Street, will provide the following financial accounting services to Calamos Funds: management of expenses and expense payment processing; monitor the calculation of expense accrual amounts for any fund and make any necessary modifications; coordinate any expense reimbursement calculations and payment; calculate yields on the funds in accordance with rules and regulations of the Commission; calculate net investment income dividends and capital gains distributions; calculate, track and report tax adjustments on all assets of each fund, including but not limited to contingent debt and preferred trust obligations; prepare excise tax and fiscal year distributions schedules; prepare tax information required for financial statement footnotes; prepare state and federal income tax returns; prepare specialized calculations of amortization on convertible securities; prepare year-end dividend disclosure information; calculate trustee deferred compensation plan accruals and valuations; and prepare Form 1099 information statements for Board members and service providers. For providing those financial accounting services, Calamos will receive a fee payable monthly at the annual rate of 0.0175% on the first $1 billion of the average daily net assets of the Calamos Funds; 0.0150% on the next $1 billion of the average daily net assets of the Calamos Funds; and 0.0110% on the average daily net assets of the Calamos Funds above $2 billion ("financial accounting service fee"). Each fund of the Calamos Funds will pay its pro-rata share of the financial accounting service fee payable to Calamos based on relative managed assets of each fund.

PORTFOLIO TRANSACTIONS

Portfolio transactions on behalf of the Fund effected on stock exchanges involve the payment of negotiated brokerage commissions. There is generally no stated commission in the case of securities traded in the over the counter markets, but the price paid by the Fund usually includes an undisclosed dealer commission or mark up. In underwritten offerings, the price paid by the Fund includes a disclosed, fixed commission or discount retained by the underwriter or dealer.

In executing portfolio transactions, Calamos uses its best efforts to obtain for the Fund the most favorable combination of price and execution available. In seeking the most favorable combination of price and execution, Calamos considers all factors it deems relevant, including price, the size of the transaction, the nature of the market for the security, the amount of commission, the timing of the transaction taking into account market prices and trends, the execution capability of the broker dealer and the quality of service rendered by the broker dealer in other transactions.

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The Trustees have determined that portfolio transactions for the Fund may be executed through CFS if, in the judgment of Calamos, the use of CFS is likely to result in prices and execution at least as favorable to the Funds as those available from other qualified brokers and if, in such transactions, CFS charges the Fund commission rates consistent with those charged by CFS to comparable unaffiliated customers in similar transactions. The Board of Trustees, including a majority of the Trustees who are not "interested" trustees, has adopted procedures that are reasonably designed to provide that any commissions, fees or other remuneration paid to CFS are consistent with the foregoing standard. The Fund will not effect principal transactions with CFS.

Consistent with the Rules of Fair Practice of the National Association of Securities Dealers, Inc. and subject to seeking the most favorable combination of net price and execution available and such other policies as the Trustees may determine, Calamos may consider sales of shares of the Fund as a factor in the selection of broker dealers to execute portfolio transactions for that Fund.

In allocating the Fund's portfolio brokerage transactions to unaffiliated broker dealers, Calamos may take into consideration the research, analytical, statistical and other information and services provided by the broker dealer, such as general economic reports and information, reports or analyses of particular companies or industry groups, market timing and technical information, and the availability of the brokerage firm's analysts for consultation. Although Calamos believes these services have substantial value, they are considered supplemental to Calamos' own efforts in the performance of its duties under the management agreement. As permitted by Section 28(e) of the Securities Exchange Act of 1934 ("1934 Act"), Calamos may pay a broker dealer that provides brokerage and research services an amount of commission for effecting a securities transaction for the Fund in excess of the commission that another broker dealer would have charged for effecting that transaction if the amount is believed by Calamos to be reasonable in relation to the value of the overall quality of the brokerage and research services provided. Other clients of Calamos may indirectly benefit from the provision of these services to Calamos, and the Fund may indirectly benefit from services provided to Calamos as a result of transactions for other clients.

REPURCHASE OF COMMON SHARES

The Fund is a closed end investment company and, as such, its shareholders will not have the right to cause the Fund to redeem their shares. Instead, the Fund's common shares will trade in the open market at a price that will be a function of several factors, including dividend levels (which are in turn affected by expenses), net asset value, call protection, dividend stability, relative demand for and supply of such shares in the market, general market and economic conditions and other factors. Because shares of a closed end investment company may frequently trade at prices lower than net asset value, the Fund's Board of Trustees may consider action that might be taken to reduce or eliminate any material discount from net asset value in respect of common shares, which may include the repurchase of such shares in the open market or in private transactions, the making of a tender offer for such shares, or the conversion of the Fund to an open end investment company. The Board of Trustees may decide not to take any of these actions. In addition, there can be no assurance that share repurchases or tender offers, if undertaken, will reduce market discount.

Notwithstanding the foregoing, at any time when the Fund's preferred shares are outstanding, the Fund may not purchase, redeem or otherwise acquire any of its common shares unless (1) all accumulated preferred shares dividends have been paid and (2) at the time of such purchase, redemption or acquisition, the net asset value of the Fund's portfolio (determined after deducting the acquisition price of the common shares) is at least 200% of the liquidation value of the outstanding preferred shares (expected to equal the original purchase price per share plus any accrued and unpaid dividends thereon). Any service

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fees incurred in connection with any tender offer made by the Fund will be borne by the Fund and will not reduce the stated consideration to be paid to tendering shareholders.

Subject to its investment restrictions, the Fund may borrow to finance the repurchase of shares or to make a tender offer. Interest on any borrowings to finance share repurchase transactions or the accumulation of cash by the Fund in anticipation of share repurchases or tenders will reduce the Fund's net income. Any share repurchase, tender offer or borrowing that might be approved by the Fund's Board of Trustees would have to comply with the 1934 Act, the 1940 Act and the rules and regulations thereunder.

Although the decision to take action in response to a discount from net asset value will be made by the Board of Trustees at the time it considers such issue, it is not currently anticipated that the Board of Trustees would authorize repurchases of common shares or a tender offer for such shares if: (1) such transactions, if consummated, would (a) result in the delisting of the common shares from the New York Stock Exchange, or (b) impair the Fund's status as a regulated investment company under the Code (which would make the Fund a taxable entity, causing the Fund's income to be taxed at the entity level in addition to the taxation of shareholders who receive dividends from the Fund) or as a registered closed end investment company under the 1940 Act; (2) the Fund would not be able to liquidate portfolio securities in an orderly manner and consistent with the Fund's investment objective and policies in order to repurchase shares; or (3) there is, in the Board's judgment, any (a) material legal action or proceeding instituted or threatened challenging such transactions or otherwise materially adversely affecting the Fund, (b) general suspension of or limitation on prices for trading securities on the New York Stock Exchange, (c) declaration of a banking moratorium by federal or state authorities or any suspension of payment by United States or New York banks, (d) material limitation affecting the Fund or the issuers of its portfolio securities by federal or state authorities on the extension of credit by lending institutions or on the exchange of foreign currency, (e) commencement of war, armed hostilities or other international or national calamity directly or indirectly involving the United States, or (f) other event or condition which would have a material adverse effect (including any adverse tax effect) on the Fund or its shareholders if shares were repurchased.

The repurchase by the Fund of its shares at prices below net asset value will result in an increase in the net asset value of those shares that remain outstanding. However, there can be no assurance that share repurchases or tender offers at or below net asset value will result in the Fund's shares trading at a price equal to their net asset value. Nevertheless, the fact that the Fund's shares may be the subject of repurchase or tender offers from time to time, or that the Fund may be converted to an open end investment company, may reduce any spread between market price and net asset value that might otherwise exist.

In addition, a purchase by the Fund of its common shares will decrease the Fund's total managed assets which would likely have the effect of increasing the Fund's expense ratio. Any purchase by the Fund of its common shares at a time when preferred shares are outstanding will increase the leverage applicable to the outstanding common shares then remaining. Before deciding whether to take any action if the common shares trade below net asset value, the Fund's Board of Trustees would likely consider all relevant factors, including the extent and duration of the discount, the liquidity of the Fund's portfolio, the impact of any action that might be taken on the Fund or its shareholders and market considerations. Based on these considerations, even if the Fund's shares should trade at a discount, the Board of Trustees may determine that, in the interest of the Fund and its shareholders, no action should be taken.

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U.S. FEDERAL INCOME TAX MATTERS

The following is a summary discussion of certain U.S. federal income tax consequences that may be relevant to a shareholder that acquires, holds and/or disposes of common shares of the Fund. This discussion only addresses U.S. federal income tax consequences to U.S. shareholders who hold their shares as capital assets and does not address all of the U.S. federal income tax consequences that may be relevant to particular shareholders in light of their individual circumstances. This discussion also does not address the tax consequences to shareholders who are subject to special rules, including, without limitation, financial institutions, insurance companies, dealers in securities or foreign currencies, foreign holders, persons who hold their shares as or in a hedge against currency risk, a constructive sale, or conversion transaction, holders who are subject to the alternative minimum tax, or tax exempt or tax deferred plans, accounts, or entities. In addition, the discussion does not address any state, local, or foreign tax consequences. The discussion reflects applicable tax laws of the United States as of the date hereof, which tax laws may be changed or subject to new interpretations by the courts or the Internal Revenue Service ("IRS") retroactively or prospectively. No attempt is made to present a detailed explanation of all U.S. federal income tax concerns affecting the Fund and its shareholders, and the discussion set forth herein does not constitute tax advice. INVESTORS ARE URGED TO CONSULT THEIR OWN TAX ADVISERS BEFORE MAKING AN INVESTMENT IN THE FUND TO DETERMINE THE SPECIFIC TAX CONSEQUENCES TO THEM OF INVESTING IN THE FUND, INCLUDING THE APPLICABLE FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES AS WELL AS THE EFFECT OF POSSIBLE CHANGES IN TAX LAWS.

The Fund intends to elect to be treated and to qualify each year as a "regulated investment company" under Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code") so that it will not pay U.S. federal income tax on income and capital gains distributed to shareholders. In order to qualify as a regulated investment company under Subchapter M of the Code, the Fund must, among other things, derive at least 90% of its gross income for each taxable year from: (a) dividends, interest, payments with respect to securities loans, gains from the sale or other disposition of stock, securities or foreign currencies, other income (including gains from options, futures and forward contracts) derived with respect to its business of investing in such stock, securities or currencies; and (b) net income derived from interests in certain publicly traded partnerships that are treated as partnerships for U.S. federal income tax purposes and that derive less than 90% of their gross income from the items described in (a) above (each a "Qualified Publicly Traded Partnership") (the "90% income test"). For purposes of the 90% income test, the character of income earned by certain entities in which the Fund invests that are not treated as corporations (e.g., partnerships) for U.S. federal income tax purposes will generally pass through to the Fund. Consequently, the Fund may be required to limit its equity investments in such entities that earn fee income, rental income or other nonqualifying income. In addition to the 90% income test, the Fund must also diversify its holdings (the "asset test") so that, at the end of each quarter of its taxable year (i) at least 50% of the market value of the Fund's total assets is represented by cash and cash items, U.S. government securities, securities of other regulated investment companies and other securities, with such other securities of any one issuer limited for the purposes of this calculation to an amount not greater in value than 5% of the value of the Fund's total assets and to not more than 10% of the outstanding voting securities of such issuer, and (ii) not more than 25% of the value of its total assets is invested in the securities (other than U.S. government securities or securities of other regulated investment companies), of (I) any one issuer, (II) any two or more issuers controlled by the Fund and engaged in the same, similar or related trades or businesses, or (III) any one or more Qualified Publicly Traded Partnerships.

If a Fund qualifies as a regulated investment company and distributes to its shareholders at least 90% of the sum of (i) its "investment company taxable income" as that term is defined in the Code (which includes, among other things, dividends, taxable interest, the excess of any net short term capital gains over net long term capital losses and certain net foreign exchange gains, less certain deductible expenses) without regard to the deduction for dividends paid and (ii) the excess of its gross tax exempt interest, if any, over certain disallowed deductions, the Fund will be relieved of U.S. federal income tax on any income of the Fund, including long term capital gains, distributed to shareholders. However, if the Fund retains any

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investment company taxable income or "net capital gain" (i.e., the excess of net long term capital gains over net short term capital losses), it will be subject to U.S. federal income tax at regular corporate rates (currently at a maximum rate of 35%) on the amount retained. The Fund intends to distribute at least annually, all or substantially all of its investment company taxable income, net tax exempt interest, if any, and net capital gain. Under the Code, the Fund will be subject to a nondeductible 4% federal excise tax on its undistributed ordinary income and capital gains for any calendar year if it fails to meet certain distribution requirements with respect to such calendar year. The Fund intends to make distributions in a timely manner and accordingly does not expect to be subject to this excise tax.

If for any taxable year the Fund does not qualify as a regulated investment company for U.S. federal income tax purposes, it would be treated as a corporation subject to U.S. federal income tax and distributions to its shareholders would not be deductible by the Fund in computing its taxable income. In such event, the Fund's distributions, to the extent derived from the Fund's current or accumulated earnings and profits, would generally constitute ordinary dividends, which would be eligible for the dividends received deduction available to corporate shareholders under Section 243 of the Code, and non-corporate shareholders of the Fund generally would be able to treat such distributions as "qualified dividend income" under Section 1(h)(11) of the Code as discussed below.

The Fund expects to declare the initial monthly dividend on the common shares within approximately 60 days of the completion of this offering and to pay that initial monthly dividend approximately 90 days after the completion of this offering. The Fund intends to distribute any net capital gain at least annually. Dividends from income and/or capital gains may also be paid at such other times as may be necessary for the Fund to avoid U.S. federal income or excise taxes.

Unless a shareholder is ineligible to participate or elects otherwise, all distributions will be automatically reinvested in additional common shares of the Fund pursuant to the Automatic Dividend Reinvestment Plan (the "Plan"). For U.S. federal income tax purposes, dividends are generally taxable whether a shareholder takes them in cash or they are reinvested pursuant to the Plan in additional shares of the Fund. Distributions of investment company taxable income, which includes dividends, taxable interest, net short term capital gain in excess of net long term capital loss and certain net foreign exchange gains, are generally taxable as ordinary income to the extent of the Fund's current and accumulated earnings and profits. Under Section 1(h)(11) of the Code, for taxable years beginning on or before December 31, 2010, qualified dividend income received by non-corporate shareholders is taxed at rates equivalent to long term capital gain tax rates, which reach a maximum of 15%. "Qualified dividend income" generally includes dividends from domestic corporations and dividends from foreign corporations that meet certain specified criteria, although dividends paid by REITs will not generally be eligible to qualify as qualified dividend income. The Fund generally can pass the tax treatment of qualified dividend income it receives through to Fund shareholders. For the Fund to receive qualified dividend income, the Fund must meet certain holding period and other requirements with respect to the stock on which the otherwise qualified dividend is paid. In addition, the Fund cannot be obligated to make payments (pursuant to a short sale or otherwise) with respect to substantially similar or related property. The same provisions, including the holding period requirements, apply to each shareholder's investment in the Fund. For the dividends received by the shareholder to be eligible for such treatment. After December 31, 2010, "qualified dividend income" will no longer be taxed at the rates applicable to long term capital gains, and the maximum non-corporate tax rate on long-term capital gains will increase to 20%, unless Congress enacts legislation providing otherwise. Distributions of net capital gain, if any, are taxable as long term capital gains for U.S. federal income tax purposes without regard to the length of time the shareholder has held shares of the Fund. A distribution of an amount in excess of the Fund's current and accumulated earnings and profits, if any, will be treated by a shareholder as a tax-free return of capital which is applied against and reduces the shareholder's basis in his or her shares. To the extent that the amount of any such distribution exceeds the shareholder's basis in his or her shares, the excess will be treated by the shareholder as gain from the sale or exchange of shares. The U.S. federal

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income tax status of all distributions will be designated by the Fund and reported to the shareholders annually.

If a shareholder's distributions are automatically reinvested pursuant to the Plan and the Plan Agent invests the distribution in shares acquired on behalf of the shareholder in open-market purchases, for U.S. federal income tax purposes, the shareholder will be treated as having received a taxable distribution in the amount of the cash dividend that the shareholder would have received if the shareholder had elected to receive cash. If a shareholder's distributions are automatically reinvested pursuant to the Plan and the Plan Agent invests the distribution in newly issued shares of the Fund, the shareholder will be treated as receiving a taxable distribution equal to the fair market value of the shares the shareholder receives.

If the Fund retains any net capital gain, the Fund may designate the retained amount as undistributed capital gains in a notice to shareholders who, if subject to U.S. federal income tax on long term capital gains, (i) will be required to include in income, as long term capital gain, their proportionate share of such undistributed amount, and (ii) will be entitled to credit their proportionate share of the federal income tax paid by the Fund on the undistributed amount against their U.S. federal income tax liabilities, if any, and to claim refunds to the extent the credit exceeds such liabilities. For U.S. federal income tax purposes, the tax basis of shares owned by a shareholder of the Fund will be increased by the difference between the amount of undistributed net capital gain included in the shareholder's gross income and the federal income tax deemed paid by the shareholder.

Any dividend declared by the Fund in October, November or December with a record date in such a month and paid during the following January will be treated for U.S. federal income tax purposes as paid by the Fund and received by shareholders on December 31 of the calendar year in which it is declared.

Foreign exchange gains and losses realized by the Fund in connection with certain transactions involving foreign currency denominated debt securities, certain options and futures contracts relating to foreign currency, foreign currency forward contracts, foreign currencies, or payables or receivables denominated in a foreign currency are subject to Section 988 of the Code, which generally causes such gain and loss to be treated as ordinary income and loss and may affect the amount, timing and character of distributions to shareholders.

If the Fund acquires any equity interest (generally including not only stock but also an option to acquire stock such as is inherent in a convertible bond) in certain foreign corporations that receive at least 75% of their annual gross income from passive sources (such as interest, dividends, certain rents and royalties, or capital gains) or that hold at least 50% of their assets in investments held for the production of such passive income ("passive foreign investment companies"), the Fund could be subject to U.S. federal income tax and additional interest charges on "excess distributions" received from such companies or on gain from the sale of equity interests in such companies, even if all income or gain actually received by the Fund is timely distributed to its shareholders. These investments could also result in the treatment of associated capital gains as ordinary income. The Fund would not be able to pass through to its shareholders any credit or deduction for such tax. An election may generally be available that would ameliorate these adverse tax consequences, but any such election could require the Fund to recognize taxable income or gain (subject to tax distribution requirements) without the concurrent receipt of cash. The Fund may limit and/or manage its holdings in passive foreign investment companies to limit its tax liability or maximize its return from these investments. Dividends paid by passive foreign investment companies will not be treated as qualified dividend income.

The Fund may invest to a significant extent in debt obligations that are in the lowest rating categories or are unrated, including debt obligations of issuers not currently paying interest or who are in default. Investments in debt obligations that are at risk of or in default present special tax issues for the

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Fund. The federal income tax laws are not entirely clear about issues such as when the Fund may cease to accrue interest, original issue discount or market discount, when and to what extent deductions may be taken for bad debts or worthless securities and how payments received on obligations in default should be allocated between principal and income. These and other related issues will be addressed by the Fund when, as and if it invests in such securities, in order to seek to ensure that it distributes sufficient income to preserve its status as a regulated investment company and does not become subject to U.S. federal income or excise taxes.

If the Fund utilizes leverage through borrowing, asset coverage limitations imposed by the 1940 Act as well as additional restrictions that may be imposed by certain lenders on the payment of dividends or distributions could potentially limit or eliminate the Fund's ability to make distributions on its common shares until the asset coverage is restored. These limitations could prevent the Fund from distributing at least 90% of its investment company taxable income as is required under the Code and therefore might jeopardize the Fund's qualification as a regulated investment company and/or might subject the Fund to the nondeductible 4% federal excise tax. Upon any failure to meet the asset coverage requirements imposed by the 1940 Act, the Fund may, in its sole discretion and to the extent permitted under the 1940 Act, purchase or redeem shares of preferred stock in order to maintain or restore the requisite asset coverage and avoid the adverse consequences to the Fund and its shareholders of failing to meet the distribution requirements. There can be no assurance, however, that any such action would achieve these objectives. The Fund will endeavor to avoid restrictions on its ability to distribute dividends.

If the Fund invests in certain pay in kind securities, deferred interest securities or, in general, any other securities with original issue discount (or with market discount if the Fund elects to include market discount in income currently), the Fund must accrue income on such investments for each taxable year, which generally will be prior to the receipt of the corresponding cash payments. However, the Fund must distribute, at least annually, all or substantially all of its net income, including such accrued income, to shareholders to avoid U.S. federal income and excise taxes. Therefore, the Fund may have to dispose of its portfolio securities under disadvantageous circumstances to generate cash, or may have to leverage itself by borrowing the cash, to satisfy distribution requirements.

The Fund may acquire market discount bonds. A market discount bond is a security acquired in the secondary market at a price below its redemption value (or its adjusted issue price if it is also an original issue discount bond). If the Fund invests in a market discount bond, it will be required to treat any gain recognized on the disposition of such market discount bond as ordinary income (instead of capital gain) to the extent of the accrued market discount unless the Fund elects to include the market discount in income as it accrues, as discussed above.

At the time of an investor's purchase of the Fund's shares, a portion of the purchase price may be attributable to realized or unrealized appreciation in the Fund's portfolio or undistributed taxable income of the Fund. Consequently, subsequent distributions by the Fund with respect to these shares from such appreciation or income may be taxable to such investor even if the net asset value of the investor's shares is, as a result of the distributions, reduced below the investor's cost for such shares and the distributions economically represent a return of a portion of the investment.

Sales and other dispositions of the Fund's shares are taxable events for shareholders that are subject to federal income tax. Shareholders should consult their own tax advisors regarding their individual circumstances to determine whether any particular transaction in the Fund's shares is properly treated as a sale for tax purposes (as the following discussion assumes) and the tax treatment of any gains or losses recognized in such transactions. Any loss realized by a shareholder upon the sale or other disposition of shares with a tax holding period of six months or less will be treated as a long term capital loss to the extent of any amounts treated as distributions of long term capital gain with respect to such shares. Losses on sales or other dispositions of shares may be disallowed under "wash sale" rules in the event a shareholder acquires other investments in the Fund (including those made pursuant to reinvestment of dividends) or other substantially identical stock or securities within a period of 61 days beginning 30 days before and ending 30 days after a sale or other disposition of shares. In such a case, the disallowed portion of any loss generally would be included in the U.S. federal income tax basis of the shares acquired.

The Fund may engage in various transactions utilizing options, futures contracts, forward contracts, hedge instruments, straddles, and other similar transactions. Such transactions may be subject

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to special provisions of the Code that, among other things, affect the character of any income realized by the Fund from such investments, accelerate recognition of income to the Fund, defer Fund losses, and affect the determination of whether capital gain and loss is characterized as long term or short term capital gain or loss. These rules could therefore affect the character, amount and timing of distributions to shareholders. These provisions may also require the Fund to mark to market certain types of the positions in its portfolio (i.e., treat them as if they were closed out), which may cause the Fund to recognize income without receiving cash with which to make distributions in amounts necessary to satisfy the distribution requirements for avoiding U.S. federal income and excise taxes. Certain of the Fund's investment practices may also produce income that will not qualify as good income for purposes of the 90% income taxes described above. The Fund will monitor its transactions, make the appropriate tax elections, and make the appropriate entries in its books and records when it acquires an option, futures contract, forward contract, hedge instrument or other similar investment in order to mitigate the effect of these rules, prevent disqualification of the Fund as a regulated investment company and minimize the imposition of U.S. federal income and excise taxes.

The Fund's entry into a short sale transaction, an option or certain other contracts could be treated as the constructive sale of an appreciated financial position, causing the Fund to realize gain, but not loss, on the position.

Certain distributions by the Fund may qualify for the dividends received deduction available to corporate shareholders, subject to certain holding period and other requirements, but generally only to the extent the Fund earned dividend income from stock investments in U.S. domestic corporations (other than REITs).

The IRS has taken the position that if a regulated investment company has two classes of shares, it must designate distributions made to each class in any year as consisting of no more than such class's proportionate share of particular types of income (e.g., dividends qualifying for the dividends received deduction, "qualified dividend income," ordinary income and net capital gains). Consequently, if both common shares and preferred shares are outstanding, the Fund intends to designate distributions made to each class of particular types of income in accordance with each class' proportionate shares of such income. Thus, the Fund will designate dividends qualifying for the corporate dividends received deduction, "qualified dividend income," ordinary income and net capital gains in a manner that allocates such income between the holders of common shares and preferred shares in proportion to the total dividends made to each class during or for the taxable year, or otherwise as required by applicable law.

The Fund may invest in REITs that hold residual interests in real estate mortgage investment conduits ("REMICs"). Under a notice recently issued by the IRS, a portion of the Fund's income from a REIT that is attributable to the REIT's residual interest in a REMIC (referred to in the Code as an "excess inclusion") will be subject to federal income tax. This notice also provides that excess inclusion income of a regulated investment company, such as the Fund, will be allocated to shareholders of the regulated investment company in proportion to the dividends received by such shareholders, with the same consequences as if the shareholders held the related REMIC residual interest directly. In general, excess inclusion income allocated to shareholders (i) cannot be offset by net operating losses (subject to a limited exception for certain thrift institutions), (ii) will constitute unrelated business taxable income to entities (including a qualified pension plan, an individual retirement account, a 401(k) plan, a Keogh plan or other tax exempt entity) subject to federal income tax on unrelated business income, thereby potentially requiring such an entity that is allocated excess inclusion income, and otherwise might not be required to file a tax return, to file a federal income tax return and pay tax on such income, and (iii) in the case of a foreign shareholder, will not qualify for any reduction in U.S. federal withholding tax. In addition, if at any time during any taxable year a "disqualified organization" (as defined in the Code) is a record holder of a share in a regulated investment company, then the regulated investment company will be subject to a tax equal to that portion of its excess inclusion income for the taxable year that is allocable to the disqualified organization, multiplied by the highest federal income tax rate imposed on corporations. The Fund does not intend to invest in REITs in which a substantial portion of the assets will consist of residual interests in REMICs.

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The Fund may be subject to withholding and other taxes imposed by foreign countries, including taxes on interest, dividends and capital gains with respect to its investments in those countries, which would, if imposed, reduce the yield on or return from those investments. Tax treaties between certain countries and the U.S. may reduce or eliminate such taxes in some cases.

If more than 50% of the value of the Fund's total assets at the close of the taxable year consists of stock or securities of foreign corporations, the Fund may make an election under Section 853 of the Code to "pass through" to the Fund's shareholders the foreign income taxes it pays. If this election is made, shareholders will generally be able to claim a credit or deduction (but not both) on their federal income tax returns for, and will be required to treat as part of the amounts distributed to them, their pro rata portion of the income taxes paid by the Fund to foreign countries (which taxes relate primarily to investment income). The shareholders of the Fund may claim a federal income tax credit by reason of the Fund's election, subject to certain limitations imposed by the Code. Also, under the Code, no deduction for foreign taxes may be claimed by individual shareholders who do not elect to itemize deductions on their federal income tax returns, although such a shareholder may be able to claim a credit for foreign taxes paid and in any event will be treated as having taxable income in the amount of the shareholder's pro rata share of foreign taxes paid by the Fund. If the Fund does not make such an election, the foreign taxes paid by the Fund will reduce the Fund's net investment income. In such a case, shareholders will not be able to claim either a credit or a deduction for their pro rata portion of such taxes paid by the Fund, nor will shareholders be required to treat as part of the amounts distributed to them their pro rata portion of such taxes paid. Each shareholder should consult his own tax advisor regarding the potential application of foreign tax credits.

Federal law requires that the Fund withhold, as "backup withholding," 28% of reportable payments, including dividends, capital gain distributions and the proceeds of sales or other dispositions of the Fund's shares paid to shareholders who have not complied with IRS regulations. In order to avoid this withholding requirement, shareholders must certify on their Account Applications, or on a separate IRS Form W-9, that the Social Security Number or other Taxpayer Identification Number they provide is their correct number and that they are not currently subject to backup withholding, or that they are exempt from backup withholding. The Fund may nevertheless be required to withhold if it receives notice from the IRS or a broker that the number provided is incorrect or backup withholding is applicable as a result of previous underreporting of interest or dividend income.

Treasury regulations provide that if a shareholder recognizes a loss with respect to shares of $2 million or more in a single taxable year (or $4 million or more in any combination of taxable years) for an individual shareholder, S corporation or trust or $10 million or more in a single taxable year (or $20 million or more in any combination of years) for a shareholder who is a C corporation, such shareholder will generally be required to file with the IRS a disclosure statement on Form 8886. Direct shareholders of portfolio securities are generally excepted from this reporting requirement, but under current guidance, shareholders of a regulated investment company are not excepted. Future guidance may extend the current exception from this reporting requirement to shareholders of most or all regulated investment companies. The fact that a loss is reportable under these regulations does not affect the legal determination of whether the taxpayer's treatment of the loss is proper. Shareholders should consult their tax advisors to determine the applicability of these regulations in light of their individual circumstances.

The description of certain federal income tax provisions above relates only to U.S. federal income tax consequences for shareholders who are U.S. persons (i.e., U.S. citizens or residents or U.S. corporations, partnerships, trusts or estates). Investors other than U.S. persons may be subject to different U.S. tax treatment, including U.S. withholding tax at the rate of 30% (or at a lower treaty rate on amounts treated as ordinary dividends from the Fund provided a valid and effective IRS Form W-8BEN is on file with the Fund). However, effective for taxable years of the Fund beginning before January 1, 2008, the Fund will generally not be required to withhold tax on any amounts paid to a non-U.S. person with respect to dividends attributable to "qualified short-term gain" (i.e., the excess of net short-term capital gain over net long-term capital loss) designated as such by the Fund and dividends attributable to certain U.S. source interest income that would not be subject to federal withholding tax if earned directly by a non-U.S. person, provided such amounts are properly designed by the Fund. SHAREHOLDERS SHOULD CONSULT THEIR OWN TAX ADVISORS ON THESE MATTERS AND ON ANY SPECIFIC QUESTION OF U.S. FEDERAL, STATE, LOCAL, FOREIGN AND OTHER APPLICABLE TAX LAWS BEFORE MAKING AN INVESTMENT IN THE FUND.

CUSTODIAN, TRANSFER AGENT, DIVIDEND PAYING AGENT AND REGISTRAR

The Fund's securities and cash are held under a custodian agreement with The Bank of New York, One Wall Street, New York, New York 10286. The transfer agent, dividend paying agent and registrar for the Fund's common shares is also The Bank of New York.

EXPERTS

The financial statements of the Fund as of June 13, 2007 appearing in this statement of additional information have been audited by Deloitte & Touche LLP, 111 S. Wacker Drive, Chicago, Illinois, 60606, independent registered public accounting firm, as set forth in their report thereon appearing elsewhere herein, and is included in reliance upon the report of such firm given upon their authority as experts in accounting and auditing.

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ADDITIONAL INFORMATION

A Registration Statement on Form N-2, including amendments thereto, relating to the shares offered hereby, has been filed by the Fund with the Commission, Washington, D.C. The Prospectus and this Statement of Additional Information do not contain all of the information set forth in the Registration Statement, including any exhibits and schedules thereto. For further information with respect to the Fund and the shares offered hereby, reference is made to the Registration Statement. Statements contained in the Prospectus and this Statement of Additional Information as to the contents of any contract or other document referred to are not necessarily complete and in each instance reference is made to the copy of such contract or other document filed as an exhibit to the Registration Statement, each such statement being qualified in all respects by such reference. A copy of the Registration Statement may be inspected without charge at the Commission's principal office in Washington, D.C., and copies of all or any part thereof may be obtained from the Commission upon the payment of certain fees prescribed by the Commission.

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FINANCIAL STATEMENTS

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Trustees and Shareholder of Calamos Global Dynamic Income Fund

We have audited the accompanying statement of assets and liabilities of Calamos Global Dynamic Income Fund (the "Fund"), as of June 13, 2007, and the related statement of operations for the period from April 10, 2007 through June 13, 2007. These financial statements are the responsibility of the Fund's management. Our responsibility is to express an opinion on these financial statements based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. The Fund is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. Our audit included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Fund's internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of Calamos Global Dynamic Income Fund as of June 13, 2007, and the results of its operations for the period from April 10, 2007 through June 13, 2007, in conformity with accounting principles generally accepted in the United States of America.

DELOITTE & TOUCHE LLP
Chicago, Illinois
June 21, 2007

F-1

CALAMOS GLOBAL DYNAMIC INCOME FUND
STATEMENT OF ASSETS AND LIABILITIES
JUNE 13, 2007

ASSETS:
Cash ................................................................   $131,500
Deferred offering costs .............................................    171,357
                                                                        --------
Total assets ........................................................    302,857
                                                                        --------
LIABILITIES:
Accrued offering costs ..............................................    171,357
Accrued organizational expenses .....................................     31,500
                                                                        --------
                                                                         202,857
                                                                        --------
Net assets (6,992.03 shares of beneficial interest issued and
   outstanding; unlimited shares authorized) ........................   $100,000
                                                                        --------
Net asset value per share ...........................................   $ 14.302
                                                                        --------

F-2

STATEMENT OF OPERATIONS
FOR THE PERIOD FROM APRIL 10, 2007 THROUGH JUNE 13, 2007

Investment income ...................................................   $     --
                                                                        --------
Organizational expenses .............................................     31,500
Less: reimbursement from investment adviser .........................    (31,500)
                                                                        --------
Net expenses ........................................................         --
                                                                        --------
Net investment income ...............................................   $     --
                                                                        --------

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NOTES

1. ORGANIZATION

Calamos Global Dynamic Income Fund (the "Fund") is a diversified, closed-end management investment company, organized on April 10, 2007 which has had no operations other than the sale and issuance of 6,992 shares of beneficial interest at an aggregate purchase price of $100,000 to Calamos Advisors LLC (the "Investment Adviser" or "Calamos"). The Fund estimates that it will issue common shares in its initial offering at an aggregate offering price of $500,000,000. The Fund currently anticipates that it will issue preferred shares as soon as practicable after the closing of the initial offering of common shares.

2. ACCOUNTING POLICIES

The preparation of the financial statements in accordance with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. Actual results could differ from these estimates.

3. AGREEMENTS

The Fund has entered into an Investment Advisory Agreement with Calamos, which provides for payment of a monthly fee computed at the annual rate of 1.00% of the Fund's average weekly managed assets. "Managed assets" means the total assets of the Fund (including any assets attributable to leverage) minus accrued liabilities (other than liabilities representing leverage). For purposes of calculating managed assets, the liquidation preference of any preferred shares outstanding is not considered a liability.

The Fund and other closed end and open end funds advised by Calamos that are part of these arrangements (the Fund and such other funds are collectively referred to as the "Calamos Funds") have entered into a Fund Accounting Servicing Agreement with State Street Bank & Trust Co. ("State Street"). The Calamos Funds will pay State Street a monthly fee at the annual rate of 0.0090% for the first $5 billion of combined assets; 0.0075% on the next $5 billion of combined assets; 0.0050% on the next $5 billion of combined assets and 0.0035% for the combined assets that exceed $15 billion (for purposes of this calculation "combined assets" means the total of the average daily net assets of Calamos Investment Trust and Calamos Advisors Trust and the average weekly managed assets of Calamos Convertible and High Income Fund, Calamos Convertible Opportunities and Income Fund, Calamos Strategic Total Return Fund, Calamos Global Total Return Fund and Calamos Global Dynamic Income Fund). Each fund of the Calamos Funds will pay its pro-rata share of the fees.

The Calamos Funds have also entered into a Financial Accounting Servicing Agreement with Calamos. The Calamos Funds will pay Calamos a monthly fee at the annual rate of 0.0175% on the first $1 billion of combined assets; 0.0150% on the next $1 billion of combined assets; and 0.0110% on combined assets that exceed $2 billion. Each fund of the Calamos Funds will pay its pro-rata share of the fees.

4. ORGANIZATIONAL AND OFFERING EXPENSES

A portion of the net proceeds of the proposed public offering will be used to pay for the offering costs and organizational expenses. Offering costs incurred through June 13, 2007 have been reported on the Statement of Assets and Liabilities as deferred offering costs. These offering costs, as well as offering costs incurred subsequent to June 13, 2007, will be charged to paid-in-capital upon sale of the shares to the public. Organizational expenses have been treated as an expense as incurred and are currently estimated to be $31,500.

Organization costs recorded in the accompanying financial statements as well as offering costs which have been incurred and are deferred pending the receipt of proceeds from the proposed offering reflect management's best estimate and are subject to change upon the completion of the offering and conclusion of the organization process. The Investment Adviser has also committed to bear all organizational and offering costs incurred by the Fund which exceed $0.03 per common share.

5. FEDERAL INCOME TAXES

The Fund intends to qualify as a "regulated investment company" and as such (and by complying with the applicable provisions of the Internal Revenue Code of 1986, as amended) will not be subject to Federal income tax on taxable income (including realized capital gains) that is distributed to shareholders.

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APPENDIX A--DESCRIPTION OF RATINGS(1)

MOODY'S PRIME RATING SYSTEM

Moody's short-term ratings are opinions of the ability of issuers to honor senior financial obligations and contracts. Such obligations generally have an original maturity not exceeding one year, unless explicitly noted.

Moody's employs the following designations, all judged to be investment grade, to indicate the relative repayment ability of rated issuers:

Prime-1: Issuers rated Prime 1 (or supporting institutions) have a superior ability for repayment of senior short-term debt obligations. Prime 1 repayment ability will often be evidenced by many of the following characteristics:

Leading market positions in well-established industries. High rates of return on funds employed. Conservative capitalization structure with moderate reliance on debt and ample asset protection. Broad margins in earnings coverage of fixed financial charges and high internal cash generation. Well-established access to a range of financial markets and assured sources of alternate liquidity.

Prime-2: Issuers (or supporting institutions) rated Prime 2 have a strong ability to repay senior short-term debt obligations. This will normally be evidenced by many of the characteristics cited above, but to a lesser degree. Earnings trends and coverage ratios, while sound, may be more subject to variation than is the case for Prime 2 securities. Capitalization characteristics, while still appropriate, may be more affected by external conditions. Ample alternate liquidity is maintained.

Prime-3: Issuers (or supporting institutions) rated Prime 3 have an acceptable ability for repayment of senior short-term obligations. The effect of industry characteristics and market compositions may be more pronounced. Variability in earnings and profitability may result in changes in the level of debt-protection measurements and may require relatively high financial leverage. Adequate alternate liquidity is maintained.

Not Prime: Issuers rated Not Prime do not fall within any of the Prime rating categories.

In addition, in certain countries the prime rating may be modified by the issuer's or guarantor's senior unsecured long-term debt rating.

MOODY'S DEBT RATINGS

AAA: Bonds and preferred stock which are rated Aaa are judged to be of the best quality. They carry the smallest degree of investment risk and are generally referred to as "gilt edged." Interest payments are protected by a large or by an exceptionally stable margin and principal is secure. While the various protective elements are likely to change, such changes as can be visualized are most unlikely to impair the fundamentally strong position of such issues.


(1) The ratings indicated herein are believed to be the most recent ratings available at the date of this prospectus for the securities listed. Ratings are generally given to securities at the time of issuance. While the rating agencies may from time to time revise such ratings, they undertake no obligation to do so, and the ratings indicated do not necessarily represent ratings which will be given to these securities on the date of the fund's fiscal year-end.

A-1

AA: Bonds and preferred stock which are rated Aa are judged to be of high quality by all standards. Together with the Aaa group they comprise what are generally known as high-grade bonds.

They are rated lower than the best bonds because margins of protection may not be as large as in Aaa securities or fluctuation of protective elements may be of greater amplitude or there may be other elements present which make the long-term risk appear somewhat larger than the Aaa securities.

A: Bonds and preferred stock which are rated A possess many favorable investment attributes and are to be considered as upper-medium-grade obligations. Factors giving security to principal and interest are considered adequate, but elements may be present which suggest a susceptibility to impairment some time in the future.

BAA: Bonds and preferred stock which are rated Baa are considered as medium-grade obligations (i.e., they are neither highly protected nor poorly secured). Interest payments and principal security appear adequate for the present but certain protective elements may be lacking or may be characteristically unreliable over any great length of time. Such bonds lack outstanding investment characteristics and in fact have speculative characteristics as well.

BA: Bonds and preferred stock which are rated Ba are judged to have speculative elements; their future cannot be considered as well-assured. Often the protection of interest and principal payments may be very moderate, and thereby not well safeguarded during both good and bad times over the future. Uncertainty of position characterizes bonds in this class.

B: Bonds and preferred stock which are rated B generally lack characteristics of the desirable investment. Assurance of interest and principal payments or of maintenance of other terms of the contract over any long period of time may be small.

CAA: Bonds and preferred stock which are rated Caa are of poor standing. Such issues may be in default or there may be present elements of danger with respect to principal or interest.

CA: Bonds and preferred stock which are rated Ca represent obligations which are speculative in a high degree. Such issues are often in default or have other marked shortcomings.

C: Bonds and preferred stock which are rated C are the lowest rated class of bonds, and issues so rated can be regarded as having extremely poor prospects of ever attaining any real investment standing.

Moody's assigns ratings to individual debt securities issued from medium-term note (MTN) programs, in addition to indicating ratings to MTN programs themselves. Notes issued under MTN programs with such indicated ratings are rated at issuance at the rating applicable to all pari passu notes issued under the same program, at the program's relevant indicated rating, provided such notes do not exhibit any of the characteristics listed below. For notes with any of the following characteristics, the rating of the individual note may differ from the indicated rating of the program:

1) Notes containing features which link the cash flow and/or market value to the credit performance of any third party or parties.

2) Notes allowing for negative coupons, or negative principal.

3) Notes containing any provision which could obligate the investor to make any additional payments.

A-2

Market participants must determine whether any particular note is rated, and if so, at what rating level.

Note: Moody's applies numerical modifiers 1, 2, and 3 in each generic rating classification from Aa through Caa. The modifier 1 indicates that the obligation ranks in the higher end of its generic rating category; the modifier 2 indicates a mid-range ranking; and the modifier 3 indicates a ranking in the lower end of that generic rating category.

STANDARD & POOR'S SHORT-TERM ISSUE CREDIT RATINGS

A-1: A short-term obligation rated A 1 is rated in the highest category by Standard & Poor's. The obligor's capacity to meet its financial commitment on the obligation is strong. Within this category, certain obligations are designated with a plus sign (+). This indicates that the obligor's capacity to meet its financial commitment on these obligations is extremely strong.

A-2: A short-term obligation rated A 2 is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than obligations in higher rating categories. However, the obligor's capacity to meet its financial commitment on the obligation is satisfactory.

A-3: A short-term obligation rated A 3 exhibits adequate protection parameters. However, adverse economic conditions or changing circumstances are more likely to lead to a weakened capacity of the obligor to meet its financial commitment on the obligation.

B: A short-term obligation rated B is regarded as having significant speculative characteristics. The obligor currently has the capacity to meet its financial commitment on the obligation; however, it faces major ongoing uncertainties which could lead to the obligor's inadequate capacity to meet its financial commitment on the obligation.

C: A short-term obligation rated C is currently vulnerable to nonpayment and is dependent upon favorable business, financial, and economic conditions for the obligor to meet its financial commitment on the obligation.

D: A short-term obligation rated D is in payment default. The D rating category is used when payments on an obligation are not made on the date due even if the applicable grace period has not expired, unless Standard & Poor's believes that such payments will be made during such grace period. The D rating also will be used upon the filing of a bankruptcy petition or the taking of a similar action if payments on an obligation are jeopardized.

STANDARD & POOR'S LONG-TERM ISSUE CREDIT RATINGS

Issue credit ratings are based, in varying degrees, on the following considerations:

- Likelihood of payment-capacity and willingness of the obligor to meet its financial commitment on an obligation in accordance with the terms of the obligation;

- Nature of and provisions of the obligation;

- Protection afforded by, and relative position of, the obligation in the event of bankruptcy, reorganization, or other arrangement under the laws of bankruptcy and other laws affecting creditors' rights.

A-3

The issue rating definitions are expressed in terms of default risk. As such, they pertain to senior obligations of an entity. Junior obligations are typically rated lower than senior obligations, to reflect the lower priority in bankruptcy, as noted above. (Such differentiation applies when an entity has both senior and subordinated obligations, secured and unsecured obligations, or operating company and holding company obligations.) Accordingly, in the case of junior debt, the rating may not conform exactly with the category definition.

AAA: An obligation rated AAA has the highest rating assigned by Standard & Poor's. The obligor's capacity to meet its financial commitment on the obligation is extremely strong.

AA: An obligation rated AA differs from the highest rated obligations only in small degree. The obligor's capacity to meet its financial commitment on the obligation is very strong.

A: An obligation rated A is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than obligations in higher rated categories. However, the obligor's capacity to meet its financial commitment on the obligation is still strong.

BBB: An obligation rated BBB exhibits adequate protection parameters. However, adverse economic conditions or changing circumstances are more likely to lead to a weakened capacity of the obligor to meet its financial commitment on the obligation.

Obligations rated BB, B, CCC, CC, and C are regarded as having significant speculative characteristics. BB indicates the least degree of speculation and C the highest. While such obligations will likely have some quality and protective characteristics, these may be outweighed by large uncertainties or major exposures to adverse conditions.

BB: An obligation rated BB is less vulnerable to nonpayment than other speculative issues. However, it faces major ongoing uncertainties or exposure to adverse business, financial, or economic conditions which could lead to the obligor's inadequate capacity to meet its financial commitment on the obligation.

B: An obligation rated B is more vulnerable to nonpayment than obligations rated BB, but the obligor currently has the capacity to meet its financial commitment on the obligation. Adverse business, financial, or economic conditions will likely impair the obligor's capacity or willingness to meet its financial commitment on the obligation.

CCC: An obligation rated CCC is currently vulnerable to nonpayment, and is dependent upon favorable business, financial, and economic conditions for the obligor to meet its financial commitment on the obligation. In the event of adverse business, financial, or economic conditions, the obligor is not likely to have the capacity to meet its financial commitment on the obligation.

CC: An obligation rated CC is currently highly vulnerable to nonpayment.

C: A subordinated debt or preferred stock obligation rated C is CURRENTLY HIGHLY VULNERABLE to nonpayment. The C rating may be used to cover a situation where a bankruptcy petition has been filed or similar action taken, but payments on this obligation are being continued. A C also will be assigned to a preferred stock issue in arrears on dividends or sinking fund payments, but that is currently paying.

D: An obligation rated D is in payment default. The D rating category is used when payments on an obligation are not made on the date due even if the applicable grace period has not expired, unless Standard & Poor's believes that such payments will be made during such grace period. The D rating also

A-4

will be used upon the filing of a bankruptcy petition or the taking of a similar action if payments on an obligation are jeopardized.

Plus (+) or Minus (-): The ratings from AA to CCC may be modified by the addition of a plus or minus sign to show relative standing within the major rating categories.

R: This symbol is attached to the ratings of instruments with significant noncredit risks. It highlights risks to principal or volatility of expected returns which are not addressed in the credit rating.

N.R.: This indicates that no rating has been requested, that there is insufficient information on which to base a rating, or that Standard & Poor's does not rate a particular obligation as a matter of policy.

LOCAL CURRENCY AND FOREIGN CURRENCY RISKS

Country risk considerations are a standard part of Standard & Poor's analysis for credit ratings on any issuer or issue. Currency of repayment is a key factor in this analysis. An obligor's capacity to repay foreign currency obligations may be lower than its capacity to repay obligations in its local currency due to the sovereign government's own relatively lower capacity to repay external versus domestic debt. These sovereign risk considerations are incorporated in the debt ratings assigned to specific issues. Foreign currency issuer ratings are also distinguished from local currency issuer ratings to identify those instances where sovereign risks make them different for the same issuer.

A-5

PART C - OTHER INFORMATION

ITEM 25: FINANCIAL STATEMENTS AND EXHIBITS

1. Financial Statements:

The Registrant's statement of assets and liabilities and statement of operations dated June 13, 2007, notes to that financial statement and report of independent public accountants thereon are filed herewith.

2. Exhibits:

a.1. Agreement and Declaration of Trust. (2)
a.2. Certificate of Trust. (2)
b. By-laws. (1)
c. None.
d. Form of Share Certificate. (2)
e. Terms and Conditions of the Dividend Reinvestment Plan. (2)
f. None.
g. Investment Management Agreement with Calamos Advisors LLC (2)
h.1. Form of Underwriting Agreement. (2)
h.2. Form of Standard Dealer Agreement. (2)
h.3 Master Agreement Among Underwriters (2)
i. None.
j.1. Form of Custody Agreement. (2)
j.2. Form of Foreign Custody Manager Agreement. (2)
k.1 Form of Stock Transfer Agency Agreement. (2)
k.2 Financial Accounting Services Agreement. (2)
k.3 Master Services Agreement (2)
l.1. Opinion of Vedder, Price, Kaufman & Kammholz, P.C. (2)
l.2. Opinion of Morris, Nichols, Arsht & Tunnell. (2)
m. None.
n. Consent of Auditors. (2)
o. Not applicable.
p. Subscription Agreement. (2)
q. None.
r.1 Code of Ethics. (2)
s. Powers of Attorney (1)


(1) Incorporated by reference to Registrant's initial Registration Statement on Form N-2 (1933 Act File No. 333-142056) as filed with the Commission on April 12, 2007.

(2) Filed herewith.

ITEM 26: MARKETING ARRANGEMENTS

Reference will be made to the underwriting agreement for the Registrant's shares of beneficial interest to be filed in an amendment to the Registrant's Registration Statement.

Part C - Page 1


ITEM 27: OTHER OFFERING EXPENSES AND DISTRIBUTION

The following table sets forth the estimated expenses to be incurred in connection with the offering described in this Registration Statement:

Registration fees......................   $ 53,500
New York Stock Exchange listing fee....     40,000
Printing (other than certificates).....    125,000
Engraving and printing certificates....      1,500
Accounting fees and expenses...........     33,000
Legal fees and expenses................    175,000
NASD fee...............................     30,500
Miscellaneous..........................     10,000
                                          --------
Total..................................   $468,500
                                          ========

ITEM 28. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL

None.

ITEM 29. NUMBER OF HOLDERS OF SECURITIES

As the Fund is newly formed, there are no securities issued and outstanding.

ITEM 30. INDEMNIFICATION

The Registrant's Agreement and Declaration of Trust (the "Declaration"), dated March 30, 2007, provides that every person who is, or has been, a Trustee or an officer, employee or agent of the Registrant (including any individual who serves at its request as director, officer, partner, employee, Trustee, agent or the like of another organization in which it has any interest as a shareholder, creditor or otherwise ("Covered Person") shall be indemnified by the Registrant or the appropriate series of the Registrant to the fullest extent permitted by law against liability and against all expenses reasonably incurred or paid by him in connection with any claim, action, suit or proceeding in which he becomes involved as a party or otherwise by virtue of his being or having been a Covered Person and against amounts paid or incurred by him in the settlement thereof; provided that no indemnification shall be provided to a Covered Person (i) who shall have been adjudicated by a court or body before which the proceeding was brought (A) to be liable to the Registrant or its shareholders by reason of willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his office, or (B) not to have acted in good faith and in a manner the person reasonably believed to be or not opposed to the best interest of the Registrant; or (ii) in the event of a settlement, unless there has been a determination that such Covered Person did not engage in willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his office; (A) by the court or other body approving the settlement; (B) by at least a majority of those Trustees who are neither Interested Persons of the Trust nor are parties to the matter based upon a review of readily available facts (as opposed to a full trial-type inquiry);
(C) by written opinion of independent legal counsel based upon a review of readily available facts (as opposed to a full trial-type inquiry) or (D) by a vote of a majority of the Outstanding Shares entitled to vote (excluding any Outstanding Shares owned of record or beneficially by such individual).

The Declaration also provides that if any shareholder or former shareholder of the Registrant shall be held personally liable solely by reason of his being or having been a shareholder and not because of his acts or omissions or for some other reason, the shareholder or former shareholder (or

Part C - Page 2


his heirs, executors, administrators or other legal representatives or in the case of any entity, its general successor) shall be entitled out of the assets belonging to the Registrant to be held harmless from and indemnified against all loss and expense arising from such liability. The Registrant shall, upon request by such shareholder, assume the defense of any claim made against such shareholder for any act or obligation of the series and satisfy any judgment thereon from the assets of the series.

The Registrant, its Trustees and officers, its investment adviser, the other investment companies advised by the adviser and certain persons affiliated with them are insured, within the limits and subject to the limitations of the insurance, against certain expenses in connection with the defense of actions, suits or proceedings, and certain liabilities that might be imposed as a result of such actions, suits or proceedings. The insurance expressly excludes coverage for any Trustee or officer whose personal dishonesty, fraudulent breach of trust, lack of good faith, or intention to deceive or defraud has been finally adjudicated or may be established or who willfully fails to act prudently.

Insofar as indemnification for liability arising under the Securities Act of 1933, as amended (the "1933 Act"), may be available to Trustees, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the 1933 Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant's expenses incurred or paid by a Trustee, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such Trustee, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the 1933 Act and will be governed by the final adjudication of such issue.

ITEM 31. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER

The information in the Statement of Additional Information under the caption "Management--Trustees and Officers" is incorporated by reference.

ITEM 32. LOCATION OF ACCOUNTS AND RECORDS

All such accounts, books, and other documents are maintained at the offices of the Registrant, at the offices of the Registrant's investment manager, Calamos Advisors LLC 2020 Calamos Court, Naperville, Illinois 60563, at the offices of the custodian, 100 Church Street, New York, New York 10286 or at the offices of the transfer agent, 111 8th Avenue, New York, New York 10011 5201.

ITEM 33. MANAGEMENT SERVICES

Not applicable.

ITEM 34. UNDERTAKINGS

1. The Registrant undertakes to suspend the offering of shares until the prospectus is amended if (1) subsequent to the effective date of its registration statement, the net asset value declines more than ten percent from its net asset value as of the effective date of the registration statement or
(2) the net asset value increases to an amount greater than its net proceeds as stated in the prospectus.

2. Not applicable.

3. Not applicable.

4. Not applicable.

5. (a) For the purposes of determining any liability under the 1933 Act, the information omitted from the form of prospectus filed as part of a registration statement in reliance upon Rule 430A and contained in the form of prospectus filed by the Registrant under Rule 497(h) under the 1933 Act shall be deemed to be part of the Registration Statement as of the time it was declared effective.

Part C - Page 3


(b) For the purpose of determining any liability under the 1933 Act, each post-effective amendment that contains a form of prospectus shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of the securities at that time shall be deemed to be the initial bona fide offering thereof.

6. The Registrant undertakes to send by first class mail or other means designed to ensure equally prominent delivery within two business days of receipt of a written or oral request the Registrant's statement of additional information.

Part C - Page 4


SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and/or Investment Company Act of 1940, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in this City of Naperville and State of Illinois, on the 22nd day of June, 2007.

CALAMOS GLOBAL DYNAMIC INCOME FUND

By: /s/ John P. Calamos
    ------------------------------------
    John P. Calamos,
    Trustee and President

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities and on the date(s) indicated.

Name                                           Title                      Date
----                                           -----                      ----


/s/ John P. Calamos                Trustee and President           )  June 22, 2007
--------------------------------   (principal executive officer)   )
John P. Calamos

                                                                   )
                *                  Trustee                         )
--------------------------------
Joe F. Hanauer                                                     )

                                                                   )
                *                  Trustee                         )
--------------------------------
Weston W. Marsh                                                    )


                                                                   )
                *                  Trustee                         )
--------------------------------
John E. Neal                                                       )

                                                                   )
                *                  Trustee                         )
--------------------------------
William Rybak                                                      )

                                                                   )
                *                  Trustee                         )
--------------------------------
Stephen B. Timbers                                                 )


                *                  Trustee                         )
--------------------------------
David D. Tripple                                                   )


/s/ Patrick H. Dudasik             Vice President                  )  June 22, 2007
--------------------------------   (principal financial and        )
Patrick H. Dudasik                 accounting officer)             )

* James S. Hamman Jr. signs this document pursuant to powers of attorney filed with the Registrant's initial Registration Statement on Form N-2, as filed with the Commission on April 12, 2007.

By: /s/ James S. Hamman, Jr.
    ------------------------------------
    James S. Hamman, Jr.
    Attorney-In-Fact
    June 22, 2007

Part C - Page 5


Exhibit a.1

CALAMOS GLOBAL DIVERSIFIED INCOME AND OPPORTUNITIES FUND

AGREEMENT AND DECLARATION OF TRUST

This AGREEMENT AND DECLARATION OF TRUST is made on March 30, 2007 by the undersigned (together with all other persons from time to time duly elected, qualified and serving as Trustees in accordance with the provisions of Article II hereof, the "Trustees") for the purpose of forming a Delaware statutory trust in accordance with the provisions hereinafter set forth;

NOW, THEREFORE, the Trustees declare that all money and property contributed to the Trust shall be held and managed IN TRUST pursuant to this Agreement and Declaration of Trust.

ARTICLE I

NAME AND DEFINITIONS

Section 1. Name. The name of the Trust created by this Agreement and Declaration of Trust is "Calamos Global Diversified Income and Opportunities Fund" and the Trustees shall conduct the business of the Trust under that name or any other name or names as they may from time to time determine.

Section 2. Definitions. Unless otherwise provided or required by the context:

(a) "Administrator" means the party, other than the Trust, to the contract described in Article III, Section 3 hereof.

(b) "By-Laws" means the By-Laws of the Trust adopted by the Trustees, as amended from time to time, which By-Laws are expressly herein incorporated by reference as part of the "governing instrument" within the meaning of the Delaware Act.

(c) "Class" means any class of Shares of any Series established and designated under or in accordance with the provisions of Article V.

(d) "Commission," "Interested Person" and "Principal Underwriter" have the meanings provided in the 1940 Act. Except as such term may be otherwise defined by the Trustees in conjunction with the establishment of any Series of Shares, the term "vote of a majority of the shares outstanding and entitled to vote" shall have the same meaning as is assigned to the term "vote of a majority of the outstanding voting securities" in the 1940 Act.

(e) "Covered Person" means a person so defined in Article IV,
Section 2.

(f) "Custodian" means any Person other than the Trust who has custody of any Trust Property as required by Section 17(f) of the 1940 Act, but does not include a system for the central handling of securities described in said
Section 17(f).


(g) "Declaration" shall mean this Agreement and Declaration of Trust, as amended or restated from time to time. Reference in this Declaration of Trust to "Declaration," "hereof," "herein," and "hereunder" shall be deemed to refer to this Declaration rather than exclusively to the article or section in which such words appear.

(h) "Delaware Act" means the Delaware Statutory Trust Act, 12 Del. C. Sections 3801, et seq., as amended from time to time.

(i) "Distributor" means the party or parties, other than the Trust, to the contract described in Article III, Section 1 hereof.

(j) "His" shall include the feminine and neuter, as well as the masculine, genders.

(k) "Investment Adviser" means the party, other than the Trust, to the contract described in Article III, Section 2 hereof.

(l) "Net Asset Value" means the net asset value of each Series of the Trust, determined as provided in Article VI, Section 3.

(m) "Person" means and includes individuals, corporations, partnerships, trusts, associations, joint ventures, estates and other entities, whether or not legal entities, and governments and agencies and political subdivisions, thereof, whether domestic or foreign.

(n) "Securities Act" shall mean the Securities Act of 1933, as amended.

(o) "Series" means a series of Shares established and designated under or in accordance with the provisions of Article V, each of which shall be accounted for and maintained as a separate series or portfolio of the Trust.

(p) "Shareholder" means a record owner of Outstanding Shares;

(q) "Shares" means the equal proportionate transferable units of interest into which the beneficial interest of each Series and Class, as applicable, of the Trust is divided from time to time (including whole Shares and fractions of Shares). "Outstanding Shares" means Shares shown in the books of the Trust or its transfer agent as then issued and outstanding, but does not include Shares which have been repurchased or redeemed by the Trust and which are held in the treasury of the Trust.

(r) "Transfer Agent" means any Person other than the Trust who maintains the Shareholder records of the Trust, such as the list of Shareholders, the number of Shares credited to each account, and the like.

(s) "Trust" means Calamos Global Diversified Income and Opportunities Fund established hereby, and reference to the Trust, when applicable to one or more Series, refers to that Series.

2

(t) "Trustee" means each person who has signed this Declaration of Trust, so long as he shall continue in office in accordance with the terms hereof, and all other persons who may from time to time be duly qualified and serving as Trustees in accordance with Article II, in all cases in their capacities as Trustees hereunder.

(u) "Trust Property" means any and all property, real or personal, tangible or intangible, which is from time to time owned or held by or for the account of the Trust or any Series or the Trustees on behalf of the Trust or any Series, each and every asset of which shall be allocated and belong to a specific series to the exclusion of all other series.

(v) The "1940 Act" means the Investment Company Act of 1940, as amended from time to time, including the rules and regulations of the Commission thereunder and any order or orders thereunder which may from time to time be applicable to the Trust.

ARTICLE II

THE TRUSTEES

Section 1. Management of the Trust. The business and affairs of the Trust shall be managed by or under the direction of the Trustees, and they shall have all powers necessary or desirable to carry out that responsibility. The Trustees may execute all instruments and take all action they deem necessary or desirable to promote the interests of the Trust. Any determination made by the Trustees in good faith as to what is in the interests of the Trust shall be conclusive. In construing the provisions of this Declaration, the presumption shall be in favor of a grant of power to the Trustees.

Section 2. Powers. The Trustees in all instances shall act as principals, free of the control of the Shareholders. The Trustees shall have full power and authority to take or refrain from taking any action and to execute any contracts and instruments that they may consider necessary or desirable in the management of the Trust. The Trustees shall not in any way be bound or limited by current or future laws or customs applicable to trust investments, but shall have full power and authority to make any investments which they, in their sole discretion, deem proper to accomplish the purposes of the Trust. The Trustees may exercise all of their powers without recourse to any court or other authority. Subject to any applicable limitation herein or in the By-Laws or resolutions of the Trust, the Trustees shall have power and authority, without limitation:

(a) To operate as and carry on the business of an investment company, and exercise all the powers necessary and appropriate to the conduct of such operations.

(b) To invest in, hold for investment, or reinvest in, cash; securities of any type, including, but not limited to, common, preferred and preference stocks; warrants; subscription rights; profit-sharing interests or participations and all other contracts for or evidence of equity interests; bonds, debentures, bills, time notes and all other evidences of indebtedness; negotiable or non-negotiable instruments; government securities, including securities of any state, municipality or other political subdivision thereof, or any governmental or quasi-governmental agency or instrumentality; and money market instruments including bank certificates of deposit, finance paper, commercial paper, bankers'

3

acceptances and all kinds of repurchase agreements, of any corporation, company, trust, association, firm or other business organization however established, and of any country, state, municipality or other political subdivision, or any governmental or quasi-governmental agency or instrumentality; or any other security, property or instrument in which the Trust or any of its Series shall be authorized to invest.

(c) To acquire (by purchase, subscription or otherwise), to hold, to trade in and deal in, to acquire any rights or options to purchase or sell, to sell or otherwise dispose of, to lend and to pledge any such securities, to enter into repurchase agreements, reverse repurchase agreements, firm commitment agreements, forward foreign currency exchange contracts, interest rate mortgage or currency swaps and interest rate caps, floors and collars, to purchase and sell options on securities, securities indices, currency, swaps and other financial assets, futures contracts and options on futures contracts of all descriptions and to engage in all types of hedging, risk-management or income enhancement transactions.

(d) To exercise all rights, powers and privileges of ownership or interest in all securities, repurchase agreements and other assets included in the Trust Property, including the right to vote thereon and otherwise act with respect thereto and to do all acts for the preservation, protection, improvement and enhancement in value of all such securities, repurchase agreements and other assets.

(e) To acquire (by purchase, lease or otherwise) and to hold, use, maintain, develop and dispose of (by sale or otherwise) any property, real or personal, including cash or foreign currency, and any interest therein.

(f) To borrow money or other property in the name of the Trust exclusively for Trust purposes and in this connection issue notes or other evidence of indebtedness; to secure borrowings by mortgaging, pledging or otherwise subjecting as security the Trust Property; and to endorse, guarantee, or undertake the performance of any obligation or engagement of any other Person and to lend Trust Property.

(g) To aid by further investment any corporation, company, trust, association or firm, any obligation of or interest in which is included in the Trust Property or in the affairs of which the Trustees have any direct or indirect interest; to do all acts and things designed to protect, preserve, improve or enhance the value of such obligation or interest; and to guarantee or become surety on any or all of the contracts, stocks, bonds, notes, debentures and other obligations of any such corporation, company, trust, association or firm.

(h) To adopt By-Laws not inconsistent with this Declaration providing for the conduct of the business of the Trust and to amend and repeal them to the extent such right is not reserved to the Shareholders.

(i) To elect and remove with or without cause such officers and appoint and terminate such agents as they deem appropriate.

4

(j) To employ as custodian of any assets of the Trust, subject to any provisions herein or in the By-Laws, one or more banks, trust companies or companies that are members of a national securities exchange, or other entities permitted by the Commission to serve as such.

(k) To retain one or more transfer agents and shareholder servicing agents, or both.

(l) To provide for the distribution of Shares either through a Principal Underwriter as provided herein or by the Trust itself, or both, or pursuant to a distribution plan of any kind.

(m) To set record dates in the manner provided for herein or in the By-Laws.

(n) To delegate such authority as they consider desirable to any officers of the Trust and to any agent, independent contractor, manager, investment adviser, custodian or underwriter.

(o) To hold any security or other property (i) in a form not indicating any trust, whether in bearer, book entry, unregistered or other negotiable form, or (ii) either in the Trust's or Trustees' own name or in the name of a custodian or a nominee or nominees, subject to safeguards according to the usual practice of statutory trusts or investment companies.

(p) To establish separate and distinct Series with separately defined investment objectives and policies and distinct investment purposes, and with separate Shares representing beneficial interests in such Series, and to establish separate Classes, all in accordance with the provisions of Article V.

(q) To the full extent permitted by Section 3804 of the Delaware Act, to allocate assets, liabilities and expenses of the Trust to a particular Series and assets, liabilities and expenses to a particular Class or to apportion the same between or among two or more Series or Classes, provided that any liabilities or expenses incurred by a particular Series or Class shall be payable solely out of the assets belonging to that Series or Class as provided for in Article V, Section 4.

(r) To consent to or participate in any plan for the reorganization, consolidation or merger of any corporation or concern whose securities are held by the Trust; to consent to any contract, lease, mortgage, purchase, or sale of property by such corporation or concern; and to pay calls or subscriptions with respect to any security held in the Trust.

(s) To compromise, arbitrate, or otherwise adjust claims in favor of or against the Trust or any matter in controversy including, but not limited to, claims for taxes.

(t) To make distributions of income, capital gains, returns of capital (if any) and redemption proceeds to Shareholders in the manner hereinafter provided for.

(u) To establish committees for such purposes, with such membership, and with such responsibilities as the Trustees may consider proper, including a committee consisting of fewer than all of the Trustees then in office, which may act for and bind the Trustees and the Trust with respect to the

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institution, prosecution, dismissal, settlement, review or investigation of any action, suit or proceeding, pending or threatened to be brought before any court, administrative agency or other adjudicatory body.

(v) To issue, sell, repurchase, redeem, cancel, retire, acquire, hold, resell, reissue, dispose of and otherwise deal in Shares; to establish terms and conditions regarding the issuance, sale, repurchase, redemption, cancellation, retirement, acquisition, holding, resale, reissuance, disposition of or dealing in Shares; and, subject to Articles V and VI, to apply to any such repurchase, redemption, retirement, cancellation or acquisition of Shares any funds or property of the Trust or of the particular Series with respect to which such Shares are issued.

(w) To invest part or all of the Trust Property (or part or all of the assets of any Series), or to dispose of part or all of the Trust Property (or part or all of the assets of any Series) and invest the proceeds of such disposition, in securities issued by one or more other investment companies registered under the 1940 Act (including investment by means of transfer of part or all of the Trust Property in exchange for an interest or interest in such one or more investment companies) all without any requirement of approval by Shareholders. Any such other investment company may (but need not) be a trust (formed under the laws of any state) which is classified as a partnership for federal income tax purposes.

(x) To sell or exchange any or all of the assets of the Trust, subject to Article IX, Sections 4, 6 and 7.

(y) To enter into joint ventures, partnerships and any other combinations and associations.

(z) To join with other security holders in acting through a committee, depositary, voting trustee or otherwise, and in that connection to deposit any security with, or transfer any security to, any such committee, depositary or trustee, and to delegate to them such power and authority with relation to any security (whether or not so deposited or transferred) as the Trustees shall deem proper, and to agree to pay, and to pay, such portion of the expenses and compensation of such Committee, depositary or trustee as the Trustees shall deem proper.

(aa) To purchase and pay for entirely out of Trust Property such insurance as the Trustees may deem necessary or appropriate for the conduct of the business, including, without limitation, insurance policies insuring the assets of the Trust or payment of distributions and principal on its portfolio investments, and, subject to applicable law and any restrictions set forth in the By-Laws, insurance policies insuring the Shareholders, Trustees, officers, employees, agents, investment advisers, Principal Underwriters, or independent contractors of the Trust, individually, against all claims and liabilities of every nature arising by reason of holding Shares, holding, being or having held any such office or position, or by reason of any action alleged to have been taken or omitted by any such Person as Trustee, officer, employee, agent, investment adviser, Principal Underwriter, or independent contractor, including any action taken or omitted that may be determined to constitute negligence, whether or not the Trust would have the power to indemnify such Person against liability.

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(bb) To adopt, establish and carry out pension, profit-sharing, share bonus, share purchase, savings, thrift and other retirement, incentive and benefit plans and trusts, including the purchasing of life insurance and annuity contracts as a means of providing such retirement and other benefits, for any or all of the Trustees, officers, employees and agents of the Trust.

(cc) To vote or give assent, or exercise any rights of ownership, with respect to stock or other securities or property; and to execute and deliver proxies or powers of attorneys to such Person or Persons as the Trustees shall deem proper, granting to such Person or Persons such power and discretion with relation to securities and property as the Trustees shall deem proper.

(dd) To enter into contracts of any kind and description.

(ee) To interpret the investment policies, practices or limitations of any Series or Class.

(ff) To guarantee indebtedness and contractual obligations of others.

(gg) To carry on any other business in connection with or incidental to any of the foregoing powers, to do everything necessary or desirable to accomplish any purpose or to further any of the foregoing powers, and to take every other action incidental to the foregoing business or purposes, objects or powers.

The clauses above shall be construed as objects and powers, and the enumeration of specific powers shall not limit in any way the general powers of the Trustees. Any action by one or more of the Trustees in their capacity as such hereunder shall be deemed an action on behalf of the Trust or the applicable Series, and not an action in an individual capacity. No one dealing with the Trustees shall be under any obligation to make any inquiry concerning the authority of the Trustees, or to see to the application of any payments made or property transferred to the Trustees or upon their order. In construing this Declaration, the presumption shall be in favor of a grant of power to the Trustees.

Section 3. Certain Transactions. Except as prohibited by applicable law, the Trustees may, on behalf of the Trust, buy any securities from or sell any securities to, or lend any assets of the Trust to, any Trustee or officer of the Trust or any firm of which any such Trustee or officer is a member acting as principal, or have any such dealings with any investment adviser, administrator, distributor or transfer agent for the Trust or with any Interested Person of such person. The Trust may employ any such person or entity in which such person is an Interested Person, as broker, legal counsel, registrar, investment adviser, administrator, distributor, transfer agent, dividend disbursing agent, custodian or in any other capacity upon customary terms.

Section 4. Initial Trustee(s); Election and Number of Trustees. The initial Trustee(s) shall be the persons initially signing this Declaration. The number of Trustees (other than the initial Trustees) shall be fixed from time to time by a majority of the Trustees then in office; provided, that there shall be at least one (1) Trustee and no more than fifteen (15).

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Section 5. Term of Office of Trustees; Classes.

(a) Subject to the voting rights established with respect to a particular Series or Class, each Trustee shall hold office for life or until his successor is elected and duly qualified or the Trust terminates. Notwithstanding the foregoing but subject to the voting rights established with respect to a particular Series or Class, (1) any Trustee may resign by delivering to the other Trustees or to any Trust officer a written resignation effective upon such delivery or a later date specified therein; (2) any Trustee may be removed with or without cause at any time by a written instrument signed by at least two-thirds of the then Trustees, specifying the effective date of removal; (3) any Trustee who requests to be retired, or who is declared bankrupt or has become physically or mentally incapacitated or is otherwise unable to serve, may be retired by a written instrument signed by a majority of the other Trustees, specifying the effective date of retirement; and (4) any Trustee may be removed, with or without cause, by a vote of at least a majority of the then Trustees if such removal is approved by the holders of at least two-thirds of the Outstanding Shares entitled to vote with respect to the election of such Trustee and present in person or by proxy at a meeting of the Shareholders called for such purpose.

(b) The Board of Trustees shall be divided into three classes, designated Class I, Class II and Class III. Each class shall consist, as nearly as may be possible, of one-third of the total number of trustees constituting the entire Board of Trustees. Within the limits above specified, the number of the Trustees in each class shall be determined by resolution of the Board of Trustees. The term of office of the 1st class shall expire on the date of the 1st annual meeting of Shareholders or special meeting in lieu thereof following the effective date of the Registration Statement relating to the Shares under the Securities Act. The term of the 2nd class shall expire on the date of the 2nd annual meeting of Shareholders or special meeting in lieu thereof following the effective date of the Registration Statement relating to the Shares under the Securities Act. The term of the 3rd class shall expire on the date of the 3rd annual meeting of Shareholders or special meeting in lieu thereof following the effective date of the Registration Statement relating to the Shares under the Securities Act. Upon expiration of the term of office of each class as set forth above, the number of Trustees in such class, as determined by the Board of Trustees, shall be elected for a term expiring on the date of the 3rd annual meeting of Shareholders or special meeting in lieu thereof following such expiration to succeed the Trustees whose terms of office expire. The Trustees shall be elected at an annual meeting of the Shareholders or special meeting in lieu thereof called for that purpose.

Section 6. Vacancies; Appointment of Trustees. Whenever a vacancy shall exist in the Board of Trustees, regardless of the reason for such vacancy, the remaining Trustees shall appoint any person as they determine in their sole discretion to fill that vacancy, consistent with the limitations under the 1940 Act, provided, that if the Shareholders of any Class or Series of Shares are entitled separately to elect one or more Trustees, a majority of the remaining Trustees or the sole remaining Trustee elected by that Class or Series may fill any vacancy among the number of Trustees elected by that Class or Series. Such appointment shall be made by a written instrument signed by a majority of the Trustees or by a resolution of the Trustees, duly adopted and recorded in the records of the Trust, specifying the effective date of the appointment. The Trustees may appoint a new Trustee as provided above in anticipation of a vacancy expected to occur because of the retirement, resignation or removal of a Trustee, or an increase in number of Trustees, provided that such appointment shall become effective only at or after the expected vacancy occurs. As soon as any such Trustee has accepted his appointment in writing, the trust estate shall vest in

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the new Trustee, together with the continuing Trustees, without any further act or conveyance, and he shall be deemed a Trustee hereunder. The Trustees' power of appointment is subject to Section 16(a) of the 1940 Act. Whenever a vacancy in the number of Trustees shall occur, until such vacancy is filled as provided in this Article II, the Trustees in office, regardless of their number, shall have all the powers granted to the Trustees and shall discharge all the duties imposed upon the Trustees by the Declaration. The death, declination to serve, resignation, retirement, removal or incapacity of one or more Trustees, or all of them, shall not operate to annul the Trust or to revoke any existing agency created pursuant to the terms of this Declaration of Trust.

Section 7. Chairman. The Trustees may appoint one of their number to be Chairman of the Board of Trustees. The Chairman shall preside at all meetings of the Trustees, shall be responsible for the execution of policies established by the Trustees and the administration of the Trust, and may be the chief executive, financial and/or accounting officer of the Trust. If the Trustees do not appoint a Chairman, the President shall perform the duties and have the responsibilities hereunder.

Section 8. Action by the Trustees.

(a) Except as expressly provided in this Agreement, the Trustees shall act by majority vote at a meeting duly called at which a quorum is present, including a meeting held by conference telephone, teleconference or other electronic media or communication equipment by means of which all persons participating in the meeting can communicate with each other; or by written consent of a majority of Trustees (or such greater number as may be required by applicable law) without a meeting. A majority of the Trustees shall constitute a quorum at any meeting. Meetings of the Trustees may be called orally or in writing by the President or by any one of the Trustees or as set forth in the By-Laws. Notice of the time, date and place of all Trustees' meetings shall be given to each Trustee as set forth in the By-Laws; provided, however, that no notice is required if the Trustees provide for regular or stated meetings. Notice need not be given to any Trustee who attends the meeting without objecting to the lack of notice or who signs a waiver of notice either before or after the meeting. Except as expressly provided in this Agreement, the Trustees by majority vote may delegate to any Trustee or Trustees or committee authority to approve particular matters or take particular actions on behalf of the Trust. Any written consent or waiver may be provided and delivered to the Trust by facsimile or other similar electronic mechanism.

(b) A Trustee who with respect to the Trust is not an Interested Person shall be deemed to be independent and disinterested when making any determinations or taking any action as a Trustee, whether pursuant to the 1940 Act, the Delaware Act or otherwise.

Section 9. Ownership of Trust Property. The Trust Property of the Trust and of each Series shall be held separate and apart from any assets now or hereafter held in any capacity other than as Trustee hereunder by the Trustees or any successor Trustees. Legal title in and beneficial ownership of all of the assets of the Trust shall at all times be considered as vested in the Trust, except that the Trustees may cause legal title in and beneficial ownership of any Trust Property to be held by, or in the name of one or more of the Trustees acting for and on behalf of the Trust, or in the name of any person as nominee acting for and on behalf of the Trust. No Shareholder shall be deemed to have a severable ownership in any individual asset of the Trust or of any Series or any right of partition or possession thereof, but each

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Shareholder shall have, as provided in Article V, a proportionate undivided beneficial interest in the Trust or Series or Class thereof represented by Shares. The Shares shall be personal property giving only the rights specifically set forth in this Trust Instrument. The Trust, or at the determination of the Trustees one or more of the Trustees or a nominee acting for and on behalf of the Trust, shall be deemed to hold legal title and beneficial ownership of any income earned on securities of the Trust issued by any business entities formed, organized, or existing under the laws of any jurisdiction, including the laws of any foreign country. Upon the resignation or removal of a Trustee, or his otherwise ceasing to be a Trustee, he shall execute and deliver such documents as the remaining Trustees shall require for the purpose of conveying to the Trust or the remaining Trustees any Trust Property held in the name of the resigning or removed Trustee. Upon the incapacity or death of any Trustee, his legal representative shall execute and deliver on his behalf such documents as the remaining Trustees shall require as provided in the preceding sentence.

Section 10. Effect of Trustees Not Serving. The death, resignation, retirement, removal, incapacity or inability or refusal to serve of the Trustees, or any one of them, shall not operate to annul the Trust or to revoke any existing agency created pursuant to the terms of this Declaration.

Section 11. Trustees, Etc. as Shareholders. Subject to any restrictions in the By-Laws, any Trustee, officer, agent or independent contractor of the Trust may acquire, own and dispose of Shares to the same extent as any other Shareholder; the Trustees may issue and sell Shares to and buy Shares from any such person or any firm or company in which such Person is interested, subject only to any general limitations herein.

Section 12. Series Trustees. In connection with the establishment of one or more Series or Classes, the Trustees establishing such Series or Class may appoint, to the extent permitted by the Delaware Act, separate Trustees with respect to such Series or Classes (the "Series Trustees"). Series Trustees may, but are not required to, serve as Trustees of the Trust or any other Series or Class of the Trust. The Series Trustees shall have, to the exclusion of any other Trustee of the Trust, all the powers and authorities of Trustees hereunder with respect to such Series or Class, but shall have no power or authority with respect to any other Series or Class. Any provision of this Declaration relating to election of Trustees by Shareholders only shall entitle the Shareholders of a Series or Class for which Series Trustees have been appointed to vote with respect to the election of such Series Trustees and the Shareholders of any other Series or Class shall not be entitled to participate in such vote. In the event that Series Trustees are appointed, the Trustees initially appointing such Series Trustees shall, without the approval of any Outstanding Shares, amend either the Declaration or the By-Laws to provide for the respective responsibilities of the Trustees and the Series Trustees in circumstances where an action of the Trustees or Series Trustees affects all Series of the Trust or two or more Series represented by different Trustees.

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ARTICLE III

CONTRACTS WITH SERVICE PROVIDERS

Section 1. Underwriting Contract. The Trustees may in their discretion from time to time enter into an exclusive or non-exclusive underwriting or distribution contract or contracts providing for the sale of the Shares whereby the Trustees may either agree to sell the Shares to the other party to the contract or appoint such other party as their sales agent for the Shares, and in either case on such terms and conditions, if any, as may be prescribed in the By-Laws, and such further terms and conditions as the Trustees may in their discretion determine not inconsistent with the provisions of this Article III or of the By-Laws; and such contract may also provide for the repurchase of the Shares by such other party as agent of the Trustees.

Section 2. Advisory or Management Contract. The Trustees may in their discretion from time to time enter into one or more investment advisory or management contracts or, if the Trustees establish multiple Series, separate investment advisory or management contracts with respect to one or more Series whereby the other party or parties to any such contracts shall undertake to furnish the Trust or such Series management, investment advisory, administration, accounting, legal, statistical and research facilities and services, promotional or marketing activities, and such other facilities and services, if any, as the Trustees shall from time to time consider desirable and all upon such terms and conditions as the Trustees may in their discretion determine. Notwithstanding any provisions of the Declaration, the Trustees may authorize the Investment Adviser(s) or persons to whom the Investment Adviser(s) delegates certain or all of its duties, or any of them, under any such contracts (subject to such general or specific instructions as the Trustees may from time to time adopt) to effect purchases, sales, loans or exchanges of portfolio securities and other investments of the Trust on behalf of the Trustees or may authorize any officer, employee or Trustee to effect such purchases, sales, loans or exchanges pursuant to recommendations of such Investment Adviser(s), or any of them (and all without further action by the Trustees). Any such purchases, sales, loans and exchanges shall be deemed to have been authorized by all of the Trustees.

Section 3. Administration Agreement. The Trustees may in their discretion from time to time enter into an administration agreement or, if the Trustees establish multiple Series or Classes, separate administration agreements with respect to each Series or Class, whereby the other party to such agreement shall undertake to manage the business affairs of the Trust or of a Series or Class thereof of the Trust and furnish the Trust or a Series or a Class thereof with office facilities, and shall be responsible for the ordinary clerical, bookkeeping and recordkeeping services at such office facilities, and other facilities and services, if any, and all upon such terms and conditions as the Trustees may in their discretion determine.

Section 4. Service Agreement. The Trustees may in their discretion from time to time enter into service agreements with respect to one or more Series or Classes of Shares whereby the other parties to such Service Agreements will provide administration and/or support services pursuant to administration plans and service plans, and all upon such terms and conditions as the Trustees in their discretion may determine.

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Section 5. Transfer Agent. The Trustees may in their discretion from time to time enter into a transfer agency and shareholder service contract whereby the other party to such contract shall undertake to furnish transfer agency and shareholder services to the Trust. The contract shall have such terms and conditions as the Trustees may in their discretion determine not inconsistent with the Declaration. Such services may be provided by one or more Persons.

Section 6. Custodian. The Trustees may appoint or otherwise engage one or more banks or trust companies or any other entity satisfying the requirements of the 1940 Act, to serve as Custodian with authority as its agent, but subject to such restrictions, limitations and other requirements, if any, as may be contained in the By-Laws of the Trust. The Trustees may also authorize the Custodian to employ one or more sub-custodians, including such foreign banks and securities depositories as meet the requirements of applicable provisions of the 1940 Act, and upon such terms and conditions as may be agreed upon between the Custodian and such sub-custodian, to hold securities and other assets of the Trust and to perform the acts and services of the Custodian, subject to applicable provisions of law and resolutions adopted by the Trustees.

Section 7. Affiliations of Trustees or Officers, Etc. The fact that: (i) any of the Shareholders, Trustees or officers of the Trust or any Series thereof is a shareholder, director, officer, partner, trustee, employee, manager, adviser or distributor of or for any partnership, corporation, trust, association or other organization or of or for any parent or affiliate of any organization, with which a contract of the character described in this Article III or for services as Custodian, Transfer Agent or disbursing agent or for related services may have been or may hereafter be made, or that any such organization, or any parent or affiliate thereof, is a Shareholder of or has an interest in the Trust, or that (ii) any partnership, corporation, trust, association or other organization with which a contract of the character described in Sections 1, 2, 3 or 4 of this Article III or for services as Custodian, Transfer Agent or disbursing agent or for related services may have been or may hereafter be made also has any one or more of such contracts with one or more other partnerships, corporations, trusts, associations or other organizations, or has other business or interests, shall not affect the validity of any such contract or disqualify any Shareholder, Trustee or officer of the Trust from voting upon or executing the same or create any liability or accountability to the Trust or its Shareholders.

ARTICLE IV

COMPENSATION, LIMITATION OF LIABILITY AND INDEMNIFICATION

Section 1. Compensation. The Trustees as such shall be entitled to reasonable compensation from the Trust, and they may fix the amount of such compensation. Nothing herein shall in any way prevent the employment of any Trustee for advisory, management, legal, accounting, investment banking or other services and payment for the same by the Trust.

Section 2. Limitation of Liability. All persons contracting with or having any claim against the Trust or a particular Series shall look only to the assets of all Series or such particular Series for payment under such contract or claim; and neither the Trustees nor, when acting in such capacity, any of the Trust's officers, employees or agents, whether past, present or future, shall be personally liable therefor. Every written instrument or obligation on behalf of the Trust or any Series shall contain a statement to the

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foregoing effect, but the absence of such statement shall not operate to make any Trustee or officer of the Trust liable thereunder. Provided they have exercised reasonable care and have acted under the reasonable belief that their actions are in the best interest of the Trust, the Trustees and officers of the Trust shall not be responsible or liable for any act or omission or for neglect or wrongdoing of them or any officer, agent, employee, investment adviser or independent contractor of the Trust, but nothing contained in this Declaration or in the Delaware Act shall protect any Trustee or officer of the Trust against liability to the Trust or to Shareholders to which he would otherwise be subject by reason of willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his office.

Section 3. Indemnification.

(a) Subject to the exceptions and limitations contained in subsection
(b) below:

(i) every person who is, or has been, a Trustee or an officer, employee or agent of the Trust (including any individual who serves at its request as director, officer, partner, employee, trustee, agent or the like of another organization in which it has any interest as a shareholder, creditor or otherwise) ("Covered Person") shall be indemnified by the Trust or the appropriate Series to the fullest extent permitted by law against liability and against all expenses reasonably incurred or paid by him in connection with any claim, action, suit or proceeding in which he becomes involved as a party or otherwise by virtue of his being or having been a Covered Person and against amounts paid or incurred by him in the settlement thereof; and

(ii) as used herein, the words "claim," "action," "suit," or "proceeding" shall apply to all claims, actions, suits or proceedings (civil, criminal, administrative, investigative or other, including appeals), actual or threatened, and the words "liability" and "expenses" shall include, without limitation, attorneys' fees, costs, judgments, amounts paid in settlement, fines, penalties and other liabilities.

(b) No indemnification shall be provided hereunder to a Covered Person:

(i) who shall have been adjudicated by a court or body before which the proceeding was brought (A) to be liable to the Trust or its Shareholders by reason of willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his office, or (B) not to have acted in good faith and in a manner the person reasonably believed to be in or not opposed to the best interests of the Trust; or

(ii) in the event of a settlement, unless there has been a determination that such Covered Person did not engage in willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his office; (A) by the court or other body approving the settlement; (B) by at least a majority of those Trustees who are neither Interested Persons of the Trust nor are parties to the matter based upon a review of readily available facts (as opposed to a full trial-type inquiry); (C) by written opinion

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of independent legal counsel based upon a review of readily available facts (as opposed to a full trial-type inquiry) or (D) by a vote of a majority of the Outstanding Shares entitled to vote (excluding any Outstanding Shares owned of record or beneficially by such individual).

(c) The rights of indemnification herein provided may be insured against by policies maintained by the Trust, shall be severable, shall not be exclusive of or affect any other rights to which any Covered Person may now or hereafter be entitled, and shall inure to the benefit of the heirs, executors and administrators of a Covered Person.

(d) To the maximum extent permitted by applicable law, expenses in connection with the preparation and presentation of a defense to any claim, action, suit or proceeding of the character described in subsection (a) of this
Section may be paid by the Trust or applicable Series from time to time prior to final disposition thereof upon receipt of an undertaking by or on behalf of such Covered Person that such amount will be paid over by him to the Trust or applicable Series if it is ultimately determined that he is not entitled to indemnification under this Section; provided, however, that either (i) such Covered Person shall have provided appropriate security for such undertaking,
(ii) the Trust is insured against losses arising out of any such advance payments or (iii) either a majority of a quorum of the Trustees who are neither Interested Persons of the Trust nor parties to the matter, or independent legal counsel in a written opinion, shall have determined, based upon a review of readily available facts (as opposed to a full trial-type inquiry) that there is reason to believe that such Covered Person will not be disqualified from indemnification under this Section. Independent counsel retained for the purpose of rendering an opinion regarding advancement of expenses and/or a majority of a quorum of the Trustees who are neither Interested Persons of the Trust nor parties to the matter, may proceed under a rebuttable presumption that the Covered Person has not engaged in willful misfeasance, bad faith, gross negligence or reckless disregard of the Covered Person's duties to the Trust and were based on the Covered Person's determination that those actions were in the best interests of the Trust and its Shareholders; provided that the Covered Person is not an Interested Person (or is an Interested Person solely by reason of being an officer of the Trust).

(e) Any repeal or modification of this Article IV by the Shareholders, or adoption or modification of any other provision of the Declaration or By-Laws inconsistent with this Article, shall be prospective only, to the extent that such repeal, or modification would, if applied retrospectively, adversely affect any limitation on the liability of any Covered Person or indemnification available to any Covered Person with respect to any act or omission which occurred prior to such repeal, modification or adoption. Any such repeal or modification by the Shareholders shall require a vote of at least two-thirds of the Outstanding Shares entitled to vote and present in person or by proxy at any meeting of the Shareholders.

Section 4. Indemnification of Shareholders. If any Shareholder or former Shareholder of any Series shall be held personally liable solely by reason of his being or having been a Shareholder and not because of his acts or omissions or for some other reason, the Shareholder or former Shareholder (or his heirs, executors, administrators or other legal representatives or in the case of any entity, its general successor) shall be entitled out of the assets belonging to the applicable Series to be held harmless from and indemnified against all loss and expense arising from such liability. The Trust, on behalf of the

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affected Series, shall, upon request by such Shareholder, assume the defense of any claim made against such Shareholder for any act or obligation of the Series and satisfy any judgment thereon from the assets of the Series.

Section 5. No Bond Required of Trustees. No Trustee shall be obligated to give any bond or other security for the performance of any of his duties hereunder.

Section 6. No Duty of Investigation; Notice in Trust Instruments, Etc. No purchaser, lender, transfer agent or other Person dealing with the Trustees or any officer, employee or agent of the Trust or a Series thereof shall be bound to make any inquiry concerning the validity of any transaction purporting to be made by the Trustees or by said officer, employee or agent or be liable for the application of money or property paid, loaned, or delivered to or on the order of the Trustees or of said officer, employee or agent. Every obligation, contract, instrument, certificate, Share, other security of the Trust or a Series thereof or undertaking, and every other act or thing whatsoever executed in connection with the Trust shall be conclusively presumed to have been executed or done by the executors thereof only in their capacity as Trustees under this Declaration or in their capacity as officers, employees or agents of the Trust or a Series thereof. Every written obligation, contract, instrument, certificate, Share, other security of the Trust or a Series thereof or undertaking made or issued by the Trustees may recite that the same is executed or made by them not individually, but as Trustees under the Declaration, and that the obligations of the Trust or a Series thereof under any such instrument are not binding upon any of the Trustees or Shareholders individually, but bind only the Trust Property or the Trust Property of the applicable Series, and may contain any further recital which they may deem appropriate, but the omission of such recital shall not operate to bind the Trustees individually. The Trustees may maintain insurance for the protection of the Trust Property or the Trust Property of the applicable Series, its Shareholders, Trustees, officers, employees and agents in such amount as the Trustees shall deem adequate to cover possible tort liability, and such other insurance as the Trustees in their sole judgment shall deem advisable.

Section 7. Reliance on Experts, Etc. Each Trustee, officer or employee of the Trust or a Series thereof shall, in the performance of his duties, powers and discretions hereunder be fully and completely justified and protected with regard to any act or any failure to act resulting from reliance in good faith upon the books of account or other records of the Trust or a Series thereof, upon an opinion of counsel, or upon reports made to the Trust or a Series thereof by any of its officers or employees or by the Investment Adviser, the Administrator, the Distributor, the Principal Underwriter, Transfer Agent, selected dealers, accountants, appraisers or other experts or consultants selected with reasonable care by the Trustees, officers or employees of the Trust, regardless of whether such counsel or expert may also be a Trustee.

ARTICLE V

SERIES; CLASSES; SHARES; OTHER SECURITIES

Section 1. Establishment of Series or Class. The Trust shall consist of one or more Series. Without limiting the authority of the Trustees to establish and designate any further Series or Classes, the Trustees hereby establish a single Series, designated Calamos Global Diversified Income and Opportunities Fund, and one Class of Shares, designated as the common shares. Each additional Series or Class shall be established and is effective upon the adoption of a resolution of a majority of the Trustees

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or any alternative date specified in such resolution. Such resolution may establish such additional Series or Classes directly in such resolution or by reference to, or approval of, another document that sets forth such Series or Classes, including any registration statement of the Trust, or as otherwise provided in such resolution. The Trustees may designate the relative rights and preferences of the Shares of each Series. The Trustees may divide the Shares of any Series into Classes. Any Shares of any further Series and Classes that may from time to time be established and designated by the Trustees shall be established and designated, and the variations in the relative rights and preferences as between the different Series shall be fixed and determined, by the Trustees; provided, that all Shares shall be identical except for such variations as shall be fixed and determined between different Series or Classes by the Trustees in establishing and designating such Class or Series. Unless otherwise designated by the Trustees in the By-Laws or resolutions establishing a Series or Class, the purchase price, the method of determining the net asset value, and the relative liquidation, voting, dividend and other rights and preferences of holders of each Series or Class shall be as set forth in the Trust's Registration Statement on Form N-2 under the Securities Act of 1933 and/or the 1940 Act relating to the issuance of Shares of such Series or Class.

All references to Shares in this Declaration shall be deemed to be Shares of any or all Series or Classes as the context may require. The Trust shall maintain separate and distinct records for each Series and hold and account for the assets thereof separately from the other assets of the Trust or of any other Series. A Series may issue any number of Shares or any Class thereof and need not issue Shares. Except as otherwise provided with respect to a specific Class, each Share of a Series shall represent an equal beneficial interest in the net assets of such Series. Each holder of Shares of a Series or a Class thereof shall be entitled to receive his pro rata share of all distributions made with respect to such Series or Class. Upon redemption of his Shares, such Shareholder shall be paid solely out of the funds and property of such Series. The Trustees may adopt and change the name of any Series or Class without Shareholder approval.

Section 2. Shares. The beneficial interest in the Trust shall be divided into transferable Shares of one or more separate and distinct Series or Classes established by the Trustees. The number of Shares of each Series and Class is unlimited and each Share shall have no par value per Share or such other amount as the Trustees may establish. All Shares issued hereunder shall be fully paid and nonassessable. Shareholders shall have no preemptive or other right to subscribe to any additional Shares or other securities issued by the Trust. The Trustees shall have full power and authority, in their sole discretion and without obtaining Shareholder approval, to issue original or additional Shares at such times and on such terms and conditions as they deem appropriate; to issue fractional Shares and Shares held in the treasury; to establish and to change in any manner Shares of any Series or Classes with such preferences, rights upon liquidation, redemption rights, terms of conversion, voting powers, and other rights and privileges as the Trustees may determine (but the Trustees may not change Outstanding Shares in a manner materially adverse to the Shareholders of such Shares); to divide or combine the Shares of any Series or Classes into a greater or lesser number; to classify or reclassify any unissued Shares of any Series or Classes into one or more Series or Classes of Shares; to abolish any one or more Series or Classes of Shares; to issue Shares to acquire other assets (including assets subject to, and in connection with, the assumption of liabilities) and businesses; and to take such other action with respect to the Shares as the Trustees may deem desirable. Shares held in the treasury shall not confer any voting rights on the Trustees and shall not be entitled to any dividends or other distributions declared with respect to the Shares.

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Section 3. Investment in the Trust. The Trustees shall accept investments in any Series or Class from such persons and on such terms as they may from time to time authorize. At the Trustees' discretion, such investments, subject to applicable law, may be in the form of cash or securities in which that Series is authorized to invest, valued as provided in Article VI, Section 3. Investments in a Series shall be credited to each Shareholder's account in the form of full Shares at the Net Asset Value per Share next determined after the investment is received or accepted as may be determined by the Trustees; provided, however, that the Trustees may, in their sole discretion, (a) impose a sales charge upon investments in any Series or Class, (b) issue fractional Shares, (c) determine the Net Asset Value per Share of the initial capital contribution or (d) authorize the issuance of Shares at a price other than Net Asset Value to the extent permitted by the 1940 Act or any rule, order or interpretation of the Commission thereunder. The Trustees shall have the right to refuse to accept investments in any Series at any time without any cause or reason therefor whatsoever.

Section 4. Assets and Liabilities of Series. All consideration received by the Trust for the issue or sale of Shares of a particular Series, together with all assets in which such consideration is invested or reinvested, all income, earnings, profits, and proceeds thereof (including any proceeds derived from the sale, exchange or liquidation of such assets, and any funds or payments derived from any reinvestment of such proceeds in whatever form the same may be), shall be held and accounted for separately from the assets of every other Series and are referred to as "assets belonging to" that Series. The assets belonging to a Series shall belong only to that Series for all purposes, and to no other Series, subject only to the rights of creditors of that Series. Any assets, income, earnings, profits, and proceeds thereof, funds, or payments which are not readily identifiable as belonging to any particular Series shall be allocated by the Trustees between and among one or more Series as the Trustees deem fair and equitable. Each such allocation shall be conclusive and binding upon the Shareholders of all Series for all purposes, and such assets, earnings, income, profits or funds, or payments and proceeds thereof shall be referred to as assets belonging to that Series. Separate and distinct records shall be maintained for each Series and the assets held with respect to each Series shall be held and accounted for separately from the assets held with respect to all other Series and from any assets, income, earnings, profits, and proceeds thereof, funds, or payments which are not readily identifiable as belonging to any particular Series that are not allocated to such Series by the Trustees in accordance with this Section 4. The assets belonging to a Series shall be so recorded upon the books of the Trust, and shall be held by the Trustees in trust for the benefit of the Shareholders of that Series. The assets belonging to a Series shall be charged with the liabilities of that Series and all expenses, costs, charges and reserves attributable to that Series, except that liabilities and expenses allocated solely to a particular Class shall be borne by that Class. Any general liabilities, expenses, costs, charges or reserves of the Trust which are not readily identifiable as belonging to any particular Series or Class shall be allocated and charged by the Trustees between or among any one or more of the Series or Classes in such manner as the Trustees deem fair and equitable. Each such allocation shall be conclusive and binding upon the Shareholders of all Series or Classes for all purposes.

Without limiting the foregoing, but subject to the right of the Trustees to allocate general liabilities, expenses, costs, charges or reserves as herein provided, (a) the debts, liabilities, obligations and expenses incurred, contracted for or otherwise existing with respect to a particular Series shall be enforceable against the assets of such Series only, and not against the assets of any other Series or against the assets of the Trust generally, and (b) none of the debts, liabilities, obligations and expenses incurred, contracted for or otherwise existing with respect to the Trust generally or any other Series thereof shall be

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enforceable against the assets of such Series. Notice of this contractual limitation on liabilities among Series shall be set forth in the certificate of trust of the Trust (whether originally or by amendment) as filed or to be filed in the Office of the Secretary of State of the State of Delaware pursuant to the Delaware Act, and upon the giving of such notice in the certificate of trust, the statutory provisions of Section 3804 of the Delaware Act relating to limitations on liabilities among Series (and the statutory effect under Section 3804 of setting forth such notice in the certificate of trust) shall become applicable to the Trust and each Series. Any person extending credit to, contracting with or having any claim against any Series may look only to the assets of that Series to satisfy or enforce any debt, with respect to that Series. No Shareholder or former Shareholder of any Series shall have a claim on or any right to any assets allocated or belonging to any other Series.

Section 5. Ownership and Transfer of Shares. The Trust or a transfer or similar agent for the Trust shall maintain a register containing the names and addresses of the Shareholders of each Series and Class thereof, the number of Shares of each Series and Class held by such Shareholders, and a record of all Share transfers. The register shall be conclusive as to the identity of Shareholders of record and the number of Shares held by them from time to time. The Trustees may authorize the issuance of certificates representing Shares and adopt rules governing their use. The Trustees may make rules governing the transfer of Shares, whether or not represented by certificates. Except as otherwise provided by the Trustees, Shares shall be transferable on the books of the Trust only by the record holder thereof or by his duly authorized agent upon delivery to the Trustees or the Trust's transfer agent of a duly executed instrument of transfer, together with a Share certificate if one is outstanding, and such evidence or the genuineness of each such execution and authorization and of such other matters as may be required by the Trustees. Upon such delivery, and subject to any further requirements specified by the Trustees or contained in the By-Laws, the transfer shall be recorded on the books of the Trust. Until a transfer is so recorded, the Shareholder of record of Shares shall be deemed to be the holder of such Shares for all purposes hereunder and neither the Trustees nor the Trust, nor any transfer agent or registrar or any officer, employee or agent of the Trust, shall be affected by any notice of a proposed transfer.

Section 6. Status of Shares; Limitation of Shareholder Liability. Shares shall be deemed to be personal property giving Shareholders only the rights provided in this Declaration. Every Shareholder, by virtue of having acquired a Share, shall be held expressly to have assented to and agreed to be bound by the terms of this Declaration and to have become a party hereto. No Shareholder shall be personally liable for the debts, liabilities, obligations and expenses incurred by, contracted for, or otherwise existing with respect to, the Trust or any Series. The death, incapacity, dissolution, termination or bankruptcy of a Shareholder during the existence of the Trust shall not operate to terminate the Trust, nor entitle the representative of any such Shareholder to an accounting or to take any action in court or elsewhere against the Trust or the Trustees, but entitles such representative only to the rights of such Shareholder under this Trust. Ownership of Shares shall not entitle the Shareholder to any title in or to the whole or any part of the Trust Property or right to call for a partition or division of the same or for an accounting, nor shall the ownership of Shares constitute the Shareholders as partners. Neither the Trust nor the Trustees shall have any power to bind any Shareholder personally or to demand payment from any Shareholder for anything, other than as agreed by the Shareholder. Shareholders shall have the same limitation of personal liability as is extended to shareholders of a private corporation for profit incorporated in the State of Delaware. Every written obligation of the Trust or any Series shall contain a statement to the effect that such obligation may only be enforced against the assets of the appropriate

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Series or all Series; however, the omission of such statement shall not operate to bind or create personal liability for any Shareholder or Trustee.

Section 7. Other Securities. The Trustees may authorize and issue such other securities of the Trust other than Shares as they determine to be necessary, desirable or appropriate, having such terms, rights, preferences, privileges, limitations and restrictions as the Trustees see fit, including preferred interests, debt securities or other senior securities. To the extent that the Trustees authorized and issue preferred shares of any Class or Series, they are hereby authorized and empowered to amend or supplement this Declaration as they deem necessary or appropriate, including to comply with the requirements of the 1940 Act or requirements imposed by the rating agencies or other Persons, all without the approval of Shareholders. Any such supplement or amendment shall be filed as is necessary. The Trustees are also authorized to take such actions and retain such persons as they see fit to offer and sell such securities.

ARTICLE VI

DISTRIBUTIONS AND REDEMPTIONS

Section 1. Distributions. The Trustees or a committee of one or more Trustees may declare and pay dividends and other distributions, including dividends on Shares of a particular Series and other distributions from the assets belonging to that Series. No dividend or distribution, including, without limitation, any distribution paid upon termination of the Trust or of any Series (or Class) with respect to, nor any redemption or repurchase of, the Shares of any Series (or Class) shall be effected by the Trust other than from the assets held with respect to such Series, nor shall any Shareholder of any particular Series otherwise have any right or claim against the assets held with respect to any other Series except to the extent that such Shareholder has such a right or claim hereunder as a Shareholder of such other Series. The Trustees shall have full discretion to determine which items shall be treated as income and which items as capital; and each such determination and allocation shall be conclusive and binding upon the Shareholders. The amount and payment of dividends or distributions and their form, whether they are in cash, Shares or other Trust Property, shall be determined by the Trustees. Dividends and other distributions may be paid pursuant to a standing resolution adopted once or more often as the Trustees determine. Except as provided with respect to a particular Class in the By-Laws or the resolutions establishing such Class, all dividends and other distributions on Shares of a particular Series shall be distributed pro rata to the Shareholders of that Series in proportion to the number of Shares of that Series they held on the record date established for such payment. The Trustees may adopt and offer to Shareholders such dividend reinvestment plans, cash dividend payout plans or similar plans as the Trustees deem appropriate.

Section 2. Redemptions. Except as provided with respect to a particular Class in the By-Laws or the resolutions establishing such Class, Shares of the Trust will not be redeemed or repurchased by the Trust, except as the Trustees shall determine from time to time and the Trust shall be under no obligation to redeem or repurchase Shares. The Trustees may specify conditions, prices, and places of redemption, may specify binding requirements for the proper form or forms of requests for redemption and may specify the amount of any redemption fee to be withheld from redemption proceeds. Payment of the redemption price may be wholly or partly in securities or other assets at the value of such securities or

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assets used in such determination of Net Asset Value, or may be in cash. Upon redemption, Shares may be reissued from time to time. The Trustees may require Shareholders to redeem Shares for any reason under terms set by the Trustees, including, but not limited to, the failure of a Shareholder to supply a taxpayer identification number if required to do so, or to have the minimum investment required, or to pay when due for the purchase of Shares issued to him. To the extent permitted by law, the Trustees may retain the proceeds of any redemption of Shares required by them for payment of amounts due and owing by a Shareholder to the Trust or any Series or Class or any governmental authority. Notwithstanding the foregoing, the Trustees may postpone payment of the redemption price and may suspend the right of the Shareholders to require any Series or Class to redeem Shares during any period of time when and to the extent permissible under the 1940 Act.

Section 3. Determination of Net Asset Value. The Trustees shall cause the Net Asset Value of Shares of each Series or Class to be determined from time to time in a manner consistent with applicable laws and regulations. The Trustees may delegate the power and duty to determine Net Asset Value per Share to one or more Trustees or officers of the Trust or to a custodian, depository or other agent appointed for such purpose. The Net Asset Value of Shares shall be determined separately for each Series or Class at such times as may be prescribed by the Trustees or, in the absence of action by the Trustees, as of the close of trading on the New York Stock Exchange on the last day of each week.

Section 4. Suspension of Right of Redemption. If, as referred to in Section 2 of this Article, the Trustees postpone payment of the redemption price and suspend the right of Shareholders to redeem their Shares, such suspension shall take effect at the time the Trustees shall specify, but not later than the close of business on the business day next following the declaration of suspension. Thereafter Shareholders shall have no right of redemption or payment until the Trustees declare the end of the suspension. If the right of redemption is suspended, a Shareholder may withdraw his request for redemption.

ARTICLE VII

SHAREHOLDERS' VOTING POWERS AND MEETINGS

Section 1. Voting Powers. Subject to the voting rights established with respect to a particular Class in the By-Laws or the resolutions establishing such Class, the Shareholders shall have power to vote only with respect to (a) the election of Trustees as provided in Section 2 of this Article; (b) the removal of Trustees as provided in Article II, Section 5(a); (c) any investment advisory or management contract to the extent required by the 1940 Act; (d) the amendment of this Declaration to the extent and as provided in Article X,
Section 10; (e) the conversion of the Trust to an open-end investment company to the extent provided in Article IX, Section 5; (f) the reorganization of the Trust to the extent provided in Article IX, Section 6; (g) to approve a transaction subject to Article IX, Section 7, and (h) such additional matters relating to the Trust as may be required by the 1940 Act or any registration of the Trust with the Commission or any State, or as the Trustees may consider desirable.

On any matter submitted to a vote of the Shareholders, all Shares shall be voted by individual Series or Class, except (a) as provided with respect to a particular Class in the By-Laws or the resolutions establishing such Class, (b) when required by the 1940 Act, Shares shall be voted in the aggregate and not by individual Series or Class, and (c) when the Trustees have determined that the matter affects the

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interests of more than one Series or Class, then the Shareholders of all such Series or Classes shall be entitled to vote thereon. As determined by the Trustees without the vote or consent of shareholders and except as provided with respect to a particular Class in the By-Laws or the resolutions establishing such Class, on any matter submitted to a vote of Shareholders either (i) each whole Share shall be entitled to one vote as to any matter on which it is entitled to vote and each fractional Share shall be entitled to a proportionate fractional vote or (ii) each dollar of net asset value (number of Shares owned times net asset value per share of such Series or Class, as applicable) shall be entitled to one vote on any matter on which such Shares are entitled to vote and each fractional dollar amount shall be entitled to a proportionate fractional vote. Without limiting the power of the Trustees in any way to designate otherwise in accordance with the preceding sentence, the Trustees hereby establish that each whole Share shall be entitled to one vote as to any matter on which it is entitled to vote and each fractional Share shall be entitled to a proportionate fractional vote. There shall be no cumulative voting in the election of Trustees. Shares may be voted in person or by proxy or in any manner provided for in the By-Laws. The By-Laws may provide that proxies may be given by any electronic or telecommunications device or in any other manner, but if a proposal by anyone other than the officers or Trustees is submitted to a vote of the Shareholders of any Series or Class, or if there is a proxy contest or proxy solicitation or proposal in opposition to any proposal by the officers or Trustees, Shares may be voted only in person or by written proxy. Until Shares of a Series are issued, as to that Series the Trustees may exercise all rights of Shareholders and may take any action required or permitted to be taken by Shareholders by law, this Declaration or the By-Laws. Meetings of Shareholders shall be called and notice thereof and record dates therefor shall be given and set as provided in the By-Laws.

Section 2. Quorum; Required Vote. One-third of the Outstanding Shares of each Series or Class, or one-third of the Outstanding Shares of the Trust, entitled to vote in person or by proxy shall be a quorum for the transaction of business at a Shareholders' meeting with respect to such Series or Class, or with respect to the entire Trust, respectively. Any lesser number shall be sufficient for adjournments. Any adjourned session of a Shareholders' meeting may be held within a reasonable time without further notice. Except when a larger vote is required by the 1940 Act, this Declaration or the By-Laws, a majority of the Shares voting at a Shareholders' meeting in person or by proxy shall decide any matters to be voted upon with respect to the entire Trust and a plurality of such Shares shall elect a Trustee; provided, that if this Declaration or applicable law permits or requires that Shares be voted on any matter by individual Series or Classes, then a majority of the Shares of that Series or Class (or, if required by law, a majority of the Shares outstanding and entitled to vote of that Series or Class) voting at a Shareholders' meeting in person or by proxy on the matter shall decide that matter insofar as that Series or Class is concerned.

Section 3. Record Dates. For the purpose of determining the Shareholders of any Series (or Class) who are entitled to receive payment of any dividend or of any other distribution, the Trustees may from time to time fix a date, which shall be before the date for the payment of such dividend or such other payment, as the record date for determining the Shareholders of such Series (or Class) having the right to receive such dividend or distribution. Without fixing a record date, the Trustees may for distribution purposes close the register or transfer books for one or more Series (or Classes) any time prior to the payment of a distribution. Nothing in this Section shall be construed as precluding the Trustees from setting different record dates for different Series (or Classes).

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Section 4. Additional Provisions. The By-Laws may include further provisions for Shareholders' votes and meetings and related matters.

ARTICLE VIII

EXPENSES OF THE TRUST AND SERIES

Section 1. Payment of Expenses by the Trust. Subject to Article V, Section 4, the Trust or a particular Series shall pay, or shall reimburse the Trustees from the assets belonging to all Series or the particular Series, for their expenses (or the expenses of a Class of such Series) and disbursements, including, but not limited to, interest charges, taxes, brokerage fees and commissions; expenses of issue, repurchase and redemption of Shares; insurance premiums; applicable fees, interest charges and expenses of third parties, including the Trust's investment advisers, managers, administrators, distributors, custodians, transfer agents and fund accountants; fees of pricing, interest, dividend, credit and other reporting services; costs of membership in trade associations; telecommunications expenses; funds transmission expenses; auditing, legal and compliance expenses; costs of forming the Trust and its Series and maintaining its existence; costs of preparing and printing the prospectuses of the Trust and each Series, statements of additional information and Shareholder reports and delivering them to Shareholders; expenses of meetings of Shareholders and proxy solicitations therefor; costs of maintaining books and accounts; costs of reproduction, stationery and supplies; fees and expenses of the Trustees; compensation of the Trust's officers and employees and costs of other personnel performing services for the Trust or any Series; costs of Trustee meetings; Commission registration fees and related expenses; state or foreign securities laws registration fees and related expenses; and for such non-recurring items as may arise, including litigation to which the Trust or a Series (or a Trustee or officer of the Trust acting as such) is a party, and for all losses and liabilities by them incurred in administering the Trust. The Trustees shall have a lien on the assets belonging to the appropriate Series, or in the case of an expense allocable to more than one Series, on the assets of each such Series, prior to any rights or interests of the Shareholders thereto, for the reimbursement to them of such expenses, disbursements, losses and liabilities.

Section 2. Payment of Expenses by Shareholders. The Trustees shall have the power, as frequently as they may determine, to cause each Shareholder, or each Shareholder of any particular Series, to pay directly, in advance or arrears, for charges of the Trust's custodian or transfer, shareholder servicing or similar agent, an amount fixed from time to time by the Trustees, by setting off such charges due from such Shareholder from declared but unpaid dividends owed such Shareholder and/or by reducing the number of Shares in the account of such Shareholder by that number of full and/or fractional Shares which represents the outstanding amount of such charges due from such Shareholder.

ARTICLE IX

MISCELLANEOUS

Section 1. Trust Not a Partnership. This Declaration creates a trust and not a partnership. No Trustee shall have any power to bind personally either the Trust's officers or any Shareholder.

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Section 2. Trustee Action. The exercise by the Trustees of their powers and discretion hereunder in good faith and with reasonable care under the circumstances then prevailing shall be binding upon everyone interested. Subject to the provisions of Article IV, the Trustees shall not be liable for errors of judgment or mistakes of fact or law.

Section 3. Record Dates. The Trustees may fix in advance a date up to ninety (90) days before the date of any Shareholders' meeting, or the date for the payment of any dividends or other distributions, or the date for the allotment of rights, or the date when any change or conversion or exchange of Shares shall go into effect as a record date for the determination of the Shareholders entitled to notice of, and to vote at, any such meeting, or entitled to receive payment of such dividend or other distribution, or to receive any such allotment of rights, or to exercise such rights in respect of any such change, conversion or exchange of Shares.

Section 4. Termination of the Trust.

(a) This Trust shall have perpetual existence subject to the provisions of this Section 4.

(b) The Trust or any Series or Class thereof may be dissolved and terminated by the affirmative vote of not less than three-quarters of the Trustees then in office by written notice to the Shareholders.

(c) In connection with subsection (b) or to the extent appropriate in connection with a reorganization as provided in Article IX, Section 6, upon making reasonable provision for the payment of all known liabilities of all Series or any affected Series or Classes, by such assumption or otherwise, the Trustees shall distribute the remaining proceeds or assets (as the case may be) ratably among the Shareholders of all Series or any affected Series or Classes; however, the payment to any particular Class of such Series may be reduced by any fees, expenses or charges allocated to that Class.

(d) Upon completion of the distribution of the remaining proceeds or assets pursuant to subsection (c) above, the Trust or affected Series or Classes shall terminate and the Trustees and the Trust shall be discharged of any and all further liabilities and duties hereunder with respect thereto and the right, title and interest of all parties therein shall be canceled and discharged. Upon termination of the Trust, following completion of winding up of its business, the Trustees shall cause a certificate of cancellation of the Trust's certificate of trust to be filed in accordance with the Delaware Act, which certificate of cancellation may be signed by any one Trustee.

Section 5. Conversion to an Open-End Investment Company. Notwithstanding any other provisions of this Declaration or the By-Laws of the Trust, a favorable vote of a majority of the Trustees then in office followed by the favorable vote of the holders of not less than three-quarters of the Shares of each affected class or series outstanding, voting as separate classes or series, shall be required to approve, adopt or authorize an amendment to this Declaration that makes the Shares a "redeemable security" as that term is defined in the 1940 Act, unless such amendment has been approved by three-quarters of the Trustees, in which case approval by a vote of a majority of the Shares outstanding and entitled to vote shall be required. Upon the adoption of a proposal to convert the Trust from a "closed-end company" to

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an "open-end company" as those terms are defined by the 1940 Act and the necessary amendments to this Declaration to permit such a conversion of the Trust's outstanding Shares entitled to vote, the Trust shall, upon complying with any requirements of the 1940 Act and state law, become an "open-end" investment company. Such affirmative vote or consent shall be in addition to the vote or consent of the holders of the Shares otherwise required by law, or any agreement between the Trust and any national securities exchange.

Section 6. Reorganization.

(a) Except as provided in clause (b) of this Section 6 or in Section 7 of this Article IX, subject to the affirmative vote of not less than three-quarters of the Outstanding Shares and entitled to vote of the Trust or any affected Series, the Trust may merge or consolidate with any other corporation, association, trust or other organization or may sell, lease or exchange all or substantially all of the Trust Property or the property, including its good will, upon such terms and conditions and for such consideration when and as authorized by a majority of the Trustees; provided however, if at least three-quarters of the Trustees then in office have approved such transaction, then the actions may be approved by the affirmative vote of a majority of the Outstanding Shares entitled to vote of the Trust or the affected Series.

(b) Notwithstanding anything else herein, to change the Trust's form or place of organization the Trustees may, without Shareholder approval unless such approval is required by applicable law, (i) cause the Trust to merge or consolidate with or into one or more entities, if the surviving or resulting entity is the Trust or any other corporation, association, trust or other organization, or a series thereof, (ii) cause the Shares to be exchanged under or pursuant to any state or federal statute to the extent permitted by law, or
(iii) cause the Trust to incorporate under the laws of Delaware or any other U.S. jurisdiction. Any agreement of merger or consolidation or certificate of merger may be signed by a majority of Trustees and facsimile signatures conveyed by electronic or telecommunication means shall be valid.

(c) Pursuant to and in accordance with the provisions of Section 3815(f) of the Delaware Act, an agreement of merger or consolidation approved by the Trustees, and if applicable, Shareholders in accordance with this Section 6 may effect any amendment to the Declaration or effect the adoption of a new trust instrument of the Trust if it is the surviving or resulting trust in the merger or consolidation.

(d) The Trustees may create one or more statutory trusts to which all or any part of the assets, liabilities, profits or losses of the Trust or any Series or Class thereof may be transferred and may provide for the conversion of Shares in the Trust or any Series or Class thereof into beneficial interests in any such newly created trust or trusts or any series or classes thereof.

Section 7. Certain Transactions.

(a) Notwithstanding any other provision of this Declaration and subject to the exceptions provided in paragraph (d) of this Section, the types of transactions described in paragraph (c) of this Section shall require the affirmative vote or consent of a majority of the Trustees then in office

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followed by the affirmative vote or consent of holders of not less than three-quarters of the Shares of each affected class or series outstanding, votes voting as separate classes or series, when a Principal Shareholder (as defined in paragraph (b) of this Section) is a party to the transaction. Such affirmative vote or consent shall be in addition to the vote or consent of the holders of Shares otherwise required by law or by the terms of any class or series of preferred stock, whether now or hereafter authorized, or any agreement between the Trust and any national securities exchange.

(b) The term "Principal Shareholder" shall mean any corporation, Person or other entity which is the beneficial owner, directly or indirectly, of five percent (5%) or more of the outstanding Shares of any class or series and shall include any affiliate or associates, as such terms are defined in clause
(ii) below, of a Principal Shareholder. For the purpose of this Section, in addition to the Shares which a corporation, Person or other entity beneficially owns directly, (a) any corporation, Person or other entity shall be deemed to be the beneficial owner of any Shares (i) which it has the right to acquire pursuant to any agreement or upon exercise of conversion rights or warrants, or otherwise (but excluding share options granted by the Trust) or (ii) which are beneficially owned, directly or indirectly (including Shares deemed owned through application of clause (i) above, by any other corporation, Person or entity with which its "affiliate" or "associate" (as defined below) has any agreement, arrangement or understanding for the purpose of acquiring, holding, voting or disposing of Shares, of which is its "affiliate" or "associate" as those terms are defined in Rule 12b-2 of the General Rules and Regulations under the Securities Exchange Act of 1934, and (b) the outstanding Shares shall include Shares deemed owned through application of clauses (i) and (ii) above but shall not include any other Shares which may be issuable pursuant to any agreement, or upon exercise of conversion rights or warrants, or otherwise.

(c) This Section shall apply to the following transactions:

(i) The merger or consolidation of the Trust or any subsidiary of the Trust with or into any Principal Shareholder.

(ii) The issuance of any securities of the Trust to any Principal Shareholder for such (other than pursuant to any automatic dividend reinvestment plan).

(iii) The sale, lease or exchange to the Trust or any subsidiary thereof, in exchange for securities of the Trust, of any assets of any Principal Shareholder (except assets having an aggregate fair market value of less than $1,000,000, aggregating for the purpose of such computation all assets sold, leased or exchanged in any series of similar transactions within a twelve-month period.)

(iv) The sale, lease or exchange to the Trust or any subsidiary thereof, in exchange for securities of the Trust, of any assets of any Principal Shareholder (except assets having an aggregate fair market value of less than $1,000,000, aggregating for the purposes of such computation all assets sold, leased or exchanged in any series of similar transactions within a twelve-month period).

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(d) The provisions of this Section shall not be applicable to (i) any of the transactions described in paragraph (c) of this Section if three-quarters of the Trustees shall by resolution have approved a memorandum of understanding with such Principal Shareholder with respect to and substantially consistent with such transaction, in which case approval by the vote of a majority of the Shares outstanding and entitled to vote shall be the only vote of Shareholders required by this Section, or (ii) any such transaction with any entity of which a majority of the outstanding shares of all classes and series of a stock normally entitled to vote in elections of directors is owner of record or beneficially by the Trust and its subsidiaries.

(e) The Board of Trustees shall have the power and duty to determine for the purposes of this Section on the basis of information known to the Trust whether (i) a corporation, person or entity beneficially owns five percent (5%) or more of the outstanding Shares of any class or series, (ii) a corporation, person or entity is an "affiliate" or "associate" (as defined above) of another,
(iii) the assets being acquired or leased to or by the Trust or any subsidiary thereof constitute a substantial part of the assets of the Trust and have an aggregate fair market value of less than $1,000,000, and (iv) the memorandum of understanding referred to in paragraph (d) hereof is substantially consistent with the transaction covered thereby. Any such determination shall be conclusive and binding for all purposes of this Section.

Section 8. Declaration of Trust. The original or a copy of this Declaration of Trust and of each amendment hereto or Declaration of Trust supplemental shall be kept at the office of the Trust where it may be inspected by any Shareholder. Anyone dealing with the Trust may rely on a certificate by a Trustee or an officer of the Trust as to the authenticity of the Declaration of Trust or any such amendments or supplements and as to any matters in connection with the Trust. The masculine gender herein shall include the feminine and neuter genders. Headings herein are for convenience only and shall not affect the construction of this Declaration of Trust. This Declaration of Trust may be executed in any number of counterparts, each of which shall be deemed an original.

Section 9. Applicable Law. This Declaration and the Trust created hereunder are governed by and construed and administered according to the Delaware Act and the applicable laws of the State of Delaware; provided, however, that there shall not be applicable to the Trust, the Trustees or this Declaration of Trust
(a) the provisions of Section 3540 of Title 12 of the Delaware Code, or (b) any provisions of the laws (statutory or common) of the State of Delaware (other than the Delaware Act) pertaining to trusts which relate to or regulate (i) the filing with any court or governmental body or agency of trustee accounts or schedules of trustee fees and charges, (ii) affirmative requirements to post bonds for trustees, officers, agents or employees of a trust, (iii) the necessity for obtaining court or other governmental approval concerning the acquisition, holding or disposition of real or personal property, (iv) fees or other sums payable to trustees, officers, agents or employees of a trust, (v) the allocation of receipts and expenditures to income or principal, (vi) restrictions or limitations on the permissible nature, amount or concentration of trust investments or requirements relating to the titling, storage or other manner of holding of trust assets, or (vii) the establishment of fiduciary or other standards of responsibilities or limitations on the acts or powers of trustees, which are inconsistent with the limitations or liabilities or authorities and powers of the Trustees set forth or referenced in this Declaration. The Trust shall be of the type commonly called a Delaware statutory trust, and, without limiting the provisions hereof, the Trust may exercise all powers which are ordinarily exercised by such a trust under Delaware

26

law. The Trust specifically reserves the right to exercise any of the powers or privileges afforded to trusts or actions that may be engaged in by trusts under the Delaware Act, and the absence of a specific reference herein to any such power, privilege or action shall not imply that the Trust may not exercise such power or privilege or take such actions.

Section 10. Amendments.

(a) The Trustees may, without any Shareholder vote, amend or otherwise supplement this Declaration by making an amendment, a Declaration of Trust supplemental hereto or an amended and restated trust instrument; provided, that Shareholders shall have the right to vote on any amendment (a) which would affect the voting rights of Shareholders granted in Article VII, Section l, (b) to this Section 10, (c) required to be approved by Shareholders by the 1940 Act or by the Trust's registration statement(s) filed with the Commission or any State, and (d) submitted to them by the Trustees in their discretion. Any amendment submitted to Shareholders which the Trustees determine would affect the Shareholders of any Series shall be authorized by vote of the Shareholders of such Series and no vote shall be required of Shareholders of a Series not affected. Notwithstanding anything else herein, any amendment to Article IV which would have the effect of reducing the indemnification and other rights provided thereby to Trustees, officers, employees, and agents of the Trust or to Shareholders or former Shareholders, and any repeal or amendment of this sentence shall each require the affirmative vote of the holders of two-thirds of the Outstanding Shares of the Trust entitled to vote thereon and no such amendment shall effect the right to indemnification of any person who is no longer a Trustee, Officer or employee or agent at the time of such amendment or of any person with respect to any act or omission taken or omitted prior to the adoption or enactment of such amendment or repeal.

(b) The Trustees may not amend this Declaration of Trust to eliminate the rights of Shareholders of any Class or Series as set forth in this Section 10(b) to vote on any amendment of this Declaration of Trust or the By-Laws or alter or amend the percentage of voting Shares required to approve any amendment or action which requires a specific Shareholder vote under this Declaration of Trust or the By-Laws unless an equivalent vote has authorized such an amendment of the Declaration of Trust or By-Laws. Any amendment which adversely affects the holders of one or more Classes or Series of Shares shall require a vote of the Shareholders holding a majority of the Shares of each Class or Series so adversely affected and entitled to vote thereon and no vote of Shareholders of any Class or Series not so adversely affected shall be required, except that any amendment of any provision of Article IX, Sections 5, 6 or 7 shall require the vote of the Shareholders holding three-quarters of the Shares of each Class and Series entitled to vote thereon, regardless of the percentage of Trustees recommending such amendment.

Section 11. Derivative Actions. In addition to the requirements set forth in Section 3816 of the Delaware Act, a Shareholder may bring a derivative action on behalf of the Trust only if the following conditions are met:

27

(a) The Shareholder or Shareholders must make a pre-suit demand upon the Trustees to bring the subject action unless an effort to cause the Trustees to bring such an action is not likely to succeed. For purposes of this Section
11(a), a demand on the Trustees shall only be deemed not likely to succeed and therefore excused if a majority of the Board of Trustees, or a majority of any committee established to consider the merits of such action, is composed of Trustees who are not "independent trustees" (as that term is defined in the Delaware Act).

(b) Unless a demand is not required under paragraph (a) of this
Section 11, Shareholders eligible to bring such derivative action under the Delaware Act who hold at least 10% of the Outstanding Shares of the Trust, or 10% of the Outstanding Shares of the Series or Class to which such action relates, shall join in the request for the Trustees to commence such action; and

(c) Unless a demand is not required under paragraph (a) of this
Section 11, the Trustees must be afforded a reasonable amount of time to consider such shareholder request and to investigate the basis of such claim. The Trustees shall be entitled to retain counsel or other advisers in considering the merits of the request and shall require an undertaking by the Shareholders making such request to reimburse the Trust for the expense of any such advisers in the event that the Trustees determine not to bring such action.

For purposes of this Section 11, the Board of Trustees may designate a committee of one Trustee to consider a Shareholder demand if necessary to create a committee with a majority of Trustees who are independent trustees.

Section 12. Fiscal Year. The fiscal year of the Trust shall end on a specified date as set forth in the By-Laws. The Trustees may change the fiscal year of the Trust without Shareholder approval.

Section 13. Severability. The provisions of this Declaration are severable. If the Trustees determine, with the advice of counsel, that any provision hereof conflicts with the 1940 Act, the regulated investment company provisions of the Internal Revenue Code or with other applicable laws and regulations, the conflicting provision shall be deemed never to have constituted a part of this Declaration; provided, however, that such determination shall not affect any of the remaining provisions of this Declaration or render invalid or improper any action taken or omitted prior to such determination. If any provision hereof shall be held invalid or unenforceable in any jurisdiction, such invalidity or unenforceability shall attach only to such provision only in such jurisdiction and shall not affect any other provision of this Declaration.

(REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.)

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IN WITNESS WHEREOF, the undersigned being all the Trustees of the Trust have executed this instrument as Trustee and not individually and as of the date first written above.

/s/ John P. Calamos
----------------------------------------
John P. Calamos


/s/ Stephen B. Timbers
----------------------------------------
Stephen B. Timbers


/s/ Joe F. Hanauer
----------------------------------------
Joe F. Hanauer


/s/ Weston W. Marsh
----------------------------------------
Weston W. Marsh


/s/ John E. Neal
----------------------------------------
John E. Neal


/s/ William R. Rybak
----------------------------------------
William R. Rybak


/s/ David D. Tripple
----------------------------------------
David D. Tripple


CALAMOS GLOBAL DIVERSIFIED INCOME AND OPPORTUNITIES FUND

AMENDMENT NO. 1 TO

THE AGREEMENT AND DECLARATION OF TRUST

AMENDMENT NO. 1 to the Agreement and Declaration of Trust, dated as of March 30, 2007, as amended (the "Declaration of Trust") of Calamos Global Diversified Income and Opportunities Fund (the "Trust"), made as of the 16th day of May, 2007.

WITNESSETH:

WHEREAS, Article IX, Section 10 of the Declaration of Trust provides that the Declaration of Trust may be amended at any time, so long as such amendment does not adversely affect the rights of any shareholder and so long as such amendment is not in contravention of applicable law, including the Investment Company Act of 1940, as amended, by an instrument in writing signed by an officer of the Trust pursuant to a vote of a majority of the Trustees; and

WHEREAS, Article I, Section 1 of the Declaration of Trust shall be amended to update the Trust's name; and

WHEREAS, the Trustees have previously established and designated the name of the Trust to be Calamos Global Diversified Income and Opportunities Fund; and

WHEREAS, on May 16, 2007, the Trustees voted unanimously to change the name of the Trust designated Calamos Global Diversified Income and Opportunities Fund to Calamos Global Dynamic Income Fund and to authorize the Secretary to execute and file this Amendment No. 1 to the Declaration of Trust (the "Amendment") with the Trust's records; and

NOW, THEREFORE, effective May 16, 2007, the Declaration of Trust is hereby amended as follows:

I. Article I, Section 1 of the Declaration of Trust is hereby amended to read in pertinent part as follows:

"Section 1. Name. The name of the Trust created by this Agreement and Declaration of Trust is "Calamos Global Dynamic Income Fund" and the Trustees shall conduct the business of the Trust under that name or any other name or names as they may from time to time determine."

The undersigned hereby certifies that Amendment No. 1 to the Agreement and Declaration of Trust set forth above has been duly adopted in accordance with the provisions of the Declaration of Trust.

IN WITNESS WHEREOF, the undersigned has hereto set his hand as of the day and year first above written.

By: /s/ James S. Hamman, Jr.
    ------------------------------------
Name: James S. Hamman, Jr.
Title: Secretary


Exhibit a.2

CERTIFICATE OF TRUST

OF

CALAMOS GLOBAL DIVERSIFIED INCOME AND OPPORTUNITIES FUND

The undersigned, constituting all of the members of the Board of Trustees of the Calamos Global Diversified Income and Opportunities Fund (the "Trust"), in order to form a Delaware statutory trust pursuant to Section 3810 of the Delaware Statutory Trust Act, hereby certifies the following:

1. The name of the Delaware statutory trust is Calamos Global Diversified Income and Opportunities Fund.

2. Prior to the issuance of beneficial interests, the Trust will become a registered investment company under the Investment Company Act of 1940, as amended.

3. Notice is hereby given that pursuant to Section 3804 of the Delaware Statutory Trust Act, the debts, liabilities, obligations and expenses incurred, contracted for or otherwise existing with respect to a particular series of the Trust shall be enforceable against the assets of such series only and not against the assets of the Trust generally or any other series thereof, and, unless otherwise provided in the governing instrument of the Trust, none of the debts, liabilities, obligations and expenses incurred, contracted for or otherwise existing with respect to the Trust generally or any other series thereof shall be enforceable against the assets of such series.

4. The registered office of the Trust in Delaware is c/o The Corporation Trust Company, 1209 Orange Street, Wilmington, Delaware 19801.

5. The registered agent for service of process on the Trust is The Corporation Trust Company, 1209 Orange Street, Wilmington, Delaware 19801.

6. This Certificate of Trust shall be effective on the date it is filed with the Office of the Delaware Secretary of State.

IN WITNESS WHEREOF, the undersigned Trustee of the Trust has executed this Certificate as of the 30th day of March, 2007.

/s/ John P. Calamos                     /s/ Weston W. Marsh
-------------------------------------   ----------------------------------------
John P. Calamos                         Weston W. Marsh
Trustee                                 Trustee


/s/ Stephen B. Timbers                  /s/ John E. Neal
-------------------------------------   ----------------------------------------
Stephen B. Timbers                      John E. Neal
Trustee                                 Trustee


/s/ Joe F. Hanauer                      /s/ William R. Rybak
-------------------------------------   ----------------------------------------
Joe F. Hanauer                          William R. Rybak
Trustee                                 Trustee


/s/ David D. Tripple
-------------------------------------
David D. Tripple
Trustee


CERTIFICATE OF AMENDMENT
TO
CERTIFICATE OF TRUST
OF
CALAMOS GLOBAL DIVERSIFIED INCOME AND OPPORTUNITIES FUND

Pursuant to Title 12, Section 3810(b) of the Delaware Statutory Trust Act, the undersigned, constituting all of the members of the Board of Trustees of the Calamos Global Diversified Income and Opportunities Fund (the "Trust"), hereby certifies the following:

1. The name of the Delaware statutory trust is Calamos Global Diversified Income and Opportunities Fund.

2. That a Certificate of Trust was filed by the Secretary of State of Delaware on April 10, 2007, and that said Certificate requires an amendment as permitted by Title 12, Section 3810(b) of the Delaware Statutory Trust Act.

3. The name of the Trust as set forth in Paragraph 1 of the Certificate of Trust is hereby amended as follows:

Calamos Global Dynamic Income Fund

4. This Certificate of Amendment shall be effective on the date it is filed with the Office of the Delaware Secretary of State.

IN WITNESS WHEREOF, the undersigned Trustees of the Trust have executed this Certificate of Amendment as of the 16th day of May, 2007.

/s/ John P. Calamos                     /s/ Weston W. Marsh
-------------------------------------   ----------------------------------------
John P. Calamos                         Weston W. Marsh
Trustee                                 Trustee


/s/ Stephen B. Timbers                  /s/ John E. Neal
-------------------------------------   ----------------------------------------
Stephen B. Timbers                      John E. Neal
Trustee                                 Trustee


/s/ Joe F. Hanauer                      /s/ William R. Rybak
-------------------------------------   ----------------------------------------
Joe F. Hanauer                          William R. Rybak
Trustee                                 Trustee


/s/ David D. Tripple
-------------------------------------
David D. Tripple
Trustee


Exhibit d

CALAMOS GLOBAL DYNAMIC INCOME FUND
A STATUTORY TRUST (THE "TRUST")
ORGANIZED UNDER THE LAWS OF THE STATE OF DELAWARE

FORM OF SPECIMEN COMMON SHARES CERTIFICATE

NUMBER                                                                    SHARES

___________

THIS CERTIFICATE IS TRANSFERABLE                        CUSIP NO. [____________]
IN NEW YORK                                  SEE REVERSE FOR CERTAIN DEFINITIONS

This certifies that ____________________________________________________________

is the record holder of ________________________________________________________

FULLY PAID AND NON-ASSESSABLE COMMON SHARES OF BENEFICIAL INTEREST, NO PAR VALUE, OF ______________________________________________________________________

Calamos Global Dynamic Income Fund, a series of the Trust, transferable on the books of the Trust by the holder hereof in person or by duly authorized attorney upon surrender of this Certificate properly endorsed. This Certificate and the shares represented hereby are issued and shall be subject to all of the provisions of the Agreement and Declaration of Trust and By-Laws of the Trust, each as from time to time amended, to all of which the holder by acceptance hereof assents. This Certificate is not valid until countersigned and registered by the Transfer Agent and Registrar.

Witness the facsimile signatures of its duly authorized officers

DATED:                                             COUNTERSIGNED AND REGISTERED;
       ------------------                                   THE BANK OF NEW YORK
                                                    TRANSFER AGENT AND REGISTRAR


                                                 BY
---------------------   ----------------------      ----------------------------
James S. Hamman, Jr.    John P. Calamos                     AUTHORIZED SIGNATURE
Secretary               President


CALAMOS GLOBAL DYNAMIC INCOME FUND

The following abbreviations, when used in the inscription on the face on this certificate, shall be construed as though they were written out in full

according to applicable laws or regulations;

TEN COM - as tenants in common     UNIF GIFT MIN ACT - ______ Custodian ________
                                                       (Cust)            (Minor)

TEN ENT - as tenants by the entireties             under Uniform Gifts to Minors

                                                   Act _________________________
                                                                (State)

JT TEN  - as joint tenants with right
          of survivorship and not as
          tenants in common

Additional abbreviations may also be used though not in the above list.

For value received, _______________ hereby sell, assign and transfer unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE




(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING ZIP CODE OF ASSIGNEE)


_________________________________________________________ Shares of Beneficial Interest represented by the within certificate and do hereby irrevocably constitute and appoint ___________________________________________________ Attorney to transfer the said Shares of Beneficial Ownership on the books of the within named Trust with full power of substitution in the premises.


Dated:


Signature

NOTICE: THE SIGNATURE(S) TO THIS
ASSIGNMENT MUST CORRESPOND WITH THE NAME
AS WRITTEN UPON THE FACE OF THE
CERTIFICATE IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT, OR ANY CHANGE
WHATEVER.

Signature(s) Guaranteed:

By
THE SIGNATURE(S) SHOULD BE GUARANTEED
BY AN ELIGIBLE GUARANTOR INSTITUTION
(BANKS, STOCKHOLDERS, SAVINGS AND LOAN
ASSOCIATIONS AND CREDIT UNIONS WITH
MEMBERSHIP IN AN APPROVED SIGNATURE
GUARANTEE MEDALLION PROGRAM), PURSUANT
TO S.E.C. RULE 17 AD-15.

Exhibit e

CALAMOS GLOBAL DYNAMIC INCOME FUND

TERMS AND CONDITIONS OF THE

AMENDED AND RESTATED DIVIDEND REINVESTMENT PLAN

(ADOPTED JUNE 15, 2007)

Registered holders ("Common Shareholders") of common shares of beneficial interest (the "Common Shares") of Calamos Global Dynamic Income Fund (the "Trust") will automatically be enrolled (the "Participants") in its Dividend Reinvestment Plan (the "Plan") and are advised as follows:

1. THE PLAN AGENT. The Bank of New York (the "Agent") will act as agent for each Participant. The Agent will open an account for each Participant under the Plan in the same name in which his or her outstanding Common Shares are registered.

2. CASH OPTION. Pursuant to the Fund's Plan, unless a holder of Common Shares otherwise elects, all dividend and capital gains distributions will be automatically reinvested by the Agent in additional Common Shares of the Fund. Common Shareholders who elect not to participate in the Plan will receive all distributions in cash paid by check mailed directly to the shareholder of record (or, if the shares are held in street or other nominee name then to such nominee) by the Agent, as dividend paying agent. Such participants may elect not to participate in the Plan and to receive all distributions of dividends and capital gains in cash by sending written instructions to the Agent, as dividend paying agent, at the address set forth below. Please note that the Plan administrator may use BNY ESI & Co. for trading activity, relative to the Plan on behalf of Plan participants. BNY ESI & Co. Inc. receives a commission in connection with any such transactions it processes.

3. MARKET PREMIUM ISSUANCES. If on the payment date for a Distribution, the net asset value per Common Share is equal to or less than the market price per Common Share plus estimated brokerage commissions, the Agent shall receive newly issued Common Shares ("Additional Common Shares") from the Trust for each Participant's account. The number of Additional Common Shares to be credited shall be determined by dividing the dollar amount of the Distribution by the greater of (i) the net asset value per Common Share on the payment date, or (ii) 95% of the market price per Common Share on the payment date.

4. MARKET DISCOUNT PURCHASES. If the net asset value per Common Share exceeds the market price plus estimated brokerage commissions on the payment date for a Distribution, the Agent (or a broker-dealer selected by the Agent) shall endeavor to apply the amount of such Distribution on each Participant's Common Shares to purchase Common Shares on the open market. In the event of a market discount on the payment date, the Agent will use commercially reasonable efforts to invest the dividend amount in shares acquired in open-market purchases by the last business day before the next date on which the shares trade on an "ex-dividend" basis, but in no event shall the Agent invest such dividend amount in shares acquired in open-market purchases more than 30 days after the dividend payment date (the "last purchase date"). It is contemplated that the Trust will pay monthly income dividends. Therefore, the period during which open-market purchases generally will be made will exist only from the


payment date of each dividend through the date before the next "ex-dividend" date, which typically will be approximately ten days. The weighted average price (including brokerage commissions) of all Common Shares purchased by the Agent as Agent shall be the price per Common Share allocable to each Participant. If, before the Agent has completed its purchases, the market price plus estimated brokerage commissions exceeds the net asset value of the Common Shares as of the payment date, the purchase price paid by Agent may exceed the net asset value of the Common Shares, resulting in the acquisition of fewer Common Shares than if such Distribution had been paid in Common Shares issued by the Trust. Because of the foregoing difficulty with respect to open-market purchases, the Plan provides that if the Plan Agent is unable to invest the full dividend amount in open-market purchases during the purchase period or if the market discount shifts to a market premium during the purchase period, the Plan Agent may cease making open-market purchases and may invest the uninvested portion of the dividend amount in newly issued Common Shares at the net asset value per Common Share at the close of business on the last purchase date. Participants should note that they will not be able to instruct the Agent to purchase Common Shares at a specific time or at a specific price. Open-market purchases may be made on any securities exchange where Common Shares are traded, in the over-the-counter market or in negotiated transactions, and may be on such terms as to price, delivery and otherwise as the Agent shall determine. Each Participant's uninvested funds held by the Agent will not bear interest. The Agent shall have no liability in connection with any inability to purchase Common Shares within the time provided, or with the timing of any purchases effected. The Agent shall have no responsibility for the value of Common Shares acquired. The Agent may commingle Participants' funds to be used for open-market purchases of Trust shares and the price per share allocable to each Participant in connection with such purchases shall be the average price (including brokerage commissions and other related costs) of all Trust shares purchased by Agent.

5. VALUATION. The market price of Common Shares on a particular date shall be the last sales price on the securities exchange where the Common Shares are listed on that date (the "Exchange"), or, if there is no sale on such Exchange on that date, then the mean between the closing bid and asked quotations on such Exchange on such date will be used. The net asset value per Common Share on, a particular date shall be the amount calculated on that date (or if not calculated on such date, the amount most recently calculated) by or on behalf of the Trust in accordance with the Trust's current prospectus.

6. TAXATION. The automatic reinvestment of Distributions does not relieve Participants of any federal, state or local taxes which may be payable (or required to be withheld on Distributions. Participants will receive tax information annually for their personal records and to help them prepare their federal income tax return. For further information as to tax consequences of participation in the Plan, Participants should consult with their own tax advisors.

7. LIABILITY OF AGENT. The Agent shall at all times act in good faith and agree to use its best efforts within reasonable limits to ensure the accuracy of all services performed under this Agreement and to comply with applicable law, but assumes no responsibility and shall not be liable for loss or damage due to errors unless such error is caused by the Agent's negligence, bad faith, or willful misconduct or that of its employees.

2

8. RECORDKEEPING. The Agent may hold each Participant's Common Shares acquired pursuant to the Plan together with the Common Shares of other Common Shareholders of the Trust acquired pursuant to the Plan in non-certificated form in the Agent's name or that of the Agent's nominee. Each Participant will be sent a confirmation by the Agent of each acquisition made for his or her account as soon as practicable, but in no event later than 60 days, after the date thereof. Upon a Participant's request, the Agent will deliver to the Participant, without charge, a certificate or certificates for the full Common Shares. Although each Participant may from time to time have an undivided fractional interest in a Common Share of the Trust, no certificates for a fractional share will be issued. Similarly, Participants may request to sell a portion of the Common Shares held by the Agent in their Plan accounts by calling the Agent, writing to the Agent, or completing and returning the transaction form attached to each Plan statement. The Agent will sell such Common Shares through a broker-dealer selected by the Agent within 5 business days of receipt of the request. The sale price will equal the weighted average price of all Common Shares sold through the Plan on the day of the sale, less brokerage commissions. Participants should note that the Agent is unable to accept instructions to sell on a specific date or at a specific price. Any share dividends or split shares distributed by the Trust on Common Shares held by the Agent for Participants will be credited to their accounts. In the event that the Trust makes available to its Common Shareholders rights to purchase additional Common Shares, the Common Shares held for each Participant under the Plan will be added to other Common Shares held by the Participant in calculating the number of rights to be issued to each Participant.

9. PROXY MATERIALS. The Agent will forward to each Participant any proxy solicitation material. The Agent will vote any Common Shares held for a Participant first in accordance with the instructions set forth on proxies returned by such Participant to the Trust, and then with respect to any proxies not returned by such Participant to the Trust, in the same proportion as the Agent votes the proxies returned by the Participants to the Trust.

10. FEES. The Agent's service fee for handling Distributions will be paid by the Trust. Each Participant will be charged his or her pro rata share of brokerage commissions on all open-market purchases. If a Participant elects to have the Agent sell part or all of his or her Common Shares and remit the proceeds, such Participant will be charged his or her pro rata share of brokerage commissions on the shares sold, plus a $15 transaction fee.

11. TERMINATION IN THE PLAN. Each registered Participant may terminate his or her account under the Plan by notifying the Agent in writing at P.O. Box 1958, Newark, New Jersey 07101-9774, or by calling the Agent at 1-800-432-8224, or using The Bank of New York's website: http://stockbny.com. Such termination will be effective with respect to a particular Distribution if the Participant's notice is received by the Agent prior to such Distribution record date. The Plan may be terminated by the Agent or the Trust upon notice in writing mailed to each Participant at least 60 days prior to the effective date of the termination. Upon any termination, the Agent will cause a certificate or certificates to be issued for the full shares held for each Participant under the Plan and cash adjustment for any fraction of a Common Share at the then current market value of the Common Shares to be delivered to him. If preferred, a Participant may request the sale of all of the Common Shares held by the Agent in his or her Plan account in order to terminate participation in the Plan. If any Participant elects in advance of such termination to have Agent sell part or all of his shares, Agent is authorized to

3

deduct from the proceeds a $15.00 fee plus the brokerage commissions incurred for the transaction. If a Participant has terminated his or her participation in the Plan but continues to have Common Shares registered in his or her name, he or she may re-enroll in the Plan at any time by notifying the Agent in writing at the address above.

12. AMENDMENT OF THE PLAN. These terms and conditions may be amended by the Agent or the Trust at any time but, except when necessary or appropriate to comply with applicable law or the rules or policies of the Securities and Exchange Commission or any other regulatory authority, only by mailing to each Participant appropriate written notice at least 30 days prior to the effective date thereof. The amendment shall be deemed to be accepted by each Participant unless, prior to the effective date thereof, the Agent receives notice of the termination of the Participant's account under the Plan. Any such amendment may include an appointment by the Agent of a successor Agent, subject to the prior written approval of the successor Agent by the Trust.

13. APPLICABLE LAW. These terms and conditions shall be governed by the laws of the State of New York.

4

Exhibit g

INVESTMENT MANAGEMENT AGREEMENT

AGREEMENT made as of the 15th day of June, 2007 (the "Agreement"), between CALAMOS ADVISORS LLC, a limited liability company organized under the laws of Delaware and having its principal office and place of business in Naperville, Illinois (the "Manager"), and CALAMOS GLOBAL DYNAMIC INCOME FUND, a Delaware business trust having its principal office and place of business in Naperville, Illinois (the "Trust").

WHEREAS, the Trust is registered as a closed-end management investment company under the Investment Company Act of 1940, as amended (the "1940 Act"); and

WHEREAS, the Manager is engaged principally in the business of rendering investment management services and is so registered under the Investment Advisers Act of 1940; and

WHEREAS, the Trust wishes to retain the Manager to provide certain investment advisory, management and administrative services; and

WHEREAS, the Manager is willing to furnish such services on the terms and conditions hereinafter set forth;

THEREFORE, in consideration of the promises and mutual covenants herein contained, it is agreed between the parties as follows:

1. APPOINTMENT OF MANAGER. The Trust appoints the Manager to act as manager and investment adviser to the Trust for the period and on the terms herein set forth. The Manager accepts such appointment and agrees to render the services herein set forth, for the compensation herein provided.

2. DUTIES OF MANAGER. The Manager, at its own expense, shall furnish the following services and facilities to the Trust:

(a) Portfolio Management Services. Subject to the overall supervision and review of the Board of Trustees of the Trust ("Trustees"), the Manager will regularly provide the Trust with investment research, advice and supervision and will furnish continuously an investment program for the Trust, consistent with the investment objectives and policies of the Trust. The Manager will determine from time to time what securities shall be purchased for the Trust, what securities shall be held or sold by the Trust and what portion of the Trust's assets shall be held uninvested as cash, subject always to the provisions of the Trust's Certificate of Trust, Agreement and Declaration of Trust, By-Laws and its registration statement under the 1940 Act and under the Securities Act of 1933 covering the Trust's shares, as filed with the Securities and Exchange Commission (the "Commission"), and to the investment objectives, policies and restrictions of the Trust, as each of the same shall be from time to time in effect, and subject, further, to such policies and instructions as the Trustees may from time to time establish. To carry out such determinations, the Manager will exercise full discretion and act for the Trust in the same manner and with the same force and effect as the Trust itself might or could do with respect to purchases, sales or other transactions, as well as with respect to all other things necessary or incidental to the furtherance or conduct of such purchases, sales or other transactions.


The Manager shall place all orders for the purchase and sale of portfolio securities for the account of the Trust with brokers or dealers selected by the Manager, although the Trust will pay the actual brokerage commissions on portfolio transactions in accordance with Paragraph 3. In executing portfolio transactions and selecting brokers or dealers, the Manager will use its best efforts to seek on behalf of the Trust or any Fund thereof the best overall terms available for any transaction. The Manager shall consider all factors it deems relevant, including the breadth of the market in the security, the price of the security, the financial condition and execution capability of the broker or dealer, and the reasonableness of the commission, if any (for the specific transaction and on a continuing basis). In evaluating the best overall terms available, and in selecting the broker or dealer to execute a particular transaction, the Manager may also consider the brokerage and research services (as those terms are defined in Section 28(e) of the Securities Exchange Act of 1934) provided to the Trust and/or other accounts over which the Manager or an affiliate of the Manager exercises investment discretion. The Manager is authorized to pay to a broker or dealer who provides such brokerage and research services a commission for executing a portfolio transaction for any Fund which is in excess of the amount of "commission" (as that term is used in Section
28(c), and as identified by the Commission) another broker or dealer would have charged for effecting that transaction if, but only if, the Manager determines in good faith that such commission was reasonable in relation to the value of the brokerage and research services provided by such broker or dealer, viewed in terms of that particular transaction or in terms of all of the accounts over which investment discretion is so exercised.

Manager (or an affiliate of Manager) may act as broker for Trust in connection with the purchase or sale of securities by or to the Trust if and to the extent permitted by procedures adopted from time to time by the Trustees. Such brokerage services are not within the scope of the duties of Manager under this agreement, and, within the limits permitted by law and the Trustees, Manager (or an affiliate of Manager) may receive brokerage commissions, fees or other remuneration from the Trust for such services in addition to its fee for services as Manager. Within the limits permitted by law, Manager may receive compensation from the Trust for other services performed by it for the Trust which are not within the scope of the duties of Manager under this Agreement.

(b) Other Services. In addition to the portfolio management services specified above in Paragraph 2(a), the Manager shall furnish for use of the Trust such office space and facilities as the Trust may require for its reasonable needs and shall supervise the business and affairs of the Trust and shall provide the following other services on behalf of the Trust and not provided by persons not parties to this Agreement:

(i) preparing or assisting in the preparation of reports to and meeting materials for the Trustees;

(ii) supervising, negotiating contractual arrangements with, to the extent appropriate, and monitoring the performance of, accounting agents, custodians, depositories, transfer agents and pricing agents, accountants, attorneys, printers, underwriters, brokers and dealers, insurers and other persons in any capacity deemed to be necessary or desirable to Trust operations;


(iii) assisting in the preparation and making of filings with the Commission and other regulatory and self-regulatory organizations, including, but not limited to, preliminary and definitive proxy materials, amendments to the Trust's registration statement on Form N-2 and semi-annual reports on Form N-SAR and Form N-CSR;

(iv) overseeing the tabulation of proxies by the Trust's transfer agent;

(v) assisting in the preparation and filing of the Trust's federal, state and local tax returns;

(vi) assisting in the preparation and filing of the Trust's federal excise tax return pursuant to Section 4982 of the Code;

(vii) providing assistance with investor and public relations matters;

(viii) monitoring the valuation of portfolio securities and the calculation of net asset value;

(ix) monitoring the registration of shares of beneficial interest of the Trust under applicable federal and state securities laws;

(x) maintaining or causing to be maintained for the Trust all books, records and reports and any other information required under the 1940 Act, to the extent that such books, records and reports and other information are not maintained by the Trust's custodian or other agents of the Trust;

(xi) assisting in establishing the accounting policies of the Trust;

(xii) assisting in the resolution of accounting issues that may arise with respect to the Trust's operations and consulting with the Trust's independent accountants, legal counsel and the Trust's other agents as necessary in connection therewith;

(xiii) reviewing the Trust's bills;

(xiv) assisting the Trust in determining the amount of dividends and distributions available to be paid by the Trust to its shareholders, preparing and arranging for the printing of dividend notices to shareholders, and providing the transfer and dividend paying agent, the custodian, and the accounting agent with such information as is required for such parties to effect the payment of dividends and distributions; and

(xv) otherwise assisting the Trust as it may reasonably request in the conduct of the Trust's business, subject to the direction and control of the Trustees.

Nothing in this Agreement shall be deemed to shift to the Manager or diminish the obligations of any agent of the Trust or any other person not a party to this Agreement which is obligated to provide services to the Trust.


(c) Reports. The Manager shall furnish to the Trustees periodic reports on the investment performance of the Trust and on the performance of the Manager's obligations pursuant to this Agreement, and the Manager shall supply such additional reports and information as the Trust's officers or the Trustees shall reasonably request.

3. ALLOCATION OF EXPENSES. Except for the services and facilities to be provided by the Manager as set forth in Paragraph 2 above, the Trust assumes and shall pay all expenses for all other Trust operations and activities and shall reimburse the Manager for any such expenses incurred by the Manager. In addition, the Manager shall pay the compensation and expenses of all Trustees, officers and employees of the Trust who are affiliated persons of the Manager and the Manager shall make available, without expense to the Trust, the services of the Manager's directors, officers and employees as may be duly elected Trustees and officers of the Trust, subject to their individual consent to serve and to any limitations imposed by law. The expenses to be borne by the Trust shall include, without limitation:

(a) organization expenses of the Trust (including out-of-pocket expenses, but not including the Manager's overhead or employee costs);

(b) fees payable to the Manager;

(c) legal expenses;

(d) auditing and accounting expenses;

(e) maintenance of books and records that are required to be maintained by the Trust's custodian or other agents of the Trust;

(f) telephone, telex, facsimile, postage and other communications expenses;

(g) taxes and governmental fees;

(h) fees, dues and expenses incurred by the Trust in connection with membership in investment company trade organizations and the expense of attendance at professional meetings of such organizations;

(i) fees and expenses of accounting agents, custodians, subcustodians, transfer agents, dividend disbursing agents and registrars;

(j) payment for portfolio pricing or valuation services to pricing agents, accountants, bankers and other specialists, if any;

(k) expenses of preparing share certificates;

(l) expenses in connection with the issuance, offering, distribution, sale, redemption or repurchase of securities issued by the Trust;

(m) expenses relating to investor and public relations provided by parties other than the Manager;


(n) expenses and fees of registering or qualifying shares of beneficial interest of the Trust for sale;

(o) interest charges, bond premiums and other insurance expenses;

(p) freight, insurance and other charges in connection with the shipment of the Trust's portfolio securities;

(q) the compensation and all expenses (specifically including travel expenses relating to Trust business) of Trustees, officers and employees of the Trust who are not affiliated persons of the Manager;

(r) brokerage commissions or other costs of acquiring or disposing of any portfolio securities of the Trust;

(s) expenses of printing and distributing reports, notices and dividends to shareholders;

(t) expenses of preparing and setting in type, printing and mailing prospectuses and statements of additional information of the Trust and supplements thereto;

(u) costs of stationery;

(v) any litigation expenses;

(w) indemnification of Trustees and officers of the Trust;

(x) costs of shareholders' and other meetings;

(y) interest on borrowed money, if any; and

(z) the fees and other expenses of listing the Trust's shares on the New York Stock Exchange or any other national stock exchange.

4. MANAGEMENT FEE.

(a) The Trust shall pay to the Manager, as compensation for the Manager's services performed, facilities furnished and expenses assumed hereunder, a fee at the annual rate equal to 1.00% of the Trust's average weekly managed assets. "Managed assets" means the total assets of the Trust (including any assets attributable to any leverage that may be outstanding) minus the sum of accrued liabilities (other than debt representing financial leverage).

(b) The management fee payable hereunder shall be computed weekly and paid monthly in arrears. In the event of termination of this Agreement, the fee shall be computed on the basis of the period ending on the last business day on which this Agreement is in effect subject to a pro rata adjustment based on the number of days elapsed in the current month as a percentage of the total number of days in such month.


(c) The Manager may from time to time agree not to impose all or a portion of its fee otherwise payable hereunder (in advance of the time such fee or a portion thereof would otherwise accrue) and/or undertake to pay or reimburse the Trust for all or a portion of its expenses not otherwise required to be borne or reimbursed by the Manager. Any such fee reduction or undertaking may be discontinued or modified by the Manager at any time.

5. RELATIONS WITH TRUST. Subject to and in accordance with the Declaration of Trust and Bylaws of the Trust and the Articles of Incorporation and Bylaws of the Manager, respectively, it is understood that the Trustees, officers, agents and shareholders of the Trust are or may be interested in the Manager (or any successor thereof) as directors, officers, or otherwise, that directors, officers, agents and shareholders of the Manager are or may be interested in the Trust as Trustees, officers, shareholders or otherwise, and that the effect of any such adverse interests shall be governed by said Declaration of Trust, Articles of Incorporation and Bylaws.

6. LIABILITY OF MANAGER AND OFFICERS AND TRUSTEES OF THE TRUST. No provision of this Agreement shall be deemed to protect the Manager against any liability to the Trust or its shareholders to which it might otherwise be subject by reason of any willful misfeasance, bad faith or gross negligence in the performance of its duties or the reckless disregard of its obligations and duties under this Agreement. Nor shall any provision hereof be deemed to protect any Trustee or officer of the Trust against any such liability to which he might otherwise be subject by reason of any willful misfeasance, bad faith, gross negligence or reckless disregard of his obligations and duties.

7. DURATION AND TERMINATION OF THIS AGREEMENT.

(a) Duration. This Agreement shall become effective on the date first written above. Unless terminated as herein provided, this Agreement shall remain in full force and effect until August 1, 2008, and shall continue in full force and effect for periods of one year thereafter so long as such continuance is approved at least annually (i) by either the Trustees or by vote of a majority of the outstanding voting shares (as defined in the 1940 Act) of the Trust, and
(ii) in either event by the vote of a majority of the Trustees who are not parties to this Agreement or "interested persons" (as defined in the 1940 Act) of any such party, cast in person at a meeting called for the purpose of voting on such approval.

(b) Termination. This Agreement may be terminated at any time, without payment of any penalty, by vote of the Trustees or by vote of a majority of the outstanding shares (as defined in the 1940 Act), or by the Manager on sixty (60) days' written notice to the other party.

(c) Automatic Termination. This Agreement shall automatically terminate in the event of its "assignment," as that term is defined in the 1940 Act.

8. NAME OF TRUST. It is understood that the name "Calamos", and any logo associated with that name, is the valuable property of Calamos Holdings LLC, and that the Trust has the right to include "Calamos" as a part of its name only so long as this Agreement shall continue. Upon termination of this Agreement the Trust shall forthwith cease to use the


"Calamos" name and logo and shall take such action as is necessary to change the name of the Trust and to amend its Declaration of Trust to change the Trust's name.

9. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the terms of the State of Delaware.

10. SERVICES NOT EXCLUSIVE. The services of the Manager to the Trust hereunder are not to be deemed exclusive and the Manager shall be free to render similar services to others so long as its services hereunder are not impaired thereby.

11. LIMITATION OF LIABILITY. It is expressly agreed that the obligations of the Trust hereunder shall not be binding upon any of the Trustees, shareholders, nominees, officers, agents or employees of the Trust, personally, but shall bind only the assets and property of the Trust as provided in the Declaration of Trust of the Trust. The execution and delivery of this Agreement have been authorized by the Trustees and shareholders of the Trust and signed by an authorized officer of the Trust, acting as such, and neither such authorization by the Trustees and shareholders nor such execution and delivery by such officer shall be deemed to have been made by any of them individually or to impose any liability on any of them personally, but shall bind only the assets and property of the Trust as provided in its Declaration of Trust.

12. MISCELLANEOUS. This Agreement embodies the entire agreement and understanding between the parties hereto, and supersedes all prior agreements and understandings relating to the subject matter hereof. Should any part of this Agreement be held or made invalid by a court decision, statute, rule or otherwise, the remainder of this Agreement shall not be affected thereby. This Agreement shall be binding and shall inure to the benefit of the parties hereto and their respective successors. This Agreement may be executed simultaneously in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.


IN WITNESS WHEREOF, this Investment Management Agreement has been executed for the Manager and the Trust by their duly authorized officers, as of the date first set forth above.

CALAMOS ADIVSORS LLC

                                        By: /s/ John P. Calamos
                                            ------------------------------------
                                            John P. Calamos, Sr., President

Attest:


By: /s/ James S. Hamman, Jr.
    ---------------------------------
    James S. Hamman, Jr., Secretary

CALAMOS GLOBAL DYNAMIC INCOME FUND

                                        By: /s/ James S. Hamman
                                            ------------------------------------
                                            James S. Hamman, Jr., Secretary

Attest:


By: /s/ Patrick H. Dudasik
    ---------------------------------
    Patrick H. Dudasik,
    Executive Vice President


Exhibit (h)(1)


CALAMOS GLOBAL DYNAMIC INCOME FUND

__________ Common Shares of Beneficial Interest $15.00 per Share

UNDERWRITING AGREEMENT

Dated: June 26, 2007



TABLE OF CONTENTS

                                                                            Page
                                                                            ----
SECTION 1.  Representations and Warranties ..............................     3
SECTION 2.  Sale and Delivery to Underwriters; Closing ..................    12
SECTION 3.  Covenants of the Fund and the Adviser .......................    14
SECTION 4.  Payment of Expenses .........................................    16
SECTION 5.  Conditions of Underwriters' Obligations .....................    17
SECTION 6.  Indemnification .............................................    20
SECTION 7.  Contribution ................................................    23
SECTION 8.  Representations, Warranties and Agreements to Survive
            Delivery ....................................................    24
SECTION 9.  Termination of Agreement ....................................    24
SECTION 10. Default by One or More of the Underwriters ..................    25
SECTION 11. Notices......................................................    25
SECTION 12. Parties......................................................    26
SECTION 13. GOVERNING LAW ...............................................    26
SECTION 14. Effect of Headings ..........................................    26
SECTION 15. Definitions .................................................    26
SECTION 16. Absence of Fiduciary Relationship ...........................    28

EXHIBITS

Exhibit A - Initial Securities to be Sold Exhibit B - Form of Opinion of Fund Counsel Exhibit C - Form of Opinion of Adviser Counsel Exhibit D - Form of Opinion of Delaware Counsel Exhibit E - Price-Related Information

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CALAMOS GLOBAL DYNAMIC INCOME FUND

________ Common Shares of Beneficial Interest

UNDERWRITING AGREEMENT

June 26, 2007

Wachovia Capital Markets, LLC
Citigroup Global Markets Inc.
Robert W. Baird & Co. Incorporated
Crowell, Weedon & Co.
Ferris, Baker Watts, Incorporated
H&R Block Financial Advisors, Inc.
Janney Montgomery Scott LLC
RBC Capital Markets Corporation
Ryan Beck & Co., Inc.
Southwest Securities, Inc.
Stifel, Nicolaus & Company, Incorporated Wedbush Morgan Securities Inc.
Wells Fargo Securities, LLC

As Representatives of the several Underwriters listed on Exhibit A hereto

c/o Wachovia Capital Markets, LLC
375 Park Avenue
New York, New York 10152

Ladies and Gentlemen:

Calamos Global Dynamic Income Fund, a Delaware statutory trust (the "Fund"), and Calamos Advisors LLC, a Delaware limited liability company (the "Adviser"), confirm their respective agreements with Wachovia Capital Markets, LLC ("Wachovia") and each of the other Underwriters named in Exhibit A hereto (collectively, the "Underwriters," which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Wachovia and Citigroup Global Markets Inc. are acting as representatives (in such capacity, the "Representatives"), with respect to the issue and sale by the Fund of a total of __________ common shares of beneficial interest, no par value per share (the "Initial Securities"), and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of Initial Securities set forth in said Exhibit A hereto, and with respect to the grant by the Fund to the Underwriters, acting severally and not jointly, of the option described in
Section 2(b) hereof to purchase all or any part of ____ additional common shares of beneficial interest to cover over-allotments, if any. The Initial Securities to be purchased by the Underwriters and all or any part of the ____ common shares of beneficial interest subject to the option described in

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Section 2(b) hereof (the "Option Securities") are hereinafter called, collectively, the "Securities." Certain terms used in this Agreement are defined in Section 15 hereof.

The Fund understands that the Underwriters propose to make a public offering of the Securities as soon as the Representatives deem advisable after this Agreement has been executed and delivered.

The Fund has entered into (i) an Investment Management Agreement with the Adviser dated as of June 15, 2007, (ii) a Custody Agreement with The Bank of New York dated as of June 15, 2007, (iii) a Foreign Custody Agreement with The Bank of New York dated as of June 15, 2007, (iv) a Stock Transfer Agency Agreement with The Bank of New York dated as of June 15, 2007, (v) an Amended and Restated Financial Accounting Services Agreement with the Adviser dated December 13, 2004, as effective with respect to the Fund as of June 15, 2007 and (vi) a Master Services Agreement with State Street Bank and Trust Company dated as of March 15, 2004, as effective with respect to the Fund as of June 15, 2007 and such agreements are herein referred to as the "Advisory Agreement," the "Custodian Agreement", the "Foreign Custody Agreement," the "Transfer Agency Agreement," the "Accounting Agreement" and the "Administration Agreement," respectively. Collectively, the Advisory Agreement, the Custodian Agreement, the Foreign Custody Agreement, the Transfer Agency Agreement, the Accounting Agreement and the Administration Agreement are herein referred to as the "Fund Agreements." The Adviser has entered into a Structuring Fee Agreement with Wachovia dated as of June 26, 2007 and a Structuring Fee Agreement with Citigroup Global Markets Inc. dated as of June 26, 2007, and such agreements are herein referred to as the "Structuring Fee Agreements." In addition, the Fund has adopted a dividend reinvestment plan pursuant to which holders of common shares of beneficial interest shall have their dividends automatically reinvested in additional common shares of beneficial interest of the Fund unless they elect to receive such dividends in cash, and such plan is herein referred to as the "Dividend Reinvestment Plan."

The Fund has prepared and filed with the Commission a registration statement (file numbers 333-142056 and 811-22047) on Form N-2, including a related preliminary prospectus (including the statement of additional information incorporated by reference therein), for registration under the 1933 Act and the 1940 Act of the offering and sale of the Securities. The Fund may have filed one or more amendments thereto, including a related preliminary prospectus (including the statement of additional information incorporated by reference therein), each of which has previously been furnished to you.

The Fund will next file with the Commission one of the following: either
(1) prior to the effective date of the registration statement, a further amendment to the registration statement (including the form of final prospectus (including the statement of additional information incorporated by reference therein)) or (2) after the effective date of the registration statement, a final prospectus (including the statement of additional information incorporated by reference therein) in accordance with Rules 430A and 497. In the case of clause
(2), the Fund has included or incorporated by reference in the Registration Statement, as amended at the effective date, all information (other than Rule 430A Information) required by the 1933 Act and the 1940 Act and the Rules and Regulations to be included in the registration statement and the Prospectus. As filed, such amendment and form of final prospectus (including the statement of additional

2

information incorporated by reference therein), or such final prospectus (including the statement of additional information incorporated by reference therein), shall contain all Rule 430A Information, together with all other such required information, and, except to the extent the Representatives shall agree in writing to a modification, shall be in all substantive respects in the form furnished to you prior to the Applicable Time or, to the extent not completed at the Applicable Time, shall contain only such specific additional information and other changes (beyond that contained in the latest preliminary prospectus) as the Fund has advised you, prior to the Applicable Time, will be included or made therein.

SECTION 1. Representations and Warranties.

(a) Representations and Warranties by the Fund and the Adviser. The Fund and the Adviser, jointly and severally, represent and warrant to each Underwriter as of the date hereof, as of the Applicable Time, as of the Closing Date referred to in Section 2(c) hereof, and as of each Option Closing Date (if any) referred to in Section 2(b) hereof, and agree with each Underwriter, as follows:

(1) Compliance with Registration Requirements. The Securities have been duly registered under the 1933 Act and the 1940 Act pursuant to the Registration Statement. Each of the Initial Registration Statement and any Rule 462(b) Registration Statement has become effective under the 1933 Act and the 1940 Act, and no stop order suspending the effectiveness of the Initial Registration Statement or any Rule 462(b) Registration Statement has been issued under the 1933 Act or the 1940 Act, and no proceedings for that purpose have been instituted or are pending or, to the knowledge of the Fund or the Adviser, are contemplated by the Commission, and any request on the part of the Commission for additional information has been complied with. The Preliminary Prospectus and the Prospectus complied when filed with the Commission in all material respects with the requirements of the 1933 Act, the 1940 Act and the Rules and Regulations. The Preliminary Prospectus and the Prospectus and any amendments or supplements thereto delivered to the Underwriters for use in connection with the offering of the Securities each was identical to the electronically transmitted copy thereof filed with the Commission pursuant to EDGAR, except to the extent permitted by Regulation S-T.

At the respective times the Initial Registration Statement, any Rule
462(b) Registration Statement and any post-effective amendments thereto became or become effective and at the Closing Date (and, if any Option Securities are purchased, at the applicable Option Closing Date), the Initial Registration Statement, any Rule 462(b) Registration Statement will, and the 1940 Act Notification when originally filed with the Commission and any amendments and supplements thereto did or will, comply in all material respects with the requirements of the 1933 Act, the 1940 Act and the Rules and Regulations and did not and will not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading. Neither the Prospectus nor any amendments or supplements thereto, as of its date, at the Closing Date (and, if any Option Securities are purchased, at the applicable Option Closing Date), and at any time when a prospectus is required by applicable law to be delivered in connection with sales of Securities, included

3

or will include an untrue statement of a material fact or omitted or will omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. The Preliminary Prospectus and the information included on Exhibit E hereto, all considered together (collectively, the "General Disclosure Package") did not or will not contain any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided, however, that the Fund makes no representations or warranties as to the information contained in or omitted from the Preliminary Prospectus or the Prospectus in reliance upon and in conformity with information furnished in writing to the Fund by or on behalf of any Underwriter specifically for inclusion therein, it being understood and agreed that the only such information furnished by any Underwriter consists of the information described as such in Section 6(b) hereof.

The Fund's registration statement on Form 8-A under the 1934 Act is effective.

(2) Independent Accountants. Deloitte & Touche LLP who certified and audited the financial statements and supporting schedules included in the Registration Statement and the Prospectus are independent public accountants as required by the 1933 Act, the 1940 Act and the Rules and Regulations.

(3) Financial Statements. The financial statements of the Fund included in the Registration Statement and the Prospectus, together with the related schedules (if any) and notes, present fairly the financial position of the Fund at the dates indicated and the results of operations and cash flows of the Fund for the periods specified; and all such financial statements have been prepared in conformity with GAAP applied on a consistent basis throughout the periods involved and comply with all applicable accounting requirements under the 1933 Act, the 1940 Act and the Rules and Regulations. The supporting schedules, if any, included in the Registration Statement present fairly, in accordance with GAAP, the information required to be stated therein, and the other financial and statistical information and data included in the Registration Statement, the Preliminary Prospectus and the Prospectus are accurately derived from such financial statements and the books and records of the Fund.

(4) No Material Adverse Change in Business. Since the respective dates as of which information is given in the Preliminary Prospectus and the Prospectus, except as otherwise stated therein, (A) there has been no Fund Material Adverse Effect and (B) there have been no transactions entered into by the Fund which are material with respect to the Fund other than those in the ordinary course of its business as described in the Preliminary Prospectus and the Prospectus.

(5) Good Standing of the Fund. The Fund has been duly formed and is validly existing in good standing as a statutory trust under the laws of the State of Delaware and has power and authority to own, lease and operate its properties and to conduct its business as described in the Registration Statement, the Preliminary Prospectus and the Prospectus and to enter into and perform its obligations under this

4

Agreement and the Fund Agreements; and the Fund is duly qualified to transact business and is in good standing under the laws of each jurisdiction which requires qualification.

(6) No Subsidiaries. The Fund has no subsidiaries.

(7) Investment Company Status. The Fund is duly registered under the 1940 Act as a closed-end, diversified management investment company under the 1940 Act and the Rules and Regulations, and the 1940 Act Notification has been duly filed with the Commission. The Fund has not received any notice from the Commission pursuant to Section 8(e) of the 1940 Act with respect to the 1940 Act Notification or the Registration Statement.

(8) Officers and Trustees. No person is serving or acting as an officer, trustee or investment adviser of the Fund except in accordance with the provisions of the 1940 Act and the Rules and Regulations and the Advisers Act. Except as disclosed in the Registration Statement, the Preliminary Prospectus and the Prospectus, no trustee of the Fund is (A) an "interested person" (as defined in the 1940 Act) of the Fund or (B) an "affiliated person" (as defined in the 1940 Act) of any Underwriter. For purposes of this Section 1(a)(8), the Fund and the Adviser shall be entitled to rely on representations from such officers and trustees.

(9) Capitalization. The authorized, issued and outstanding common shares of beneficial interest of the Fund are as set forth in the Preliminary Prospectus and in the Prospectus. All issued and outstanding common shares of beneficial interest of the Fund have been duly authorized and validly issued and are fully paid and non-assessable and have been offered and sold or exchanged by the Fund in compliance with all applicable laws (including, without limitation, federal and state securities laws); none of the outstanding common shares of beneficial interest of the Fund was issued in violation of the preemptive or other similar rights of any securityholder of the Fund.

(10) Power and Authority. The Fund has full power and authority to enter into this Agreement and the Fund Agreements; the execution and delivery of, and the performance by the Fund of its obligations under this Agreement and the Fund Agreements have been duly and validly authorized by the Fund; and this Agreement and the Fund Agreements have been duly executed and delivered by the Fund and constitute the valid and legally binding agreements of the Fund, enforceable against the Fund in accordance with their terms, except as rights to indemnity and contribution may be limited by federal or state securities laws and subject to the qualification that the enforceability of the Fund's obligations hereunder and thereunder may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and other laws relating to or affecting creditors' rights generally and by general equitable principles.

(11) Agreements' Compliance with Law. This Agreement and each of the Fund Agreements comply in all material respects with all applicable provisions of the 1940 Act, the 1940 Act Rules and Regulations, the Advisers Act and the Advisers Act Rules and Regulations.

5

(12) Absence of Defaults and Conflicts. The Fund is not (i) in violation of its Declaration of Trust or bylaws, (ii) in breach or default in the performance of the terms of any indenture, contract, lease, mortgage, declaration of trust, note agreement, loan agreement or other agreement, obligation, condition, covenant or instrument to which it is a party or bound or to which its property is subject or (iii) in violation of any law, ordinance, administrative or governmental rule or regulation applicable to the Fund or of any decree of the Commission, the NASD, any state securities commission, any foreign securities commission, any national securities exchange, any arbitrator, any court or any other governmental, regulatory, self-regulatory or administrative agency or any official having jurisdiction over the Fund, except in the case of (ii) and
(iii) for such breaches, defaults or violations which would not have a Fund Material Adverse Effect.

(13) Absence of Proceedings. There is no action, suit, proceeding, inquiry or investigation before or brought by any court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Fund, threatened, against or affecting the Fund which is required to be disclosed in the Preliminary Prospectus and Prospectus (other than as disclosed therein), or that could reasonably be expected to result in a Fund Material Adverse Effect, or that could reasonably be expected to materially and adversely affect the properties or assets of the Fund or the consummation of the transactions contemplated in this Agreement or the performance by the Fund of its obligations under this Agreement or the Fund Agreements; the aggregate of all pending legal or governmental proceedings to which the Fund is a party or of which any of its property or assets is the subject which are not described in the Preliminary Prospectus or the Prospectus or to be filed as an exhibit to the Registration Statement that are not described or filed as required by the 1933 Act, the 1940 Act or the Rules and Regulations, including ordinary routine litigation incidental to the business, could not reasonably be expected to result in a Fund Material Adverse Effect.

(14) Accuracy of Descriptions and Exhibits. The statements set forth under the headings "Closed-End Fund Structure," "Certain Provisions of the Agreement and Declaration of Trust and By-Laws" and "U.S. Federal Income Tax Matters" in the Preliminary Prospectus and the Prospectus and "U.S. Federal Income Tax Matters" in the Statement of Additional Information, insofar as such statements purport to summarize certain provisions of the 1940 Act, the Delaware Statutory Trust Act, the Fund's Declaration of Trust, U.S. federal income tax law and regulations or legal conclusions with respect thereto, fairly and accurately summarize such provisions in all material respects; all descriptions in the Registration Statement, the Preliminary Prospectus and the Prospectus of any Fund documents are accurate in all material respects; and there are no franchises, contracts, indentures, mortgages, deeds of trust, loan or credit agreements, bonds, notes, debentures, evidences of indebtedness, leases or other instruments or agreements required to be described or referred to in the Registration Statement, the Preliminary Prospectus or the Prospectus or to be filed as exhibits to the Registration Statement that are not described or filed as required by the 1933 Act, the 1940 Act or the Rules and Regulations which have not been so described and filed as required.

(15) Absence of Further Requirements. (A) No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or

6

governmental authority or agency, domestic or foreign, and (B) no authorization, approval, vote or other consent of any other person or entity, is necessary or required for the performance by the Fund of its obligations under this Agreement or the Fund Agreements, for the offering, issuance, sale or delivery of the Securities hereunder, or for the consummation of any of the other transactions contemplated by this Agreement or the Fund Agreements, in each case on the terms contemplated by the Registration Statement, the Preliminary Prospectus and the Prospectus, except such as have been already obtained and under the 1933 Act, the 1940 Act, the Rules and Regulations, the rules and regulations of the NASD and the NYSE and such as may be required under state securities laws.

(16) Non-Contravention. Neither the execution, delivery or performance of this Agreement and the Fund Agreements nor the consummation by the Fund of the transactions herein or therein contemplated (i) conflicts or will conflict with or constitutes or will constitute a breach of the Declaration of Trust or bylaws of the Fund, (ii) conflicts or will conflict with or constitutes or will constitute a breach of or a default under, any agreement, indenture, lease or other instrument to which the Fund is a party or by which it or any of its properties may be bound or (iii) violates or will violate any statute, law, regulation or filing or judgment, injunction, order or decree applicable to the Fund or any of its properties or will result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Fund pursuant to the terms of any agreement or instrument to which the Fund is a party or by which the Fund may be bound or to which any of the property or assets of the Fund is subject.

(17) Possession of Licenses and Permits. The Fund has such licenses, permits, and authorizations of governmental or regulatory authorities ("permits") as are necessary to own its property and to conduct its business in the manner described in the Preliminary Prospectus and the Prospectus; the Fund has fulfilled and performed all its material obligations with respect to such permits and no event has occurred which allows or, after notice or lapse of time, would allow, revocation or termination thereof or results in any other material impairment of the rights of the Fund under any such permit, subject in each case to such qualification as may be set forth in the Preliminary Prospectus and the Prospectus; and, except as described in the Preliminary Prospectus and the Prospectus, none of such permits contains any restriction that is materially burdensome to the Fund.

(18) Distribution of Offering Material. The Fund has not distributed and, prior to the later to occur of (i) the Closing Date and (ii) completion of the distribution of the Securities, will not distribute any offering material in connection with the offering and sale of the Securities other than the Registration Statement, the Preliminary Prospectus, the Prospectus, the sales material or other materials permitted by the Act, the 1940 Act or the Rules and Regulations.

(19) Absence of Registration Rights. There are no persons with registration rights or other similar rights to have any securities (debt or equity) (A) registered pursuant to the Registration Statement or included in the offering contemplated by this Agreement or (B) otherwise registered by the Fund under the 1933 Act or the 1940 Act. There are no persons with tag-along rights or other similar rights to have any securities

7

(debt or equity) included in the offering contemplated by this Agreement or sold in connection with the sale of Securities by the Fund pursuant to this Agreement.

(20) NYSE. The Securities are duly listed and admitted and authorized for trading, subject to official notice of issuance and evidence of satisfactory distribution, on the NYSE.

(21) NASD Matters. All of the information provided to the Underwriters or to counsel for the Underwriters by the Fund, its officers and Trustees in connection with letters, filings or other supplemental information provided to NASD Regulation Inc. pursuant to the NASD's conduct rules is true, complete and correct.

(22) Tax Returns. The Fund has filed all tax returns that are required to be filed and has paid all taxes required to be paid by it and any other assessment, fine or penalty levied against it, to the extent that any of the foregoing is due and payable, except for any such tax, assessment, fine or penalty that is currently being contested in good faith by appropriate actions and except for such taxes, assessments, fines or penalties the nonpayment of which would not, individually or in the aggregate, have a Fund Material Adverse Effect.

(23) Subchapter M. The Fund intends to comply with the requirements of Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code") to qualify as a regulated investment company under the Code and intends to direct the investment of the net proceeds of the offering of the Securities in such a manner as to comply with the requirements of Subchapter M of the Code.

(24) Insurance. The Fund's trustees and officers/errors and omissions insurance policy and its fidelity bond required by Rule 17g-1 of the 1940 Act Rules and Regulations are in full force and effect; the Fund is in compliance with the terms of such policy and fidelity bond in all material respects; and there are no claims by the Fund under any such policy or fidelity bond as to which any insurance company is denying liability or defending under a reservation of rights clause; the Fund has not been refused any insurance coverage sought or applied for; and the Fund has no reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business at a cost that would not have a Fund Material Adverse Effect, except as set forth in or contemplated in the Preliminary Prospectus and Prospectus (exclusive of any supplement thereto).

(25) Accounting Controls and Disclosure Controls. The Fund maintains a system of internal accounting controls sufficient to provide reasonable assurances that (A) transactions are executed in accordance with management's general or specific authorizations and with the investment objectives, policies and restrictions of the Fund and the applicable requirements of the 1940 Act, the 1940 Act Rules and Regulations and the Code; (B) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain asset accountability to calculate net asset value and to maintain material compliance with the books and records requirements

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under the 1940 Act and the 1940 Act Rules and Regulations; (C) access to assets is permitted only in accordance with management's general or specific authorization; and (D) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. The Fund employs "disclosure controls and procedures" (as such term is defined in Rule 30a-3 under the 1940 Act); such disclosure controls and procedures are currently in effect.

(26) Compliance with the Sarbanes-Oxley Act. There is and has been no failure on the part of the Fund or any of the Fund's trustees or officers, in their capacities as such, to comply with any provision of the Sarbanes-Oxley Act and the rules and regulations promulgated in connection therewith, including Sections 302 and 906 related to certifications.

(27) Fund Compliance with Policies and Procedures. The Fund has adopted and implemented written policies and procedures reasonably designed to prevent violation of the Federal Securities Laws (as that term is defined in Rule 38a-1 under the 1940 Act) by the Fund, including policies and procedures that provide oversight of compliance for each investment adviser, administrator and transfer agent of the Fund.

(28) Absence of Manipulation. The Fund has not taken and will not take, directly or indirectly, any action designed to or that would constitute or that might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security to facilitate the sale or resale of the Securities, and the Fund is not aware of any such action taken or to be taken by any affiliates of the Fund, other than such actions as taken by the Underwriters that are affiliates of the Fund, so long as such actions are in compliance with all applicable law.

(29) Statistical, Demographic or Market-Related Data. Any statistical, demographic or market-related data included in the Registration Statement, the Preliminary Prospectus or the Prospectus is based on or derived from sources that the Fund believes to be reliable and accurate and all such data included in the Registration Statement, the Preliminary Prospectus or the Prospectus accurately reflects the materials upon which it is based or from which it was derived.

(30) Advertisements. All advertising, sales literature or other promotional material (including "prospectus wrappers", "broker kits", "road show slides" and "road show scripts"), whether in printed or electronic form, authorized in writing by or prepared by or at the direction of the Fund or the Adviser for use in connection with the offering and sale of the Securities (collectively, "sales material") complied and comply in all material respects with the applicable requirements of the 1933 Act, the 1933 Act Rules and Regulations and the rules and interpretations of the NASD and if required to be filed with the NASD under the NASD's conduct rules were provided to Simpson Thacher & Bartlett LLP, counsel for the Underwriters, for filing. No sales material contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading.

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(b) Representations and Warranties by the Adviser. The Adviser represents and warrants to each Underwriter as of the date hereof, as of the Applicable Time, as of the Closing Date and as of each Option Closing Date (if any), and agrees with each Underwriter, as follows:

(1) Investment Manager Status. The Adviser is duly registered as an investment adviser under the Advisers Act and it not prohibited by the Advisers Act, the 1940 Act, the Advisers Act Rules and Regulations or the 1940 Act Rules and Regulations from acting under the Advisory Agreement, the Accounting Agreement or the Structuring Fee Agreements as contemplated by the Preliminary Prospectus and the Prospectus.

(2) Capitalization. The Adviser has the financial resources available to it necessary for the performance of its services and obligations as contemplated in the Preliminary Prospectus and the Prospectus and under this Agreement and the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements.

(3) No Material Adverse Change in Business. Since the respective dates as of which information is given in the Preliminary Prospectus and the Prospectus, except as otherwise stated therein, (A) there has been no Adviser Material Adverse Effect and (B) there have been no transactions entered into by the Adviser which are material with respect to the Adviser other than those in the ordinary course of its business as described in the Preliminary Prospectus and the Prospectus.

(4) Good Standing. The Adviser has been duly formed and is validly existing in good standing as a limited liability company under the laws of the State of Delaware and has power and authority to own, lease and operate its properties and to conduct its business as described in the Registration Statement, the Preliminary Prospectus and the Prospectus and to enter into and perform its obligations under this Agreement, the Fund Agreements to which it is a party, and the Structuring Fee Agreements; and the Adviser is duly qualified to transact business and is in good standing under the laws of each jurisdiction which requires qualification.

(5) Power and Authority. The Adviser has full power and authority to enter into this Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements; the execution and delivery of, and the performance by the Adviser of its obligations under this Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements have been duly and validly authorized by the Adviser; and this Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements have been duly executed and delivered by the Adviser and constitute the valid and legally binding agreements of the Adviser, enforceable against the Adviser in accordance with their terms, except as rights to indemnity and contribution may be limited by federal or state securities laws and subject to the qualification that the enforceability of the Adviser's obligations hereunder and thereunder may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and other laws relating to or affecting creditors' rights generally and by general equitable principles.

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(6) Description of the Adviser. The description of the Adviser and its business and the statements attributable to the Adviser in the Preliminary Prospectus and Prospectus complied and comply in all material respects with the provisions of the 1933 Act, the 1940 Act, the Advisers Act, the 1940 Act Rules and Regulations and the Advisers Act Rules and Regulations and did not and will not contain an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in light of the circumstances under which they were made, not misleading.

(7) Non-Contravention. Neither the execution, delivery or performance of this Agreement, the Advisory Agreement, the Accounting Agreement or the Structuring Fee Agreements nor the consummation by the Fund or the Adviser of the transactions herein or therein contemplated (i) conflicts or will conflict with or constitutes or will constitute a breach of the Organizational Documents of the Adviser, (ii) conflicts or will conflict with or constitutes or will constitute a breach of or a default under, any agreement, indenture, lease or other instrument to which the Adviser is a party or by which it or any of its properties may be bound or (iii) violates or will violate any statute, law, regulation or filing or judgment, injunction, order or decree applicable to the Adviser or any of its properties or will result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Adviser pursuant to the terms of any agreement or instrument to which the Adviser is a party or by which the Adviser may be bound or to which any of the property or assets of the Adviser is subject.

(8) Agreements' Compliance with Laws. This Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements comply in all material respects with all applicable provisions of the 1940 Act, the 1940 Act Rules and Regulations, the Advisers Act, and the Advisers Act Rules and Regulations.

(9) Absence of Proceedings. There is no action, suit, proceeding, inquiry or investigation before or brought by any court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Adviser, threatened, against or affecting the Adviser which is required to be disclosed in the Preliminary Prospectus and Prospectus (other than as disclosed therein), or that could reasonably be expected to result in an Adviser Material Adverse Effect, or that could reasonably be expected to materially and adversely affect the properties or assets thereof or the consummation of the transactions contemplated in this Agreement or the performance by the Adviser of its obligations under this Agreement, the Advisory Agreement, the Accounting Agreement or the Structuring Fee Agreements; the aggregate of all pending legal or governmental proceedings to which the Adviser is a party or of which any of its property or assets is the subject which are not described in the Preliminary Prospectus or the Prospectus, including ordinary routine litigation incidental to the business, could not reasonably be expected to result in an Adviser Material Adverse Effect.

(10) Absence of Further Requirements. (A) No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or governmental authority or agency, domestic or foreign, and (B) no authorization, approval, vote or other consent of any other person or entity, is necessary or required for the performance by the Adviser of its obligations under this Agreement, the Advisory

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Agreement, the Accounting Agreement or the Structuring Fee Agreements, except such as have been already obtained under the 1933 Act, the 1940 Act, the Rules and Regulations, the rules and regulations of the NASD and the NYSE and such as may be required under state securities laws.

(11) Possession of Permits. The Adviser has such licenses, permits and authorizations of governmental or regulatory authorities ("permits") as are necessary to own its property and to conduct its business in the manner described in the Preliminary Prospectus and the Prospectus; the Adviser has fulfilled and performed all its material obligations with respect to such permits and no event has occurred which allows, or after notice or lapse of time would allow, revocation or termination thereof or results in any other material impairment of the rights of the Adviser under any such permit.

(12) Adviser Compliance with Policies and Procedures. The Adviser has adopted and implemented written policies and procedures under Rule 206(4)-7 of the Advisers Act reasonably designed to prevent violation of the Advisers Act and the Advisers Act Rules by the Adviser and its supervised persons.

(13) Absence of Manipulation. The Adviser has not taken and will not take, directly or indirectly, any action designed to or that would constitute or that might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security to facilitate the sale or resale of the Securities, and the Adviser is not aware of any such action taken or to be taken by any affiliates of the Adviser, other than such actions as taken by the Underwriters that are affiliates of the Adviser, so long as such actions are in compliance with all applicable law.

(c) Certificates. Any certificate signed by any officer of the Fund or the Adviser and delivered to the Representatives or to counsel for the Underwriters shall be deemed a representation and warranty by the Fund or the Adviser, as the case may be, to each Underwriter as to the matters covered thereby.

SECTION 2. Sale and Delivery to Underwriters; Closing.

(a) Initial Securities. On the basis of the representations and warranties herein contained and subject to the terms and conditions herein set forth, the Fund agrees to sell to each Underwriter, severally and not jointly, and each Underwriter, severally and not jointly, agrees to purchase from the Fund, at a purchase price of $_____ per share, the amount of the Initial Securities set forth opposite such Underwriter's name in Exhibit A hereto. The Fund is advised that the Underwriters intend to (i) make a public offering of their respective portions of the Securities as soon after the Applicable Time as is advisable and
(ii) initially to offer the Securities upon the terms set forth in the Preliminary Prospectus and the Prospectus.

(b) Option Securities. Subject to the terms and conditions and in reliance upon the representations and warranties herein set forth, the Fund hereby grants an option to the several Underwriters to purchase, severally and not jointly, up to _____ Option Securities at the same purchase price per share as the Underwriters shall pay for the Initial Securities. Said option may be exercised only to cover over-allotments in the sale of the Initial Securities by the

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Underwriters. Said option may be exercised in whole or in part at any time and from time to time on or before the 45th day after the date of the Prospectus upon written or telegraphic notice by the Representatives to the Fund setting forth the number of shares of the Option Securities as to which the several Underwriters are exercising the option and the settlement date. The number of Option Securities to be purchased by each Underwriter shall be the same percentage of the total number of shares of the Option Securities to be purchased by the several Underwriters as such Underwriter is purchasing of the Initial Securities, subject to such adjustments as you in your absolute discretion shall make to eliminate any fractional shares. Any such time and date of delivery (an "Option Closing Date") shall be determined by the Representatives, but shall not be later than seven full business days after the exercise of said option, nor in any event prior to the Closing Date, as hereinafter defined.

(c) Payment. Payment of the purchase price for the Initial Securities, and delivery of the related closing certificates therefor, shall be made at the offices of Simpson Thacher & Bartlett LLP, or at such other place as shall be agreed upon by the Representatives and the Fund, at 10:00 A.M. (Eastern time) on June 29, 2007 (unless postponed in accordance with the provisions of Section 10), or such other time not later than ten business days after such date as shall be agreed upon by the Representatives and the Fund (such time and date of payment and delivery being herein called "Closing Date").

In addition, in the event that any or all of the Option Securities are purchased by the Underwriters, payment of the purchase price for, and delivery of certificates for, such Option Securities shall be made at the above-mentioned offices, or at such other place as shall be agreed upon by the Representatives and the Fund, on each Option Closing Date as specified in the notice from the Representatives to the Fund.

Delivery of the Securities shall be made to the Representatives for the respective accounts of the several Underwriters against payment by the several Underwriters through the Representatives of the purchase price thereof to or upon the order of the Fund by Federal Funds wire transfer payable in same-day funds to an account specified by the Fund. Delivery of the Initial Securities and the Option Securities shall be made through the facilities of The Depository Trust Company unless the Representatives shall otherwise instruct. Wachovia, individually and not as Representative of the Underwriters, may (but shall not be obligated to) make payment of the purchase price for the Initial Securities or the Option Securities, if any, to be purchased by any Underwriter whose funds have not been received by the Closing Date or the relevant Option Closing Date, as the case may be, but such payment shall not relieve such Underwriter from its obligations hereunder.

(d) Denominations; Registration. Certificates for the Initial Securities and the Option Securities, if any, shall be in such denominations and registered in such names as the Representatives may request in writing at least one full business day before the Closing Date or the relevant Option Closing Date, as the case may be. The certificates for the Initial Securities and the Option Securities, if any, will be made available for examination and packaging by the Representatives in The City of New York not later than noon (Eastern Time) on the business day prior to the Closing Date or the relevant Option Closing Date, as the case may be.

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SECTION 3. Covenants of the Fund and the Adviser. The Fund and the Adviser, jointly and severally, covenant with each Underwriter as follows:

(a) Compliance with Securities Regulations and Commission Requests. The Fund, subject to Section 3(a)(ii), will comply with the requirements of Rule 430A and will notify the Representatives immediately, and confirm the notice in writing, (i) when any post-effective amendment to the Registration Statement shall become effective, or any supplement to the Prospectus or any amended Prospectus shall have been filed, (ii) of the receipt of any comments from the Commission, (iii) of any request by the Commission for any amendment to the Registration Statement or any amendment or supplement to the Prospectus or for additional information, (iv) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement or of any order preventing or suspending the use of any preliminary prospectus, or of the suspension of the qualification of the Securities for offering or sale in any jurisdiction, or of the initiation or threatening of any proceedings for any of such purposes, or of any examination pursuant to Section 8(e) of the 1940 Act concerning the Registration Statement and (v) if the Fund becomes the subject of a proceeding under Section 8A of the 1933 Act in connection with the offering of the Securities. The Fund will use its best efforts in connection with the offering of the Securities to prevent the issuance of any stop order or the suspension of any such qualification and, if issued, to obtain as soon as possible the withdrawal thereof.

(b) Filing of Amendments. The Fund will give the Representatives notice of its intention to file or prepare any amendment to the Registration Statement (including any filing under Rule 462(b)) or any amendment, supplement or revision to either the prospectus included in the Registration Statement at the time it became effective or to the Prospectus, whether pursuant to the 1933 Act or otherwise, or will furnish the Representatives with copies of any such documents within a reasonable amount of time prior to such proposed filing or use, as the case may be, and will not file or use any such document to which the Representatives or counsel for the Underwriters shall object.

(c) Delivery of Registration Statements. The Fund has furnished or will deliver to the Representatives and counsel for the Underwriters, without charge, signed copies of the Registration Statement as originally filed and of each amendment thereto (including exhibits filed therewith) and signed copies of all consents and certificates of experts. The copies of the Registration Statement and each amendment thereto furnished to the Underwriters will be identical to the electronically transmitted copies thereof filed with the Commission pursuant to EDGAR, except to the extent permitted by Regulation S-T.

(d) Delivery of Prospectuses. The Fund has delivered to each Underwriter, without charge, as many copies of each preliminary prospectus prepared prior to the date of this Agreement as such Underwriter reasonably requested, and the Fund hereby consents to the use of such copies for purposes permitted by the 1933 Act. The Fund will furnish to each Underwriter, without charge, such number of copies of the documents constituting the General Disclosure Package prepared on or after the date of this Agreement and the Prospectus (and any amendments or supplements thereto) as such Underwriter may reasonably request. The Preliminary Prospectus and the Prospectus and any amendments or supplements thereto furnished to the Underwriters is or will be, as the case may be, identical to the electronically

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transmitted copies thereof filed with the Commission pursuant to EDGAR, except to the extent permitted by Regulation S-T.

(e) Continued Compliance with Securities Laws. The Fund will comply with the 1933 Act, the 1940 Act and the Rules and Regulations so as to permit the completion of the distribution of the Securities as contemplated in this Agreement and in the Prospectus. If at any time when a prospectus is required by the 1933 Act to be delivered in connection with sales of the Securities (including, without limitation, pursuant to Rule 172), any event shall occur or condition shall exist as a result of which it is necessary, in the opinion of counsel for the Underwriters or for the Fund, to amend the Registration Statement or amend or supplement the Prospectus in order that the Prospectus will not include any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein not misleading in the light of the circumstances existing at the time it is delivered to a purchaser, or if it shall be necessary, in the opinion of such counsel, at any such time to amend the Registration Statement or amend or supplement the Prospectus in order to comply with the requirements of the 1933 Act, the 1940 Act or the Rules and Regulations, the Fund will promptly prepare and file with the Commission, subject to Section 3(b) hereof, such amendment or supplement as may be necessary to correct such statement or omission or to make the Registration Statement or the Prospectus comply with such requirements, and the Fund will furnish to the Underwriters such number of copies of such amendment or supplement as the Underwriters may reasonably request.

(f) Blue Sky Qualifications. The Fund will use its best efforts, in cooperation with the Underwriters, to qualify, if necessary, the Securities for offering and sale under the applicable securities laws of states of the United States, the District of Columbia, Guam, Puerto Rico and the U.S. Virgin Islands as the Representatives may designate and to maintain such qualifications in effect for a period of not less than one year from the date of this Agreement; provided, however, that the Fund shall not be obligated to file any general consent to service of process or to qualify as a foreign corporation or as a dealer in securities in any jurisdiction in which it is not so qualified or to subject itself to taxation in respect of doing business in any jurisdiction in which it is not otherwise so subject.

(g) Rule 158. The Fund will timely file such reports pursuant to the 1934 Act as are necessary in order to make generally available to its security holders as soon as practicable an earnings statement for the purposes of, and to provide to the Underwriters the benefits contemplated by, the last paragraph of
Section 11(a) of the 1933 Act.

(h) Use of Proceeds. The Fund will use the net proceeds received by it from the sale of the Securities in the manner specified in the Prospectus under "Use of Proceeds."

(i) Reporting Requirements. The Fund, during the period when the Prospectus is required to be delivered under the 1933 Act, the 1940 Act or the Rules and Regulations, will file all documents required to be filed with the Commission pursuant to the 1933 Act, the 1940 Act or the Rules and Regulations within the time periods required by the 1934 Act, the 1940 Act or the Rules and Regulations.

(j) Subchapter M. The Fund will comply with the requirements of Subchapter M of the Code to qualify as a regulated investment company under the Code.

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(k) Absence of Manipulation. Except as stated in this Agreement and the Preliminary Prospectus and Prospectus, the Fund and the Adviser have not taken and will not take, directly or indirectly, any action designed to or that would constitute or that might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security to facilitate the sale or resale of the Securities, and the Fund and the Adviser are not aware of any such action taken or to be taken by any affiliates of the Fund or the Adviser, other than such actions as taken by the Underwriters that are affiliates of the Fund or the Adviser, so long as such actions are in compliance with all applicable law.

(l) Restriction on Sale of Securities. The Fund will not, without the prior written consent of Wachovia, offer, sell, contract to sell, pledge, or otherwise dispose of, or enter into any transaction which is designed to, or might reasonably be expected to, result in the disposition (whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the Fund or any affiliate of the Fund or any person in privity with the Fund, directly or indirectly, including the filing (or participation in the filing) of a registration statement with the Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16 of the Exchange Act, any other Securities or any securities convertible into, or exercisable, or exchangeable for, Securities; or publicly announce an intention to effect any such transaction for a period of 180 days following the Execution Time, provided, however, that the Fund may issue and sell Securities pursuant to any dividend reinvestment plan of the Fund in effect at the Execution Time.

SECTION 4. Payment of Expenses.

(a) Expenses. The Fund will pay all expenses incident to the performance of its obligations under this Agreement, including (i) the preparation, printing and filing of the Registration Statement (including financial statements and exhibits) as originally filed and of each amendment thereto, (ii) the word processing, printing and delivery to the Underwriters of this Agreement, any Agreement among Underwriters and such other documents as may be required in connection with the offering, purchase, sale, issuance or delivery of the Securities, (iii) the preparation, issuance and delivery of the certificates for the Securities to the Underwriters, including any stock or other transfer taxes and any stamp or other duties payable upon the sale, issuance or delivery of the Securities to the Underwriters, (iv) the fees and disbursements of the counsel, accountants and other advisors to the Fund, (v) the qualification of the Securities under securities laws in accordance with the provisions of Section 3(f) hereof, including filing fees and the reasonable fees and disbursements of counsel for the Underwriters in connection therewith and in connection with the preparation of the Blue Sky Survey and any supplements thereto, (vi) the printing and delivery to the Underwriters of copies of each preliminary prospectus, the documents constituting the General Disclosure Package, the Prospectus and the 1940 Act Notification, any sales material and any amendments or supplements thereto, (vii) the preparation, printing and delivery to the Underwriters of copies of the Blue Sky Survey and any supplements thereto,
(viii) the fees and expenses of the custodian and the transfer agent and registrar for the Securities, (ix) the filing fees incident to, and the reasonable fees and disbursements of counsel to the Underwriters in connection with, the review by the NASD of the terms of the sale of the Securities, (x) the transportation and other expenses incurred in connection with presentations to prospective purchasers of the Securities, (xi) the fees

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and expenses incurred in connection with the listing of the Securities on the NYSE and (xii) all other costs and expenses incident to the performance by the Fund of its obligations hereunder. To the extent that the foregoing costs and expenses incidental to the performance of the obligations of the Fund under this Agreement exceed $0.03 per share, the Adviser will pay all such costs and expenses.

(b) Termination of Agreement. If this Agreement is terminated by the Representatives in accordance with the provisions of Section 5 or Section 9(a)(i) hereof, the Fund and the Adviser, jointly and severally, agree that they shall reimburse the Underwriters for all of their out-of-pocket expenses, including the reasonable fees and disbursements of counsel for the Underwriters.

SECTION 5. Conditions of Underwriters' Obligations. The obligations of the Underwriters to purchase the Initial Securities and the Option Securities, as the case may be, shall be subject to the accuracy of the representations and warranties on the part of the Fund and the Adviser contained herein as of the Applicable Time, the Closing Date and any Option Closing Date pursuant to
Section 4 hereof, to the accuracy of the statements of the Fund and the Adviser made in any certificates pursuant to the provisions hereof, to the performance by the Fund and the Adviser of their respective covenants and other obligations hereunder and to the following additional conditions:

(a) Effectiveness of Registration Statement. The Registration Statement, including any Rule 462(b) Registration Statement, has become effective and at Closing Date (or the applicable Option Closing Date, as the case may be) no stop order suspending the effectiveness of the Registration Statement shall have been issued under the 1933 Act or any notice objecting to its use or order pursuant to Section 8(e) of the 1940 Act shall have been issued and proceedings therefor initiated or, to the knowledge of the Fund, threatened by the Commission, and any request on the part of the Commission for additional information shall have been complied with to the reasonable satisfaction of counsel to the Underwriters. A prospectus containing the Rule 430A Information shall have been filed with the Commission in accordance with Rule 497 or a post-effective amendment providing such information shall have been filed and declared effective in accordance with the requirements of Rule 430A.

(b) Opinion of Counsel for Fund. At the Closing Date, the Representatives shall have received the favorable opinion, dated as of the Closing Date, of Vedder, Price, Kaufman & Kammholz, P.C., counsel for the Fund ("Fund Counsel"), in form and substance satisfactory to counsel for the Underwriters, together with signed or reproduced copies of such letter for each of the other Underwriters, to the effect set forth in Exhibit B hereto and to such further effect as counsel to the Underwriters may reasonably request. Insofar as the opinion expressed above relates to or is dependent upon matters governed by Delaware law, Vedder, Price, Kaufman & Kammholz, P.C. will be permitted to rely on the opinion of Morris, Nichols, Arsht & Tunnell.

(c) Opinion of Counsel for Underwriters. At Closing Date, the Representatives shall have received the favorable opinion, dated as of Closing Date, of Simpson Thacher & Bartlett LLP, counsel for the Underwriters, together with signed or reproduced copies of such letter for each of the other Underwriters, in form and substance satisfactory to the Representatives. Insofar as the opinion expressed above relates to or is dependent upon matters governed by

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Delaware law, Simpson Thacher & Bartlett LLP will be permitted to rely on the opinion of Morris, Nichols, Arsht & Tunnell.

(d) Certificate of the Fund. At the Closing Date or the applicable Option Closing Date, as the case may be, there shall not have been, since the date hereof or since the respective dates as of which information is given in the Prospectus or the General Disclosure Package (exclusive of any amendments or supplements thereto subsequent to the date of this Agreement), any Fund Material Adverse Effect, and, at the Closing Date, the Representatives shall have received a certificate of the Chairman, the President, the Chief Executive Officer or an Executive Vice President or Senior Vice President of the Fund and of the Chief Financial Officer or Chief Accounting Officer of the Fund, dated as of the Closing Date, to the effect that (i) there has been no such Fund Material Adverse Effect, (ii) the representations and warranties of the Fund in this Agreement are true and correct with the same force and effect as though expressly made at and as of the Closing Date, (iii) the Fund has complied with all agreements and satisfied all conditions on its part to be performed or satisfied at or prior to the Closing Date under or pursuant to this Agreement, and (iv) no stop order suspending the effectiveness of the Registration Statement or order of suspension or revocation of registration pursuant to
Section 8(e) of the 1940 Act has been issued, and no proceedings for that purpose have been instituted or are pending or, to their knowledge, are contemplated by the Commission.

(e) Opinion of Counsel for the Adviser. At the Closing Date, the Representatives shall have received the favorable opinion, dated as of the Closing Date, of Vedder, Price, Kaufman & Kammholz, P.C., counsel for the Adviser, in form and substance satisfactory to counsel for the Underwriters, together with signed or reproduced copies of such letter for each of the other Underwriters, to the effect set forth in Exhibit C hereto and to such further effect as counsel to the Underwriters may reasonably request.

(f) Certificate of the Adviser. At the Closing Date or the applicable Option Closing Date, as the case may be, there shall not have been, since the date hereof or since the respective dates as of which information is given in the Prospectus or the General Disclosure Package (exclusive of any amendments or supplements thereto subsequent to the date of this Agreement), any Adviser Material Adverse Effect, and, at the Closing Date, the Representatives shall have received a certificate of the Chairman, the President, the Chief Executive Officer or an Executive Vice President or Senior Vice President of the Adviser and of the Chief Financial Officer or Chief Accounting Officer of the Adviser, dated as of the Closing Date, to the effect that (i) there has been no such Adviser Material Adverse Effect, (ii) the representations and warranties of the Adviser in this Agreement are true and correct with the same force and effect as though expressly made at and as of the Closing Date, (iii) the Adviser has complied with all agreements and satisfied all conditions on its part to be performed or satisfied at or prior to the Closing Date under or pursuant to this Agreement, and (iv) no stop order suspending the effectiveness of the Registration Statement or order of suspension or revocation of registration pursuant to Section 8(e) of the 1940 Act has been issued and no proceedings for that purpose have been instituted or are pending or, to their knowledge, are contemplated by the Commission.

(g) Accountant's Comfort Letter. At the time of the execution of this Agreement, the Representatives shall have received from Deloitte & Touche LLP a letter, dated the date of this Agreement and in form and substance satisfactory to the Representatives, together with signed or

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reproduced copies of such letter for each of the other Underwriters, containing statements and information of the type ordinarily included in accountants' "comfort letters" to underwriters with respect to the financial statements and certain financial information of the Fund contained in the Registration Statement or the Prospectus.

(h) Bring-down Comfort Letter. At the Closing Date, the Representatives shall have received from Deloitte & Touche LLP a letter, dated as of the Closing Date and in form and substance satisfactory to the Representatives, to the effect that they reaffirm the statements made in the letter furnished pursuant to subsection (g) of this Section, except that the specified date referred to shall be a date not more than three business days prior to the Closing Date.

(i) No Objection. Prior to the date of this Agreement, NASD Regulation Inc. shall have confirmed that it has no objection with respect to the fairness and reasonableness of the underwriting terms and arrangements.

(j) Conditions to Purchase of Option Securities. In the event that the Underwriters exercise their option provided in Section 2(b) hereof to purchase all or any portion of the Option Securities on any Option Closing Date that is after the Closing Date, the obligations of the several Underwriters to purchase the applicable Option Securities shall be subject to the conditions specified in the introductory paragraph of this Section 5 and to the further condition that, at the applicable Option Closing Date, the Representatives shall have received:

(1) Officers' Certificate. A certificate, dated such Option Closing Date, to the effect set forth in, and signed by two of the officers specified in, Section 5(d) hereof, except that the references in such certificate to the Closing Date shall be changed to refer to such Option Closing Date.

(2) Opinion of Counsel for Fund. The favorable opinion of Fund Counsel in form and substance satisfactory to counsel for the Underwriters, dated such Option Closing Date, relating to the Option Securities to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 5(b) hereof.

(3) Opinion of Counsel for Underwriters. The favorable opinion of Simpson Thacher & Bartlett LLP, counsel for the Underwriters, dated such Option Closing Date, relating to the Option Securities to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 5(c) hereof.

(4) Opinion of Counsel for the Adviser. The favorable opinion of Vedder, Price, Kaufman & Kamholz, P.C., counsel for the Adviser, dated such Option Closing Date, relating to the Option Securities to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 5(e) hereof.

(5) Certificate of the Adviser. A certificate, dated such Option Closing Date, to the effect set forth in, and signed by two of the officers specified

19

in, Section 5(f) hereof, except that the references in such certificate to the Closing Date shall be changed to refer to such Option Closing Date.

(6) Bring-down Comfort Letter. A letter from Deloitte & Touche LLP, in form and substance satisfactory to the Representatives and dated such Option Closing Date, substantially in the same form and substance as the letter furnished to the Representatives pursuant to
Section 5(j) hereof, except that the "specified date" in the letter furnished pursuant to this paragraph shall be a date not more than five days prior to such Option Closing Date.

(k) Additional Documents. At the Closing Date and at each Option Closing Date, counsel for the Underwriters shall have been furnished with such documents and opinions as they may require for the purpose of enabling them to pass upon the issuance and sale of the Securities as herein contemplated, or in order to evidence the accuracy of any of the representations or warranties, or the fulfillment of any of the conditions, contained in this Agreement; and all proceedings taken by the Fund and the Adviser in connection with the issuance and sale of the Securities as herein contemplated and in connection with the other transactions contemplated by this Agreement shall be satisfactory in form and substance to the Representatives and counsel for the Underwriters.

(l) Delivery of Documents. The documents required to be delivered by this
Section 5 shall be delivered at the office of Simpson Thacher & Bartlett LLP, counsel for the Underwriters, at 425 Lexington Avenue, New York, New York, on the Closing Date and at each Option Closing Date.

(m) Termination of Agreement. If any condition specified in this Section 5 shall not have been fulfilled when and as required to be fulfilled, this Agreement, or, in the case of any condition to the purchase of Option Securities on an Option Closing Date which is after the Closing Date, the obligations of the several Underwriters to purchase the relevant Option Securities, may be terminated by the Representatives by notice to the Fund.

SECTION 6. Indemnification.

(a) Indemnification by the Fund and the Adviser. The Fund and the Adviser, jointly and severally, agree to indemnify and hold harmless each Underwriter and each person, if any, who controls any Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act as follows:

(i) against any and all loss, liability, claim, damage and expense whatsoever, as incurred, arising out of any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement (or any amendment thereto), or the omission or alleged omission therefrom of a material fact required to be stated therein or necessary to make the statements therein not misleading, or arising out of any untrue statement or alleged untrue statement of a material fact included in any preliminary prospectus, any sales material, the Preliminary Prospectus or the Prospectus (or any amendment or supplement thereto), or the omission or alleged omission therefrom of a material fact

20

necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading;

(ii) against any and all loss, liability, claim, damage and expense whatsoever, as incurred, to the extent of the aggregate amount paid in settlement of any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or of any claim whatsoever based upon any such untrue statement or omission, or any such alleged untrue statement or omission; provided that (subject to Section 6(e) below) any such settlement is effected with the written consent of the Fund and the Adviser; and

(iii) against any and all expense whatsoever, as incurred (including the fees and disbursements of counsel chosen by Wachovia), reasonably incurred in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever based upon any such untrue statement or omission, or any such alleged untrue statement or omission, to the extent that any such expense is not paid under (i) or (ii) above,

provided, however, that this indemnity agreement shall not apply to any loss, liability, claim, damage or expense to the extent arising out of any untrue statement or omission or alleged untrue statement or omission made in reliance upon and in conformity with written information furnished to the Fund or the Adviser by any Underwriter through Wachovia expressly for use in the Registration Statement (or any amendment thereto), or in any preliminary prospectus, any sales material, the Preliminary Prospectus or the Prospectus (or any amendment or supplement thereto).

(b) Indemnification by the Underwriters. Each Underwriter severally agrees to indemnify and hold harmless each of the Fund and the Adviser, each of their directors, trustees, members, each of their officers who signed the Registration Statement, and each person, if any, who controls the Fund or the Adviser within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act against any and all loss, liability, claim, damage and expense described in the indemnity contained in subsection (a) of this Section 6, as incurred, but only with respect to untrue statements or omissions, or alleged untrue statements or omissions, made in the Registration Statement (or any amendment thereto), or any preliminary prospectus, any sales material, the Preliminary Prospectus or the Prospectus (or any amendment or supplement thereto) in reliance upon and in conformity with written information furnished to the Fund or the Adviser by such Underwriter through Wachovia expressly for use in the Registration Statement (or any amendment thereto) or such preliminary prospectus, any sales material, the Preliminary Prospectus or the Prospectus (or any amendment or supplement thereto). The Fund and the Adviser acknowledge that the statements set forth (i) in the last paragraph of the cover page regarding delivery of the Securities,
(ii) under the heading "Underwriting", (iii) the list of Underwriters and their respective participation in the sale of the Securities, (iv) the sentences related to concessions and reallowances and (v) the paragraph related to prospectuses in electronic format in any Preliminary Prospectus and the Prospectus constitute the only information furnished in writing by or on behalf of the several Underwriters for inclusion in any Preliminary Prospectus or the Prospectus.

21

(c) Actions against Parties; Notification. Each indemnified party shall give notice as promptly as reasonably practicable to each indemnifying party of any action commenced against it in respect of which indemnity may be sought hereunder, but failure to so notify an indemnifying party shall not relieve such indemnifying party from any liability hereunder to the extent it is not materially prejudiced as a result thereof and in any event shall not relieve it from any liability which it may have otherwise than on account of this indemnity agreement. Counsel to the indemnified parties shall be selected as follows:
counsel to the Underwriters and each person, if any, who controls any Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act shall be selected by Wachovia; counsel to the Fund, its directors, trustees, members, each of its officers who signed the Registration Statement and each person, if any, who controls the Fund within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act shall be selected by the Fund; and counsel to the Adviser and each person, if any, who controls such Adviser within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act shall be selected by such Adviser. An indemnifying party may participate at its own expense in the defense of any such action; provided, however, that counsel to the indemnifying party shall not (except with the consent of the indemnified party) also be counsel to the indemnified party. In no event shall the indemnifying parties be liable for the fees and expenses of more than one counsel (in addition to any local counsel) separate from their own counsel for the Underwriters and each person, if any, who controls any Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act, the fees and expenses of more than one counsel (in addition to any local counsel) separate from their own counsel for the Fund, each of their directors, trustees, members, each of its officers who signed the Registration Statement and each person, if any, who controls the Fund within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act, the fees and expenses of more than one counsel (in addition to any local counsel) separate from their own counsel for the Adviser, and the fees and expenses of more than one counsel, in each case in connection with any one action or separate but similar or related actions in the same jurisdiction arising out of the same general allegations or circumstances. No indemnifying party shall, without the prior written consent of the indemnified parties, settle or compromise or consent to the entry of any judgment with respect to any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever in respect of which indemnification or contribution could be sought under this Section 6 or Section 7 hereof (whether or not the indemnified parties are actual or potential parties thereto), unless such settlement, compromise or consent (i) includes an unconditional release of each indemnified party from all liability arising out of such litigation, investigation, proceeding or claim and
(ii) does not include a statement as to or an admission of fault, culpability or a failure to act by or on behalf of any indemnified party.

(d) Settlement Without Consent if Failure to Reimburse. If at any time an indemnified party shall have requested an indemnifying party to reimburse the indemnified party for fees and expenses of counsel, such indemnifying party agrees that it shall be liable for any settlement of the nature contemplated by
Section 6(a)(ii) effected without its written consent if (i) such settlement is entered into more than 45 days after receipt by such indemnifying party of the aforesaid request, (ii) such indemnifying party shall have received notice of the terms of such settlement at least 30 days prior to such settlement being entered into and (iii) such indemnifying party shall not have reimbursed such indemnified party in accordance with such request prior to the date of such settlement.

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(e) Other Agreements with Respect to Indemnification and Contribution. The provisions of this Section 6 and in Section 7 hereof shall not affect any agreements among the Fund and the Adviser with respect to indemnification of each other or contribution between themselves.

SECTION 7. Contribution. If the indemnification provided for in Section 6 hereof is for any reason unavailable to or insufficient to hold harmless an indemnified party in respect of any losses, liabilities, claims, damages or expenses referred to therein, then each indemnifying party shall contribute to the aggregate amount of such losses, liabilities, claims, damages and expenses incurred by such indemnified party, as incurred, (i) in such proportion as is appropriate to reflect the relative benefits received by the Fund and the Adviser on the one hand and the Underwriters on the other hand from the offering of the Securities pursuant to this Agreement or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Fund and the Adviser on the one hand and of the Underwriters on the other hand in connection with the statements or omissions which resulted in such losses, liabilities, claims, damages or expenses, as well as any other relevant equitable considerations.

The relative benefits received by the Fund and the Adviser on the one hand and the Underwriters on the other hand in connection with the offering of the Securities pursuant to this Agreement shall be deemed to be in the same respective proportions as the total net proceeds from the offering of the Securities pursuant to this Agreement (before deducting expenses) received by the Fund and the Adviser and the total underwriting discounts and commissions received by the Underwriters, in each case as set forth on the cover of the Prospectus, bear to the aggregate initial public offering price of the Securities as set forth on such cover.

The relative fault of the Fund and the Adviser on the one hand and the Underwriters on the other hand shall be determined by reference to, among other things, whether any such untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by the Fund, by the Adviser or by the Underwriters and the parties' relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission.

The Fund, the Adviser and the Underwriters agree that it would not be just and equitable if contribution pursuant to this Section 7 were determined by pro rata allocation (even if the Underwriters were treated as one entity for such purpose) or by any other method of allocation which does not take account of the equitable considerations referred to above in this Section 7. The aggregate amount of losses, liabilities, claims, damages and expenses incurred by an indemnified party and referred to above in this Section 7 shall be deemed to include any legal or other expenses reasonably incurred by such indemnified party in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever based upon any such untrue or alleged untrue statement or omission or alleged omission.

Notwithstanding the provisions of this Section 7, no Underwriter shall be required to contribute any amount in excess of the amount by which the total price at which the Securities underwritten by it and distributed to the public were offered to the public exceeds the amount of

23

any damages which such Underwriter has otherwise been required to pay by reason of any such untrue or alleged untrue statement or omission or alleged omission.

No person guilty of fraudulent misrepresentation (within the meaning of
Section 11(f) of the 1933 Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation.

For purposes of this Section 7, each person, if any, who controls an Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act and each director, trustee, member, officer, employee and agent of an Underwriter shall have the same rights to contributions as such Underwriters, and each person who controls the Fund or the Adviser within the meaning of
Section 15 of the 1933 Act or Section 20 of the 1934 Act, each officer of the Fund and the Adviser and each trustee, director or member of the Fund and the Adviser shall have the same rights to contribution as the Fund and the Adviser. The Underwriters' respective obligations to contribute pursuant to this Section 7 are several in proportion to the number of Initial Securities set forth opposite their respective names in Exhibit A hereto and not joint.

SECTION 8. Representations, Warranties and Agreements to Survive Delivery. All representations, warranties and agreements contained in this Agreement or in certificates of officers of the Fund or signed by or on behalf of the Adviser submitted pursuant hereto, shall remain operative and in full force and effect, regardless of any investigation made by or on behalf of any Underwriter or controlling person, or by or on behalf of the Fund, or by or on behalf of the Adviser, and shall survive delivery of the Securities to the Underwriters.

SECTION 9. Termination of Agreement.

(a) Termination; General. The Representatives may terminate this Agreement, by notice to the Fund or the Adviser, at any time on or prior to the Closing Date (and, if any Option Securities are to be purchased on an Option Closing Date which occurs after the Closing Date, the Representatives may terminate the obligations of the several Underwriters to purchase such Option Securities, by notice to the Fund, at any time on or prior to such Option Closing Date) (i) if there has been, since the time of execution of this Agreement or since the respective dates as of which information is given in the Prospectus or the General Disclosure Package, any Fund Material Adverse Effect or Adviser Material Adverse Effect, or (ii) if there has occurred any material adverse change in the financial markets in the United States or the international financial markets, any outbreak of hostilities or escalation thereof or other calamity or crisis or any change or development involving a prospective change in national or international political, financial or economic conditions, in each case the effect of which is such as to make it, in the judgment of the Representatives, impracticable or inadvisable to market the Securities or to enforce contracts for the sale of the Securities, or (iii) if trading in any securities of the Fund has been suspended or materially limited by the Commission or the NYSE, or if trading generally on the NYSE or in the Nasdaq National Market has been suspended or materially limited, or minimum or maximum prices for trading have been fixed, or maximum ranges for prices have been required, by any of said exchanges or by such system or by order of the Commission, the NASD or any other governmental authority, or a material disruption has occurred in commercial banking or securities settlement or clearance services in the United States or
(iv) if a banking moratorium has been declared by either Federal or New York authorities.

24

(b) Liabilities. If this Agreement is terminated pursuant to this Section 9, such termination shall be without liability of any party to any other party except as provided in Section 4 hereof, and provided further that Sections 1, 6, 7 and 8 hereof shall survive such termination and remain in full force and effect.

SECTION 10. Default by One or More of the Underwriters. If one or more of the Underwriters shall fail at the Closing Date or an Option Closing Date to purchase the Securities which it or they are obligated to purchase under this Agreement (the "Defaulted Securities"), the Representatives shall have the right, within 24 hours thereafter, to make arrangements for one or more of the non-defaulting Underwriters, or any other underwriters, to purchase all, but not less than all, of the Defaulted Securities in such amounts as may be agreed upon and upon the terms herein set forth; if, however, the Representatives shall not have completed such arrangements within such 24-hour period, then:

(a) if the number of Defaulted Securities does not exceed 10% of the number of Securities to be purchased on such date, each of the non-defaulting Underwriters shall be obligated, severally and not jointly, to purchase the full amount thereof in the proportions that their respective underwriting obligations hereunder bear to the underwriting obligations of all non-defaulting Underwriters; or

(b) if the number of Defaulted Securities exceeds 10% of the number of Securities to be purchased on such date, this Agreement or, with respect to any Option Closing Date which occurs after the Closing Date, the obligation of the Underwriters to purchase and of the Fund to sell the Option Securities that were to have been purchased and sold on such Option Closing Date, shall terminate without liability on the part of any non-defaulting Underwriter.

No action taken pursuant to this Section 10 shall relieve any defaulting Underwriter from liability in respect of its default.

In the event of any such default which does not result in a termination of this Agreement or, in the case of an Option Closing Date which is after the Closing Date, which does not result in a termination of the obligation of the Underwriters to purchase and the Fund to sell the relevant Option Securities, as the case may be, the Representatives shall have the right to postpone Closing Date or the relevant Option Closing Date, as the case may be, for a period not exceeding seven days in order to effect any required changes in the Registration Statement or Prospectus or in any other documents or arrangements. As used herein, the term "Underwriter" includes any person substituted for an Underwriter under this Section 10.

SECTION 11. Notices. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly given if mailed or transmitted by any standard form of telecommunication. Notices to the Underwriters shall be directed to the Representatives at Wachovia Capital Markets, LLC, 375 Park Avenue, New York, New York 10152, Attention: Equity Syndicate; notices to the Fund and the Adviser shall be directed to them at c/o Calamos Advisors LLC, 2020 Calamos Court, Naperville, Illinois 60563, Attention:
General Counsel (fax no.: (630) 245-6343).

25

SECTION 12. Parties. This Agreement shall inure to the benefit of and be binding upon the Underwriters, the Fund and the Adviser and their respective successors. Nothing expressed or mentioned in this Agreement is intended or shall be construed to give any person, firm or corporation, other than the Underwriters, the Fund and the Adviser and their respective successors and the controlling persons and directors, officers, members and trustees referred to in Sections 6 and 7 and their heirs and legal representatives, any legal or equitable right, remedy or claim under or in respect of this Agreement or any provision herein contained. This Agreement and all conditions and provisions hereof are intended to be for the sole and exclusive benefit of the Underwriters, the Fund and the Adviser and their respective successors, and said controlling persons and officers and directors and their heirs and legal representatives, and for the benefit of no other person, firm or corporation. No purchaser of Securities from any Underwriter shall be deemed to be a successor by reason merely of such purchase.

SECTION 13. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

SECTION 14. Effect of Headings. The Section and Exhibit headings herein are for convenience only and shall not affect the construction hereof.

SECTION 15. Definitions. As used in this Agreement, the following terms have the respective meanings set forth below:

"Advisers Act" means the Investment Advisers Act of 1940, as amended.

"Advisers Act Rules and Regulations" means the rules and regulations of the Commission under the Advisers Act.

"Adviser Material Adverse Effect" means a material adverse change in the condition, financial or otherwise, or in the earnings, business affairs or business prospects of the Adviser, whether or not arising in the ordinary course of business.

"Applicable Time" means the date and time that this Agreement is executed and delivered by the parties hereto.

"Commission" means the Securities and Exchange Commission.

"Declaration of Trust" means the Agreement and Declaration of Trust of Calamos Global Dynamic Income Fund dated as of March 30, 2007, and any amendments thereto.

"EDGAR" means the Commission's Electronic Data Gathering, Analysis and Retrieval System.

"Fund Material Adverse Effect" means a material adverse change in the condition, financial or otherwise, or in the earnings, business affairs or business prospects of the Fund, whether or not arising in the ordinary course of business.

"GAAP" means generally accepted accounting principles.

26

"Initial Registration Statement" means the Fund's registration statement (File Nos. 333-142056 and 811-22047) on Form N-2 (including the statement of additional information incorporated by reference therein), as amended (if applicable), at the time it became effective, including the Rule 430A Information.

"NASD" means the National Association of Securities Dealers, Inc., or any successor entity.

"NYSE" means the New York Stock Exchange.

"Organizational Documents" means (a) in the case of a corporation, its charter and by-laws; (b) in the case of a limited or general partnership, its partnership certificate, certificate of formation or similar organizational document and its partnership agreement; (c) in the case of a limited liability company, its articles of organization, certificate of formation or similar organizational documents and its operating agreement, limited liability company agreement, membership agreement or other similar agreement; (d) in the case of a trust, its certificate of trust, certificate of formation or similar organizational document and its trust agreement or other similar agreement; and
(e) in the case of any other entity, the organizational and governing documents of such entity.

"preliminary prospectus" means any prospectus (including the statement of additional information incorporated by reference therein) used in connection with the offering of the Securities that was used before the Initial Registration Statement became effective, or that was used after such effectiveness and prior to the execution and delivery of this Agreement, or that omitted the Rule 430A Information or that was captioned "Subject to Completion".

"Preliminary Prospectus" shall mean the preliminary prospectus (including the statement of additional information incorporated by reference therein) dated May 25, 2007 and any preliminary prospectus (including the statement of additional information incorporated by reference therein) included in the Registration Statement at the Applicable Time that omits Rule 430A Information.

"Prospectus" shall mean the prospectus (including the statement of additional information incorporated by reference therein) relating to the Securities that is first filed pursuant to Rule 497 after the Applicable Time.

"Registration Statement" means the Initial Registration Statement; provided that, if a Rule 462(b) Registration Statement is filed with the Commission, then the term "Registration Statement" shall also include such Rule 462(b) Registration Statement.

"Rule 172," "Rule 497," "Rule 430A," "Rule 433" and "Rule 462(b)" refer to such rules under the 1933 Act.

"Rule 430A Information" means the information included in the Prospectus that was omitted from the Initial Registration Statement at the time it became effective but that is deemed to be a part of the Initial Registration Statement at the time it became effective pursuant to Rule 430A.

27

"Rule 462(b) Registration Statement" means a registration statement filed by the Fund pursuant to Rule 462(b) for the purpose of registering any of the Securities under the 1933 Act, including the Rule 430A Information.

"Rules and Regulations" means, collectively, the 1933 Act Rules and Regulations and the 1940 Act Rules and Regulations.

"Sarbanes-Oxley Act" means the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated thereunder or implementing the provisions thereof.

"1933 Act" means the Securities Act of 1933, as amended.

"1933 Act Rules and Regulations" means the rules and regulations of the Commission under the 1933 Act.

"1934 Act" means the Securities Exchange Act of 1934, as amended.

"1934 Act Rules and Regulations" means the rules and regulations of the Commission under the 1934 Act.

"1940 Act" means the Investment Company Act of 1940, as amended.

"1940 Act Notification" means a notification of registration of the Fund as an investment company under the 1940 Act on Form N-8A, as the 1940 Act Notification may be amended from time to time.

"1940 Act Rules and Regulations" means the rules and regulations of the Commission under the 1940 Act.

All references in this Agreement to the Registration Statement, the Initial Registration Statement, any Rule 462(b) Registration Statement, any preliminary prospectus, the Preliminary Prospectus, the Prospectus or any amendment or supplement to any of the foregoing shall be deemed to include the copy filed with the Commission pursuant to EDGAR.

SECTION 16. Absence of Fiduciary Relationship. Each of the Fund and the Adviser acknowledges and agrees that:

(a) Each of the Underwriters is acting solely as an underwriter in connection with the public offering of the Securities and no fiduciary, advisory or agency relationship between the Fund or the Adviser, on the one hand, and any of the Underwriters, on the other hand, has been or will be created in respect of any of the transactions contemplated by this Agreement, irrespective of whether or not any of the Underwriters have advised or is advising the Fund or the Adviser on other matters and none of the Underwriters has any obligation to the Fund or the Adviser with respect to the transactions contemplated by this Agreement except the obligations expressly set forth in this Agreement;

28

(b) the public offering price of the Securities and the price to be paid by the Underwriters for the Securities set forth in this Agreement were established by the Fund following discussions and arms-length negotiations with the Representatives;

(c) it is capable of evaluating and understanding, and understands and accepts, the terms, risks and conditions of the transactions contemplated by this Agreement;

(d) in connection with each transaction contemplated by this Agreement and the process leading to such transactions, each Underwriter is and has been acting solely as principal and not as fiduciary, advisor or agent of the Fund or the Adviser or any of their respective affiliates;

(e) none of the Underwriters has provided any legal, accounting, regulatory or tax advice to the Fund or the Adviser with respect to the transactions contemplated by this Agreement and it has consulted its own legal, accounting, regulatory and tax advisers to the extent it has deemed appropriate;

(f) it is aware that the Underwriters and their respective affiliates are engaged in a broad range of transactions which may involve interests that differ from those of the Fund and the Adviser, and that none of the Underwriters has any obligation to disclose such interests and transactions to the Fund or the Adviser by virtue of any fiduciary, advisory or agency relationship; and

(g) it waives, to the fullest extent permitted by law, any claims it may have against any of the Underwriters for breach of fiduciary duty or alleged breach of fiduciary duty and agrees that none of the Underwriters shall have any liability (whether direct or indirect, in contract, tort or otherwise) to it in respect of such a fiduciary duty claim or to any person asserting a fiduciary duty claim on its behalf or on behalf of the Fund or the Adviser.

[SIGNATURE PAGE FOLLOWS]

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If the foregoing is in accordance with your understanding of our agreement, please sign and return to the Fund and the Adviser a counterpart hereof, whereupon this instrument, along with all counterparts, will become a binding agreement among the Underwriters, the Fund and the Adviser in accordance with its terms.

Very truly yours,

CALAMOS GLOBAL DYNAMIC INCOME FUND

By

Name:
Title:

CALAMOS ADVISORS LLC

By

Name:
Title:

CONFIRMED AND ACCEPTED, as of the
date first above written:

WACHOVIA CAPITAL MARKETS, LLC
CITIGROUP GLOBAL MARKETS INC.
ROBERT W. BAIRD & CO. INCORPORATED
CROWELL, WEEDON & CO.
FERRIS, BAKER WATTS, INCORPORATED
H&R BLOCK FINANCIAL ADVISORS, INC.
JANNEY MONTGOMERY SCOTT LLC
RBC CAPITAL MARKETS CORPORATION
RYAN BECK & CO., INC.
SOUTHWEST SECURITIES, INC.
STIFEL, NICOLAUS & COMPANY, INCORPORATED
WEDBUSH MORGAN SECURITIES INC.
WELLS FARGO SECURITIES, LLC

By: WACHOVIA CAPITAL MARKETS, LLC

By:

Authorized Signatory

For themselves and as Representatives of the Underwriters named in Exhibit A hereto.

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EXHIBIT A

Name of Underwriter                           Number of Initial Securities
-------------------                           ----------------------------
Wachovia Capital Markets, LLC..............
Citigroup Global Markets Inc.
Robert W. Baird & Co. Incorporated
Crowell, Weedon & Co.
Ferris, Baker Watts, Incorporated
H&R Block Financial Advisors, Inc.
Janney Montgomery Scott LLC
RBC Capital Markets Corporation
Ryan Beck & Co., Inc.
Southwest Securities, Inc.
Stifel, Nicolaus & Company, Incorporated
Wedbush Morgan Securities Inc.
Wells Fargo Securities, LLC

[OTHER UNDERWRITERS].......................
                                              ----------------------------
Total......................................
                                              ============================

A-1

EXHIBIT B

FORM OF OPINION OF VEDDER, PRICE, KAUFMAN & KAMHOLZ, P.C.

1. The Fund has been duly formed and is validly existing in good standing as a statutory trust under the Delaware Act, with full power and authority to own, lease and operate its properties and to conduct its business as described in the Registration Statement, the Preliminary Prospectus and the Prospectus.

2. The Fund is duly registered with the Commission pursuant to Section 8 of the 1940 Act as a closed-end, diversified management investment company and the 1940 Act Notification has been duly filed with the Commission; all action has been taken by the Fund as required by the 1933 Act, the 1940 Act, and the Rules and Regulations to permit the Fund to issue and sell the Securities to make the public offering and consummate the sale of the Securities as contemplated by the Underwriting Agreement; the Underwriting Agreement and each of the Fund Agreements complies in all material respects with all applicable provisions of the 1933 Act, the 1940 Act, the Advisers Act, the Rules and Regulations, and the Advisers Act Rules and Regulations; and the Fund has not received any notice from the Commission pursuant to Section 8(e) of the 1940 Act with respect to the 1940 Act Notification or the Registration Statement.

3. The Fund's Declaration of Trust and by-laws comply in all material respects with the 1940 Act and the 1940 Act Rules and Regulations.

4. The Fund has full power and authority to enter into the Underwriting Agreement and the Fund Agreements; the execution and delivery of, and the performance by the Fund of its obligations under the Underwriting Agreement and the Fund Agreements have been duly and validly authorized by the Fund; the Underwriting Agreement and the Fund Agreements constitute valid and legally binding agreements of the Fund, enforceable against the Fund in accordance with their terms, except as rights to indemnity and contribution thereunder may be limited by federal or state securities laws and subject to the qualification that the enforceability of the Fund's obligations hereunder and thereunder may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and other laws relating to or affecting creditors' rights generally and by general equitable principles.

5. Neither the issuance and sale of the Securities in accordance with the Underwriting Agreement, the execution, delivery or performance of the Underwriting Agreement or any of the Fund Agreements by the Fund, nor the consummation by the Fund of the transactions contemplated herein or therein or the adoption of the Fund's Dividend Reinvestment Plan (i) conflicts or will conflict with or constitutes or will constitute a breach of the Declaration of Trust or by-laws of the Fund, (ii) conflicts or will conflict with or constitutes or will constitute a breach of or a default under, any material contract of the Fund, as set forth on Schedule I hereto, or (iii) violates or will violate any existing United States of America or State of Illinois statute, law or regulation (assuming compliance with all applicable state securities and blue sky laws, and except that, in the published opinion of the Commission, the indemnification provisions in the Underwriting Agreement and the Fund Agreements, insofar as they relate to


indemnification for liabilities arising under the 1933 Act, are against public policy as expressed in the 1933 Act and therefore unenforceable) or violates any filing or judgment, injunction, order or decree known to us to be applicable to the Fund or any of its properties or will result in the creation or imposition of any security interest, lien, charge or encumbrance upon any property or assets of the Fund pursuant to the terms of any agreement or instrument to which the Fund is a party or by which the Fund may be bound or to which any of the property or assets of the Fund is subject (except in each case for such conflicts, violations, breaches or defaults of liens, charges or encumbrances that would not have a material adverse effect on the ability of the Fund to perform its obligations under the Underwriting Agreement and the Fund Agreements).

6. None of the offering, issuance, sale or delivery of the Securities pursuant to the Underwriting Agreement, or the consummation of any of the other transactions contemplated by the Underwriting Agreement or the Fund Agreements, in each case on the terms contemplated by the Registration Statement, the Preliminary Prospectus and the Prospectus, requires any consent, approval, authorization or other order of or registration or filing with, the Commission, the National Association of Securities Dealers, Inc., or any national securities exchange, or governmental body or agency of the United States of America, or State of Illinois or State of Delaware or, based solely on a review of our litigation docket and based solely on the Docket Search (as that term is defined in the Morris Nichols Opinion), an order of any court or arbitrator of the United States of America or State of Illinois or any Delaware Court (as that term is defined in the Morris Nichols Opinion), except (1) the absence of which, either individually or in the aggregate, would not have a material adverse effect on the Fund or the offering of the Securities as contemplated in the Underwriting Agreement; (2) such as may have been obtained prior to the date hereof; and (3) such as may be required for compliance with state securities or blue sky laws of various jurisdictions.

7. The Fund has an authorized, issued and outstanding capitalization as set forth in the Preliminary Prospectus and the Prospectus and the authorized capitalization of the Fund conforms to the description thereof contained in the Registration Statement, the Preliminary Prospectus and the Prospectus; all of the outstanding common shares of beneficial interest have been duly authorized and validly issued, and are fully paid and non-assessable; the Securities have been duly authorized by all necessary action of the Fund under the Delaware Act and, when issued to, and paid for by, the Underwriters in accordance with the Underwriting Agreement, will be validly issued, fully paid and non-assessable representing undivided beneficial ownership interests in the assets of the Fund; the Securities are duly listed, and admitted and authorized for trading, subject to official notice of issuance and evidence of satisfactory distribution, on the NYSE; the form of certificate that may be used to evidence the common shares of beneficial interest complies in all material respects with the applicable requirements of the Fund's Declaration of Trust, the bylaws, the Delaware Act and the rules of the NYSE, in each case as in effect on the date hereof.

8. No holders of outstanding common shares of beneficial interest are entitled as such to any preemptive or other rights to subscribe for any common shares of beneficial interest under any applicable contract, under the Fund's Declaration of Trust or the by-laws or under the Delaware Act; and, except as set forth in each Preliminary Prospectus and the Prospectus, no options, warrants or other rights to purchase, agreements or other obligations to issue, or rights to


convert any obligations into or exchange any securities for, shares of capital stock of or ownership interests in the Fund are outstanding.

9. The statements set forth under the headings "Description of Shares" in the Preliminary Prospectus and the Prospectus, "Certain Provisions of the Agreement and Declaration of Trust and By-Laws" and "U.S. Federal Income Tax Matters" in the Preliminary Prospectus, the Prospectus and Statement of Additional Information, insofar as such statements purport to summarize certain provisions of the 1940 Act, the Delaware Act, the common shares of beneficial interest or the Fund's Declaration of Trust, United States federal income tax law and regulations or legal conclusions with respect thereto, fairly and accurately summarize such provisions in all material respects.

10. To the knowledge of such counsel, there is no pending or threatened action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Fund or its property of a character required to be disclosed in the Registration Statement which is not adequately disclosed in the Preliminary Prospectus and the Prospectus, and there are no agreements, franchises, contracts, indentures, mortgages, loan agreements, notes, leases, permits or other instruments that are required to be described in the Registration Statement, the Preliminary Prospectus or the Prospectus, or to be filed as an exhibit thereto, which is not described or filed as required by the 1933 Act, the 1940 Act or the Rules and Regulations.

11. The Registration Statement has become effective under the Act; any required filing of the Prospectus, and any supplements thereto, pursuant to Rule 497 have been made in the manner and within the time period required by Rule 497; to the knowledge of such counsel, no stop order suspending the effectiveness of the Registration Statement has been issued, no proceedings for that purpose have been instituted or threatened by the Commission, and the Registration Statement, the Preliminary Prospectus and the Prospectus (other than the financial statements and other financial and statistical information contained therein, as to which such counsel need express no statement) comply as to form in all material respects with the applicable requirements of the Act, the 1940 Act and the Rules and Regulations.

Nothing has come to such counsel's attention that would lead it to believe that:

(i) the Registration Statement, at the time it became effective, contained an untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading (other than the financial statements and schedules and any other financial or statistical information or calculations contained therein or incorporated therein by reference and other than any exhibits, schedules or appendices included or incorporated by reference therein, as to which such counsel expresses no opinion), or

(ii) the documents included in the General Disclosure Package, all considered together, as of the Applicable Time, contained any untrue statement of a material fact or omitted to state any material fact required to be stated therein or necessary in order to make the statements therein, in the light of circumstances under which they were made, not misleading (other than the financial statements and schedules and any other financial


or statistical information or calculations contained therein or incorporated therein by reference and other than any exhibits, schedules or appendices included or incorporated by reference therein, as to which such counsel expresses no opinion), or

(iii) the Prospectus, as of its date and as of the Closing Date, contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading (other than the financial statements and schedules and any other financial or statistical information or calculations contained therein or incorporated therein by reference and other than any exhibits, schedules or appendices included or incorporated by reference therein, as to which such counsel expresses no opinion).

In rendering such opinion, such counsel may rely (A) as to matters involving the application of the laws of any jurisdiction other than the State of Delaware (other than the Delaware Statutory Trust Act), State of Illinois, State of New York or the Federal laws of the United States to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory to counsel for the Underwriters, (B) as to matters involving the application of the Delaware Statutory Trust Act to the extent they deem proper and specified in such opinion, upon the opinion of Morris, Nichols, Arsht & Tunnell or other counsel of good standing whom they believe to be reliable and who are satisfactory to counsel for the Underwriters and (C) as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Fund and public officials. References to the Preliminary Prospectus and the Prospectus shall also include any supplements thereto at the Closing Date.


EXHIBIT C

FORM OF OPINION OF VEDDER, PRICE, KAUFMAN & KAMHOLZ, P.C.

1. The Adviser has been duly formed and is validly existing in good standing as a limited liability company under the Delaware Limited Liability Company Act, with full power and authority to own, lease and operate its properties and to conduct its business as described in the Registration Statement, the Preliminary Prospectus and the Prospectus. The Adviser is duly qualified to do business and is in good standing under the laws of the State of Illinois.

2. The Adviser is duly registered with the Commission as an investment adviser under the Advisers Act, and is not prohibited by the Advisers Act, the 1940 Act or the Advisers Act Rules and Regulations or the 1940 Act Rules and Regulations from acting under the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements and, to the best of such counsel's knowledge after reasonable inquiry, there does not exist any proceeding which should reasonably be expected to adversely affect the registration of the Adviser with the Commission.

3. The Adviser has full power and authority to enter into the Underwriting Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements; the execution and delivery of, and the performance by the Adviser of its obligations under the Underwriting Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements have been duly and validly authorized by the Adviser; the Underwriting Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements constitute valid and legally binding agreements of the Adviser, enforceable against the Adviser in accordance with their terms, except as rights to indemnity and contribution thereunder may be limited by federal or state securities laws and subject to the qualification that the enforceability of the Adviser's obligations hereunder and thereunder may be limited by bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and other laws relating to or affecting creditors' rights generally and by general equitable principles.

4. The Underwriting Agreement, the Advisory Agreement, the Accounting Agreement and the Structuring Fee Agreements comply in all material respects with all applicable provisions of the Advisers Act, the 1940 Act and the Advisers Act Rules and Regulations and the 1940 Act Rules and Regulations.

5. Neither the execution, delivery or performance of the Underwriting Agreement, the Advisory Agreement, the Accounting Agreement or the Structuring Fee Agreements to which the Adviser is a party nor the consummation by the Adviser of the transactions therein contemplated herein or therein (i) conflicts or will conflict with or constitutes or will constitute a breach of the charter or by-laws of the Adviser, (ii) conflicts or will conflict with or constitutes or will constitute a breach of or a default under, any material contract of the Adviser, as set forth on Schedule I hereto, or (iii) violates or will violate any applicable federal or State of Illinois law, statute, rule or regulation or the Delaware Limited Liability Company Act or any judgment, order, writ or decree known to us, of any governmental authority or administrative agency of the United States of America or the State of Illinois or under the Delaware Limited Liability Company Act or will result in the creation or imposition of any security interest, lien, charge or


encumbrance upon any property or assets of the Adviser pursuant to the terms of any agreement or instrument to which the Adviser is a party or by which the Adviser may be bound or to which any of the property or assets of the Adviser is subject (except in each case for such conflicts, violations, breaches or defaults or liens, charges of encumbrances that would not have a material adverse effect on the ability of the Adviser to perform its obligations under the Underwriting Agreement and the Adviser Agreements).

6. The description of the Adviser and its business in the Preliminary Prospectus and the Prospectus complies in all material respects with all requirements of the 1933 Act, the 1940 Act and the Rules and Regulations.

7. (A) No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or governmental authority or agency, domestic or foreign, and (B) no authorization, approval, vote or other consent of any other person or entity, is necessary or required for the performance by the Adviser of its obligations under the Underwriting Agreement, the Advisory Agreement, the Accounting Agreement or the Structuring Fee Agreements, for the offering, issuance, sale or delivery of the Securities hereunder, or for the consummation of any of the other transactions contemplated by the Underwriting Agreement, the Advisory Agreement, the Accounting Agreement or the Structuring Fee Agreements, in each case on the terms contemplated by the Registration Statement, the Preliminary Prospectus and the Prospectus, except such as have been already obtained under the 1933 Act, the 1940 Act, the Rules and Regulations, the rules and regulations of the NASD and the NYSE and such as may be required under state securities laws.

8. To the knowledge of such counsel, there is no pending or threatened action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Adviser or its property of a character required to be disclosed in the Registration Statement which is not adequately disclosed in the Preliminary Prospectus and the Prospectus, and there are no agreements, franchises, contracts, indentures, mortgages, loan agreements, notes, leases, permits or other instruments that are required to be described in the Registration Statement, the Preliminary Prospectus or the Prospectus, or to be filed as an exhibit thereto, which is not described or filed as required by the 1933 Act, the 1940 Act or the Rules and Regulations.

Nothing has come to such counsel's attention that would lead it to believe that:

(i) the Registration Statement, at the time it became effective, contained an untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading (other than the financial statements and schedules and any other financial or statistical information or calculations contained therein or incorporated therein by reference and other than any exhibits, schedules or appendices included or incorporated by reference therein, as to which such counsel expresses no opinion), or

(ii) the documents included in the General Disclosure Package, all considered together, as of the Applicable Time, contained any untrue statement of a material fact or omitted to state any material fact required to be stated therein or necessary in order to


make the statements therein, in the light of circumstances under which they were made, not misleading (other than the financial statements and schedules and any other financial or statistical information or calculations contained therein or incorporated therein by reference and other than any exhibits, schedules or appendices included or incorporated by reference therein, as to which such counsel expresses no opinion), or

(iii) the Prospectus, as of its date and as of the Closing Date, contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading (other than the financial statements and schedules and any other financial or statistical information or calculations contained therein or incorporated therein by reference and other than any exhibits, schedules or appendices included or incorporated by reference therein, as to which such counsel expresses no opinion).

In rendering such opinion, such counsel may rely (A) as to matters involving the application of laws of any jurisdiction other than the State of Delaware, State of Illinois, State of New York or the Federal laws of the United States, to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory to counsel for the Underwriters and (B) as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Fund and public officials. References to the Preliminary Prospectus and the Prospectus shall also include any supplements thereto at the Closing Date.


EXHIBIT D

FORM OF OPINION OF MORRIS, NICHOLS, ARSHT & TUNNELL

1. The Fund has been duly formed and is validly existing in good standing as a statutory trust under the Delaware Act. The Fund has the statutory trust power and authority to own property and conduct its business as described in the Prospectus.

2. Under the Delaware Act and the Governing Instrument, the execution and delivery of the Underwriting Agreement and each of the Fund Agreements by the Fund, and the performance by the Fund of its obligations thereunder, have been duly authorized by all requisite statutory trust action on the part of the Fund.

3. The Investment Advisor Shares are the only Shares currently issued and outstanding other than any Common Shares issued and sold pursuant to the Underwriting Agreement. The Investment Advisor Shares have been duly authorized for issuance by the Fund, are validly issued and, subject to the qualifications below, fully paid and non-assessable beneficial interests in the Series. The holder of the Investment Advisor Shares will be, subject to the terms of the Governing Instrument, entitled to the same limitation of personal liability extended to stockholders of private corporations for profit organized under the General Corporation Law of the State of Delaware.

4. The Common Shares have been duly authorized for issuance by the Fund and, when issued and delivered against payment therefor in accordance with the terms, conditions, requirements and procedures set forth in the Underwriting Agreement, will be validly issued and, subject to the qualifications below, fully paid and non-assessable beneficial interests in the Series. The holders of Common Shares will be, subject to the terms of the Governing Instrument, entitled to the same limitation of personal liability extended to stockholders of private corporations for profit organized under the General Corporation Law of the State of Delaware.

5. Under the Governing Instrument and the Delaware Act, the issuance of the Common Shares is not subject to preemptive rights.

6. The form of Common Shares Certificate complies with all applicable requirements of the Delaware Act.

7. No authorization, approval, consent or order of any governmental authority or agency of the State of Delaware or an order of any Delaware Court, is required to be obtained by the Fund solely as a result of the issuance and sale of the Common Shares, the consummation by the Fund of the transactions contemplated by the Underwriting Agreement and the Fund Agreements or the performance by the Fund of its obligations thereunder, or the adoption of the Automatic Dividend Reinvestment Plan.

8. The execution and delivery by the Fund of the Underwriting Agreement and the Fund Agreements, the consummation by the Fund of the transactions contemplated by the Underwriting Agreement and the Fund Agreements, the performance by the Fund of its obligations thereunder, the issuance and sale by the Fund of the Common Shares and the


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adoption of the Automatic Dividend Reinvestment Plan will not violate (i) the Certificate or the Governing Instrument or (ii) any applicable Delaware law or administrative regulation.

9. There is not in any Delaware Court any action, suit or proceeding pending against the Fund.


EXHIBIT E

PRICE-RELATED INFORMATION

CALAMOS GLOBAL DYNAMIC INCOME FUND

Public offering price: $[15.00] per share

Underwriting discounts and commissions: $____ per share

Proceeds, before expenses to the Fund: $____ per share

Shares offered: _____

Over-allotment option: _____


Exhibit h.2

WACHOVIA CAPITAL MARKETS, LLC

MASTER SELECTED DEALERS AGREEMENT

July 1, 2003

Wachovia Capital Markets LLC
375 Park Avenue - 4th Floor
New York, New York 10152

Ladies and Gentlemen:

1. General. We understand that you are entering into this Master Selected Dealers Agreement (this "AGREEMENT") in counterparts with us and other firms, which may include any Underwriters (as defined below), who may participate as dealers (such other firms collectively with us being referred to herein as the "SELECTED DEALERS") in connection with offerings of Securities (as defined below) that are managed solely by Wachovia Capital Markets, LLC ("WACHOVIA") or by Wachovia with one or more co-managers, and which may include offerings registered in whole or in part under the Securities Act of 1933, as amended (the "1933 ACT"), and offerings other than registered offerings. The term "MANAGER" means Wachovia Capital Markets, LLC acting in such capacity as manager. Irrespective of whether we have executed this Agreement, this Agreement shall apply to any offering of Securities as to which Wachovia has invited us to participate, and we have elected to participate, as a Selected Dealer.

The following information, to the extent applicable to the offering of the Securities, will be supplied to us at or prior to the time of such offering:
(i) the expected offering date; (ii) the expected closing date; (iii) the initial public offering price; (iv) the interest or dividend rate (or the method by which such rate is to be determined); (v) the conversion, exercise or exchange price or rate, (vi) the redemption or liquidation price, (vii) the selling concession; (viii) the reallowance; (ix) the time of release of Securities for sale to the public; (x) the time at which subscription books will be opened; (xi) the amount, if any, of Securities reserved for purchase by Selected Dealers; (xii) the period of such reservation and the amount of Securities to be allotted to us; and (xiii) a statement that our participation as a Selected Dealer in the offering shall be subject to the terms of this Agreement. The foregoing information shall be deemed to form a part of this Agreement and this Agreement shall become binding with respect to our participation as a Selected Dealer in an offering of Securities following our receipt of such information. If we have not previously executed this Agreement, by our purchase of Securities in an offering covered by this Agreement we shall be deemed to be a signatory hereto with respect to such offering of Securities.

The securities to be purchased in any offering of securities in which we agree to participate as a Selected Dealer pursuant to this Agreement, including any guarantees relating to such securities or any other securities into which such securities are convertible or for which such securities are exercisable or exchangeable and any securities that may be purchased upon exercise of any over-allotment option, are hereinafter referred to as the "SECURITIES." The issuer or issuers of the Securities are hereinafter referred to as the "ISSUER." The underwriters or initial


purchasers, as the case may be, on whose behalf the Manager executes the underwriting or purchase agreement and any associated terms agreement, pricing agreement or similar agreement with the Issuer or any selling securityholders or any amendment or supplement thereto (collectively, the "UNDERWRITING AGREEMENT") with respect to an offering of Securities in which we agree to participate as a Selected Dealer pursuant to this Agreement are hereinafter referred to as the "UNDERWRITERS." The provisions of this Agreement set forth below shall apply separately to each offering of Securities in which we agree to participate as a Selected Dealer.

2. Acceptance and Purchase. The offer of Securities to Selected Dealers will be made on the basis of a reservation of Securities and an allotment against subscriptions. Any application for additional Securities will be subject to rejection in whole or in part. Subscription books may be closed by the Manager at any time in its discretion without notice and the right is reserved to reject any subscription in whole or in part. We agree to purchase as principal the amount of Securities allotted to us by the Manager.

3. Offering Materials. (a) We understand and acknowledge that if registration of the offer and sale of the Securities as contemplated by the Underwriting Agreement is required under the 1933 Act, the Manager will, at our request, furnish to us, as soon as practicable after sufficient quantities thereof are made available to the Manager by the Issuer, copies of the Prospectus (as defined below) (excluding any documents incorporated by reference therein) to be used in connection with the offering of the Securities in such number of copies as we may reasonably request. As used herein, "PROSPECTUS" means the form of prospectus (including any supplements and any documents incorporated by reference therein) authorized for use in connection with the offering of such Securities.

(a) We understand and acknowledge that, if the offer and sale of the Securities are exempt from the registration requirements of the 1933 Act, no registration statement will be filed with the Securities and Exchange Commission (the "COMMISSION"). In such case, the Manager will, at our request, furnish to us, as soon as practicable after sufficient quantities thereof are made available to the Manager by the Issuer, copies, in such number as we may reasonably request of any Offering Circular (as defined below) (excluding any documents incorporated by reference therein) or other offering materials to be used in connection with the offering of the Securities. As used herein, "OFFERING CIRCULAR" means the form of offering circular, offering memorandum or other offering materials (including any supplements and any documents incorporated by reference therein) authorized for use in connection with the offering of such Securities. The Prospectus or Offering Circular, as the case may be, relating to an offering of Securities is herein referred to as the "OFFERING DOCUMENT."

(b) We acknowledge and agree that in purchasing Securities we will rely upon no statement whatsoever, written or oral, other than the statements in the Offering Document delivered to us by the Manager, including any documents incorporated by reference therein. We understand and acknowledge that we are not authorized to give any information or make any representation not contained in the Offering Document, including in any document incorporated by reference therein, in connection with the offering of the Securities. Our purchase of Securities shall constitute our agreement that, if requested by the Manager, we will furnish a copy of any amendment or supplement to any preliminary or final Offering Document to each person to whom we have furnished a previous preliminary or final Offering Document. Our

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purchase of Securities registered under the 1933 Act or in any other offering to which the provisions of Rule 15c2-8 (or any successor provision) under the Securities Act of 1934, as amended (the "1934 ACT"), are made applicable by notice from the Manager to us or otherwise, shall constitute our confirmation that we have delivered, and our agreement that we will deliver, all preliminary and final Prospectuses required for compliance with Rule 15c2-8 (or any successor provision) under the 1934 Act. Our purchase of Securities exempt from registration under the 1933 Act shall constitute our confirmation that we have delivered, and our agreement that we will deliver, all preliminary and final Offering Circulars required for compliance with the applicable Federal and state laws and the applicable rules and regulations of any regulatory body promulgated thereunder governing the use and distribution of offering circulars by underwriters or initial purchasers.

4. Offering of the Securities. (a) The offering of the Securities is made subject to the conditions referred to in the Offering Document and to the terms and conditions set forth in this Agreement. After the public offering of the Securities has commenced, the Manager may change the public offering price, public offering size, the selling concession and the reallowance. Any of the Securities purchased by us pursuant to this Agreement are to be reoffered by us, subject to their receipt and acceptance by the Manager, to investors at the initial public offering price, subject to the terms of this Agreement and the Offering Document. Except as otherwise provided herein, the Securities shall not be offered or sold by us below the initial public offering price before the termination of the effectiveness of this Agreement with respect to the offering of the Securities, except that a reallowance from the initial public offering price of not in excess of the amount set forth in the invitation wire, telex, facsimile or electronic data transmission or other written communication (the "INVITATION") from the Manager inviting us to participate as a Selected Dealer in an offering of Securities pursuant to this Agreement may be allowed to any Selected Dealer that (i) agrees that such amount is to be retained and not reallowed in whole or in part, (ii) makes the representations contained in
Section 13, and (iii) unless the Securities are "exempted securities" as defined in Section 3(a)(12) of the 1934 Act or are such other securities as may be sold from time to time by a "bank" as defined in Section 3(a)(6) of the 1934 Act (a "BANK"), is not a Bank.

(a) The Manager as such and, with the Manager's consent, any Underwriter may purchase Securities from, or sell Securities to, any of the Selected Dealers or any of the Underwriters, and any Selected Dealer may buy Securities from, or sell Securities to, any other Selected Dealer or any Underwriter, at the initial public offering price less all or any part of the concession to Selected Dealers.

(b) If we have received or been credited with the Selected Dealers'concession as to any Securities purchased by us pursuant to this Agreement which, prior to the later of (i) the termination of the effectiveness of this Agreement with respect to the offering of such Securities and (ii) the covering by the Manager of any short position created by the Manager in connection with the offering of such Securities, the Manager may have purchased or contracted to purchase for the account of any Underwriter (whether such Securities have been sold or loaned by us), then we agree to pay the Manager on demand for the accounts of the several Underwriters an amount equal to the Selected Dealers' concession and, in addition, the Manager may charge us with any broker's commission and transfer tax paid in connection with such purchase or contract to purchase. Securities delivered on such repurchases need not be represented by the identical

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certificates originally purchased. With respect to any such repurchased Securities as to which we have not yet received or been credited with the Selected Dealers' concession, we shall be responsible for any such broker's commission and transfer tax and the Manager shall not be obligated to pay any Selected Dealers' concession as to such Securities.

(c) No expenses shall be charged to Selected Dealers. A single transfer tax upon the sale of the Securities by the respective Underwriters to us will be paid by such Underwriters when such Securities are delivered to us. However, we shall pay any transfer tax on sales of Securities by us and shall pay our proportionate share of any transfer tax or other tax (other than the single transfer tax described above) in the event that any such tax shall from time to time be assessed against us and other Selected Dealers as a group or otherwise.

5. Stabilization and Over-Allotment. The Manager may, with respect to the offering of the Securities, over-allot, purchase and sell Securities or any other securities that may, in whole or in significant part, determine the value of the Securities for long or short account, on such terms as the Manager may deem advisable, and stabilize or maintain the market price of the Securities. We agree that upon the Manager's request at any time and from time to time prior to the termination of the effectiveness of this Agreement with respect to an offering of Securities, we will report the amount of Securities purchased by us pursuant to such offering which then remain unsold by us and will, upon the Manager's request at any such time, sell to the Manager for the account of one or more Underwriters such amount of such unsold Securities as the Manager may designate at the initial public offering price less an amount to be determined by the Manager not in excess of the Selected Dealers' concession.

6. Compliance with Regulation M.

Unless the Securities are "exempted securities" as defined in Section 3(a)(12) of the 1934 Act, we represent that, at all times since we were invited to participate in the offering of the Securities, we have complied with the provisions of Regulation M applicable to such offering, in each case as interpreted by the Commission and after giving effect to any applicable exemptions. If we have been notified by the Manager that the Underwriters may conduct passive market making in compliance with Rule 103 of Regulation M in connection with the offering of the Securities, we represent that, at all times since our receipt of such notice, we have complied with the provisions of such Rule applicable to such offering, as interpreted by the Commission and after giving effect to any applicable exemptions.

If the Securities are convertible into or exchangeable or exercisable for shares of common stock and such common stock is subject to options traded on a securities exchange, we represent and warrant that we have not, since the day following the date of the Invitation, entered into a discount or parity opening uncovered writing transaction in options to acquire shares of such common stock for our account or for the account of any customer and we agree that we will not enter into any such transaction prior to the termination of the provisions of this Agreement with respect to such offering of Securities. The term "discount or parity opening uncovered writing transaction" means an opening sale transaction where the seller is the writer of an option to purchase shares of such common stock which he does not then own or have the right to acquire upon exercise of conversion option rights, which option is sold at a price (exclusive of commissions) per optioned share which, when added to the amount per share payable upon

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exercise of the option, shall be equal to or less than the last reported sales price (exclusive of commissions) per share immediately prior to the time such option is sold.

7. Net Capital. We represent and warrant that the incurrence by us of our obligations hereunder in connection with the offering of the Securities will not place us in violation of Rule 15c3-1 under the 1934 Act, if such requirements are applicable to us, or, if we are a financial institution subject to regulation by the Board of Governors of the Federal Reserve System, the Comptroller of the Currency or the Federal Deposit Insurance Corporation, will not place us in violation of the capital requirements of such regulator or any other regulator to which we are subject.

8. Payment and Delivery. We agree that Securities purchased by us pursuant to this Agreement shall be paid for in an amount equal to the initial public offering price therefor or, if the Manager shall so advise us, at such initial public offering price less the Selected Dealers' concession with respect thereto, at 9:00 A.M. (New York City time) on the date on which the Underwriters are required to purchase the Securities, by delivery to the Manager, at its office, of payment in the manner and type of funds and currency specified in the payment instructions of the Manager given to us, payable to the order of "Wachovia Capital Markets, LLC" If payment is made for Securities purchased by us at the initial public offering price, the Selected Dealers' concession to which we may be entitled will be paid to us upon termination of the effectiveness of this Agreement with respect to the offering of such Securities.

Notwithstanding the foregoing provisions of this section, if transactions in the Securities can be settled through the facilities of The Depository Trust Company ("DTC"), if we are a member of DTC, we authorize you, in your discretion, to make appropriate arrangements for payment and/or delivery through the facilities of DTC of the Securities to be purchased by us, or, if we are not a member of DTC, settlement may be made through a correspondent that is a member of DTC pursuant to our timely instructions.

9. Blue Sky and Other Qualifications. It is understood and agreed that the Manager assumes no responsibility or obligation with respect to the right of any Selected Dealer or other person to sell the Securities in any jurisdiction, notwithstanding any information the Manager may furnish in that connection.

10. Termination; Amendment. (a) The terms and conditions set forth in (i)
Section 4, (ii) the second sentence of Section 5 and (iii) Section 6 of this Agreement (collectively, the "OFFERING PROVISIONS") will terminate with respect to each offering of Securities pursuant to this Agreement at the close of business on the 45th day after the date of the initial public offering of the Securities or at the close of business on the day of the closing of the purchase of the Securities by the Underwriters pursuant to the Underwriting Agreement, whichever is later, unless in either such case the effectiveness of such Offering Provisions is extended or sooner terminated as hereinafter provided. The Manager may extend the effectiveness of such Offering Provisions up to an additional 15 days by notice to us to the effect that the Offering Provisions of this Agreement are extended to the date or by the number of days indicated in the notice. The Manager may terminate such Offering Provisions, other than
Section 4(c), at any time by notice to us to the effect that the Offering Provisions of this Agreement are terminated and the Manager may terminate the provisions of Section 4(c) at any time at or subsequent to the termination of

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the other Offering Provisions by notice to us to the effect that the penalty bid provisions of this Agreement are terminated. All other provisions of this Agreement shall remain operative and in full force and effect with respect to the offering of such Securities.

(a) This Agreement may be terminated by either party hereto upon five business days' written notice to the other party; provided, however, that with respect to any particular offering of Securities, if you receive any such notice from us after you have notified us of the amount of Securities allotted to us in such offering, this Agreement shall remain in full force and effect as to such offering and shall terminate with respect to such offering and all previous offerings only in accordance with and to the extent provided in subsection (a) of this Section.

(b) This Agreement may be supplemented or amended by you by notice to us from you and, except for supplements or amendments set forth in the information relating to a particular offering of Securities, any such supplement or amendment to this Agreement shall be effective with respect to any offering to which this Agreement applies after the date of such supplement or amendment. Each reference to "this Agreement" herein shall, as appropriate, be to this Agreement as so supplemented and amended.

11. Role of the Manager; Role of the Selected Dealers; Legal Responsibility. (a) Wachovia is acting as representative of each of the Underwriters in all matters in connection with the offering of the Securities and the Underwriters' purchases of the Securities. Any action to be taken, authority that may be exercised or determination to be made by the Manager or any co-managers hereunder may be taken, exercised or made by Wachovia on behalf of the Manager and all of the co-managers. The rights and liabilities of each Underwriter of Securities and each Selected Dealer shall be several and not joint.

(a) The Manager, as such, shall have full authority to take such action as it may deem necessary or advisable in all matters in pertaining to the offering of Securities or arising under this Agreement. The Manager will have no liability to any Selected Dealer for any act or omission except for obligations expressly assumed by the Manager herein, and no obligations on the part of the Manager shall be implied hereby or inferred herefrom.

(b) We understand and agree that we are to act as principal in purchasing Securities and we are not authorized to act as agent for the Issuer, any selling securityholder or any of the Underwriters in offering the Securities to the public or otherwise.

(c) Nothing herein contained shall cause us to constitute an association, or partners, with the other Selected Dealers, the Underwriters, the Manager or any co-managers, or, except as otherwise provided herein, render us liable for the obligations of any other Selected Dealers, the Underwriters, the Manager or any co-managers. If the Selected Dealers among themselves or with the Underwriters or the Manager or any co-managers are deemed to constitute a partnership for Federal income tax purposes, then each Selected Dealer hereby elects to be excluded from the application of Subchapter K, Chapter 1, Subtitle A, of the Internal Revenue Code of 1986, as amended, and agrees not to take any position inconsistent with such election. The Manager is authorized, in its discretion, to execute on behalf of the Selected Dealers such evidence of such election as may be required by the Internal Revenue Service.

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12. Notices. Except as otherwise set forth herein, any notices from the Manager to us shall be deemed to have been duly given if mailed, hand-delivered, delivered by overnight courier, telephoned (and confirmed in writing), telegraphed, telexed or telecopied to us at the address set forth at the foot of this Agreement or at such other address we shall have advised you by notice in writing. Any notice from us to the Manager shall be deemed to have been duly given if mailed, hand-delivered, delivered by overnight courier, telephoned (and confirmed in writing), telegraphed or telecopied to:

Wachovia Capital Markets, LLC
375 Park Avenue 4th Floor
New York, New York 10152
Attention: David Herman
Telephone: (212)214-6161
Telecopy: (212) 214-5918

(or to such other address, telephone, telecopy or telex as we shall be notified by Wachovia). Communications by telegram, telex, telecopy, wire or other electronic transmission shall be deemed to be "written" communications.

13. NASD Matters; Other Laws. We represent and warrant that we are (a) a member of good standing of the National Association of Securities Dealers, Inc. (the "NASD"), (b) a Bank that is not a member of the NASD, or (c) a foreign bank or dealer not eligible for membership in the NASD. In making sales of Securities, if we are such a member in good standing of the NASD, we agree that we will comply with all applicable interpretive materials ("IM") and rules of the NASD, including without limitation, IM-2110-1 (the NASD's interpretation with respect to free-riding and withholding) and Rule 2740 of the NASD's Conduct Rules, or, if we are such a foreign bank or dealer, we agree to comply with IM-2110-1 and Rules 2730, 2740 and 2750 of the NASD's Conduct Rules as though we were such a member and Rule 2420 of the NASD's Conduct Rules as it applies to a nonmember broker or dealer in a foreign country. If we are a Bank, we agree, to the extent required by applicable law or the Conduct Rules of the NASD, that we will not, in connection with the public offering of any Securities that do not constitute "exempted securities" within the meaning of Section 3(a)(12) of the 1934 Act or such other securities as from time to time may be sold by a Bank, purchase any Securities at a discount from the offering price from any Underwriter or Selected Dealer or otherwise accept any selling concession, discount or other allowance, or any portion of any management fee, global coordinator's fee, or other similar fee, from any Underwriter or Selected Dealer, and we will comply with Rule 2420 of the NASD's Conduct Rules as though we were a member. Without limitation to the other provisions of this Agreement, we agree that, in selling Securities and otherwise acting as Selected Dealer in any offering of Securities, we will comply with all applicable laws, rules and regulations, including but not limited to all applicable provisions of the 1933 Act and 1934 Act and all applicable rules and regulations of the Commission, the NASD and any applicable securities exchange or other applicable regulatory authority.

14. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW

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YORK APPLICABLE TO CONTRACTS MADE AND TO BE PERFORMED IN THE STATE OF NEW YORK.

15. Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be deemed an original, which taken together shall constitute one and the same instrument.

[SIGNATURE PAGE FOLLOWS]

Very truly yours,


(Name of Firm)

By:
Print Name:

Title:

Address:


Telephone:
Telecopy:
Telex:

Confirmed as of the date first above written:

Wachovia Capital Markets, LLC

By: ---------------------------------
Name: David H. Herman
Title: Director

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Exhibit h.3

____________, 2005

MASTER AGREEMENT AMONG UNDERWRITERS

WACHOVIA CAPITAL MARKETS, LLC
301 S. College Street, NC0602
Charlotte, NC 28202-6000

Ladies and Gentlemen:

1. We understand that Wachovia Capital Markets, LLC ("WCM") is entering into this Master Agreement Among Underwriters in counterparts with us and other firms that may be Underwriters (as defined below) for issues of Securities (as defined below) in which WCM is acting as Representative or one of the Representatives. Irrespective of whether we have executed this Master Agreement Among Underwriters, this Master Agreement Among Underwriters shall apply to any offering of Securities in which we elect to act as an Underwriter after receipt of an Invitation (as defined below) from WCM identifying the Issuer (as defined below), any applicable terms of the Securities proposed to be offered by such Issuer, the amount of our proposed participation and the names of the other Representatives, if any, and stating that our participation as an Underwriter in the proposed offering shall be subject to the provisions of this Master Agreement Among Underwriters.

Your invitation will include instructions for our acceptance of such invitation. At or prior to the time of an offering, you will advise us, to the extent applicable, as to (i) the expected offering date, (ii) the expected closing date, (iii) the initial offering price, (iv) the interest or dividend rate (or the method by which such rate is to be determined), (v) the conversion, (vi) exercise or exchange price or rate, (vii) the redemption or liquidation price,
(viii) the underwriting discount or commission, (ix) the management fee, (x) the selling concession and (xi) the reallowance, except that if the offering price of the Securities is to be determined as contemplated by Rule 430A under the Securities Act of 1933, as amended (the "Act"), such procedure being hereinafter referred to as "430A Pricing", you shall so advise us and shall specify the maximum underwriting discount or commission, management fee and selling concession. Such information may be conveyed by you in one or more written or verbal communications (such communications received by us with respect to an offering being hereinafter collectively referred to as the "Invitation"). If the Underwriting Agreement (as defined below) provides for the granting of an option to purchase additional Securities to cover over-allotments or otherwise (an "over allotment option"), you will notify us in the Invitation of such option and of our maximum obligation upon exercise of such option.

This Master Agreement Among Underwriters, as amended or supplemented by the Invitation, shall become binding upon us and the Representatives with respect to such offering if you receive our written or verbal acceptance and you do not receive a written communication


revoking our acceptance prior to the time and date specified in the Invitation (our unrevoked acceptance after expiration of such time and date being hereinafter referred to as our "Acceptance"). If we have not previously executed this Master Agreement Among Underwriters, by our Acceptance we shall be deemed to be signatories hereof with respect to the offering to which the Acceptance relates. To the extent that any terms contained in the Invitation are inconsistent with any provisions herein, such terms shall supersede any such provisions. Our Acceptance will also constitute our confirmation that, except as otherwise stated in such Acceptance, each applicable statement included in the Master Underwriters' Questionnaire attached as Annex A hereto (or otherwise furnished to us) is correct. We agree to notify you immediately of any development before the termination of the offering provisions referred to in
Section 10(a) with respect to any particular offering of Securities which makes untrue or incomplete any information that we have given or are deemed to have given in response to the Master Underwriters' Questionnaire. The obligations of each underwriter shall be several and not joint. The securities offered in any offering of securities made pursuant to this Master Agreement Among Underwriters, including any guarantees relating to such securities or any other securities into which such securities are convertible or exchangeable into or exercisable for and any securities that may be purchased upon exercise of an over-allotment option, are hereinafter referred to as the "Securities". The issuer or issuers of the Securities are hereinafter referred to as the "Issuer". All references herein to "you" or the "Representatives" shall include WCM and the other firms, if any, which are named as Representatives in the Invitation, it being understood and agreed that WCM is authorized to act on behalf of all Representatives. Any underwriters of Securities under this Master Agreement Among Underwriters, including the Representatives, are hereinafter collectively referred to as the "Underwriters". Except as otherwise provided in Section
10(c), the following provisions of this Master Agreement Among Underwriters shall apply separately to each individual offering of Securities.

2. The Representatives shall determine which signatories or other parties deemed to be signatories to this Master Agreement Among Underwriters will be invited to become Underwriters for the Securities. Changes may be made by the Representatives in those who are to be Underwriters and in the respective amounts of Securities to be purchased by them, provided that, notwithstanding anything to the contrary contained in this Master Agreement Among Underwriters, our consent shall be required for any increase in the amount of Securities to be purchased by us, except in the following cases: (i) an increase in the amount of Securities to be purchased by us as may be required by the underwriting or purchase agreement or any associated terms or similar agreement with the Issuer or any selling securityholders or any amendment or supplement thereto (collectively, the "Underwriting Agreement") covering the Securities in the event of a default by one or more of the Underwriters; (ii) an increase in the amount of such Securities as a result of (a) an increase in the aggregate amount of such Securities proposed to be purchased by the Underwriters as a whole; (b) a reallotment of Securities among the Underwriters; or (c) any other cause, which in any such case of (a) through (c) results in an aggregate net change of 25% or less in the amount of Securities to be purchased by us. We authorize you on our behalf to execute and deliver the Underwriting Agreement or any agreement between or among Underwriters (as defined in the next sentence), on the one hand, and one or more groups of underwriters for the Securities not acting as such pursuant to this

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Master Agreement Among Underwriters, on the other hand (an "Intersyndicate Agreement"), in such forms as you determine and to take such action as you deem advisable in connection with the performance of the Underwriting Agreement, any Intersyndicate Agreement and this Master Agreement Among Underwriters and the purchase, carrying, sale and distribution of the Securities. We further authorize you to take such action as you deem necessary or advisable to carry out this Master Agreement Among Underwriters, the Underwriting Agreement and the purchase and sale of the Securities. You may waive performance or satisfaction by the Issuer, any selling securityholders or any other party to the Underwriting Agreement of certain of its or their obligations or conditions included in the Underwriting Agreement, if in your judgment such waiver will not have a material adverse effect upon the interests of the Underwriters. With respect to offerings of Securities using 430A Pricing, you are also authorized to determine the initial public offering price and the price at which the Securities are to be purchased in accordance with the Underwriting Agreement.

It is understood that, if so specified in the Invitation for the issue, arrangements may be made for the sale of Securities by the Issuer or selling securityholders pursuant to delayed delivery contracts. Such Securities are hereinafter referred to as "Delayed Delivery Securities", and such contracts as "Delayed Delivery Contracts". Securities for which such contracts are not entered into by the Issuer or selling securityholders are hereinafter referred to as "Immediate Delivery Securities". References herein to delayed delivery and Delayed Delivery Contracts apply only to offerings in which delayed delivery is authorized. The term "underwriting obligation", as used in this Master Agreement Among Underwriters with respect to any Underwriter, shall refer to the principal amount or number of shares or units of the Securities (plus such additional Securities as may be required by the Underwriting Agreement to be purchased by such Underwriter in the event of a default by one or more of the Underwriters) which such Underwriter is obligated to purchase pursuant to the provisions of the Underwriting Agreement, without regard to any reduction in such obligation as a result of Delayed Delivery Contracts which are entered into by the Issuer.

If the Securities consist in whole or in part of debt obligations maturing serially, the serial Securities being purchased by each Underwriter pursuant to the Underwriting Agreement will consist, subject to adjustment as provided in the Underwriting Agreement, of serial Securities of each maturity in a principal amount that bears the same proportion to the aggregate principal amount of the serial Securities of such maturity to be purchased by all the Underwriters as the respective principal amount of serial Securities set forth opposite such Underwriter's name in the Underwriting Agreement bears to the aggregate principal amount of the serial Securities to be purchased by all Underwriters.

As compensation for your services to each of the Underwriters in connection with the Underwriting Agreement and this Master Agreement Among Underwriters we will pay a management fee as specified in the Invitation for the offering (without deduction in respect of Delayed Delivery Securities), and you may charge our account therefore. If there is more than one Representative, such compensation will be divided among the Representatives in such proportions as they determine.

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3. We understand and acknowledge that if registration of the offer and sale of the Securities as contemplated by the Underwriting Agreement is required by the Issuer under the Act on a registration statement or statements to be filed with the Securities and Exchange Commission (the "Commission"), you will either provide us with the file number or numbers of such registration statement or statements with respect to the Securities or, as soon as practicable after the later of the date of the Invitation or the date made available to you by the Issuer, furnish to us (or make available for our review in your office) a copy of such registration statement or statements (other than any documents incorporated therein by reference and any exhibits) and any amendments thereto. In any event you will furnish to us, as soon as practicable after sufficient quantities thereof are made available to you by the Issuer, copies of the Prospectus or supplemented Prospectus (excluding any documents incorporated by reference herein) to be used in connection with the offering of the Securities. As used herein "Prospectus" means the form of prospectus (including any supplements and any documents incorporated by reference therein) authorized for use in connection with the offering of such Securities, and "Registration Statement" means the registration statement filed by the Issuer with the Commission, as amended and including any documents incorporated by reference therein, under which the offer and sale of the Securities are registered under the Act.

We understand and acknowledge that if the offer and sale of the Securities are exempt from the registration requirements of the Act, no registration statement will be filed with the Commission. In any such case involving an offering circular or other offering materials to be used in connection with the offering of the Securities (any such circular or materials, as it or they may be amended or supplemented, being hereinafter referred to as the "Offering Circular"), you will either provide us with information as to the availability of a preliminary offering circular through a specified regulatory authority or, as soon as practicable after the later of the date of the Invitation or the date made available to you by the Issuer, furnish to us (or make available for our review in your office) a copy of any preliminary offering circular or a proof of the Offering Circular. In any event, in any such offering involving an Offering Circular you will furnish to us, as soon as practicable after sufficient quantities thereof are made available to you by the Issuer, copies of the final Offering Circular. The Prospectus or Offering Circular, as the case may be, relating to an offering of Securities is herein referred to as the "Offering Document".

We understand and acknowledge that we are not authorized to give any information or make any representation not contained in the Offering Document, as amended or supplemented, or in any document incorporated by reference therein in connection with the offering of the Securities. Our Acceptance of an invitation shall constitute our agreement that, if requested by you, we will furnish a copy of any amendment or supplement to any preliminary or final Offering Document to each person to whom we have furnished a previous preliminary or final Offering Document. Our Acceptance of an Invitation relating to an offering of Securities registered under the Act shall constitute (i) our acknowledgement that we are familiar with the Registration Statement, including the documents incorporated by reference therein and the forms of Underwriting Agreement and indenture or other documents describing the terms of the Securities filed as exhibits thereto or otherwise made available to us, with any preliminary prospectus, preliminary

4

supplemented prospectus or Prospectus relating to the Securities theretofore filed with the Commission, and with the information to be set forth in an amendment to the Registration Statement or in the Prospectus proposed to be filed with the Commission and (ii) our confirmation that we have delivered, and our agreement that we will deliver, all preliminary and final Prospectuses required for compliance with Rule 15c2-8 (or any successor provision) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Our Acceptance of an Invitation relating to an offering of Securities exempt from registration under the Act shall constitute (i) our acknowledgment that we are familiar with the information set forth in any preliminary offering circular or proof of the Offering Circular made available to us and with the information to be set forth in the Offering Circular, (ii) our confirmation that we have delivered, and our agreement that we will deliver, all preliminary and final Offering Circulars required for compliance with the applicable Federal and state laws and the applicable rules and regulations of any regulatory body promulgated thereunder governing the use and distribution of offering circulars by underwriters, and
(iii) to the extent consistent with such laws, rules and regulations, our confirmation that we have delivered and our agreement that we will deliver all preliminary and final Offering Circulars that would be required if Rule 15c2-8 (or any successor provision) under the Exchange Act applied to such offering. We hereby consent to being named in the Offering Document as one of the Underwriters of the Securities.

4. (a) In connection with the public offering of the Securities, we authorize you, in your discretion, to determine the time of the initial public offering, to determine the amount of Securities, if any, to be purchased by the Underwriters pursuant to the over-allotment option, if any, to change the price and/or size of the initial public offering, to furnish the Issuer with the information to be included in the Registration Statement or Offering Circular with respect to the terms of offering, and to determine all matters relating to advertising and communications with dealers or others. Each Underwriter also authorizes us to reserve for sale, and authorizes us or any Underwriter designated by us to sell and deliver for its account to such retail purchasers as we may select, at the public offering price, such number as we may determine of the Securities that such Underwriter agrees to purchase under the Underwriting Agreement. Such reservations and sales to retail purchasers shall be made for the respective accounts of the Underwriters in the same proportions, as nearly as may be practicable and so long as Securities of the respective Underwriters are available therefor, as the respective underwriting obligations of the Underwriters.

We also authorize you, in your discretion, to reserve for sale, and to sell and deliver to securities dealers and others, which may include any Underwriters, selected by you ("Selected Dealers"), and to reserve for sale pursuant to Delayed Delivery Contracts arranged by you through Selected Dealers, all or any portion of the Securities to be purchased by us under the Underwriting Agreement, all as you shall determine. Any such sales to Selected Dealers may be made pursuant to the terms and conditions of your Master Selected Dealers Agreement or otherwise and shall be made for the respective accounts of the Underwriters in such proportions as you may determine. Each Selected Dealer shall be a person (a "Dealer") who is (a) a broker or dealer (as defined in the By-Laws of the National Association of Securities Dealers, Inc. (the "NASD")) actually engaged in the investment banking or securities business and (i) a member in good

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standing of the NASD that makes the representations and agreements applicable to such a member contained in Section 17 hereof or (ii) a foreign bank, broker, dealer or other institution not eligible for membership in the NASD that makes the representations and agreements applicable to such foreign institutions contained in Section 17 hereof, or (b) a "bank" as defined in Section 3(a)(6) of the Exchange Act (a "Bank") that is not a member of the NASD and that makes the representations and agreements applicable to Banks contained in Section 17 hereof. Reservations for sales to Selected Dealers for our account need not be in proportion to our underwriting obligation, but sales of Securities reserved for our account for sale to Selected Dealers shall be made as nearly as practicable in the ratio which the amount of Securities reserved for our account bears to the aggregate amount of Securities reserved for the account of all Underwriters, as calculated from day-to-day. Sales to Selected Dealers shall initially be at the public offering price, less a concession not in excess of the Selected Dealers' concession set forth in the Invitation and the price to persons other than Selected Dealers shall be at the public offering price. With your consent, the Underwriters may allow, and Selected Dealers may re-allow, a discount on sales to Dealers in an amount not in excess of the amount set forth in the Invitation. Upon your request, we will advise you of the identity of any Dealer to whom we allow such a discount and any Underwriter or Selected Dealer from whom we receive such a discount.

We also authorize you, in your discretion, to buy Immediate Delivery Securities for our account from Selected Dealers at the public offering price less such amount not in excess of the Selected Dealers' concession as you may determine.

At or before the time the Securities are released for sale, you shall notify us of the amount of Securities that has been reserved for our account for sale to Selected Dealers and for sale pursuant to Delayed Delivery Contracts and the amount that is to be retained by us for direct sale. After advice from you that the Securities are released for public offering, we will offer to the public, in conformity with the terms of the offering set forth in the Offering Document, such of our Securities, as you advise are not reserved. In connection with any offering of Securities that are registered under the Act and issued by an Issuer that was not, immediately prior to the filing of the Registration Statement, subject to the requirements of Section 13(a) or 15(d) of the Exchange Act, we agree that unless otherwise advised by you and disclosed in the Prospectus we will not make sales to any account over which we exercise discretionary authority with respect to that sale.

We agree that we will from time to time, upon your request, report to you the amount of Securities retained by us for direct sale that remain unsold. Upon your request, we will deliver to you for our account, or sell to you for the account of one or more of the Underwriters, such amount of unsold Securities as you may designate at the public offering price less, in the case of sales or deliveries for the account of Selected Dealers, an amount determined by you not in excess of the concession to Selected Dealers. You may also repurchase Securities from other Underwriters and Selected Dealers, for the account of one or more of the other Underwriters, at the public offering price less, in the case of purchases for the account of Selected Dealers, an amount determined by you not in excess of the concession to Selected Dealers.

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You may from time to time deliver to any Underwriter, for carrying purposes or for sale by such Underwriter, any of the Securities then reserved for sale pursuant to Delayed Delivery Contracts or for sale to, but not purchased and paid for by, Selected Dealers, all as above; provided, however, to the extent that Securities are so delivered for sale by such Underwriter, the amount of Securities then reserved for the account of such Underwriter shall be correspondingly reduced. Securities delivered for carrying purposes only shall be redelivered to you upon demand.

If, in accordance with the terms of offering set forth in the Offering Document, the offering of the Securities is not at a fixed price but at varying prices set by individual Underwriters based on market prices or at negotiated prices, the provisions of the first paragraph of this Section relating to your right to change the public offering price and concessions and discounts to dealers shall not apply, and other references in this Section and elsewhere in this Master Agreement among Underwriters to the public offering price or Selected Dealers' concession shall be deemed to mean the prices and concessions determined by you from time to time in your discretion.

Any Securities sold or loaned by us (otherwise than through you) which you purchase in the open market for the account of any Underwriter will be repurchased by us on demand at the cost of such purchase plus commissions and taxes on redelivery. Securities delivered on such repurchase need not be represented by the identical certificates so purchased. In lieu of such action you may in your discretion sell for our account the Securities so purchased and debit or credit our account for the loss or profit resulting from such sale, or charge our account with an amount not in excess of the Selected Dealers' concession with respect to such Securities.

(b) We authorize you to act on our behalf in making all arrangements for the solicitation of offers to purchase Delayed Delivery Securities from the Issuer pursuant to Delayed Delivery Contracts and we agree that all such arrangements will be made only through you, directly or through Selected Dealers (including Underwriters acting as Selected Dealers) to whom you may pay a commission as provided in the Offering document and herein.

The obligation of each of the Underwriters to purchase and pay for securities as set forth in the Underwriting Agreement shall be reduced in the proportion provided for therein, except that (i) as to any Delayed Delivery Contract determined by you, in your discretion, to have been directed and allocated by a purchaser to a particular Underwriter, such obligation of such Underwriter shall be reduced by the amount of Delayed Delivery Securities covered thereby, (ii) as to any Delayed Delivery Contracts for which arrangements are made through Selected Dealers, such Obligation of each Underwriter shall be reduced as nearly as practicable in the proportion determined by you that the amount of Securities of such Underwriter reserved and sold pursuant to Delayed Delivery Contracts arranged through Selected Dealers bears to the total Securities so reserved and sold, and (iii) such reductions shall be rounded, as you shall determine, to the nearest $1,000 principal amount or whole share or unit of the Securities.

The fee payable by the Issuer to each Underwriter with respect to Delayed Delivery Securities pursuant to the Underwriting Agreement shall be credited to the account of such Underwriter

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based upon the amount by which such Underwriter's underwriting obligation is reduced as specified in the preceding paragraph.

If the amount of Delayed Delivery Securities applied to reduce an Underwriter's underwriting obligation and the amount of Immediate Delivery Securities sold by or for the account of such Underwriter exceeds such Underwriter's underwriting obligation, there shall be credited to such Underwriter with respect to such excess amount of Securities only the amount of the Selected Dealers' concession; provided, however, that no amount shall be credited to such Underwriter with respect to such excess amount of such Securities if such Underwriter is a Bank and the Securities do not constitute "exempted securities" within the meaning of
Section 3(a)(12) of the Exchange Act.

The commissions payable to Selected Dealers in respect of Delayed Delivery Contracts arranged through them shall be charged to each Underwriter in the proportion which the amount of Securities of such Underwriter reserved and sold pursuant to Delayed Delivery Contracts arranged through Selected Dealers bears to the total Securities so reserved and sold.

5. We authorize you to make payment on our behalf to the Issuer or any selling securityholder of the purchase price of our Securities, to take delivery of our Securities, registered as you may direct in order to facilitate deliveries, and to deliver our reserved Securities against sales. At your request we will pay you an amount equal to the public offering price, less the selling concession, of either our Securities or our unreserved Securities as you direct, and such payment will be credited to our account and applied to the payment of the purchase price. After you receive payment for reserved Securities sold for our account, you will remit to us the purchase price (if any) paid by us for such Securities and credit or debit our account with the difference between the sale prices and the purchase price thereof. You will deliver to us our unreserved Securities promptly, and our reserved but unsold Securities, against payment of the purchase price therefor (except in the case of Securities for which payment has previously been made), as soon as practicable after the termination of the provisions referred to in Section 10(a), except that if the aggregate amount of reserved but unsold Securities upon such termination does not exceed 20% of the total amount of the Securities, you may in your discretion sell such reserved but unsold Securities for the accounts of the several Underwriters as soon as practicable after such termination, at such prices and in such manner as you determine.

In the event that the Underwriting Agreement for an offering provides for the payment of a commission or other compensation, we authorize you to receive for our account payments of the commission or other compensation payable to the Underwriters by the Issuer, as provided in the Underwriting Agreement.

Notwithstanding the foregoing provisions of this Section, if transactions in the Securities can be settled through the facilities of The Depository Trust Company ("DTC"), if we are a member of DTC we hereby authorize you, in your discretion, to make appropriate arrangements for payment and/or delivery through the facilities of DTC of the Securities to be purchased by us, or if we are

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not a member of DTC, settlement may be made through a corespondent that is a member of DTC pursuant to our timely instructions.

6. In connection with the purchase or carrying of our Securities or other securities purchased for our account, we authorize you, in your discretion, to advance your funds for our account, charging current interest rates, to arrange loans for our account, and in connection therewith to execute and deliver any notes or other instruments and hold or pledge as security any of our Securities or such other securities. Any lender may rely upon your instructions in all matters relating to any such loan. Any Securities or such other securities held by you for our account may be delivered to us for carrying purposes, and if so delivered will be redelivered to you upon demand.

7. We authorize you, in your discretion, to make purchases and sales of Securities, and other securities of the Issuer of the same class and series and any other securities of the Issuer which you may designate in the open market or otherwise, for long or short account, on such terms as you deem advisable, and to over-allot in arranging sales to Selected Dealers or others. You may, in your discretion, liquidate any long position or cover any short position incurred pursuant to this Section 7 at such prices and on such terms as you may determine. Such purchases and sales (including over-allotments) will be made for the accounts of the Underwriters as nearly as practicable in proportion to their respective underwriting obligations. It is understood that you may have made purchases of securities of the Issuer for stabilizing purposes prior to the time when we became one of the Underwriters, and we agree that any such securities so purchased shall be treated as having been purchased for the respective accounts of the Underwriters pursuant to the foregoing authorization. We further authorize you, in your discretion, to cover any short position incurred pursuant to this Section by purchasing securities on such terms as you deem advisable. Except as provided in this Section, at no time will our net commitment under the foregoing provisions of this Section exceed 20% (or such other amount as may be specified in the Invitation) of our underwriting obligation excluding Securities which may be purchased upon exercise of an over-allotment option, provided that such percentage may be increased with the approval of a majority in interest of the Underwriters. In the case of our net commitment for short account, our net commitment will be computed assuming that all Securities which may be purchased upon exercise of an over-allotment option are acquired. We will on demand take up at cost any securities so purchased and deliver any securities so sold or over-allotted for our account, and, if any other Underwriter defaults in its corresponding obligation, we will assume our proportionate share of such obligation without relieving the defaulting Underwriter from liability. Upon request, we will advise you of the Securities retained by us and unsold and will sell to you for the account of one or more of the Underwriters such of our unsold Securities and at such price, not less than the net price to Selected Dealers nor more than the public offering price, as you determine.

If you effect any stabilizing purchases pursuant to this Section 7, you shall promptly notify us of the date and time of the first stabilizing purchase and the date and time when stabilizing was terminated. You shall prepare and maintain such records as are required to be maintained by you as manager pursuant to Rule 17a-2 under the Exchange Act.

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8. Unless the Securities are "exempted securities" as defined in Section 3(a)(12) of the Exchange Act, we and you agree not to bid for, purchase, attempt to induce others to purchase, or sell directly or indirectly, any Securities, any other securities of the Issuer of the same class and series and any other securities of the Issuer which you may designate, except as brokers pursuant to unsolicited orders, except to the extent permitted by Regulation M (subject to any applicable exemption therefrom) under the Exchange Act as interpreted by the Commission, and except as otherwise provided in this Master Agreement Among Underwriters. If the Securities are or include common stock or securities convertible or exchangeable into or exchangeable for common stock and the Securities are not "exempted securities" as defined in Section 3(a)(12) of the Exchange Act, we and you also agree not to effect, or attempt to induce others to effect, directly or indirectly, any transactions in or relating to put or call options on any stock of the Issuer, except to the extent permitted by Regulation M (subject to any applicable exemption therefrom) under the Exchange Act as interpreted by the Commission.

If the Securities are convertible or exchangeable into or exercisable for shares of common stock and such common stock is subject to options traded on a securities exchange, we represent and warrant that we have not, since the day following the date of the invitation telex, entered into a discount or parity opening uncovered writing transaction in options to acquire shares of such common stock for our account or for the account of any customer and we agree that we will not enter into any such transaction prior to the termination of the provisions of Section pursuant to Section 10 hereof with respect to such offering of Securities. The term "discount or parity opening uncovered writing transaction" means an opening sale transaction where the seller is the writer of an option to purchase shares of such common stock which he does not then own or have the right to acquire upon exercise of conversion or option rights, which option is sold at a price (exclusive of commissions) per optioned share which, when added to the amount per share payable upon exercise of the option, shall be equal to or less than the last reported sales price (exclusive of commissions) per share immediately prior to the time such option is sold.

9. We represent and warrant that the incurrence by us of our obligations under this Master Agreement Among Underwriters and the Underwriting Agreement in connection with the offering of the Securities will not place us in violation of Rule 15c3-1 under the Exchange Act, if such requirements are applicable to us, or, if we are a financial institution subject to regulation by the Board of Governors of the Federal Reserve System, the Comptroller of the Currency or the Federal Deposit Insurance Corporation, will not place us in violation of the capital requirements of such regulator or any other regulator to which we are subject. We further represent and warrant that in connection with the offering of the Securities we have complied, and agree that we will comply, with the provisions of Regulation M under the Exchange Act with regard, inter alia, to trading in the Securities by Underwriters. We agree that, for purposes of the foregoing sentence, in addition to the Securities, any of the Issuer's securities deemed to be of the same class and series as the Securities shall be subject to trading restrictions under Regulation M.

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10. (a) With respect to any particular offering of Securities, the terms and conditions of (i) the second and third sentences of the fourth paragraph of section 4(a), (ii) the last paragraph of Section 4(a), (iii) the first sentence of Section 7, and (iv) Section 8 (collectively, the "Offering Provisions") will terminate at the close of business on the 45th day after the date of the initial public offering of the Securities or at the close of business on the day of the closing of the purchase of the Securities by the Underwriters pursuant to the Underwriting Agreement, whichever is later, unless in either such case the effectiveness of the Offering Provisions is extended or sooner terminated as hereinafter provided. You may extend the effectiveness of such Offering Provisions up to an additional 15 days by notice to us to the effect that the Offering Provisions of this Master Agreement Among Underwriters are extended to the date or by the number of days indicated in the notice. You may terminate such Offering Provisions, other than the last paragraph of Section 4(a), at any time by notice to us to the effect that the Offering Provisions of this Master Agreement Among Underwriters are terminated and you may terminate the provisions of the last paragraph of Section 4(a) at any time at or subsequent to the termination of the other provisions by notice to us to the effect that the penalty bid provisions of this Master Agreement Among Underwriters are terminated. All other provisions of this Master Agreement Among Underwriters shall remain operative and in full force and effect with respect to such offering of Securities.

(b) This Master Agreement Among Underwriters may be terminated by either party hereto upon five business days' written notice to the other party; provided, however, that with respect to any particular offering of Securities, if you receive any such notice from us after our Acceptance for such offering, this Master Agreement Among Underwriters shall remain in full force and effect as to such offering and shall terminate with respect to such offering and all previous offerings only in accordance with and to the extent provided in subsection (a) of this Section.

(c) This Master Agreement Among Underwriters may be supplemented or amended by you by notice to us by written communication and, except for supplements or amendments set forth in an Invitation, any such supplement or amendment to this Master Agreement Among Underwriters shall be effective with respect to any offering to which this Master Agreement Among Underwriters applies after the date of such supplement or amendment. Each reference to "this Master Agreement Among Underwriters" herein shall, as appropriate, be to this Master Agreement Among Underwriters as so supplemented and amended.

11. Except as otherwise provided herein, you may charge our account with any transfer taxes on sales made by you of Securities purchased by us under the Underwriting Agreement and with our proportionate share (based upon our underwriting obligation) of all other expenses incurred by you under this Master Agreement Among Underwriters or in connection with the purchase, carrying, sale or distribution of the Securities. The accounts hereunder will be settled as promptly as practicable after the termination of the Offering Provisions referred to in the first sentence of Section 10(a), but you may reserve such amount as you deem advisable for additional expenses. Your determination of the amount to be paid to or by us will be conclusive. You may at any time make partial distributions of credit balances or call for payment of debit balances. Any of our funds in your hands may be held with your general funds without

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accountability for interest. Notwithstanding any settlement, we will remain liable for any taxes on transfers for our account, and for our proportionate share (based upon our underwriting obligation) of all expenses and liabilities which may be incurred by or for the accounts of the Underwriters.

12. Default by one or more Underwriters hereunder or under the Underwriting Agreement will not release the other Underwriters from their obligations or affect the liability of any defaulting Underwriter to the non-defaulting Underwriters for damages resulting from such default. If one or more Underwriters default under the Underwriting Agreement, you may arrange for the purchase by others, including non-defaulting Underwriters, of Securities not taken up by the defaulting Underwriter or Underwriters.

13. You will be under no liability to us for any act or omission except for obligations expressly assumed by you herein, and no obligations on your part will be implied hereby or inferred here. The rights and liabilities of the Underwriters are several and not joint, and nothing will constitute the Underwriters a partnership, association or separate entity.

If for Federal income tax purposes the Underwriters should be deemed to constitute a partnership then we elect to be excluded from the application of Subchapter K, Chapter 1, Subtitle A, of the Internal Revenue Code of 1986, as amended, and agree not to take any position inconsistent with such election. You, as Representative, are authorized, in your discretion, to execute on behalf of the Underwriters such evidence of such election as may be required by the Internal Revenue Service.

14. We agree to indemnify, hold harmless and reimburse each other Underwriter and each person, if any, who controls such other Underwriter within the meaning of Section 15 of the Act, to the extent, and upon the terms, that such Underwriter agrees to indemnify, hold harmless and reimburse the Issuer and certain other persons pursuant to the Underwriting Agreement. This indemnity agreement shall remain in full force and effect regardless of any investigation made by or on behalf of such other Underwriter or controlling person or any statement made to the Commission as to the results thereof.

15. Each Underwriter (including you) agrees to pay upon your request, as contribution, its proportionate share, based upon its underwriting obligation, of any losses, claims, damages or liabilities, joint or several, under the Act or otherwise, paid or incurred by any Underwriter (including you) to any person other than an Underwriter (including amounts paid by an Underwriter as contribution), arising out of or based upon any untrue statement or alleged untrue statement of any material fact contained in the Offering Document, any amendment or supplement thereto, or any related preliminary Offering Document or any other selling or advertising material approved by you for use by the Underwriters in connection with the sale of the Securities, or arising out of or based upon the omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading (other than an untrue statement or alleged untrue statement or omission or alleged omission made in reliance upon and in conformity with written information furnished to he

12

Issuer by an Underwriter through you specifically for use therein); and we will pay such proportionate share of any legal or other expenses reasonably incurred by you or with your consent in connection with investigating or defending any such loss, claim, damage or liability, or any action in respect thereof. In determining the amount of any Underwriter's obligation under this Section, appropriate adjustment may be made by you to reflect any amounts received by any one or more Underwriters from any person in respect of such claim from the Issuer, any selling securityholder or any other person (other than an Underwriter) pursuant to the Underwriting Agreement or otherwise. In respect of any claim there shall be credited against any amount paid or payable by us pursuant to this Section any loss, damage, liability or expense which is incurred by us as a result of any such claim being asserted against us, and if such loss, claim, damage, liability or expense is incurred by us subsequent to any payment by us pursuant to this Section, appropriate provision shall be made to effect such credit, by refund or otherwise. If any such claim is asserted, you may take such action in connection therewith as you deem necessary or desirable, including retention of counsel for the Underwriters, and in your discretion separate counsel so retained by you shall be included in the amounts payable pursuant to this Section. In determining amounts payable pursuant to this Section, any loss, claim, damage, liability or expense paid or incurred, and any amount received, by any person controlling any Underwriter within the meaning of Section 15 of the Act which has been paid or incurred or received by reason of such control relationship shall be deemed to have been paid or incurred or received by such Underwriter. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. At your discretion, you may consent to being named as the representatives of a defendant class of underwriters. Any Underwriter may elect to retain at its own expense its own counsel and, on advice of such counsel and with your consent, may settle or consent to the settlement of any such claim. You may settle or consent to the settlement of any such claim, on advice of counsel retained by you, with the approval of a majority in interest of the Underwriters. Whenever we receive notice of the assertion of any claim to which the provisions of this Section would be applicable, we will give prompt notice thereof to you. Whenever you receive notice of the assertion of any claim to which the provisions of this Section would be applicable, you will give prompt notice thereof to each Underwriter. You will also furnish each Underwriter with periodic reports, at such times as you deem appropriate, as to the status of such claim and the action taken by you in connection therewith. If any Underwriter or Underwriters default in their obligation to make any payments under this Section, each non-defaulting Underwriter shall be obligated to pay its proportionate share of all defaulted payments, based upon such Underwriter's underwriting obligation as related to the underwriting obligations of all non-defaulting Underwriters without, however, relieving such defaulting Underwriter from its liability therefor.

16. We authorize you to file with the Commission and any other governmental agency any reports required in connection with any transactions effected by you for our account pursuant to this Master Agreement Among Underwriters, and we will furnish any information needed for such reports. We agree to transmit to you for filing with the Commission any report required to be made by us pursuant to the Exchange Act as a result of any transactions effected in connection with the offering of the Securities. You agree to inform us, upon our request, of the

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states and other jurisdictions in the United States in which it is believed that the Securities are qualified for sale under, or are exempt from the requirements of, their respective securities laws. However, you will not have any responsibility with respect to the right of any Underwriter or other person to sell the Securities in any state or jurisdiction, notwithstanding any information you may furnish in that connection. If we propose to offer Securities outside the United States, its territories or its possessions, we will take, at our own expense, such action, if any, as may be necessary to comply with the laws of each foreign jurisdiction in which we propose to offer Securities. If applicable, we further authorize you to file on behalf of the several Underwriters with the NASD such required documents and information, if any, which have been furnished to you for filing pursuant to the applicable, rules, statements and interpretations of the NASD. If in your discretion you deem it necessary, you are further authorized to file with the Department of State of the State of New York and Further State Notice with respect to the Securities.

17. You represent and warrant that you are a member in good standing of the NASD, and we represent and warrant that we are (a) a member in good standing of the NASD, (b) a Bank that is not a member of the NASD or (c) a foreign bank, broker, dealer or other institution not eligible for membership in the NASD. If we are such a member, we agree that in making sales of the Securities we will comply with all applicable rules of the NASD, including, without limitation, NASD Rule 2740. If we are not an NASD member, we agree to comply as though we were a member with NASD Rules 2730, 2740, and 2750 and to comply with the requirements of the NASD's Interpretation with Respect to Free-Riding and Withholding. If we are such a foreign bank, broker, dealer or other institution, we agree not to offer or sell any Securities in the United States of America except through you and in making sales of Securities we agree to comply with NASD Rule 2420 as it applies to a nonmember broker or dealer in a foreign country. If we are a Bank, we agree that we will not accept any portion of the management fee paid by the Underwriters with respect to the offering of any Securities or, in connection with the public offering of any Securities that do not constitute "exempted securities" within the meaning of Section 3(a)(12) of the Exchange Act, purchase any Securities at a discount from the offering price from any Underwriter or Selected Dealer or otherwise accept any selling concession, discount or other allowance from any Underwriter or Selected Dealer, which in any such case is not permitted under the NASD's Rules of Fair Practice, and we agree to comply with NASD Rule 2420 as though we were a member.

18. Any notice to us shall be deemed to have been duly given if mailed, hand-delivered, telephoned (and confirmed in writing), telegraphed, telexed, telecopied or wired communicated to us at the address set forth on the signature page hereof, or at such other address as we shall notify you in writing. Communications by telegram, telex, telecopy, wire or other written form shall be deemed to be "written" communications.

19. This Master Agreement Among Underwriters shall be governed by, and construed in accordance with, the laws of the State of New York applicable to agreements made and to be wholly performed in such State.

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20. This Master Agreement Among Underwriters may be executed in any number of counterparts, each of which shall be deemed an original, which taken together shall constitute one and the same instrument.

Very truly yours,


(Name of Firm)

By

Name:
Title:

Address:


Telephone:
Telecopy:

Confirmed, as of the date
first above written

WACHOVIA CAPITAL MARKETS, LLC

By
Name:
Title:

15

ANNEX A

WACHOVIA CAPITAL MARKETS, LLC
MASTER UNDERWRITERS' QUESTIONNAIRE

In connection with each offering of securities ("Securities") pursuant to the Master Agreement Among Underwriters of Wachovia Capital Markets, LLC ("WCM") dated __________, 2003, we confirm that except as set forth in our Acceptance of an Invitation to participate in such offering or other communication furnished to WCM prior to the effectiveness of our commitment to purchase:

(a) Neither we nor any of our directors, officers or partners have a material relationship (as "material" is defined in Regulation C under the Securities Act of 1933) with the Issuer and, if the offer and sale of the Securities are to be registered under the Securities Act of 1933 pursuant to a Registration Statement on Form S-1 or F-1, neither we nor any "group" (as that term is used in Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Exchange Act")) of which we are a member is the beneficial owner (determined in accordance with Rule 13d-3 under the Exchange Act), of more than 5% of any class of voting securities of the Issuer, nor do we have any knowledge that more than 5% of any class of voting securities of the Issuer is held or is to be held subject to any voting trust or other similar agreement;

(b) Except as described in the Offering Document, we do not know of any discounts or commissions to be allowed or paid to dealers, including all cash, securities, contracts or other consideration to be received by any dealer in connection with the sale of the Securities, nor are we aware of any intention to overallot or that the price of any security may be stabilized to facilitate the offering of the Securities;

(c) We have not prepared any report or memorandum for external use in connection with the proposed offering and, if the offer and sale of the Securities are to be registered under the Securities Act of 1933, as amended (the "Act") pursuant to a Registration Statement on Form S-1 or F-1, we have not within the past twelve months prepared or had prepared for us any engineering, management, research or similar report or memorandum relating (i) to the broad aspects of the business, operations or products of the Issuer, with the exception of reports solely comprised of recommendations to buy, sell or hold the Issuer's securities, unless such recommendations have changed within the past six months or (ii) to information already contained in documents filed with the Securities and Exchange Commission;

(d) We are not an "affiliate" of the Issuer for purposes of NASD Rule 2720 on the understanding that under NASD Rule 2720 (except as provided in Rule 2720(b) thereof) two entities are "affiliates" of each other if one entity controls, is controlled by, or is under common control with, the second entity and that "control" is presumed to exist if one entity (or, in the case of an NASD member, the entity and all "persons associated

16

with" it (as defined in the NASD Rules)) beneficially owns 10% or more of the second entity's outstanding voting securities;

(e) If the Securities to be offered are debt securities and their offer and sale are to be registered under the Act, (i) we are not an "affiliate" (as defined in Rule O-2 under the Trust Indenture Act of 1939, as amended) of the Trustee for Securities or of any parent company of such Trustee; (ii) neither such Trustee nor its parent company, if any, nor any director or executive officer of either of them is a "director, officer, partner, employee, appointee or representative" of ours (as those terms are defined in the Trust Indenture Act of 1939, as amended, or in the relevant instructions to Form T-1 thereunder); and (iii) we and our directors, partners and executive officers, taken as a group, do not own beneficially one percent or more of the shares of any class of outstanding voting securities of such Trustee or of its parent company, if any;

(f) If we are a corporation, we do not have outstanding nor have we assumed or guaranteed any securities issued otherwise than in our present corporate name;

(g) If we are, or are affiliated with, any U.S. or non-U.S. bank, we hereby represent and warrant that our participation in the offering of the Securities on the terms contemplated in the Master Agreement Among Underwriters and the proposed Underwriting Agreement does not contravene any U.S. or state banking law restricting the exercise of securities powers in the United States;

(h) If the Securities are not issued by a real estate investment trust, then no portion of the net offering proceeds from the sale of the Securities will be paid to us or any of our affiliates or "persons associated with" us (as defined in the NASD Rules) or members of the immediate family of any such person;

(i) If the filing with the NASD is required, then neither we nor any of our directors, officers, partners or "persons associated with" us (as defined in the NASD Rules), nor, to our knowledge, any "related person" (defined by the NASD to include counsel, financial consultants and advisors, finders, members of the selling or distribution group, any NASD member participating in the public offering and any other persons associated with or related to, and members of the immediate family of, any of the foregoing) or any other broker-dealer, (i) within the last 12 months has purchased in private transactions, or intends before, at or within 6 months after the commencement of the public offering of the Securities to purchase in private transactions, any securities of the Issuer or any Issuer Related Party (as hereinafter defined, (ii) within the last 12 months had any dealings with the Issuer, any of the selling stockholders or any parent, subsidiary or controlling stockholder thereof (other than relating to the proposed Underwriting Agreement, Master Agreement Among Underwriters and selling arrangements), as to which documents or information are required to be filed with the NASD pursuant to its Corporate Financing Rule or (iii) during the 12 months immediately preceding the filing of the registration statement, has entered into any

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arrangement which provided or provides for the receipt of any item of value
(including, but not limited to, cash payments and expense reimbursements)
and/or the transfer of any warrants, options or other securities from the Issuer or any Issuer Related Party to us or any related person;

(j) If the Securities are not issued by a registered investment company, direct participation program or real estate investment trust, then there is no association or affiliation between us and (i) any officer or director of the Issuer or any Issuer Related Party, or (ii) any securityholder of 5% or more of any class of securities of the Issuer or an Issuer Related Party; it being understood that for purposes of paragraph
(k) above and this paragraph (l), the term "Issuer Related Party" includes any selling securityholder offering securities to the public, any affiliate of the Issuer or a selling security holder, and the officers, general partners, directors, employees and securityholders thereof;

(k) If the Securities are not issued by a registered investment company, direct participation program or real estate investment trust, then we do not have a "conflict of interest" with the Issuer under NASD Rule 2720; it being understood that, except as otherwise provided in NASD Rule 2720(b), a conflict of interest would exist if we, our "parent" (as defined in the NASD Rules), affiliates and "persons associated with" us (as defined in the NASD Rules) in the aggregate beneficially owned 10% or more of the Issuer's "common equity", "preferred equity" or "subordinated debt" (as each such term is defined in NASD Rule 2720);

(l) If the Issuer does not have any securities registered under
Section 12 of Exchange Act and is not otherwise subject to Section 15(d) of the Exchange Act, then we do not intend to confirm sales of the Securities to any accounts over which we exercise discretionary authority; and

(m) If the Issuer is a public utility, then we are not a "holding company" or a "subsidiary company" or an "affiliate" of a "holding company" or of a "public utility", each as defined in the Public Utility Holding Company Act of 1935.

(n) We are familiar with the rules, regulations and releases of the Securities and Exchange Commission dealing with the dissemination of information prior to and during registration, and we hereby inform you that neither we nor any of our directors, officers or partners have disseminated or will disseminate outside our organization any information relating to the Company or its securities of a nature or under circumstances indicated by those rules, regulations and releases to constitute a possible violation of the securities laws.

(o) We have no knowledge of any untrue statement of a material fact contained in the Registration Statement or any omission to state any material fact required therein to be stated or necessary to make the statements therein not misleading.

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(p) Our commitment to purchase Securities, including pursuant to an over-allotment option, will not result in the violation by us of the financial responsibility requirements of Rule 15c3-1 under the Securities Exchange Act of 1934 or a similar provision of a securities exchange to which we are subject.

WE WILL NOTIFY YOU IMMEDIATELY IN THE EVENT OF ANY DEVELOPMENT BEFORE THE EFFECTIVE DATE OF THE REGISTRATION STATEMENT WHICH MAKES UNTRUE OR INCOMPLETE ANY OF THE ABOVE STATEMENTS AS OF SUCH EFFECTIVE DATE. We will keep an accurate record of the distribution of copies of the preliminary prospectus and agree to deliver any revised preliminary prospectus. We also agree to furnish the final prospectus to each person who purchases Securities from us and to otherwise comply with applicable securities laws.

We are aware that the staff of the Securities and Exchange Commission may not review the registration statement (and we will assume, unless advised to the contrary, that the staff of the Commission has not reviewed the registration statement) and that the review process of the Commission may not be relied upon in any degree to indicate the registration statement is true, complete or accurate. We are aware of our statutory responsibilities under the Securities Act of 1933, and we authorize Wachovia Securities, Inc. on behalf of the Representatives, on our behalf to so advise the Commission in writing.

Very truly yours,


(Name of Firm)

By:

Name:
Title:
Date:

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Exhibit j.1

CUSTODY AGREEMENT

AGREEMENT, dated as of June 15, 2007, between the Calamos closed-end funds listed on Schedule II hereto, as such Schedule may be amended from time to time to add additional funds managed by Calamos Advisors LLC (each such existing fund, and any additional fund, the "Fund"), each a business trust organized and existing under the laws of the State of Delaware having its principal office and place of business at c/o Calamos Advisors LLC, 2020 Calamos Court, Naperville, Illinois, 60563-2787 and The Bank of New York, a New York corporation authorized to do a banking business having its principal office and place of business at One Wall Street, New York, New York 10286 ("Custodian").

W I T N E S S E T H:

that for and in consideration of the mutual promises hereinafter set forth the Fund and Custodian agree as follows:

ARTICLE I
DEFINITIONS

Whenever used in this Agreement, the following words shall have the meanings set forth below:

1. "AUTHORIZED PERSON" shall be any person, whether or not an officer or employee of the Fund, duly authorized by the Fund's board to execute any Certificate or to give any Oral Instruction with respect to one or more Accounts, such persons to be designated in a Certificate annexed hereto as Schedule I hereto or such other Certificate as may be received by Custodian from time to time.

2. "BNY AFFILIATE" shall mean any office, branch or subsidiary of The Bank of New York Company, Inc.

3. "BOOK-ENTRY SYSTEM" shall mean the Federal Reserve/Treasury book-entry system for receiving and delivering securities, its successors and nominees.

4. "BUSINESS DAY" shall mean any day on which Custodian and relevant Depositories are open for business.

5. "CERTIFICATE" shall mean any notice, instruction, or other instrument in writing, authorized or required by this Agreement to be given to Custodian, which is actually received by Custodian by letter or facsimile transmission and signed on behalf of the Fund by an Authorized Person or a person reasonably believed by Custodian to be an Authorized Person.


6. "COMPOSITE CURRENCY UNIT" shall mean the Euro or any other composite currency unit consisting of the aggregate of specified amounts of specified currencies, as such unit may be constituted from time to time.

7. "DEPOSITORY" shall include (a) the Book-Entry System, (b) the Depository Trust Company, (c) any other clearing agency or securities depository registered with the Securities and Exchange Commission identified to the Fund from time to time, and (d) the respective successors and nominees of the foregoing.

8. "FOREIGN DEPOSITORY" shall mean (a) Euroclear, (b) Clearstream Banking, societe anonyme, (c) each Eligible Securities Depository as defined in Rule 17f-7 under the Investment Company Act of 1940, as amended, identified to the Fund from time to time, and (d) the respective successors and nominees of the foregoing.

9. "INSTRUCTIONS" shall mean communications transmitted by electronic or telecommunications media, including S.W.I.F.T., computer-to-computer interface, or dedicated transmission lines.

10. "ORAL INSTRUCTIONS" shall mean verbal instructions received by Custodian from an Authorized Person or from a person reasonably believed by Custodian to be an Authorized Person.

11. "SERIES" shall mean the various portfolios, if any, of the Fund listed on Schedule II hereto, and if none are listed references to Series shall be references to the Fund.

12. "SECURITIES" shall include, without limitation, any common stock and other equity securities, bonds, debentures and other debt securities, notes, mortgages or other obligations, and any instruments representing rights to receive, purchase, or subscribe for the same, or representing any other rights or interests therein (whether represented by a certificate or held in a Depository or by a Subcustodian).

13. "SUBCUSTODIAN" shall mean a bank (including any branch thereof) or other financial institution (other than a Foreign Depository) located outside the U.S. which is utilized by Custodian in connection with the purchase, sale or custody of Securities hereunder and identified to the Fund from time to time, and their respective successors and nominees.

ARTICLE II
APPOINTMENT OF CUSTODIAN; ACCOUNTS;
REPRESENTATIONS, WARRANTIES, AND COVENANTS

1. (a) The Fund hereby appoints Custodian as custodian of all Securities and cash at any time delivered to Custodian during the term of this Agreement, and authorizes Custodian to hold Securities in registered form in its name or the name of its nominees. Custodian hereby accepts such appointment and agrees to establish and maintain one or more securities accounts and cash accounts for each Series in which Custodian will hold Securities and cash as provided herein. Custodian shall maintain books and records segregating the assets of each Series from the assets

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of any other Series. Such accounts (each, an "Account"; collectively, the "Accounts") shall be in the name of the Fund.

(b) Custodian may from time to time establish on its books and records such sub-accounts within each Account as the Fund and Custodian may agree upon (each a "Special Account"), and Custodian shall reflect therein such assets as the Fund may specify in a Certificate or Instructions.

(c) Custodian may from time to time establish pursuant to a written agreement with and for the benefit of a broker, dealer, future commission merchant or other third party identified in a Certificate or Instructions such accounts on such terms and conditions as the Fund and Custodian shall agree, and Custodian shall transfer to such account such Securities and money as the Fund may specify in a Certificate or Instructions.

2. The Fund hereby represents and warrants, which representations and warranties shall be continuing and shall be deemed to be reaffirmed upon each delivery of a Certificate or each giving of Oral Instructions or Instructions by the Fund, that:

(a) It is duly organized and existing under the laws of the jurisdiction of its organization, with full power to carry on its business as now conducted, to enter into this Agreement, and to perform its obligations hereunder;

(b) This Agreement has been duly authorized, executed and delivered by the Fund, approved by a resolution of its board, constitutes a valid and legally binding obligation of the Fund, enforceable in accordance with its terms, and there is no statute, regulation, rule, order or judgment binding on it, and no provision of its charter or by-laws, nor of any mortgage, indenture, credit agreement or other contract binding on it or affecting its property, which would prohibit its execution or performance of this Agreement;

(c) It is conducting its business in substantial compliance with all applicable laws and requirements, both state and federal, and has obtained all regulatory licenses, approvals and consents necessary to carry on its business as now conducted;

(d) It will not use the services provided by Custodian hereunder in any manner that is, or will result in, a violation of any law, rule or regulation applicable to the Fund;

(e) Its board or its foreign custody manager, as defined in Rule 17f-5 under the Investment Company Act of 1940, as amended (the "'40 Act"), has determined that use of each Subcustodian (including any Replacement Custodian) which Custodian is authorized to utilize in accordance with Section 1(a) of Article III hereof satisfies the applicable requirements of the '40 Act and Rule 17f-5 thereunder;

(f) The Fund or its investment adviser has determined that the custody arrangements of each Foreign Depository provide reasonable safeguards against the custody risks associated with maintaining assets with such Foreign Depository within the meaning of Rule 17f-7 under the '40 Act;

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(g) It is fully informed of the protections and risks associated with various methods of transmitting Instructions and Oral Instructions and delivering Certificates to Custodian, shall, and shall cause each Authorized Person, to safeguard and treat with extreme care any user and authorization codes, passwords and/or authentication keys, understands that there may be more secure methods of transmitting or delivering the same than the methods selected by the Fund, agrees that the security procedures (if any) to be utilized provide a commercially reasonable degree of protection in light of its particular needs and circumstances, and acknowledges and agrees that Instructions need not be reviewed by Custodian, may conclusively be presumed by Custodian to have been given by person(s) duly authorized, and may be acted upon as given;

(h) It shall manage its borrowings, including, without limitation, any advance or overdraft (including any day-light overdraft) in the Accounts, so that the aggregate of its total borrowings for each Series does not exceed the amount such Series is permitted to borrow under the '40 Act;

(i) Its transmission or giving of, and Custodian acting upon and in reliance on, Certificates, Instructions, or Oral Instructions pursuant to this Agreement shall at all times comply with the '40 Act;

(j) It shall impose and maintain restrictions on the destinations to which cash may be disbursed by Instructions to ensure that each disbursement is for a proper purpose; and

(k) It has the right to make the pledge and grant the security interest and security entitlement to Custodian contained in Section 1 of Article V hereof, free of any right of redemption or prior claim of any other person or entity, such pledge and such grants shall have a first priority subject to no setoffs, counterclaims, or other liens or grants prior to or on a parity therewith, and it shall take such additional steps as Custodian may require to assure such priority.

3. The Fund hereby covenants that it shall from time to time complete and execute and deliver to Custodian upon Custodian's request a Form FR U-1 (or successor form) whenever the Fund borrows from Custodian any money to be used for the purchase or carrying of margin stock as defined in Federal Reserve Regulation U.

ARTICLE III
CUSTODY AND RELATED SERVICES

1. (a) Subject to the terms hereof, the Fund hereby authorizes Custodian to hold any Securities received by it from time to time for the Fund's account. Custodian shall be entitled to utilize, subject to subsection (c) of this
Section 1, Depositories, Subcustodians, and, subject to subsection (d) of this
Section 1, Foreign Depositories, to the extent possible in connection with its performance hereunder. Securities and cash held in a Depository or Foreign Depository will be held subject to the rules, terms and conditions of such entity. Securities and cash held through Subcustodians shall be held subject to the terms and conditions of Custodian's agreements with such Subcustodians. Subcustodians may be authorized to hold Securities in Foreign Depositories in which such Subcustodians participate. Unless otherwise required by local law or practice or a

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particular subcustodian agreement, Securities deposited with a Subcustodian, a Depositary or a Foreign Depository will be held in a commingled account, in the name of Custodian, holding only Securities held by Custodian as custodian for its customers. Custodian shall identify on its books and records the Securities and cash belonging to the Fund, whether held directly or indirectly through Depositories, Foreign Depositories, or Subcustodians. Custodian shall, directly or indirectly through Subcustodians, Depositories, or Foreign Depositories, endeavor, to the extent feasible, to hold Securities in the country or other jurisdiction in which the principal trading market for such Securities is located, where such Securities are to be presented for cancellation and/or payment and/or registration, or where such Securities are acquired. Custodian at any time may cease utilizing any Subcustodian and/or may replace a Subcustodian with a different Subcustodian (the "Replacement Subcustodian"). In the event Custodian selects a Replacement Subcustodian, Custodian shall not utilize such Replacement Subcustodian until after the Fund's board or foreign custody manager has determined that utilization of such Replacement Subcustodian satisfies the requirements of the '40 Act and Rule 17f-5 thereunder.

(b) Unless Custodian has received a Certificate or Instructions to the contrary, Custodian shall hold Securities indirectly through a Subcustodian only if (i) the Securities are not subject to any right, charge, security interest, lien or claim of any kind in favor of such Subcustodian or its creditors or operators, including a receiver or trustee in bankruptcy or similar authority, except for a claim of payment for the safe custody or administration of Securities on behalf of the Fund by such Subcustodian, and (ii) beneficial ownership of the Securities is freely transferable without the payment of money or value other than for safe custody or administration.

(c) With respect to each Depository, Custodian (i) shall exercise due care in accordance with reasonable commercial standards in discharging its duties as a securities intermediary to obtain and thereafter maintain Securities or financial assets deposited or held in such Depository, and (ii) will provide, promptly upon request by the Fund, such reports as are available concerning the internal accounting controls and financial strength of Custodian.

(d) With respect to each Foreign Depository, Custodian shall exercise reasonable care, prudence, and diligence (i) to provide the Fund with an analysis of the custody risks associated with maintaining assets with the Foreign Depository, and (ii) to monitor such custody risks on a continuing basis and promptly notify the Fund of any material change in such risks. The Fund acknowledges and agrees that such analysis and monitoring shall be made on the basis of, and limited by, information gathered from Subcustodians or through publicly available information otherwise obtained by Custodian, and shall not include any evaluation of Country Risks. As used herein the term "Country Risks" shall mean with respect to any Foreign Depository: (a) the financial infrastructure of the country in which it is organized, (b) such country's prevailing custody and settlement practices, (c) nationalization, expropriation or other governmental actions, (d) such country's regulation of the banking or securities industry, (e) currency controls, restrictions, devaluations or fluctuations, and (f) market conditions which affect the order execution of securities transactions or affect the value of securities.

2. Custodian shall furnish the Fund with an advice of daily transactions (including a confirmation of each transfer of Securities) and a monthly summary of all transfers to or from the Accounts.

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3. With respect to all Securities held hereunder, Custodian shall, unless otherwise instructed to the contrary:

(a) Receive all income and other payments and advise the Fund as promptly as practicable of any such amounts due but not paid;

(b) Present for payment and receive the amount paid upon all Securities which may mature and advise the Fund as promptly as practicable of any such amounts due but not paid;

(c) Forward to the Fund copies of all information or documents that it may actually receive from an issuer of Securities which, in the opinion of Custodian, are intended for the beneficial owner of Securities;

(d) Execute, as custodian, any certificates of ownership, affidavits, declarations or other certificates under any tax laws now or hereafter in effect in connection with the collection of bond and note coupons;

(e) Hold directly or through a Depository, a Foreign Depository, or a Subcustodian all rights and similar Securities issued with respect to any Securities credited to an Account hereunder; and

(f) Endorse for collection checks, drafts or other negotiable instruments.

4. (a) Custodian shall notify the Fund of rights or discretionary actions with respect to Securities held hereunder, and of the date or dates by when such rights must be exercised or such action must be taken, provided that Custodian has actually received, from the issuer or the relevant Depository (with respect to Securities issued in the United States) or from the relevant Subcustodian, Foreign Depository, or a nationally or internationally recognized bond or corporate action service to which Custodian subscribes, timely notice of such rights or discretionary corporate action or of the date or dates such rights must be exercised or such action must be taken. Absent actual receipt of such notice, Custodian shall have no liability for failing to so notify the Fund.

(b) Whenever Securities (including, but not limited to, warrants, options, tenders, options to tender or non-mandatory puts or calls) confer discretionary rights on the Fund or provide for discretionary action or alternative courses of action by the Fund, the Fund shall be responsible for making any decisions relating thereto and for directing Custodian to act. In order for Custodian to act, it must receive the Fund's Certificate or Instructions at Custodian's offices, addressed as Custodian may from time to time request, not later than noon (New York time) at least two (2) Business Days prior to the last scheduled date to act with respect to such Securities (or such earlier date or time as Custodian may specify to the Fund). Absent Custodian's timely receipt of such Certificate or Instructions, Custodian shall not be liable for failure to take any action relating to or to exercise any rights conferred by such Securities.

5. All voting rights with respect to Securities, however registered, shall be exercised by the Fund or its designee. For Securities issued in the United States, Custodian's only duty shall

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be to mail to the Fund any documents (including proxy statements, annual reports and signed proxies) actually received by Custodian relating to the exercise of such voting rights. With respect to Securities issued outside of the United States, Custodian's only duty shall be to provide the Fund with access to a provider of global proxy services at the Fund's request. The Fund shall be responsible for all costs associated with its use of such services.

6. Custodian shall promptly advise the Fund upon Custodian's actual receipt of notification of the partial redemption, partial payment or other action affecting less than all Securities of the relevant class. If Custodian, any Subcustodian, any Depository, or any Foreign Depository holds any Securities in which the Fund has an interest as part of a fungible mass, Custodian, such Subcustodian, Depository, or Foreign Depository may select the Securities to participate in such partial redemption, partial payment or other action in any non-discriminatory manner that it customarily uses to make such selection.

7. Custodian shall not under any circumstances accept bearer interest coupons which have been stripped from United States federal, state or local government or agency securities unless explicitly agreed to by Custodian in writing.

8. The Fund shall be liable for all taxes, assessments, duties and other governmental charges, including any interest or penalty with respect thereto ("Taxes"), with respect to any cash or Securities held on behalf of the Fund or any transaction related thereto. The Fund shall indemnify Custodian and each Subcustodian for the amount of any Tax that Custodian, any such Subcustodian or any other withholding agent is required under applicable laws (whether by assessment or otherwise) to pay on behalf of, or in respect of income earned by or payments or distributions made to or for the account of the Fund (including any payment of Tax required by reason of an earlier failure to withhold). Custodian shall, or shall instruct the applicable Subcustodian or other withholding agent to, withhold the amount of any Tax which is required to be withheld under applicable law upon collection of any dividend, interest or other distribution made with respect to any Security and any proceeds or income from the sale, loan or other transfer of any Security. In the event that Custodian or any Subcustodian is required under applicable law to pay any Tax on behalf of the Fund, Custodian is hereby authorized to withdraw cash from any cash account in the amount required to pay such Tax and to use such cash, or to remit such cash to the appropriate Subcustodian or other withholding agent, for the timely payment of such Tax in the manner required by applicable law. If the aggregate amount of cash in all cash accounts is not sufficient to pay such Tax, Custodian shall promptly notify the Fund of the additional amount of cash (in the appropriate currency) required, and the Fund shall directly deposit such additional amount in the appropriate cash account promptly after receipt of such notice, for use by Custodian as specified herein. In the event that Custodian reasonably believes that Fund is eligible, pursuant to applicable law or to the provisions of any tax treaty, for a reduced rate of, or exemption from, any Tax which is otherwise required to be withheld or paid on behalf of the Fund under any applicable law, Custodian shall, or shall instruct the applicable Subcustodian or withholding agent to, either withhold or pay such Tax at such reduced rate or refrain from withholding or paying such Tax, as appropriate; provided that Custodian shall have received from the Fund all documentary evidence of residence or other qualification for such reduced rate or exemption required to be received under such applicable law or treaty. In the event that Custodian reasonably believes that a reduced rate of, or exemption from, any Tax is

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obtainable only by means of an application for refund, Custodian and the applicable Subcustodian shall have no responsibility for the accuracy or validity of any forms or documentation provided by the Fund to Custodian hereunder. The Fund hereby agrees to indemnify and hold harmless Custodian and each Subcustodian in respect of any liability arising from any underwithholding or underpayment of any Tax which results from the inaccuracy or invalidity of any such forms or other documentation, and such obligation to indemnify shall be a continuing obligation of the Fund, its successors and assigns notwithstanding the termination of this Agreement.

9. (a) For the purpose of settling Securities and foreign exchange transactions, the Fund shall provide Custodian with sufficient immediately available funds for all transactions by such time and date as conditions in the relevant market dictate. As used herein, "sufficient immediately available funds" shall mean either (i) sufficient cash denominated in U.S. dollars to purchase the necessary foreign currency, or (ii) sufficient applicable foreign currency, to settle the transaction. Custodian shall provide the Fund with immediately available funds each day which result from the actual settlement of all sale transactions, based upon advices received by Custodian from Subcustodians, Depositories, and Foreign Depositories. Such funds shall be in U.S. dollars or such other currency as the Fund may specify to Custodian.

(b) Any foreign exchange transaction effected by Custodian in connection with this Agreement may be entered with Custodian or a BNY Affiliate acting as principal or otherwise through customary banking channels. The Fund may issue a standing Certificate or Instructions with respect to foreign exchange transactions, but Custodian may establish rules or limitations concerning any foreign exchange facility made available to the Fund. The Fund shall bear all risks of investing in Securities or holding cash denominated in a foreign currency.

(c) To the extent that Custodian has agreed to provide pricing or other information services in connection with this Agreement, Custodian is authorized to utilize any vendor (including brokers and dealers of Securities) reasonably believed by Custodian to be reliable to provide such information. The Fund understands that certain pricing information with respect to complex financial instruments (e.g., derivatives) may be based on calculated amounts rather than actual market transactions and may not reflect actual market values, and that the variance between such calculated amounts and actual market values may or may not be material. Where vendors do not provide information for particular Securities or other property, an Authorized Person may advise Custodian in a Certificate regarding the fair market value of, or provide other information with respect to, such Securities or property as determined by it in good faith. Custodian shall not be liable for any loss, damage or expense incurred as a result of errors or omissions with respect to any pricing or other information utilized by Custodian hereunder.

10. Custodian shall promptly send to the Fund (a) any reports it receives from a Depository on such Depository's system of internal accounting control, and (b) such reports on its own system of internal accounting control as the Fund may reasonably request from time to time."

11. Until such time as Custodian receives a certificate to the contrary with respect to a particular Security, Custodian may release the identity of the Fund to an issuer which requests

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such information pursuant to the Shareholder Communications Act of 1985 for the specific purpose of direct communications between such issuer and shareholder.

ARTICLE IV
PURCHASE AND SALE OF SECURITIES;
CREDITS TO ACCOUNT

1. Promptly after each purchase or sale of Securities by the Fund, the Fund shall deliver to Custodian a Certificate or Instructions, or with respect to a purchase or sale of a Security generally required to be settled on the same day the purchase or sale is made, Oral Instructions specifying all information Custodian may reasonably request to settle such purchase or sale. Custodian shall account for all purchases and sales of Securities on the actual settlement date unless otherwise agreed by Custodian.

2. The Fund understands that when Custodian is instructed to deliver Securities against payment, delivery of such Securities and receipt of payment therefor may not be completed simultaneously. Notwithstanding any provision in this Agreement to the contrary, settlements, payments and deliveries of Securities may be effected by Custodian or any Subcustodian in accordance with the customary or established securities trading or securities processing practices and procedures in the jurisdiction in which the transaction occurs, including, without limitation, delivery to a purchaser or dealer therefor (or agent) against receipt with the expectation of receiving later payment for such Securities. The Fund assumes full responsibility for all risks, including, without limitation, credit risks, involved in connection with such deliveries of Securities.

3. Custodian may, as a matter of bookkeeping convenience or by separate agreement with the Fund, credit the Account with the proceeds from the sale, redemption or other disposition of Securities or interest, dividends or other distributions payable on Securities prior to its actual receipt of final payment therefor. All such credits shall be conditional until Custodian's actual receipt of final payment and may be reversed by Custodian to the extent that final payment is not received. Payment with respect to a transaction will not be "final" until Custodian shall have received immediately available funds which under applicable local law, rule and/or practice are irreversible and not subject to any security interest, levy or other encumbrance, and which are specifically applicable to such transaction.

ARTICLE V
OVERDRAFTS OR INDEBTEDNESS

1. If Custodian should in its sole discretion advance funds on behalf of any Series which results in an overdraft (including, without limitation, any day-light overdraft) because the money held by Custodian in an Account for such Series shall be insufficient to pay the total amount payable upon a purchase of Securities specifically allocated to such Series, as set forth in a Certificate, Instructions or Oral Instructions, or if an overdraft arises in the separate account of a Series for some other reason, including, without limitation, because of a reversal of a conditional

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credit or the purchase of any currency, or if the Fund is for any other reason indebted to Custodian with respect to a Series, including any indebtedness to The Bank of New York under the Fund's Cash Management and Related Services Agreement (except a borrowing for investment or for temporary or emergency purposes using Securities as collateral pursuant to a separate agreement and subject to the provisions of Section 2 of this Article), such overdraft or indebtedness shall be deemed to be a loan made by Custodian to the Fund for such Series payable on demand and shall bear interest from the date incurred at a rate per annum ordinarily charged by Custodian to its institutional customers, as such rate may be adjusted from time to time. In addition, the Fund hereby agrees that Custodian shall to the maximum extent permitted by law have a continuing lien, security interest, and security entitlement in and to any property, including, without limitation, any investment property or any financial asset, of such Series at any time held by Custodian for the benefit of such Series or in which such Series may have an interest which is then in Custodian's possession or control or in possession or control of any third party acting in Custodian's behalf. The Fund authorizes Custodian, in its sole discretion, at any time to charge any such overdraft or indebtedness together with interest due thereon against any balance of account standing to such Series' credit on Custodian's books.

2. If the Fund borrows money from any bank (including Custodian if the borrowing is pursuant to a separate agreement) for investment or for temporary or emergency purposes using Securities held by Custodian hereunder as collateral for such borrowings, the Fund shall deliver to Custodian a Certificate specifying with respect to each such borrowing: (a) the Series to which such borrowing relates; (b) the name of the bank, (c) the amount of the borrowing,
(d) the time and date, if known, on which the loan is to be entered into, (e) the total amount payable to the Fund on the borrowing date, (f) the Securities to be delivered as collateral for such loan, including the name of the issuer, the title and the number of shares or the principal amount of any particular Securities, and (g) a statement specifying whether such loan is for investment purposes or for temporary or emergency purposes and that such loan is in conformance with the '40 Act and the Fund's prospectus. Custodian shall deliver on the borrowing date specified in a Certificate the specified collateral against payment by the lending bank of the total amount of the loan payable, provided that the same conforms to the total amount payable as set forth in the Certificate. Custodian may, at the option of the lending bank, keep such collateral in its possession, but such collateral shall be subject to all rights therein given the lending bank by virtue of any promissory note or loan agreement. Custodian shall deliver such Securities as additional collateral as may be specified in a Certificate to collateralize further any transaction described in this Section. The Fund shall cause all Securities released from collateral status to be returned directly to Custodian, and Custodian shall receive from time to time such return of collateral as may be tendered to it. In the event that the Fund fails to specify in a Certificate the Series, the name of the issuer, the title and number of shares or the principal amount of any particular Securities to be delivered as collateral by Custodian, Custodian shall not be under any obligation to deliver any Securities.

ARTICLE VI
SALE AND REDEMPTION OF SHARES

1. Whenever the Fund shall sell any shares issued by the Fund ("Shares") it shall deliver to Custodian a Certificate or Instructions specifying the amount of money and/or Securities to be

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received by Custodian for the sale of such Shares and specifically allocated to an Account for such Series.

2. Upon receipt of such money, Custodian shall credit such money to an Account in the name of the Series for which such money was received.

3. Except as provided hereinafter, whenever the Fund desires Custodian to make payment out of the money held by Custodian hereunder in connection with a redemption of any Shares, it shall furnish to Custodian (a) a resolution of the Fund's board directing the Fund's transfer agent to redeem the Shares, and (b) a Certificate or Instructions specifying the total amount to be paid for such Shares. Custodian shall make payment of such total amount to the transfer agent specified in such Certificate or Instructions out of the money held in an Account of the appropriate Series.

ARTICLE VII
PAYMENT OF DIVIDENDS OR DISTRIBUTIONS

1. Whenever the Fund shall determine to pay a dividend or distribution on Shares it shall furnish to Custodian Instructions or a Certificate setting forth with respect to the Series specified therein the date of the declaration of such dividend or distribution, the total amount payable, and the payment date.

2. Upon the payment date specified in such Instructions or Certificate, Custodian shall pay out of the money held for the account of such Series the total amount payable to the dividend agent of the Fund specified therein.

ARTICLE VIII
CONCERNING CUSTODIAN

1. (a) Except as otherwise expressly provided herein, Custodian shall not be liable for any costs, expenses, damages, liabilities or claims, including attorneys' and accountants' fees (collectively, "Losses"), incurred by or asserted against the Fund, except those Losses arising out of Custodian's own negligence or willful misconduct. Custodian shall have no liability whatsoever for the action or inaction of any Depositories or of any Foreign Depositories, except in each case to the extent such action or inaction is a direct result of the Custodian's failure to fulfill its duties hereunder. With respect to any Losses incurred by the Fund as a result of the acts or any failures to act by any Subcustodian (other than a BNY Affiliate), Custodian shall take appropriate action to recover such Losses from such Subcustodian; and Custodian's sole responsibility and liability to the Fund shall be limited to amounts so received from such Subcustodian (exclusive of costs and expenses incurred by Custodian). In no event shall Custodian be liable to the Fund or any third party for special, indirect or consequential damages, or lost profits or loss of business, arising in connection with this Agreement, nor shall BNY or any Subcustodian be liable: (i) for acting in accordance with any Certificate or Oral Instructions actually received by Custodian and reasonably believed by Custodian to be given by an Authorized Person; (ii) for acting in accordance with Instructions without reviewing the same; (iii) for conclusively presuming that all Instructions are given only by person(s) duly authorized;

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(iv) for conclusively presuming that all disbursements of cash directed by the Fund, whether by a Certificate, an Oral Instruction, or an Instruction, are in accordance with Section 2(i) of Article II hereof; (v) for holding property in any particular country, including, but not limited to, Losses resulting from nationalization, expropriation or other governmental actions; regulation of the banking or securities industry; exchange or currency controls or restrictions, devaluations or fluctuations; availability of cash or Securities or market conditions which prevent the transfer of property or execution of Securities transactions or affect the value of property; (vi) for any Losses due to forces beyond the control of Custodian, including without limitation strikes, work stoppages, acts of war or terrorism, insurrection, revolution, nuclear or natural catastrophes or acts of God, or interruptions, loss or malfunctions of utilities, communications or computer (software and hardware) services; (vii) for the insolvency of any Subcustodian (other than a BNY Affiliate), any Depository, or, except to the extent such action or inaction is a direct result of the Custodian's failure to fulfill its duties hereunder, any Foreign Depository; or (viii) for any Losses arising from the applicability of any law or regulation now or hereafter in effect, or from the occurrence of any event, including, without limitation, implementation or adoption of any rules or procedures of a Foreign Depository, which may affect, limit, prevent or impose costs or burdens on, the transferability, convertibility, or availability of any currency or Composite Currency Unit in any country or on the transfer of any Securities, and in no event shall Custodian be obligated to substitute another currency for a currency (including a currency that is a component of a Composite Currency Unit) whose transferability, convertibility or availability has been affected, limited, or prevented by such law, regulation or event, and to the extent that any such law, regulation or event imposes a cost or charge upon Custodian in relation to the transferability, convertibility, or availability of any cash currency or Composite Currency Unit, such cost or charge shall be for the account of the Fund, and Custodian may treat any account denominated in an affected currency as a group of separate accounts denominated in the relevant component currencies.

(b) Custodian may enter into subcontracts, agreements and understandings with any BNY Affiliate, whenever and on such terms and conditions as it deems necessary or appropriate to perform its services hereunder. No such subcontract, agreement or understanding shall discharge Custodian from its obligations hereunder.

(c) The Fund agrees to indemnify Custodian and hold Custodian harmless from and against any and all Losses sustained or incurred by or asserted against Custodian by reason of or as a result of any action or inaction, or arising out of Custodian's performance hereunder, including reasonable fees and expenses of counsel incurred by Custodian in a successful defense of claims by the Fund; provided however, that the Fund shall not indemnify Custodian for those Losses arising out of Custodian's own negligence or willful misconduct. This indemnity shall be a continuing obligation of the Fund, its successors and assigns, notwithstanding the termination of this Agreement.

2. Without limiting the generality of the foregoing, Custodian shall be under no obligation to inquire into, and shall not be liable for:

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(a) Any Losses incurred by the Fund or any other person as a result of the receipt or acceptance of fraudulent, forged or invalid Securities, or Securities which are otherwise not freely transferable or deliverable without encumbrance in any relevant market;

(b) The validity of the issue of any Securities purchased, sold, or written by or for the Fund, the legality of the purchase, sale or writing thereof, or the propriety of the amount paid or received therefor;

(c) The legality of the sale or redemption of any Shares, or the propriety of the amount to be received or paid therefor;

(d) The legality of the declaration or payment of any dividend or distribution by the Fund;

(e) The legality of any borrowing by the Fund;

(f) The legality of any loan of portfolio Securities, nor shall Custodian be under any duty or obligation to see to it that any cash or collateral delivered to it by a broker, dealer or financial institution or held by it at any time as a result of such loan of portfolio Securities is adequate security for the Fund against any loss it might sustain as a result of such loan, which duty or obligation shall be the sole responsibility of the Fund. In addition, Custodian shall be under no duty or obligation to see that any broker, dealer or financial institution to which portfolio Securities of the Fund are lent makes payment to it of any dividends or interest which are payable to or for the account of the Fund during the period of such loan or at the termination of such loan, provided, however that Custodian shall promptly notify the Fund in the event that such dividends or interest are not paid and received when due;

(g) The sufficiency or value of any amounts of money and/or Securities held in any Special Account in connection with transactions by the Fund; whether any broker, dealer, futures commission merchant or clearing member makes payment to the Fund of any variation margin payment or similar payment which the Fund may be entitled to receive from such broker, dealer, futures commission merchant or clearing member, or whether any payment received by Custodian from any broker, dealer, futures commission merchant or clearing member is the amount the Fund is entitled to receive, or to notify the Fund of Custodian's receipt or non-receipt of any such payment; or

(h) Whether any Securities at any time delivered to, or held by it or by any Subcustodian, for the account of the Fund and specifically allocated to a Series are such as properly may be held by the Fund or such Series under the provisions of its then current prospectus and statement of additional information, or to ascertain whether any transactions by the Fund, whether or not involving Custodian, are such transactions as may properly be engaged in by the Fund.

3. Custodian may, with respect to questions of law specifically regarding an Account, obtain the advice of counsel and shall be fully protected with respect to anything done or omitted by it in good faith in conformity with such advice.

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4. Custodian shall be under no obligation to take action to collect any amount payable on Securities in default, or if payment is refused after due demand and presentment.

5. Custodian shall have no duty or responsibility to inquire into, make recommendations, supervise, or determine the suitability of any transactions affecting any Account.

6. The Fund shall pay to Custodian the fees and charges as may be specifically agreed upon from time to time and such other fees and charges at Custodian's standard rates for such services as may be applicable. The Fund shall reimburse Custodian for all costs associated with the conversion of the Fund's Securities hereunder and the transfer of Securities and records kept in connection with this Agreement. The Fund shall also reimburse Custodian for out-of-pocket expenses which are a normal incident of the services provided hereunder.

7. Custodian has the right to debit any cash account for any amount payable by the Fund in connection with any and all obligations of the Fund to Custodian. In addition to the rights of Custodian under applicable law and other agreements, at any time when the Fund shall not have honored any of its obligations to Custodian, Custodian shall have the right without notice to the Fund to retain or set-off, against such obligations of the Fund, any Securities or cash Custodian or a BNY Affiliate may directly or indirectly hold for the account of the Fund, and any obligations (whether matured or unmatured) that Custodian or a BNY Affiliate may have to the Fund in any currency or Composite Currency Unit. Any such asset of, or obligation to, the Fund may be transferred to Custodian and any BNY Affiliate in order to effect the above rights.

8. The Fund agrees to forward to Custodian a Certificate or Instructions confirming Oral Instructions by the close of business of the same day that such Oral Instructions are given to Custodian. The Fund agrees that the fact that such confirming Certificate or Instructions are not received or that a contrary Certificate or contrary Instructions are received by Custodian shall in no way affect the validity or enforceability of transactions authorized by such Oral Instructions and effected by Custodian. If the Fund elects to transmit Instructions through an on-line communications system offered by Custodian, the Fund's use thereof shall be subject to the Terms and Conditions attached as Appendix I hereto, and Custodian shall provide user and authorization codes, passwords and authentication keys only to an Authorized Person or a person reasonably believed by Custodian to be an Authorized Person.

9. The books and records pertaining to the Fund which are in possession of Custodian shall be the property of the Fund. Such books and records shall be prepared and maintained as required by the '40 Act and the rules thereunder. The Fund, or its authorized representatives, shall have access to such books and records during Custodian's normal business hours. Upon the reasonable request of the Fund, copies of any such books and records shall be provided by Custodian to the Fund or its authorized representative. Upon the reasonable request of the Fund, Custodian shall provide in hard copy or on computer disc any records included in any such delivery which are maintained by Custodian on a computer disc, or are similarly maintained.

10. It is understood that Custodian is authorized to supply any information regarding the Accounts which is required by any law, regulation or rule now or hereafter in effect. The

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Custodian shall provide the Fund with any report obtained by the Custodian on the system of internal accounting control of a Depository, and with such reports on its own system of internal accounting control as the Fund may reasonably request from time to time.

11. Custodian shall have no duties or responsibilities whatsoever except such duties and responsibilities as are specifically set forth in this Agreement, and no covenant or obligation shall be implied against Custodian in connection with this Agreement.

ARTICLE IX
TERMINATION

1. Either of the parties hereto may terminate this Agreement by giving to the other party a notice in writing specifying the date of such termination, which shall be not less than sixty (60) days after the date of giving of such notice. In the event such notice is given by the Fund, it shall be accompanied by a copy of a resolution of the board of the Fund, certified by the Secretary or any Assistant Secretary, electing to terminate this Agreement and designating a successor custodian or custodians, each of which shall be a bank or trust company having not less than $2,000,000 aggregate capital, surplus and undivided profits. In the event such notice is given by Custodian, the Fund shall, on or before the termination date, deliver to Custodian a copy of a resolution of the board of the Fund, certified by the Secretary or any Assistant Secretary, designating a successor custodian or custodians. In the absence of such designation by the Fund, Custodian may designate a successor custodian which shall be a bank or trust company having not less than $2,000,000 aggregate capital, surplus and undivided profits. Upon the date set forth in such notice this Agreement shall terminate, and Custodian shall upon receipt of a notice of acceptance by the successor custodian on that date deliver directly to the successor custodian all Securities and money then owned by the Fund and held by it as Custodian, after deducting all fees, expenses and other amounts for the payment or reimbursement of which it shall then be entitled.

2. If a successor custodian is not designated by the Fund or Custodian in accordance with the preceding Section, the Fund shall upon the date specified in the notice of termination of this Agreement and upon the delivery by Custodian of all Securities (other than Securities which cannot be delivered to the Fund) and money then owned by the Fund be deemed to be its own custodian and Custodian shall thereby be relieved of all duties and responsibilities pursuant to this Agreement, other than the duty with respect to Securities which cannot be delivered to the Fund to hold such Securities hereunder in accordance with this Agreement.

ARTICLE X
MISCELLANEOUS

1. The Fund agrees to furnish to Custodian a new Certificate of Authorized Persons in the event of any change in the then present Authorized Persons. Until such new Certificate is received, Custodian shall be fully protected in acting upon Certificates or Oral Instructions of such present Authorized Persons.

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2. This Agreement represents the entire understanding of the parties hereto with regard to the subject matter contained herein and may not be amended or modified in any manner except by a written agreement executed by both parties.

3. Any notice or other instrument in writing, authorized or required by this Agreement to be given to Custodian, shall be sufficiently given if addressed to Custodian and received by it at its offices at 1 Wall Street, New York, New York 10286, or at such other place as Custodian may from time to time designate in writing.

4. Any notice or other instrument in writing, authorized or required by this Agreement to be given to the Fund shall be sufficiently given if addressed to the Fund and received by it at its offices at 2020 Calamos Court , Naperville, Illinois, 60563-2787, Attention: James S. Hamman, Jr., Secretary, or at such other place as the Fund may from time to time designate in writing.

5. Each and every right granted to either party hereunder or under any other document delivered hereunder or in connection herewith, or allowed it by law or equity, shall be cumulative and may be exercised from time to time. No failure on the part of either party to exercise, and no delay in exercising, any right will operate as a waiver thereof, nor will any single or partial exercise by either party of any right preclude any other or future exercise thereof or the exercise of any other right.

6. In case any provision in or obligation under this Agreement shall be invalid, illegal or unenforceable in any exclusive jurisdiction, the validity, legality and enforceability of the remaining provisions shall not in any way be affected thereby. This Agreement may not be amended or modified in any manner except by a written agreement executed by both parties, except that any amendment to the Schedule I hereto need be signed only by the Fund and any amendment to Appendix I hereto need be signed only by Custodian. This Agreement shall extend to and shall be binding upon the parties hereto, and their respective successors and assigns; provided, however, that this Agreement shall not be assignable by either party without the written consent of the other.

7. This Agreement shall be construed in accordance with the substantive laws of the State of New York, without regard to conflicts of laws principles thereof. The Fund and Custodian hereby consent to the jurisdiction of a state or federal court situated in New York City, New York in connection with any dispute arising hereunder. The Fund hereby irrevocably waives, to the fullest extent permitted by applicable law, any objection which it may now or hereafter have to the laying of venue of any such proceeding brought in such a court and any claim that such proceeding brought in such a court has been brought in an inconvenient forum. The Fund and Custodian each hereby irrevocably waives any and all rights to trial by jury in any legal proceeding arising out of or relating to this Agreement.

8. This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but such counterparts shall, together, constitute only one instrument.

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IN WITNESS WHEREOF, the Fund and Custodian have caused this Agreement to be executed by their respective officers, thereunto duly authorized, as of the day and year first above written.

Each Fund, as identified on Schedule II as such may be amended from time to time

By: CALAMOS ADVISORS LLC, as investment manager of such Fund

By:
Name: James S. Hamman, Jr.


Title: Executive Vice President, General
Counsel and Secretary and as Secretary
of the Funds identified on Schedule II

THE BANK OF NEW YORK

By:

Name:


Title:

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SCHEDULE I
CERTIFICATE OF AUTHORIZED PERSONS
(THE FUND - WRITTEN INSTRUCTIONS)

The undersigned hereby certifies that he/she is the duly elected and acting Assistant Secretary of the funds and/or trusts listed below (each a "Fund" and collectively, the "Funds"), and further certifies that the following individuals have been duly authorized by the Fund to deliver the following procedures, as indicated, by written instructions to The Bank of New York, as custodian ("Custodian") in connection with the services provided to the Funds by the Custodian pursuant to the Custody Agreement, as amended from time to time, between each Fund and the Custodian, and that the signatures appearing opposite their names are true and correct:

1. SIGNATURES FOR CASH MOVEMENT: ANY ACTION RELATING TO THE TRANSFER OR PAYMENT OF MONEY OR OTHER ASSETS TO OR FROM THE FUND ACCOUNT, INCLUDING, WITHOUT LIMITATION, (A) THE WITHDRAWAL OR OTHER TRANSFER OF CASH OR CASH EQUIVALENTS TO OR FROM ANY FUND ACCOUNT, (b) ANY ESTABLISHMENT OF A PAYEE OR MODIFICATION OF PAYEE INFORMATION, AND (c) ANY MODIFICATION OF SETTLEMENT INSTRUCTIONS, SHALL REQUIRE AUTHORIZATION BY EITHER (i) ONE SIGNATURE FROM GROUP A AND ONE SIGNATURE FROM GROUP B SET FORTH BELOW, OR
(II) TWO SIGNATURES FROM GROUP A SET FORTH BELOW.

CASH MOVEMENT -- GROUP A

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

CASH MOVEMENT -- GROUP B


----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

2. DECISION MAKING AUTHORITY: ALL AUTHORIZED PERSONS LISTED ABOVE, TOGETHER WITH PERSONS LISTED BELOW, SHALL HAVE NON-MONETARY DECISION MAKING AUTHORITY PURSUANT TO THE CUSTODY AGREEMENT BETWEEN EACH FUND AND THE CUSTODIAN, INCLUDING, WITHOUT LIMITATION, AUTHORITY TO RESOLVE FAILED TRANSACTIONS AND CORPORATE ACTION DECISIONS.

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

----------------          ----------------           ----------------
Name                      Title                      Signature

LIST OF FUNDS:
Calamos Convertible Opportunities and Income Fund Calamos Convertible and High Income Fund Calamos Strategic Total Return Fund
Calamos Global Total Return Fund
Calamos Global Dynamic Income Fund

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IN WITNESS WHEREOF, this Certificate of Authorized Persons is executed by the Assistant Secretary of the Funds and hereby supersedes any previous Certificate of Authorized Persons or similar authorization provided to the Custodian by the Funds you may currently have on file.

[seal]                              By:
                                       ---------------------------
                                       Name:
                                       Title:

Date:

-8-

SCHEDULE II

LIST OF INVESTMENT COMPANIES

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND

CALAMOS CONVERTIBLE AND HIGH INCOME FUND

CALAMOS STRATEGIC TOTAL RETURN FUND

CALAMOS GLOBAL TOTAL RETURN FUND

CALAMOS GLOBAL DYNAMIC INCOME FUND


APPENDIX I

THE BANK OF NEW YORK

ON-LINE COMMUNICATIONS SYSTEM (THE "SYSTEM")

TERMS AND CONDITIONS

1. License; Use. Upon delivery to an Authorized Person or a person reasonably believed by Custodian to be an Authorized Person the Fund of software enabling the Fund to obtain access to the System (the "Software"), Custodian grants to the Fund a personal, nontransferable and nonexclusive license to use the Software solely for the purpose of transmitting Written Instructions, receiving reports, making inquiries or otherwise communicating with Custodian in connection with the Account(s). The Fund shall use the Software solely for its own internal and proper business purposes and not in the operation of a service bureau. Except as set forth herein, no license or right of any kind is granted to the Fund with respect to the Software. The Fund acknowledges that Custodian and its suppliers retain and have title and exclusive proprietary rights to the Software, including any trade secrets or other ideas, concepts, know-how, methodologies, or information incorporated therein and the exclusive rights to any copyrights, trademarks and patents (including registrations and applications for registration of either), or other statutory or legal protections available in respect thereof. The Fund further acknowledges that all or a part of the Software may be copyrighted or trademarked (or a registration or claim made therefor) by Custodian or its suppliers. The Fund shall not take any action with respect to the Software inconsistent with the foregoing acknowledgments, nor shall you attempt to decompile, reverse engineer or modify the Software. The Fund may not copy, sell, lease or provide, directly or indirectly, any of the Software or any portion thereof to any other person or entity without Custodian's prior written consent. The Fund may not remove any statutory copyright notice or other notice included in the Software or on any media containing the Software. The Fund shall reproduce any such notice on any reproduction of the Software and shall add any statutory copyright notice or other notice to the Software or media upon Custodian's request.

2. Equipment. The Fund shall obtain and maintain at its own cost and expense all equipment and services, including but not limited to communications services, necessary for it to utilize the Software and obtain access to the System, and Custodian shall not be responsible for the reliability or availability of any such equipment or services.

3. Proprietary Information. The Software, any data base and any proprietary data, processes, information and documentation made available to the Fund (other than which are or become part of the public domain or are legally required to be made available to the public) (collectively, the "Information"), are the exclusive and confidential property of Custodian or its suppliers. The Fund shall keep the Information


confidential by using the same care and discretion that the Fund uses with respect to its own confidential property and trade secrets, but not less than reasonable care. Upon termination of the Agreement or the Software license granted herein for any reason, the Fund shall return to Custodian any and all copies of the Information which are in its possession or under its control.

4. Modifications. Custodian reserves the right to modify the Software from time to time and the Fund shall install new releases of the Software as Custodian may direct. The Fund agrees not to modify or attempt to modify the Software without Custodian's prior written consent. The Fund acknowledges that any modifications to the Software, whether by the Fund or Custodian and whether with or without Custodian's consent, shall become the property of Custodian.

5. NO REPRESENTATIONS OR WARRANTIES. CUSTODIAN AND ITS MANUFACTURERS AND SUPPLIERS MAKE NO WARRANTIES OR REPRESENTATIONS WITH RESPECT TO THE SOFTWARE, SERVICES OR ANY DATABASE, EXPRESS OR IMPLIED, IN FACT OR IN LAW, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE FUND ACKNOWLEDGES THAT THE SOFTWARE, SERVICES AND ANY DATABASE ARE PROVIDED "AS IS." IN NO EVENT SHALL CUSTODIAN OR ANY SUPPLIER BE LIABLE FOR ANY DAMAGES, WHETHER DIRECT, INDIRECT SPECIAL, OR CONSEQUENTIAL, WHICH THE FUND MAY INCUR IN CONNECTION WITH THE SOFTWARE, SERVICES OR ANY DATABASE, EVEN IF CUSTODIAN OR SUCH SUPPLIER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL CUSTODIAN OR ANY SUPPLIER BE LIABLE FOR ACTS OF GOD, MACHINE OR COMPUTER BREAKDOWN OR MALFUNCTION, INTERRUPTION OR MALFUNCTION OF COMMUNICATION FACILITIES, LABOR DIFFICULTIES OR ANY OTHER SIMILAR OR DISSIMILAR CAUSE BEYOND THEIR REASONABLE CONTROL.

6. Security; Reliance; Unauthorized Use. The Fund will cause all persons utilizing the Software and System to treat all applicable user and authorization codes, passwords and authentication keys with extreme care, and it will establish internal control and safekeeping procedures to restrict the availability of the same to persons duly authorized to give Instructions. Custodian is hereby irrevocably authorized to act in accordance with and rely on Instructions received by it through the System. The Fund acknowledges that it is its sole responsibility to assure that only persons duly authorized use the System and that Custodian shall not be responsible nor liable for any unauthorized use thereof.


7. System Acknowledgments. Custodian shall acknowledge through the System its receipt of each transmission communicated through the System, and in the absence of such acknowledgment Custodian shall not be liable for any failure to act in accordance with such transmission and the Fund may not claim that such transmission was received by Custodian.

8. EXPORT RESTRICTIONS. EXPORT OF THE SOFTWARE IS PROHIBITED BY UNITED STATES LAW. THE FUND MAY NOT UNDER ANY CIRCUMSTANCES RESELL, DIVERT, TRANSFER, TRANSSHIP OR OTHERWISE DISPOSE OF THE SOFTWARE (IN ANY FORM) IN OR TO ANY OTHER COUNTRY. IF CUSTODIAN DELIVERED THE SOFTWARE TO THE FUND OUTSIDE OF THE UNITED STATES, THE SOFTWARE WAS EXPORTED FROM THE UNITED STATES IN ACCORDANCE WITH THE EXPORTER ADMINISTRATION REGULATIONS. DIVERSION CONTRARY TO U.S. LAW IS PROHIBITED. The Fund hereby authorizes Custodian to report its name and address to government agencies to which Custodian is required to provide such information by law.

9. ENCRYPTION. The Fund acknowledges and agrees that encryption may not be available for every communication through the System, or for all data. The Fund agrees that Custodian may deactivate any encryption features at any time, without notice or liability to the Fund, for the purpose of maintaining, repairing or troubleshooting the System or the Software.


Exhibit j2

FOREIGN CUSTODY MANAGER AGREEMENT

AGREEMENT made as of June 15, 2007 between the Calamos closed-end funds listed on Schedule II hereto, as such Schedule may be amended from time to time to add additional funds managed by Calamos Advisors LLC (each such existing fund, and any additional fund, the "Fund"), each a business trust organized and existing under the laws of the State of Delaware having its principal office and place of business at c/o Calamos Advisors LLC, 2020 Calamos Court, Naperville, Illinois, 60563-2787, and The Bank of New York, a New York corporation authorized to do a banking business having its principal office and place of business at One Wall Street, New York, New York 10286 ("BNY").

W I T N E S S E T H:

WHEREAS, the Fund desires to appoint BNY as a Foreign Custody Manager on the terms and conditions contained herein;

WHEREAS, BNY desires to serve as a Foreign Custody Manager and perform the duties set forth herein on the terms and conditions contained herein;

NOW THEREFORE, in consideration of the mutual promises hereinafter contained in this Agreement, the Fund and BNY hereby agree as follows:

ARTICLE I.
DEFINITIONS

Whenever used in this Agreement, the following words and phrases, unless the context otherwise requires, shall have the following meanings:

1. "BOARD" shall mean the board of directors or board of trustees, as the case may be, of the Fund.

2. "ELIGIBLE FOREIGN CUSTODIAN" shall have the meaning provided in the Rule.

3. "MONITORING SYSTEM" shall mean a system established by BNY to fulfill the Responsibilities specified in clauses (d) and (e) of Section 1 of Article III of this Agreement.

4. "RESPONSIBILITIES" shall mean the responsibilities delegated to BNY under the Rule as a Foreign Custody Manager with respect to each Specified Country and each Eligible Foreign Custodian selected by BNY, as such responsibilities are more fully described in Article III of this Agreement.

5. "RULE" shall mean Rule 17f-5 under the Investment Company Act of 1940, as amended on June 12, 2000.


6. "SPECIFIED COUNTRY" shall mean each country listed on Schedule I attached hereto and each country, other than the United States, constituting the primary market for a security with respect to which the Fund has given settlement instructions to The Bank of New York as custodian (the "Custodian") under its Custody Agreement with the Fund.

ARTICLE II.
BNY AS A FOREIGN CUSTODY MANAGER

1. The Fund on behalf of its Board hereby delegates to BNY with respect to each Specified Country the Responsibilities.

2. BNY accepts the Board's delegation of Responsibilities with respect to each Specified Country and agrees in performing the Responsibilities as a Foreign Custody Manager to exercise reasonable care, prudence and diligence such as a person having responsibility for the safekeeping of the Fund's assets would exercise.

3. BNY shall provide to the Board at such times as the Board deems reasonable and appropriate based on the circumstances of the Fund's foreign custody arrangements written reports notifying the Board of the placement of assets of the Fund with a particular Eligible Foreign Custodian within a Specified Country and of any material change in the arrangements (including the contract governing such arrangements) with respect to assets of the Fund with any such Eligible Foreign Custodian.

ARTICLE III.
RESPONSIBILITIES

1. Subject to the provisions of this Agreement, BNY shall with respect to each Specified Country select an Eligible Foreign Custodian. In connection therewith, BNY shall: (a) determine that assets of the Fund held by such Eligible Foreign Custodian will be subject to reasonable care, based on the standards applicable to custodians in the relevant market in which such Eligible Foreign Custodian operates, after considering all factors relevant to the safekeeping of such assets, including, without limitation, those contained in paragraph (c)(1) of the Rule; (b) determine that the Fund's foreign custody arrangements with each Eligible Foreign Custodian are governed by a written contract with the Custodian which will provide reasonable care for the Fund's assets based on the standards specified in paragraph (c)(1) of the Rule; (c) determine that each contract with an Eligible Foreign Custodian shall include the provisions specified in paragraph (c)(2)(i)(A) through (F) of the Rule or, alternatively, in lieu of any or all of such (c)(2)(i)(A) through (F) provisions, such other provisions as BNY determines will provide, in their entirety, the same or a greater level of care and protection for the assets of the Fund as such specified provisions; (d) monitor pursuant to the Monitoring System the appropriateness of maintaining the assets of the Fund with a particular Eligible Foreign Custodian pursuant to paragraph (c)(1) of the Rule and the performance of the contract governing such arrangement; and (e) advise the Fund whenever BNY determines under the Monitoring System that an arrangement
(including, any material change in the contract governing such arrangement) described in preceding clause (d) no longer meets the requirements of the Rule.


2. For purposes of preceding Section 1 of this Article, BNY's determination of appropriateness shall not include, nor be deemed to include, any evaluation of Country Risks associated with investment in a particular country. For purposes hereof, "Country Risks" shall mean systemic risks of holding assets in a particular country including but not limited to (a) an Eligible Foreign Custodian's use of any depositories that act as or operate a system or a transnational system for the central handling of securities or any equivalent book-entries; (b) such country's financial infrastructure; (c) such country's prevailing custody and settlement practices; (d) nationalization, expropriation or other governmental actions; (e) regulation of the banking or securities industry; (f) currency controls, restrictions, devaluations or fluctuations; and (g) market conditions which affect the orderly execution of securities transactions or affect the value of securities.

ARTICLE IV.
REPRESENTATIONS

1. The Fund hereby represents that: (a) this Agreement has been duly authorized, executed and delivered by the Fund, constitutes a valid and legally binding obligation of the Fund enforceable in accordance with its terms, and no statute, regulation, rule, order, judgment or contract binding on the Fund prohibits the Fund's execution or performance of this Agreement; (b) this Agreement has been approved and ratified by the Board at a meeting duly called and at which a quorum was at all times present, and (c) the Board or the Fund's investment advisor has considered the Country Risks associated with investment in each Specified Country and will have considered such risks prior to any settlement instructions being given to the Custodian with respect to any other country.

2. BNY hereby represents that: (a) BNY is duly organized and existing under the laws of the State of New York, with full power to carry on its businesses as now conducted, and to enter into this Agreement and to perform its obligations hereunder; (b) this Agreement has been duly authorized, executed and delivered by BNY, constitutes a valid and legally binding obligation of BNY enforceable in accordance with its terms, and no statute, regulation, rule, order, judgment or contract binding on BNY prohibits BNY's execution or performance of this Agreement; and (c) BNY has established the Monitoring System.

ARTICLE V.
CONCERNING BNY

1. BNY shall not be liable for any costs, expenses, damages, liabilities or claims, including attorneys' and accountants' fees, sustained or incurred by, or asserted against, the Fund except to the extent the same arises out of the failure of BNY to exercise the care, prudence and diligence required by Section 2 of Article II hereof. In no event shall BNY be liable to the Fund, the Board, or any third party for special, indirect or consequential damages, or for lost profits or loss of business, arising in connection with this Agreement.

2. The Fund shall indemnify BNY and hold it harmless from and against any and all costs, expenses, damages, liabilities or claims, including attorneys' and accountants' fees,


sustained or incurred by, or asserted against, BNY by reason or as a result of any action or inaction, or arising out of BNY's performance hereunder, provided that the Fund shall not indemnify BNY to the extent any such costs, expenses, damages, liabilities or claims arises out of BNY's failure to exercise the reasonable care, prudence and diligence required by Section 2 of Article II hereof.

3. For its services hereunder, the Fund agrees to pay to BNY such compensation and out-of-pocket expenses as shall be mutually agreed.

4. BNY shall have only such duties as are expressly set forth herein. In no event shall BNY be liable for any Country Risks associated with investments in a particular country.

ARTICLE VI.
MISCELLANEOUS

1. This Agreement constitutes the entire agreement between the Fund and BNY as a foreign custody manager, and no provision in the Custody Agreement between the Fund and the Custodian shall affect the duties and obligations of BNY hereunder, nor shall any provision in this Agreement affect the duties or obligations of the Custodian under the Custody Agreement.

2. Any notice or other instrument in writing, authorized or required by this Agreement to be given to BNY, shall be sufficiently given if received by it at its offices at 1 Wall Street, 25th Floor, New York, New York 10286, or at such other place as BNY may from time to time designate in writing.

3. Any notice or other instrument in writing, authorized or required by this Agreement to be given to the Fund shall be sufficiently given if received by it at its offices at c/o Calamos Asset Management, Inc., 2020 Calamos Court, Naperville, Illinois, 60563-2787, Attention: James S. Hamman, Jr., Secretary, or at such other place as the Fund may from time to time designate in writing.

4. In case any provision in or obligation under this Agreement shall be invalid, illegal or unenforceable in any jurisdiction, the validity, legality and enforceability of the remaining provisions shall not in any way be affected thereby. This Agreement may not be amended or modified in any manner except by a written agreement executed by both parties. This Agreement shall extend to and shall be binding upon the parties hereto, and their respective successors and assigns; provided however, that this Agreement shall not be assignable by either party without the written consent of the other.

5. This Agreement shall be construed in accordance with the substantive laws of the State of New York, without regard to conflicts of laws principles thereof. The Fund and BNY hereby consent to the jurisdiction of a state or federal court situated in New York City, New York in connection with any dispute arising hereunder. The Fund hereby irrevocably waives, to the fullest extent permitted by applicable law, any objection which it may now or hereafter have to the laying of venue of any such proceeding brought in such a court and any claim that such proceeding brought in such a court has been brought in an inconvenient forum. The Fund and


BNY each hereby irrevocably waives any and all rights to trial by jury in any legal proceeding arising out of or relating to this Agreement.

6. The parties hereto agree that in performing hereunder, BNY is acting solely on behalf of the Fund and no contractual or service relationship shall be deemed to be established hereby between BNY and any other person by reason of this Agreement.

7. This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but such counterparts shall, together, constitute only one instrument.

8. This Agreement shall terminate simultaneously with the termination of the Custody Agreement between the Fund and the Custodian, and may otherwise be terminated by either party giving to the other party a notice in writing specifying the date of such termination, which shall be not less than thirty
(30) days after the date of such notice.


IN WITNESS WHEREOF, the Fund and BNY have caused this Agreement to be executed by their respective officers, thereunto duly authorized, as of the date first above written.

EACH FUND, as identified on Schedule II as such may be amended from time to time

By: CALAMOS ADVISORS LLC, as investment manager of such Fund

By:
Name: James S. Hamman, Jr.


Title: Executive Vice President, General
Counsel and Secretary and as
Secretary of the Funds
identified on Schedule II

THE BANK OF NEW YORK

By:

Title:

SCHEDULE II

LIST OF INVESTMENT COMPANIES

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND
CALAMOS CONVERTIBLE AND HIGH INCOME FUND
CALAMOS STRATEGIC TOTAL RETURN FUND
CALAMOS GLOBAL TOTAL RETURN FUND
CALAMOS GLOBAL DYNAMIC INCOME FUND


Exhibit k.1

STOCK TRANSFER AGENCY AGREEMENT

AMENDED AND RESTATED AGREEMENT, made as of June 15, 2007, by and between EACH ENTITY SET FORTH IN SCHEDULE II HERETO, as such Schedule may be amended from time to time to add additional funds managed by Calamos Advisors LLC (each such existing fund, and any additional fund, hereinafter referred to as the "Customer"), each a business trust organized and existing under the laws of the State of Delaware, and THE BANK OF NEW YORK, a New York trust company (hereinafter referred to as the "Bank").

W I T N E S S E T H:

That for and in consideration of the mutual promises hereinafter set forth, the parties hereto covenant and agree as follows:

ARTICLE I
DEFINITIONS

Whenever used in this Agreement, the following words and phrases shall have the following meanings:

1. "Business Day" shall be deemed to be each day on which the Bank is open for business.

2. "Certificate" shall mean any notice, instruction, or other instrument in writing, authorized or required by this Agreement to be given to the Bank by the Customer which is signed by any Officer, as hereinafter defined, and actually received by the Bank.

3. "Officer" shall be deemed to be the Customer's Chief Executive Officer, President, any Vice President, the Secretary, the Treasurer, the Controller, any Assistant Treasurer, and any Assistant Secretary duly authorized by the Board of Directors of the Customer to execute any Certificate, instruction, notice or other instrument on behalf of the Customer and named in a Certificate, as such Certificate may be amended from time to time.

4. "Shares" shall mean all or any part of each class of the shares of capital stock of the Customer which from time to time are authorized and/or issued by the Customer and identified in a Certificate of the Secretary of the Customer under corporate seal, as such Certificate may be amended from time to time, with respect to which the Bank is to act hereunder.


-2-

ARTICLE II
APPOINTMENT OF BANK

1. The Customer hereby constitutes and appoints the Bank as its agent to perform the services described herein and as more particularly described in Schedule I attached hereto (the "Services"), and the Bank hereby accepts appointment as such agent and agrees to perform the Services in accordance with the terms hereinafter set forth.

2. In connection with such appointment, the Customer shall deliver the following documents to the Bank:

(a) A certified copy of the Certificate of Incorporation or other document evidencing the Customer's form of organization (the "Charter") and all amendments thereto;

(b) A certified copy of the By-Laws of the Customer;

(c) A certified copy of a resolution of the Board of Directors of the Customer appointing the Bank to perform the Services and authorizing the execution and delivery of this Agreement;

(d) A Certificate signed by the Secretary of the Customer specifying:
the number of authorized Shares, the number of such authorized Shares issued and currently outstanding, and the names and specimen signatures of all persons duly authorized by the Board of Directors of the Customer to execute any Certificate on behalf of the Customer, as such Certificate may be amended from time to time;

(e) A Specimen Share certificate for each class of Shares in the form approved by the Board of Directors of the Customer, together with a Certificate signed by the Secretary of the Customer as to such approval and covenanting to supply a new such Certificate and specimen whenever such form shall change;

(f) An opinion of counsel for the Customer, in a form satisfactory to the Bank, with respect to the validity of the authorized and outstanding Shares, the obtaining of all necessary governmental consents, whether such Shares are fully paid and non-assessable and the status of such Shares under the Securities Act of 1933, as amended, and any other applicable law or regulation (i.e., if subject to registration, that they have been registered and that the Registration Statement has become effective or, if exempt, the specific grounds therefor);

(g) A list of the name, address, social security or taxpayer identification number of each Shareholder, number of Shares owned, certificate numbers, and whether any "stops" have been placed; and

(h) An opinion of counsel for the Customer, in a form satisfactory to the Bank, with respect to the due authorization by the Customer and the validity and effectiveness of the use of facsimile signatures by the Bank in connection with the countersigning and registering of Share certificates of the Customer.


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3. The Customer shall furnish the Bank with a sufficient supply of blank Share certificates and from time to time will renew such supply upon request of the Bank. Such blank Share certificates shall be properly signed, by facsimile or otherwise, by Officers of the Customer authorized by law or by the By-Laws to sign Share certificates, and, if required, shall bear the corporate seal or a facsimile thereof.

4. Customer acknowledges that the Bank is subject to the customer identification program ("Customer Identification Program") requirements under the USA PATRIOT Act and its implementing regulations, and that the Bank must obtain, verify and record information that allows the Bank to identify Customer. Accordingly, prior to opening an account hereunder the Bank may request information (including but not limited to the Customer's name, physical address, tax identification number and other information) that will help the Bank to identify the organization such as organizational documents, certificate of good standing, license to do business, or any other information that will allow the Bank to identify Customer. Customer agrees that the Bank cannot open an account hereunder unless and until the Bank verifies Customer's identity in accordance with its Customer Identification Program.

ARTICLE III
AUTHORIZATION AND ISSUANCE OF SHARES

1. The Customer shall deliver to the Bank the following documents on or before the effective date of any increase, decrease or other change in the total number of Shares authorized to be issued:

(a) A certified copy of the amendment to the Charter giving effect to such increase, decrease or change;

(b) An opinion of counsel for the Customer, in a form satisfactory to the Bank, with respect to the validity of the Shares, the obtaining of all necessary governmental consents, whether such Shares are fully paid and non-assessable and the status of such Shares under the Securities Act of 1933, as amended, and any other applicable federal law or regulations (i.e., if subject to registration, that they have been registered and that the Registration Statement has become effective or, if exempt, the specific grounds therefor); and

(c) In the case of an increase, if the appointment of the Bank was theretofore expressly limited, a certified copy of a resolution of the Board of Directors of the Customer increasing the authority of the Bank.

2. Prior to the issuance of any additional Shares pursuant to stock dividends, stock splits or otherwise, and prior to any reduction in the number of Shares outstanding, the Customer shall deliver the following documents to the Bank:


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(a) A certified copy of the resolutions adopted by the Board of Directors and/or the shareholders of the Customer authorizing such issuance of additional Shares of the Customer or such reduction, as the case may be;

(b) A certified copy of the order or consent of each governmental or regulatory authority required by law as a prerequisite to the issuance or reduction of such Shares, as the case may be, and an opinion of counsel for the Customer that no other order or consent is required; and

(c) An opinion of counsel for the Customer, in a form satisfactory to the Bank, with respect to the validity of the Shares, the obtaining of all necessary governmental consents, whether such Shares are fully paid and non-assessable and the status of such Shares under the Securities Act of 1933, as amended, and any other applicable law or regulation (i.e., if subject to registration, that they have been registered and that the Registration Statement has become effective, or, if exempt, the specific grounds therefor).

ARTICLE IV
RECAPITALIZATION OR CAPITAL ADJUSTMENT

1. In the case of any negative stock split, recapitalization or other capital adjustment requiring a change in the form of Share certificates, the Bank will issue Share certificates in the new form in exchange for, or upon transfer of, outstanding Share certificates in the old form, upon receiving:

(a) A Certificate authorizing the issuance of Share certificates in the new form;

(b) A certified copy of any amendment to the Charter with respect to the change;

(c) Specimen Share certificates for each class of Shares in the new form approved by the Board of Directors of the Customer, with a Certificate signed by the Secretary of the Customer as to such approval;

(d) A certified copy of the order or consent of each governmental or regulatory authority required by law as a prerequisite to the issuance of the Shares in the new form, and an opinion of counsel for the Customer that the order or consent of no other governmental or regulatory authority is required; and

(e) An opinion of counsel for the Customer, in a form satisfactory to the Bank, with respect to the validity of the Shares in the new form, the obtaining of all necessary governmental consents, whether such Shares are fully paid and non-assessable and the status of such Shares under the Securities Act of 1933, as amended, and any other applicable law or regulation (i.e., if subject to


-5-

registration, that the Shares have been registered and that the Registration Statement has become effective or, if exempt, the specific grounds therefor).

2. The Customer shall furnish the Bank with a sufficient supply of blank Share certificates in the new form, and from time to time will replenish such supply upon the request of the Bank. Such blank Share certificates shall be properly signed, by facsimile or otherwise, by Officers of the Customer authorized by law or by the By-Laws to sign Share certificates and, if required, shall bear the corporate seal or a facsimile thereof.

ARTICLE V
ISSUANCE AND TRANSFER OF SHARES

1. The Bank will issue and transfer Shares in certificated form as follows:

(a) The Bank will issue Share certificates upon receipt of a Certificate from an Officer, but shall not be required to issue Share certificates after it has received from an appropriate federal or state authority written notification that the sale of Shares has been suspended or discontinued, and the Bank shall be entitled to rely upon such written notification. The Bank shall not be responsible for the payment of any original issue or other taxes required to be paid by the Customer in connection with the issuance of any Shares.

(b) Shares will be transferred upon presentation to the Bank of Share certificates in form deemed by the Bank properly endorsed for transfer, accompanied by such documents as the Bank deems necessary to evidence the authority of the person making such transfer, and bearing satisfactory evidence of the payment of applicable stock transfer taxes. In the case of small estates where no administration is contemplated, the Bank may, when furnished with an appropriate surety bond, and without further approval of the Customer, transfer Shares registered in the name of the decedent where the current market value of the Shares being transferred does not exceed such amount as may from time to time be prescribed by the various states. The Bank reserves the right to refuse to transfer Shares until it is satisfied that the endorsements on Share certificates are valid and genuine, and for that purpose it may require, unless otherwise instructed by an Officer of the Customer, a guaranty of signature by an "eligible guarantor institution" meeting the requirements of the Bank, which requirements include membership or participation in STAMP or such other "signature guarantee program" as may be determined by the Bank in addition to, or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended. The Bank also reserves the right to refuse to transfer Shares until it is satisfied that the requested transfer is legally authorized, and it shall incur no liability for the refusal in good faith to make transfers which the Bank, in its judgment, deems improper or unauthorized, or until it is satisfied that there is no basis to any claims adverse to such transfer. The Bank may, in effecting transfers of Shares, rely upon those provisions of the Uniform Act for the Simplification of Fiduciary Security Transfers or the Uniform Commercial Code, as the same may be amended from time to time, applicable to the transfer of securities, and the Customer shall indemnify the Bank for any act done or omitted by it in good faith in reliance upon such laws.


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(c) All certificates representing Shares that are subject to restrictions on transfer (e.g., securities acquired pursuant to an investment representation, securities held by controlling persons, securities subject to stockholders' agreement, etc.), shall be stamped with a legend describing the extent and conditions of the restrictions or referring to the source of such restrictions. The Bank assumes no responsibility with respect to the transfer of restricted securities where counsel for the Customer advises that such transfer may be properly effected.

2. The Bank will issue and transfer Shares in book-entry form as follows:

(a) Shares may be maintained by the Bank in book-entry form known as the "Direct Registration System" ("DRS") through the Profile Modification System ("Profile"). DRS is the system administered by DTC pursuant to which the Bank may register the ownership of uncertificated Shares, which ownership shall be evidenced by periodic statements issued by the Bank to the Registered Owners entitled thereto. Upon issuance of Shares, the Shares of each Registered Owner will be credited to the account of each such Registered Owner. The Registered Owner of Shares is referred to herein as, or, if there are more than one Registered Owner of the same Shares, such Registered Owners are collectively referred to herein as, the "Registered Owner".

(b) Customer understands that Profile is a required feature of DRS. Profile allows a DTC participant claiming to act on behalf of the Registered Owner of Shares, to direct the Bank to register a transfer of such Shares to such DTC participant or its nominee without receipt by the Bank of such prior written authorization from the Registered Owner to register such transfer.

(c) Customer understands the Bank will not verify, determine or otherwise ascertain that the DTC participant which is claiming to be acting on behalf of a Registered Owner in requesting registration of transfer and delivery described in subsection (b) has the actual authority to act on behalf of the Registered Owner (notwithstanding any requirements under the Uniform Commercial Code). For the avoidance of doubt, the provisions of Article VIII, Sections 5 and 6 shall apply to the matters arising from the use of DRS/Profile System. The parties agree that the Bank's reliance on and compliance with instructions received by the Bank through the DRS/Profile System in accordance with this Agreement, shall not constitute negligence or willful misconduct on the part of the Bank.

ARTICLE VI
DIVIDENDS AND DISTRIBUTIONS

1. The Customer shall furnish to the Bank a copy of a resolution of its Board of Directors, certified by the Secretary or any Assistant Secretary, either (i) setting forth the date of the declaration of a dividend or distribution, the date of accrual or payment, as the case may be, the record date as of which shareholders entitled to payment, or accrual, as the case may be, shall be determined, the amount per Share of such dividend or distribution, the payment date on which all previously accrued and unpaid dividends are to be paid, and the total amount, if any, payable to the Bank on such payment date, or
(ii) authorizing the declaration of dividends and


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distributions on a periodic basis and authorizing the Bank to rely on a Certificate setting forth the information described in subsection (i) of this paragraph.

2. Prior to the payment date specified in such Certificate or resolution, as the case may be, the Customer shall, in the case of a cash dividend or distribution, pay to the Bank an amount of cash, sufficient for the Bank to make the payment, specified in such Certificate or resolution, to the shareholders of record as of such payment date. The Bank will, upon receipt of any such cash,
(i) in the case of shareholders who are participants in a dividend reinvestment and/or cash purchase plan of the Customer, reinvest such cash dividends or distributions in accordance with the terms of such plan, and (ii) in the case of shareholders who are not participants in any such plan, make payment of such cash dividends or distributions to the shareholders of record as of the record date by mailing a check, payable to the registered shareholder, to the address of record or dividend mailing address. The Bank shall not be liable for any improper payment made in accordance with a Certificate or resolution described in the preceding paragraph. If the Bank shall not receive sufficient cash prior to the payment date to make payments of any cash dividend or distribution pursuant to subsections (i) and (ii) above to all shareholders of the Customer as of the record date, the Bank shall, upon notifying the Customer, withhold payment to all shareholders of the Customer as of the record date until sufficient cash is provided to the Bank.

3. It is understood that the Bank shall in no way be responsible for the determination of the rate or form of dividends or distributions due to the shareholders.

4. It is understood that the Bank shall file such appropriate information returns concerning the payment of dividends and distributions with the proper federal, state and local authorities as are required by law to be filed by the Customer but shall in no way be responsible for the collection or withholding of taxes due on such dividends or distributions due to shareholders, except and only to the extent required of it by applicable law.

ARTICLE VII
CONCERNING THE CUSTOMER

1. The Customer shall promptly deliver to the Bank written notice of any change in the Officers authorized to sign Share certificates, Certificates, notifications or requests, together with a specimen signature of each new Officer. In the event any Officer who shall have signed manually or whose facsimile signature shall have been affixed to blank Share certificates shall die, resign or be removed prior to issuance of such Share certificates, the Bank may issue such Share certificates as the Share certificates of the Customer notwithstanding such death, resignation or removal, and the Customer shall promptly deliver to the Bank such approvals, adoptions or ratifications as may be required by law.

2. Each copy of the Charter of the Customer and copies of all amendments thereto shall be certified by the Secretary of State (or other appropriate official) of the state of incorporation, and if such Charter and/or amendments are required by law also to be filed with a county or other officer or official body, a certificate of such filing shall be filed with a certified


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copy submitted to the Bank. Each copy of the By-Laws and copies of all amendments thereto, and copies of resolutions of the Board of Directors of the Customer, shall be certified by the Secretary or an Assistant Secretary of the Customer under the corporate seal.

3. Customer hereby represents and warrants:

(a) It is a business trust duly organized and validly existing under the laws of Delaware.

(b) This Agreement has been duly authorized, executed and delivered on its behalf and constitutes the legal, valid and binding obligation of Customer. The execution, delivery and performance of this Agreement by Customer do not and will not violate any applicable law or regulation and do not require the consent of any governmental or other regulatory body except for such consents and approvals as have been obtained and are in full force and effect.

ARTICLE VIII
CONCERNING THE BANK

1. The Bank shall not be liable and shall be fully protected in acting upon any oral instruction, writing or document reasonably believed by it to be genuine and to have been given, signed or made by the proper person or persons and shall not be held to have any notice of any change of authority of any person until receipt of written notice thereof from an Officer of the Customer. It shall also be protected in processing Share certificates which it reasonably believes to bear the proper manual or facsimile signatures of the duly authorized Officer or Officers of the Customer and the proper countersignature of the Bank.

2. The Bank may establish such additional procedures, rules and regulations governing the transfer or registration of Share certificates as it may deem advisable and consistent with such rules and regulations generally adopted by bank transfer agents.

3. The Bank may keep such records as it deems advisable but not inconsistent with resolutions adopted by the Board of Directors of the Customer. The Bank may deliver to the Customer from time to time at its discretion, for safekeeping or disposition by the Customer in accordance with law, such records, papers, Share certificates which have been cancelled in transfer or exchange and other documents accumulated in the execution of its duties hereunder as the Bank may deem expedient, other than those which the Bank is itself required to maintain pursuant to applicable laws and regulations, and the Customer shall assume all responsibility for any failure thereafter to produce any record, paper, cancelled Share certificate or other document so returned, if and when required. The records maintained by the Bank pursuant to this paragraph which have not been previously delivered to the Customer pursuant to the foregoing provisions of this paragraph shall be considered to be the property of the Customer, shall be made available upon request for inspection by the Officers, employees and auditors of the Customer, and shall be delivered to the Customer upon request and in any event upon the date of termination of this Agreement, as specified in Article IX of this Agreement, in the form and


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manner kept by the Bank on such date of termination or such earlier date as may be requested by the Customer.

4. The Bank may employ agents or attorneys-in-fact at the expense of the Customer, and shall not be liable for any loss or expense arising out of, or in connection with, the actions or omissions to act of its agents or attorneys-in-fact, so long as the Bank acts in good faith and without negligence or willful misconduct in connection with the selection of such agents or attorneys-in-fact.

5. The Bank shall only be liable for any loss or damage arising out of its own negligence or willful misconduct; provided, however, that the Bank shall not be liable for any indirect, special, punitive or consequential damages.

6. The Customer shall indemnify and hold harmless the Bank from and against any and all claims (whether with or without basis in fact or law), costs, demands, expenses and liabilities, including reasonable attorney's fees, which the Bank may sustain or incur or which may be asserted against the Bank except for any liability which the Bank has assumed pursuant to the immediately preceding section. The Bank shall be deemed not to have acted with negligence and not to have engaged in willful misconduct by reason of or as a result of any action taken or omitted to be taken by the Bank without its own negligence or willful misconduct in reliance upon (i) any provision of this Agreement, (ii) any instrument, order or Share certificate reasonably believed by it to be genuine and to be signed, countersigned or executed by any duly authorized Officer of the Customer, (iii) any Certificate or other instructions of an Officer, (iv) any opinion of legal counsel for the Customer or the Bank, or (v) any law, act, regulation or any interpretation of the same even though such law, act, or regulation may thereafter have been altered, changed, amended or repealed. Nothing contained herein shall limit or in any way impair the right of the Bank to indemnification under any other provision of this Agreement.

7. Specifically, but not by way of limitation, the Customer shall indemnify and hold harmless the Bank from and against any and all claims (whether with or without basis in fact or law), costs, demands, expenses and liabilities, including reasonable attorney's fees, of any and every nature which the Bank may sustain or incur or which may be asserted against the Bank in connection with the genuineness of a Share certificate, the Bank's due authorization by the Customer to issue Shares and the form and amount of authorized Shares.

8. The Bank shall not incur any liability hereunder if by reason of any act of God or war or other circumstances beyond its control, it, or its employees, officers or directors shall be prevented, delayed or forbidden from, or be subject to any civil or criminal penalty on account of, doing or performing any act or thing which by the terms of this Agreement it is provided shall be done or performed or by reason of any nonperformance or delay, caused as aforesaid, in the performance of any act or thing which by the terms of this Agreement it is provided shall or may be done or performed.

9. In connection with the provision of services under this Agreement, the Customer may direct the Bank to release information, including non - public personal information


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("NPPI"), as defined in Title V of the Gramm Leach Bliley Act and the regulations issued thereunder, including but not limited to Regulation P of the Board of Governors of the Federal Reserve, to agents or other third party service providers, including, without limitation, broker/dealers, custodians, and depositories. In addition to the foregoing, Customer consents to the release of information, including NPPI, to one or more providers of escheatment services for the purpose of escheatment of unclaimed funds in accordance with the laws of the various states. The Bank shall not incur any liability for the release of information in accordance with the foregoing provisions; and to the extent the Bank incurs any liability as a result of such release of information, the Customer shall indemnify and hold the Bank harmless in accordance with Article VIII, Section 6, it being understood that the release of such information shall not constitute negligence or willful misconduct.

10. At any time the Bank may apply to an Officer of the Customer for written instructions with respect to any matter arising in connection with the Bank's duties and obligations under this Agreement, and the Bank shall not be liable for any action taken or omitted to be taken by the Bank in good faith in accordance with such instructions. Such application by the Bank for instructions from an Officer of the Customer may, at the option of the Bank, set forth in writing any action proposed to be taken or omitted to be taken by the Bank with respect to its duties or obligations under this Agreement and the date on and/or after which such action shall be taken, and the Bank shall not be liable for any action taken or omitted to be taken in accordance with a proposal included in any such application on or after the date specified therein unless, prior to taking or omitting to take any such action, the Bank has received written instructions in response to such application specifying the action to be taken or omitted. The Bank may consult counsel to the Customer or its own counsel, at the expense of the Customer, and shall be fully protected with respect to anything done or omitted by it in good faith in accordance with the advice or opinion of such counsel.

11. When mail is used for delivery of non-negotiable Share certificates, the value of which does not exceed the limits of the Bank's Mail Insurance coverage, the Bank shall send such non-negotiable Share certificates by first class mail, and such deliveries will be covered while in transit. Non-negotiable Share certificates, the value of which exceed the limits of the Bank's Mail Insurance policy, will be sent by registered courier and will be covered by either the Bank's Mail Insurance policy or the Blanket Bond while in transit. Negotiable Share certificates will be sent by insured registered mail. The Bank shall advise the Customer of any Share certificates returned as undeliverable after being mailed as herein provided for.

12. The Bank may issue new Share certificates in place of Share certificates represented to have been lost, stolen or destroyed upon receiving instructions in writing from an Officer and indemnity satisfactory to the Bank. Such instructions from the Customer shall be in such form as approved by the Board of Directors of the Customer in accordance with applicable law or the By-Laws of the Customer governing such matters. If the Bank receives written notification from the owner of the lost, stolen or destroyed Share certificate within a reasonable time after he has notice of it, the Bank shall promptly notify the Customer and shall act pursuant to written instructions signed by an Officer. If the Customer receives such written notification from the owner of the lost, stolen or destroyed Share certificate within a reasonable time after he


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has notice of it, the Customer shall promptly notify the Bank and the Bank shall act pursuant to written instructions signed by an Officer. The Bank shall not be liable for any act done or omitted by it pursuant to the written instructions described herein. The Bank may issue new Share certificates in exchange for, and upon surrender of, mutilated Share certificates.

13. The Bank will issue and mail subscription warrants for Shares, Shares representing stock dividends, exchanges or splits, or act as conversion agent upon receiving written instructions from an Officer and such other documents as the Bank may deem necessary.

14. The Bank will supply shareholder lists to the Customer from time to time upon receiving a request therefor from an Officer of the Customer.

15. In case of any requests or demands for the inspection of the shareholder records of the Customer, the Bank will notify the Customer and endeavor to secure instructions from an Officer as to such inspection. The Bank reserves the right, however, to exhibit the shareholder records to any person whenever it is advised by its counsel that there is a reasonable likelihood that the Bank will be held liable for the failure to exhibit the shareholder records to such person.

16. At the request of an Officer, the Bank will address and mail such appropriate notices to shareholders as the Customer may direct.

17. Notwithstanding any provisions of this Agreement to the contrary, the Bank shall be under no duty or obligation to inquire into, and shall not be liable for:

(a) The legality of the issue, sale or transfer of any Shares, the sufficiency of the amount to be received in connection therewith, or the authority of the Customer to request such issuance, sale or transfer;

(b) The legality of the purchase of any Shares, the sufficiency of the amount to be paid in connection therewith, or the authority of the Customer to request such purchase;

(c) The legality of the declaration of any dividend by the Customer, or the legality of the issue of any Shares in payment of any stock dividend; or

(d) The legality of any recapitalization or readjustment of the Shares.

18. The Bank shall be entitled to receive and the Customer hereby agrees to pay to the Bank for its performance hereunder (i) Other Services expenses (as defined in Schedule I) (including legal expenses and attorney's fees) incurred in connection with this Agreement and its performance hereunder, and (ii) the compensation for services as set forth in Schedule I.

19. The Bank shall not be responsible for any money, whether or not represented by any check, draft or other instrument for the payment of money, received by it on behalf of the Customer, until the Bank actually receives and collects such funds.


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20. The Bank shall have no duties or responsibilities whatsoever except such duties and responsibilities as are specifically set forth in this Agreement, and no covenant or obligation shall be implied against the Bank in connection with this Agreement.

ARTICLE IX
TERMINATION

Either of the parties hereto may terminate this Agreement by giving to the other party a notice in writing specifying the date of such termination, which shall be not less than 60 days after the date of receipt of such notice. In the event such notice is given by the Customer, it shall be accompanied by a copy of a resolution of the Board of Directors of the Customer, certified by its Secretary, electing to terminate this Agreement and designating a successor transfer agent or transfer agents. In the event such notice is given by the Bank, the Customer shall, on or before the termination date, deliver to the Bank a copy of a resolution of its Board of Directors certified by its Secretary designating a successor transfer agent or transfer agents. In the absence of such designation by the Customer, the Bank may designate a successor transfer agent. If the Customer fails to designate a successor transfer agent and if the Bank is unable to find a successor transfer agent, the Customer shall, upon the date specified in the notice of termination of this Agreement and delivery of the records maintained hereunder, be deemed to be its own transfer agent and the Bank shall thereafter be relieved of all duties and responsibilities hereunder. Upon termination hereof, the Customer shall pay to the Bank such compensation as may be due to the Bank as of the date of such termination, and shall reimburse the Bank for any disbursements and expenses made or incurred by the Bank and payable or reimbursable hereunder.

ARTICLE X
MISCELLANEOUS

1. The indemnities contained herein shall be continuing obligations of the Customer, its successors and assigns, notwithstanding the termination of this Agreement.

2. Any notice or other instrument in writing, authorized or required by this Agreement to be given to the Customer shall be sufficiently given if addressed to the Customer and mailed or delivered to it at 2020 Calamos Court, Naperville, Illinois 60563, or at such other place as the Customer may from time to time designate in writing.

3. Any notice or other instrument in writing, authorized or required by this Agreement to be given to the Bank shall be sufficiently given if addressed to the Bank and mailed or delivered to it at its office at 101 Barclay Street (11E), New York, New York 10286 or at such other place as the Bank may from time to time designate in writing.

4. This Agreement may not be amended or modified in any manner except by a written agreement duly authorized and executed by both parties. Any duly authorized Officer may amend any Certificate naming individuals authorized to execute and deliver Certificates,


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instructions, notices or other instruments (as attached hereto as Schedule I), and the Secretary or any Assistant Secretary may amend any Certificate listing the Shares.

5. This Agreement shall extend to and shall be binding upon the parties hereto and their respective successors and assigns; provided, however, that this Agreement shall not be assignable by either party without the prior written consent of the other party; and provided, further, that (a) the foregoing proviso shall not apply to assignments by the Bank to an affiliate or subsidiary of the Bank and (b) any reorganization, merger, consolidation, sale of assets or other form of business combination by the Bank shall not be deemed to constitute an assignment of this Agreement.

6. This Agreement shall be governed by and construed in accordance with the laws of the State of New York. The parties agree that, all actions and proceedings arising out of this Agreement or any of the transactions contemplated hereby, shall be brought in the United States District Court for the Southern District of New York or in a New York State Court in the County of New York and that, in connection with any such action or proceeding, submit to the jurisdiction of, and venue in, such court. Each of the parties hereto also irrevocably waives all right to trial by jury in any action, proceeding or counterclaim arising out of this Agreement or the transactions contemplated hereby.

7. This Agreement may be executed in any number of counterparts each of which shall be deemed to be an original; but such counterparts, together, shall constitute only one instrument.

8. The provisions of this Agreement are intended to benefit only the Bank and the Customer, and no rights shall be granted to any other person by virtue of this Agreement.

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by their respective corporate officers, thereunto duly authorized and their respective corporate seals to be hereunto affixed, as of the day and year first above written.

[Signature Page Follows]


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                                        EACH FUND, as identified on Schedule II
                                        as such may be amended from time to time

                                        By: CALAMOS ADVISORS LLC, as investment
                                        manager of such Fund

Attest:

_________________________              By: _________________________
Patrick H. Dudasik, Executive          Name: James Vice President S. Hamman, Jr.
Vice President, Chief Financial        Title: Executive Vice President, General
Officer and Treasurer                  Counsel and Secretary and as Secretary of
                                       the Funds identified on Schedule II


Attest:                                THE BANK OF NEW YORK


_________________________                   By: _________________________
                                            Name:________________________
                                            Title:_______________________


SCHEDULE I
CERTIFICATE OF AUTHORIZED PERSONS

(THE FUND - ORAL AND WRITTEN INSTRUCTIONS)

The undersigned hereby certifies that [he/she] is the duly elected and acting Assistant Secretary of the funds and/or trusts listed below (each a "Fund" and collectively, the "Funds"), and further certifies that the following individuals have been duly authorized by the Funds to deliver the following procedures, as indicated, by either written or oral instructions to The Bank of New York, as transfer agent ("Transfer Agent") in connection with the services provided to the Funds by the Transfer Agent pursuant to the Transfer Agent Agreement, as amended from time to time, between each Fund and the Transfer Agent, and that the signatures appearing opposite their names are true and correct.

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

--------------------        --------------------        --------------------
Name                        Title                       Signature

FUNDS:

Calamos Advisors Trust
Calamos Investment Trust
Calamos Convertible Opportunities and Income Fund Calamos Convertible and High Income Fund Calamos Strategic Total Return Fund
Calamos Global Total Return Fund
Calamos Global Dynamic Income Fund

[SIGNATURE PAGE FOLLOWS]


IN WITNESS WHEREOF, this Certificate of Authorized Persons is executed by the Assistant Secretary of the Funds and hereby supersedes any previous Certificate of Authorized Persons or similar authorization provided to the Custodian by the Funds.

By:
Name:


Title: Assistant Secretary
Date:


SCHEDULE II

with respect to the

AMENDED AND RESTATED STOCK TRANSFER AGENCY AGREEMENT

between

THE FUNDS

and

THE BANK OF NEW YORK

CUSTOMER NAME               TYPE OF            STATE OF          TAXPAYER
                            ORGANIZATION       ORGANIZATION      I.D. NO.
Calamos Convertible         Business Trust     Delaware          03-0426532
Opportunities and
Income Fund

Calamos Strategic           Business Trust     Delaware          04-3785941
Total Return Fund

Calamos Convertible and     Business Trust     Delaware          02-0683363
High Income Fund

Calamos Global Total        Business Trust     Delaware          20-3377281
Return Fund

Calamos Global              Business Trust     Delaware          20-8819776
Dynamic Income Fund


[BANK OF NEW YORK LOGO]

AMENDED AND RESTATED STOCK TRANSFER AGENCY AGREEMENT

between

EACH ENTITY LISTED ON SCHEDULE II HERETO

and

THE BANK OF NEW YORK

Dated as of June 15, 2007

ACCOUNT NUMBER(S) ___________________________


Exhibit k.2

Amended and Restated
Financial Accounting Services Agreement

THIS AGREEMENT is made as of December 13, 2004 among the parties listed in Schedule I, as it may be amended from time to time (singularly "Party" and collectively "Parties") and Calamos Advisors LLC, a Delaware limited liability company ("Calamos").

Recitals

A. Each Party is registered under the Investment Company Act of 1940, as amended (the "1940 Act"), as a management investment company;

B. Calamos has the resources to provide accounting services to investment companies; and

C. The Parties desire to retain Calamos to provide certain accounting services.

Agreement

The parties agree as follows:

1. APPOINTMENT OF CALAMOS AS FUND ACCOUNTANT

Each Party appoints Calamos as one of its respective accountants on the terms and conditions set forth in this Agreement, and Calamos accepts such appointment and agrees to perform the services and duties set forth in this Agreement.

2. SERVICES AND DUTIES OF CALAMOS

Calamos shall provide the following accounting services to each Party, including but not limited to:

A. Manage the Party's expenses and expense payment processing.

B. Monitor the calculation of expense accrual amounts for each Party and make any necessary modifications.

C. Coordinate any expense reimbursement calculations and payment.

D. Calculate yields on a Party in accordance with rules and regulations of the Securities and Exchange Commission (the "SEC").

E. Calculate net investment income dividends and capital gain distributions.

(1) Calculate, track and report tax adjustments on all assets of each Party, including but not limited to contingent debt and preferred trust obligations.

(2) Prepare excise tax and fiscal year distribution schedules.


(3) Prepare tax information required for financial statement footnotes.

(4) Prepare state and federal income tax returns.

(5) Prepare specialized calculations of amortization on convertible securities.

(6) Prepare year-end dividend disclosure information.

(7) Coordinate the audits for each Fund.

(8) Prepare financial reporting statements for each Fund.

(9) Prepare regulatory filing.

(10) Calculate asset coverage test for CHI, CHY, CSQ and CGO

(11) Prepare and distribute press releases for CHI CHY, CSQ and CGO.

F. Calculate trustee deferred compensation plan accruals and valuations.

G. Prepare Form 1099 information statements for Board members and service providers.

3. COMPENSATION

Each Party shall compensate Calamos for providing the services set forth in this Agreement in accordance with the fee schedule set forth on Exhibit A hereto (as amended from time to time by written agreement of the parties). Each Party shall pay all fees and reimbursable expenses within 30 calendar days following receipt of the billing notice, except for any fee or expense subject to a good faith dispute. Notwithstanding anything to the contrary, amounts owed by a Party to Calamos shall only be paid out of the assets and property of the particular Party involved.

4. INDEMNIFICATION; LIMITATION OF LIABILITY

A. Calamos shall exercise reasonable care in the performance of its duties under this Agreement. Calamos shall not be liable for any error of judgment or mistake of law or for any loss suffered by a Party in connection with matters to which this Agreement relates, including losses resulting from mechanical breakdowns or the failure of communication or power supplies beyond Calamos' control, except a loss arising out of or relating to Calamos' refusal or failure to comply with the terms of this Agreement or from bad faith, negligence, or willful misconduct on its part in the performance of its duties under this Agreement. Notwithstanding any other provision of this Agreement, if Calamos has exercised reasonable care in the performance of its duties under this Agreement, each Party shall indemnify and hold harmless Calamos, its directors, officers, employees and agents from and against any and all claims, demands, losses, expenses, and liabilities of any and

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every nature (including reasonable attorneys' fees) that Calamos, its directors, officers, employees and agents may sustain or incur or that may be asserted against Calamos by any person arising out of any action taken or omitted to be taken by it in performing the services hereunder, (i) in accordance with the standard of care set forth herein, or (ii) in reliance upon any written or oral instruction provided to Calamos by any duly authorized officer of a Party, such duly authorized officer to be included in a list of authorized officers furnished to Calamos and as amended from time to time in writing by resolution of a Party's Board of Trustees, except for any and all claims, demands, losses, expenses, and liabilities arising directly or indirectly out of or relating to Calamos' refusal or failure to comply with the terms of this Agreement or from bad faith, negligence or from willful misconduct on its part in performance of its duties under this Agreement.

Calamos shall indemnify and hold each Party, its officers, trustees and employees harmless from and against any and all claims, demands, losses, expenses, and liabilities of any and every nature (including reasonable attorneys' fees) that such Party may sustain or incur or that may be asserted against such Party by any person arising directly or indirectly out of any action taken or omitted to be taken by Calamos as a result of Calamos' refusal or failure to comply with the terms of this Agreement, its bad faith, negligence, or willful misconduct.

In the event of a mechanical breakdown or failure of communication or power supplies beyond its control, Calamos shall take all reasonable steps to minimize service interruptions for any period that such interruption continues beyond Calamos' control. Calamos will make every reasonable effort to restore any lost or damaged data and correct any errors resulting from such a breakdown at the expense of Calamos. Calamos agrees that it shall, at all times, have reasonable contingency plans with appropriate parties, making reasonable provision for emergency use of electrical data processing equipment to the extent appropriate equipment is available. Representatives of each Party shall be entitled to inspect Calamos' premises and operating capabilities at any time during regular business hours of Calamos, upon reasonable notice to Calamos.

Notwithstanding the above, Calamos reserves the right to reprocess and correct administrative errors at its own expense.

B. In order that the indemnification provisions contained in this section shall apply, it is understood that if in any case the indemnitor may be asked to indemnify or hold the indemnitee harmless, the indemnitor shall be fully and promptly advised of all pertinent facts concerning the situation in question, and it is further understood that the indemnitee will use all reasonable care to notify the indemnitor promptly concerning any situation that presents or appears likely to present the probability of a claim for indemnification. The indemnitor shall have the option to defend the indemnitee against any claim that may be the subject of this indemnification with counsel reasonably satisfactory to indemnitee unless the legal rights and defenses

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available to indemnitor and indemnitee present a conflict for joint counsel. In the event that the indemnitor so elects to defend indemnitee, it will so notify the indemnitee and thereupon the indemnitor shall take over complete defense of the claim, and the indemnitee shall in such situation initiate no further legal or other expenses for which it shall seek indemnification under this section provided, however, if a conflict of interest arises after the election to defend, indemnitee may select its own counsel and shall be entitled to seek indemnification for expenses. Indemnitee shall in no case confess any claim or make any compromise in any case in which the indemnitor will be asked to indemnify the indemnitee except with the indemnitor's prior written consent; provided however, that the indemnitor shall not settle a claim that results in any admission of wrongdoing by indemnitee without indemnitee's prior written consent.

5. PROPRIETARY AND CONFIDENTIAL INFORMATION

Calamos agrees on behalf of itself and its directors, officers, and employees to treat confidentially and as proprietary information of each Party all records and other information relative to such Party and prior, present, or potential shareholders of such Party (and clients of said shareholders) including all shareholder trading information, and not to use such records and information for any purpose other than the performance of its responsibilities and duties hereunder, except after prior notification to and approval in writing by the Party, which approval shall not be unreasonably withheld when requested to divulge such information by duly constituted authorities, or when so requested by such Party. Calamos acknowledges that it may come into possession of material nonpublic information with respect to a Party and confirms that it has in place effective procedures to prevent the use of such information in violation of applicable insider trading laws.

Further, Calamos will adhere to the privacy policies adopted by each Party pursuant to Title V of the Gramm-Leach-Bliley Act, as it may be modified from time to time (the "Act"). Notwithstanding the foregoing, Calamos will not share any nonpublic personal information concerning any Party's shareholders with any third party unless specifically directed by such Party or allowed under one of the exceptions noted under the Act.

6. TERM OF AGREEMENT; AMENDMENT

This Agreement shall become effective as of the date first written above and will continue in effect until July 31, 2005, and from year-to-year thereafter; this Agreement may be terminated by either party upon giving 60 days prior written notice to the other party or such shorter period as is mutually agreed upon by the parties. This Agreement may be amended by mutual written agreement of the parties.

7. RECORDS

Calamos shall keep records relating to the services to be performed hereunder in the form and manner, and for such period, as it may deem advisable and is agreeable to the Parties, but not inconsistent with the rules and regulations of appropriate government authorities,

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in particular, Section 31 of the 1940 Act and the rules thereunder. Calamos agrees that all such records prepared or maintained by Calamos relating to the services to be performed by Calamos hereunder are the property of each respective Party and will be preserved, maintained, and made available in accordance with such applicable sections and rules of the 1940 Act and will be promptly surrendered to such Party on and in accordance with its request. Calamos agrees to provide any records necessary for each Party to comply with its disclosure controls and procedures adopted in accordance with the Sarbanes-Oxley Act. Without limiting the generality of the foregoing, the Calamos shall cooperate with each Party and assist such Party as necessary by providing information to enable the appropriate officers of such Party to execute any certification required under that Act.

8. GOVERNING LAW

This Agreement shall be construed in accordance with the laws of the State of Illinois, without regard to conflicts of law principles. To the extent that the applicable laws of the State of Illinois, or any of the provisions herein, conflict with the applicable provisions of the 1940 Act, the latter shall control, and nothing herein shall be construed in a manner inconsistent with the 1940 Act or any rule or order of the SEC thereunder.

9. DUTIES IN THE EVENT OF TERMINATION

In the event that, in connection with termination of this Agreement, a successor to any of Calamos' duties or responsibilities hereunder is designated by the Parties by written notice to Calamos, Calamos will promptly, upon such termination and at the expense of each Party, transfer to such successor all relevant books, records, correspondence and other data established or maintained by Calamos under this Agreement in a form reasonably acceptable to the Parties (if such form differs from the form in which Calamos has maintained the same, each Party shall pay any expenses associated with transferring the same to such form), and will cooperate in the transfer of such duties and responsibilities, including provision for assistance from Calamos' personnel in the establishment of books, records and other data by such successor.

10. NO AGENCY RELATIONSHIP

Nothing herein contained shall be deemed to authorize or empower Calamos to act as agent for the Trust party to this Agreement, nor to conduct business in the name, or for the account, of the other party to this Agreement.

11. DATA NECESSARY TO PERFORM SERVICES

The Parties or their agent shall furnish to Calamos the data necessary to perform the services described herein at such times and in such form as mutually agreed upon. If Calamos is also acting in another capacity for such Party, nothing herein shall be deemed to relieve Calamos of any of its obligations in such capacity.

12. ASSIGNMENT

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This Agreement may not be assigned by either party without the prior written consent of the other party.

13. NOTICES

Any notice required or permitted to be given by either party to the other shall be in writing and shall be deemed to have been given on the date delivered personally or by courier service, or upon delivery after sent by registered or certified mail, postage prepaid, return receipt requested, or on the date sent and confirmed received by facsimile transmission to the other party's address set forth below:

Notice to Calamos shall be sent to:

Calamos Asset Management, Inc. Attention: General Counsel
1111 East Warrenville Road,
Naperville, IL 60563-1493

and notice to the Parties shall be sent to:

[NAME OF PARTY]

Attention: Treasurer
1111 East Warrenville Road,
Naperville, IL 60563-1493

14. ENTIRE AGREEMENT

This Agreement constitutes the entire agreement of the parties with respect to the subject matter hereof and supersedes all prior agreements, arrangements and understandings, whether written or oral.

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IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by a duly authorized officer on one or more counterparts as of the date first above written.

CALAMOS INVESTMENT TRUST, ON BEHALF     CALAMOS ADVISORS LLC
AND EACH OF ITSELF AND EACH SERIES
THEREUNDER


By:                                     By:
    ---------------------------------       ------------------------------------
Title: Assistant Treasurer              Title: Secretary

CALAMOS ADVISORS TRUST, ON BEHALF OF
ITSELF AND EACH SERIES THEREUNDER

By:
Title: Assistant Treasurer

CALAMOS CONVERTIBLE OPPORTUNITIES AND
INCOME FUND

By:
Title: Assistant Treasurer

CALAMOS CONVERTIBLE AND HIGH INCOME
FUND

By:
Title: Assistant Treasurer

CALAMOS STRATEGIC TOTAL RETURN FUND

By:
Title: Assistant Treasurer

CALAMOS GLOBAL TOTAL RETURN FUND

By:
Title: Assistant Treasurer

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EXHIBIT A
TO THE
FINANCIAL ACCOUNTING SERVICES AGREEMENT

FEE SCHEDULE

Each Party shall pay to Calamos for the services contemplated hereunder the following annual rate based on the daily average net assets of all Parties:

0.0175% on the first $1 billion 0.0150% on the next $1 billion 0.0110% on average net assets in excess of $2 billion


SCHEDULE I

Calamos Investment Trust, a Massachusetts business trust Calamos Convertible Fund
Calamos Growth and Income Fund
Calamos Market Neutral Fund
Calamos Growth Fund
Calamos Global Growth and Income Fund Calamos High Yield Fund
Calamos Value Fund
Calamos Blue Chip Fund
Calamos International Growth Fund

Calamos Advisors Trust, a Massachusetts business trust Calamos Growth and Income Portfolio

Calamos Convertible Opportunities and Income Fund, a Delaware statutory trust

Calamos Convertible and High Income Fund, a Delaware statutory trust

Calamos Strategic Total Return Fund, a Delaware statutory trust

Calamos Global Total Return Fund, a Delaware statutory trust


AMENDMENT TO THE
AMENDED AND RESTATED FINANCIAL ACCOUNTING SERVICES AGREEMENT

This is an amendment (the "Amendment") to the Amended and Restated Financial Accounting Services Agreement, dated December 13, 2004 (the "Agreement") entered into among Calamos Advisors LLC and the parties listed in Schedule I thereto.

In consideration of the mutual agreements and covenants contained herein, the parties agree to the following amendments to the Agreement:

(1) Schedule I of the Agreement is hereby deleted and replaced with the attached Schedule I; and

(2) All other terms of the Agreement shall remain in full force and effect. If the terms of the Agreement and this Amendment conflict, then the terms of the Amendment shall control.

This Amendment shall be effective as of June 15, 2007.

CALAMOS ADVISORS LLC                    CALAMOS INVESTMENT TRUST, ON BEHALF OF
                                        ITSELF AND EACH SERIES THEREUNDER


By: /s/ Patrick H. Dudasik              By: /s/ James S. Hamman, Jr.
    ---------------------------------       ------------------------------------
Name: Patrick H. Dudasik                Name: James S. Hamman, Jr.
Title: Executive Vice President,        Title: Secretary
       Chief Financial Officer,
       Chief Operating Officer and
       Treasurer


CALAMOS ADVISORS TRUST, ON BEHALF       CALAMOS CONVERTIBLE OPPORTUNITIES AND
OF ITSELF AND EACH SERIES THEREUNDER    INCOME FUND


By: /s/ James S. Hamman, Jr.            By: /s/ James S. Hamman, Jr.
    ---------------------------------       ------------------------------------
Name: James S. Hamman, Jr.              Name: James S. Hamman, Jr.
Title: Secretary                        Title: Secretary


CALAMOS CONVERTIBLE AND HIGH INCOME     CALAMOS STRATEGIC TOTAL RETURN FUND
FUND


By: /s/ James S. Hamman, Jr.            By: /s/ James S. Hamman, Jr.
    ---------------------------------       ------------------------------------
Name: James S. Hamman, Jr.              Name: James S. Hamman, Jr.
Title: Secretary                        Title: Secretary


CALAMOS GLOBAL TOTAL RETURN FUND        CALAMOS GLOBAL DYNAMIC INCOME FUND


By: /s/ James S. Hamman, Jr.            By: /s/ James S. Hamman, Jr.
    ---------------------------------       ------------------------------------
Name: James S. Hamman, Jr.              Name: James S. Hamman, Jr.
Title: Secretary                        Title: Secretary


SCHEDULE I

CALAMOS INVESTMENT TRUST, A MASSACHUSETTS BUSINESS TRUST
Calamos Convertible Fund
Calamos Growth and Income Fund
Calamos Market Neutral Income Fund
Calamos Growth Fund
Calamos Global Growth and Income Fund Calamos High Yield Fund
Calamos Value Fund
Calamos Blue Chip Fund
Calamos International Growth Fund
Calamos Multi-Fund Blend
Calamos Global Equity Fund
Calamos Government Money Market Fund Calamos Total Return Bond Fund

CALAMOS ADVISORS TRUST, A MASSACHUSETTS BUSINESS TRUST
Calamos Growth and Income Portfolio

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, A DELAWARE STATUTORY TRUST

CALAMOS CONVERTIBLE AND HIGH INCOME FUND, A DELAWARE STATUTORY TRUST

CALAMOS STRATEGIC TOTAL RETURN FUND, A DELAWARE STATUTORY TRUST

CALAMOS GLOBAL TOTAL RETURN FUND, A DELAWARE STATUTORY TRUST

CALAMOS GLOBAL DYNAMIC INCOME FUND, A DELAWARE STATUTORY TRUST


Exhibit k.3

MASTER SERVICES AGREEMENT

This AGREEMENT is made as of March 15, 2004 by and among each registered management investment company identified on Appendix A hereto (each such management investment company and each management investment company made subject to this Agreement in accordance with Section 8.5 below shall hereinafter be referred to as a "FUND" and are sometimes collectively hereinafter referred to as the "FUNDS"), and STATE STREET BANK AND TRUST COMPANY, a Massachusetts trust company, having its principal place of business at 225 Franklin Street, Boston, Massachusetts 02110 (the "AGENT").

WHEREAS, each Fund desires to retain the Agent to perform certain services;

WHEREAS, each Fund may or may not be authorized to issue common stock or shares of beneficial interest ("SHARES") in separate series, with each such series representing interests in a separate portfolio of securities and other assets;

WHEREAS, each Fund so authorized intends that this Agreement be applicable to its series of Shares (as identified on Appendix A hereto (such series together with all other series subsequently established by such Fund and made subject to this Agreement in accordance with Section 8.6 below, shall hereinafter be referred to as the "PORTFOLIO(S)");

WHEREAS, each Fund not so authorized intends that this Agreement be applicable to it and that all references hereinafter to one or more "Portfolio(s)" shall be deemed to refer to such Fund(s); and

WHEREAS, the Agent is willing to perform such services upon the terms and conditions hereinafter set forth.

Now, THEREFORE, in consideration of the mutual covenants and agreements hereinafter contained, the parties hereto agree as follows:

SECTION 1. DUTIES OF THE AGENT.

SECTION 1.1 BOOKS OF ACCOUNT.

The Agent shall maintain the books of account of each Fund and shall perform the following duties in the manner prescribed by such Fund's currently effective prospectus, statement of additional information or other governing document, certified copies of which have been supplied to the Agent (a "GOVERNING DOCUMENT"):

a. Maintain each Portfolio's general ledger and such other accounts, books and financial records of such Portfolio as the parties may agree upon from time to time, and as may be required by the Investment Company Act of 1940, as amended (the "1940 ACT");


b. Maintain each Portfolio's portfolio security transaction records utilizing trade date provided to the Agent by such Portfolio's duly authorized investment adviser (each, an "INVESTMENT ADVISER");

c. For each valuation date, post each Portfolio's transactions to such Portfolio's general ledger including, but not limited to:

- Calculate unrealized appreciation and depreciation regarding portfolio securities;

- Amortize premiums and discounts regarding portfolio securities, as applicable;

- Calculate fee-based expenses and set-up expense accruals as directed by the applicable Fund;

- Record payments of Portfolio expenses upon written instructions of a Fund or duly authorized agent thereof;

- Calculate interest and dividend income and reset interest accrual for variable rate securities, as applicable

d. Reconcile cash, foreign currency and portfolio security holding positions with each Portfolio's custodian (each, a "CUSTODIAN") daily,

e. Post each Portfolio's corporate actions;

f. Calculate the net asset value of each Portfolio and report same to the Fund or such other entities or persons as the Fund may instruct from time to time;

g. Prepare and transmit to the Fund, or such other entities or persons as the Fund may instruct from time to time, such periodic reports of Fund data as may be mutually agreed upon by the parties hereto; and

h. Post shareholder reinvestment activity and reconcile share balances with each Portfolio's transfer agent (each, a "TRANSFER AGENT") in conjunction with Portfolio distributions.

Each Fund shall provide timely prior notice to the Agent of any modification in the manner in which such calculations are to be performed as prescribed in any revision to such Fund's governing document and shall supply the Agent with certified copies of all amendments and/or supplements to the governing documents in a timely manner. For purposes of calculating the net asset value of a Fund, the Agent shall value each Fund's portfolio securities utilizing prices obtained from sources designated by such Fund (collectively, the "AUTHORIZED PRICE SOURCES") on a Price Source Authorization substantially in the form attached hereto as Exhibit A, as the same may be amended from time to time, or otherwise designated by means of Proper Instructions (as such term is defined in Section 2.2 below) (the "PRICE SOURCE AUTHORIZATION"). The Agent shall not be responsible for any revisions to the methods of calculation unless and until such revisions are communicated in writing to the Agent.

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SECTION 1.2 ADDITIONAL SERVICES.

The Agent shall provide the following services, as applicable, in each case, subject to the control, supervision and direction of each Fund and subject to any necessary review and comments by the Fund's auditors and legal counsel and in accordance with procedures or policies that maybe established from time to time by and between the Agent and the Fund:

a. Prepare and distribute daily total return calculations;

b. Prepare monthly distribution analysis;

c. Complete monthly preferred shares "asset coverage" test (as that term is defined in Section 18(h) of the 1940 Act following agreed-upon compliance procedures (the "COMPLIANCE PROCEDURES"); and

d. Complete monthly (or more frequently as reasonably requested by the applicable rating agency) preferred shares basic maintenance test for applicable rating agency(ies) and preferred rate auction following the Compliance Procedures.

SECTION 1.3 RECORDS.

The Agent shall create and maintain all records relating to its activities and obligations under this Agreement in such a manner as will meet the obligations of each Fund under the 1940 Act, specifically Section 31 thereof and Rules 31a-l and 31a-2 thereunder. All such records shall be the property of the applicable Fund and shall at all times during the regular business hours of the Agent be open for inspection by duly authorized officers, employees or agents of the applicable Fund and employees and agents of the Securities and Exchange Commission. Subject to Section 3 below, the Agent shall preserve for the period required by law the records required to be maintained thereunder.

SECTION 1.4 APPOINTMENT OF AGENTS.

The Agent may at its own expense employ agents in the performance of its duties and the exercise of its rights under this Agreement, provided that the employment of such agents shall not reduce the Agent's obligations or liabilities hereunder.

SECTION 2. DUTIES OF EACH FUND.

SECTION 2.1 DELIVERY OF INFORMATION.

Each Fund shall provide, or shall cause a third party to provide, timely notice to the Agent of certain data as a condition to the Agent's performance described in Section 1 above. The data required to be provided pursuant to this section is set forth on Schedule A hereto, which schedule may be separately amended or supplemented by the parties from time to time.

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The Agent is authorized and instructed to rely upon the information it receives from the Fund or any third party. The Agent shall have no responsibility to review, confirm or otherwise assume any duty with respect to the accuracy or completeness of any data supplied to it by or on behalf of any Fund.

SECTION 2.2 PROPER INSTRUCTIONS.

The Fund or any other person duly authorized by the Fund shall communicate to the Agent by means of Proper Instructions. Proper Instructions shall mean (i) a writing signed or initialed by one or more persons as the Board of Directors or Board of Trustees of a Fund shall have from time to time authorized or (ii) communication effected directly between a Fund or its third-party agents (each, a "THIRD PARTY AGENT") and the Agent by electro-mechanical or electronic devices, provided that such Fund and the Agent agree to security procedures. The Agent may rely upon any Proper Instruction believed by it to be genuine and to have been properly issued by or on behalf of the applicable Fund. Oral instructions shall be considered Proper Instructions if the Agent reasonably believes them to have been given by a person authorized to give such instructions. The Fund shall cause all oral instructions to be confirmed in accordance with clauses (i) or (ii) above, as appropriate. The Fund shall give timely Proper Instructions to the Agent in regard to matters affecting accounting practices and the Agent's performance pursuant to this Agreement.

SECTION 3. STANDARD OF CARE: LIMITATION OF LIABILITY: EXCLUSIVE REMEDY.

The Agent shall be held to the exercise of reasonable care in carrying out the provisions of this Agreement, but shall be kept indemnified by the Funds, and shall be without liability for any action taken or omitted by it (including, without limitation, acting in accordance with any Proper Instruction) in good faith without willful misconduct or negligence. The Agent shall be entitled to rely on and may act upon the advice of counsel (who may be counsel for the Fund) or the independent accountants for the Fund on all matters, and shall be without liability for any action reasonably taken or omitted pursuant to such advice. Nothing in this paragraph shall be construed as imposing upon the Agent any obligation to seek such instructions or advice, or to act in accordance with such advice when received. Without in any way limiting the generality of the foregoing, the Agent shall in no event be liable for any loss or damage arising from causes beyond its control including, without limitation, delay or cessation of services hereunder or any damages resulting therefrom as a result of work stoppage, power or other mechanical failure, natural disaster, governmental action, communication disruption or other impossibility of performance.

The Agent shall in no event be liable for any special, indirect, incidental, or consequential damages of any kind whatsoever (including, without limitation, attorney's fees) in any way due to a Fund's use of the administration or accounting services or the performance of or failure to perform the Agent's obligations under this Agreement.

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Each Fund, any Third Party Agent or Authorized Price Sources from which the Agent shall receive or obtain certain records, reports and other data utilized or included in the services provided hereunder are solely responsible for the contents of such information including, without limitation, the accuracy thereof and each Fund agrees to make no claim against the Agent arising out of the contents of such third-party data including, but not limited to, the accuracy thereof. The Agent shall have no responsibility to review, confirm or otherwise assume any duty with respect to the accuracy or completeness of any such information and shall be without liability for any loss or damage suffered as a result of the Agent's reasonable reliance on and utilization of such information, except as otherwise required by the Price Source Authorization with respect to the use of data obtained from Authorized Price Sources. The Agent shall have no responsibility and shall be without liability for any loss or damage caused by the failure of any Fund or any Third Party Agent to provide it with the information required by Section 2.1 above. Further, and without in any way limiting the generality of the foregoing, the Agent shall have no liability in respect of any loss, damage or expense suffered by the Fund or any third party, insofar as such loss, damage or expense arises from the performance of the Agent's duties hereunder by reason of the Agent's reliance upon records that were maintained for any Fund by any entity other than the Agent prior to such Fund's appointment of the Agent pursuant to this Agreement.

Each Fund agrees to indemnify and hold the Agent free and harmless from any expense, loss, damage or claim, including reasonable attorney's fees, suffered by the Agent and caused by or resulting from the acts or omissions of such Fund or any third-party whose services the Agent must rely upon in performing services hereunder.

Each Fund acknowledges and agrees that, with respect to investments it maintains with an entity which may from time to time act as a transfer agent for uncertificated shares of registered investment companies (the "UNDERLYING TRANSFER AGENT), such Underlying Transfer Agent is the sole source of information on the number of shares held by it on behalf of a Fund and that the Agent has the right to rely on holdings information furnished by the Underlying Transfer Agent to the Agent in performing its duties under this Agreement.

SECTION 3A. PERFORMANCE GOALS.

The Funds and the Agent may from time to time agree on the manner in which they expect to deliver and receive the services contemplated by this Agreement. The parties agree that such agreement(s) (hereinafter referred to as "SERVICE LEVEL DOCUMENTS)") reflect performance goals and any failure to perform in accordance with the provisions thereof shall not be considered a breach of contract that gives rise to contractual or other remedies. It is the intention of the parties that the sole remedy for failure to perform in accordance with the provisions of a Service Level Document, or any dispute relating to performance goals set forth in a Service Level Document, will be a meeting of the parties to resolve the failure pursuant to the consultation procedure described in Sections 3A.1 and 3A.2 below.

SECTION 3A.1. CONSULTATION PROCEDURE. If a party hereto is consistently unable to meet the provisions of a Service Level Document, or in the event that a dispute arises relating to

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performance goals set forth in a Service Level Document, either party to this Agreement shall address any concerns it may have by requiring a consultation with the other party.

SECTION 3A.2 PURPOSE OF CONSULTATION PROCEDURE. The purpose of the consultation procedure is to endeavor to resolve a consistent failure to meet the provisions of a Service Level Document. If a consultation occurs under this
Section 3A, all parties must negotiate in good faith to endeavor to:

(a) implement changes which will enable the Service Level Document provisions to be more regularly met;

(b) agree to alternative Service Level Document provisions which meet the parties' respective business requirements; or

(c) otherwise find a solution such that within 30 days after the consultation, the inability to meet the Service Level Document provisions may be less likely to occur in the future.

SECTION 4. REPRESENTATIONS AND WARRANTIES.

SECTION 4.1 REPRESENTATIONS AND WARRANTIES OP THE AGENT.

The Agent represents and warrants to each Fund that:

a. It is a Massachusetts trust company, duly organized and existing under the laws of The Commonwealth of Massachusetts; and

b. The person executing this Agreement on its behalf has been duly authorized to act on its behalf.

SECTION 4.2 REPRESENTATIONS AND WARRANTIES OF EACH FUND.

Each Fund represents and warrants to the Agent that:

a. It is duly organized, existing and in good standing under the laws of the jurisdiction in which it was formed;

b. It has the power and authority under applicable laws and by its organizational documents to enter into and perform this Agreement;

c. All requisite proceedings have been taken to authorize it to enter into and perform this Agreement;

d. It is an investment company properly registered under the 1940 Act; and

e. A registration statement under the 1940 Act (and if Shares of the Fund are offered publicly, under the Securities Act of 1933, as amended (the "1933 Act")) has been filed and will be effective and remain effective during the term of this Agreement. Each Fund also warrants that as of the effective date of this Agreement, all necessary filings

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under the securities laws of the states in which the Fund offers or sells its Shares have been made.

SECTION 5. COMPENSATION OF AGENT.

The Agent shall be entitled to reasonable compensation for its services, expenses, out of pocket costs and disbursements as Agent hereunder, as agreed upon from time to time between the Fund and the Agent.

SECTION 6. TERM OF AGREEMENT.

This Agreement shall become effective as of its execution, shall continue in full force and effect until terminated as hereinafter provided and may be terminated by either party by an instrument in writing delivered or mailed, postage prepaid to the other party, such termination to take effect not sooner than sixty (60) days after the date of such delivery or mailing.

Termination of this Agreement with respect to the coverage of any one particular Fund or Portfolio shall in no way affect the rights and duties under this Agreement with respect to any other Fund or Portfolio.

Upon termination of the Agreement or termination of its coverage with respect to any Fund, such Fund shall pay to the Agent such compensation as may be due as of the date of such termination (or with respect to the applicable Fund with respect to a coverage termination) and shall likewise reimburse the Agent for its costs, expenses and disbursements.

SECTION 7. SUCCESSOR AGENT.

If a successor agent for any Fund shall be appointed by a Fund, the Agent shall upon termination deliver to such successor agent at the office of the Agent all properties of such Fund held by it hereunder. If no such successor agent shall be appointed, the Agent shall at its office upon receipt of Proper Instructions deliver such properties in accordance with such instructions.

SECTION 8. GENERAL.

SECTION 8.1 MASSACHUSETTS LAW TO APPLY. This Agreement shall be governed by, construed and the provisions thereof interpreted under and in accordance with laws of The Commonwealth of Massachusetts excluding that body of law applicable to conflicts of law.

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SECTION 8.2 PRIOR AGREEMENTS. This Agreement supersedes and terminates, as of the date hereof, all prior agreements between any Fund and the Agent relating to fund accounting and recordkeeping services regarding such Fund.

SECTION 8.3 ASSIGNMENT. This Agreement may not be assigned by (a) a Fund without the prior written consent of the Agent or (b) by the Agent without the prior written consent of the Funds, except that either party may, without such prior consent, assign to an entity controlling, controlled by or under common control with such party or to a successor of all of or a substantial portion of its business.

SECTION 8.4 INTERPRETIVE AND ADDITIONAL PROVISIONS. In connection with the operation of this Agreement, the Agent and the Funds may from time to time agree on such provisions interpretive of or in addition to the provisions of this Agreement as may in their joint opinion be consistent with the general tenor of this Agreement. Any such interpretive or additional provisions shall be in a writing signed by all parties and shall be annexed hereto, provided that no such interpretive or additional provisions shall contravene any applicable federal or state regulations or any provision of a Fund's governing documents. No interpretive or additional provisions made as provided in the preceding sentence shall be deemed to be an amendment of this Agreement.

SECTION 8.5 ADDITIONAL FUNDS. In the event that any management investment company in addition to those listed on Appendix A hereto desires to have the Agent render services as agent under the terms hereof, it shall so notify the Agent in writing, and if the Agent agrees in writing to provide such services, such management investment company shall become a Fund hereunder and be bound by all terms and conditions and provisions hereof with respect to such Fund.

SECTION 8.6 ADDITIONAL PORTFOLIOS. In the event that any Fund establishes one or more series of Shares in addition to those set forth on Appendix A hereto with respect to which it desires to have the Agent render services as agent under the terms hereof, it shall so notify the Agent in writing, and if the Agent agrees in writing to provide such services, such series of Shares shall become a Portfolio hereunder.

SECTION 8.7 AMENDMENTS. NO amendment to this Agreement shall be effective unless it is in writing and signed by a duly authorized representative or each party. The term "Agreement," as used herein, includes all schedules, addenda, exhibits, appendices and attachments hereto and any future written amendments, modifications, or supplements made in accordance herewith.

SECTION 8.8 REMOTE ACCESS SERVICES ADDENDUM. Each Fund and the Agent hereby agree to the terms of the Remote Access Services Addendum hereto.

SECTION 8.9 SERVICES NOT EXCLUSIVE. Each Fund hereby acknowledges that the services of the Agent hereunder are not to be deemed exclusive to any Fund and the Agent remains free to render similar services to others.

8.


SECTION 8.10 NOTICES. Any notice, instruction or other instrument required to be given hereunder may be delivered in person to the offices of the parties as set forth herein during normal business hours or delivered prepaid registered mail or by telex, cable or telecopy to the parties at the following addresses or such other addresses as may be notified by any party from time to time.

To any Fund: c/o Calamos Asset Management, Inc. 111 East Warrenville Road
Naperville, Illinois 60563-1493 Attention: _________________, Treasurer Telephone: (630) 577-2106
Telecopy: (630)955-6964

To the Agent: STATE STREET BANK AND TRUST COMPANY

Joseph Palmer Building

One Heritage Drive, JPB3N
North Quincy, Massachusetts 02171 Attention: Scott E. Johnson, Vice President Telephone: 617-985-6725
Telecopy: 617-985-9797

Such notice, instruction or other instrument shall be deemed to have been served in the case of a registered letter at the expiration of five business days after posting, in the case of cable twenty-four hours after dispatch and, in the case of telex, immediately on dispatch and if delivered outside normal business hours it shall be deemed to have been received at the next time after delivery when normal business hours commence and in the case of cable, telex or telecopy on the business day after the receipt thereof. Evidence that the notice was properly addressed, stamped and put into the post shall be conclusive evidence of posting.

SECTION 8.11 HEADINGS NOT CONTROLLING. Headings used in this Agreement are for reference purposes only and shall not be deemed a part of this Agreement.

SECTION 8.12 SURVIVAL. All provisions regarding indemnification, warranty, liability and limits thereon shall survive the expiration or termination of this Agreement.

SECTION 8.13 COUNTERPARTS. This Agreement may be executed in several counterparts, each of which shall be deemed to be an original, and all such counterparts taken together shall constitute one and the same agreement.

SECTION 8.14 SEVERABILITY. If any provision or provisions of this Agreement shall be held to be invalid, unlawful or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired.

9.


SECTION 8.15 REPRODUCTION OF DOCUMENTS. This Agreement and all schedules, addenda, exhibits, appendices, attachments and amendments hereto may be reproduced by any photographic, photostatic, microfilm, micro-card, miniature photographic or other similar process. The parties hereto all/each agree that any such reproduction shall be admissible in evidence as the original itself in any judicial or administrative proceeding, whether or not the original is in existence and whether or not such reproduction was made by a party in the regular course of business, and that any enlargement, facsimile or further reproduction of such reproduction shall likewise be admissible in evidence.

REMAINDER OF PAGE INTENTIONALLY LEFT BLANK

10.


SIGNATURE PAGE

IN WITNESS WHEREOF, each of the parties has caused this instrument to be executed in its name and behalf by its duly authorized representative and its seal to be hereunder affixed as of the date first above-written.

SIGNATURE ATTESTED TO BY:               EACH REGISTERED MANAGEMENT INVESTMENT
                                        COMPANY SET FORTH ON APPENDIX A HERETO


/s/ Ian J. McPheron                     By: /s/ Nimish Bhatt
-------------------------------------       ------------------------------------
Ian J. McPheron, Assistant Secretary        Nimish Bhatt, Treasurer


SIGNATURE ATTESTED TO BY:               STATE STREET BANK AND TRUST COMPANY


/s/ Stephanie L. Poster                 By: /s/ Joseph L. Hooley
-------------------------------------       ------------------------------------
Stephanie L. Poster, Vice President         Joseph L. Hooley, Executive
                                            Vice President


APPENDIX A
TO
MASTER ACCOUNTING SERVICES AGREEMENT

MANAGEMENT INVESTMENT COMPANIES AND PORTFOLIOS THEREOF, IF ANY

CALAMOS STRATEGIC TOTAL RETURN FUND

(i)

EXHIBIT A
TO
MASTER ACCOUNTING SERVICES AGREEMENT

FORM OF PRICE SOURCE AUTHORIZATION

(i)

To: State Street Bank and Trust Company

From: Fund Name: __________________________________________

Fund Address: _____________________________________________

Date: ______________

Re: PRICE SOURCE AUTHORIZATION

Reference is made to that certain Master Administration and Accounting Services Agreement dated March 15, 2004 (as amended, restated, modified or supplemented from time to time, the "Agreement") by and among each Fund and the Agent. Capitalized terms used in this Price Source Authorization or in any attachment or supplement shall have the meanings provided in the Agreement unless otherwise specified. Pursuant to the Agreement, each Fund hereby directs the Agent to calculate the net asset value ("NAV") of such Fund or, if applicable, its Portfolios, in accordance with the terms of such Fund's or Portfolio's currently effective prospectus. The Agent will perform the NAV calculation subject to the terms and conditions of the Agreement and this Price Source Authorization.

Each Fund hereby authorizes the Agent to use the pricing sources specified on the attached Authorization Matrix (as amended from time to time) as sources for prices of assets in calculating the NAV of such Fund. Each Fund understands that the Agent does not assume responsibility for the accuracy of the quotations provided by the specified pricing sources and that the Agent shall have no liability for any incorrect data provided by the pricing sources specified by any Fund, except as may arise from the Agent's lack of reasonable care in performing agreed upon tolerance checks as to the data furnished and calculating the NAV of a Fund in accordance with the data furnished to the Agent. Each Fund also acknowledges that prices supplied by such Fund or an affiliate may be subject to approval of that Fund's Board of Trustees or Board of Directors, as applicable, and are not the responsibility of the Agent.

Each Fund agrees to Indemnify and hold the Agent harmless from any claim, loss or damage arising as a result of using prices furnished by any specified pricing source.

The Agent agrees that written notice of any change in the name of any specified pricing source will be sent to affected Fund as such information is available to the Agent.

Kindly acknowledge your acceptance of this authorization in the space provided below.

EACH FUND LISTED ON APPENDIX A HERETO

By:                                     The foregoing authorization is hereby
    ---------------------------------   accepted.
Name:
      -------------------------------    STATE STREET BANK AND TRUST COMPANY
Title:
       ------------------------------
                                        By:
                                            ------------------------------------
                                                                 ,Vice President


APPENDIX A

[LIST OF FUNDS]


SCHEDULE A
TO
MASTER ACCOUNTING SERVICES AGREEMENT

INFORMATION REQUIRED TO BE SUPPLIED        RESPONSIBLE PARTY
-----------------------------------        -----------------
Portfolio Trade Authorizations             Investment Adviser
Currency Transactions                      Investment Adviser
Cash Transaction Report                    Custodian
Portfolio Prices                           Third Party Vendors/Investment Adviser
Exchange Rates                             Third Party Vendors/Investment Adviser
Capital Stock Activity Report              Transfer Agent
Dividend/Distribution Schedule             Investment Adviser
Dividend/Distribution Declaration          Investment Adviser
Dividend Reconciliation/Confirmation       Transfer Agent
Corporate Actions                          Third Party Vendors/Custodian
Service Provider Fee Schedules             Investment Adviser
Expense Budget                             Investment Adviser/Administrator
Amortization Policy                        Investment Adviser
Accounting Policy/Complex Investments      Investment Adviser
Audit Management Letter                    Auditor
Annual Shareholder Letter                  Investment Adviser
Annual/Semi-Annual Reports                 Investment Adviser/Administrator
Declaration of Trust or Articles           Investment Adviser/Administrator
   of incorporation, as amended
By-Laws, as amended                        Investment Adviser/Administrator
Currently Effective Registration           Investment Adviser/Administrator
   Statement under the 1933 and 1940 Act
Current Prospectus(es) and Statement(s)    Investment Adviser/Administrator
   of Additional Information
Such other certificates, documents or      Investment Adviser/Administrator
   opinions which the Agent may, in its
   reasonable discretion, deem necessary
   or appropriate in the proper
   performance of its duties

(i)

REMOTE ACCESS SERVICES ADDENDUM
TO
MASTER ADMINISTRATION AND ACCOUNTING SERVICES AGREEMENT

ADDENDUM to that certain Master Administration and Accounting Services Agreement dated as of March 15, 2004 (the "Agreement") by and among each registered management investment company identified on Appendix A thereto and made subject thereto pursuant to Section 9.5 thereof (each, a "Customer") and State Street Bank and Trust Company, including its subsidiaries and affiliates ("State Street").

State Street has developed and utilizes proprietary accounting and other systems in conjunction with the services which State Street provides to the Customer. In this regard, State Street maintains certain information in databases under its control and ownership which it makes available to its customers (the "Remote Access Services").

The Services

State Street agrees to provide the Customer, and its designated investment advisors, consultants or other third parties authorized by State Street ("Authorized Designees") with access to In-Sight(SM) as described in Exhibit A or such other systems as may be offered from time to time (the "System") on a remote basis.

Security Procedures

The Customer agrees to comply, and to cause its Authorized Designees to comply, with remote access operating standards and procedures and with user identification or other password control requirements and other security procedures as may be issued from time to time by State Street for use of the System and access to the Remote Access Services. The Customer agrees to advise State Street immediately in the event that it learns or has reason to believe that any person to whom it has given access to the System or the Remote Access Services has violated or intends to violate the terms of this Addendum and the Customer will cooperate with State Street in seeking injunctive or other equitable relief. The Customer agrees to discontinue use of the System and Remote Access Services, if requested, for any security reasons cited by State Street.

Fees

Fees and charges for the use of the System and the Remote Access Services and related payment terms shall be as set forth in the fee schedule in effect from time to time between the parties. The Customer shall be responsible for any tariffs, duties or taxes imposed or levied by any government or governmental agency by reason of the transactions contemplated by this Addendum, including, without limitation, federal, state and local taxes, use, value added and personal property taxes (other than income, franchise or similar taxes which may be imposed or assessed against State Street). Any claimed exemption from such tariffs, duties or taxes shall be supported by proper documentary evidence delivered to State Street.

Proprietary Information/Injunctive Relief

The System and Remote Access Services described herein and the databases, computer programs, screen formats, report formats, interactive design techniques, formulae, processes, systems, software, know-how, algorithms, programs, training aids, printed materials, methods, books, records, files, documentation and other information made available to the Customer by State Street as part of the Remote Access Services and through the use of the System and all copyrights, patents, trade secrets and


other proprietary rights of State Street related thereto are the exclusive, valuable and confidential property of State Street and its relevant licensors (the "Proprietary Information"). The Customer agrees on behalf of itself and its Authorized Designees to keep the Proprietary Information confidential and to limit access to its employees and Authorized Designees (under a similar duty of confidentiality) who require access to the System for the purposes intended. The foregoing shall not apply to Proprietary Information in the public domain or required by law to be made public.

The Customer agrees to use the Remote Access Services only in connection with the proper purposes of this Addendum. The Customer will not, and will cause its employees and Authorized Designees not to, (i) permit any third party to use the System or the Remote Access Services, (ii) sell, rent, license or otherwise use the System or the Remote Access Services in the operation of a service bureau or for any purpose other than as expressly authorized under this Addendum, (iii) use the System or the Remote Access Services for any fund, trust or other investment vehicle without the prior written consent of State Street, or (iv) allow or cause any information transmitted from State Street's databases, including data from third party sources, available through use of the System or the Remote Access Services, to be published, redistributed or retransmitted for other than use for or on behalf of the Customer, as State Street's customer.

The Customer agrees that neither it nor its Authorized Designees will modify the System in any way; enhance or otherwise create derivative works based upon the System, nor will your or your Authorized Designees reverse engineer, decompile or otherwise attempt to secure the source code for all or any part of the System.

The Customer acknowledges that the disclosure of any Proprietary Information, or of any information which at law or equity ought to remain confidential, will immediately give rise to continuing irreparable injury to State Street inadequately compensable in damages at law and that State Street shall be entitled to obtain immediate injunctive relief against the breach or threatened breach of any of the foregoing undertakings, in addition to any other legal remedies which may be available.

Limited Warranties

State Street represents and warrants that it is the owner of and has the right to grant access to the System and to provide the Remote Access Services contemplated herein. Because of the nature of computer information technology including, but not limited to, the use of the Internet, and the necessity of relying upon third party sources, and data and pricing information obtained from third parties, the System and Remote Access Services are provided "AS IS", and the Customer and its Authorized Designees shall be solely responsible for the investment decisions, results obtained, regulatory reports and statements produced using the Remote Access Services. State Street and its relevant licensors will not be liable to the Customer or its Authorized Designees for any direct or indirect, special, incidental, punitive or consequential damages arising out of or in any way connected with the System or the Remote Access Services, nor shall either party be responsible for delays or nonperformance under this Addendum arising out of any cause or event beyond such party's control.

State Street will take reasonable steps to ensure that its products (and those of its third-party suppliers) reflect the available state of the art technology to offer products that are Year 2000 compliant, including, but not limited to, century recognition of dates, calculations that correctly compute same century and multi century formulas and date values, and interface values that reflect the date issues arising between now and December 31, 2099, and if any changes are required, State Street will make the changes to its products at no cost to you and in a commercially reasonable time frame and will require third-party suppliers to do likewise. The Customer will do likewise for its systems.

ii

EXCEPT AS EXPRESSLY SET FORTH IN THIS ADDENDUM, STATE STREET, FOR ITSELF AND ITS RELEVANT LICENSORS, EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING THE SYSTEM AND THE SERVICES TO BE RENDERED HEREUNDER, WHETHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Infringement

State Street will defend or, at our option, settle any claim or action brought against the Customer to the extent that it is based upon an assertion that access to the System or use of the Remote Access Services by the Customer under this Addendum constitutes direct infringement of any patent or copyright or misappropriation of a trade secret, provided that the Customer notifies State Street promptly in writing of any such claim or proceeding and cooperates with State Street in the defense of such claim or proceeding. Should the System or the Remote Access Services or any part thereof become, or in State Street's opinion be likely to become, the subject of a claim of infringement or the like under any applicable patent or copyright or trade secret laws, State Street shall have the right, at State Street's sole option, to (i) procure for the Customer the right to continue using the System or the Remote Access Services,
(ii) replace or modify the System or the Remote Access Services so that the System or the Remote Access Services becomes noninfringing, or (iii) terminate this Addendum without further obligation.

Termination

Either party to the Agreement may terminate this Addendum (i) for any reason by giving the other party at least one-hundred and eighty (180) days prior written notice in the case of notice of termination by State Street to the Customer or thirty (30) days notice in the case of notice from the Customer to State Street of termination, or (ii) immediately for failure of the other party to comply with any material term and condition of the Addendum by giving the other party written notice of termination. This Addendum shall in any event terminate within ninety (90) days after the termination of the Agreement. In the event of termination, the Customer will return to State Street all copies of documentation and other confidential information in its possession or in the possession of its Authorized Designees. The foregoing provisions with respect to confidentiality and infringement will survive termination for a period of three
(3) years.

Miscellaneous

This Addendum and the exhibit hereto constitute the entire understanding of the parties to the Agreement with respect to access to the System and the Remote Access Services. This Addendum cannot be modified or altered except in a writing duly executed by each of State Street and the Customer and shall be governed by and construed in accordance with the laws of The Commonwealth of Massachusetts.

By its execution of the Agreement, the Customer (a) confirms to State Street that it informs all Authorized Designees of the terms of this Addendum; (b) accepts responsibility for its and its Authorized Designees' compliance with the terms of this Addendum; and (c) indemnifies and holds State Street harmless from and against any and all costs, expenses, losses, damages, charges, counsel fees, payments and liabilities arising from any failure of the Customer or any of its Authorized Designees to abide by the terms of this Addendum.

iii

EXHIBIT A
TO
REMOTE ACCESS SERVICES ADDENDUM

IN-SIGHT(SM)
System Product Description

In-Sight(SM) provides bilateral information delivery, interoperability, and on-line access to State Street. In-Sight(SM) allows users a single point of entry into State Street's diverse systems and applications. Reports and data from systems such as Investment Policy Monitor(SM), Multicurrency Horizon(SM), Securities Lending, Performance & Analytics and Electronic Trade Delivery can be accessed through In-Sight(SM). This Internet-enabled application is designed to run from a Web browser and perform across low-speed data lines or corporate high-speed backbones. In-Sight(SM) also offers users a flexible toolset, including an ad-hoc query function, a custom graphics package, a report designer, and a scheduling capability. Data and reports offered through In-Sight(SM) will continue to increase in direct proportion with the customer roll out, as it is viewed as the information delivery system will grow with State Street's customers.

iv

June 15, 2007

State Street Bank and Trust Company
225 Franklin Street
Boston, MA 02110

Attention: Scott E. Johnson, Vice President Theresa B. Dewar, Vice President

Re: Calamos Global Dynamic Income Fund (the "FUND")

Ladies and Gentlemen:

Please be advised that the undersigned Fund has been incorporated and registered as a management investment company under the Investment Company Act of 1940, as amended.

In accordance with Section 8.5, the Additional Funds provision, of the Master Services Agreement dated as of March 15, 2004, by and among each registered management investment company party thereto and State Street Bank and Trust Company (the "Agreement"), the undersigned Fund hereby requests that you act as Agent for the Fund under the terms of the Agreement. In connection with such request, the undersigned Fund hereby confirms to you, as of the date hereof, the representations and warranties set forth in Section 4.2 of the Agreement.

Kindly indicate your acceptance of the foregoing by executing two copies of this letter agreement, returning one to the Fund and retaining one for your records.

Sincerely,

CALAMOS GLOBAL DYNAMIC INCOME FUND

By: /s/ James S. Hamman, Jr.
    ------------------------------------
Name: James S. Hamman, Jr.
Title: Secretary
       Duly Authorized

AGREED AND ACCEPTED:

STATE STREET BANK AND TRUST COMPANY

By: /s/ Joseph L. Hooley
    ---------------------------------
Name: Joseph L. Hooley
Title: Executive Vice President
Effective Date:
                ---------------------


June 15, 2007

State Street Bank and Trust Company
One Lincoln Street
Boston, Massachusetts 02111

Attention: Scott E. Johnson, Vice President, AFB4 Thresa B. Dewar, Vice President, LCC4

Ladies and Gentlemen:

Reference is made to that certain Master Services Agreement by and among the Agent and each Fund dated as of March 15, 2004 (as amended, restated, modified or supplemented from time to time, the "AGREEMENT"). Capitalized terms used herein and not otherwise defined shall have the meanings given to such terms in the Agreement.

Reference is further made to those certain letter agreements by and among the Agent and each Fund party thereto (by virtue of its status as a party to the Agreement) dated as of March 15, 2004 (the "FIRST SIDE LETTER"), October 31,
2004 (the "SECOND SIDE LETTER") and March 31, 2006 (the "THIRD SIDE LETTER") (each of the First Side Letter, Second Side Letter and Third Side Letter as amended, restated, modified or supplemented from time to time, collectively, (the "PRIOR SIDE LETTERS").

Reference is finally made to Calamos Global Dynamic Income Fund (the "ADDITIONAL FUND," which shall be included in the term "FUNDS" as used herein).

For good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, each Fund hereby requests the Agent's consent to the terms and provisions of this letter agreement (the "FOURTH SIDE LETTER").

1. Application to All Funds. For the avoidance of doubt, each Fund does hereby acknowledge and confirm to the Agent that the Prior Side Letters do, and this Fourth Side Letter shall, each apply for their respective periods of coverage on a cumulative and aggregate basis to all of the Funds.

2. Cap on Potential Liability of Agent. In the event that the Additional Fund has retained the Agent to perform services under the Agreement on or before the date hereof (via their due execution of additional fund letter(s) in the manner set forth in Section 8.5 of the Agreement), then commencing on June 15, 2007, the Agent's cumulative liability with respect to those services provided by the Agent to the Funds pursuant to Section 1.2 and Section 1.3 of the Agreement, for each calendar year with respect to the Funds, regardless of the form of action or legal theory, shall be limited to actual or direct damage up to Three Million Five Hundred Thousand Dollars ($3,500,000.00). It being specifically understood by each Fund that in the event that all of the Additional Fund has not retained the Agent as set forth above, the Agent's potential liability shall remain as capped by the Third Side Letter.


State Street Bank and Trust Company
June 15, 2007

Page 2

3. Continuing Coverage of Prior Side Letters. In any event, the terms and provisions of the Prior Side Letters, including the cumulative cap on Agent's liability imposed thereby shall continue to govern all events or circumstances, if any, which have or may arise or occur and give rise to the Agent's liability:
(i) with respect to the First Side Letter, from the period from March 15, 2004 until October 31, 2004; (ii) with respect to the Second Side Letter, from the period from October 31, 2004 until April 3, 2006; and (iii.) with respect to the Third Side Letter, from the period from April 3, 2006 until [June 15, 2007], even if any such event or occurrence becomes known after the date hereof and/or continues to give rise to Agent liability beyond the date hereof.

4. Confidentiality. Each Fund agrees that it shall keep the provisions of the Prior Side Letters and this Fourth Side Letter confidential and shall not disclose the same to any other person or entity other than a regulator of any Fund (as such regulator may require), and except at the request, or with the prior written consent, of the Agent.

5. Captions. The captions herein have been inserted solely for convenience or reference and in no way define, limit or describe the scope or substance of any provision of the Prior Side Letters or this Fourth Side Letter.

If the foregoing is acceptable to you, kindly indicate your consent by executing the enclosed duplicate original copy of this Fourth Side Letter. This instrument is executed under seal as of the date and year first above-written and shall be governed by, and construed in accordance with, the laws of The Commonwealth of Massachusetts.

Sincerely,

EACH REGISTERED MANAGEMENT INVESTMENT
COMPANY PARTY TO THE AGREEMENT

By: /s/ Nimish Bhatt
    ------------------------------------
    Nimish Bhatt, Treasurer,
    Duly Authorized

ACCEPTED AND AGREED:

STATE STREET BANK AND TRUST COMPANY

By:
Name:
Title:

Exhibit l.1

June 22, 2007

Calamos Global Dynamic Income Fund
2020 Calamos Court
Naperville, IL 60563

Re: Calamos Global Dynamic Income Fund

Ladies and Gentlemen:

We are acting as special counsel to Calamos Global Dynamic Income Fund, a Delaware statutory trust (the "Fund"), in connection with the Fund's filing of a registration statement on Form N-2 under the Securities Act of 1933 ("1933 Act") (File No. 333-142056) and the Investment Company Act of 1940 (File No. 811-22047) (the "Registration Statement") with the Securities and Exchange Commission (the "SEC") covering the registration and proposed issuance of common shares of beneficial interest (the "Shares") of the Calamos Global Diversified Income and Opportunities Fund Series (the "Series").

In rendering this opinion, we have examined:

(a) the form of Underwriting Agreement (the "Underwriting Agreement"), substantially in the form to be filed as an exhibit to the Registration Statement, proposed to be entered into among the Fund, Calamos Advisors LLC and Wachovia Capital Markets, LLC as representative of the several underwriters named therein;

(b) the Registration Statement;

(c) the Certificate of Trust, as amended, and the Agreement and Declaration of Trust, as amended, of the Fund;

(d) the By-Laws of the Fund;

(e) resolutions of the Board of Trustees in connection with the proposed issuance of the Shares;

(f) a Certificate of Good Standing as of a recent date from the Secretary of State of the State of Delaware; and


Calamos Global Dynamic Income Fund
June 22, 2007

Page 2

(g) such other documents as we, in our professional judgment, have deemed necessary or appropriate as a basis for the opinions set forth below (items b-e above are referred to herein as the "Governing Documents").

In examining the documents referred to above, we have assumed the genuineness of all signatures, the legal capacity of all natural persons, the authenticity of documents purporting to be originals and the conformity to originals of all documents submitted to us as copies. As to questions of fact material to our opinion, we have relied (without investigation or independent confirmation) upon the representations contained in certificates and other communications from public officials and officers of the Fund. We have assumed that the Registration Statement and the Underwriting Agreement will be duly completed, executed and delivered. With respect to the opinions expressed below, we note that, pursuant to Section 2 of Article VIII of the Agreement and Declaration of Trust, the Trustees have the power to cause each shareholder, or each shareholder of a particular series, to pay directly, in advance or arrears, for charges of the Fund's custodian or transfer, shareholder servicing or similar agent, an amount fixed from time to time by the Trustees, by setting off such charges due from such shareholder from declared but unpaid dividends owed such shareholder and/or by reducing the number of shares in the account of such shareholder by that number of full and/or fractional shares which represents the outstanding amount of such charges due from such shareholder.

We express no opinion as to the laws of any jurisdiction other than Title 12, Chapter 38 (Treatment of Delaware Statutory Trusts) of the Code of the State of Delaware, and we are relying, with your consent, solely upon the opinion of Morris, Nichols, Arsht & Tunnell, special Delaware counsel to the Fund, dated June 22, 2007.

Based on the foregoing, and subject to the qualifications, exceptions and limitations set forth herein and in the opinion of Morris, Nichols, Arsht & Tunnell referred to above, we are of the opinion that:

(1) The Fund is a duly formed and validly existing statutory trust in good standing under the laws of the State of Delaware; and

(2) The Shares, when issued to shareholders in accordance with the terms, conditions, requirements and procedures set forth in the Governing Documents and delivered by the Fund pursuant to the Underwriting Agreement against payment of the consideration set forth in the Underwriting Agreement, will constitute legally issued, fully paid and non-assessable Shares in the Series.

We hereby consent to the filing of this opinion as Exhibit l.1 to the Registration Statement and to the reference to us under the caption "Legal Opinions" in the prospectus contained in the Registration Statement. In giving our consent, we do not thereby admit that we


Calamos Global Dynamic Income Fund
June 22, 2007

Page 3

are in the category of persons whose consent is required under Section 7 of the 1933 Act or the rules and regulations of the SEC thereunder. The opinions expressed herein are matters of professional judgment and are not a guarantee of result.

Very truly yours,

Vedder, Price, Kaufman & Kammholz, P.C.


Exhibit l.2

[Letterhead of Morris, Nichols, Arsht & Tunnell LLP]

June 22, 2007

Calamos Global Dynamic Income Fund
2020 Calamos Court
Naperville, Illinois 60563

Vedder, Price, Kaufman & Kammholz, P.C.
222 North LaSalle Street
Chicago, Illinois 60601

Re: Calamos Global Dynamic Income Fund

Ladies and Gentlemen:

We have acted as special Delaware counsel to Calamos Global Dynamic Income Fund (formerly known as Calamos Global Diversified Income and Opportunities Fund), a Delaware statutory trust (the "Trust"), in connection with certain matters relating to the formation of the Trust and the issuance of common shares of beneficial interest in the Calamos Global Diversified Income and Opportunities Fund (the "Series") of the Trust. Such common shares are referred to herein as the "Shares". Capitalized terms used herein and not otherwise herein defined are used as defined in the Agreement and Declaration of Trust of the Trust dated as of March 30, 2007 (the "Governing Instrument").

In rendering this opinion, we have examined and relied on copies of the following documents, each in the form provided to us: the Certificate of Trust of the Trust as filed in the Office of the Secretary of State of the State of Delaware (the "State Office") on April 10, 2007 (the "Certificate of Trust"); the Certificate of Amendment to Certificate of Trust of the Trust as filed in the State Office on May 23, 2007; the Governing Instrument; Minutes of the Organizational Meeting of the Board of Trustees of the Trust held on March 30, 2007 (the "March 30th Resolutions"); Minutes of the Second Organizational Meeting of the Board of Trustees of the Trust held on May 16, 2007 (the "May 16th Resolutions" and together with the March 30th Resolutions, the "Resolutions"); the By-laws of the Trust (the "By-laws"); the Trust's


Calamos Convertible and High Income Fund Vedder, Price, Kaufman & Kammholz, P.C.
June 22, 2007

Page 2

Registration Statement No. 333-142056 under the Securities Act of 1933 and No. 811-22047 under the Investment Company Act of 1940 on Form N-2 as filed with the Securities and Exchange Commission (the "Commission") on April 11, 2007 (the "Registration Statement") as amended by the Trust's Pre-Effective Amendment No. 1 to the Registration Statement as filed with the Commission on May 25, 2007 (as so amended, the "Amended Registration Statement", and together with the Governing Instrument, the By-laws and the Resolutions, the "Governing Documents"); and a certification of good standing of the Trust obtained as of a recent date from the State Office. In such examinations, we have assumed the genuineness of all signatures, the conformity to original documents of all documents submitted to us as copies or drafts of documents to be executed, and the legal capacity of natural persons to complete the execution of documents. We have further assumed for the purpose of this opinion: (i) the due authorization, adoption, execution and delivery by, or on behalf of, each of the parties thereto of the above-referenced instruments, certificates and other documents (including the due adoption by the Trustees of the Resolutions), and of all documents contemplated by either the Governing Documents or any applicable resolutions of the Trustees to be executed by investors desiring to become Shareholders; (ii) the payment of consideration for Shares, and the application of such consideration, as provided in the Governing Documents, and compliance with the other terms, conditions and restrictions set forth in the Governing Documents and all applicable resolutions of the Trustees of the Trust in connection with the issuance of Shares (including, without limitation, the taking of all appropriate action by the Trustees to designate Series and Classes of Shares and the rights and preferences attributable thereto as contemplated by the Governing Instrument); (iii) that appropriate notation of the names and addresses of, the number of Shares held by, and the consideration paid by, Shareholders will be maintained in the appropriate registers and other books and records of the Trust in connection with the issuance, redemption or transfer of Shares; (iv) that no event has occurred subsequent to the filing of the Certificate of Trust that would cause a termination or reorganization of the Trust or a Series or Class of the Trust under Sections 4 or 6 of Article IX of the Governing Instrument; (v) that the Trust became or will become, in each case prior to or within 180 days following the first issuance of beneficial interests therein, a registered investment company under the Investment Company Act of 1940; (vi) that the activities of the Trust have been and will be conducted in accordance with the terms of the Governing Instrument and the Delaware Statutory Trust Act, 12 Del. C. Sections 3801 et seq. (the "Delaware Act"); and (vii) that each of the documents examined by us is in full force and effect and has not been modified, supplemented or otherwise amended, except as herein referenced. No opinion is expressed herein with respect to the requirements of, or compliance with, federal or state securities or blue sky laws. Further, we express no opinion with respect to, and we assume no responsibility for, any offering documentation relating to the Trust or the Shares. As to any facts material to our opinion, other than those assumed, we have relied without independent investigation on the above-referenced documents and on the accuracy, as of the date hereof, of the matters therein contained.

Based on and subject to the foregoing, and limited in all respects to matters of Delaware law, it is our opinion that:


Calamos Convertible and High Income Fund Vedder, Price, Kaufman & Kammholz, P.C.
June 22, 2007

Page 3

1. The Trust is a duly formed and validly existing statutory trust in good standing under the laws of the State of Delaware.

2. The Shares, when issued to Shareholders in accordance with the terms, conditions, requirements and procedures set forth in the Governing Documents, will constitute legally issued, fully paid and non-assessable Shares of beneficial interest in the Series.

With respect to the opinion expressed in paragraph 2 above, we note that, pursuant to Section 2 of Article VIII of the Governing Instrument, the Trustees have the power to cause each Shareholder, or each Shareholder of any particular Series, to pay directly, in advance or arrears, for charges of the Trust's custodian or transfer, shareholder servicing or similar agent, an amount fixed from time to time by the Trustees, by setting off such charges due from such Shareholder from declared but unpaid dividends owed such Shareholder and/or by reducing the number of Shares in the account of such Shareholder by that number of full and/or fractional Shares which represents the outstanding amount of such charges due from such Shareholder.

We hereby consent to the filing of a copy of this opinion with the Securities and Exchange Commission as part of a pre-effective amendment to the Registration Statement. In giving this consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act of 1933, as amended, or the rules and regulations of the Securities and Exchange Commission thereunder. Except as provided in this paragraph, the opinions set forth above are expressed solely for the benefit of the addressees hereof and may not be relied upon by any other person or entity for any purpose without our prior written consent. This opinion speaks only as of the date hereof and is based on our understandings and assumptions as to present facts and our review of the above-referenced documents and certificates and the application of Delaware law as the same exists on the date hereof, and we undertake no obligation to update or supplement this opinion after the date hereof for the benefit of any person or entity with respect to any facts or circumstances that may hereafter come to our attention or any changes in facts or law that may hereafter occur or take effect.

Sincerely,

MORRIS, NICHOLS, ARSHT & TUNNELL LLP

/s/ Louis G. Hering
----------------------------------------
Louis G. Hering


Exhibit n

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Pre-Effective Amendment No. 2 to Registration Statement No. 333-142056 of Calamos Global Dynamic Income Fund on Form N-2 of our report dated June 21, 2007, relating to the financial statements of Calamos Global Dynamic Income Fund appearing in the Statement of Additional Information, which is part of such Registration Statement. We also consent to the reference to us under the caption "Experts" in the Statement of Additional Information, which is also part of such Registration Statement.

DELOITTE & TOUCHE LLP

Chicago, Illinois
June 22, 2007


Exhibit p

CALAMOS GLOBAL DYNAMIC INCOME FUND

SUBSCRIPTION AGREEMENT

This Agreement made June 13, 2007 by and between Calamos Global Dynamic Income Fund, a Delaware statutory trust (the "Fund"), and Calamos Advisors LLC, a Delaware limited liability company (the "Subscriber");

WITNESSETH:

WHEREAS, the Fund has been formed for the purposes of carrying on business as a closed-end diversified management investment company;

WHEREAS, the Subscriber has been selected by the Fund's Board of Trustees to serve as investment adviser to the Fund; and

WHEREAS, the Subscriber wishes to subscribe for and purchase, and the Fund wishes to sell to the Subscriber, 6,992 common shares for a purchase price of $14.302 per share.

NOW THEREFORE, IT IS AGREED:

1. The Subscriber subscribes for and agrees to purchase from the Fund 6,992 common shares for a purchase price of $14.302 per share. Subscriber agrees to make payment for these shares at such time as demand for payment may be made by an officer of the Fund.

2. The Fund agrees to issue and sell said shares to Subscriber promptly upon its receipt of the purchase price.

3. To induce the Fund to accept its subscription and issue the shares subscribed for, the Subscriber represents that it is informed as follows:

(a) That the shares being subscribed for have not been and will not be registered under the Securities Act of 1933 ("Securities Act");

(b) That the shares will be sold by the Fund in reliance on an exemption from the registration requirements of the Securities Act;

(c) That the Fund's reliance upon an exemption from the registration requirements of the Securities Act is predicated in part on the representation and agreements contained in this Subscription Agreement;

(d) That when issued, the shares will be "restricted securities" as defined in paragraph (a)(3) of Rule 144 of the General Rules and Regulations under the Securities Act ("Rule 144") and cannot be sold or transferred by Subscriber unless they are subsequently registered under the Securities Act or unless an exemption from such registration is available; and

1

(e) That there do not appear to be any exemptions from the registration provisions of the Securities Act available to the Subscriber for resale for the shares. In the future, certain exemptions may possibly become available, including an exemption for limited sales including an exemption for limited sales in accordance with the conditions of Rule 144.

The Subscriber understands that a primary purpose of the information acknowledged in subparagraphs (a) through (e) above is to put it on notice as to restrictions on the transferability of the shares.

4. To further induce the Fund to accept its subscription and issue the shares subscribed for, the Subscriber:

(a) Represents and warrants that the shares subscribed for are being and will be acquired for investment for its own account and not on behalf of any other person or persons and not with a view to, or for sale in connection with, any public distribution thereof;

(b) Agrees that any certificates representing the shares subscribed for may bear a legend substantially in the following form:

The shares represented by this certificate have been acquired for investment and have not been registered under the Securities Act of 1933 or any other federal or state securities law. These shares may not be offered for sale, sold or otherwise transferred unless registered under said securities laws or unless some exemption from registration is available.

(c) Consents, as the sole holder of the Trust's common shares of beneficial interest and pursuant to Section 23(b)(2) of the Investment Company Act of 1940, to the issuance by the Trust of common shares of beneficial interest at a price per share as set forth in the Purchase Agreement relating to the public offering of Shares; and

5. This Subscription Agreement and all of its provisions shall be binding upon the legal representatives, heirs, successors and assigns of the parties hereto. This Subscription Agreement may be signed in one or more counterparts, each of which shall be deemed to be an original.

[SIGNATURE PAGE FOLLOWS]

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IN WITNESS WHEREOF, this Subscription Agreement has been executed by the parties hereto as of the day and date first above written.

CALAMOS GLOBAL DYNAMIC INCOME FUND

By: /s/ James S. Hamman, Jr.
   -------------------------------------
   James S. Hamman, Jr., Secretary

CALAMOS ADVISORS LLC

By: /s/ Patrick H. Dudasik
   -------------------------------------
   Patrick H. Dudasik, Executive Vice
   President, Chief Financial Officer
   and Treasurer

3

Exhibit r.1

(CALAMOS INVESTMENTS LOGO)

CALAMOS ASSET MANAGEMENT, INC.

CALAMOS ADVISORS LLC

CALAMOS FINANCIAL SERVICES LLC

CALAMOS PARTNERS LLC

CALAMOS WEALTH MANAGEMENT LLC

CALAMOS INVESTMENT TRUST

CALAMOS ADVISORS TRUST

CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND

CALAMOS CONVERTIBLE AND HIGH INCOME FUND

CALAMOS STRATEGIC TOTAL RETURN FUND

CALAMOS GLOBAL TOTAL RETURN FUND

CALAMOS GLOBAL DYNAMIC INCOME FUND

CODE OF ETHICS

AND

INSIDER TRADING POLICY

MAY 16, 2007


TABLE OF CONTENTS

                                                                            Page
                                                                            ----

SUMMARY ...................................................................    1

Frequently Asked Questions About the Code .................................    1
Ask First .................................................................    2

UNDERSTANDING AND APPLYING THE CODE .......................................    3

Purpose ...................................................................    3
Scope .....................................................................    3
Understanding the Terms ...................................................    3
  "Beneficial Interest" ...................................................    3
  "Covered Security" ......................................................    4
  "Material" Information ..................................................    4
  "Material Nonpublic Information" ........................................    5
  "Nonpublic" Information .................................................    5
  "Related Person" ........................................................    6
  "Tipping" ...............................................................    6
Consequences Of Failure To Comply With Code ...............................    6
  External Penalties ......................................................    6
  Action By Calamos .......................................................    6

RESTRICTIONS ON THE USE OF CONFIDENTIAL INFORMATION
BY CALAMOS PERSONNEL ......................................................    7

General Prohibitions ......................................................    7
Material Nonpublic Information About Other Companies ......................    7
Material Nonpublic Information About Calamos ..............................    7
Confidentiality of Nonpublic Information About Calamos ....................    8
Public Disclosure Of Information About Calamos And Its Closed-End Funds ...    8

THE PURCHASE AND SALE OF SECURITIES BY CALAMOS PERSONNEL ..................    9

  Trading Policies and Procedures for Non-CAM Securities ..................    9
    Reporting Rules .......................................................    9
      Initial Disclosure of Covered Accounts/Related Persons ..............    9
      Disclosure of Personal Holdings .....................................   10
      Reporting of Personal Securities Transactions .......................   10
      Confirmations and Statements for Covered Accounts ...................   12
      Certification of Compliance .........................................   12
      Reports to Mutual Fund Board ........................................   12
    Pre-Clearance of Covered Securities Transactions ......................   13
      Open-End Mutual Funds Advised or Subadvised by Calamos ..............   13
      Calamos Closed-End Funds ............................................   14
      CAM Securities ......................................................   14
    Additional Restrictions ...............................................   14
      No Transactions with Clients ........................................   14

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      No Conflicting Transactions .........................................   14
      Initial Public Offerings ............................................   15
      Private Placements ..................................................   15
      Short-term Trading ..................................................   15
    Exceptions and Exemptions .............................................   15
      Discretionary Accounts of Outside Trustees ..........................   15
      De Minimis Exception ................................................   15
      Hardships ...........................................................   15

  Policies and Procedures Regarding Trading In Securities Of CAM ..........   16

    Blackout Periods and Trading Windows ..................................   16
      Quarterly Blackout Periods ..........................................   16
      Retirement Plan Blackout Periods ....................................   17
      Event Specific Blackout Periods .....................................   17
      Trading Windows .....................................................   17
    Certain Exceptions ....................................................   18
    Prohibitions ..........................................................   18
    Additional Requirements for Directors and Executive Officers ..........   19
      Section 16 Reporting and Prohibitions ...............................   20
      Rule 144 ............................................................   21

OTHER REGULATORY REQUIREMENTS .............................................   22

  Outside Employment ......................................................   22
  Service As A Director Or Officer ........................................   22
  Gifts ...................................................................   22
    Accepting Gifts and Entertainment .....................................   22
    Presenting Gifts and Entertainment ....................................   23
  Identifying Actual or Potential Conflicts of Interest ...................   23

YEARLY CERTIFICATION ......................................................   24

RECORD RETENTION ..........................................................   24

ATTACHMENT A                                                                  25

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SUMMARY

This summary of the Code of Ethics and Insider Trading Policy (the "Code") is provided for your convenience. It is not a substitute for reading and understanding the Code, and all personnel are responsible for complying with the Code as a condition of continuing employment with Calamos Asset Management, Inc. ("CAM"), its subsidiaries and affiliates (collectively, "Calamos").

One of the most important assets that Calamos has is its reputation. Clients would not retain Calamos or invest in its products if they did not trust us, and the Code is designed to establish certain standards and procedures that will ensure that their trust is well-placed. Most of the provisions of the Code mirror requirements of federal securities laws, or those of agencies that regulate our businesses, such as the Securities and Exchange Commission and the NASD. These provisions require Calamos to place the interests of its clients first at all times, and not to take inappropriate advantage of the trust which our clients and others place in us. The Code also is designed to assure that Calamos' investment decisions remain independent and are not influenced by personal considerations.

The Code addresses five main areas:

- Restrictions on the use of Material Nonpublic Information;

- Confidentiality of information obtained in the course of employment;

- Public disclosure of information about CAM;

- The buying and selling of securities by Calamos personnel (including the buying and selling of securities of CAM itself); and

- Specific limitations on activity of Calamos personnel imposed by various regulations.

The first four of these areas focus on the legal and regulatory obligations of Calamos and its personnel with respect to inside information and trading on or disclosing that information. The final area deals with regulatory limitations on conduct by Calamos personnel that could potentially harm Calamos or its customers in other ways.

FREQUENTLY ASKED QUESTIONS ABOUT THE CODE

- Provisions of the Code apply to all Calamos personnel, as well as to their "Related Persons," which includes spouses.

- You may never buy or sell a security if you are aware of Material Nonpublic Information that is relevant to the transaction. This prohibition applies to transactions that you may authorize or advise for any Calamos customer or personal securities account that you own, in whole or part, or have control or substantial influence over.

- You may not buy or sell any security if that transaction could cause a conflict of interest or an appearance of a conflict of interest in relation to your position with Calamos.

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- You must pre-clear personal transactions involving publicly traded Covered Securities of individual companies not meeting the de minimis exception. In calculating the value of options for purposes of the de minimis exception, the calculation is based on the value of the shares underlying the option contract, and not the value of the option contract.

- The de minimis exception does not exist for purchases and sales of CAM securities. All transactions in CAM securities must be pre-cleared.

- Any investment in an open-end mutual fund advised or subadvised by Calamos must be held for at least 30 days. Exceptions must receive prior approval and will be limited to hardship or other unusual circumstances.

- You must pre-clear the purchase or sale of exchange traded funds as these securities are deemed to be Covered Securities under the provisions of the Code.

- Transactions and holdings reports are maintained in confidence, except to the extent necessary to implement and enforce the provisions of the Code or to comply with requests for information from government agencies.

ASK FIRST

If you have questions regarding the Code or any particular securities transaction, call a member of the Legal and Compliance Department before acting.

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UNDERSTANDING AND APPLYING THE CODE

PURPOSE

The investment management, mutual funds and financial services industries are highly regulated. All are subject to a wide variety of laws and regulations designed to protect investors. Similarly, publicly-traded companies are required to meet strict standards to protect the integrity of the markets in which their securities trade.

Calamos Asset Management, Inc. ("CAM") is a publicly-traded company. Its subsidiaries and affiliated companies are primarily involved in the investment management, mutual funds and financial services industries. Predictably, CAM is subject to a wide variety of regulations. These regulations also apply to the directors, officers and employees of Calamos and its subsidiaries (unless otherwise indicated in this Code of Ethics and Insider Trading Policy (the "Code"), the term "Calamos" will mean CAM and its subsidiaries). The purpose of the Code is to explain certain of the responsibilities of Calamos and its personnel, and to establish standards to which all Calamos personnel are held. The Code supplements the CAM Code of Business Conduct and Ethics and the Calamos Employee Handbook.

SCOPE

The Code applies to all directors, officers and employees of Calamos and other businesses effectively controlled by Calamos, as well as to any outsiders, including agents and consultants, that have access through Calamos to Material Nonpublic Information.

The Code applies to all transactions in securities including but not limited to common stock, options and other derivative instruments (e.g. futures contracts) for common stock, debt securities, and any other securities that CAM or any other company may issue.

Questions regarding the Code or its application to specific transactions should be directed to the Chief Compliance Officer of Calamos or General Counsel of Calamos.

UNDERSTANDING THE TERMS

Various securities laws make it illegal to buy or sell a company's securities when in possession of Material Nonpublic Information (as defined below) about the issuer or its securities. This conduct is known as "insider trading." The following terms will have the meanings set forth herein for purposes of this Code.

"BENEFICIAL INTEREST"

Beneficial Interest shall be interpreted in the same manner as it would be under Rule 16a-1(2) of the Securities Exchange Act of 1934, as amended, in determining whether a person is a beneficial owner of a security for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, and rules and regulations thereunder. As a general matter, "Beneficial Interest" will be attributed to a covered person where the covered person (i) possesses the ability to purchase or sell Covered Securities (or ability to direct the disposition of the Covered Securities); (ii) possesses voting power (including the power to vote or to direct the voting) over such Covered Securities; or (iii) receives any benefits substantially equivalent to those of ownership. Note that, in addition to securities held in your account, you have a Beneficial Interest in securities owned by any Related Person.

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"COVERED SECURITY"

Covered Security means any stock, bond, future, investment contract, shares of closed-end funds, shares of open-end mutual funds for which Calamos is the advisor or subadvisor, exchange traded funds, or any other instrument that is considered a "security" of the Investment Company Act of 1940. The term "Covered Security" is very broad and includes items you might not ordinarily think of as "securities," such as: options on securities, on indexes, and on currencies; limited partnership interests; interests in a foreign unit trust or foreign mutual fund; municipal securities, interests in a private investment fund, hedge fund, or investment club; or any right to acquire any security such as a warrant or convertible. In addition, purchases and sale transactions in Covered Securities in any 401(k) plan, excluding percentage allocation changes or payroll deduction percentages, are considered transactions in Covered Securities. The term Covered Security does not include direct obligations of the U. S. government (U.S. treasury bills, notes and bonds), money market instruments (including bank certificates of deposit, bankers' acceptances, commercial paper and repurchase agreements), shares of open-end mutual funds not advised or subadvised by Calamos or units in 529 College Savings Plans.

"MATERIAL" INFORMATION

Information should be regarded as material if it could be important to decisions to buy, sell or hold a company's securities. Any information that could reasonably be expected to affect the price of company securities should be considered material. Material information can be positive or negative, and can relate to historical facts, projections, or future events. Material information can pertain to a company as a whole, or to divisions or subsidiaries of a company.

During the course of their employment, Calamos personnel can learn material information about many companies, including CAM. Information dealing with the following subjects is likely to be found material in particular situations:

Financial Related Subjects:

- Financial results

- Changes in earnings forecasts

- Unusual significant gains, losses or charges

- Significant write-downs in assets

- Significant changes in revenues

- Significant liquidity issues

- Changes in dividends

- Stock splits

- Stock repurchases

- Changes in debt ratings

- Significant new equity or debt offerings

Corporate Developments:

- Proposals, plans or agreements, even if preliminary in nature, involving significant mergers, acquisitions, divestitures, recapitalizations, or strategic alliances

- Major changes in directors or executive officers

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Product Related Subjects:

- Important new product offerings

- Significant developments related to a company's product offerings

- Significant developments related to a company's distribution relationships

- Significant developments related to intellectual property

Other Subjects:

- Developments regarding significant litigation

- Developments regarding government agency actions

- Execution or termination of significant contracts

This list is only illustrative, and certainly is not all-encompassing. Many other types of information may be considered material. When in doubt about whether particular information about CAM or another company is material, exercise caution and consult with the Chief Compliance Officer or the General Counsel.

"MATERIAL NONPUBLIC INFORMATION"

Material Nonpublic Information is information that is not known to the general public, that, if known to the public, could reasonably be expected to affect the price of a company's securities, or be considered important in deciding whether to buy, sell or hold a security. It is often referred to as "inside information."

"NONPUBLIC" INFORMATION

Information about a company is considered nonpublic if it is not available to the general public. In order for information to be considered available to the general public, it must have been widely disseminated in a manner designed to reach investors. This is generally done by the company issuing a national press release or making a publicly-available filing with the Securities and Exchange Commission ("SEC"). The circulation of rumors, even if accurate and reported in the media, does not constitute effective public dissemination.

Even after public disclosure of material information regarding a company, an insider with knowledge of the information must wait a period of two full trading days after the publication for the information to be absorbed before that person can treat the information as public.

For purposes of the Code, a full trading day means from the opening of trading on NASDAQ to the closing of trading on NASDAQ on that day. Accordingly, if an announcement is made before the commencement of trading on a Tuesday, an employee in possession of such information may trade in Company securities starting on Thursday of that week (subject to any applicable blackout period and assuming the employee is not aware of other Material Nonpublic Information at that time), because two full trading days would have elapsed by then (all of Tuesday and Wednesday). If the announcement is made on Tuesday after trading has begun on NASDAQ, an employee in possession of the information may not trade in Company securities until Friday. If the announcement is made on Friday after trading begins, an employee may not trade in Company securities until Wednesday of the following week. NASDAQ holidays do not count as trading days and will impact this schedule.

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"RELATED PERSON"

Related Person includes your spouse or equivalent domestic partner, minor children, relative living in your home, and certain trusts under which you or a related party is a beneficiary or held under other arrangements, including a sharing of financial interest.

"TIPPING"

Tipping is the disclosure of Material Nonpublic Information to another person for the purpose of trading or other unauthorized purpose. Tipping can result in liability for both the tipper and tippee.

CONSEQUENCES OF FAILURE TO COMPLY WITH CODE

EXTERNAL PENALTIES

Legal penalties for trading on or tipping Material Nonpublic Information are severe. They include criminal fines, civil fines of several times the profits gained or losses avoided, imprisonment and private party damages. The penalties also may apply to anyone who directly or indirectly controlled the person who committed the violation, including the employer and its management and supervisory personnel. Significant penalties have been imposed even when the disclosing person did not profit from the trading.

ACTION BY CALAMOS

In addition to these possible outside sanctions, Calamos personnel who violate prohibitions on insider trading or tipping will face additional action from Calamos itself, up to and including termination of employment.

Compliance with the provisions of the Code is a condition of employment of Calamos. Taking into consideration all relevant circumstances, management of Calamos will determine what action is appropriate for any breach of the provisions of the Code. Possible actions include disgorgement of profits, letters of sanction, suspension of trading privileges, suspension or termination of employment, or removal from office.

The Board of Trustees of any investment company for which Calamos Advisors LLC is the investment adviser (each, a "Fund") will determine what action is appropriate for any breach of the provisions of the Code by an Outside Trustee or Unaffiliated Trustee, which may include removal from the Board. The Board of Directors of CAM will determine what action is appropriate for any breach of the provisions of the Code by an Outside Director, which may include removal from the Board.

Transactions and reports filed pursuant to the Code will be maintained in confidence, except to the extent necessary to implement and enforce the provisions of the Code or to comply with request for information from government agencies. Additional information may be required to clarify the nature of particular transactions.

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RESTRICTIONS ON THE USE OF CONFIDENTIAL INFORMATION BY CALAMOS PERSONNEL

GENERAL PROHIBITIONS

Material Nonpublic Information is an important type of confidential information, but it is only one type of confidential information. Our customers and suppliers entrust Calamos with important information relating to their personal and business matters. The nature of this relationship requires strict confidentiality and trust. In safeguarding the information received, Calamos earns the respect and further trust of our customers and suppliers. All employees will be required to sign a Confidentiality Agreement at the time they are hired and this agreement carries an obligation to maintain strict confidentiality, even after an employee's employment is terminated.

Any violation of confidentiality seriously injures Calamos' reputation and effectiveness. Therefore, personnel are not to discuss confidential Calamos business with anyone who does not work for Calamos, and should never discuss business transactions with anyone who does not have a direct association with the transaction. Even casual remarks can be misinterpreted and repeated; therefore, employees should develop the personal discipline necessary to maintain confidentiality. If an employee becomes aware of anyone breaking this trust, they should report the incident to a member of management immediately.

If someone outside Calamos or the employee's department asks questions regarding confidential matters, you are not required to answer. Instead, you should refer the request to the department supervisor or a member of senior management.

No one is permitted to remove or make copies of any Calamos records, reports or documents without prior approval from management.

MATERIAL NONPUBLIC INFORMATION ABOUT OTHER COMPANIES

Calamos personnel may become aware of confidential information concerning another company. This information may be Material Nonpublic Information and, as noted above, trading of securities, including futures or options of the company based on this information is a violation of federal securities law. An employee cannot trade on this information. Because of its seriousness, trading on or tipping of confidential information about other companies will result in immediate termination of employment. Trading in open-end mutual funds, like the Calamos Mutual Funds, is generally permitted because the pricing of shares in these Funds is done daily, and has greater transparency than the pricing of other securities. However, there may be times when such trading would be improper based upon other information.

MATERIAL NONPUBLIC INFORMATION ABOUT CALAMOS

If a director, officer, employee, agent or consultant of Calamos has Material Nonpublic Information relating to CAM or its securities, it is CAM's policy that neither that person nor any Related Person may buy, sell or recommend securities of CAM. The prohibition applies to market purchases and sales that are part of stock option exercises. It is the responsibility of each employee to make sure that transactions in any Covered Security by any Related Person complies with the provisions of the Code.

No director, officer, employee, agent or consultant of Calamos may disclose ("tip") Material Nonpublic Information about CAM to any other person, including Related Persons, not authorized by Calamos to have such information.

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In addition, no director, officer, employee, agent or consultant of Calamos may make recommendations or express opinions based on Material Nonpublic Information regarding trading in CAM securities.

CONFIDENTIALITY OF NONPUBLIC INFORMATION ABOUT CALAMOS

Nonpublic information relating to Calamos is the property of Calamos and the unauthorized disclosure of such information is prohibited. Various laws and regulations govern the methods and timing of announcements of information to the public. Unauthorized disclosures to select individuals or groups could result in substantial liability for you and Calamos.

PUBLIC DISCLOSURE OF INFORMATION ABOUT CALAMOS AND ITS CLOSED-END FUNDS

In the event any director, officer, employee, agent, or consultant of Calamos receives any inquiry from outside the company, such as from the media, a stock analyst or investors, for information that may be nonpublic information (particularly financial results or projections), the inquiry must be referred to the Calamos Investor Relations Department. Since Calamos' closed-end funds are also publicly traded, the same restrictions apply to disclosure of information about those products. This department is responsible for coordinating and overseeing the release of such information to the media, investing public, analysts and others in compliance with applicable laws and regulations, including Regulation FD.

In communicating with analysts and the general public, Calamos and CAM will observe the following practices:

- Communications to analysts or the general public regarding CAM should be made only by John P. Calamos, Sr., Nick P. Calamos, Pat Dudasik, or by the Calamos Investor Relations Department of CAM.

- CAM will not issue projections of, or comment on, future investment performance of itself or any of its products, including the mutual funds.

- All disclosure of material information made by CAM about itself and the closed-end funds managed by Calamos will be broadly disseminated to the public.

- Ordinary communications of material information by and about CAM generally will be through press release, through regular channels. CAM will not issue materials regarding itself "for broker-dealer use only" or with similar restrictions; instead, any such materials will be distributed as press releases. If conference telephone calls to discuss material information are scheduled by CAM with analysts, CAM will provide adequate notice of the calls, and permit investors to listen in by telephone or Internet web casting.

If any Calamos employee inadvertently discloses Material Nonpublic Information to analysts or other market professionals about CAM, or the closed-end funds managed by Calamos, CAM is obligated to provide that information to the general public no later than 24 hours after the statement is made, or the commencement of the next day's trading on NASDAQ. The Investor Relations and the Legal Department must be notified immediately of any such inadvertent disclosure that comes to the attention of any Calamos personnel.

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THE PURCHASE AND SALE OF SECURITIES BY CALAMOS PERSONNEL

Persons involved in the financial services industry are subject to restrictions on the way in which they can buy and sell securities for their own accounts. These restrictions are imposed by the SEC and other regulators on the assumption that industry employees have a greater opportunity for access to Material Nonpublic Information than do employees in other types of businesses. There are additional restrictions imposed on the trading of Calamos personnel in securities of CAM. Calamos has long had such restrictions on the personal securities trading activity of its personnel. Such limitations are designed to prevent violations of the securities laws, as well as to avoid even the appearance of impropriety in trading by Calamos personnel, and all personal trading must be done in a manner consistent with the provisions of this Code.

TRADING POLICIES AND PROCEDURES FOR NON-CAM SECURITIES

REPORTING RULES

As part of its obligations under the securities laws, Calamos is required to maintain information about the trading activity of its personnel.

INITIAL DISCLOSURE OF COVERED ACCOUNTS AND RELATED PERSONS

When a person begins employment with Calamos, he or she must disclose on an Initial Securities Holdings Form the following types of brokerage accounts, if any:

- Accounts in your name, in whole or part, including any joint account, family account and self-directed account, that hold covered securities;

- ACCOUNTS IN THE NAME OF YOUR SPOUSE OR EQUIVALENT DOMESTIC PARTNER AND MINOR CHILDREN LIVING IN YOUR HOUSEHOLD;

- Accounts of any other member of your household for which you exercise control or substantial influence;

- Accounts of any other relatives (of you or your spouse or domestic partner) for which you exercise control or substantial influence;

- Trust accounts and similar arrangements for which you act as trustee or otherwise exercise substantial influence;

- Trust accounts and similar arrangements which benefit you directly or indirectly (but excluding accounts for which you do not substantially influence investment policy or other decisions, directly or indirectly);

- Corporate accounts controlled, directly or indirectly, by you; and

- Accounts in the name of unrelated third parties, such as a civic or religious organization, if you make investment decisions for those accounts.

UNDER THE FEDERAL SECURITIES LAWS, ACCOUNT HOLDERS WHO FALL INTO THESE CATEGORIES ARE "RELATED PERSONS," AND ARE SUBJECT TO THE SAME RESTRICTIONS ON TRADING AS CALAMOS PERSONNEL. CALAMOS PERSONNEL ARE RESPONSIBLE FOR INSURING THAT THEIR RELATED PERSONS COMPLY WITH THE PROVISIONS OF THE CODE.

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DISCLOSURE OF PERSONAL HOLDINGS

Calamos personnel fall into five broad categories:

- INVESTMENT PERSONS are those who make, or participate in making, investment decisions or recommendations for Calamos clients, or who, in connection with their regular functions or duties with Calamos, make, participate in, or obtain information regarding the purchase or sale of securities by a client. Investment Persons are each Calamos portfolio manager, each research analyst, support staff working directly with portfolio managers and analysts, and each trader.

- ACCESS PERSONS are those directors, officers and employees of Calamos or a trust who are not Investment Persons, Outside Trustees, Unaffiliated Trustees or Outside Directors.

- OUTSIDE DIRECTORS are those directors of Calamos Asset Management, Inc. who are not employees of Calamos.

- OUTSIDE TRUSTEES are those trustees of a Fund who are not "interested persons" of the Fund, as that term is defined in the Investment Company Act of 1940.

- UNAFFILIATED TRUSTEES are those Trustees of a Fund who are not affiliated persons of Calamos but are not Outside Trustees.

Each INVESTMENT PERSON, ACCESS PERSON, and UNAFFILIATED TRUSTEE shall disclose to the Compliance Department holdings of Covered Securities in which he or she or a Related Person has a Beneficial Interest no later than 10 days after becoming an Investment Person, Access Person, or Unaffiliated Trustee. Data must be current as of a date no earlier than 45 days before the date of employment of the new employee. In addition, the Compliance Department must be notified in writing within 10 days of the opening of a new brokerage account in which he or she or a Related Person has a Beneficial Interest and there after on the quarterly certification form. Such information must be updated annually thereafter as of December 31 of each year. Annual reports shall be delivered to the Compliance Department no later than January 30 of the following year. The initial holdings and annual holdings reports shall contain the following information:

- The title and number of shares, or principal amount, interest rate and maturity date (if applicable), of each Covered Security held beneficially;

- The name of any broker, dealer, bank or custodian with or through which an account is maintained in which the person has a Beneficial Interest, along with the corresponding account number; and

- The date the report is submitted.

REPORTING OF PERSONAL SECURITIES TRANSACTIONS

An OUTSIDE TRUSTEE, UNAFFILIATED TRUSTEE, or OUTSIDE DIRECTOR shall report in writing to the Chief Compliance Officer of Calamos, within 30 days after the end of a calendar quarter, any transaction by them or a Related Person of any of them in a Covered Security if, at the time of the transaction he or she knew, or in the ordinary course of fulfilling his or her duties as a Trustee or Director should have known,

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that on the day of the transaction or within 15 days before or after that day a purchase or sale of that Covered Security was made by or considered for a Fund.

An OUTSIDE TRUSTEE OR UNAFFILIATED TRUSTEE shall also report in writing to the Chief Compliance Officer of Calamos, WITHIN ONE BUSINESS DAY, any personal securities transaction by them or a Related Person of any of them in shares of Calamos closed-end Funds. Such reporting is required to meet obligations under
Section 16 of the Securities Exchange Act of 1934 and the rules thereunder.

An OUTSIDE DIRECTOR shall also report in writing to the General Counsel of Calamos Asset Management, Inc., WITHIN ONE BUSINESS DAY, any personal securities transaction by them or a Related Person, including but not limited to automatic dividend reinvesments in securities of Calamos Asset Management, Inc. (CLMS). Such reporting is required to meet obligations under Section 16 of the Securities Exchange Act of 1934 and the rules thereunder.

Each ACCESS PERSON and INVESTMENT PERSON shall (i) identify to Calamos any brokerage or other account, including accounts of Related Persons, in which he or she has a Beneficial Interest and (ii) instruct the broker or custodian to deliver to Calamos' Compliance Department duplicate confirmations of all transactions and duplicate monthly statements.

Each ACCESS PERSON, INVESTMENT PERSON, AND UNAFFILIATED TRUSTEE, shall report all personal transactions in Covered Securities by them or a Related Person of any of them, including transactions in shares of all mutual funds and closed-end funds, during a quarter to the Compliance Department no later than thirty days after the end of the calendar quarter. Quarterly transaction reports shall include the following information for each individual transaction:

- the date of the transaction;

- title and number of shares or principal amount, interest rate and maturity date (if applicable) of each security involved;

- the nature of the transaction (i.e., purchase, sale, exchange, gift, or other type of acquisition or disposition);

- the price at which the transaction was effected;

- the name of the broker, dealer or bank with or through which the transaction was effected;

- the account number; and

- the date the report is submitted.

In addition, for each account established during the month in which securities are held for the benefit of an INVESTMENT PERSON, ACCESS PERSON, OR UNAFFILIATED TRUSTEE, the quarterly report shall include:

- the name of the broker, dealer, custodian or bank with whom the account was established;

- the date the account was established;

- the account number; and

- the date the report is submitted.

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Reports relating to the personal securities transactions of the Chief Compliance Officer shall be reviewed by the General Counsel.

CONFIRMATIONS AND STATEMENTS FOR COVERED ACCOUNTS

Each INVESTMENT PERSON or ACCESS PERSON must arrange for copies of confirmations and statements to be provided to the Compliance Department for any Covered Accounts maintained with a brokerage firm. Instruct the applicable brokerage firms to provide those copies to: Calamos Advisors LLC, Compliance Department, 2020 Calamos Court, Naperville, IL 60563. Upon request, the Compliance Department will send a standard letter to a brokerage firm advising them of Calamos' arrangements under this Policy.

YOU ARE RESPONSIBLE FOR ENSURING INITIALLY THAT COMPLIANCE RECEIVES THESE CONFIRMATIONS AND STATEMENTS AND FOR FOLLOWING UP SUBSEQUENTLY IF COMPLIANCE NOTIFIES YOU THAT THEY ARE NOT BEING RECEIVED. COMPLIANCE MAY DIRECT YOU TO CLOSE AN ACCOUNT IF THE BROKER FAILS TO PROVIDE PERIODIC CONFIRMATIONS OR ACCOUNT STATEMENTS ON A TIMELY BASIS.

CERTIFICATION OF COMPLIANCE

Each INVESTMENT PERSON and ACCESS PERSON is required to certify annually that
(i) he or she has read and understands the Code, (ii) recognizes that he or she is subject to the Code, and (iii) he or she has disclosed or reported all personal securities transactions required to be disclosed or reported under the Code. The Chief Compliance Officer shall annually distribute a copy of the Code and require certification by all covered persons and shall be responsible for ensuring that all personnel comply with the certification requirement.

Each INVESTMENT PERSON and ACCESS PERSON who has not engaged in any Personal Securities Transaction during the preceding year for which a report was required to be filed pursuant to the Code shall include a certification to that effect in his or her annual certification.

REPORTS TO FUND BOARD

The officers of each Fund shall prepare an annual report to the Board of Trustees of the Fund that:

- summarizes existing procedures concerning personal investing and any changes in those procedures during the past year;

- describes issues that arose during the previous year under the Code or procedures concerning personal investing, including but not limited to information about material violations of the Code and sanctions imposed;

- certifies to the board that the Fund has adopted procedures reasonably necessary to prevent its INVESTMENT PERSONS and ACCESS PERSONS from violating the Code; and

- identifies any recommended changes in existing restrictions or procedures based upon experience under the Code, evolving industry practices, or developments in applicable laws or regulations.

In addition, the officers of each Fund shall report to the Board of the Fund on a quarterly basis any material violations of the Code.

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PRE-CLEARANCE OF COVERED SECURITIES TRANSACTIONS

Except as expressly provided in this section, no INVESTMENT PERSON or ACCESS PERSON shall engage in a Covered Securities transaction unless the transaction has been approved in advance by any one of the CEO, Senior Executive Vice President, Chief Compliance Officer or General Counsel, none of whom may approve his or her own transactions. In addition, the personal securities transactions of the CEO and Senior Executive Vice President must be approved in advance by the Chief Compliance Officer or General Counsel. Each approval shall be in writing and shall be forwarded to the Compliance Department to be filed in the employee's trading files and maintained for at least five years after the end of the fiscal year in which it is made, the first two years in an easily accessible place.

The provisions of this Code are intended to limit the personal investment activities of persons subject to the Code only to the extent necessary to accomplish the purposes of the Code. Therefore, the pre-clearance provisions of the Code shall not apply to:

- Purchases or sales effected in any account over which the persons subject to this Code have no direct or indirect influence or control, including discretionary accounts #;

- Purchases or sales that are non-volitional on the part of either the person subject to the Code or any client (including transactions pursuant to Rule 10b5-1 plans, discussed below);

- Purchases that are part of an automatic dividend reinvestment plan (additional restrictions apply to CAM dividend reinvestment plan described below);

- Purchases effected upon the exercise of rights issued by an issuer pro rata to all holders of a class of securities to the extent such rights were acquired from such issuer, and sales of such rights so acquired;

- Purchases or sales of municipal securities; and

Purchase of shares of open-end mutual funds advised or subadvised by Calamos. Provided, however, that in order to prevent market timing in open-end funds advised or sub-advised by Calamos, pre-clearance is required for the redemption or exchange of such mutual fund shares held for a period of less than 30 calendar days.

OPEN-END MUTUAL FUNDS ADVISED OR SUBADVISED BY CALAMOS

INVESTMENT PERSONS or ACCESS PERSONS wishing to redeem or exchange any shares of open-end mutual funds advised or subadvised by Calamos held for a period of less than 30 calendar days, must obtain written approval from any one of the Chief Compliance Officer or General Counsel, none of whom may approve his or her own transactions.


# In order for an account to be deemed discretionary, approval must be received by the Chief Compliance Officer. Supporting documentation must be provided in the form of a letter from the manager of the discretionary account, a completed Request for Exclusion from the Code of Ethics and Insider Trading Policy Form and a copy of the most recent account statement.

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CALAMOS CLOSED-END FUNDS

In addition, officers and Trustees of Calamos closed-end Funds and Executive Officers of Calamos Advisors LLC and Calamos Financial Services LLC must notify the General Counsel of any purchases or sales of Calamos closed-end Funds, excluding dividend or capital gain reinvestments, on the day such transaction was effected. Such notification is required to meet reporting obligations under
Section 16 of the Securities Exchange Act of 1934 and the rules thereunder.

CAM SECURITIES

No OUTSIDE TRUSTEE NOR UNAFFILIATED TRUSTEE many own, directly or indirectly, any CAM securities.

OUTSIDE DIRECTORS, officers and employees of Calamos must obtain prior clearance from the Chief Compliance Officer or the General Counsel of CAM before he, she or a Related Person engages in any transactions in CAM securities, including but not limited to stock option exercises, gifts, or any other transfer of securities. Pre-clearance is required even during a trading window.

If pre-clearance is granted, the individual must execute his or her trade within the period of time indicated by the approving person on the pre-clearance form, which period of time shall not exceed two business days from the day on which pre-clearance is granted.

ADDITIONAL RESTRICTIONS

NO TRANSACTIONS WITH CLIENTS

No INVESTMENT PERSON, ACCESS PERSON or OUTSIDE TRUSTEE shall knowingly sell to or purchase from a client any security or other property except securities issued by that client.

NO CONFLICTING TRANSACTIONS

No INVESTMENT PERSON, ACCESS PERSON, OUTSIDE DIRECTOR, OUTSIDE TRUSTEE, UNAFFILIATED TRUSTEE NOR ANY RELATED PERSON OF ANY OF THEM, shall purchase or sell for his or her own personal account and benefit, or for the account and benefit of any Related Person, any Covered Security (other than shares of an open-end fund advised or subadvised by Calamos) that the person knows or has reason to believe is being purchased or sold or considered for purchase or sale by a client, until the client's transactions have been completed or consideration of such transactions has been abandoned. A purchase of a security is being "actively considered" (a) when a recommendation to purchase or sell has been made for the client and is pending or (b) with respect to the person making the recommendation, when that person is seriously considering making the recommendation.

Absent extraordinary circumstances, a personal securities transaction shall not be executed until the fifth business day after completion of any transaction for a client. The purchase and sale of shares of any open-end fund advised or subadvised by Calamos by an INVESTMENT PERSON, ACCESS PERSON, OUTSIDE TRUSTEE OR OUTSIDE DIRECTOR shall not be viewed as a conflicting transaction for the purpose of this section.

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INITIAL PUBLIC OFFERINGS

No INVESTMENT PERSON or ACCESS PERSON shall acquire any security in an initial public offering.

PRIVATE PLACEMENTS

No INVESTMENT PERSON or ACCESS PERSON shall acquire any security in a private placement without the express written prior approval of the President or Senior Executive Vice President of Calamos. In deciding whether that approval should be granted, consideration will be given to whether the investment opportunity should be reserved for clients and whether the opportunity has been offered because of the person's relationship with Calamos or its clients. An INVESTMENT PERSON who has been authorized to acquire a security in a private placement must disclose that investment if he or she later participates in consideration of an investment in that issuer for a client's account. Any investment decision for the client relating to that security must be made by other Investment Persons.

SHORT-TERM TRADING

No INVESTMENT PERSON may profit from the purchase and sale, or sale and purchase, of the same (or equivalent) securities, other than shares of mutual funds, within 60 days if the same (or equivalent) securities have been held by a client during such 60-day period. Any profit so realized will be required to be donated to a charitable organization selected by Calamos.

EXCEPTIONS AND EXEMPTIONS

DISCRETIONARY ACCOUNTS OF OUTSIDE TRUSTEES

Purchases and sales of securities in an account in which an Outside Trustee or a Related Person of an Outside Trustee has a Beneficial Interest shall not be subject to the prohibitions of the Code if the account is managed by someone other than the Outside Trustee or the Related Person, and the Outside Trustee or Related Person did not have knowledge of the transactions until after they had been executed, provided the Outside Trustee has previously identified the account to Calamos' Chief Compliance Officer.

DE MINIMIS EXCEPTION

Purchases or sales in an amount less than $10,000 in a Covered Security of an issuer (other than shares of mutual funds) that has a market capitalization of at least $5 billion are exempt from the prohibitions with respect to whether Calamos is trading the same security for the accounts of its clients of this Code, and are exempt from the pre-clearance requirements of the Code. However, please note that trades falling within this de minimis exception must be reported pursuant to the requirements of this Code.

This exception does not apply to transactions in securities of CAM regardless of the dollar amount of the purchase or sale.

HARDSHIPS

Under unusual circumstances, such as a personal financial emergency, employee stock ownership plans, stock option plans and certain personal trusts, or when it is determined that no conflict of interest or other breach of duty is involved, application for an exemption to make a transaction may be made to the Chief Compliance Officer, which application may be denied or granted. To request consideration of an exemption, submit a written request containing details on your circumstances, reasons for the exception and exception requested.

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The Chief Compliance Officer may, in unusual circumstances, approve exceptions from the Code of Ethics applicable to an individual, based on the unique circumstances of such individual and based on a determination that the exceptions can be granted (i) consistent with the individual's fiduciary obligations to clients and (ii) pursuant to procedures that are reasonably designed to avoid a conflict of interest for the individual. Any such exceptions shall be subject to such additional procedures, reviews and reporting as determined appropriate by the Chief Compliance Officer in connection with granting such exception. Any such exceptions will be reported to the Board of Directors of CAM at the meeting of the Board of Directors and the Board of Trustees of the Funds, respectively, immediately following the grant of such exception, and such Board of Directors or Board of Trustees shall have the power to revoke or modify any such exceptions prospectively.

POLICIES AND PROCEDURES REGARDING TRADING IN SECURITIES OF CAM

The personal trading policies and procedures regarding securities of other companies are broadly designed to protect Calamos clients against potential misuse of Material Nonpublic Information by Calamos personnel that could disadvantage the client, or enrich Calamos personnel at the expense of clients.

Additional restrictions apply to transactions in CAM securities by Calamos personnel. These restrictions are required under federal law to protect shareholders of Calamos from the potential misuse of Material Nonpublic Information about Calamos itself.

Broadly speaking, the provisions of the Code with respect to the purchase and sale of securities of other companies apply equally to the purchase and sale of CAM securities. For example, covered accounts that hold CAM securities must be disclosed, duplicate confirmations and statements must be provided, and transactions in CAM securities must be pre-cleared. However, trading in CAM securities by CAM personnel and their Related Persons are limited to specific periods. Note that the de minimis exception applicable to securities of other companies does not apply to transactions in CAM securities by CAM personnel and their Related Persons. EVERY TRADE IN CAM SECURITIES MUST BE PRE-APPROVED.

BLACKOUT PERIODS AND TRADING WINDOWS

QUARTERLY BLACKOUT PERIODS

The period leading up to CAM's announcement of its quarterly financial results is a particularly sensitive period of time for trading in CAM securities from the perspective of complying with applicable securities laws. During this period, directors, officers and certain employees and consultants may often possess Material Nonpublic Information about the expected financial results for the quarter. As a result, directors, officers and employees of CAM are prohibited from trading in CAM securities and entering into trading plans including but not limited to dividend reinvestments during the period beginning on the first day of the last fiscal month of each fiscal quarter and ending at the close of trading on the NASDAQ National Market ("NASDAQ") on the second full trading day following the release of the quarterly financial results. The beginning and end of each such blackout period will be announced by the Chief Compliance Officer.

The exempt transactions described below under "Certain Exemptions" are permissible even during the quarterly blackout periods. However, entering into a Rule 10b5-1 trading plan and setting up regularly scheduled plan transactions such as dividend reinvestment plan in CAM Securities are prohibited during blackout periods. Rule 10b5-1 trading plans are described further in that Section.

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RETIREMENT PLAN BLACKOUT PERIODS

In the event that CAM shares are available in any Calamos retirement plan, directors and executive officers of Calamos are prohibited from purchasing, selling, acquiring or transferring Calamos shares and derivative securities acquired in connection with their service or employment during any blackout periods of more than three consecutive business days applicable to the participants in such retirement plan. Such blackout periods, while rare, usually occur in connection with administrative changes to the plans and plan service providers. The retirement plan or its sponsor is required to give directors, executive officers and affected plan participants advance written notice of such retirement plan blackout periods.

These blackout periods are intended to conform to the current and any future requirements of and exceptions to Section 306 of the Sarbanes-Oxley Act of 2002, as amended ("Section 306"). This prohibition will be interpreted and implemented in accordance with Section 306 and the regulations thereunder, as amended.

EVENT SPECIFIC BLACKOUT PERIODS

Calamos reserves the right to impose other trading blackouts from time to time on specified groups of its directors, officers, employees, agents or consultants when, in the judgment of the CAM's General Counsel, a blackout period is warranted. Calamos will notify those affected by such a blackout of when the blackout begins and when it ends. Those affected should not disclose to others the fact of such trading suspension.

TRADING WINDOWS

To avoid even the appearance of impropriety, the most appropriate period for transactions in CAM securities by directors, officers, employees, agents and consultants who are routinely in possession of Material Nonpublic Information about CAM is the period beginning on the third full trading day through the twelfth trading day following each quarterly earnings release.

This trading window is based on the concept that CAM's disclosures to the investing public should be up to date and complete during that period. The securities markets also should have had a sufficient opportunity to digest the disclosures in the quarterly release.

IT SHOULD BE NOTED THAT EVEN DURING THE TRADING WINDOWS, ANY PERSON POSSESSING MATERIAL NONPUBLIC INFORMATION CONCERNING CAM SHOULD NOT ENGAGE IN ANY TRANSACTIONS IN CAM SECURITIES UNTIL SUCH INFORMATION HAS BEEN KNOWN PUBLICLY FOR AT LEAST TWO FULL TRADING DAYS, WHETHER OR NOT CAM HAS RECOMMENDED A SUSPENSION OF TRADING TO THAT PERSON. TRADING IN CAM SECURITIES DURING THE TRADING WINDOW SHOULD NOT BE CONSIDERED A "SAFE HARBOR" FOR PURPOSES OF THE INSIDER TRADING LAWS. AND ALL DIRECTORS, OFFICERS, EMPLOYEES AND OTHER PERSONS SHOULD USE GOOD JUDGMENT AT ALL TIMES AND CONTACT THE CHIEF COMPLIANCE OFFICER OR GENERAL COUNSEL IF THERE ARE QUESTIONS.

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CERTAIN EXCEPTIONS

The prohibitions against trading while in possession of Material Nonpublic Information and during blackout periods do not apply to the following types of transactions in CAM securities:

- Transactions pursuant to a binding contract, instruction or written plan that complies with the requirements of Rule 10b5-1 ("Rule 10b5-1") under the Securities Exchange Act of 1934, as amended (the "Act"). Any such contract, instruction or written plan must be presented to the Legal and Compliance Department for approval prior to entering into the first transaction under such an arrangement.

- Rule 10b5-1 provides a defense from insider trading liability for trading contracts, instructions and plans that meet the rule's requirements. In general, a Rule 10b5-1 contract, instruction or plan must be entered into outside of blackout periods applicable to such person and when the person is not in possession of Material Nonpublic Information. Once the contract, instruction or plan is adopted, the person must not exercise any influence over the amount of securities to be traded, the price at which they are to be traded or the date of the trade. The plan must either specify the amount, pricing and timing of transactions when established or delegate discretion on these matters to an independent third party, usually a broker.

- Regularly scheduled and matching contributions to and withdrawals from a CAM stock fund in a benefit plan when the contributions or withdrawals are put in place outside of blackout periods applicable to such person and when not in possession of Material Nonpublic Information;

- Regularly scheduled purchases and reinvestments in and withdrawals from a dividend reinvestment plan when the purchases, reinvestments or withdrawals are put in place outside of blackout periods applicable to such person and when not in possession of Material Nonpublic Information. However any such contract, instruction or written plan must be presented to the Compliance Department for approval prior to entering into such an arrangement.

- Bona fide gifts of CAM securities, unless there exists reason to believe the recipient intends to sell the securities while you possess Material Nonpublic Information;

- Acceptance or vesting and any related stock withholding of stock options, restricted stock, restricted stock units, phantom stock units or other grants issued under CAM's incentive compensation plans;

- Acquisition or disposition of stock in a stock split, reverse stock split, stock dividend, or other transaction affecting all shareholders in a similar manner; and

- Any other transaction designated by the General Counsel of CAM as exempt from the Code.

PROHIBITIONS

As an investment philosophy, CAM does not believe in speculation, and speculation often leads to insider trading issues. Accordingly, directors, officers and employees of CAM and its affiliates are prohibited from the following activities:

- Purchases or sales of exchange-listed or OTC options on CAM stock;

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- The exercise of an option or right to purchase CAM shares, or the sale of CAM restricted stock which has vested, is generally not permitted if the final exercise date or the sale date falls within a blackout period, although certain transactions may be permitted, depending upon specific circumstances.

- Short term or day trading (i.e. purchases and sales within a 30 day period) of CAM shares.

- Short sales of CAM shares, other than shorting against the box.

Any exceptions to these restrictions must be approved in writing by both the Chief Compliance Officer and the General Counsel of CAM.

Although margining and pledging of CAM securities as collateral is not prohibited, it is strongly discouraged. In any margin or loan account, the securities used as collateral may be sold without your consent to meet a margin call or to satisfy a loan. If such a sale occurs during a blackout period, or when you have access to material non-public information, it may result in unlawful insider trading. Because of this danger, it is recommended that directors, officers, employees, agents and consultants of CAM not hold CAM stock in a margin account or pledge CAM stock as collateral for a loan.

ADDITIONAL REQUIREMENTS FOR DIRECTORS AND EXECUTIVE OFFICERS

Directors, including Outside Directors, and certain officers of CAM and its affiliated companies, as well as other personnel with regular access to CAM's financial information, must obtain prior clearance from the General Counsel of CAM before engaging in ANY transaction in CAM securities and securities of closed-end funds managed by CAM. This includes trades within the trading windows described above. A request should be made at least two business days in advance of the proposed trade date, and the clearance will generally be good for 48 hours. CAM personnel subject to this requirement are listed in Attachment A, which may be amended from time to time.

In addition, initial participation in a dividend reinvestment plan of CAM stock must be pre-cleared by CAM's General Counsel and thereafter only for changes in reinvestment directions (e.g. change in the percent of the dividend amount being reinvested). The following information must be provided initially for each dividend reinvestment plan of CAM stock you participate in: (i) the name of the plan and plan sponsor; (ii) the reinvestment directions give to the plan sponsor; and (iii) form of ownership (e.g. hold directly, jointly with spouse, through a trust, etc.). Typically, these transactions need to be reported to the SEC within two business days after the execution of the transaction.

Such persons also may trade in CAM securities and securities of closed-end funds managed by CAM pursuant to the provisions of Rule 10b5-1 of the Securities Exchange Act of 1934. Rule 10b5-1 provides a defense from insider trading liability for trading contracts, instructions and plans that meet the rule's requirements by sharply limiting the discretion an insider has over the timing, amount and pricing of trades. In general, a Rule 10b5-1 contract, instruction or plan must be entered into, in writing, outside of blackout periods applicable to such person and when the person is not in possession of material nonpublic information. Once the contract, instruction or plan is adopted, the person must not exercise any influence over the amount of securities to be traded, the price at which they are to be traded or the date of the trade. In short, it is similar to regularly scheduled purchases and reinvestments in, or withdrawals from, dividend reinvestment plans or similar programs. The plan must either specify the amount, pricing and timing of transactions when established or delegate discretion on these matters to an independent third party, usually a broker. Such arrangements must be approved by the Legal & Compliance Department prior to the first transaction.

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SECTION 16 REPORTING AND PROHIBITIONS

Under the requirements of Section 16 of the Securities Exchange Act of 1934, certain parties are required to report any transactions in CAM securities including but not limited to dividend reinvestments on a regular basis. These persons include:

- CAM's CEO

- CAM's principal financial officer

- CAM's principal accounting officer (or, if there is no such accounting officer, the controller)

- Any director of CAM, including Outside Directors

- Any vice-president of CAM in charge of a principal business unit, division or function (such as sales, administration or finance)

- Any other officer of CAM who performs a policy-making function, or

- Any other person who performs similar policy-making functions for CAM.

Officers of CAM's parent(s) or subsidiaries shall be deemed officers of CAM if they perform such policy-making functions for CAM. In general such persons are deemed to have inside information by virtue of their positions within CAM.

Transactions of immediate family members of the persons listed above also are generally subject to the reporting requirements, on the theory that the director, officer or principal shareholder will financially benefit from these transactions. For Section 16 purposes, "immediate family" means any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, sibling, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships.

These persons, as well as any holder of more than 10% of CAM stock, must file initial reports of CAM share ownership on Form 3 and subsequent reports of transactions on Form 4. Although the Legal Department of CAM is prepared to assist these persons in preparing such filings, the responsibility for such filings, including notifying CAM of the transaction and seeking pre-clearance, is that of the person.

In addition to the periodic reporting requirements, directors, officers and principal shareholders of CAM are subject to the "short swing" trading provisions of Section 16. Subject to certain exceptions, an officer, director or principal shareholder of CAM who engages in any combination of purchase and sale, or sale and purchase of a CAM security within any period of less than six months must turn over to CAM any profit realized or loss avoided by such a combination of transactions. This is an absolute penalty imposed by law, and it is imposed regardless of any intention on the part of the director, officer or owner.

CAM's Legal Department is prepared to assist these persons in determining and satisfying their obligations under Section 16, but that assistance can be offered only if the transactions are reported to CAM's General Counsel for pre-approval.

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RULE 144

Directors and executive officers of CAM are required to file Form 144 with the SEC and NASDAQ before making an open market sale of CAM shares. The Form 144 notifies the SEC and NASDAQ of an intent to sell CAM shares. Although the Form 144 is generally prepared and filed by the Calamos Legal Department, the reporting person retains responsibility for the timeliness and accuracy of reports. Again, that assistance can be offered only if the transactions are reported to CAM's General Counsel for pre-approval.

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OTHER REGULATORY REQUIREMENTS

Certain other restrictions are imposed upon Calamos personnel, other than Outside Trustees, Unaffiliated Trustees and Outside Directors, as a result of being in a highly regulated industry.

OUTSIDE EMPLOYMENT

What employees do outside the office on their own time is their business as long as it does not reflect negatively on the Company. However, for full-time employees of Calamos, it is expected that their position with the company is their primary employment. Any outside activity must not interfere with an employee's ability to properly perform his or her job responsibilities.

Personnel contemplating a second job must notify their supervisor immediately. The supervisor will thoroughly discuss this opportunity with the employee to ensure it will not interfere with job performance at Calamos, nor pose a conflict of interest. All outside business activities must be approved by your supervisor and reported to the Chief Compliance Officer via the completion of the Notice of Outside Business Activities Form.

SERVICE AS A DIRECTOR OR OFFICER

No INVESTMENT PERSON or ACCESS PERSON may serve as a member of the board of directors or trustees, or as an officer, of any publicly-held company without the prior written approval of the President or the Chief Compliance Officer, based on a determination that the board service would not be inconsistent with the interests of the clients of CAM. If an INVESTMENT PERSON is serving as a board member, that INVESTMENT PERSON shall not participate in making investment decisions relating to the securities of the company on whose board he or she sits. Because of the potential for real or apparent conflicts of interests, such service is strongly discouraged.

GIFTS

Regulators require that Calamos monitor the receipt and giving of gifts. The regulatory concern is that the receipt or giving of gifts, or excessive entertainment or favors could interfere with fiduciary judgment.

ACCEPTING GIFTS AND ENTERTAINMENT

Except as otherwise specifically stated below, an INVESTMENT PERSON, ACCESS PERSON or his/her family members must not accept excessive gifts, entertainment or favors from current or prospective customers or suppliers of Calamos. Cash gifts and checks or gift certificates convertible into cash are always inappropriate and must never be accepted. Other gifts up to $100 in retail value may be accepted if the INVESTMENT PERSON or ACCESS PERSON is certain that there is no conflict of interest or appearance of any conflict of interest raised by the gift(s). If an employee receives a gift, over a $100 retail value, the employee must submit a written report to the Chief Compliance Officer. Reports submitted to the Chief Compliance Officer must contain the following information: name of recipient; title or position; department; name of donor; description of gift; date received; actual or estimated value. Such reports are to be prepared and submitted immediately upon receipt of such gift. Senior Management reserves the right to require the person to return any gift if it determines such return is appropriate under the circumstances.

Invitations for excessive or extravagant entertainment must be declined. If such entertainment is accepted inadvertently, it must be reported in writing in accordance with the above guidelines. Employees should only accept types of entertainment that they believe would be deemed appropriate. No gifts should be

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accepted by one employee from another employee if accepting such gifts would create a conflict of interest or the appearance thereof, if such gifts would be considered excessive, or if such gifts are inappropriate or in bad taste.

PRESENTING GIFTS AND ENTERTAINMENT

In situations where Calamos is to present a gift, entertainment, or other accommodation to a current or prospective customer or supplier, INVESTMENT PERSONS or ACCESS PERSONS must use careful judgment to determine that the matter is handled in good taste and without excessive expense. All entertainment presented by Calamos or in the name of Calamos must be appropriate and in good taste. Employees presenting a gift, entertainment or accommodation must be certain that such gift, entertainment or accommodation they have selected would be appropriate. If there are any questions as to whether or not a particular form of gift, entertainment or accommodation is appropriate, such gift, entertainment or accommodation should not be presented. Prior approval from the Chief Compliance Officer is required before purchasing a gift with a retail value over $100 or the presentation of a gift combined with other gifts given to the same client during the calendar year would exceed $100. Reports should include name of donor; title or position; department; name of recipient, description of gift; date presented; and actual value.

INVESTMENT PERSONS or ACCESS PERSONS sometimes obtain Calamos-owned tickets to sporting or cultural events, etc. When an INVESTMENT PERSON or ACCESS PERSON is accompanying a customer to the event using the Calamos-owned tickets, the use of such tickets is considered to be customer entertainment. When an INVESTMENT PERSON or ACCESS PERSON presents such tickets to a customer, but does not attend the event with the customer, the presentation of such Calamos-owned tickets is then considered a gift to the customer. In either event, care must be taken to ensure that such gift or entertainment is an appropriate business expense for Calamos. It is expected that Calamos-owned tickets would not be repeatedly used to entertain, or be presented as gifts to, the same customer.

IDENTIFYING ACTUAL OR POTENTIAL CONFLICTS OF INTEREST

Calamos believes that the interests of Calamos and its clients can and should be aligned, despite the potential for conflicts of interest in the investment adviser/client relationship. In addition to being in the best interests of our clients to avoid conflicts of interest, it is in the best interest of Calamos itself to avoid actual and even, if possible, potential conflicts of interest.

In a company of our size and complexity, it can become difficult to identify conflicts of interest and other potential problems. But identification is the first and most necessary step in resolving those issues. Calamos believes that those dealing with the details of running its business operations are in just as good a position -- often a better one -- as Calamos management to identify potential problems.

All Calamos employees have an interest in identifying and solving potential problems. Each employee should feel free to raise questions and analyze what he or she is doing. In the end, Calamos is paying all of us to think and use our best judgment, and that includes raising questions and joining the discussion that shapes our business policies and practices. If any employee is concerned about an apparent conflict of interest, or any other legal or ethical question involving our businesses, we want to hear from you so that we can take the appropriate action.

Calamos recognizes that some people may feel uncomfortable raising issues, especially if they question the propriety of something that is occurring. Although people should not be afraid to raise these points openly, as an alternative Calamos has established the EthicsPoint program for reporting and resolving issues under the Calamos Standards of Conduct, including conflicts of interest and other legal or ethical

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issues. Under the EthicsPoint program, any employee can report any type of actual or suspected violation on an anonymous, no retaliation basis. The EthicsPoint program, which is described more completely on the Calamos intranet site, has established a procedure for investigating and resolving such issues, and the same procedures will be used to resolve issues raised face-to-face, outside the EthicsPoint program.

YEARLY CERTIFICATION

Copies of the Code will be provided to all personnel at least yearly. They will be required to sign a certification that they have read and understand the provisions of the Code, and that they have abided by all of its provisions.

RECORD RETENTION

The Compliance Department shall maintain the records listed below for a period of five years in a readily accessible place:

- A copy of each Code that has been in effect at any time during the past five years;

- A record of any violation of the Code and any action taken as a result of such violation for five years from the end of the fiscal year in which the violation occurred;

- A record of all written acknowledgements of receipt of the Code and amendments for each person who is currently, or within the past five years was, a supervised person;

- Holdings and transactions reports made pursuant to the Code, including any brokerage confirmation and account statements made in lieu of these reports;

- A record of any decision and supporting reasons for approving the acquisition of securities in limited offerings for at least five years after the end of the fiscal year in which approval was granted;

- A copy of each Initial Statement of Beneficial Ownership of Securities ( SEC Form 3), Statement of Changes of Beneficial Ownership of Securities ( SEC Form 4), and Annual Statement of Beneficial Ownership of Securities ( SEC Form 5).

Effective Date: June 30, 2005

Revised: May 16, 2007

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