Units $10 principal amount per unit CUSIP No.			Pricing Date* Settlement Date* Maturity Date*		June , 2023 July , 2023 June , 2025
			*Subject to change based on the actual date the notes are priced for initial sale to the public (the “pricing date”)
Market-Linked Step Up Notes Linked to the SPDR® S&P® Regional Banking ETF §      Maturity of approximately two years   §      If the Underlying Fund is flat or increases up to the Step Up Value, a return of [20.00% to 30.00%]   §      If the Underlying Fund increases above the Step Up Value, a return equal to the percentage increase in the Underlying Fund   §      1-to-1 downside exposure to decreases in the Underlying Fund, with up to 100.00% of the principal amount at risk   §      All payments occur at maturity and are subject to the credit risk of Canadian Imperial Bank of Commerce   §      No periodic interest payments   §      In addition to the underwriting discount set forth below, the notes include a hedging-related charge of $0.075 per unit. See “Structuring the Notes”   §      Limited secondary market liquidity, with no exchange listing   §      The notes are unsecured debt securities and are not savings accounts or insured deposits of a bank. The notes are not insured or guaranteed by the Canada Deposit Insurance Corporation, the U.S. Federal Deposit Insurance Corporation or any other governmental agency of the United States, Canada, or any other jurisdiction

The notes are being issued by Canadian Imperial Bank of Commerce (“CIBC”). There are important differences between the notes and a conventional debt security, including different investment risks and certain additional costs. See “Risk Factors” and “Additional Risk Factors” beginning on page TS-6 of this term sheet and “Risk Factors” beginning on page PS-7 of product supplement EQUITY SUN-1.

The initial estimated value of the notes as of the pricing date is expected to be between $9.408 and $9.807 per unit, which is less than the public offering price listed below. See “Summary” on the following page, “Risk Factors” beginning on page TS-6 of this term sheet and “Structuring the Notes” on page TS-11 of this term sheet for additional information. The actual value of your notes at any time will reflect many factors and cannot be predicted with accuracy.

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None of the Securities and Exchange Commission (the “SEC”), any state securities commission, or any other regulatory body has approved or disapproved of these securities or determined if this Note Prospectus (as defined below) is truthful or complete. Any representation to the contrary is a criminal offense.

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The notes:

BofA Securities

June     , 2023

Summary

The Market-Linked Step Up Notes Linked to the SPDR^® S&P^® Regional Banking ETF, due June , 2025 (the “notes”) are our senior unsecured debt securities. The notes are not guaranteed or insured by the Canada Deposit Insurance Corporation, the U.S. Federal Deposit Insurance Corporation or any other governmental agency of the United States, Canada or any other jurisdiction or secured by collateral. The notes are not bail-inable debt securities (as defined on page 6 of the prospectus). The notes will rank equally with all of our other unsecured and unsubordinated debt. Any payments due on the notes, including any repayment of principal, will be subject to the credit risk of CIBC. The notes provide you with a Step Up Payment if the Ending Value of the Market Measure, which is the SPDR^® S&P^® Regional Banking ETF (the “Underlying Fund”), is equal to or greater than the Starting Value, but is not greater than the Step Up Value. If the Ending Value is greater than the Step Up Value, you will participate on a 1-for-1 basis in the increase in the price of the Underlying Fund above the Starting Value. If the Ending Value is less than the Starting Value, you will lose all or a portion of the principal amount of your notes. Any payments on the notes will be calculated based on the $10 principal amount per unit and will depend on the performance of the Underlying Fund, subject to our credit risk. See “Terms of the Notes” below.

The economic terms of the notes (including the Step Up Payment) are based on our internal funding rate, which is the rate we would pay to borrow funds through the issuance of market-linked notes, and the economic terms of certain related hedging arrangements. Our internal funding rate is typically lower than the rate we would pay when we issue conventional fixed rate debt securities. This difference in funding rate, as well as the underwriting discount and the hedging-related charge described below, will reduce the economic terms of the notes to you and the initial estimated value of the notes on the pricing date. Due to these factors, the public offering price you pay to purchase the notes will be greater than the initial estimated value of the notes.

On the cover page of this term sheet, we have provided the initial estimated value range for the notes. This initial estimated value range was determined based on our pricing models. The initial estimated value as of the pricing date will be based on our internal funding rate on the pricing date, market conditions and other relevant factors existing at that time, and our assumptions about market parameters. For more information about the initial estimated value and the structuring of the notes, see “Structuring the Notes” on page TS-11.

Terms of the Notes		Redemption Amount Determination
Issuer:	Canadian Imperial Bank of Commerce (“CIBC ”)	On the maturity date, you will receive a cash payment per unit determined as follows:
Principal Amount:	$10.00 per unit
Term:	Approximately two years
Market Measure:	The SPDR® S&P® Regional Banking ETF (Bloomberg symbol: “KRE”)
Starting Value:	The Closing Market Price of the Underlying Fund on the pricing date
Ending Value:	The Closing Market Price of the Underlying Fund on the calculation day times the Price Multiplier as of that day. The scheduled calculation day is subject to postponement in the event of Market Disruption Events, as described beginning on page PS-25 of product supplement EQUITY SUN-1.
Step Up Value:	[120.00% to 130.00%] of the Starting Value. The actual Step Up Value will be determined on the pricing date.
Step Up Payment:	[$2.00 to $3.00] per unit, which represents a return of [20.00% to 30.00%] over the principal amount. The actual Step Up Payment will be determined on the pricing date.
Threshold Value:	100% of the Starting Value.
Price Multiplier:	1, subject to adjustment for certain events relating to the Underlying Fund, as described beginning on page PS-28 of product supplement EQUITY SUN-1
Calculation Day:	Approximately the fifth scheduled Market Measure Business Day immediately preceding the maturity date.
Fees and Charges:	The underwriting discount of $0.20 per unit listed on the cover page and the hedging-related charge of $0.075 per unit described in “Structuring the Notes” on page TS-11.
Calculation Agent:	BofA Securities, Inc. (“BofAS”).

The terms and risks of the notes are contained in this term sheet and in the following:

These documents (together, the “Note Prospectus”) have been filed as part of a registration statement with the SEC, which may, without cost, be accessed on the SEC website as indicated above or obtained from Merrill Lynch, Pierce, Fenner & Smith Incorporated (“MLPF&S”) or BofAS by calling 1-800-294-1322. Before you invest, you should read the Note Prospectus, including this term sheet, for information about us and this offering. Any prior or contemporaneous oral statements and any other written materials you may have received are superseded by the Note Prospectus.
Capitalized terms used but not defined in this term sheet have the meanings set forth in product supplement EQUITY SUN-1. Unless otherwise indicated or unless the context requires otherwise, all references in this document to “we,” “us,” “our,” or similar references are to CIBC.

Investor Considerations

We urge you to consult your investment, legal, tax, accounting, and other advisors before you invest in the notes.

The following table and examples are for purposes of illustration only. They are based on hypothetical values and show hypothetical returns on the notes. They illustrate the calculation of the Redemption Amount and total rate of return based on a hypothetical Starting Value of 100.00, a hypothetical Threshold Value of 100.00, a hypothetical Step Up Value of 125.00, a hypothetical Step Up Payment of $2.50 per unit and a range of hypothetical Ending Values. The actual amount you receive and the resulting total rate of return will depend on the actual Starting Value, Threshold Value, Ending Value, Step Up Value and Step Up Payment, and whether you hold the notes to maturity. The following examples do not take into account any tax consequences from investing in the notes.

For recent actual prices of the Underlying Fund, see “The Underlying Fund” section below. The Ending Value will not include any income generated by dividends paid on the Underlying Fund or the securities held by the Underlying Fund, which you would otherwise be entitled to receive if you invested in those securities directly. In addition, all payments on the notes are subject to issuer credit risk.

Redemption Amount Calculation Examples

Example 1
The Ending Value is 50.00, or 50.00% of the Starting Value:
Starting Value:      100.00
Threshold Value:  100.00
Ending Value:        50.00
= $5.00	Redemption Amount per unit

Example 3
The Ending Value is 132.00, or 132.00% of the Starting Value:
Starting Value:       100.00
Step Up Value:      125.00
Ending Value:        132.00
	Redemption Amount per unit

Risk Factors

There are important differences between the notes and a conventional debt security. An investment in the notes involves significant risks, including those listed below. You should carefully review the more detailed explanation of risks relating to the notes in the “Risk Factors” sections beginning on page PS-7 of product supplement EQUITY SUN-1, page S-1 of the prospectus supplement, and page 1 of the prospectus identified above. We also urge you to consult your investment, legal, tax, accounting, and other advisors before you invest in the notes.

Structure-related Risks

Valuation- and Market-related Risks

Conflict-related Risks

Market Measure-related Risks

Tax-related Risks

Additional Risk Factors

The stocks held by the Underlying Fund are concentrated in one sector.

The Underlying Fund holds securities issued by companies in the regional banking sector. As a result, the securities that will determine the performance of the notes are concentrated in one sector. Although an investment in the notes will not give holders any ownership or other direct interests in the securities held by the Underlying Fund, the return on the notes will be subject to certain risks associated with a direct equity investment in companies in this sector. The notes may be subject to greater volatility and be more adversely affected by a single positive or negative economic, political or regulatory occurrence affecting this industry than a different investment linked to securities of a more broadly diversified group of issuers.

The notes are subject to risks associated with the regional bank sector of the U.S. equity market.

All of the stocks held by the Underlying Fund are issued by companies in the regional bank sector. In addition to risks associated with the financial sector, the Fund will also be subject to risks associated with the regional banks. The performance of regional bank stocks may be affected by extensive governmental regulation which may limit both the amounts and types of loans and other financial commitments they can make, and the interest rates and fees they can charge and the amount of capital they must maintain. Profitability is largely dependent on the availability and cost of capital funds, and can fluctuate significantly when interest rates change. Credit losses resulting from financial difficulties of borrowers can negatively impact the sector. Regional banks may also be subject to severe price competition. The regional banking industry is highly competitive and failure to maintain or increase market share may result in lost market share. Any of these factors may adversely affect the price of the Underlying Fund and consequently, the return on the notes.

The Underlying Fund

All disclosures contained in this term sheet regarding the Underlying Fund and the Underlying Index, including, without limitation, their make-up, method of their calculation, and changes in their components, have been derived from publicly available sources, which we have not independently verified. The information reflects the policies of, and is subject to change by, SSGA Funds Management, Inc. (“SSGA”). The consequences of any discontinuance of the Underlying Fund or the Underlying Index are discussed in the section entitled “Description of the Notes—Anti-Dilution and Discontinuance Adjustments Relating to Underlying Funds—Discontinuance of or Material Change to an Underlying Fund” beginning on page PS-31 of product supplement EQUITY SUN-1. None of us, the calculation agent, MLPF&S or BofAS accepts any responsibility for the calculation, maintenance, or publication of the Underlying Fund, the Underlying Index, or any successor fund or index.

The SPDR^® S&P^® Regional Banking ETF

The Underlying Fund is an investment portfolio maintained and managed by SSGA. The inception date of the Underlying Fund is June 19, 2006. The Underlying Fund is an exchange traded fund that trades on the NYSE Arca under the ticker symbol “KRE.”

The Underlying Fund seeks to provide investment results that correspond generally to the price and yield performance, before fees and expenses, of the S&P^® Regional Banks Select Industry Index. The Underlying Index represents the regional banks segment of the S&P Total Market Index™ (the “S&P TM Index”), an index that measures the performance of the U.S. equity market.

The returns of the Underlying Fund may be affected by certain management fees and other expenses, which are detailed in its prospectus.

The Underlying Fund utilizes a “replication” investment approach in attempting to track the performance of the Underlying Index. The Underlying Fund typically invests in substantially all of the securities which comprise the Underlying Index in approximately the same proportions as the Underlying Index. The Underlying Fund will normally invest at least 80% of its total assets in the common stocks that comprise the Underlying Index.

Information filed by the Underlying Fund with the SEC pursuant to the Securities Exchange Act of 1934 and the Investment Company Act can be located by reference to the SEC file numbers 333-57793 and 811-08839, respectively on the SEC’s website at http://www.sec.gov. In addition, information about the Underlying Fund may be obtained from other sources including, but not limited to, the Underlying Fund’s website. We are not incorporating by reference into this pricing supplement the website or any material it includes. Neither we nor the agent makes any representation that such publicly available information regarding the Underlying Fund is accurate or complete.

The S&P^® Regional Banks Select Industry Index

The Underlying Index is an equally-weighted index that is designed to measure the performance of the regional banks sub-industry portion of the S&P TM Index. The Underlying Index is one of the S&P Select Industry Indices, which are calculated, maintained and published by S&P Dow Jones Indices LLC (“SPDJI”). The S&P Select Industry Indices are designed to measure the performance of stocks composing specific GICS^® sub-industries or groups of sub-industries in the S&P Total Market Index. Membership is based on a company’s GICS^® classification, as well as liquidity and market capitalization requirements. The indices are modified equal-weight indices, which means every index constituent has the same weight in the index, and a portfolio that tracks the index will invest an equal dollar amount in each applicable instrument.

The S&P Select Industry Indices

Index Eligibility

For purposes of membership in the S&P Select Industry Indices, SPDJI applies the inclusion and exclusion criteria separately. Membership is based on a company’s GICS^® classification, as well as liquidity and market cap requirements.

Index Inclusion Criteria

To be eligible for inclusion in the S&P Select Industry Indices, companies must be in the S&P TM Index, must be included in the relevant GICS^® sub-industry (e.g. homebuilding) and must satisfy one of the two following combined size and liquidity criteria:

Notwithstanding the foregoing, to be eligible for inclusion in the S&P Select Industry Indices, a company’s float-adjusted market capitalization must be above $2 billion and its float-adjusted liquidity ratio must be above 100%.

Some companies may have more than one share class line in the S&P TM Index. In the S&P Select Industry Indices, each company is represented once by the “Designated Listing”, which is generally the share class with both the highest one-year trading liquidity and largest float-adjusted market capitalization.

All stocks satisfying the above requirements are included in a S&P Select Industry Index. At each rebalancing, at least 35 stocks are selected for each Select Industry Index. In the event that fewer than 35 stocks are selected for each Select Industry Index using the

eligible primary sub-industries (primary stocks), certain indices will select stocks for inclusion from a supplementary list of highly correlated sub-industries (supplementary stocks) based on a process established by SPDJI. Additionally, minimum market capitalization requirements may be relaxed for all S&P Select Industry Indices to ensure that there are at least 22 stocks in each Select Industry Index as of each rebalancing effective date.

Index Exclusion Criteria

Existing index constituents are removed at the quarterly rebalancing effective date if either their float-adjusted market capitalization falls below U.S. $300 million or their float-adjusted liquidity ratio falls below 50%.

Notwithstanding the foregoing, existing index constituents of a S&P Select Industry Index are removed at the quarterly rebalancing date if either their float-adjusted market capitalization falls below $1 billion or their float-adjusted liquidity ratio falls below 50%.

Eligibility Factors

Market Capitalization. The market capitalization measurement used is float-adjusted market capitalization. Under float adjustment, the share counts used in calculating the indices reflect only those shares available to investors rather than all of a company’s outstanding shares. Float adjustment excludes shares that are closely held by control groups, other publicly traded companies, government agencies, or other long-term strategic shareholders.

Liquidity. The liquidity measurement used is float-adjusted liquidity ratio, defined as dollar value traded over the previous 12-months divided by the float-adjusted market capitalization as of the rebalancing reference date. The length of time to evaluate liquidity is reduced to the available trading period for IPOs or spin-offs that do not have 12 months of trading history. In these cases, the dollar value traded available as of the rebalancing reference date is annualized.

Takeover Restrictions. At the discretion of SPDJI, constituents with shareholder ownership restrictions defined in company bylaws may be deemed ineligible for inclusion in a S&P Select Industry Index. Ownership restrictions preventing entities from replicating the index weight of a stock may be excluded from the eligible universe or removed from the applicable Select Industry Index. SPDJI will provide up to five days advance notification of a deletion between rebalancing due to ownership restrictions.

Turnover. SPDJI believes turnover in index membership should be avoided when possible. At times a stock may appear to temporarily violate one or more of the addition criteria. However, the addition criteria are for addition to a S&P Select Industry Index, not for continued membership. As a result, an index constituent that appears to violate criteria for addition to a S&P Select Industry Index will not be deleted unless ongoing conditions warrant a change in the composition of the applicable Select Industry Index.

Sector Classification. A Select Industry Index includes companies in the applicable GICS^® sub-industries set forth above.

Index Calculation, Maintenance and Governance

The S&P Select Industry Indices are calculated, maintained and governed using the same methodology as the S&P 500^® Index.

The following graph shows the daily historical performance of the Underlying Fund on its primary exchange in the period from January 1, 2013, the date when the Underlying Fund began trading, through June 27, 2023. We obtained this historical data from Bloomberg L.P. We have not independently verified the accuracy or completeness of the information obtained from Bloomberg L.P. On June 27, 2023, the Closing Market Price of the Underlying Fund was $40.76. The graph below may have been adjusted to reflect certain corporate actions, such as stock splits and reverse stock splits.

Historical Performance of the Underlying Fund

This historical data on the Underlying Fund is not necessarily indicative of its future performance or what the value of the notes may be. Any historical upward or downward trend in the price per share of the Underlying Fund during any period set forth above is not an indication that the price per share of the Underlying Fund is more or less likely to increase or decrease at any time over the term of the notes.

Before investing in the notes, you should consult publicly available sources for the prices and trading pattern of the Underlying Fund.

Supplement to the Plan of Distribution

Under our distribution agreement with BofAS, BofAS will purchase the notes from us as principal at the public offering price indicated on the cover of this term sheet, less the indicated underwriting discount. MLPF&S will in turn purchase the notes from BofAS for resale, and it will receive a selling concession in connection with the sale of the notes in an amount up to the full amount of the underwriting discount set forth on the cover of this term sheet.

We may deliver the notes against payment therefor in New York, New York on a date that is greater than two business days following the pricing date. Under Rule 15c6-1 of the Securities Exchange Act of 1934, trades in the secondary market generally are required to settle in two business days, unless the parties to any such trade expressly agree otherwise. Accordingly, if the initial settlement of the notes occurs more than two business days from the pricing date, purchasers who wish to trade the notes more than two business days prior to the original issue date will be required to specify alternative settlement arrangements to prevent a failed settlement.

The notes will not be listed on any securities exchange. In the original offering of the notes, the notes will be sold in minimum investment amounts of 100 units. If you place an order to purchase the notes, you are consenting to MLPF&S and/or one of its affiliates acting as a principal in effecting the transaction for your account.

MLPF&S and BofAS may repurchase and resell the notes, with repurchases and resales being made at prices related to then-prevailing market prices or at negotiated prices, and these prices will include MLPF&S’s and BofAS’s trading commissions and mark-ups or mark-downs. MLPF&S and BofAS may act as principal or agent in these market-making transactions; however, neither is obligated to engage in any such transactions. At their discretion, for a short, undetermined initial period after the issuance of the notes, MLPF&S and BofAS may offer to buy the notes in the secondary market at a price that may exceed the initial estimated value of the notes. Any price offered by MLPF&S or BofAS for the notes will be based on then-prevailing market conditions and other considerations, including the performance of the Underlying Fund and the remaining term of the notes. However, none of us, MLPF&S, BofAS or any of our respective affiliates is obligated to purchase your notes at any price or at any time, and we cannot assure you that we, MLPF&S, BofAS or any of our respective affiliates will purchase your notes at a price that equals or exceeds the initial estimated value of the notes.

The value of the notes shown on your account statement will be based on BofAS’s estimate of the value of the notes if BofAS or another of its affiliates were to make a market in the notes, which it is not obligated to do. That estimate will be based upon the price that BofAS may pay for the notes in light of then-prevailing market conditions, and other considerations, as mentioned above, and will include transaction costs. At certain times, this price may be higher than or lower than the initial estimated value of the notes.

The distribution of the Note Prospectus in connection with these offers or sales will be solely for the purpose of providing investors with the description of the terms of the notes that was made available to investors in connection with their initial offering. Secondary market investors should not, and will not be authorized to, rely on the Note Prospectus for information regarding CIBC or for any purpose other than that described in the immediately preceding sentence.

Structuring the Notes

The notes are our debt securities, the return on which is linked to the performance of the Underlying Fund. As is the case for all of our debt securities, including our market-linked notes, the economic terms of the notes reflect our actual or perceived creditworthiness at the time of pricing. The internal funding rate we use in pricing the market-linked notes is typically lower than the rate we would pay when we issue conventional fixed-rate debt securities of comparable maturity. This difference is based on, among other things, our view of the funding value of the notes as well as the higher issuance, operational and ongoing liability management costs of the notes in comparison to those costs for our conventional fixed-rate debt. This generally relatively lower internal funding rate, which is reflected in the economic terms of the notes, along with the fees and charges associated with market-linked notes, typically results in the initial estimated value of the notes on the pricing date being less than their public offering price.

At maturity, we are required to pay the Redemption Amount to holders of the notes, which will be calculated based on the performance of the Underlying Fund and the $10 per unit principal amount. In order to meet these payment obligations, at the time we issue the notes, we may choose to enter into certain hedging arrangements (which may include call options, put options or other derivatives) with BofAS or one of its affiliates. The terms of these hedging arrangements are determined by seeking bids from market participants, including BofAS and its affiliates, and take into account a number of factors, including our creditworthiness, interest rate movements, the volatility of the Underlying Fund, the tenor of the notes and the tenor of the hedging arrangements. The economic terms of the notes and their initial estimated value depend in part on the terms of these hedging arrangements.

BofAS has advised us that the hedging arrangements will include a hedging-related charge of approximately $0.075 per unit, reflecting an estimated profit to be credited to BofAS from these transactions. Since hedging entails risk and may be influenced by unpredictable market forces, additional profits and losses from these hedging arrangements may be realized by BofAS or any third party hedge providers.

For further information, see “Risk Factors—Valuation- and Market-related Risks” beginning on page PS-8 of product supplement EQUITY SUN-1 and “Use of Proceeds” on page S-16 of prospectus supplement.

Summary of Canadian Federal Income Tax Considerations

In the opinion of Blake, Cassels & Graydon LLP, our Canadian tax counsel, the following summary describes the principal Canadian federal income tax considerations under the Income Tax Act (Canada) and the regulations thereto (the “Canadian Tax Act”) generally applicable at the date hereof to a purchaser who acquires beneficial ownership of a note pursuant to this term sheet and who for the purposes of the Canadian Tax Act and at all relevant times: (a) is neither resident nor deemed to be resident in Canada; (b) deals at arm’s length with CIBC and any transferee resident (or deemed to be resident) in Canada to whom the purchaser disposes of the note; (c) does not use or hold and is not deemed to use or hold the note in, or in the course of, carrying on a business in Canada; (d) is entitled to receive all payments (including any interest and principal) made on the note; (e) is not a, and deals at arm’s length with any, “specified shareholder” of CIBC for purposes of the thin capitalization rules in the Canadian Tax Act; and (f) is not an entity in respect of which CIBC is a “specified entity” for purposes of the Hybrid Mismatch Proposals, as defined below (a “Non-Resident Holder”). For these purposes, a “specified shareholder” generally includes a person who (either alone or together with persons with whom that person is not dealing at arm’s length for the purposes of the Canadian Tax Act) owns or has the right to acquire or control or is otherwise deemed to own 25% or more of CIBC’s shares determined on a votes or fair market value basis, and an entity in respect of which CIBC is a “specified entity” generally includes (i) an entity that is a specified shareholder of CIBC (as defined above), (ii) an entity in which CIBC (either alone or together with entities with whom CIBC is not dealing at arm’s length for purposes of the Canadian Tax Act) owns or has the right to acquire or control or is otherwise deemed to own a 25% or greater equity interest, and (iii) an entity in which an entity described in (i) (either alone or together with entities with whom such entity is not dealing at arm’s length for purposes of the Canadian Tax Act) owns or has the right to acquire or control or is otherwise deemed to own a 25% or greater equity interest. Special rules which apply to non-resident insurers carrying on business in Canada and elsewhere are not discussed in this summary.

For greater certainty, this summary takes into account all specific proposals to amend the Canadian Tax Act publicly announced by or on behalf of the Minister of Finance (Canada) prior to the date hereof, including the proposals released on April 29, 2022 with respect to “hybrid mismatch arrangements” (the “Hybrid Mismatch Proposals”). This summary assumes that no amount paid or payable to a holder described herein will be the deduction component of a “hybrid mismatch arrangement” under which the payment arises within the meaning of proposed paragraph 18.4(3)(b) of the Canadian Tax Act contained in the Hybrid Mismatch Proposals. Investors should note that the Hybrid Mismatch Proposals are in consultation form, are highly complex, and there remains significant uncertainty as to their interpretation and application. There can be no assurance that the Hybrid Mismatch Proposals will be enacted in their current form, or at all.

This summary is supplemental to and should be read together with the description of material Canadian federal income tax considerations relevant to a Non-Resident Holder owning notes under “Material Income Tax Consequences—Canadian Taxation” in the accompanying prospectus and a Non-Resident Holder should carefully read that description as well.

This summary is of a general nature only and is not intended to be, nor should it be construed to be, legal or tax advice to any particular Non-Resident Holder. Non-Resident Holders are advised to consult with their own tax advisors with respect to their particular circumstances.

Based on Canadian tax counsel’s understanding of the Canada Revenue Agency’s administrative policies and having regard to the terms of the notes, interest payable on the notes should not be considered to be “participating debt interest” as defined in the Canadian Tax Act and accordingly, a Non-Resident Holder should not be subject to Canadian non-resident withholding tax in respect of amounts paid or credited or deemed to have been paid or credited by CIBC on a note as, on account of or in lieu of payment of, or in satisfaction of, interest.

Non-Resident Holders should consult their own advisors regarding the consequences to them of a disposition of the notes to a person with whom they are not dealing at arm’s length for purposes of the Canadian Tax Act.

Summary of U.S. Federal Income Tax Consequences

The following discussion is a brief summary of the material U.S. federal income tax considerations relating to an investment in the notes. The following summary is not complete and is both qualified and supplemented by, or in some cases supplements, the discussion entitled “U.S. Federal Income Tax Summary” in product supplement EQUITY SUN-1, which you should carefully review prior to investing in the notes.

The U.S. federal income tax considerations of your investment in the notes are uncertain. No statutory, judicial or administrative authority directly discusses how the notes should be treated for U.S. federal income tax purposes. In the opinion of our tax counsel, Mayer Brown LLP, it would generally be reasonable to treat the notes as prepaid cash-settled derivative contracts. Pursuant to the terms of the notes, you agree to treat the notes in this manner for all U.S. federal income tax purposes. If this treatment is respected, subject to the discussion in the product supplement concerning the potential application of the “constructive ownership” rules under Section 1260 of the Code, you should generally recognize capital gain or loss upon the sale, exchange, redemption or payment on maturity in an amount equal to the difference between the amount you receive at such time and the amount that you paid for your notes. Such gain or loss should generally be long-term capital gain or loss if you have held your notes for more than one year. Non-U.S. holders should consult the section entitled “U.S. Federal Income Tax Summary—Non-U.S. Holders” in product supplement EQUITY SUN-1.

The expected characterization of the notes is not binding on the U.S. Internal Revenue Service (the “IRS”) or the courts. Thus, it is possible that the IRS would seek to characterize your notes in a manner that results in tax consequences to you that are different from those described above or in the accompanying product supplement. Such alternate treatments could include a requirement that a holder accrue ordinary income over the life of the notes or treat all gain or loss at maturity as ordinary gain or loss. For a more detailed discussion of certain alternative characterizations with respect to your notes and certain other considerations with respect to your investment in the notes, you should consider the discussion set forth in “U.S. Federal Income Tax Summary” of the product supplement. We are not responsible for any adverse consequences that you may experience as a result of any alternative characterization of the notes for U.S. federal income tax or other tax purposes.

With respect to the discussion in the product supplement regarding “dividend equivalent” payments, the IRS has issued a notice that provides that withholding on dividend equivalent payments will not apply to specified ELIs that are not delta-one instruments and that are issued before January 1, 2025.

You should consult your tax advisor as to the tax consequences of such characterization and any possible alternative characterizations of the notes for U.S. federal income tax purposes. You should also consult your tax advisor concerning the U.S. federal income tax and other tax consequences of your investment in the notes in your particular circumstances, including the application of state, local or other tax laws and the possible effects of changes in federal or other tax laws.

Where You Can Find More Information

We have filed a registration statement (including a product supplement, a prospectus supplement and a prospectus) with the SEC for the offering to which this term sheet relates. Before you invest, you should read the Note Prospectus, including this term sheet, and the other documents that we have filed with the SEC, for more complete information about us and this offering. You may get these documents without cost by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, we, any agent, or any dealer participating in this offering will arrange to send you these documents if you so request by calling MLPF&S or BofAS toll-free at 1-800-294-1322.