THE ADVISORY BOARD COMPANY

2005 STOCK INCENTIVE PLAN

1. Purpose

The purpose of The Advisory Board Company 2005 Stock Incentive Plan (the “Plan”) is to advance the interests of The Advisory Board Company (the “Company”) by stimulating the efforts of employees, officers and, to the extent provided by Section 5(d) and Section 5(e), non-employee directors and other service providers, in each case who are selected to be participants, by heightening the desire of such persons to continue in working toward and contributing to the success and progress of the Company. The Plan supersedes the Company’s 2001 Stock-Based Incentive Compensation Plan, 1997 Stock-Based Incentive Compensation Plan and Directors’ Stock Plan with respect to future awards, and provides for the grant of Incentive and Nonqualified Stock Options, Stock Appreciation Rights, Restricted Stock and Restricted Stock Units, any of which may be performance-based, and for Incentive Bonuses, which may be paid in cash or stock or a combination thereof, as determined by the Administrator.

2. Definitions

As used in the Plan, the following terms shall have the meanings set forth below:

(a) “Administrator” means the Administrator of the Plan in accordance with Section 18.

(b) “Award” means an Incentive Stock Option, Nonqualified Stock Option, Stock Appreciation Right, Restricted Stock, Restricted Stock Unit or Incentive Bonus granted to a Participant pursuant to the provisions of the Plan, any of which the Administrator may structure to qualify in whole or in part as a Performance Award.

(c) “Award Agreement” means a written agreement or other instrument as may be approved from time to time by the Administrator implementing the grant of each Award. An Agreement may be in the form of an agreement to be executed by both the Participant and the Company (or an authorized representative of the Company) or certificates, notices or similar instruments as approved by the Administrator.

(d) “Board” means the board of directors of the Company.

(e) “Code” means the Internal Revenue Code of 1986, as amended from time to time, and the rulings and regulations issues thereunder.

(f) “Company” means The Advisory Board Company, a Delaware corporation.

(g) “Incentive Bonus” means a bonus opportunity awarded under Section 9 pursuant to which a Participant may become entitled to receive an amount based on satisfaction of such performance criteria as are specified in the Award Agreement.

(h) “Incentive Stock Option” means a stock option that is intended to qualify as an “incentive stock option” within the meaning of Section 422 of the Code.

(i) “Nonemployee Director” means each person who is, or is elected to be, a member of the Board and who is not an employee of the Company or any Subsidiary.

(j) “Nonqualified Stock Option” means a stock option that is not intended to qualify as an “incentive stock option” within the meaning of Section 422 of the Code.

(k) “Option” means an Incentive Stock Option and/or a Nonqualified Stock Option granted pursuant to Section 6 of the Plan.

(l) “Participant” means any individual described in Section 3 to whom Awards have been granted from time to time by the Administrator and any authorized transferee of such individual.

(m) “Performance Award” means an Award, the grant, issuance, retention, vesting or settlement of which is subject to satisfaction of one or more Qualifying Performance Criteria established pursuant to Section 13.

(n) “Plan” means The Advisory Board Company 2005 Stock Incentive Plan as set forth herein and as amended from time to time.

(o) “Prior Plans” mean The Advisory Board Company 2001 Stock-Based Incentive Compensation Plan, The Advisory Board Company 1997 Stock-Based Incentive Compensation Plan and The Advisory Board Company Directors’ Stock Plan.

(p) “Qualifying Performance Criteria” has the meaning set forth in Section 13(b).

(q) “Restricted Stock” means Shares granted pursuant to Section 8 of the Plan.

(r) “Restricted Stock Unit” means an Award granted to a Participant pursuant to Section 8 pursuant to which Shares or cash in lieu thereof may be issued in the future.

(s) “Retirement” has the meaning specified by the Administrator in the terms of an Award Agreement or, in the absence of any such term, for Participants other than Nonemployee Directors shall mean retirement from active employment with the Company and its Subsidiaries (i) at or after age 55 and with the approval of the Administrator or (ii) at or after age 65. The determination of the Administrator as to an individual’s Retirement shall be conclusive on all parties.

(t) “Share” means a share of the Company’s common stock, par value $.01, subject to adjustment as provided in Section 12.

(u) “Stock Appreciation Right” means a right granted pursuant to Section 7 of the Plan that entitles the Participant to receive, in cash or Shares or a combination thereof, as determined by the Administrator, value equal to or otherwise based on the excess of (i) the market price of a specified number of Shares at the time of exercise over (ii) the exercise price of the right, as established by the Administrator on the date of grant.

(v) “Subsidiary” means any corporation (other than the Company) in an unbroken chain of corporations beginning with the Company where each of the corporations in the unbroken chain other than the last corporation owns stock possessing at least 50 percent or more of the total combined voting power of all classes of stock in one of the other corporations in the chain, and if specifically determined by the Administrator in the context other than with respect to Incentive Stock Options, may include an entity in which the Company has a significant ownership interest or that is directly or indirectly controlled by the Company.

(w) “Termination of employment” means ceasing to serve as a full-time employee of the Company and its Subsidiaries or, with respect to a service provider, ceasing to serve as such for the Company, except that with respect to all or any Awards held by a Participant (i) the Administrator may determine, subject to Section 6(d), that an approved leave of absence or approved employment on a less than full-time basis is not considered a “termination of employment,” (ii) the Administrator may determine that a transition of employment to service with a partnership, joint venture or corporation not meeting the requirements of a Subsidiary in which the Company or a Subsidiary is a party is not considered a “termination of employment,” (iii) service as a member of the Board shall constitute continued employment with respect to Awards granted to a Participant while he or she served as an employee and (iv) service as an employee of the Company or a Subsidiary shall constitute continued employment with respect to Awards granted to a Participant while he or she served as a member of the Board. The Administrator shall determine whether any corporate transaction, such as a sale or spin-off of a division or subsidiary that employs a Participant, shall be deemed to result in a termination of employment with the Company and its Subsidiaries for purposes of any affected Participant’s Options, and the Administrator’s decision shall be final and binding.

(x) “Total and Permanent Disablement” has the meaning specified by the Administrator in the terms of an Award Agreement or, in the absence of any such term or in the case of an Option intending to qualify as an Incentive Stock Option, the inability to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted or can be expected to last for a continuous period of not less than 12 months. The determination of the Administrator as to an individual’s Total and Permanent Disablement shall be conclusive on all parties.

3. Eligibility

Any person who is a current or prospective officer or employee (including any director who is also an employee, in his or her capacity as such) of the Company or of any Subsidiary shall be eligible for selection by the Administrator for the grant of Awards hereunder. To the extent provided by Section 5(d), any Nonemployee Director shall be eligible for the grant of Awards hereunder as determined by the Administrator. In addition, to the extent provided by Section 5(e), any service provider who has been retained to provide consulting, advisory or other services to the Company or to any Subsidiary shall be eligible for selection by the Administrator for the grant of Awards hereunder. Options intending to qualify as Incentive Stock Options may only be granted to employees of the Company or any Subsidiary within the meaning of the Code, as selected by the Administrator. For purposes of this Plan, the Chairman of the Board’s status as an employee shall be determined by the Administrator.

4. Effective Date and Termination of Plan

This Plan was adopted by the Board as of September 22, 2005, and it will become effective (the “Effective Date”) when it is approved by the Company’s stockholders. All Awards granted under this Plan are subject to, and may not be exercised before, the approval of this Plan by the stockholders prior to the first anniversary date of the effective date of the Plan, by the affirmative vote of the holders of a majority of the outstanding Shares of the Company present, or represented by proxy, and entitled to vote, at a meeting of the Company’s stockholders or by written consent in accordance with the laws of the State of Delaware; provided that if such approval by the stockholders of the Company is not forthcoming, all Awards previously granted under this Plan shall be void. The Plan shall remain available for the grant of Awards until the tenth (10th) anniversary of the Effective Date. Notwithstanding the foregoing, the Plan may be terminated at such earlier time as the Board may determine. Termination of the Plan will not affect the rights and obligations of the Participants and the Company arising under Awards theretofore granted and then in effect.

5. Shares Subject to the Plan and to Awards

(a) Aggregate Limits . The aggregate number of Shares issuable pursuant to all Awards shall not exceed 1,600,000, plus (i) any Shares that were authorized for issuance under the Prior Plans that, as of November 15, 2005, remain available for issuance under the Prior Plans (not including any Shares that are subject to, as of November 15, 2005, outstanding awards under the Prior Plans or any Shares that prior to November 15, 2005 were issued pursuant to awards granted under the Prior Plans) and (ii) any Shares subject to outstanding awards under the Prior Plans as of November 15, 2005 that on or after such date cease for any reason to be subject to such awards (other than by reason of exercise or settlement of the awards to the extent they are exercised for or settled in vested and nonforfeitable shares); provided that any Shares granted under Options or Stock Appreciation Rights shall be counted against this limit on a one-for-one basis and any Shares granted as Awards other than Options or Stock Appreciation Rights shall be counted against this limit as two (2) Shares for every one (1) Share subject to such Award. The aggregate number of Shares available for grant under this Plan and the number of Shares subject to outstanding Awards shall be subject to adjustment as provided in Section 12. The Shares issued pursuant to Awards granted under this Plan may be shares that are authorized and unissued or shares that were reacquired by the Company, including shares purchased in the open market.

(b) Issuance of Shares . For purposes of Section 5(a), the aggregate number of Shares issued under this Plan at any time shall equal only the number of Shares actually issued upon exercise or settlement of an Award. Notwithstanding the foregoing, Shares subject to an Award under the Plan may not again be made available for issuance under the Plan if such Shares are: (i) Shares that were subject to a stock-settled Stock Appreciation Right and were not issued upon the net settlement or net exercise of such Stock Appreciation Right, (ii) Shares used to pay the exercise price of a Stock Option, (iii) Shares delivered to or withheld by the Company to pay the withholding taxes related a Stock Option or a Stock Appreciation Right, or (iv) Shares repurchased on the open market with the proceeds of a Stock Option exercise. Shares subject to Awards that have been canceled, expired, forfeited or otherwise not issued under an Award and Shares subject to Awards settled in cash shall not count as Shares issued under this Plan.

(c) Tax Code Limits . The aggregate number of Shares subject to Awards granted under this Plan during any calendar year to any one Participant shall not exceed 500,000, which number shall be calculated and adjusted pursuant to Section 12 only to the extent that such calculation or adjustment will not affect the status of any Award intended to qualify as “performance based compensation” under Section 162(m) of the Code but which number shall not count any tandem SARs (as defined in Section 7). The aggregate number of Shares that may be issued pursuant to the exercise of Incentive Stock Options granted under this Plan shall not exceed 1,600,000, which number shall be calculated and adjusted pursuant to Section 12 only to the extent that such calculation or adjustment will not affect the status of any option intended to qualify as an Incentive Stock Option under Section 422 of the Code. The maximum amount payable pursuant to that portion of an Incentive Bonus granted in any calendar year to any Participant under this Plan that is intended to satisfy the requirements for “performance based compensation” under Section 162(m) of the Code shall not exceed five million dollars ($5,000,000).

(d) Director Awards . The aggregate number of Shares subject to Options and Stock Appreciation Rights granted under this Plan during any calendar year to any one Nonemployee Director shall not exceed 30,000, and the aggregate number of Shares issued or issuable under all Awards granted under this Plan other than Options or Stock Appreciation Rights during any calendar year to any one Nonemployee Director shall not exceed 15,000; provided, however, that in the calendar year in which a Nonemployee Director first joins the Board of Directors or is first designated as Chairman of the Board of Directors or Lead Director, the maximum number of shares subject to Awards granted to the Participant may be up to two hundred percent (200%) of the number of shares set forth in the foregoing limits and the foregoing limits shall not count any tandem SARs (as defined in Section 7).

(e) Awards to Service Providers . The aggregate number of Shares issued under this Plan pursuant to all Awards granted to service providers shall not exceed 100,000.

6. Options

(a) Option Awards . Options may be granted at any time and from time to time prior to the termination of the Plan to Participants as determined by the Administrator. No Participant shall have any rights as a stockholder with respect to any Shares subject to Option hereunder until said Shares have been issued, except that the Administrator may authorize dividend equivalent accruals with respect to such Shares. Each Option shall be evidenced by an Award Agreement. Options granted pursuant to the Plan need not be identical but each Option must contain and be subject to the terms and conditions set forth below.

(b) Price . The Administrator will establish the exercise price per Share under each Option, which, in no event will be less than the market value of the Shares on the date of grant; provided, however, that the exercise price per Share with respect to an Option that is granted in connection with a merger or other acquisition as a substitute or replacement award for options held by optionees of the acquired entity may be less than 100% of the market price of the Shares on the date such Option is granted if such exercise price is based on a formula set forth in the terms of the options held by such optionees or in the terms of the agreement providing for such merger or other acquisition. The exercise price of any Option may be paid in Shares, cash or a combination thereof, as determined by the Administrator, including an irrevocable commitment by a broker to pay over such amount from a sale of the Shares issuable under an Option, the delivery of previously owned Shares and withholding of Shares deliverable upon exercise.

(c) No Repricing . Other than in connection with a change in the Company’s capitalization (as described in Section 12) the exercise price of an Option may not be reduced without stockholder approval (including canceling previously awarded Options and regranting them with a lower exercise price).

(d) Provisions Applicable to Options . The date on which Options become exercisable shall be determined at the sole discretion of the Administrator and set forth in an Award Agreement. Unless provided otherwise in the applicable Award Agreement, to the extent that the Administrator determines that an approved leave of absence or employment on a less than full-time basis is not a Termination of employment, the vesting period and/or exercisability of an Option shall be adjusted by the Administrator during or to reflect the effects of any period during which the Participant is on an approved leave of absence or is employed on a less than full-time basis.

(e) Term of Options and Termination of Employment : The Administrator shall establish the term of each Option, which in no case shall exceed a period of seven (7) years from the date of grant. Unless an Option earlier expires upon the expiration date established pursuant to the foregoing sentence, upon the termination of the Participant’s employment, his or her rights to exercise an Option then held shall be only as follows, unless the Administrator specifies otherwise:

(1) Death . Upon the death of a Participant while in the employ of the Company or any Subsidiary or while serving as a member of the Board, all of the Participant’s Options then held shall be exercisable by his or her estate, heir or beneficiary at any time during the one (1) year period commencing on the date of death. Any and all of the deceased Participant’s Options that are not exercised during the one (1) year commencing on the date of death shall terminate as of the end of such one (1) year period.

If a Participant should die within thirty (30) days of his or her termination of employment with the Company and its Subsidiaries, an Option shall be exercisable by his or her estate, heir or beneficiary at any time during the one (1) year period commencing on the date of termination, but only to the extent of the number of Shares as to which such Option was exercisable as of the date of such termination. Any and all of the deceased Participant’s Options that are not exercised during the one (1) year period commencing on the date of termination shall terminate as of the end of such one (1) year period. A Participant’s estate shall mean his or her legal representative or other person who so acquires the right to exercise the Option by bequest or inheritance or by reason of the death of the Participant.

(2) Total and Permanent Disablement . Upon termination of employment as a result of the Total and Permanent Disablement of any Participant, all of the Participant’s Options then held shall be exercisable during the one (1) year period commencing on the date of termination. Any and all Options that are not exercised during the one (1) year period commencing on the date of termination shall terminate as of the end of such one (1) year period.

(3) Retirement . Upon Retirement of a Participant, the Participant’s Options then held shall be exercisable during the one (1) year period commencing on the date of Retirement. The number of Shares with respect to which the Options shall be exercisable shall equal the total number of Shares that were exercisable under the Participant’s Option on the date of his or her Retirement. Any and all Options that are not exercised during the one (1) year period commencing on the date of termination shall terminate as of the end of such one (1) year period.

(4) Other Reasons . Upon the date of a termination of a Participant’s employment for any reason other than those stated above in Sections 6(e)(1), (e)(2) and (e)(3) or as described in Section 15, (A) to the extent that any Option is not exercisable as of such termination date, such portion of the Option shall remain unexercisable and shall terminate as of such date, and (B) to the extent that any Option is exercisable as of such termination date, such portion of the Option shall expire on the earlier of (i) ninety (90) days following such date and (ii) the expiration date of such Option.

(f) Incentive Stock Options . Notwithstanding anything to the contrary in this Section 6, in the case of the grant of an Option intending to qualify as an Incentive Stock Option: (i) if the Participant owns stock possessing more than 10 percent of the combined voting power of all classes of stock of the Company (a “10% Shareholder”), the exercise price of such Option must be at least 110 percent of the fair market value of the Shares on the date of grant and the Option must expire within a period of not more than five (5) years from the date of grant, and (ii) termination of employment will occur when the person to whom an Award was granted ceases to be an employee (as determined in accordance with Section 3401(c) of the Code and the regulations promulgated thereunder) of the Company and its Subsidiaries. Notwithstanding anything in this Section 6 to the contrary, options designated as Incentive Stock Options shall not be eligible for treatment under the Code as Incentive Stock Options (and will be deemed to be Nonqualified Stock Options) to the extent that either (a) the aggregate fair market value of Shares (determined as of the time of grant) with respect to which such Options are exercisable for the first time by the Participant during any calendar year (under all plans of the Company and any Subsidiary) exceeds $100,000, taking Options into account in the order in which they were granted, or (b) such Options otherwise remain exercisable but are not exercised within three (3) months of Termination of employment (or such other period of time provided in Section 422 of the Code).

7. Stock Appreciation Rights

Stock Appreciation Rights may be granted to Participants from time to time either in tandem with or as a component of other Awards granted under the Plan (“tandem SARs”) or not in conjunction with other Awards (“freestanding SARs”) and may, but need not, relate to a specific Option granted under Section 6. The provisions of Stock Appreciation Rights need not be the same with respect to each grant or each recipient. Any Stock Appreciation Right granted in tandem with an Award may be granted at the same time such Award is granted or at any time thereafter before exercise or expiration of such Award. All freestanding SARs shall be granted subject to the same terms and conditions applicable to Options as set forth in Section 6 and all tandem SARs shall have the same exercise price, vesting, exercisability, forfeiture and termination provisions as the Award to which they relate. Subject to the provisions of Section 6 and the immediately preceding sentence, the Administrator may impose such other conditions or restrictions on any Stock Appreciation Right as it shall deem appropriate. Stock Appreciation Rights may be settled in Shares, cash or a combination thereof, as determined by the Administrator and set forth in the applicable Award Agreement. Other than in connection with a change in the Company’s capitalization (as described in Section 12) the exercise price of Stock Appreciation Rights may not be reduced without stockholder approval (including canceling previously awarded Stock Appreciation Rights and regranting them with a lower exercise price).

8. Restricted Stock and Restricted Stock Units

(a) Restricted Stock and Restricted Stock Unit Awards . Restricted Stock and Restricted Stock Units may be granted at any time and from time to time prior to the termination of the Plan to Participants as determined by the Administrator. Restricted Stock is an award or issuance of Shares the grant, issuance, retention, vesting and/or transferability of which is subject during specified periods of time to such conditions (including continued employment or performance conditions) and terms as the Administrator deems appropriate. Restricted Stock Units are Awards denominated in units of Shares under which the issuance of Shares is subject to such conditions (including continued employment or performance conditions) and terms as the Administrator deems appropriate. Each grant of Restricted Stock and Restricted Stock Units shall be evidenced by an Award Agreement. Unless determined otherwise by the Administrator, each Restricted Stock Unit will be equal to one Share and will entitle a Participant to either the issuance of Shares or payment of an amount of cash determined with reference to the value of Shares. To the extent determined by the Administrator, Restricted Stock and Restricted Stock Units may be satisfied or settled in Shares, cash or a combination thereof. Restricted Stock and Restricted Stock Units granted pursuant to the Plan need not be identical but each grant of Restricted Stock and Restricted Stock Units must contain and be subject to the terms and conditions set forth below.

(b) Contents of Agreement . Each Award Agreement shall contain provisions regarding (i) the number of Shares or Restricted Stock Units subject to such Award or a formula for determining such number, (ii) the purchase price of the Shares, if any, and the means of payment, (iii) the performance criteria, if any, and level of achievement versus these criteria that shall determine the number of Shares or Restricted Stock Units granted, issued, retainable and/or vested, (iv) such terms and conditions on the grant, issuance, vesting and/or forfeiture of the Shares or Restricted Stock Units as may be determined from time to time by the Administrator, (v) the term of the performance period, if any, as to which performance will be measured for determining the number of such Shares or Restricted Stock Units, and (vi) restrictions on the transferability of the Shares or Restricted Stock Units. Shares issued under a Restricted Stock Award may be issued in the name of the Participant and held by the Participant or held by the Company, in each case as the Administrator may provide.

(c) Vesting and Performance Criteria . The grant, issuance, retention, vesting and/or settlement of shares of Restricted Stock and Restricted Stock Units will occur when and in such installments as the Administrator determines or under criteria the Administrator establishes, which may include Qualifying Performance Criteria. The grant, issuance, retention, vesting and/or settlement of Shares under any such Award that is based on performance criteria and level of achievement versus such criteria will be subject to a performance period of not less than one (1) year, and the grant, issuance, retention, vesting and/or settlement of Shares under any Restricted Stock or Restricted Stock Unit Award that is based solely upon continued employment and/or the passage of time may not vest or be settled in full over a period of less than three (3) years but may be subject to pro-rata vesting over such period, except that the Administrator may provide for the satisfaction and/or lapse of all conditions under any such Award in the event of the Participant’s death, disability, Retirement or in connection with a change of control of the Company, and the Administrator may provide that any such restriction or limitation will not apply in the case of a Restricted Stock or Restricted Stock Unit Award that is issued in payment or settlement of compensation that has been earned by the Participant. Notwithstanding anything in this Plan to the contrary, the performance criteria for any Restricted Stock or Restricted Stock Unit that is intended to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code will be a measure based on one or more Qualifying Performance Criteria selected by the Administrator and specified when the Award is granted.

(d) Discretionary Adjustments and Limits . Subject to the limits imposed under Section 162(m) of the Code for Awards that are intended to qualify as “performance based compensation,” notwithstanding the satisfaction of any performance goals, the number of Shares granted, issued, retainable and/or vested under an Award of Restricted Stock or Restricted Stock Units on account of either financial performance or personal performance evaluations may, to the extent specified in the Award Agreement, be reduced by the Administrator on the basis of such further considerations as the Administrator shall determine.

(e) Voting Rights . Unless otherwise determined by the Administrator, Participants holding shares of Restricted Stock granted hereunder may exercise full voting rights with respect to those shares during the period of restriction. Participants shall have no voting rights with respect to Shares underlying Restricted Stock Units unless and until such Shares are reflected as issued and outstanding shares on the Company’s stock ledger.

(f) Dividends and Distributions . Participants in whose name Restricted Stock is granted shall be entitled to receive all dividends and other distributions paid with respect to those Shares, unless determined otherwise by the Administrator. The Administrator will determine whether any such dividends or distributions will be automatically reinvested in additional shares of Restricted Stock and subject to the same restrictions on transferability as the Restricted Stock with respect to which they were distributed or whether such dividends or distributions will be paid in cash. Shares underlying Restricted Stock Units shall be entitled to dividends or dividend equivalents only to the extent provided by the Administrator.

9. Incentive Bonuses

(a) General . Each Incentive Bonus Award will confer upon the Participant the opportunity to earn a future payment tied to the level of achievement with respect to one or more performance criteria established for a performance period of not less than one year.

(b) Incentive Bonus Document . The terms of any Incentive Bonus will be set forth in an Award Agreement. Each Award Agreement evidencing an Incentive Bonus shall contain provisions regarding (i) the target and maximum amount payable to the Participant as an Incentive Bonus, (ii) the performance criteria and level of achievement versus these criteria that shall determine the amount of such payment, (iii) the term of the performance period as to which performance shall be measured for determining the amount of any payment, (iv) the timing of any payment earned by virtue of performance, (v) restrictions on the alienation or transfer of the Incentive Bonus prior to actual payment, (vi) forfeiture provisions and (vii) such further terms and conditions, in each case not inconsistent with this Plan as may be determined from time to time by the Administrator.

(c) Performance Criteria . The Administrator shall establish the performance criteria and level of achievement versus these criteria that shall determine the target and maximum amount payable under an Incentive Bonus, which criteria may be based on financial performance and/or personal performance evaluations. The Administrator may specify the percentage of the target Incentive Bonus that is intended to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code. Notwithstanding anything to the contrary herein, the performance criteria for any portion of an Incentive Bonus that is intended by the Administrator to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code shall be a measure based on one or more Qualifying Performance Criteria (as defined in Section 13(b)) selected by the Administrator and specified at the time the Incentive Bonus is granted. The Administrator shall certify the extent to which any Qualifying Performance Criteria has been satisfied, and the amount payable as a result thereof, prior to payment of any Incentive Bonus that is intended to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code.

(d) Timing and Form of Payment . The Administrator shall determine the timing of payment of any Incentive Bonus. Payment of the amount due under an Incentive Bonus may be made in cash or in Shares, as determined by the Administrator. The Administrator may provide for or, subject to such terms and conditions as the Administrator may specify, may permit a Participant to elect for the payment of any Incentive Bonus to be deferred to a specified date or event.

(e) Discretionary Adjustments . Notwithstanding satisfaction of any performance goals, the amount paid under an Incentive Bonus on account of either financial performance or personal performance evaluations may, to the extent specified in the Award Agreement, be reduced by the Administrator on the basis of such further considerations as the Administrator shall determine.

10. Deferral of Gains

The Administrator may, in an Award Agreement or otherwise, provide for the deferred delivery of Shares upon settlement, vesting or other events with respect to Restricted Stock or Restricted Stock Units, or in payment or satisfaction of an Incentive Bonus. Notwithstanding anything herein to the contrary, in no event will any deferral of the delivery of Shares or any other payment with respect to any Award be allowed if the Administrator determines, in its sole discretion, that the deferral would result in the imposition of the additional tax under Section 409A(a)(1)(B) of the Code.

11. Conditions and Restrictions Upon Securities Subject to Awards

The Administrator may provide that the Shares issued upon exercise of an Option or Stock Appreciation Right or otherwise subject to or issued under an Award shall be subject to such further agreements, restrictions, conditions or limitations as the Administrator in its discretion may specify prior to the exercise of such Option or Stock Appreciation Right or the grant, vesting or settlement of such Award, including without limitation, conditions on vesting or transferability, forfeiture or repurchase provisions and method of payment for the Shares issued upon exercise, vesting or settlement of such Award (including the actual or constructive surrender of Shares already owned by the Participant) or payment of taxes arising in connection with an Award. Without limiting the foregoing, such restrictions may address the timing and manner of any resales by the Participant or other subsequent transfers by the Participant of any Shares issued under an Award, including without limitation (i) restrictions under an insider trading policy or pursuant to applicable law, (ii) restrictions designed to delay and/or coordinate the timing and manner of sales by Participant and holders of other Company equity compensation arrangements, (iii) restrictions as to the use of a specified brokerage firm for such resales or other transfers and (iv) provisions requiring Shares to be sold on the open market or to the Company in order to satisfy tax withholding or other obligations.

12. Adjustment of and Changes in the Stock

The number and kind of Shares available for issuance under this Plan (including under any Awards then outstanding), and the number and kind of Shares subject to the individual limits set forth in Section 5 of this Plan, may be adjusted by the Administrator as it determines appropriate to reflect any reorganization, reclassification, combination of shares, stock split, reverse stock split, spin-off, dividend or distribution of securities, property or cash (other than regular, quarterly cash dividends), or any other event or transaction that affects the number or kind of Shares of the Company outstanding. Such adjustment may be designed to comply with Section 425 of the Code or, except as otherwise expressly provided in Section 5(c) of this Plan, may be designed to treat the Shares available under the Plan and subject to Awards as if they were all outstanding on the record date for such event or transaction or to increase the number of such Shares to reflect a deemed reinvestment in Shares of the amount distributed to the Company’s securityholders. The terms of any outstanding Award may also be adjusted by the Administrator as to price, number or kind of Shares subject to such Award and other terms to reflect the foregoing events, which adjustments need not be uniform as between different Awards or different types of Awards.

In the event there shall be any other change in the number or kind of outstanding Shares, or any stock or other securities into which such Shares shall have been changed, or for which it shall have been exchanged, by reason of a change of control, other merger, consolidation or otherwise, then the Administrator shall, in its sole discretion, determine the appropriate adjustment, if any, to be effected. In addition, in the event of such change described in this paragraph, the Administrator may accelerate the time or times at which any Award may be exercised and may provide for cancellation of such accelerated Awards that are not exercised within a time prescribed by the Administrator in its sole discretion.

No right to purchase fractional shares shall result from any adjustment in Awards pursuant to this Section 12. In case of any such adjustment, the Shares subject to the Award shall be rounded down to the nearest whole share. The Company shall notify Participants holding Awards subject to any adjustments pursuant to this Section 12 of such adjustment, but (whether or not notice is given) such adjustment shall be effective and binding for all purposes of the Plan.

13. Qualifying Performance-Based Compensation

(a) General . The Administrator may establish performance criteria and level of achievement versus such criteria that shall determine the number of Shares to be granted, retained, vested, issued or issuable under or in settlement of or the amount payable pursuant to an Award, which criteria may be based on Qualifying Performance Criteria or other standards of financial performance and/or personal performance evaluations. In addition, the Administrator may specify that an Award or a portion of an Award is intended to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code, provided that the performance criteria for such Award or portion of an Award that is intended by the Administrator to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code shall be a measure based on one or more Qualifying Performance Criteria selected by the Administrator and specified at the time the Award is granted. The Administrator shall certify the extent to which any Qualifying Performance Criteria has been satisfied, and the amount payable as a result thereof, prior to payment, settlement or vesting of any Award that is intended to satisfy the requirements for “performance-based compensation” under Section 162(m) of the Code. Notwithstanding satisfaction of any performance goals, the number of Shares issued under or the amount paid under an award may, to the extent specified in the Award Agreement, be reduced by the Administrator on the basis of such further considerations as the Administrator in its sole discretion shall determine.

(b) Qualifying Performance Criteria . For purposes of this Plan, the term “Qualifying Performance Criteria” shall mean any one or more of the following performance criteria, either individually, alternatively or in any combination, applied to either the Company as a whole or to a business unit or Subsidiary, either individually, alternatively or in any combination, and measured either annually or cumulatively over a period of years, on an absolute basis or relative to a pre-established target, to previous years’ results or to a designated comparison group, in each case as specified by the Administrator: (i) cash flow (before or after dividends), (ii) earnings per share (including earnings before interest, taxes, depreciation and amortization), (iii) stock price, (iv) return on equity, (v) total stockholder return, (vi) return on capital (including return on total capital or return on invested capital), (vii) return on assets or net assets, (viii) market capitalization, (ix) economic value added, (x) debt leverage (debt to capital), (xi) revenue, (xii) income or net income, (xiii) operating income, (xiv) operating profit or net operating profit, (xv) operating margin or profit margin, (xvi) return on operating revenue, (xvii) cash from operations, (xviii) operating ratio, (xix) operating revenue, or (xx) customer service. To the extent consistent with Section 162(m) of the Code, the Administrator (A) shall appropriately adjust any evaluation of performance under a Qualifying Performance Criteria to eliminate the effects of charges for restructurings, discontinued operations, extraordinary items and all items of gain, loss or expense determined to be extraordinary or unusual in nature or related to the disposal of a segment of a business or related to a change in accounting principle all as determined in accordance with standards established by opinion No. 30 of the Accounting Principles Board (APA Opinion No. 30) or other applicable or successor accounting provisions, as well as the cumulative effect of accounting changes, in each case as determined in accordance with generally accepted accounting principles or identified in the Company’s financial statements or notes to the financial statements, and (B) may appropriately adjust any evaluation of performance under a Qualifying Performance Criteria to exclude any of the following events that occurs during a performance period: (i) asset write-downs, (ii) litigation, claims, judgments or settlements, (iii) the effect of changes in tax law or other such laws or provisions affecting reported results, (iv) accruals for reorganization and restructuring programs and (v) accruals of any amounts for payment under this Plan or any other compensation arrangement maintained by the Company.

14. Transferability

Each Award may not be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated by a Participant other than by will or the laws of descent and distribution, and each Option or Stock Appreciation Right shall be exercisable only by the Participant during his or her lifetime. Notwithstanding the foregoing, to the extent permitted by the Administrator, the person to whom an Award is initially granted (the “Grantee”) may transfer an Award to any “family member” of the Grantee (as such term is defined in Section 1(a)(5) of the General Instructions to Form S-8 under the Securities Act of 1933, as amended (“Form S-8”)), to trusts solely for the benefit of such family members and to partnerships in which such family members and/or trusts are the only partners; provided that, (i) as a condition thereof, the transferor and the transferee must execute a written agreement containing such terms as specified by the Administrator, and (ii) the transfer is pursuant to a gift or a domestic relations order to the extent permitted under the General Instructions to Form S-8. Except to the extent specified otherwise in the agreement the Administrator provides for the Grantee and transferee to execute, all vesting, exercisability and forfeiture provisions that are conditioned on the Grantee’s continued employment or service shall continue to be determined with reference to the Grantee’s employment or service (and not to the status of the transferee) after any transfer of an Award pursuant to this Section 14, and the responsibility to pay any taxes in connection with an Award shall remain with the Grantee notwithstanding any transfer other than by will or intestate succession.

15. Suspension or Termination of Awards

Except as otherwise provided by the Administrator, if at any time (including after a notice of exercise has been delivered or an award has vested) the Chief Executive Officer or any other person designated by the Administrator (each such person, an “Authorized Officer”) reasonably believes that a Participant may have committed an Act of Misconduct as described in this Section 15, the Authorized Officer, Administrator or the Board may suspend the Participant’s rights to exercise any Option, to vest in an Award, and/or to receive payment for or receive Shares in settlement of an Award pending a determination of whether an Act of Misconduct has been committed.

If the Administrator or an Authorized Officer determines a Participant has committed an act of embezzlement, fraud, dishonesty, nonpayment of any obligation owed to the Company or any Subsidiary, breach of fiduciary duty, violation of Company ethics policy or code of conduct, or deliberate disregard of the Company or Subsidiary rules resulting in loss, damage or injury to the Company or any Subsidiary, or if a Participant makes an unauthorized disclosure of any Company or Subsidiary trade secret or confidential information, solicits any employee or service provider to leave the employ or cease providing services to the Company or any Subsidiary, breaches any intellectual property or assignment of inventions covenant, engages in any conduct constituting unfair competition, breaches any non-competition agreement, induces any Company or Subsidiary customer to breach a contract with the Company or any Subsidiary or to cease doing business with the Company or any Subsidiary, or induces any principal for whom the Company or any Subsidiary acts as agent to terminate such agency relationship (any of the foregoing acts, an “Act of Misconduct”), then except as otherwise provided by the Administrator, (i) neither the Participant nor his or her estate nor transferee shall be entitled to exercise any Option or Stock Appreciation Right whatsoever, vest in or have the restrictions on an Award lapse, or otherwise receive payment of an Award, (ii) the Participant will forfeit all outstanding Awards and (iii) the Participant may be required, at the Administrator’s sole discretion, to return and/or repay to the Company any then unvested Shares previously issued under the Plan. In making such determination, the Administrator or an Authorized Officer shall give the Participant an opportunity to appear and present evidence on his or her behalf at a hearing before the Administrator or its designee or an opportunity to submit written comments, documents, information and arguments to be considered by the Administrator. Any dispute by a Participant or other person as to the determination of the Administrator shall be resolved pursuant to Section 23 of the Plan.

16. Compliance with Laws and Regulations

This Plan, the grant, issuance, vesting, exercise and settlement of Awards thereunder, and the obligation of the Company to sell, issue or deliver Shares under such Awards, shall be subject to all applicable foreign, federal, state and local laws, rules and regulations, stock exchange rules and regulations, and to such approvals by any governmental or regulatory agency as may be required. The Company shall not be required to register in a Participant’s name or deliver any Shares prior to the completion of any registration or qualification of such shares under any foreign, federal, state or local law or any ruling or regulation of any government body which the Administrator shall determine to be necessary or advisable. To the extent the Company is unable to or the Administrator deems it infeasible to obtain authority from any regulatory body having jurisdiction, which authority is deemed by the Company’s counsel to be necessary to the lawful issuance and sale of any Shares hereunder, the Company and its Subsidiaries shall be relieved of any liability with respect to the failure to issue or sell such Shares as to which such requisite authority shall not have been obtained. No Option shall be exercisable and no Shares shall be issued and/or transferable under any other Award unless a registration statement with respect to the Shares underlying such Option is effective and current or the Company has determined that such registration is unnecessary.

In the event an Award is granted to or held by a Participant who is employed or providing services outside the United States, the Administrator may, in its sole discretion, modify the provisions of the Plan or of such Award as they pertain to such individual to comply with applicable foreign law or to recognize differences in local law, currency or tax policy. The Administrator may also impose conditions on the grant, issuance, exercise, vesting, settlement or retention of Awards in order to comply with such foreign law and/or to minimize the Company’s obligations with respect to tax equalization for Participants employed outside their home country.

17. Withholding

To the extent required by applicable federal, state, local or foreign law, a Participant shall be required to satisfy, in a manner satisfactory to the Company, any withholding tax obligations that arise by reason of an Option exercise, disposition of Shares issued under an Incentive Stock Option, the vesting of or settlement of an Award, an election pursuant to Section 83(b) of the Code or otherwise with respect to an Award. The Company and its Subsidiaries shall not be required to issue Shares, make any payment or to recognize the transfer or disposition of Shares until such obligations are satisfied. The Administrator may provide for or permit these obligations to be satisfied through the mandatory or elective sale of Shares and/or by having the Company withhold a portion of the Shares that otherwise would be issued to him or her upon exercise of the Option or the vesting or settlement of an Award, or by tendering Shares previously acquired.

18. Administration of the Plan

(a) Administrator of the Plan . The Plan shall be administered by the Administrator who shall be the Compensation Committee of the Board or, in the absence of a Compensation Committee, the Board itself. Any power of the Administrator may also be exercised by the Board, except to the extent that the grant or exercise of such authority would cause any Award or transaction to become subject to (or lose an exemption under) the short-swing profit recovery provisions of Section 16 of the Securities Exchange Act of 1934 or cause an Award designated as a Performance Award not to qualify for treatment as performance-based compensation under Section 162(m) of the Code. To the extent that any permitted action taken by the Board conflicts with action taken by the Administrator, the Board action shall control. The Compensation Committee may by resolution authorize one or more officers of the Company to perform any or all things that the Administrator is authorized and empowered to do or perform under the Plan, and for all purposes under this Plan, such officer or officers shall be treated as the Administrator; provided, however, that the resolution so authorizing such officer or officers shall specify the total number of Awards (if any) such officer or officers may award pursuant to such delegated authority, and any such Award shall be subject to the form of Option agreement theretofore approved by the Compensation Committee. No such officer shall designate himself or herself as a recipient of any Awards granted under authority delegated to such officer. In addition, the Compensation Committee may delegate any or all aspects of the day-to-day administration of the Plan to one or more officers or employees of the Company or any Subsidiary, and/or to one or more agents.

(b) Powers of Administrator . Subject to the express provisions of this Plan, the Administrator shall be authorized and empowered to do all things that it determines to be necessary or appropriate in connection with the administration of this Plan, including, without limitation: (i) to prescribe, amend and rescind rules and regulations relating to this Plan and to define terms not otherwise defined herein; (ii) to determine which persons are Participants, to which of such Participants, if any, Awards shall be granted hereunder and the timing of any such Awards; (iii) to grant Awards to Participants and determine the terms and conditions thereof, including the number of Shares subject to Awards and the exercise or purchase price of such Shares and the circumstances under which Awards become exercisable or vested or are forfeited or expire, which terms may but need not be conditioned upon the passage of time, continued employment, the satisfaction of performance criteria, the occurrence of certain events (including events which the Board or the Administrator determine constitute a change of control), or other factors; (iv) to establish and verify the extent of satisfaction of any performance goals or other conditions applicable to the grant, issuance, exercisability, vesting and/or ability to retain any Award; (v) to prescribe and amend the terms of the agreements or other documents evidencing Awards made under this Plan (which need not be identical) and the terms of or form of any document or notice required to be delivered to the Company by Participants under this Plan; (vi) to determine whether, and the extent to which, adjustments are required pursuant to Section 12; (vii) to interpret and construe this Plan, any rules and regulations under this Plan and the terms and conditions of any Award granted hereunder, and to make exceptions to any such provisions in good faith and for the benefit of the Company; and (viii) to make all other determinations deemed necessary or advisable for the administration of this Plan.

(c) Determinations by the Administrator . All decisions, determinations and interpretations by the Administrator regarding the Plan, any rules and regulations under the Plan and the terms and conditions of or operation of any Award granted hereunder, shall be final and binding on all Participants, beneficiaries, heirs, assigns or other persons holding or claiming rights under the Plan or any Award. The Administrator shall consider such factors as it deems relevant, in its sole and absolute discretion, to making such decisions, determinations and interpretations including, without limitation, the recommendations or advice of any officer or other employee of the Company and such attorneys, consultants and accountants as it may select.

(d) Subsidiary Awards . In the case of a grant of an Award to any Participant employed by a Subsidiary, such grant may, if the Administrator so directs, be implemented by the Company issuing any subject Shares to the Subsidiary, for such lawful consideration as the Administrator may determine, upon the condition or understanding that the Subsidiary will transfer the Shares to the Participant in accordance with the terms of the Award specified by the Administrator pursuant to the provisions of the Plan. Notwithstanding any other provision hereof, such Award may be issued by and in the name of the Subsidiary and shall be deemed granted on such date as the Administrator shall determine.

19. Amendment of the Plan or Awards

The Board may amend, alter or discontinue this Plan and the Administrator may amend, or alter any agreement or other document evidencing an Award made under this Plan but, except as provided pursuant to the provisions of Section 12, no such amendment shall, without the approval of the stockholders of the Company:

(a) increase the maximum number of Shares for which Awards may be granted under this Plan;

(b) reduce the price at which Options may be granted below the price provided for in Section 6(a);

(c) reduce the exercise price of outstanding Options;

(d) extend the term of this Plan;

(e) change the class of persons eligible to be Participants;

(f) otherwise amend the Plan in any manner requiring stockholder approval by law or under the NASDAQ National Market listing requirements; or

(g) increase the individual maximum limits in Sections 5(c) and (d).

No amendment or alteration to the Plan or an Award or Award Agreement shall be made which would impair the rights of the holder of an Award, without such holder’s consent, provided that no such consent shall be required if the Administrator determines in its sole discretion and prior to the date of any change of control (as defined in the applicable Award Agreement) that such amendment or alteration either is required or advisable in order for the Company, the Plan or the Award to satisfy any law or regulation or to meet the requirements of or avoid adverse financial accounting consequences under any accounting standard.

20. No Liability of Company

The Company and any Subsidiary or affiliate which is in existence or hereafter comes into existence shall not be liable to a Participant or any other person as to: (i) the non-issuance or sale of Shares as to which the Company has been unable to obtain from any regulatory body having jurisdiction the authority deemed by the Company’s counsel to be necessary to the lawful issuance and sale of any Shares hereunder; and (ii) any tax consequence expected, but not realized, by any Participant or other person due to the receipt, exercise or settlement of any Award granted hereunder.

21. Non-Exclusivity of Plan

Neither the adoption of this Plan by the Board nor the submission of this Plan to the stockholders of the Company for approval shall be construed as creating any limitations on the power of the Board or the Administrator to adopt such other incentive arrangements as either may deem desirable, including without limitation, the granting of restricted stock or stock options otherwise than under this Plan or an arrangement not intended to qualify under Code Section 162(m), and such arrangements may be either generally applicable or applicable only in specific cases.

22. Governing Law

This Plan and any agreements or other documents hereunder shall be interpreted and construed in accordance with the laws of the Delaware and applicable federal law. Any reference in this Plan or in the agreement or other document evidencing any Awards to a provision of law or to a rule or regulation shall be deemed to include any successor law, rule or regulation of similar effect or applicability.

23. Arbitration of Disputes

In the event a Participant or other holder of an Award or person claiming a right under an Award or the Plan believes that a decision by the Administrator with respect to such person or Award was arbitrary or capricious, the person may request arbitration with respect to such decision. The review by the arbitrator shall be limited to determining whether the Participant or other Award holder has proven that the Administrator’s decision was arbitrary or capricious. This arbitration shall be the sole and exclusive review permitted of the Administrator’s decision. Participants, Award holders and persons claiming rights under an Award or the Plan explicitly waive any right to judicial review.

Notice of demand for arbitration shall be made in writing to the Administrator within thirty (30) days after the applicable decision by the Administrator. The arbitrator shall be selected by those members of the Board who are neither members of the Compensation Committee of the Board nor employees of the Company or any Subsidiary. If there are no such members of the Board, the arbitrator shall be selected by the Board. The arbitrator shall be an individual who is an attorney licensed to practice law in the jurisdiction in which the Company’s headquarters are then located. Such arbitrator shall be neutral within the meaning of the Commercial Rules of Dispute Resolution of the American Arbitration Association; provided, however, that the arbitration shall not be administered by the American Arbitration Association. Any challenge to the neutrality of the arbitrator shall be resolved by the arbitrator whose decision shall be final and conclusive. The arbitration shall be administered and conducted by the arbitrator pursuant to the Commercial Rules of Dispute Resolution of the American Arbitration Association. Each side shall bear its own fees and expenses, including its own attorney’s fees, and each side shall bear one half of the arbitrator’s fees and expenses. The decision of the arbitrator on the issue(s) presented for arbitration shall be final and conclusive and may be enforced in any court of competent jurisdiction.

24. No Right to Employment, Reelection or Continued Service

Nothing in this Plan or an Award Agreement shall interfere with or limit in any way the right of the Company, its Subsidiaries and/or its affiliates to terminate any Participant’s employment, service on the Board or service for the Company at any time or for any reason not prohibited by law, nor shall this Plan or an Award itself confer upon any Participant any right to continue his or her employment or service for any specified period of time. Neither an Award nor any benefits arising under this Plan shall constitute an employment contract with the Company, any Subsidiary and/or its affiliates. Subject to Sections 4 and 19, this Plan and the benefits hereunder may be terminated at any time in the sole and exclusive discretion of the Board without giving rise to any liability on the part of the Company, its Subsidiaries and/or its affiliates.

25. Unfunded Plan

The Plan is intended to be an unfunded plan. Participants are and shall at all times be general creditors of the Company with respect to their Awards. If the Administrator or the Company chooses to set aside funds in a trust or otherwise for the payment of Awards under the Plan, such funds shall at all times be subject to the claims of the creditors of the Company in the event of its bankruptcy or insolvency.