Common use of Additional Director Clause in Contracts

Additional Director. 18.1 So long as the Investors and their controlled affiliates beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) owned by the Investors or any controlled affiliate thereof are immediately exercisable) shares of Common Stock that satisfies the Ownership Threshold, the Investors will have the right, at any time on or after the First Closing Date, to direct the Company to appoint one person (the “Sarissa Designee”) to the Board of Directors (the “Board”) of the Company reasonably acceptable to the Board, it being understood and agreed that upon the exercise by the Investors of the right to appoint the Sarissa Designee, such Sarissa Designee shall be placed in the class of directors chosen by the Investors (so long as the Company maintains a staggered Board). Upon the exercise by the Investors of their rights set forth in this Section 18, the Company shall promptly thereafter expand the size of the Board by one seat and appoint the Sarissa Designee to fill the resulting vacancy. If, at any time following the appointment of any Sarissa Designee to the Board, such Sarissa Designee shall resign therefrom or be unable to serve on the Board, then the Investors, so long as they and their controlled affiliates beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) owned by the Investors or any controlled affiliate thereof are immediately exercisable) shares of Common Stock that satisfies the Ownership Threshold shall have the right to designate a replacement therefor and promptly following such designation, the Company shall cause such person to become a member of the Board as the Sarissa Designee. For purposes hereof, the “Ownership Threshold” will be deemed satisfied so long as the Investors and their controlled affiliates beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) have been converted into Common Stock) at least 4,635,878 shares of Common Stock (which amount shall be subject to adjustment for stock splits, combinations or similar actions).

Additional Director. 18.1 So long as the Investors and their controlled affiliates beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) owned by the Investors or any controlled affiliate thereof are immediately exercisable) shares of Common Stock that satisfies the Ownership Threshold, the Investors will have the right, at any time on or after the First Closing Date, to direct the Company to appoint one person (the “Sarissa Designee”) to the Board of Directors (the “Board”) of the Company reasonably acceptable to the Board, it being understood and agreed that upon the exercise by the Investors of the right to appoint the Sarissa Designee, such Sarissa Designee shall be placed in the class of directors chosen by the Investors (so long as the Company maintains a staggered Board). Upon the exercise by the Investors of their rights set forth in this Section 18, the Company shall promptly thereafter expand the size of the Board by one seat and appoint the Sarissa Designee to fill the resulting vacancy. If, at any time following the appointment of any Sarissa Designee to the Board, such Sarissa Designee shall resign therefrom or be unable to serve on the Board, then the Investors, so long as they and their controlled affiliates beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) owned by the Investors or any controlled affiliate thereof are immediately exercisable) shares of Common Stock that satisfies the Ownership Threshold shall have the right to designate a replacement therefor and promptly following such designation, the Company shall cause such person to become a member of the Board as the Sarissa Designee. For purposes hereof, the “Ownership Threshold” will be deemed satisfied so long as the Investors and their controlled affiliates beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) have been converted into Common Stock) at least 4,635,878 shares of Common Stock (which amount shall be subject to adjustment for stock splits, combinations or similar actions).

Additional Director. 18.1 So long The Stockholders and Plug Power agree that as soon as practicable following the Investors and their controlled affiliates beneficially own (as set forth in Rule 13d-3 final adjournment of the rules 2011 Annual Meeting (and regulations promulgated under the Exchange Act in no event later than June 30, 2011) but assuming that any convertible securities (including the Warrants and the Prior Warrants) owned by the Investors or any controlled affiliate thereof are immediately exercisable) shares of Common Stock that satisfies the Ownership Thresholdsubject to this Section 2, the Investors Board will have the right, at any time on or after the First Closing Date, to direct the Company to appoint one person (the “Sarissa Designee”) to the Board of Directors (the “Board”) of the Company reasonably acceptable to the Board, it being understood and agreed that upon the exercise by the Investors of the right to appoint the Sarissa Designee, such Sarissa Designee shall be placed in the class of directors chosen by the Investors (so long as the Company maintains a staggered Board). Upon the exercise by the Investors of their rights set forth in this Section 18, the Company shall promptly thereafter expand increase the size of the Board by one seat to seven (7) members and (i) appoint the Sarissa Designee a designee of INTER RXX to fill the resulting vacancynewly created directorship on the Board as a Class II director, whose term shall expire at Plug Power’s 2013 annual meeting of stockholders, and (ii) appoint a designee of INTER RXX to fill the newly created directorship on the Board as a Class III director, whose term shall expire at Plug Power’s 2014 annual meeting of stockholders (the individuals named in the foregoing clauses (i) and (ii), the “INTER RXX Designees”). IfPlug Power agrees that (x) upon expiration of the term of the Class II INTER RXX Designee, at any time following the appointment of any Sarissa Board shall re-nominate the individual serving as such Class II INTER RXX Designee to the Board, such Sarissa Designee shall resign therefrom (or be unable another individual designated by INTER RXX to serve on as such Class II INTER RXX Designee), but only if as of the Board, then date the Investors, so long as they and their controlled affiliates Board makes its nomination decisions the Stockholders beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) owned by the Investors or any controlled affiliate thereof are immediately exercisable) shares of Common Stock that satisfies representing at least 20% of the Ownership Threshold shall have total outstanding shares of Common Stock, and (y) upon expiration of the right to designate a replacement therefor and promptly following such designationterm of the Class III INTER RXX Designee, the Company Board shall cause re-nominate the individual serving as such person Class III INTER RXX Designee (or another individual designated by INTER RXX to become a member serve as such Class III INTER RXX Designee), provided that in the case of clause (y) the Board shall not be required to make such re-nomination if as of the date the Board as makes its nomination decisions either (A) (i) the Sarissa Designee. For purposes hereof, the “Ownership Threshold” will be deemed satisfied so long as the Investors and their controlled affiliates Stockholders beneficially own (as set forth in Rule 13d-3 of the rules and regulations promulgated under the Exchange Act but assuming that any convertible securities (including the Warrants and the Prior Warrants) have been converted into Common Stock) at least 4,635,878 shares of Common Stock representing at least 10% but less than 20% of the total outstanding shares of Common Stock and (which amount ii) there is at least one INTER RXX Designee then serving on the Board (other than such Class III INTER RXX Designee) or INTER RXX has the right to have at least one INTER RXX Designee serving on the Board (other than such Class III INTER RXX Designee) or (B) the Stockholders beneficially own shares of Common Stock representing less than 10% of the total outstanding shares of Common Stock. At such time as the INTER RXX Designees shall become directors of Plug Power, they shall agree in writing to be bound by the terms and conditions of all Plug Power policies applicable to directors. Notwithstanding the foregoing, a proposed INTER RXX Designee shall be subject to adjustment satisfaction of the criteria for stock splitsBoard membership established by the Plug Power Corporate Governance Guidelines, combinations including the director qualification criteria thereof, as determined in the reasonable and good faith discretion of the Corporate Governance and Nominating Committee and the Board in the same manner as the Corporate Governance and Nominating Committee and the Board would consider any candidate for Board membership. The Stockholders acknowledge and agree that for the first year of service as directors of Plug Power the INTER RXX Designees shall not be entitled to any compensation, regardless of form or similar actions)amount, or expense reimbursement for such service, and INTER RXX shall cause such INTER RXX designees to waive, in writing, any entitlement thereto prior to such INTER RXX Designees’ appointment or election to the Board.