Transaction Details

Footnotes

Consists of a restricted stock award made pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan. The restricted stock shall vest in full on the earlier of (i) first anniversary of the grant date or (ii) the date of the next annual meeting which is at least fifty (50) weeks after the immediately preceding year's annual meeting. | Shares held by The McNamee Family Irrevocable Trust of 2020, for which the Reporting Person serves as trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. | Stock option granted pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan. | The options shall vest in full on the earlier of (i) first anniversary of the grant date or (ii) the date of the next annual meeting which is at least fifty (50) weeks after the immediately preceding year's annual meeting.