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PLUG POWER INC

For the period ended Mar 31, 2026. Filed May 11, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 11, 2026

PLUG$1.50+3.4%Stored close · as of Nov 9, 2026

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Item 6. – Exhibits

3.1Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.1 to Plug Power Inc.’s Annual Report on Form 10-K filed on March 16, 2009 and incorporated by reference herein)
3.2Certificate of Amendment to Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.3 to Plug Power Inc.’s Annual Report on Form 10-K filed on March 16, 2009 and incorporated by reference herein)
3.3Second Certificate of Amendment of Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.1 to Plug Power Inc.’s Current Report on Form 8-K filed on May 19, 2011 and incorporated by reference herein)
3.4Third Certificate of Amendment of Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.1 to Plug Power Inc.’s Current Report on Form 8-K filed on July 25, 2014 and incorporated by reference herein)
3.5Certificate of Correction to Third Certificate of Amendment of Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.9 to Plug Power Inc.’s Annual Report on Form 10-K filed on March 10, 2017 and incorporated by reference herein)
3.6Fourth Certificate of Amendment of Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.1 to Plug Power Inc.’s Current Report on Form 8-K filed on June 30, 2017 and incorporated by reference herein)
3.7Fifth Certificate of Amendment of Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.7 to Plug Power Inc.’s Quarterly Report on Form 10-Q filed on August 5, 2021 and incorporated by reference herein)
3.8Sixth Certificate of Amendment of Amended and Restated Certificate of Incorporation of Plug Power Inc. (filed as Exhibit 3.1 to Plug Power Inc.’s Current Report on Form 8-K filed on February 13, 2026 and incorporated by reference herein)
3.9Certificate of Designations, Preferences and Rights of a Series of Preferred Stock of Plug Power Inc. classifying and designating the Series A Junior Participating Cumulative Preferred Stock. (filed as Exhibit 3.1 to Plug Power Inc.’s Registration Statement on Form 8-A filed on June 24, 2009 and incorporated by reference herein)
3.10Seventh Amended and Restated By-laws of Plug Power Inc. (filed as Exhibit 3.1 to Plug Power Inc.’s Current Report on Form 8-K filed on April 26, 2024 and incorporated by reference herein)
10.1*#†Executive Employment Agreement (Indefinite Term Employment Contract (Contrat de Travail à Durée Indéterminée)), dated as of March 30, 2021, between Plug Power Inc. and Benjamin Haycraft
10.2*#†Amendment No. 1 to Executive Employment Agreement, dated as of February 27, 2025, between Plug Power Inc. and Benjamin Haycraft
10.3*#†Amendment No. 2 to Executive Employment Agreement, dated as of May 11, 2026, between Plug Power Inc. and Benjamin Haycraft
10.4Purchase and Sale Agreement and Joint Escrow Instructions, dated as of February 24, 2026, by and among Plug Power Inc., Plug Project Holdings Co., LLC and Stream US Data Centers, LLC (filed as Exhibit 10.1 to Plug Power Inc.’s Current Report on Form 8-K filed on February 26, 2026 and incorporated by reference herein)
31.1*Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*Inline XBRL Instance Document
101.SCH*Inline XBRL Taxonomy Extension Schema Document
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*Inline XBRL Taxonomy Extension Labels Linkbase Document
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document
104*Cover Page Interactive Data File (embedded within the Inline XBRL document)
*Submitted electronically herewith.
#Indicates a management contract or any compensatory plan, contract or arrangement.
†Certain portions of this exhibit have been omitted pursuant to Item 601(a)(6) of Regulation S-K because the information is of the type that would constitute an unwarranted invasion of personal privacy. The Company hereby agrees to furnish supplementally an unredacted copy of the exhibit to the SEC upon request.
**Pursuant to Item 601(b)(32)(ii) of Regulation S-K, this certification is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.
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