{"url_path":"/sec/plug/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 — Exhibits**","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-11","source_url":"https://www.sec.gov/Archives/edgar/data/1093691/0001104659-26-058712-index.html","accession_number":"0001104659-26-058712","cik":"0001093691","ticker":"PLUG","issuer_name":"PLUG POWER INC","edgar_url":"https://www.sec.gov/Archives/edgar/data/1093691/0001104659-26-058712-index.html","primary_entity_key":"0001093691","primary_entity_name":"PLUG POWER INC"},"word_count":859,"has_tables":true,"body_markdown":"**Item 6 — Exhibits**\n\n​\n\n3.1\n\n[Amended 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)](https://www.sec.gov/Archives/edgar/data/1093691/000100329709000075/es3-1.htm)\n\n3.2\n\n[Certificate 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)](http://www.sec.gov/Archives/edgar/data/1093691/000100329709000075/es3-3.htm)\n\n3.3\n\n[Second 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)](http://www.sec.gov/Archives/edgar/data/1093691/000100329711000187/es3-1.htm)\n\n3.4\n\n[Third 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)](http://www.sec.gov/Archives/edgar/data/1093691/000100329714000359/ex3-1.htm)\n\n3.5\n\n[Certificate 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)](http://www.sec.gov/Archives/edgar/data/1093691/000155837017001631/plug-20161231ex39d83ea30.htm)\n\n3.6\n\n[Fourth 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)](http://www.sec.gov/Archives/edgar/data/1093691/000110465917042805/a17-15986_1ex3d1.htm)\n\n3.7\n\n[Fifth 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)](https://www.sec.gov/Archives/edgar/data/0001093691/000155837021010611/plug-20210630xex3d7.htm)\n\n3.8\n\n[Sixth 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)](https://www.sec.gov/Archives/edgar/data/1093691/000110465926014846/tm264582d11_ex3-1.htm)\n\n3.9\n\n[Certificate 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)](http://www.sec.gov/Archives/edgar/data/1093691/000109369109000048/exb31062409.htm)\n\n3.10\n\n[Seventh 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)](https://www.sec.gov/Archives/edgar/data/1093691/000110465924052453/tm2412662d1_ex3-1.htm)\n\n10.1*#†\n\n[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](plug-20260331xex10d1.htm)\n\n10.2*#†\n\n[Amendment No. 1 to Executive Employment Agreement, dated as of February 27, 2025, between Plug Power Inc. and Benjamin Haycraft](plug-20260331xex10d2.htm)\n\n10.3*#†\n\n[Amendment No. 2 to Executive Employment Agreement, dated as of May 11, 2026, between Plug Power Inc. and Benjamin Haycraft](plug-20260331xex10d3.htm)\n\n10.4\n\n[Purchase 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)](https://www.sec.gov/Archives/edgar/data/1093691/000110465926020476/tm267395d1_ex10-1.htm)\n\n31.1*\n\n[Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](plug-20260331xex31d1.htm)\n\n31.2*\n\n[Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002](plug-20260331xex31d2.htm)\n\n32.1**\n\n[Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](plug-20260331xex32d1.htm)\n\n32.2**\n\n[Certification pursuant to 18 U.S.C. Section 1350, adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002](plug-20260331xex32d2.htm)\n\n101.INS*\n\nInline XBRL Instance Document\n\n101.SCH*\n\nInline XBRL Taxonomy Extension Schema Document\n\n45\n\n[Table of Contents](#Toc)\n\n101.CAL*\n\nInline XBRL Taxonomy Extension Calculation Linkbase Document\n\n101.DEF*\n\nInline XBRL Taxonomy Extension Definition Linkbase Document\n\n101.LAB*\n\nInline XBRL Taxonomy Extension Labels Linkbase Document\n\n101.PRE*\n\nInline XBRL Taxonomy Extension Presentation Linkbase Document\n\n104*\n\nCover Page Interactive Data File (embedded within the Inline XBRL document)\n\n*\n\nSubmitted electronically herewith.\n\n#\n\nIndicates a management contract or any compensatory plan, contract or arrangement.\n\n†\n\nCertain 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.\n\n**\n\nPursuant 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.\n\n​\n\n46\n\n[Table of Contents](#Toc)\n\n**Signatures**\n\n​\n\nPursuant to requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.\n\n​\n\n​\n\n​\n\n​\n\n​\n\n**PLUG POWER INC.**\n\n​\n\n​\n\n​\n\nDate: May 11, 2026\n\nBy:\n\n/s/ Jose Luis Crespo\n\n​\n\n​\n\nJose Luis Crespo\n\n​\n\n​\n\nPresident, Chief Executive Officer and Director (Principal Executive Officer)\n\n​\n\n​\n\n​\n\nDate: May 11, 2026\n\nBy:\n\n/s/ Paul B. Middleton\n\n​\n\n​\n\nPaul B. Middleton\n\n​\n\n​\n\nChief Financial Officer and Chief Accounting Officer (Principal Financial Officer and Principal Accounting Officer)\n\n​\n\n​\n\n​\n\n47"}