ERock EROC

Sameer Reddy has served as a member of the ER Holdings board of managers since 2017 and is expected to serve as one of our directors upon completion of this offering. He is a Partner at EIP, a global investment firm focused on energy transition technologies and our Sponsor, which he joined in December 2015. In January 2022, Mr. Reddy was elevated to Managing Partner of EIP. Mr. Reddy has over 15 years of experience in energy transition and climate technology. He oversees the Energy Impact Fund's Flagship strategy. Prior to EIP, Mr. Reddy spent five years at Evercore, where he advised clients on M&A transactions, and three years at GE Capital's energy venture capital group focusing on industrial and clean tech investing. Mr. Reddy has a dual degree in Finance and Economics from the University of Florida.

Lindsay Luger is a Co-Founder of EIP, a global investment firm focused on energy transition technologies and our Sponsor, where she has served as Partner since October 2015. Ms. Luger has over a decade of experience investing in energy technology companies and serves on the boards of directors of several EIP portfolio companies. Prior to joining EIP, Ms. Luger served as Vice President of Digital Power Capital from 2012 to 2015 and Vice President of Wexford Capital from 2007 to 2012, where she developed expertise across all aspects of technology investing, including deal sourcing, analysis, due diligence, transaction structuring and portfolio oversight. She holds a Bachelor of Arts in Psychology from Columbia University.

Hans Kobler has served as a member of the ER Holdings board of managers since December 2024 and is expected to serve as one of our directors upon completion of this offering. He has served as Founder and a Managing Partner of Energy Impact Partners LP (EIP), a global investment firm focused on energy transition technologies and our Sponsor, since June 2014. Mr. Kobler is a 25-year veteran of energy and climate technology investing. He started his career as a management consultant at Bain & Company before leading the energy technology group at GE Equity, General Electric's venture capital arm. Mr. Kobler went on to found and serve as Chief Executive Officer of Digital Power Capital, a venture capital fund focused on advanced power technologies. He also built and led ICx Technologies, a leading sensor technology company targeting security, transportation, and energy, which went public on Nasdaq in 2007. Mr. Kobler holds a Master of Aerospace Engineering from the Technical University of Munich, an MBA from the University of Texas at Austin, and attended the INSEAD MBA (SS) program.

Dan Brouillette has served as a member of the ER Holdings board of managers since June 2025 and is expected to serve as one of our directors upon completion of this offering. He currently serves as Partner and Co-Chair of the Torridon Group, a strategic advisory firm based in Washington, D.C. From October 2023 to January 2025, he served as Chief Executive Officer and President of the Edison Electric Institute, a trade association representing investor-owned electric utility companies. From January 2021 to October 2023, he served as President of Sempra Infrastructure, a multinational firm specializing in the construction and operation of liquefied natural gas (LNG) export terminals, pipeline networks, and renewable electricity generation facilities. Mr. Brouillette served as the 15th United States Secretary of Energy from December 2019 to January 2021 and previously served as Deputy Secretary of Energy from 2017 to 2019. Prior to his government service, Mr. Brouillette spent more than a decade working as a C-suite executive at the United States Automobile Association and Ford Motor Company. Mr. Brouillette holds a Bachelor of Science degree in Economics from the University of Maryland, an MBA from Tulane University and an MA in Intelligence and National Security from The Citadel.

Mark Patterson has served as a member of the ER Holdings board of managers since June 2025 and is expected to serve as one of our directors upon completion of this offering. He is a former investment banker and seasoned board director who has served as President of his own advisory firm, MRP Holdings LLC, since 2009. Mr. Patterson also currently serves as a Senior Advisor at Rockefeller Capital Management. He previously held senior leadership roles at Merrill Lynch, including Managing Director and Global Head of Real Estate Investment Banking, and Citigroup, where he served as Global Head of Real Estate Investment Banking. Mr. Patterson currently serves on the board of directors of Digital Realty Trust, Inc. (NYSE: DLR), Americold Realty Trust, Inc. (NYSE: COLD) and UDR, Inc. (NYSE: UDR). He served on the board of directors of Paramount Group, Inc. (formerly listed on the NYSE) from May 2018 until its acquisition in December 2025. He holds a Bachelor of Business Administration from the College of William and Mary and an MBA from the Darden School of Business at the University of Virginia.

Charles Boynton is expected to serve as one of our directors upon completion of this offering. He has served as Chief Financial Officer of Nextpower Inc. (Nasdaq: NXT, and formerly known as Nextracker Inc.), a leading provider of intelligent power generation technology and solutions for solar power plants, since May 2024. Prior to his appointment, Mr. Boynton served on Nextpower's board of directors, where he served as chair of the audit committee, from February of 2023 until March 2024. Mr. Boynton has more than 30 years of finance and accounting experience, as well as significant experience in the solar industry. Prior to joining Nextpower, Mr. Boynton served as the Chief Financial Officer at Logitech, a global provider of personal computer and mobile accessories from February 2023 to May 2024. He also served as Executive Vice President and Chief Financial Officer at Poly, a global provider of premium audio, video, and collaboration products and software from March 2019 until its acquisition by HP Inc. in October 2022. From June 2010 to July 2018, Mr. Boynton served as Executive Vice President and Chief Financial Officer of SunPower Corporation, a U.S. solar technology and services provider, and from June 2015 to June 2018, he served as the Chief Executive Officer of 8point3 Energy Partners, a U.S. growth-oriented solar energy partnership. Prior to 8point3, he served as the Chief Financial Officer of other public and private companies. Mr. Boynton holds a Bachelor of Science degree in Accounting from the Kelley School of Business at Indiana University, Bloomington and an MBA in Finance and International Business from the Northwestern University Kellogg School of Management.

Tony Satterthwaite is expected to serve as one of our directors upon completion of this offering. He is a retired executive who held various roles with Cummins, Inc. from 1998 through 2024, including serving as Senior Vice President responsible for information technology, digital and transformation from August 2022 through September 2024, Vice Chairman from March 2021 to July 2022, and President and Chief Operating Officer from October 2019 to March 2021. He previously served as President of each of Cummins's Distribution and Power Generation businesses units. Mr. Satterthwaite has extensive experience in global industrial technology manufacturing and power generation, including senior leadership roles overseeing large-scale operations and technology-driven businesses. Mr. Satterthwaite currently serves on the board of directors of Amprius Technologies, Inc. (NYSE: AMPX) and The Chemours Company (NYSE: CC), where he is chair of the compensation and leadership development committee. He previously served on the board of directors of IDEX Corporation (NYSE: IEX) from 2011 to 2025, where he was chair of the compensation committee from 2015 to 2022, and Atmus Filtration Technologies Inc. (NYSE: ATMU) from 2022 to 2024. Mr. Satterthwaite holds a Bachelor of Science in Civil Engineering from Cornell University and an MBA from Stanford University.

Corey Amthor has served on the ER Holdings board of managers since November 2014 and as ER Holdings' President since March 2020. Mr. Amthor has served as President of ERock, Inc. since January 2026. Mr. Amthor also served as ER Holdings' interim Chief Executive Officer from June 2025 to December 2025 and as its Chief Financial Officer from June 2024 to June 2025. Prior to joining ER Holdings in 2014, Mr. Amthor held senior roles at Calpine, ConAgra, DuPont/Conoco, and Statoil. Mr. Amthor holds a Bachelor of Science in Agricultural Economics and an MBA from the University of Missouri.

Davis Zapffe has served as ER Holdings' General Counsel and Secretary since May 2025 and as General Counsel and Secretary of ERock, Inc. since January 2026. From March 2024 to November 2024, he served as General Counsel of Arkon Energy, a digital infrastructure company, where he led all legal aspects of corporate transactions, including regulatory and governance functions. From August 2021 to November 2023, he served as the General Counsel of Argo Blockchain, a bitcoin mining and technology company, where he played a leading role in that company's successful initial public offering on the Nasdaq and managed all of the company's legal, regulatory and corporate governance functions. From September 2017 to September 2021, he served as Senior Counsel at Oasis Petroleum, a hydrocarbon exploration and hydraulic fracturing company, where he advised on energy development, midstream, upstream, and oil and gas legal matters. Mr. Zapffe began his legal career as an Associate Attorney at Vinson & Elkins LLP. Mr. Zapffe holds a Bachelor of Science in Electrical Engineering from the University of Texas at Austin and a Juris Doctor from the University of Houston.

Paul Froutan has served as ER Holdings' Chief Operating Officer since February 2024 and on the ER Holdings board of managers since May 2025. Mr. Froutan has served as Chief Operating Officer of ERock, Inc. since January 2026. From May 2022 to February 2024, he served as ER Holdings' Chief Technology Officer. Prior to joining ER Holdings, Mr. Froutan served as Chief Financial Officer at Xenex Disinfection Services, a San Antonio, Texas-based developer and provider of ultraviolet light-based disinfection technologies for healthcare and other commercial environments, from January 2012 to September 2021. At Xenex, he also held the position of Chief Operating Officer from January 2012 to September 2020. Before Xenex, Mr. Froutan led Google's Global Data Center Operations, overseeing the design, construction, and management of its worldwide data centers and server infrastructure. Mr. Froutan holds a Bachelor of Science in Mechanical Engineering and an MBA from the University of Texas at Austin.

John Carrington has served as Chief Executive Officer of ER Holdings since November 2025 and as Chairman of the ER Holdings board of managers since June 2025. Mr. Carrington has served as Chief Executive Officer and a director of ERock, Inc. since January 2026. Previously, from December 2013 through December 2024, Mr. Carrington served as Chief Executive Officer and a member of the board of directors of Stem, Inc., a NYSE-listed provider of AI-driven clean energy software and services. Prior to joining Stem, Mr. Carrington served as Chief Executive Officer of MiaSole, Inc., a manufacturer of thin-film photovoltaic solar panels, through its sale to Hanergy in December 2012. Earlier in his career, Mr. Carrington worked at First Solar and spent over 16 years at General Electric Company, where he held leadership roles across product management, manufacturing, sales and international operations, including four years leading commercial and marketing activities in Japan. Mr. Carrington holds a Bachelor of Arts in Marketing and Economics from the University of Colorado, Boulder.

Ian Blakely has served as ER Holdings' Chief Financial Officer since June 2025, a role he previously held from October 2014 to April 2020. Mr. Blakely has served as Chief Financial Officer of ERock, Inc. since January 2026. Since joining ER Holdings in 2015, Mr. Blakely has held roles of increasing responsibility, including serving as ER Holdings' Chief Strategy Officer from May 2022 to June 2025 and as Chief Technology Officer and Executive Vice President of Asset Management from April 2020 to May 2022. Before joining the Company, Mr. Blakely worked with venture capital and private equity funds specializing in energy, supporting teams in developing, commercializing and scaling technology businesses. Mr. Blakely holds a Bachelor of Science in Economics from Duke University and an MBA from MIT's Sloan School of Management.