Board Moves.

Crescent Energy (NYSE: CRGY)

Appoints Marcus Rowland and Michael Duginski to the Board of Directors. Mr. Rowland is the Founder at IOG Capital and Mr. Duginski is the former CEO at Sentinel Peak Resources.

Plug Power (NASDAQ: PLUG)

Appoints Colin Angle to the Board of Directors. Mr. Angle is the former Chair of the Board and Chief Executive Officer at iRobot.

Tetra Technologies (NYSE: TTI)

Appoints John Douglas to the Board of Directors. Mr. Douglas is the former Chief Executive Officer at RPS plc.

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Helix Energy Solutions (NYSE: HLX)

Amerino Gatti resigns from the Board of Directors. Mr. Gatti is the former Chair of the Board and Chief Executive Officer at Team Inc.

Range Resources (NYSE: RRC)

Steven Gray retires from the Board of Directors. Mr. Gray is the former Co-Founder and Chief Executive Officer at RSP Permian.