Adamas Energy appoints Chris Washburn as Chief Financial Officer. July 15, 2026 Leadership Adamas Energy has named Chris Washburn - former Vice President & Chief Accounting Officer of Pioneer Natural Resources - as Chief Financial Officer, succeeding the retiring Don McClure. DALLAS, July 15, 2026 - Adamas Energy LLC ("Adamas") today announced that Chris Washburn has been appointed as Chief Financial Officer ("CFO"). Washburn served as Vice President & Chief Accounting Officer of Pioneer Natural Resources, holding progressively senior roles during his 20-year tenure with the company. He oversaw Pioneer's accounting function and was instrumental in strategic initiatives across M&A, capital markets activity and technology systems implementation. Washburn joins Adamas from Embark, a financial consulting and advisory firm, where he was a leader in its Energy & Infrastructure Practice. He earned his bachelor's and master's degrees in accounting from West Texas A&M University and is a Certified Public Accountant. "Chris brings exceptional financial expertise that complements our disciplined approach to decision-making and risk management. He is a deeply respected leader in our industry, and I am confident in his ability to build on our organization's already strong financial foundation as we enter our next phase," said Gordon Huddleston, Adamas President & Chief Executive Officer. "I'm honored to join Adamas at an important time for the company and global energy markets. I look forward to continuing our momentum as we deliver value for our stakeholders," said Chris Washburn, incoming Adamas CFO. Outgoing CFO Don McClure retired on June 9, 2026, after almost 11 years with the organization. He will serve in an interim advisory role to ensure a successful transition. "Don has been a trusted partner and steadfast leader. His integrity, judgment and commitment have positioned Adamas for continued success. We thank him for his dedication and wish him the best as he enjoys his retirement," Huddleston said. About Adamas Energy. Adamas Energy is a premier independent upstream and midstream operator with one of the largest natural gas positions in the Haynesville Shale. Adamas is headquartered in Dallas, with operations in Louisiana, Texas, and Wyoming. Forward-Looking Statements: This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 (U.S.) and in accordance with Japan's Financial Instruments and Exchange Act (金融商品取引法) Article 15-2 guidance. These statements involve known and unknown risks, uncertainties, and other factors that may cause actual results to differ materially from expected results. Such statements are based on current expectations and assumptions that are subject to change. Adamas Energy undertakes no obligation to update any forward-looking statement.

TIPRO presents Energy Icon Award to Pioneer founder scott Sheffield. Scott Sheffield, former chairman, CEO and founder of Pioneer Natural Resources, received the inaugural TIPRO Energy Icon Award at the 80th annual convention of Texas Independent Producers and Royalty Owners Association today in Houston. TIPRO said, "His role in the shale revolution didn't just boost an industry. It helped to secure American energy independence." Sheffield's career of almost five decades includes "founding Pioneer and growing it into the largest producer in Texas, helping unlock the full potential of the Permian Basin, and playing a key role in the shale revolution." Speakers at the convention March 30-31 included Sheffield, Governor Greg Abbott, Senator Ted Cruz and Danny Wesson, executive vice president and COO of Midland's Diamondback Energy.