Lime Rock Resources Promotes Jonathan Hickman to Chief Operating Officer

Houston, Texas — November 4, 2024 — Lime Rock Resources (“Lime Rock”), a Houston-based energy private equity firm focused on acquiring, operating, and improving producing oil and gas properties in the United States, is pleased to announce the promotion of Jonathan Hickman to Chief Operating Officer, effective immediately. Mr. Hickman previously served as Executive Vice President, Reserves and Land.

In his new role, Mr. Hickman will lead the firm’s capital projects, land management, and geological initiatives across all Lime Rock Resources funds. With over 20 years of experience in petroleum engineering, operations, and acquisitions, Mr. Hickman brings deep technical expertise and institutional knowledge to his new position.

“Jonathan’s promotion to COO is a reflection of his exceptional leadership, technical insight, and consistent contributions over his 18-year career with Lime Rock Resources,” said Eric Mullins, Co-Founder of Lime Rock Resources. “From engineering to strategy, Jonathan has played a pivotal role in nearly every phase of our company’s growth.”

Mr. Hickman joined Lime Rock Resources in 2006 as a Reservoir Engineer and has since held a range of senior roles including Asset Manager for the Permian Region, Director of Acquisitions and Divestitures, Chief Engineer, and Executive Vice President, Reserves and Land. His work has spanned acquisition engineering analysis, drilling strategy, and reserve evaluation, directly contributing to the firm’s strong performance and disciplined investment approach.

“Jonathan has earned the respect of our entire team through years of thoughtful leadership and hard work,” said Charlie Adcock, Co-Founder of Lime Rock Resources. “We are excited for him to take on this expanded role and confident he will continue to help guide Lime Rock toward continued operational and investment success.”

Prior to joining Lime Rock, Mr. Hickman held engineering roles at ExxonMobil, where he worked in both production and reservoir engineering. He holds a B.S. in Petroleum Engineering from Texas A&M University and an M.B.A. from the University of Texas at Austin.

About Lime Rock Resources
Founded in 2005, Lime Rock Resources is an energy-focused private equity firm that acquires, improves and operates producing oil and gas properties throughout the United States. Based in Houston, Lime Rock Resources applies a disciplined, long-term approach to asset ownership and optimization. Lime Rock Resources has built a strong track record of delivering returns to its investors by leveraging its technical and operational expertise. The firm is part of Lime Rock Management; a private equity investment platform focused on the energy sector. Since inception, Lime Rock Management has raised over $10.0 billion in private equity funds and affiliated co-investment vehicles. For more information, please visit www.limerockresources.com.