Quantum Energy Partners, Wayne Greenwalt and Jerry Crews Form EnergyQuest II, LLC to Acquire Texas and Louisiana Gulf Coast Assets

HOUSTON, TX -- (MARKET WIRE) -- April 25, 2007 -- Quantum Energy Partners IV, LP and affiliates ("Quantum") today announced that Quantum, Wayne Greenwalt ("Greenwalt"), Jerry Crews ("Crews") and fellow officers have formed EnergyQuest II, LLC ("EnergyQuest II" or the "Company") to acquire and exploit oil and gas properties primarily along the Gulf Coast of Texas and Louisiana, a region in which the Company's management team has extensive operating experience. EnergyQuest II will be led by Greenwalt and Crews, who have worked together since 2004. Prior to forming the Company, Greenwalt and Crews built EnergyQuest Resources, LP, a highly successful portfolio company of Quantum Energy Partners III, LP.

EnergyQuest II will focus on acquiring oil and natural gas properties with an enterprise value ranging from $25 million to $250 million and which contain existing production with upside re-completion potential or development drilling opportunities. Initial equity commitments from Quantum and the management team are in excess of $80 million with the option for additional equity infusions as required. Syndicated bank debt in addition to the equity commitments will enable EnergyQuest II to target and expeditiously close investment opportunities. EnergyQuest II's office is located at 15425 North Freeway, Suite 230, Houston, TX 77090. For more information on EnergyQuest II, please contact Wayne Greenwalt or Jerry Crews at (281) 875-6200.

Founded in 1998, Quantum is an investment firm specializing in the energy industry with over $3.2 billion in capital under management, of which $2.0 billion is in its family of private equity funds and $1.2 billion is in its direct property acquisition fund, Quantum Resources. Quantum primarily targets investments in the oil & gas sector, while also considering opportunities in the midstream, oil field service, coal, power, and alternative energy sectors. To learn more about partnering with Quantum Energy Partners, please contact either S. Wil VanLoh, Jr. or Alan L. Smith at (713) 225-4800 or visit Quantum's website at www.quantumep.com.

Contact Information: Contact: Wayne Greenwalt (281) 875-6200