May 21, 2008 Gastar Exploration USA, Inc. Houston, Texas 77010 and Vinson & Elkins First City Tower Suite 2500 Houston, TX 77002-6760 Ladies and Gentlemen:Gastar Exploration New South Wales, Inc. • May 21st, 2008 • Crude petroleum & natural gas
Re: Note Indenture dated as of November 29, 2007 (the “Note Indenture”) by and among Gastar Exploration USA, Inc. (“Gastar”), a Michigan corporation, Gastar Exploration Ltd., an Alberta corporation (the “Parent”), the other guarantors party thereto, and Wells Fargo Bank, National Association, as trustee and collateral agent (the “Agent”), providing for the issuance of 12.75% senior secured notes of Gastar in the aggregate principal amount of US$100,000,000 (the “Notes”).
