EXHIBIT 10.3 ------------ [LOGO] PENN VIRGINIA OIL & GAS CORPORATION April 6, 2004 GMX Resources Inc. One Benham Place, Suite 600 9400 North Brodway Oklahoma City, Oklahoma 73114 Attention: Mr Kyle Kenworthy Re: Third Amendment to Participation...Third Amendment to Participation Agreement • September 14th, 2004 • GMX Resources Inc • Crude petroleum & natural gas
Contract Type FiledSeptember 14th, 2004 Company IndustryRe: Third Amendment to Participation Agreement (REVISED) Dated December 5, 2003 Blocker Prospect Harrison and Panola Counties, Texas