JOINT FILING AGREEMENT The undersigned each agree that (i) the amendment to the Statement on Schedule 13D relating to the Common Stock, $0.01 par value, of Sheridan Energy, Inc. is adopted and filed on behalf of each of them, (ii) all future...Joint Filing Agreement • January 6th, 1999 • Enron Corp/Or/ • Wholesale-petroleum & petroleum products (no bulk stations)
