Exhibit 4(c) FIRST AMENDMENT FIRST AMENDMENT, dated as of January 31, 1997 (this "Amendment"), to the Amended and Restated Credit Agreement, dated as of April 19, 1996 (the "Credit Agreement"), among (a) MITCHELL MARKETING COMPANY, a Louisiana...Credit Agreement • April 2nd, 1998 • Mitchell Energy & Development Corp • Crude petroleum & natural gas • New York
