EXHIBIT 4.5 FIRST AMENDMENT TO CREDIT AGREEMENT This First Amendment to Credit Agreement (this "Amendment") is entered into as of the 29th day of November, 1995, among The Wiser Oil Company, a Delaware corporation ("Wiser U.S."), The Wiser Oil Company...Credit Agreement • June 13th, 1997 • Wiser Marketing Co • Crude petroleum & natural gas • Texas
ANDWiser Marketing Co • June 13th, 1997 • Crude petroleum & natural gas • New York
May 20, 1997Wiser Marketing Co • June 13th, 1997 • Crude petroleum & natural gas • Texas
GUARANTYGuaranty • June 13th, 1997 • Wiser Marketing Co • Crude petroleum & natural gas • Texas
EXHIBIT 4.3 =================================== REGISTRATION AGREEMENT Dated as of May 21, 1997Registration Agreement • June 13th, 1997 • Wiser Marketing Co • Crude petroleum & natural gas • New York
