SECOND AMENDMENT TO TAX SHARING AGREEMENT EFFECTIVE JANUARY 1, 1997 This SECOND AMENDMENT TO THE TAX SHARING AGREEMENT (this "Second Amendment") is made and entered into as of January 1, 1997 by and among ATLANTIC RICHFIELD COMPANY, a Delaware...Tax Sharing Agreement • May 1st, 1997 • Vastar Resources Inc • Crude petroleum & natural gas • Texas
