DATED AS OF MARCH 31, 1998 SUPPLEMENTING THE INDENTURE DATED AS OF MARCH 31, 1990First Supplemental Indenture • March 30th, 1999 • Williams Holdings of Delaware Inc • Crude petroleum & natural gas • New York
EXHIBIT 4(d) U.S. $1,400,000,000 AMENDED AND RESTATED CREDIT AGREEMENT Dated as of JANUARY 26, 1999Credit Agreement • March 30th, 1999 • Williams Holdings of Delaware Inc • Crude petroleum & natural gas • New York
MAPCO, INC.Third Supplemental Indenture • March 30th, 1999 • Williams Holdings of Delaware Inc • Crude petroleum & natural gas • New York
