EXHIBIT 99.7 CHANGES IN SECURITIES, USE OF PROCEEDS AND ISSUER PURCHASES OF EQUITY SECURITIES On April 14, 2004, and on April 26, 2004, we, as borrower, entered into Credit Agreements for, respectively, $400 million and $100 million with Citibank N.A....Credit Agreement • September 16th, 2004 • Williams Companies Inc • Natural gas transmission
