Names & Addresses

Pursuant to 18 CFR Section 358.4(b)(1)
Interim Order 690

The following is a list of Marketing Affiliates of Williams that conduct transportation transactions on Transcontinental Gas Pipe Line Corporation.

WILLIAMS GAS MARKETING , INC.*
P. O. BOX 2400
TULSA, OK 74102

* On November 16, 2007, Williams Power Company, Inc. changed its name to Williams Gas Marketing, Inc.

Williams Gas Marketing, Inc. is a marketing affiliate on its behalf and as agent for Transcontinental Gas Pipe Line Corporations, with regard to all gas merchant services provided by Transco's merchant unit.

Date Posted 11-29-2007