June 2, 1999 WILLIAMS COMMUNICATIONS, INC. SENIOR CREDIT FACILITIES COMMITMENT LETTER Williams Communications, Inc. One Williams Center Tulsa, Oklahoma 74172 Attention: Ladies and Gentlemen: Williams Communications, Inc. ("you" or the "Borrower"), a...Commitment Letter • July 15th, 1999 • Williams Communications Group Inc • Telephone communications (no radiotelephone)
