EXHIBIT 99.11 STOCKHOLDERS RIGHTS AND CO-SALE AGREEMENT THIS STOCKHOLDERS RIGHTS AND CO-SALE AGREEMENT (this "Agreement"), dated as of October 15, 2002, between Leucadia National Corporation, a New York corporation ("Investor"), and WilTel...Stockholders Rights and Co-Sale Agreement • October 24th, 2002 • Wiltel Communications Group Inc • Telephone communications (no radiotelephone) • New York
