AGREEMENT AND PLAN OF MERGER among AT&T CORP., SBC COMMUNICATIONS INC. and TAU MERGER SUB CORPORATION Dated as of January 30, 2005Merger Agreement • January 31st, 2005 • SBC Communications Inc • Telephone communications (no radiotelephone) • New York
Contract Type FiledJanuary 31st, 2005 Company Industry JurisdictionAGREEMENT AND PLAN OF MERGER (hereinafter called this “Agreement”), dated as of January 30, 2005, among AT&T Corp., a New York corporation (the “Company”), SBC Communications Inc., a Delaware corporation (“Parent”), and Tau Merger Sub Corporation, a New York corporation and a wholly-owned subsidiary of Parent (“Merger Sub,” the Company and Merger Sub sometimes hereinafter being referred to together as the “Constituent Corporations”).