Filed by AT&T Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: AT&T Corp. Commission File No. 001-01105 On June 6, 2002, AT&T distributed the following information: Remember To VOTE Your Shares Before The July 10 Annual Meeting APPROVE The Merger Agreement* The AT&T Comcast Charter* * Both proposals must be approved for the AT&T Comcast merger to move forward APPROVE The Reverse Stock Split The Consumer Services Tracking Stock [AT&T Logo]