Filed by Comcast Corporation 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. 1-1105

                                        Date: January 9, 2001

         The following press release was issued by Comcast Corporation:

[COMCAST LOGO]                                                    PRESS RELEASE

                         COMCAST TO HOST FOURTH QUARTER
                       AND YEAR-END 2001 CONFERENCE CALL

Philadelphia, PA - January 9, 2002 - Comcast Corporation will host a conference
call with the financial community to discuss its fourth quarter and year-end
2001 financial results on Wednesday, February 6, 2002 at 10:30 a.m. Eastern
Time (ET). Comcast will issue a press release reporting its results earlier
that morning.

The conference call will be broadcast live via the Internet at A
recording of the call will be available on the Company's website from 12:30
p.m. Eastern Time (ET) on February 6, 2002 through midnight Eastern Time (ET)
on February 13, 2002.

Those parties interested in participating via telephone should dial (847)
413-3237. A telephone replay will begin immediately following the call until
February 7, 2002 at midnight Eastern Time (ET). To access the rebroadcast,
please dial (630) 652-3000 and enter code 5254738.

To automatically receive Comcast financial news by email, please visit and subscribe to Email Alerts.

Comcast Corporation ( is principally involved in the
development, management and operation of broadband cable networks, and in the
provision of electronic commerce and programming content. Comcast Cable is the
third largest cable company in the United States serving more than 8.4 million
cable subscribers. Comcast's commerce and content businesses include majority
ownership of QVC, Comcast-Spectacor, Comcast SportsNet, The

Golf Channel and Outdoor Life Network, a controlling interest in E! Networks,
and other programming investments.

Comcast's Class A Special and Class A Common Stock are traded on the Nasdaq
Stock Market under the symbols CMCSK and CMCSA, respectively.


   Note: The following notice is included to meet certain legal requirements:

                           FORWARD-LOOKING STATEMENTS

     The enclosed information contains forward-looking statements within the
meaning of the "safe harbor" provisions of the United States Private Securities
Litigation Reform Act of 1995. Investors are cautioned that such
forward-looking statements with respect to revenues, earnings, performance,
strategies, prospects and other aspects of the business of Comcast Corporation
("Comcast") are based on current expectations that are subject to risks and
uncertainties. A number of factors could cause actual results or outcomes to
differ materially from those indicated by such forward-looking statements.
These factors include, but are not limited to, risks and uncertainties set
forth in Comcast's filings with the Securities and Exchange Commission ("SEC"),
including risks and uncertainties relating to: failure to obtain and retain
expected synergies from the proposed transaction with AT&T Corp. ("AT&T")
relating to AT&T's broadband division, delays in obtaining, or adverse
conditions contained in, any regulatory approvals required for the proposed
transaction, changes in laws or regulations, availability and cost of capital
and other similar factors. Readers are referred to Comcast's most recent
reports filed with the SEC. Comcast is under no obligation to (and expressly
disclaims any such obligation to) update or alter its forward-looking
statements whether as a result of new information, future events or otherwise.

                             ADDITIONAL INFORMATION

     In connection with the proposed transaction, AT&T and Comcast will file a
joint proxy statement/prospectus with the SEC. INVESTORS AND SECURITY HOLDERS
IMPORTANT INFORMATION. Investors and security holders may obtain a free copy of
the joint proxy statement/prospectus (when it is available) and other
documents containing information about AT&T and Comcast, without charge, at the
SEC's web site at Free copies of AT&T's filings may be
obtained by directing a request to AT&T Corp., 295 North Maple Avenue, Basking
Ridge, N.J. 07920, Attention: Investor Relations. Free copies of Comcast's
filings may be obtained by directing a request to Comcast Corporation, 1500
Market Street, Philadelphia, Pennsylvania 19102-2148, Attention: General

     Comcast and its directors, executive officers and other members of its
management and employees may be soliciting proxies from its stockholders in
connection with the proposed transaction. Information concerning Comcast's
participants in the solicitation is contained in a filing made by Comcast with
the Commission pursuant to Rule 14a-12 on July 9, 2001.