Liberty Media and Comcast Announce Agreement to Exchange Liberty Shares for Programming Assets and $545 Million

Liberty Media Corporation (NYSE: L, LMC.B) and Comcast Corporation
(Nasdaq: CMCSA, CMCSK) today announced an agreement in which Liberty Media
will redeem 120.3 million shares of its Series A common stock held by Comcast
in exchange for 100% of the stock of a Liberty subsidiary, Encore ICCP, Inc.

Liberty Media Corporation (NYSE: L, LMC.B) and Comcast Corporation
(Nasdaq: CMCSA, CMCSK) today announced an agreement in which Liberty Media
will redeem 120.3 million shares of its Series A common stock held by Comcast
in exchange for 100% of the stock of a Liberty subsidiary, Encore ICCP, Inc.
At the time of the exchange, the subsidiary will hold Liberty Media's 10%
ownership interest in E! Entertainment Television, its 100% ownership interest
in International Channel Networks, all of Liberty Media's rights, benefits and
obligations under the TCI Music contribution agreement, and approximately
$545 million of cash.

The transaction is subject to customary closing conditions and regulatory
approvals. The transaction also would resolve all litigation pending between
Comcast and Liberty Media regarding a TCI Music agreement, which Comcast
inherited as part of its acquisition of AT&T Broadband in November of 2002.

Liberty Media Corporation (NYSE: L, LMC.B) is a holding company owning
interest in a broad range of electronic retailing, media, communications and
entertainment business classified in three groups; Interactive, Networks and
Tech/Ventures. Our business include some of the world's most recognized and
respected brands and companies, including QVC, Encore, STARZ!, Discovery,
IAC/InteractiveCorp, and The News Corporation Limited.

Comcast Corporation (Nasdaq: CMCSA, CMCSK) is principally involved in the
development, management and operation of broadband cable networks and
programming content. The company is the largest cable company in the United
States, serving more than 21 million cable subscribers. The Company's content
business include majority ownership of Comcast Spectacor, Comcast SportsNet,
E! Entertainment Television, Style Network, The Golf Channel, Outdoor Life
Network and G4. Comcast Class A common stock and Class A Special common stock
trade on The NASDAQ Stock Market under the symbols CMCSA and CMCSK,
respectively.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act
of 1995: Statements in this press release regarding Comcast Corporation's
business which are not historical facts are "forward-looking statements" that
involve risks and uncertainties. For discussion of such risks and
uncertainties, which could cause actual results to differ from those contained
in the forward-looking statements, see "Risk Factors" in the Company's Annual
Report of Form 10-K for the most recently ended fiscal year.