Comcast Corporation Issues $1 Billion Exchangeable Debentures Due 2029

Philadelphia, PA.

Comcast Corporation announced today that it has sold 13,982,103 of its Exchangeable Subordinated Debentures due 2029 ("ZONES") for an aggregate offering price of $1 billion. The debentures are exchangeable, at the holder's option and subject to certain conditions, into a cash amount that is based on the market value of a share of Sprint Corporation PCS tracking stock. Interest on the debentures will be payable quarterly, beginning January 15, 2000 at an initial rate of 2.0%. Both the interest rate and the amount payable at maturity are subject to adjustment based on changes in future Sprint PCS dividend policy. Proceeds from the offering will be used for general corporate purposes.

Salomon Smith Barney, Inc. acted as underwriter in connection with the offering.

This press release appears as a matter of record only. The securities described in this press release may only be offered and sold by means of the prospectus and prospectus supplement relating thereto, copies of which are available from the underwriter listed above.

Comcast Corporation (www.comcast.com) is principally engaged in the development, management and operation of broadband cable networks and in the provision of content through principal ownership of QVC, Comcast-Spectacor and Comcast SportsNet, a controlling interest in E! Entertainment Television and through 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.