Comcast to Host Second Quarter 2004 Earnings Conference Call

Philadelphia, PA.

 Comcast Corporation (Nasdaq: CMCSA, CMCSK) will host a conference call with the financial community to discuss results for the second quarter 2004 on Wednesday, July 28, 2004 at 8:30 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 Company's Investor Relations website at http://www.cmcsa.com or http://www.cmcsk.com. A recording of the call will be available on the Investor Relations website starting at 12:30 p.m. Eastern Time (ET) on Wednesday, July 28, 2004. Those parties interested in participating via telephone should dial (847) 413-2408. A telephone replay will begin immediately following the call and will be available until July 29, 2004 at midnight Eastern Time (ET). To access the rebroadcast, please dial (630) 652-3000 and enter passcode number 9196739#.

To automatically receive Comcast financial news by email, please visit
http://www.cmcsa.com or http://www.cmcsk.com and subscribe to Email Alerts.

Comcast Corporation (http://www.comcast.com) 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
businesses include majority ownership of Comcast-Spectacor, Comcast SportsNet,
E! Entertainment Television, Style Network, The Golf Channel, Outdoor Life
Network and G4techTV. Comcast's Class A and Class A Special common stock trade on
The Nasdaq Stock Market under the symbols CMCSA and CMCSK, respectively.