Comcast 1Q08 VoIP Update

• Added over 639k VoIP subscribers during the 1Q08.

• Comcast ended 1Q08 with a total of 5.1 million VoIP subscribers.

• 5.1 million VoIP customer base represents 12% penetration of the total Comcast addressable market

• Revenue from VoIP service more than doubled to $573 million in the 1Q08 compared to the same period of the prior year. Circuit-switched phone revenue declined $69 million to $14 million in the 1Q08.

• As of 1Q08, Comcast had 66,000 circuit-switched customers, and expects to wind down that business by mid-year 2008.