Comcast 3Q07 VoIP Update

• Added 662,000 VoIP subscribers during the quarter. Total VoIP subscriber base close to 3.7 million

• During the nine months ended September 30, 2007, the company added approximately 1.9 million VoIP subscribers.

• 3.7 million VoIP base represents 9% penetration of the total Comcast addressable market

• VoIP service now marketed to 40 million homes representing 83% of Comcast's footprint

• Phone revenue $472 million in the third quarter of 2007. The increase in phone revenue was partially offset by a $57 million or 53% decline in circuit-switched phone revenue as Comcast transitions to marketing only VoIP in most areas.

• 12.9 million high-speed Internet subscribers as at the end September 2007