Corporate Headquarters

Comcast Corporation
1500 Market Street
Philadelphia, PA 19102-2148
215-665-1700
www.comcast.com

Stock Listings

Comcast's stock trades on the Nasdaq Global Select Market under the following trading symbols:
Class A common stock: CMCSA
Class A Special common stock: CMCSK

Stock Transfer Agent and Registrar

Computershare Trust Co., N.A.
P.O. Box 43091
Providence, RI 02940-3091
Domestic: 888-883-8903
TTD Domestic: 800-952-9245
International: 781-575-4730
www.computershare.com/comcast

Shareholder Services

Please contact our Stock Transfer Agent and Registrar with inquiries concerning shareholder accounts of record, stock transfer matters, information on Book Entry ownership, account consolidations or lost certificates.

To eliminate duplicate mailings, please contact Computershare (if you are a registered shareholder) or your broker (if you hold your stock through a brokerage firm).

If you wish to receive all shareholder information exclusively online, you can register by going to www.cmcsa.com or www.cmcsk.com and following the instructions under Enroll for E-Delivery on our Shareholder Services page.

Investor Relations

Comcast Investor Relations
1500 Market Street
Philadelphia, PA 19102-2148
866-281-2100
www.cmcsa.com or www.cmcsk.com
To e-mail Investor Relations, go to our Web site and click on Contact Investor Relations.

2006 Annual Report on Form 10-K

This Annual Report to Shareholders contains much of the information that is included in the 2006 Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission. For a copy of Comcast's Form 10-K for the year ended December 31, 2006, visit our Investor Relations Web site (www.cmcsa.com or www.cmcsk.com) or call our Investor Relations Hotline toll-free at 866-281-2100. Other printed information is also available through this hotline.

Stock Split

On January 31, 2007, our Board of Directors approved a three-for-two stock split in the form of a 50% stock dividend (the "Stock Split") payable on February 21, 2007, to shareholders of record on February 14, 2007. The number of shares outstanding and related amounts presented in this Annual Report to Shareholders have been adjusted to reflect the Stock Split for all periods presented.

2007 Annual Meeting of Shareholders

Pennsylvania Convention Center
One Convention Center Place
1101 Arch Street
Philadelphia, PA 19107
May 23, 2007
9 a.m. Eastern Time

Legal Counsel

Davis Polk & Wardwell
New York, NY

Independent Registered Public Accounting Firm

Deloitte & Touche LLP
Philadelphia, PA