SEC Form 5 
FORM 5	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 	  
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	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).			
	Form 3 Holdings Reported.			
	Form 4 Transactions Reported.			
1. Name and Address of Reporting Person*
ROBERTS RALPH J	

(Last)	(First)	(Middle)	
COMCAST CORPORATION	
1500 MARKET STREET	

(Street) 
PHILADELPHIA	PA	19102	

(City)	(State)	(Zip)	
	2. Issuer Name and Ticker or Trading Symbol 
COMCAST CORP [ CMCSA ] 	5. Relationship of Reporting Person(s) to Issuer 
(Check all applicable) 
X	Director		10% Owner	
X	Officer (give title below)		Other (specify below)	
Chairman-Exec & Finance Comm	
		
	3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2004 		
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) 
X	Form filed by One Reporting Person	
	Form filed by More than One Reporting Person	
	
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	
1. Title of Security (Instr. 3) 	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8) 	4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 	5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 	7. Nature of Indirect Beneficial Ownership (Instr. 4) 		
				Amount	(A) or (D)	Price					
Class A Special Common Stock	10/07/2004		G	1,868	D(1) 	(1)	2,023,549(2) 	D			
Class A Special Common Stock	11/22/2004		G	561	D(3) 	(3)	2,022,988(2) 	D			
Class A Special Common Stock	11/22/2004		G	561	D(3) 	(3)	2,022,427(2) 	D			
Class A Special Common Stock	11/22/2004		G	654	D(4) 	(4)	2,021,773(2) 	D			
Class A Special Common Stock	11/22/2004		G	654	D(4) 	(4)	2,021,119(2) 	D			
Class A Special Common Stock							371,351(2) 	I	By Family Partnerships		
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities) 	
1. Title of Derivative Security (Instr. 3) 	2. Conversion or Exercise Price of Derivative Security 	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8) 	5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 	6. Date Exercisable and Expiration Date (Month/Day/Year)	7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 	8. Price of Derivative Security (Instr. 5) 	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 	11. Nature of Indirect Beneficial Ownership (Instr. 4) 	
					(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares					
Explanation of Responses:	
1. The shares were initially transferred by gift from the Reporting Person to the Reporting Person's spouse, who shares the Reporting Person's household, and then on 10/20/04 were transferred from the Reporting Person's spouse to family limited partnerships.	
2. Between 10/04/04 and 11/22/04, there were intervening changes in the reporting person's form of beneficial ownership. After the transactions reported on this Form 5, the reporting person directly beneficially owned at the end of the Issuer's fiscal year 2,021,119 shares of Class A Special Common Stock and indirectly beneficially owned 371,351 shares of Class A Common Stock through family limited partnerships.	
3. Gifts to spouse who shares the Reporting Person's household; gifts are units in family limited liability companies, which are the general partners of family limited partnerships holding shares of Class A Special Common Stock.	
4. Gifts of units in family limited liability companies, which are the general partners of family limited partnerships holding shares of Class A Special Common Stock.	
Remarks:	
	
	/s/ Roberts, Ralph J.	02/10/2005	
	** Signature of Reporting Person	Date	
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).	
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.