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SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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 		 
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
SALVA LAWRENCE 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)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP & Controller
3. Date of Earliest Transaction (Month/Day/Year)
03/09/2006
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 Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock(1) 03/09/2006 M 1,500 A $0 2,902.3644 D
Class A Common Stock(2) 03/09/2006 F 547 D $0 2,355.3644 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to Purchase(3) $26.25 03/10/2006 A 62,000 03/10/2007(4) 03/09/2016 Class A Common Stock 62,000 $0 62,000 D
Restricted Stock Units (5) 03/09/2006 M 1,500 (6) (6) Class A Common Stock 1,500 $0 7,000 D
Restricted Stock Units (5) 03/10/2006 A 24,700 04/10/2007(7) (7) Class A Common Stock 24,700 $0 24,700 D
Explanation of Responses:
1. Shares acquired on the vesting of restricted stock units.
2. Shares withheld for payment of tax liability.
3. This is an option to purchase Class A Common Stock.
4. The date of grant was March 10, 2006, and the shares vest as follows: 30% vests on the 2nd anniversary of the date of grant; an additional 15% vests on each of the 3rd, 4th and 5th anniversaries of the date of grant; and an additional 5% vests on each of the 6th, 7th, 8th, 9th and 9.5th anniversaries of the date of grant.
5. Each restricted stock unit represents a contigent right to receive one share of Class A Common Stock.
6. The restricted stock units vest in installments of 15%, 15%, 15%, 15% and 40% on the 1st, 2nd, 3rd, 4th and 5th anniversaries of the date of grant (March 9, 2004), respectively.
7. The restricted stock units vest in installments of 15%, 15%, 15%, 15% and 40% on the 13th-month, 2nd, 3rd, 4th and 5th anniversaries of the date of grant (March 10, 2006), respectively.
Remarks:
By: Arthur R. Block, Attorney-in-fact for Lawrence J. Salva 03/13/2006
** 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.