Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
PUSTIL STEPHEN
  2. Issuer Name and Ticker or Trading Symbol
MDC PARTNERS INC [MDCA]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice Chairman
(Last)
(First)
(Middle)
45 HAZELTON AVE
3. Date of Earliest Transaction (Month/Day/Year)
03/13/2008
(Street)

TORONTO CANADA, A6 M5R 2ER
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 Shares               127,609 (1) D  
Class A Shares 03/13/2008   F   2,193 D $ 8.1 125,416 (2) (3) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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
Stock Options (4) $ 10.66 (5)             06/11/2003 06/11/2008 Class A Shares 25,000   25,000 D  
Stock Options (4) $ 10.66 (5)             06/11/2003 06/11/2008 Class A Shares 4,000   4,000 D  
Stock Options (4) $ 56.43 (6)             02/22/2000 03/22/2010 Class A Shares 1,905   1,905 D  
Stock Options (7) $ 9.19 (6)             04/29/2002 04/28/2012 Class A Shares 1,905   1,905 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PUSTIL STEPHEN
45 HAZELTON AVE
TORONTO CANADA, A6 M5R 2ER
  X     Vice Chairman  

Signatures

 /s/ Stephen Pustil   03/13/2008
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Includes unvested Restricted Stock Units (Class A Shares) of the Issuer, a portion of which are subject to achievement by the Issuer of financial performance targets.
(2) A total of 5,000 Restricted Stock Units (Class A Shares) granted in 2006 vested on March 6, 2008. The Reporting Person elected to have 2,193 Class A Shares withheld by the Issuer to satisfy tax withholding requirements.
(3) Includes 34,735 unvested Restricted Stock Units (Class A Shares) of the Issuer, a portion of which are subject to achievement by the Issuer of financial performance targets.
(4) Stock Options granted on June 11, 2003 expire five (5) years from the grant date.
(5) Canadian dollars.
(6) These 1,905 Stock Options granted on July 31, 2003 vested as of February 22, 2000 and expire on March 22, 2010.
(7) These 1,905 Stock Options granted on July 31, 2003 expire on April 28, 2012.

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