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 *
LEE JIMMY S H
  2. Issuer Name and Ticker or Trading Symbol
MERCER INTERNATIONAL INC. [MERC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Executive Officer
(Last)
(First)
(Middle)
SUITE 2840, 650 WEST GEORGIA STREET
3. Date of Earliest Transaction (Month/Day/Year)
03/01/2011
(Street)

VANCOUVER, A1 V6B 4N8
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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
Common Stock 03/01/2011   A   106,755 (1) A $ 0 1,986,434 D  
Common Stock 03/01/2011   A   55,421 (2) A $ 0 175,421 D  
Common Stock 03/01/2011   A   50,466 (2) A $ 0 65,466 D  
Common Stock 03/01/2011   A   34,550 (2) A $ 0 34,600 D  
Common Stock 03/01/2011   A   38,386 (2) A $ 0 58,386 D  
Common Stock 03/01/2011   A   27,249 (2) A $ 0 72,249 D  
Common Stock 03/01/2011   A   31,056 (2) A $ 0 64,146 D  
Common Stock 03/01/2011   A   6,067 (2) A $ 0 8,167 D  
Common Stock 03/01/2011   A   11,443 (2) A $ 0 18,443 D  
Common Stock 03/01/2011   A   6,067 (2) A $ 0 17,967 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LEE JIMMY S H
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
  X     Chief Executive Officer  
GANDOSSI DAVID M
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
      Chief Financial Officer  
Isacsson Claes Inge
ESTBROTEVAGEN 16
SKARHOLMEN, V7 SE - 12741
      Chief Operating Officer  
Nossol Leonhard
HAUPTSTRASSE #16
BLANKENSTEIN, 2M 7366
      Group Controller for Europe  
Ridder Wolfram
AM EISENBUHL 7
SELBITZ, 2M D-95152
      VP of Business Development  
Heine Eric Xavier
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
      VP Sales & Marketing NA & Asia  
Cooper David Michael
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
      VP Sales & Marketing Europe  
Short Richard George
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
      Controller  
STANNUS GENEVIEVE
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
      Treasurer  
MERWIN BRIAN
SUITE 2840
650 WEST GEORGIA STREET
VANCOUVER, A1 V6B 4N8
      VP of Strategic Initiatives  

Signatures

 /s/ Jimmy S.H. Lee   03/03/2011
**Signature of Reporting Person Date

 /s/ David M. Gandossi   03/03/2011
**Signature of Reporting Person Date

 /s/ Claes-Inge Isacson   03/03/2011
**Signature of Reporting Person Date

 /s/ Leonhard Nossol   03/03/2011
**Signature of Reporting Person Date

 /s/ Wolfram Ridder   03/03/2011
**Signature of Reporting Person Date

 /s/ Eric X. Heine   03/03/2011
**Signature of Reporting Person Date

 /s/ David Cooper   03/03/2011
**Signature of Reporting Person Date

 /s/ Richard Short   03/03/2011
**Signature of Reporting Person Date

 /s/ Genevieve Stannus   03/03/2011
**Signature of Reporting Person Date

 /s/ Brian Merwin   03/03/2011
**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) Represents the number of shares earned in connection with the restricted performance shares previously granted on February 18, 2008, based on the achievement of certain targets in the period ended December 31, 2010. These restricted performance shares vested on March 1, 2011.
(2) Represents the number of shares earned in connection with the performance units previously granted on February 18, 2008, based on the achievement of certain targets in the period ended December 31, 2010. These performance units vested on March 1, 2011.

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