SECURITIES AND EXCHANGE COMMISSION
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Washington, D.C. 20549
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SCHEDULE 13D/A
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(Rule 13d-101)
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INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
RULE 13d-2(a)
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(Amendment No. 3)*
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Mentor Graphics Corporation
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(Name of Issuer)
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Common Stock, without par value
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(Title of Class of Securities)
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587200106
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(CUSIP Number)
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Casablanca Capital LLC
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450 Park Avenue, Suite 1403
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New York, NY 10022
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Attn: Douglas Taylor
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(212) 759-5626
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with a copy to:
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David E. Rosewater
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Schulte Roth & Zabel LLP
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919 Third Avenue
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New York, New York 10022
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(212) 756-2000
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(Name, Address and Telephone Number of Person
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Authorized to Receive Notices and Communications)
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March 9, 2011
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(Date of Event which Requires
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Filing of this Schedule)
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 2 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Casablanca Special Opportunities Fund I, LLC
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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4
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SOURCE OF FUNDS
WC
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
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8
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SHARED VOTING POWER
573,683
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9
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SOLE DISPOSITIVE POWER
0
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10
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SHARED DISPOSITIVE POWER
573,683
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
573,683
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12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
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¨
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.5%
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14
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TYPE OF REPORTING PERSON
OO
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 3 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Casablanca Capital I LLC
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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4
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SOURCE OF FUNDS
AF
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
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8
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SHARED VOTING POWER
573,683
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9
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SOLE DISPOSITIVE POWER
0
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10
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SHARED DISPOSITIVE POWER
573,683
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
573,683
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12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
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¨
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.5%
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14
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TYPE OF REPORTING PERSON
IA, OO
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 4 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Casablanca Capital LLC
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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4
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SOURCE OF FUNDS
OO, AF (See Item 3)
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
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||
8
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SHARED VOTING POWER
746,352
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9
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SOLE DISPOSITIVE POWER
0
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10
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SHARED DISPOSITIVE POWER
746,352
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
746,352
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12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
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¨
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.7%
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14
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TYPE OF REPORTING PERSON
IA, OO
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 5 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Donald G. Drapkin
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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4
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SOURCE OF FUNDS
PF, OO, AF (See Item 3)
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
USA
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
25,410
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8
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SHARED VOTING POWER
746,352
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9
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SOLE DISPOSITIVE POWER
25,410
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10
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SHARED DISPOSITIVE POWER
746,352
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
771,762
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12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
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¨
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.7%
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14
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TYPE OF REPORTING PERSON
IN
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 6 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Douglas Taylor
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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4
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SOURCE OF FUNDS
OO and AF (See Item 3)
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
USA
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
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||
8
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SHARED VOTING POWER
746,352
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|||
9
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SOLE DISPOSITIVE POWER
0
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|||
10
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SHARED DISPOSITIVE POWER
746,352
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
746,352
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|||
12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
¨
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||
13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.7%
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14
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TYPE OF REPORTING PERSON
IN
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CUSIP No587200106
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SCHEDULE 13D/A
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Page 7 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Francisco D'Agostino
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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4
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SOURCE OF FUNDS
OO, AF (See Item 3)
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Spain
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
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8
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SHARED VOTING POWER
782,652
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|||
9
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SOLE DISPOSITIVE POWER
0
|
|||
10
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SHARED DISPOSITIVE POWER
782,652
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
782,652
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|||
12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
¨
|
||
13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.7%
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|||
14
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TYPE OF REPORTING PERSON
IN
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 8 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Element Multi Strategy Fund Ltd.
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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3
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SEC USE ONLY
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|||
4
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SOURCE OF FUNDS
WC
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
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8
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SHARED VOTING POWER
36,300
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|||
9
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SOLE DISPOSITIVE POWER
0
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|||
10
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SHARED DISPOSITIVE POWER
36,300
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
36,300
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|||
12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
¨
|
||
13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.0%
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14
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TYPE OF REPORTING PERSON
CO
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CUSIP No587200106
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SCHEDULE 13D/A
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Page 9 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Element Capital Advisors Ltd.
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
|
||
3
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SEC USE ONLY
|
|||
4
|
SOURCE OF FUNDS
AF
|
|||
5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
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|||
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
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7
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SOLE VOTING POWER
0
|
||
8
|
SHARED VOTING POWER
36,300
|
|||
9
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SOLE DISPOSITIVE POWER
0
|
|||
10
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SHARED DISPOSITIVE POWER
36,300
|
|||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
36,300
|
|||
12
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CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
¨
|
||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
0.0%
|
|||
14
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TYPE OF REPORTING PERSON
IA, CO
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 10 of 13 Pages
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1
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NAME OF REPORTING PERSONS, I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
(ENTITIES ONLY)
Her Majesty the Queen in Right of the Province of Alberta as represented by Alberta Investment Management Corporation
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) x
(b) ¨
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||
3
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SEC USE ONLY
|
|||
4
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SOURCE OF FUNDS
OO
|
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5
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)
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¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Alberta, Canada
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
|
7
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SOLE VOTING POWER
5,205,282
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8
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SHARED VOTING POWER
0
|
|||
9
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SOLE DISPOSITIVE POWER
5,205,282
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|||
10
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SHARED DISPOSITIVE POWER
0
|
|||
11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
5,205,282
|
|||
12
|
CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
¨
|
||
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 5)
4.7%
|
|||
14
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TYPE OF REPORTING PERSON
IA, OO
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CUSIP No. 587200106
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SCHEDULE 13D/A
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Page 11 of 13 Pages
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Item 4.
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PURPOSE OF TRANSACTION.
|
CUSIP No. 587200106
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SCHEDULE 13D/A
|
Page 12 of 13 Pages
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Casablanca Special Opportunities Fund I, LLC
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By:
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Casablanca Capital LLC, its Investment Manager
|
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By:
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/s/ Douglas Taylor
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Name:
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Douglas Taylor
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Title:
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Chief Executive Officer
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Casablanca Capital I LLC
|
|||
By:
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/s/ Douglas Taylor
|
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Name:
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Douglas Taylor
|
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Title:
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Chief Executive Officer
|
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Casablanca Capital LLC
|
|||
By:
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/s/ Douglas Taylor
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Name:
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Douglas Taylor
|
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Title:
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Chief Executive Officer
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/s/ Donald G. Drapkin
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Donald G. Drapkin
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/s/ Douglas Taylor
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Douglas Taylor
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/s/ Francisco D’Agostino
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Francisco D'Agostino
|
|||
CUSIP No. 587200106
|
SCHEDULE 13D/A
|
Page 13 of 13 Pages
|
Element Multi Strategy Fund Ltd.
|
|||
By:
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/s/ Francisco D’Agostino
|
||
Name:
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Francisco D’Agostino
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||
Title:
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Director
|
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Element Capital Advisors Ltd.
|
|||
By:
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/s/ Francisco D’Agostino
|
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Name:
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Francisco D’Agostino
|
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Title:
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President and Director
|
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Her Majesty the Queen in Right of the Province of Alberta as represented by Alberta Investment Management Corporation
|
|||
By:
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/s/ Brian Gibson
|
||
Name:
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Brian Gibson
|
||
Title:
|
Senior Vice President,
Public Equities
|