CUSIP No 03823T105
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1
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NAME OF REPORTING PERSON
Castlerigg PNG Investments LLC
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (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 PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
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6
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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NUMBER OF SHARES BENEFI-CIALLY OWNED BY EACH REPORT-ING PERSONWITH
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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
6,054,495
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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
6,054,495
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11
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,054,495
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12
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CHECK BOX 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)
29.3%
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14
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TYPE OF REPORTING PERSON
OO
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1
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NAME OF REPORTING PERSON
Castlerigg Master Investments Ltd.
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (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
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
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6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
|
|
NUMBER OF SHARES BENEFI-CIALLY OWNED BY EACH REPORT-ING PERSONWITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
6,054,495
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
6,054,495
|
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,054,495
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ¨
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
29.3%
|
|
14
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TYPE OF REPORTING PERSON
CO
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1
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NAME OF REPORTING PERSON
Sandell Asset Management Corp.
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) x (b)
|
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
AF
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) x
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
|
|
NUMBER OF SHARES BENEFI-CIALLY OWNED BY EACH REPORT-ING PERSON WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
6,054,495
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
6,054,495
|
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,054,495
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ¨
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
29.3%
|
|
14
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TYPE OF REPORTING PERSON
CO
|
1
|
NAME OF REPORTING PERSON
Castlerigg International Limited
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|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) x (b)
|
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
AF
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
|
|
NUMBER OF SHARES BENEFI-CIALLY OWNED BY EACH REPORT-ING PERSON WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
6,054,495
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
6,054,495
|
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,054,495
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ¨
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
29.3%
|
|
14
|
TYPE OF REPORTING PERSON
CO
|
1
|
NAME OF REPORTING PERSON
Castlerigg International Holdings Limited
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) x (b)
|
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
AF
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
|
|
NUMBER OF SHARES BENEFI-CIALLY OWNED BY EACH REPORT-ING PERSON WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
6,054,495
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
6,054,495
|
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,054,495
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ¨
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
29.3%
|
|
14
|
TYPE OF REPORTING PERSON
CO
|
1
|
NAME OF REPORTING PERSON
Thomas E. Sandell
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|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) x (b)
|
|
3
|
SEC USE ONLY
|
|
4
|
SOURCE OF FUNDS
AF
|
|
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) x
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
Sweden
|
|
NUMBER OF SHARES BENEFI-CIALLY OWNED BY EACH REPORT-ING PERSON WITH
|
7
|
SOLE VOTING POWER
0
|
8
|
SHARED VOTING POWER
6,054,495
|
|
9
|
SOLE DISPOSITIVE POWER
0
|
|
10
|
SHARED DISPOSITIVE POWER
6,054,495
|
|
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,054,495
|
|
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ¨
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
29.3%
|
|
14
|
TYPE OF REPORTING PERSON
IN
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