Sale
DEL CORRO PEDRO director director
Common Stock 25,000 $19.58 $489,500 Sale
CARDOSO MARCELO officer: CHIEF OPERATING OFFICER officer: CHIEF OPERATING OFFICER
Common Stock 12,775 $17.37 $221,876 Option
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Common Stock 1,965 $7.64 $15,013 Sale
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Common Stock 1,305 $15.78 $20,594 Option
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Employee Stock Option (right to buy) 1,965 $7.64 $15,013 Sale
DEL CORRO PEDRO director director
Common Stock 5,957 $16.31 $97,159 Sale
SNOW IAN KENDELL director director
Common Stock 2,114,928 $14.64 $30,962,546 Sale
DEL CORRO PEDRO director director
Common Stock 1,086 $12.62 $13,705 Sale
DEL CORRO PEDRO director director
Common Stock 1,085 $12.62 $13,693 Sale
DEL CORRO PEDRO director director
Common Stock 23,258 $12.62 $293,516 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 200 $13.25 $2,650 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 700,000 $13.05 $9,135,000 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 20,541 $13.28 $272,702 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 493 $13.25 $6,532 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 400 $13.26 $5,303 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 1,100 $13.26 $14,585 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 26,408 $13.27 $350,540 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 12,897 $13.28 $171,311 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 27,337 $13.34 $364,730 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 20,810 $13.28 $276,336 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 100 $13.27 $1,327 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 4,270 $13.26 $56,607 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 5,600 $13.26 $74,228 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 1,500,000 $12.7 $19,050,000 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 26,162 $13.31 $348,242 Sale
WENGEN ALBERTA, LP 10 percent owner 10 percent owner
Class A Common Stock 103,850 $13.38 $1,389,201 Sale
SINKFIELD RICHARD HARVEY III officer: CHIEF LEGAL OFFICER officer: CHIEF LEGAL OFFICER
Common Stock 1,800 $14.27 $25,686 Option
SINKFIELD RICHARD HARVEY III officer: CHIEF LEGAL OFFICER officer: CHIEF LEGAL OFFICER
Common Stock 12,692 $8.34 $105,851 Sale
SINKFIELD RICHARD HARVEY III officer: CHIEF LEGAL OFFICER officer: CHIEF LEGAL OFFICER
Common Stock 9,092 $14.03 $127,579 Option
SINKFIELD RICHARD HARVEY III officer: CHIEF LEGAL OFFICER officer: CHIEF LEGAL OFFICER
Employee Stock Option (right to buy) 12,692 $8.34 $105,851 Option
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Common Stock 1,262 $8.34 $10,525 Sale
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Common Stock 926 $14 $12,960 Option
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Employee Stock Option (right to buy) 1,262 $8.34 $10,525 Sale
CARDOSO MARCELO officer: CHIEF OPERATING OFFICER officer: CHIEF OPERATING OFFICER
Common Stock 25,300 $11.95 $302,335 Sale
KNAUER GERARD M. officer: VP, ACCTG, GLOBAL CONTROLLER officer: VP, ACCTG, GLOBAL CONT..
Common Stock 4,130 $11.85 $48,941 Sale
KKR 2006 FUND (OVERSEAS), LIMITED PARTNERSHIP 10 percent o.. 10 percent owner
Common Stock 1,050,119 $9.41 $9,880,570 Sale
KKR GROUP PARTNERSHIP L.P. 10 percent owner 10 percent owner
Common Stock 1,050,119 $9.41 $9,880,570 Sale
COHEN STEVEN A/SAC CAPITAL MGMT LP other other
Common Stock 163,122 $10.6 $1,729,746 Sale
COHEN STEVEN A/SAC CAPITAL MGMT LP other other
Common Stock 86,878 $11.04 $959,481 Sale
COHEN STEVEN A/SAC CAPITAL MGMT LP other other
Common Stock 114,889 $11.45 $1,315,134 Sale
COHEN STEVEN A/SAC CAPITAL MGMT LP other other
Class A Common Stock 105,111 $11.36 $1,193,956 Sale
COHEN STEVEN A/SAC CAPITAL MGMT LP other other
Class A Common Stock 132,864 $11.13 $1,478,245 Option
CARROLL BRIAN F director director
Units in Deferred Compensation Plan 4,611 N/A N/A Option
CARROLL BRIAN F director director
Common Stock 4,611 N/A N/A Option
SNOW IAN KENDELL director, 10 percent owner director, 10 percent owner
Units in Deferred Compensation Plan 2,819 N/A N/A Option
SNOW IAN KENDELL director, 10 percent owner director, 10 percent owner
Common Stock 2,819 N/A N/A Option
CARDOSO MARCELO officer: CHIEF OPERATING OFFICER officer: CHIEF OPERATING OFFICER
Employee Stock Option (Right to Buy) 6,656 $9.85 $65,562 Sale
CARDOSO MARCELO officer: CHIEF OPERATING OFFICER officer: CHIEF OPERATING OFFICER
Common Stock 37,779 $12.26 $463,057 Option
CARDOSO MARCELO officer: CHIEF OPERATING OFFICER officer: CHIEF OPERATING OFFICER
Common Stock 13,656 $7.31 $99,825 Option
CARDOSO MARCELO officer: CHIEF OPERATING OFFICER officer: CHIEF OPERATING OFFICER
Common Stock 9,697 $6.38 $61,867 
