NEXEN CORPORATION AMERICA., INC

EXHIBIT 4.12

FIRST NEW YORK SECURITIES LLC 4Q12

EXHIBIT 99.3

PARTICIPATION AGREEMENT

EXHIBIT 8.1

EXHIBIT 8.1

EXHIBIT 8.1

EXHIBIT 8.1

EXHIBIT 4.02

EXHIBIT 8.1

EXHIBIT 8.1

EXHIBIT 10.1

EXHIBIT 8.1

FORM 6-K

EXHIBIT 8.1

FORM FWP

FORM 424B2

MANAGEMENT PROXY CIRCULAR, DATED MARCH 2, 2009, AS FILED WITH THE CSA ON MARCH 18, 2009.

EX-99.1: PRESS RELEASE DATED OCTOBER 25, 2012

EXHIBIT 99.2

EX-99.1

MANAGEMENT PROXY CIRCULAR, DATED MARCH 3, 2008, AS FILED WITH THE CSA ON MARCH 19, 2008.

MANAGEMENT PROXY CIRCULAR, INCLUDING NOTICE, PROXY AND SUPPLEMENTAL MAIL RETURN CARDS

40-F

EXHIBIT 10.1

EXHIBIT 4.9

OFFER TO PARTICIPATE - WEST CAMERON 109 PROSPECT

EX-99.2: MANAGEMENT'S DISCUSSION AND ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2012

FORM 20-F

EXHIBIT 4.46

PARTICIPATION AGREEMENT - SUNSET PROSPECT

PARTICIPATION AGREEMENT - SUNSET PROSPECT

EX-99.1

FIRST NEW YORK SECURITIES 3Q12 13F

FORM 6-K

EX-99.1 PRESS RELEASE DATED FEBRUARY 16, 2012

ANNUAL REPORT - NEXEN, INC.

PRESS RELEASE FULL TEXT

EX-99.1

EXHIBIT 99.1

FORM 13F-HR

FORM 20-F

10-K

EXHIBIT 10.1

EXHIBIT 99.1

2003 ANNUAL REPORT

FROM13F-HR

FINAL TERM SHEET

N-MFP

FORM 6-K

EXHIBIT 1

SEC filing

FORM 20-F

FINAL TERM SHEET

10-K

EXHIBIT 99.2

10-K

NEXEN PRELIMINARY PROSPECTUS SUPPLEMENT

N-Q

PROSPECTUS SUPPLEMENT

PROSPECTUS SUPPLEMENT DATED MAY 1, 2007

FORM 13F-HR

40-F

10-K

PROSPECTUS SUPPLEMENT

PRICING AGREEMENT AS OF JULY 27, 2009

EX-99.1

FORM 6-K

EXHIBIT 99.3

EXHIBIT 99.1

MANAGEMENT PROXY CIRCULAR DATED MARCH 9, 2007

FORM 6-K

FORM 6-K

N-MFP

PROSPECTUS SUPPLEMENT

EXHIBIT 10.1

FOR YEAR ENDED 12-31-2004

2005 ANNUAL REPORT

FORM 6-K

EXHIBIT 1

40-F

N-MFP

N-MFP

ELN 130

ELN 130

FORM 20-F

AMENDMENT NO. 1 TO FORM F-10

EXHIBIT 99.1

EXHIBIT 99.1

FORM 13F

13F

FORM F-10/A

FORM 6-K

FORM 20-F/A

FORM 6-K

FORM 13F

SEC filing

FORM 6-K

N-MFP

FORM 13F