APCO OIL & GAS INTERNATIONAL INC

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Certification of termination of registration of a class of securities (Section 12(g))

2.01,3.01,3.03,5.01,5.02,5.03,8.01,9.01

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Notification of removal from listing and/or registration on a national securities exchange

5.07,8.01,9.01

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

8.01

Additional Information for Proxy Statement/ Votes

1.01

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

No description available

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

No description available

Correspondence with the SEC

No description available

Letter from the SEC

2.02,9.01

General form for quarterly reports under Section 13 or 15(d)

No description available

Entry into a Material Definitive Agreement

Additional Information for Proxy Statement/ Votes

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

General form for quarterly reports under Section 13 or 15(d)

2.02,5.02,9.01

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Submission of Matters to a Vote of Security Holders

Required Information in Proxy Statement

5.02

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

2.02,9.01

Regulation FD Disclosure

Regulation FD Disclosure

5.02,9.01

2.02,9.01

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

2.02,5.02,9.01

7.01,9.01

7.01,9.01

5.07

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Annual Report Scanned (Paper)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Annual Report Scanned (Paper)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

Preliminary Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Annual report pursuant to Section 13 or 15(d)

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

No description available

Preliminary Proxy Statement

Withdrawal of a registration statement

Written communication about a business combination transaction (Rule 425)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Written communication about a business combination transaction (Rule 425)

Registration statement under Securities Act of 1933

Written communication about a business combination transaction (Rule 425)

LAFORTUNE ROBERT J

Vann J Kevin

Muncrief Richard E

Muncrief Richard E

BAILEY KEITH E

WPX ENERGY, INC.

GUDERIAN BRYAN K

Holman Benjamin A

RUFFINENGO PIERO

Vann J Kevin