ASSOCIATED NATURAL GAS CORP

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

Current report pursuant to Section 13 or 15(d)

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

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Current report pursuant to Section 13 or 15(d)

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

Additional Information for Proxy Statement/ Votes

Registration of Securities on Exchange (amendment)

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

No description available

Current report pursuant to Section 13 or 15(d)

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

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

Current report pursuant to Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Registration statement under Securities Act of 1933 (amendment)

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

Current report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933

Current report pursuant to Section 13 or 15(d)

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

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

Current report pursuant to Section 13 or 15(d)