CHEMFIRST INC

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to a registration statement

Prospectus Supplement for Primary Offering

Letter from the SEC

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

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

Notification of the removal from listing and registration of matured redeemed or retired securities

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

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

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

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

5,7

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

Additional Information for Proxy Statement/ Votes

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

Other events

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

5,7

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Registration of Securities on Exchange (amendment)

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

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

Annual Report Scanned (Paper)

No description available

Definitive Proxy Statement

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)

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)

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

Registration of Securities on Exchange (amendment)

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

2,7

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

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

Annual Report Scanned (Paper)

Annual report pursuant to Section 13 or 15(d)

Definitive Proxy Statement

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)

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)

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)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

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

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

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

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

Annual Report Scanned (Paper)

No description available

Definitive Proxy Statement

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)

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

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

Post Effective Amendment to S-8

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

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

Annual Report Scanned (Paper)

No description available

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

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

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

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

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

Annual report pursuant to Section 13 or 15(d)

Definitive Proxy Statement

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

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

Post Effective Amendment to S-8

8

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration of Securities on Exchange

DUPONT E I DE NEMOURS & CO

GOLDMAN SACHS GROUP LP