CELANESE AG

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

Tender offer statement by a third party (amendment)

No description available

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

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Tender offer statement by a third party (amendment)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Tender offer statement by a third party (amendment)

Tender offer statement by a third party (amendment)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

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

Tender offer statement by a third party (amendment)

No description available

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

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

No description available

Tender offer statement by a third party (amendment)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Registration statement / Annual report / Transition report for Foreign Private Issuers

Tender offer statement by a third party (amendment)

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

No description available

Tender offer statement by a third party (amendment)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Tender offer statement by a third party (amendment)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Tender offer statement by a third party (amendment)

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

No description available

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

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

No description available

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Registration statement / Annual report / Transition report for Foreign Private Issuers

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Post Effective Amendment to S-8

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

No description available

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

No description available

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

No description available

No description available

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

No description available

No description available

No description available

Registration statement / Annual report / Transition report for Foreign Private Issuers

No description available

No description available

No description available

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

Registration statement / Annual report / Transition report for Foreign Private Issuers

Post Effective Amendment to S-8

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

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

Registration statement / Annual report / Transition report for Foreign Private Issuers

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

Registration statement / Annual report / Transition report for Foreign Private Issuers

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 statement / Annual report / Transition report for Foreign Private Issuers

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

Prospectus filed under Rule 424(b)(1)

Post-effective amendment to a registration statement

Registration statement for securities of certain foreign private issuers (amendment)

Registration of Securities on Exchange

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers