BFFAF / BASF SE - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

CERTAIN RIGHTS OF THE HOLDER OF THIS AMERICAN DEPOSITARY RECEIPT MAY BE WITHHELD IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (11) HEREOF, INCLUDING, WITHOUT LIMITATION, VOTING RIGHTS AND THE RIGHT TO RECEIVE DIVIDENDS OR OTHER PAYMENTS

Rule 424(b)(3) 333-184024 CERTAIN RIGHTS OF THE HOLDER OF THIS AMERICAN DEPOSITARY RECEIPT MAY BE WITHHELD IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (11) HEREOF, INCLUDING, WITHOUT LIMITATION, VOTING RIGHTS AND THE RIGHT TO RECEIVE DIVIDENDS OR OTHER PAYMENTS Number (CUSIP 055262505) AMERICAN DEPOSITARY SHARES (American Depositary Shares Representing One (1) Deposited Share) AMERICAN DEPOSITA

Ziegler, Ziegler & Associates LLP Counselors at Law 570 Lexington Avenue, 44th Floor New York, New York 10022 (212) 319-7600 Telecopier (212) 319-7605 September 21, 2012

Ziegler, Ziegler & Associates LLP Counselors at Law 570 Lexington Avenue, 44th Floor New York, New York 10022 (212) 319-7600 Telecopier (212) 319-7605 September 21, 2012 Deutsche Bank Trust Company Americas, as Depositary 60 Wall Street New York, New York 10005 American Depositary Shares evidenced by American Depositary Receipts for deposited ordinary shares BASF SE Dear Sirs: Referring to the Registration Statement on Form F-6 relating to the above-entitled American Depositary Shares ("ADSs") evidenced by American Depositary Receipts ("ADRs") each ADS representing one ordinary share of BASF SE (the "Company"), a corporation incorporated under the laws of Germany.

BASF SE DEUTSCHE BANK TRUST COMPANY AMERICAS As Depositary HOLDERS OF AMERICAN DEPOSITARY SHARES AMENDED AND RESTATED DEPOSIT AGREEMENT Dated as of December 1, 1999 As Amended and Restated as of June 6, 2000 As Amended and Restated as of March 16, 20

BASF SE and DEUTSCHE BANK TRUST COMPANY AMERICAS As Depositary and HOLDERS OF AMERICAN DEPOSITARY SHARES AMENDED AND RESTATED DEPOSIT AGREEMENT Dated as of December 1, 1999 As Amended and Restated as of June 6, 2000 As Amended and Restated as of March 16, 2004 As Amended and Restated as of September 20, 2007 As Amended and Restated as of October 1, 2012 AMENDED AND RESTATED DEPOSIT AGREEMENT AMEND

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As filed with the United States Securities and Exchange Commission on September 21, 2012 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) Decem

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) December 31, 2007 Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15F CERTIFICATION OF A FOREIGN PRIVATE ISSUER’S TERMINATION OF REGISTRATION OF A CLASS OF SECURITIES UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ITS TERMIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15F CERTIFICATION OF A FOREIGN PRIVATE ISSUER?S TERMINATION OF REGISTRATION OF A CLASS OF SECURITIES UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ITS TERMINATION OF THE DUTY TO FILE REPORTS UNDER SECTION 13(a) OR SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-15050 BASF AKTI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BASF AKTIENGESELLSCHAFT (Exact name of Registrant as specified in its charter) BASF CORPORATI

As filed with the Securities and Exchange Commission on September 6, 2007. Registration No. 333-63334 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BASF AKTIENGESELLSCHAFT (Exact name of Registrant as specified in its charter) BASF CORPORATION* (Translation of Registrant?s name into Engli

As filed with the Securities and Exchange Commission on September 6, 2007

As filed with the Securities and Exchange Commission on September 6, 2007 Registration No.

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BASF AKTIENGESELLSCHAFT (Exact name of Registrant as specified in its charter) BASF CORPORATI

S-8 POS 1 s8090507-basf1.htm POST-EFFECTIVE AMENDMENT NO. 1 As filed with the Securities and Exchange Commission on September 6, 2007. Registration No. 333-38812 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 BASF AKTIENGESELLSCHAFT (Exact name of Registrant as specified in its charter) BA

[FORM OF FACE OF RECEIPT] CERTAIN RIGHTS OF THE HOLDER OF THIS AMERICAN DEPOSITARY RECEIPT MAY BE WITHHELD IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (11) HEREOF, INCLUDING, WITHOUT LIMITATION, VOTING RIGHTS AND THE RIGHT TO RECEIVE DIVIDENDS OR

EXHIBIT A [FORM OF FACE OF RECEIPT] CERTAIN RIGHTS OF THE HOLDER OF THIS AMERICAN DEPOSITARY RECEIPT MAY BE WITHHELD IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (11) HEREOF, INCLUDING, WITHOUT LIMITATION, VOTING RIGHTS AND THE RIGHT TO RECEIVE DIVIDENDS OR OTHER PAYMENTS Number (CUSIP [ ]) AMERICAN DEPOSITARY SHARES (American Depositary Shares Representing One (1) Deposited Share) AMERICAN DEPO

BASF AKTIENGESELLSCHAFT THE BANK OF NEW YORK As Depositary HOLDERS OF AMERICAN DEPOSITARY RECEIPTSSHARES DEPOSIT AGREEMENT Dated as of December 1, 1999 As Amended and Restated as of June 6, 2000 As Amended and Restated as of March 16, 2004 As Amended

============================================================= BASF AKTIENGESELLSCHAFT and THE BANK OF NEW YORK As Depositary and HOLDERS OF AMERICAN DEPOSITARY RECEIPTS SHARES DEPOSIT AGREEMENT Dated as of December 1, 1999 As Amended and Restated as of June 6, 2000 As Amended and Restated as of March 16, 2004 As Amended and Restated as of , 2007 ====================================================

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 1-15050 BASF AKTIENGESELLSCHAFT (New York Stock Exchange) (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered) Carl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) April 23, 2007 Date of Eve

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) April 23, 2007 Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ¨ Rule 13d-1(b) x

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

Exhibit 13.2 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (“the Company”) for the year ended December 31, 2006 as filed with the Securities and Exchange Commission on March 14, 2007 (the “Report”) the undersigne

As filed with the Securities and Exchange Commission on March 14, 2007

As filed with the Securities and Exchange Commission on March 14, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

Exhibit 13.1 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (“the Company”) for the year ended December 31, 2006 as filed with the Securities and Exchange Commission on March 14, 2007 (the “Report”) the undersigne

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

Exhibit 12.2 BASF Aktiengesellschaft CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Kurt Bock, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stateme

CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

Exhibit 12.1 BASF Aktiengesellschaft CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. J?rgen Hambrecht, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact n

Tuesday, February 13, 2007

CORRESP 1 filename1.htm BASF Aktiengesellschaft, 67056 Ludwigshafen, Germany Ms. Donna Di Silvio Division of Corporate Finance Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Tuesday, February 13, 2007 Re: BASF Aktiengesellschaft Form 20-F for the fiscal year ended December 31, 2005 Filed March 14, 2006 File No. 1-15050 Dear Ms. Di Silvio, We refer to your letter d

OMB APPROVAL

SC 13G/A 1 dsc13ga.htm SCHEDULE 13G AMENDMENT NO. 1 OMB APPROVAL OMB Number: 3235-0145 Expires: February 28, 2009 Estimated average burden hours per response . . . 11 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CU

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CORRESP 1 filename1.htm BASF Aktiengesellschaft, 67056 Ludwigshafen, Germany Ms. Donna Di Silvio Division of Corporate Finance Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Wednesday, January 17, 2007 Re: BASF Aktiengesellschaft Form 20-F for the fiscal year ended December 31, 2005 Filed March 14, 2006 File No. 1-15050 Dear Ms. Di Silvio, We refer to your letter

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BASF Aktiengesellschaft, 67056 Ludwigshafen, Deutschland Ms. Cecilia D. Blye, Chief Office of Global Security Risk Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Thursday, August 24, 2006 BASF Aktiengesellschaft (“BASF”) Form 20-F for the fiscal year ended December 31, 2004 Form 20-F for the fiscal year ended December 31, 2005 Response letter dated May 13, 2005 Resp

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CORRESP 1 filename1.htm Ms. Cecilia D. Blye, Chief Office of Global Security Risk Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Friday, July 21, 2006 BASF Aktiengesellschaft (“BASF”) Form 20-F for the fiscal year ended December 31, 2004 Form 20-F for the fiscal year ended December 31, 2005 Response letter dated May 13, 2005 Response letter dated November 25, 2005 R

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) May 2, 2006 Date of Event

SC 13G 1 dsc13g.htm SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) May 2, 2006 Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedu

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CORRESP 1 filename1.htm BASF Aktiengesellschaft, 67056 Ludwigshafen, Deutschland Ms. Cecilia D. Blye, Chief Office of Global Security Risk Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Wednesday, April 12, 2006 BASF Aktiengesellschaft (“BASF”) Form 20-F for the fiscal year ended December 31, 2004 Response Letter Dated May 13, 2005 Response letter dated November 25,

CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

Exhibit 12.1 BASF Aktiengesellschaft CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. J?rgen Hambrecht, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact n

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

Exhibit 12.2 BASF Aktiengesellschaft CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Kurt Bock, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the stateme

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

Exhibit 13.2 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (“the Company”) for the year ended December 31, 2005 as filed with the Securities and Exchange Commission on March 14, 2006 (the “Report”) the undersigne

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

Exhibit 13.1 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (“the Company”) for the year ended December 31, 2005 as filed with the Securities and Exchange Commission on March 14, 2006 (the “Report”) the undersigne

Material Modifications to the Rights of Security Holders and Use of Proceeds

As filed with the Securities and Exchange Commission on March 14, 2006 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) DECEM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) DECEMBER 31, 2005 Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is

Liquidity and Capital Resources, page 79 6. We note the change in accounting for pensions and personnel obligations follows IAS 19 “…to the greatest extent allowable under German GAAP.” Please clarify how the method applied in 2004 complies with Ger

BASF Aktiengesellschaft, 67056 Ludwigshafen, Deutschland Mr. Michael Moran Branch Chief Division of Corporation Finance Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 January 13, 2006 BASF Aktiengesellschaft (“BASF”) Form 20-F for the fiscal year ended December 31, 2004 File No. 1-15050 Dear Mr. Moran: We refer to your letter dated December 30, 2005 regarding the An

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BASF Aktiengesellschaft, 67056 Ludwigshafen, Deutschland Ms. Cecilia D. Blye, Chief Office of Global Security Risk Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Friday, November 25, 2005 BASF Aktiengesellschaft (“BASF”) Form 20-F for the fiscal year ended December 31, 2004 BASF Aktiengesellschaft Letter Dated May 13, 2005 File No. 1-15909 Dear Ms. Blye, We refer to

BASF Aktiengesellschaft, 67056 Ludwigshafen, Germany

BASF Aktiengesellschaft, 67056 Ludwigshafen, Germany Mrs. Cecilia D. Blye, Chief Office of Global Security Risk Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Friday, May 13, 2005 BASF Aktiengesellschaft (“BASF”) Form 20-F for the fiscal year ended December 31, 2004 File No. 1-15909 Dear Mrs. Blye, We refer to your letter dated March 29, 2005 regarding the Annual Re

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) April 26, 2005 Date of Eve

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505 (CUSIP Number) April 26, 2005 Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ¨ Rule 13d-1(b) x

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 13.1 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (the "Company") for the year ended December 31, 2004 as filed with the Securities and E

CONTENTS

QuickLinks - Click here to rapidly navigate through this document Exhibit 4.2 List of Shares Held 2004 CONTENTS Page I. Fully, proportionally and equity consolidated subsidiaries and affiliates accounted for in the Consolidated Financial Statements 3 1. Fully consolidated subsidiaries (Section 290, Paragraph 2 of the German Commercial Code) 3 ? Germany 3 ? Europe (excluding Germany) 4 ? North Amer

As filed with the Securities and Exchange Commission on March 9, 2005 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on March 9, 2005 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 12.2 BASF Aktiengesellschaft CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Kurt Bock, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material f

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 13.2 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (the "Company") for the year ended December 31, 2004 as filed with the Securities and E

CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 12.1 BASF Aktiengesellschaft CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Jürgen Hambrecht, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untr

CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 12.1 BASF Aktiengesellschaft CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. J?rgen Hambrecht, certify that: 1. I have reviewed this annual report on Form 20-F/A of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any un

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 12.2 BASF Aktiengesellschaft CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Kurt Bock, certify that: 1. I have reviewed this annual report on Form 20-F/A of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material

List of Shares Held 2003

QuickLinks - Click here to rapidly navigate through this document Exhibit 4.2 List of Shares Held 2003 Contents I. Fully, proportionally and equity consolidated subsidiaries and affiliates accounted for in the Consolidated Financial Statements 1. Fully consolidated subsidiaries (Section 290, Paragraph 2 of the German Commercial Code) /*/ Germany /*/ Europe (excluding Germany) /*/ North America /*/

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 13.1 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F/A of BASF Aktiengesellschaft, a German corporation (the "Company") for the year ended December 31, 2003 as filed with the Securities and

As filed with the Securities and Exchange Commission on March 18, 2004 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F Amendment No. 1

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on March 18, 2004 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 13.2 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F/A of BASF Aktiengesellschaft, a German corporation (the "Company") for the year ended December 31, 2003 as filed with the Securities and

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 13.1 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (the "Company") for the year ended December 31, 2003 as filed with the Securities and E

List of Shares Held 2003

QuickLinks - Click here to rapidly navigate through this document Exhibit 4.2 List of Shares Held 2003 Contents I. Fully, proportionally and equity consolidated subsidiaries and affiliates accounted for in the Consolidated Financial Statements 1. Fully consolidated subsidiaries (Section 290, Paragraph 2 of the German Commercial Code) /*/ Germany /*/ Europe (excluding Germany) /*/ North America /*/

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 12.2 BASF Aktiengesellschaft CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Kurt Bock, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untrue statement of a material f

CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 12.1 BASF Aktiengesellschaft CERTIFICATION OF THE CHAIRMAN OF THE BOARD OF EXECUTIVE DIRECTORS PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT I, Dr. Jürgen Hambrecht, certify that: 1. I have reviewed this annual report on Form 20-F of BASF Aktiengesellschaft; 2. Based on my knowledge, this report does not contain any untr

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

QuickLinks - Click here to rapidly navigate through this document Exhibit 13.2 BASF Aktiengesellschaft CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT In connection with the Annual Report on Form 20-F of BASF Aktiengesellschaft, a German corporation (the "Company") for the year ended December 31, 2003 as filed with the Securities and E

As filed with the Securities and Exchange Commission on March 17, 2004 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on March 17, 2004 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

As filed with the Securities and Exchange Commission on March 11, 2004

F-6 1 basff6.htm As filed with the Securities and Exchange Commission on March 11, 2004 Registration No. 333- SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-6 REGISTRATION STATEMENT under THE SECURITIES ACT OF 1933 For Depositary Shares Evidenced by American Depositary Receipts for Ordinary Shares, no par value each, of of BASF AKTIENGESELLSCHAFT (Exact name of issuer of deposite

[FORM OF FACE OF RECEIPT] CERTAIN RIGHTS OF THE HOLDER OF THIS AMERICAN DEPOSITARY RECEIPT MAY BE WITHHELD IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (11) HEREOF, INCLUDING, WITHOUT LIMITATION, VOTING RIGHTS AND THE RIGHT TO RECEIVE DIVIDENDS OR

EXHIBIT A [FORM OF FACE OF RECEIPT] CERTAIN RIGHTS OF THE HOLDER OF THIS AMERICAN DEPOSITARY RECEIPT MAY BE WITHHELD IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH (11) HEREOF, INCLUDING, WITHOUT LIMITATION, VOTING RIGHTS AND THE RIGHT TO RECEIVE DIVIDENDS OR OTHER PAYMENTS Number (CUSIP [ ]) AMERICAN DEPOSITARY SHARES (American Depositary Shares Representing One (1) Deposited Share) AMERICAN DEPO

BASF AKTIENGESELLSCHAFT THE BANK OF NEW YORK As Depositary HOLDERS OF AMERICAN DEPOSITARY RECEIPTS DEPOSIT AGREEMENT Dated as of December 1, 1999 As Amended and Restated as of June 6, 2000 As Amended and Restated as of _________, 2004

============================================================= BASF AKTIENGESELLSCHAFT and THE BANK OF NEW YORK As Depositary and HOLDERS OF AMERICAN DEPOSITARY RECEIPTS DEPOSIT AGREEMENT Dated as of December 1, 1999 As Amended and Restated as of June 6, 2000 As Amended and Restated as of , 2004 ============================================================= DEPOSIT AGREEMENT DEPOSIT AGREEMENT, dated

EMMET, MARVIN & MARTIN, LLP COUNSELLORS AT LAW

Exhibit 4 EMMET, MARVIN & MARTIN, LLP COUNSELLORS AT LAW WRITER?S DIRECT DIAL 120 BROADWAY NEW YORK, NEW YORK 10271 (212) 238-3000 FAX: (212) 238-3100 http://www.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* BASF AG

SC 13G/A 1 y94041esc13gza.htm AMENDMENT NO.4 TO SCHEDULE 13G OMB APPROVAL OMB Number: 3235-0145 Expires: December 31, 2005 Estimated average burden hours per response...11 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* BASF AG (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) 055262505

As filed with the Securities and Exchange Commission on March 18, 2003 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on March 18, 2003 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.