SIAL / Sigma-Aldrich Corporation - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Sigma-Aldrich Corporation
US ˙ NASDAQ
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
CIK 90185
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Sigma-Aldrich Corporation
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
November 30, 2015 15-12G

Sigma-Aldrich 15-12G

15-12G 1 d43404d1512g.htm 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 000-08135 SIGMA-ALDRICH CORPORATION (Exact

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 8-K

Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2015 SIGMA-ALDRICH CORPORATION (Exact name of Registrant as specified in its charter) Delaware 43-1050617 (State or other jurisdiction of incorporation or organizatio

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 POS AM

Sigma-Aldrich POS AM

As filed with the Securities and Exchange Commission on November 18, 2015 Registration No.

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 8-K

Completion of Acquisition or Disposition of Assets

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2015 SIGMA-ALDRICH CORPORATION (Exact name of Registrant as specified in its charter) Delaware 43-1050617 (State or other jurisdiction of incorporation or organizatio

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 18, 2015 EX-99.1

Redemption of All of the 3.375% Senior Notes due 2020

EX-99.1 Exhibit 99.1 Redemption of All of the 3.375% Senior Notes due 2020 St. Louis ? November 18, 2015 ? Sigma-Aldrich Corporation (?Sigma-Aldrich?) announces that it will redeem all of the outstanding 3.375% Senior Notes due 2020 (the ?Notes?). On December 18, 2015 (the ?Redemption Date?), Sigma-Aldrich will redeem all of the outstanding Notes issued under the indenture (the ?Redemption?) at an

November 18, 2015 S-8 POS

Sigma-Aldrich S-8 POS

S-8 POS Registration No. 333-195759 Registration No. 333-183247 Registration No. 333-177866 Registration No. 333-105033 Registration No. 333-49912 Registration No. 333-30528 Registration No. 333-64661 Registration No. 033-62541 Registration No. 033-24415 Registration No. 002-95937 As filed with the Securities and Exchange Commission on November 18, 2015 UNITED STATES SECURITIES AND EXCHANGE COMMIS

November 13, 2015 POS AM

Sigma-Aldrich POS AM

As filed with the Securities and Exchange Commission on November 13, 2015 Registration No.

November 10, 2015 8-K

Financial Statements and Exhibits, Other Events

Form 8-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 10, 2015 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

November 10, 2015 8-K

Temporary Suspension of Trading Under Registrant's Employee Benefit Plans, Financial Statements and Exhibits

Form 8-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 10, 2015 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

November 10, 2015 EX-99.1

Sigma-Aldrich and Merck KGaA, Darmstadt, Germany, Obtain EC Antitrust Approval and Work Toward Closing Planned Acquisition

EX-99.1 Exhibit 99.1 Media Announcement 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956/(314) 771-5765 Fax: (800) 325-505/(314) 771-5757 FORWARD INQUIRIES TO: Sigma-Aldrich Corporation Media Relations Karen Miller 314/286-7996 [email protected] Investor Relations Quintin Lai 314/898-4643 [email protected] Sigma-Aldrich and Merck KGaA, Darmstadt, Germany, Obtain EC Antitrust

November 10, 2015 EX-99.1

Reminder: SOX Notice Regarding Insider Trading During the Sigma-Aldrich 401(k) Retirement Savings Plan Blackout Period

EX-99.1 Exhibit 99.1 Reminder: SOX Notice Regarding Insider Trading During the Sigma-Aldrich 401(k) Retirement Savings Plan Blackout Period November 10, 2015 Dear Director or Executive Officer of Sigma-Aldrich, The necessary antitrust clearances for the acquisition by Merck KGaA, Darmstadt, Germany (?Merck?), of all of the issued and outstanding shares of common stock of Sigma-Aldrich Corporation

November 3, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 3, 2015 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commiss

November 3, 2015 10-Q

Sigma-Aldrich 10-Q (Quarterly Report)

10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 3, 2015 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q3 2015 SALES OF $703 MILLION AND ADJUSTED DILUTED EPS OF $1.00.

Exhibit 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 News Release FOR IMMEDIATE RELEASE - St. Louis, MO, November 3, 2015 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q3 2015 SALES OF $703 MILLION AND ADJUSTED DILUTED EPS OF $1.00. HIGHLIGHTS : Q3 2015 Results (all percentage changes are against the comparable period in 2014) ? Reported

October 20, 2015 8-K

Financial Statements and Exhibits, Other Events

8-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 20, 2015 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-08135 43-1050617 (State or Other (Commission File (IRS Employer Jurisdiction of Nu

October 20, 2015 EX-99.1

###

EX-99.1 EXHIBIT 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956/(314) 771-5765 Fax: (800) 325-505/(314) 771-5757 Media Announcement FORWARD INQUIRIES TO: Sigma-Aldrich Corporation Media Relations Karen Miller 314/286-7996 [email protected] Investor Relations Quintin Lai 314/898-4643 [email protected] Sigma-Aldrich Announces Agreement on Assets Sale to Honeywell to Fulfi

July 30, 2015 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q2 2015 SALES OF $697 MILLION AND ADJUSTED DILUTED EPS OF $1.01.

SIAL - 2015.06.30 - Press Release and Financials 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 FOR IMMEDIATE RELEASE - St. Louis, MO, July 30, 2015 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q2 2015 SALES OF $697 MILLION AND ADJUSTED DILUTED EPS OF $1.01. HIGHLIGHTS : Q2 2015 Results (all changes are against the comparable period in 20

July 30, 2015 8-K

Sigma-Aldrich 8-K (Current Report/Significant Event)

SIAL - 2015.06.30 - 8K Wrapper UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 30, 2015 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of

July 30, 2015 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2015 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

July 22, 2015 8-K

Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 22, 2015 Sigma-Aldrich Corporation (Exact name of registrant as specified in Charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commission

June 29, 2015 11-K

Sigma-Aldrich 11-K

11-K 1 sial-2015x11k.htm 11-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year end: December 31, 2014 ¨ Transition report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-08135 A. Full title

June 15, 2015 8-K

Financial Statements and Exhibits, Other Events

8-K 1 a8-kwrapperxjune152015.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 15, 2015 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdict

June 15, 2015 EX-99.1

Acquisition of Sigma-Aldrich by Merck KGaA, Darmstadt, Germany, Receives Approval from European Union Regulators and from Chinese Ministry of Commerce

2015.06.15 Press Release 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 FORWARD INQUIRIES TO: Sigma-Aldrich Corporation Media Relations Karen Miller 314/286-7996 [email protected] Investor Relations Quintin Lai 314/898-4643 [email protected] Acquisition of Sigma-Aldrich by Merck KGaA, Darmstadt, Germany, Receives Approval fr

June 1, 2015 EX-1.01

Sigma-Aldrich Corporation Conflict Minerals Report For the reporting period from January 1, 2014 to December 31, 2014

Exhibit 1.01 (2014) Exhibit 1.01 Sigma-Aldrich Corporation Conflict Minerals Report For the reporting period from January 1, 2014 to December 31, 2014 This Conflict Minerals Report (the ?Report?) of Sigma-Aldrich Corporation (the ?Company?) has been prepared pursuant to Rule 13p-1 and Form SD (the ?Rule?) promulgated under the Securities Exchange Act of 1934 for the reporting period January 1, 201

June 1, 2015 SD

Sigma-Aldrich SD

FORM SD (2014) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 3050 Spruce Street St. Louis, Missouri (Addres

May 7, 2015 EX-10.1

RESTRICTED CASH AWARD AGREEMENT

Exhibit 10.1 RESTRICTED CASH AWARD AGREEMENT This Restricted Cash Award Agreement (this ?Agreement?) is made effective as of February , 2015 (the ?Grant Date?), by and between Sigma-Aldrich Corporation (the ?Company?) and (?Employee?). WHEREAS, the Board of Directors of the Company has adopted and the shareholders of the Company have approved the Sigma-Aldrich Corporation 2014 Long-Term Incentive

May 7, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 sial-20150331x8kwrapper.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 7, 2015 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdicti

May 7, 2015 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q1 2015 SALES OF $676 MILLION AND ADJUSTED DILUTED EPS OF $1.06. DECLARES $0.23 QUARTERLY DIVIDEND.

SIAL - 2015.03.31 - Press Release and Financials 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 FOR IMMEDIATE RELEASE - St. Louis, MO, May 7, 2015 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q1 2015 SALES OF $676 MILLION AND ADJUSTED DILUTED EPS OF $1.06. DECLARES $0.23 QUARTERLY DIVIDEND. HIGHLIGHTS : Q1 2015 Results (all percentage cha

May 7, 2015 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2015 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

May 5, 2015 8-K

Submission of Matters to a Vote of Security Holders

2015 Voting Results 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 15, 2015 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 13, 2015 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission Fil

March 20, 2015 DEFA14A

Sigma-Aldrich DEFA 14A

DEFA14A 1 d887750ddefa14a.htm DEFA 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (RULE 14A-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box:

March 20, 2015 DEF 14A

Sigma-Aldrich DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

February 12, 2015 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-8135

February 12, 2015 EX-21

SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2014

Exhibit 21 SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2014 Sigma-Aldrich Corporation (Delaware), the Registrant: 1) Sigma-Aldrich Co.

February 12, 2015 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS RECORD FULL-YEAR 2014 SALES OF $2.79 BILLION AND RECORD ADJUSTED DILUTED EPS OF $4.37. REPORTS Q4 2014 ADJUSTED DILUTED EPS OF $1.14 AND ORGANIC SALES GROWTH OF 7%. DECLARES $0.23 PER SHARE QUARTERLY DIVIDEND.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, February 12, 2015 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS RECORD FULL-YEAR 2014 SALES OF $2.79 BILLION AND RECORD ADJUSTED DILUTED EPS OF $4.37. REPORTS Q4 2014 AD

February 12, 2015 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 sial-20141231x8kwrapper.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 12, 2015 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Juri

February 11, 2015 SC 13G/A

SIAL / Sigma-Aldrich Corporation / VANGUARD GROUP INC Passive Investment

sigmaaldrichcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4 )* Name of issuer: Sigma-Aldrich Corp Title of Class of Securities: Common Stock CUSIP Number: 826552101 Date of Event Which Requires Filing of this Statement: December 31, 2014 Check the appropriate box

December 5, 2014 EX-99.1

3050 Spruce Street, St. Louis, MO 63103 USA

EX-99.1 Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956/(314) 771-5765 Fax: (800) 325-505/(314) 771-5757 News Release FOR IMMEDIATE RELEASE SIGMA-ALDRICH STOCKHOLDERS APPROVE ACQUISITION BY MERCK KGaA St. Louis, MO, December 5, 2014—Sigma-Aldrich Corporation (NASDAQ: SIAL) stockholders voted to adopt the previously announced merger agreement providing for the acquisiti

December 5, 2014 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2014 Sigma-Aldrich Corporation (Exact name of registrant as specified in Charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commiss

November 25, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d827819ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

November 25, 2014 8-K

Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 25, 2014 Sigma-Aldrich Corporation (Exact name of registrant as specified in Charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commis

November 21, 2014 8-K

Other Events

8-K 1 d825981d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2014 Sigma-Aldrich Corporation (Exact name of registrant as specified in Charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of i

November 21, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d826041ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

November 4, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨

November 3, 2014 DEFM14A

SIAL / Sigma-Aldrich Corporation DEFM14A - - DEFM14A

DEFM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

October 30, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d813604ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

October 28, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d810900ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

October 23, 2014 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q3 2014 RESULTS WITH SALES OF $690 MILLION AND ADJUSTED DILUTED EPS OF $1.06. DECLARES $0.23 PER SHARE QUARTERLY DIVIDEND.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, October 23, 2014 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS Q3 2014 RESULTS WITH SALES OF $690 MILLION AND ADJUSTED DILUTED EPS OF $1.06. DECLARES $0.23 PER SHARE QUA

October 23, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 23, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

October 23, 2014 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2014 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File N

October 22, 2014 PREM14A

SIAL / Sigma-Aldrich Corporation PREM14A - - PRELIMINARY PROXY STATEMENT

Preliminary Proxy Statement Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

October 8, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d801496ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

October 2, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d798384ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

October 2, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d799726ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

October 1, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d798384ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

September 26, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d795093ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

September 25, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 21, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commissio

September 24, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d794315ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

September 23, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨

September 23, 2014 DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101) Filed by the Registrant ¨ Filed by a party other than the Registrant x Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definit

September 23, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨

September 23, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨

September 23, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

September 23, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨

September 22, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER SIGMA-ALDRICH CORPORATION, MERCK KGAA, MARIO II FINANCE CORP. Dated as of September 22, 2014 TABLE OF CONTENTS Page Article I The Merger; Closing; Effective Time 1.1 The Merger 1 1.2 Closing 1 1.3 Effective Time 2 1.4 Eff

Agreement and Plan of Merger Exhibit 2.1 AGREEMENT AND PLAN OF MERGER among SIGMA-ALDRICH CORPORATION, MERCK KGAA, and MARIO II FINANCE CORP. Dated as of September 22, 2014 TABLE OF CONTENTS Page Article I The Merger; Closing; Effective Time 1.1 The Merger 1 1.2 Closing 1 1.3 Effective Time 2 1.4 Effects of Merger 2 Article II Certificate of Incorporation and Bylaws of the Surviving Corporation 2.

September 22, 2014 EX-99.1

Page 1 of 7

Joint Press Release Exhibit 99.1 Your Contact News Release Nicole Mommsen Markus Talanow Investor Relations +49 151 1454 2005 +49 6151 72-7144 +49 6151 72-3321 September 22, 2014 Merck KGaA to Acquire Sigma-Aldrich to Enhance Position in Attractive Life Science Industry • Merck KGaA to acquire Sigma-Aldrich for $140 per share in cash, valuing company at approx. $17 billion (€13.1 billion) • Acquis

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

September 22, 2014 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

8-K 1 d792539d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 22, 2014 Sigma-Aldrich Corporation (Exact name of registrant as specified in Charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

September 22, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER SIGMA-ALDRICH CORPORATION, MERCK KGAA, MARIO II FINANCE CORP. Dated as of September 22, 2014 TABLE OF CONTENTS Page Article I The Merger; Closing; Effective Time 1.1 The Merger 1 1.2 Closing 1 1.3 Effective Time 2 1.4 Eff

EX-2.1 2 d792539dex21.htm AGREEMENT AND PLAN OF MERGER Exhibit 2.1 AGREEMENT AND PLAN OF MERGER among SIGMA-ALDRICH CORPORATION, MERCK KGAA, and MARIO II FINANCE CORP. Dated as of September 22, 2014 TABLE OF CONTENTS Page Article I The Merger; Closing; Effective Time 1.1 The Merger 1 1.2 Closing 1 1.3 Effective Time 2 1.4 Effects of Merger 2 Article II Certificate of Incorporation and Bylaws of th

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - 8-K

DEFA14A 1 d792539d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 22, 2014 Sigma-Aldrich Corporation (Exact name of registrant as specified in Charter) Delaware 000-08135 43-1050617 (State or other jurisdiction

September 22, 2014 DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Rule 14a-101) Filed by the Registrant ? Filed by a Party other than the Registrant x Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definit

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confide

September 22, 2014 EX-99.1

Page 1 of 7

Joint Press Release Exhibit 99.1 Your Contact News Release Nicole Mommsen Markus Talanow Investor Relations +49 151 1454 2005 +49 6151 72-7144 +49 6151 72-3321 September 22, 2014 Merck KGaA to Acquire Sigma-Aldrich to Enhance Position in Attractive Life Science Industry • Merck KGaA to acquire Sigma-Aldrich for $140 per share in cash, valuing company at approx. $17 billion (€13.1 billion) • Acquis

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

September 22, 2014 DEFA14A

SIAL / Sigma-Aldrich Corporation DEFA14A - - DEFA14A

DEFA14A 1 d793161ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a party other than the Registrant ¨ Check the appropriate box: ¨

July 24, 2014 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS RECORD Q2 2014 RESULTS WITH SALES OF $701 MILLION AND DILUTED EPS OF $1.11. RAISES LOWER-END OF FULL-YEAR 2014 ADJUSTED DILUTED EPS GUIDANCE TO A NEW RANGE OF $4.32 TO $4.40.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, July 24, 2014 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS RECORD Q2 2014 RESULTS WITH SALES OF $701 MILLION AND DILUTED EPS OF $1.11. RAISES LOWER-END OF FULL-YEAR 201

July 24, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 24, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission Fil

July 24, 2014 EX-3.1

CERTIFICATE OF INCORPORATION (CONFORMED COPY) SIGMA-ALDRICH CORPORATION

Exhibit 3.1 CERTIFICATE OF INCORPORATION (CONFORMED COPY) OF SIGMA-ALDRICH CORPORATION FIRST: The name of the corporation is Sigma-Aldrich Corporation. SECOND: The address of its registered office in the State of Delaware is No. 100 West Tenth Street, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is The Corporation Trust Company. THIRD: The purpo

July 24, 2014 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2014 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

July 11, 2014 CORRESP

SIAL / Sigma-Aldrich Corporation CORRESP - -

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 July 11, 2014 VIA EDGAR Mr. John Cash Accounting Branch Chief Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Re: Sigma-Aldrich Corporation Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 6, 2014 Defin

June 20, 2014 11-K

- 11-K

11-K 1 sial-2014x11k.htm 11-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year end: December 31, 2013 ¨ Transition report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-08135 A. Full title

June 20, 2014 EX-23.0

Consent of Independent Registered Public Accounting Firm

Exhibit 23 Consent of Independent Registered Public Accounting Firm We consent to incorporation by reference in the Registration Statement (Form S-8 No.

June 17, 2014 CORRESP

-

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 June 17, 2014 VIA EDGAR Mr. John Cash Accounting Branch Chief Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Re: Sigma-Aldrich Corporation Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 6, 2014 Defin

June 6, 2014 CORRESP

-

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 June 6, 2014 VIA EDGAR Mr. John Cash Accounting Branch Chief Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Re: Sigma-Aldrich Corporation Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 6, 2014 Defini

May 30, 2014 EX-1.02

Sigma-Aldrich Corporation Conflict Minerals Report For the reporting period from January 1, 2013 to December 31, 2013

EX-1.02 2 ex102.htm EXHIBIT Exhibit 1.02 Sigma-Aldrich Corporation Conflict Minerals Report For the reporting period from January 1, 2013 to December 31, 2013 This Conflict Minerals Report (the “Report”) of Sigma-Aldrich Corporation (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934 for the reporting period Januar

May 30, 2014 SD

- SD

SD 1 formsd2013.htm SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 3050 Spruce Street St. Louis, Missouri

May 7, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 6, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File

May 7, 2014 EX-3.1

CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION SIGMA-ALDRICH CORPORATION

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF SIGMA-ALDRICH CORPORATION Sigma-Aldrich Corporation (the “Company”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, hereby certifies as follows: FIRST: That at a meeting of the Board of Directors of the Company resolutions were duly adopted setting forth pr

May 7, 2014 S-8

- S-8

As filed with the Securities and Exchange Commission on May 7, 2014 Registration No.

April 29, 2014 CORRESP

-

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 April 29, 2014 VIA EDGAR Mr. John Cash Accounting Branch Chief Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Re: Sigma-Aldrich Corporation Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 6, 2014 Defi

April 24, 2014 EX-99.1

SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS RECORD Q1 2014 RESULTS WITH SALES OF $689 MILLION AND ADJUSTED DILUTED EPS OF $1.06. REAFFIRMS FULL-YEAR 2014 ADJUSTED DILUTED EPS GUIDANCE OF $4.30 TO $4.40.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, April 24, 2014 SIGMA-ALDRICH (NASDAQ - SIAL) REPORTS RECORD Q1 2014 RESULTS WITH SALES OF $689 MILLION AND ADJUSTED DILUTED EPS OF $1.06. REAFFIRMS FULL-YEAR 201

April 24, 2014 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

10-Q 1 sial-20140331xq110q.htm 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2014 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition

April 24, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 24, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission Fi

April 24, 2014 EX-10.1

PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED

Exhibit 10.1 PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED This PERFORMANCE SHARE AWARD AGREEMENT (this ?Agreement?) is made under the Sigma-Aldrich Corporation 2003 Long-Term Incentive Plan, as amended (the ?Plan?) by and between Sigma-Aldrich Corporation (the ?Company?) and Jan A. Bertsch (?Employee?) as of February 10, 2014 (?Awa

April 24, 2014 EX-10.3

SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN (As Amended) NON-QUALIFIED STOCK OPTION AGREEMENT

Exhibit 10.3 SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN (As Amended) NON-QUALIFIED STOCK OPTION AGREEMENT THIS NON-QUALIFIED STOCK OPTION AGREEMENT (this ?Agreement?) is made as of February 10, 2014 by and between Sigma-Aldrich Corporation (the ?Company?) and Jan A. Bertsch (the ?Awardee?). WHEREAS, the Board of Directors of the Company has adopted and the shareholders of the Company

April 24, 2014 EX-10.2

PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED

Exhibit 10.2 PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED This PERFORMANCE SHARE AWARD AGREEMENT (this ?Agreement?) is made under the Sigma-Aldrich Corporation 2003 Long-Term Incentive Plan, as amended (the ?Plan?) by and between Sigma-Aldrich Corporation (the ?Company?) and Jan A. Bertsch (?Employee?) as of February 10, 2014 (?Awa

March 21, 2014 DEFA14A

- DEFA14A

DEFA14A 1 a2014proxynotice.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨

March 21, 2014 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 21, 2014 CORRESP

-

CORRESP 1 filename1.htm 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 March 21, 2014 VIA EDGAR SUBMISSION United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Sigma-Aldrich Corporation Definitive Proxy Statement on Schedule 14A File No. 000-08135 Ladies and Gentlemen: On behalf of Sigma-Al

March 7, 2014 PRE 14A

- PRE 14A

PRE 14A 1 a2014proxystatement.htm PRE 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box:

February 13, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 10, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

February 11, 2014 SC 13G/A

SIAL / Sigma-Aldrich Corporation / VANGUARD GROUP INC Passive Investment

sigmaaldrichcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3 )* Name of issuer: Sigma-Aldrich Corp Title of Class of Securities: Common Stock CUSIP Number: 826552101 Date of Event Which Requires Filing of this Statement: December 31, 2013 Check the appropriate box

February 6, 2014 EX-10.20

AMENDMENT NO. 1 CREDIT AGREEMENT

EX-10.20 2 sial-20131231xexhibit1020x.htm CREDIT AGREEMENT AMENDMENT NO. 1 Exhibit 10.20 AMENDMENT NO. 1 to CREDIT AGREEMENT THIS AMENDMENT NO. 1 TO CREDIT AGREEMENT (the “Amendment”) is made as of December 2, 2013 (the “Effective Date”), by and among SIGMA-ALDRICH CORPORATION (the “Borrower”), the financial institutions listed on the signature pages hereto (the “Lenders”) and WELLS FARGO BANK, NA

February 6, 2014 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS RECORD Q4 2013 AND FULL-YEAR 2013 RESULTS. REPORTS Q4 2013 ADJUSTED DILUTED EPS OF $1.02 AND ORGANIC SALES GROWTH OF 6%. REPORTS FULL-YEAR 2013 ADJUSTED DILUTED EPS OF $4.12. EXPECTS FULL YEAR 2014 ADJUSTED DILUTE

EX-99.1 2 sial-20131231xpressrelease.htm EXHIBIT 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, February 6, 2014 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS RECORD Q4 2013 AND FULL-YEAR 2013 RESULTS. REPORTS Q4 2013

February 6, 2014 EX-10.25

SIGMA ALDRICH 401(k) RESTORATION PLAN SIGMA ALDRICH 401(k) RESTORATION PLAN Table of Contents Page ADOPTION OF THE PLAN AND EFFECTIVE DATE 2 SECTION 1 DEFINITIONS 3 A. “Account” 3 B. “Administrative Committee” 3 C. “Beneficiary” 3 D. “Bonus Plan” 3 E

EX-10.25 3 sial-20131231xexhibit1025x.htm 401(K) RESTORATION PLAN Exhibit 10.25 SIGMA ALDRICH 401(k) RESTORATION PLAN SIGMA ALDRICH 401(k) RESTORATION PLAN Table of Contents Page ADOPTION OF THE PLAN AND EFFECTIVE DATE 2 SECTION 1 DEFINITIONS 3 A. “Account” 3 B. “Administrative Committee” 3 C. “Beneficiary” 3 D. “Bonus Plan” 3 E. “Change in Control” 3 F. “Code” 4 G. “Company” 4 H. “Compensation” 4

February 6, 2014 EX-21

SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2013

EX-21 4 sial-20131231xexhibit21xsu.htm EXHIBIT 21 Exhibit 21 SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2013 Sigma-Aldrich Corporation (Delaware), the Registrant: 1) Sigma-Aldrich Co. LLC (Delaware) (A) Sigma-Aldrich Grundstücks GmbH & Co. KG (Germany)1 (B) Sigma-Aldrich Israel Ltd. (Israel) (C) Sigma-Aldrich Lancaster, Inc. (Missouri) (1) Techcare Systems, Inc. (California) (D) KL

February 6, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 sial-20131231x8kwrapper.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 6, 2014 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Juris

February 6, 2014 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–K (Mark one) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-8135

January 13, 2014 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 investorpresentation8-k911.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2014 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other ju

January 13, 2014 EX-99.1

J.P. MORGAN HEALTHCARE CONFERENCE JANUARY 2014 J.P. MORGAN HEALTHCARE CONFERENCE SIGMA-ALDRICH © 2014 Sigma-Aldrich Co. LLC. All rights reserved. 2 | J.P. MORGAN HEALTHCARE CONFERENCE © 2014 Sigma-Aldrich Co. LLC. All rights reserved. CAUTIONARY STAT

jpmorgan011314 J.P. MORGAN HEALTHCARE CONFERENCE JANUARY 2014 J.P. MORGAN HEALTHCARE CONFERENCE SIGMA-ALDRICH © 2014 Sigma-Aldrich Co. LLC. All rights reserved. 2 | J.P. MORGAN HEALTHCARE CONFERENCE © 2014 Sigma-Aldrich Co. LLC. All rights reserved. CAUTIONARY STATEMENTS This presentation contains “forward-looking statements” regarding future sales, earnings, return on equity, return on invested c

December 2, 2013 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 2, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

October 22, 2013 EX-25.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ¨ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) DEUTSCHE BANK TRUST COMPANY AMERICAS (formerly BANKERS TRUST COMPANY) (Exact name of trustee as specifi

October 22, 2013 EX-10.4

SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN (As Amended) NON-QUALIFIED STOCK OPTION AGREEMENT

EX-10.4 5 sial-20130930xexhibit104xn.htm EXHIBIT 10.4 Exhibit 10.4 SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN (As Amended) NON-QUALIFIED STOCK OPTION AGREEMENT THIS NON-QUALIFIED STOCK OPTION AGREEMENT (this “Agreement”) is made as of September 3, 2013 by and between Sigma-Aldrich Corporation (the “Company”) and Rakesh Sachdev (the “Awardee”). WHEREAS, the Board of Directors of the Co

October 22, 2013 EX-12.1

Sigma-Aldrich Corporation Computation of Ratio of Earnings to Fixed Charges (amounts in millions except ratios) Nine months ended September 30, Twelve months ended December 31, 2013 2012 2011 2010 2009 2008 Fixed Charges: Interest Expense $ 8 $ 11 $

EX-12.1 Exhibit 12.1 Sigma-Aldrich Corporation Computation of Ratio of Earnings to Fixed Charges (amounts in millions except ratios) Nine months ended September 30, Twelve months ended December 31, 2013 2012 2011 2010 2009 2008 Fixed Charges: Interest Expense $ 8 $ 11 $ 15 $ 13 $ 15 $ 23 Capitalized Interest 1 3 2 3 3 2 Portion of rent expense representative of interest factor 11 14 14 13 13 14 Fi

October 22, 2013 EX-10.1

AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT

Exhibit 10.1 AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT (?Agreement?) is made effective as of January 1, 2014 (the ?Effective Date?) by and between the Sigma-Aldrich Corporation, a Delaware corporation (?Company?) and Rakesh Sachdev (?Executive?). WHEREAS, Executive and the Company have previously executed and delivered a certain Ex

October 22, 2013 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q3 2013 SALES OF $664 MILLION, ORGANIC SALES GROWTH OF 5% AND ADJUSTED DILUTED EPS OF $1.05. REAFFIRMS FULL YEAR 2013 ORGANIC SALES OUTLOOK. NARROWS ADJUSTED DILUTED EPS OUTLOOK TO A NEW RANGE OF $4.08 TO $4.15.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, October 22, 2013 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q3 2013 SALES OF $664 MILLION, ORGANIC SALES GROWTH OF 5% AND ADJUSTED DILUTED EPS OF $1.05. REAFFIRMS FULL

October 22, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 22, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

October 22, 2013 S-3ASR

- FORM S-3

S-3ASR 1 d613526ds3asr.htm FORM S-3 Table of Contents As filed with the Securities and Exchange Commission on October 22, 2013 Registration Statement No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SIGMA-ALDRICH CORPORATION (Exact name of registrant as specified in its charter) Delaware 43-1050617 (St

October 22, 2013 EX-10.3

PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED

EX-10.3 4 sial-20130930xexhibit103xp.htm EXHIBIT 10.3 Exhibit 10.3 PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED This PERFORMANCE SHARE AWARD AGREEMENT (this “Agreement”) is made under the Sigma-Aldrich Corporation 2003 Long-Term Incentive Plan, as amended (the “Plan”) by and between Sigma-Aldrich Corporation (the “Company”) and Rak

October 22, 2013 EX-10.2

PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED

EX-10.2 3 sial-20130930xexhibit102xp.htm EXHIBIT 10.2 Exhibit 10.2 PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED This PERFORMANCE SHARE AWARD AGREEMENT (this “Agreement”) is made under the Sigma-Aldrich Corporation 2003 Long-Term Incentive Plan, as amended (the “Plan”) by and between Sigma-Aldrich Corporation (the “Company”) and Rak

October 22, 2013 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2013 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File N

September 11, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 11, 2013 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commissio

September 11, 2013 EX-99.1

© 2013 Sigma-Aldrich Co. All rights reserved. Sigma-Aldrich Corporation •September 2013 Investor Information © 2013 Sigma-Aldrich Co. All rights reserved. 2 Cautionary Statements • This presentations contains “forward-looking statements” regarding fu

a2013septemberinvestorin © 2013 Sigma-Aldrich Co. All rights reserved. Sigma-Aldrich Corporation •September 2013 Investor Information © 2013 Sigma-Aldrich Co. All rights reserved. 2 Cautionary Statements • This presentations contains “forward-looking statements” regarding future sales, earnings, return on equity, return on invested capital, cost savings, process improvements, free cash flow, share

September 6, 2013 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 a8-kfornewemploymentagreem.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September3, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Ju

July 23, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2013 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commission Fil

July 23, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 23, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission Fil

July 23, 2013 EX-99.1

© 2013 Sigma-Aldrich Co. All rights reserved. Sigma-Aldrich Corporation •Q2 2013 Earnings Review & 2013 Outlook Enabling Science to Improve the Quality of Life © 2013 Sigma-Aldrich Co. All rights reserved. 2 Cautionary Statements • The earnings call

© 2013 Sigma-Aldrich Co. All rights reserved. Sigma-Aldrich Corporation •Q2 2013 Earnings Review & 2013 Outlook Enabling Science to Improve the Quality of Life © 2013 Sigma-Aldrich Co. All rights reserved. 2 Cautionary Statements • The earnings call and this presentation contain “forward-looking statements” regarding future sales, earnings, return on equity, cost savings, process improvements, fre

July 23, 2013 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2013 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

July 23, 2013 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q2 2013 SALES AND ADJUSTED EPS OF $681 MILLION AND $1.05, RESPECTIVELY, BOTH RECORD QUARTERLY HIGHS. REAFFIRMS FULL YEAR 2013 ORGANIC SALES OUTLOOK. UPDATES DILUTED ADJUSTED EPS OUTLOOK TO A NEW RANGE OF $4.05 TO

EX-99.1 2 sial-20130630xpressrelease.htm EXHIBIT 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, July 23, 2013 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q2 2013 SALES AND ADJUSTED EPS OF $681 MILLION AND $1.05, RES

June 21, 2013 EX-23.0

EX-23.0

June 21, 2013 11-K

- 11-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year end: December 31, 2012 ¨ Transition report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-08135 A. Full title of the plan and the address of

June 3, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2013 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commission File

June 3, 2013 EX-99.1

© 2013 Sigma-Aldrich Co. All rights reserved. Sigma-Aldrich Corporation •June 2013 Investor Information © 2013 Sigma-Aldrich Co. All rights reserved. 2 Cautionary Statements • This presentation contains “forward-looking statements” regarding future s

a2013juneinvestorinforma © 2013 Sigma-Aldrich Co. All rights reserved. Sigma-Aldrich Corporation •June 2013 Investor Information © 2013 Sigma-Aldrich Co. All rights reserved. 2 Cautionary Statements • This presentation contains “forward-looking statements” regarding future sales, earnings, return on invested capital, cost savings, process improvements, free cash flow, share repurchases, capital ex

May 10, 2013 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 a2013votingresults8-k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 7, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction

April 25, 2013 EX-10.1

RESTRICTED STOCK UNIT AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN AS AMENDED

Exhibit 10.1 RESTRICTED STOCK UNIT AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN AS AMENDED THIS RESTRICTED STOCK UNIT AGREEMENT (this ?Agreement?) governs restricted stock unit awards issued under the Sigma-Aldrich Corporation (the ?Company?) 2003 Long-Term Incentive Plan, as amended (the ?Plan?), on or after January 1, 2013: BACKGROUND The Board of Directors of the

April 25, 2013 EX-10.2

PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED

EX-10.2 3 sial-20130331xexhibit102x2.htm EXHIBIT Exhibit 10.2 PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED This Performance Share Award Agreement (this “Agreement”) governs performance share awards issued under the Sigma-Aldrich Corporation (the “Company”) 2003 Long-Term Incentive Plan, as amended (the “Plan”), on or after January

April 25, 2013 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

10-Q 1 sial-20130331xq110q.htm 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2013 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition

April 25, 2013 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q1 2013 SALES AND EPS OF $675 MILLION AND $1.01, RESPECTIVELY, BOTH RECORD QUARTERLY HIGHS. REAFFIRMS FULL YEAR 2013 DILUTED ADJUSTED EPS OUTLOOK OF $4.10 TO $4.20.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, April 25, 2013 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q1 2013 SALES AND EPS OF $675 MILLION AND $1.01, RESPECTIVELY, BOTH RECORD QUARTERLY HIGHS. REAFFIRMS FULL YE

April 25, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 25, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 22, 2013 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 22, 2013 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 15, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 11, 2013 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commission

February 14, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 investorpresentation8-k21.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2013 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other ju

February 14, 2013 EX-99.1

© 2013 Sigma-Aldrich Co. LLC. All rights reserved. Sigma-Aldrich Corporation February 2013 Investor Information © 2013 Sigma-Aldrich Co. LLC. All rights reserved. 2 Cautionary Statements • The earnings call and this presentation contain “forward-look

EX-99.1 2 a2013februaryinvestorinf.htm PRESENTATION SLIDES © 2013 Sigma-Aldrich Co. LLC. All rights reserved. Sigma-Aldrich Corporation February 2013 Investor Information © 2013 Sigma-Aldrich Co. LLC. All rights reserved. 2 Cautionary Statements • The earnings call and this presentation contain “forward-looking statements” regarding future sales, earnings, return on equity, cost savings, process i

February 12, 2013 SC 13G/A

SIAL / Sigma-Aldrich Corporation / VANGUARD GROUP INC Passive Investment

sigmaaldrichcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2 )* Name of issuer: Sigma-Aldrich Corp Title of Class of Securities: Common Stock CUSIP Number: 826552101 Date of Event Which Requires Filing of this Statement: December 31, 2012 Check the appropriate box

February 7, 2013 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?K (Mark one) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2012 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-8135

February 7, 2013 EX-21

SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2012

Exhibit 21 SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2012 Sigma-Aldrich Corporation (Delaware), the Registrant: 1) Sigma-Aldrich Co.

February 7, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 7, 2013 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

February 7, 2013 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS RECORD FULL YEAR 2012 RESULTS. REPORTS Q4 2012 DILUTED EPS OF $0.96. Q4 2012 SALES INCREASED 7%. FULL YEAR 2012 ADJUSTED DILUTED EPS WAS $3.85. EXPECTS FULL YEAR 2013 ADJUSTED DILUTED EPS TO INCREASE TO $4.10 - $4

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, February 7, 2013 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS RECORD FULL YEAR 2012 RESULTS. REPORTS Q4 2012 DILUTED EPS OF $0.96. Q4 2012 SALES INCREASED 7%. FULL YEAR

January 7, 2013 EX-99.1

© 2012 Sigma-Aldrich Co. LLC. All rights reserved. Sigma-Aldrich Corporation January 2013 Investor Information © 2013 Sigma-Aldrich Co. LLC. All rights reserved. 2 Cautionary Statements • This presentation contains “forward-looking statements” regard

a2013januaryinvestorinfo © 2012 Sigma-Aldrich Co. LLC. All rights reserved. Sigma-Aldrich Corporation January 2013 Investor Information © 2013 Sigma-Aldrich Co. LLC. All rights reserved. 2 Cautionary Statements • This presentation contains “forward-looking statements” regarding future sales, earnings, return on equity, cost savings, process improvements, free cash flow, share repurchases, capital

January 7, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 7, 2013 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commission F

November 19, 2012 EX-99.1

SIGMA-ALDRICH ALIGNS INTO THREE NEW MARKET-FOCUSED BUSINESS UNITS

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, November 19, 2012 SIGMA-ALDRICH ALIGNS INTO THREE NEW MARKET-FOCUSED BUSINESS UNITS Effective January 1, 2013, Sigma-Aldrich Corporation (NASDAQ: SIAL) will alig

November 19, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 19, 2012 Sigma-Aldrich Corporation (Exact name of registrant as specified in charter) Delaware 000-08135 43-1050617 (State or other jurisdiction of incorporation) (Commission

October 23, 2012 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q3 2012 DILUTED EPS OF $0.92 AND DILUTED ADJUSTED EPS OF $0.94. SALES INCREASED 2% FOR Q3 2012. REAFFIRMS FULL YEAR 2012 ADJUSTED DILUTED EPS OF $3.80 to $3.90.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, October 23, 2012 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q3 2012 DILUTED EPS OF $0.92 AND DILUTED ADJUSTED EPS OF $0.94. SALES INCREASED 2% FOR Q3 2012. REAFFIRMS F

October 23, 2012 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2012 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File N

October 23, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 sial-2012930xwrapper.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 23, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdic

September 19, 2012 EX-99.1

SIGMA-ALDRICH ELECTS MICHAEL MARBERRY AS DIRECTOR

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 News Release FORWARD INQUIRIES TO: Quintin Lai Sigma-Aldrich Corporation 314-898-4643 [email protected] FOR IMMEDIATE RELEASE SIGMA-ALDRICH ELECTS MICHAEL MARBERRY AS DIRECTOR St. Louis, MO, September 19, 2012 – The Board of Directors of Sigma-Aldrich Corporation (NASDAQ: SIAL) has

September 19, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 18, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commissio

August 10, 2012 EX-4.3

SIGMA ALDRICH 401(k) RETIREMENT SAVINGS PLAN As amended and restated effective January 1, 2007 SIGMA ALDRICH 401(k) RETIREMENT SAVINGS PLAN

EXHIBIT 4.3 SIGMA ALDRICH 401(k) RETIREMENT SAVINGS PLAN As amended and restated effective January 1, 2007 1 SIGMA ALDRICH 401(k) RETIREMENT SAVINGS PLAN WHEREAS, Sigma-Aldrich Corporation maintains a form of profit sharing plan known as the "SIGMA-ALDRICH 401(K) RETIREMENT SAVINGS PLAN" ("Plan") designed to comply with the provisions of the United States Internal Revenue Code (the "Code") and the

August 10, 2012 EX-4.7

FOURTH AMENDMENT TO THE SIGMA-ALDRICH 401(K) RETIREMENT SAVINGS PLAN

EXHIBIT 4.7 FOURTH AMENDMENT TO THE SIGMA-ALDRICH 401(K) RETIREMENT SAVINGS PLAN WHEREAS, Sigma-Aldrich Corporation (“Company”) previously adopted the Sigma-Aldrich 401(k) Retirement Savings Plan (“Plan”); WHEREAS, the Company reserved the right to amend the Plan pursuant to Section 10 thereof; and WHEREAS, the Plan has been amended from time to time and the Company currently desires to amend the

August 10, 2012 EX-4.5

SECOND AMENDMENT 401(k) RETIREMENT SAVINGS PLAN (2007 Restatement)

EX-4.5 4 exhibit4-5.htm EXHIBIT 4.5 EXHIBIT 4.5 SECOND AMENDMENT SIGMA-ALDRICH 401(k) RETIREMENT SAVINGS PLAN (2007 Restatement) Sigma-Aldrich Corporation ("Sponsor") established the Sigma-Aldrich 401(k) Retirement Savings Plan ("Plan") effective December 31, 1983. The Plan has been amended from time to time, most recently in the form of an amendment and complete restatement effective as of Januar

August 10, 2012 EX-4.4

FIRST AMENDMENT 401(k) RETIREMENT SAVINGS PLAN (2007 Restatement)

EXHIBIT 4.4 FIRST AMENDMENT SIGMA-ALDRICH 401(k) RETIREMENT SAVINGS PLAN (2007 Restatement) Sigma-Aldrich Corporation ("Sponsor") established the Sigma-Aldrich 401(k) Retirement Savings Plan ("Plan") effective December 31, 1983. The Plan has been amended from time to time, most recently in the form of an amendment and complete restatement effective as of January 1, 2007 ("2007 Restatement"). The S

August 10, 2012 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on August 10, 2012 Registration No.

August 10, 2012 EX-4.6

THIRD AMENDMENT 401(k) RETIREMENT SAVINGS PLAN (2007 Restatement)

EXHIBIT 4.6 THIRD AMENDMENT SIGMA-ALDRICH 401(k) RETIREMENT SAVINGS PLAN (2007 Restatement) Sigma-Aldrich Corporation ("Sponsor") established the Sigma-Aldrich 401(k) Retirement Savings Plan ("Plan") effective December 31, 1983. The Plan has been amended from time to time, most recently in the form of an amendment and complete restatement effective as of January 1, 2007 ("2007 Restatement"). The S

August 10, 2012 EX-24.1

POWER OF ATTORNEY

EX-24.1 10 exhibit24-1.htm EXHIBIT 24.1 EXHIBIT 24.1 POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints Rakesh Sachdev, George L. Miller and Douglas W. Rau and each of them (with full power to each of them to act alone), his or her true and lawful attorneys in fact and agents, with full power of substitution, for him or her and on his or her behalf and in h

August 10, 2012 EX-4.8

FIFTH AMENDMENT TO THE SIGMA-ALDRICH 401(K) RETIREMENT SAVINGS PLAN

EXHIBIT 4.8 FIFTH AMENDMENT TO THE SIGMA-ALDRICH 401(K) RETIREMENT SAVINGS PLAN WHEREAS, Sigma-Aldrich Corporation (“Company”) previously adopted the Sigma-Aldrich 401(k) Retirement Savings Plan (“Plan”); and WHEREAS, the Company reserved the right to amend the Plan pursuant to Section 10 thereof; and WHEREAS, the Plan has been amended from time to time and the Company currently desires to amend t

July 24, 2012 EX-10.1

CREDIT AGREEMENT Dated as of May 10, 2012 among Sigma-Aldrich Corporation, The Lenders Party Hereto, and Wells Fargo Bank, National Association, as Administrative Agent, Swingline Lender and Letter of Credit Issuer Wells Fargo Securities, LLC, Merril

Exhibit 10.1 EXECUTION COPY Published CUSIP Number: Revolving Credit CUSIP Number: CREDIT AGREEMENT Dated as of May 10, 2012 among Sigma-Aldrich Corporation, The Lenders Party Hereto, and Wells Fargo Bank, National Association, as Administrative Agent, Swingline Lender and Letter of Credit Issuer Wells Fargo Securities, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and J.P. Morgan Securi

July 24, 2012 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q2 2012 DILUTED EPS OF $0.94, WITH DILUTED ADJUSTED EPS OF $0.97. SALES INCREASE 4% FOR Q2 2012. EXPECTS FULL YEAR 2012 ADJUSTED DILUTED EPS OF $3.80 to $3.90. BOARD DECLARES $0.20 QUARTERLY DIVIDEND.

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Quintin Lai Vice President, Investor Relations (314) 898-4643 FOR IMMEDIATE RELEASE - St. Louis, MO, July 24, 2012 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q2 2012 DILUTED EPS OF $0.94, WITH DILUTED ADJUSTED EPS OF $0.97. SALES INCREASE 4% FOR Q2 2012. EXPECTS FULL

July 24, 2012 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

10-Q 1 sial-2012630x10q.htm FORM 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2012 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition

July 24, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 sial-2012630xwrapper.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 18, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdictio

July 24, 2012 EX-3.2

SIGMA-ALDRICH CORPORATION (A Delaware Corporation) ARTICLE I. OFFICES

EX-3.2 2 sial-2012630x10qxex32.htm CORPORATE BYLAWS AS AMENDED Exhibit 3.2 SIGMA-ALDRICH CORPORATION (A Delaware Corporation) BY-LAWS ARTICLE I. OFFICES 1.01. Registered Office. The registered office shall be in the City of Wilmington, County of New Castle, State of Delaware. 1.02. Other Offices. The Corporation may also have offices at such other places both within and without the State of Delawa

June 28, 2012 11-K

- FORM 11-K

11-K 1 sial-20120628x11k.htm FORM 11-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year end: December 31, 2011 ¨ Transition report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-08135 A. Fu

May 16, 2012 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 10, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission

May 10, 2012 CORRESP

-

CORRESP 1 filename1.htm 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (314) 898-4645 Fax: (314) 286-8051 May 10, 2012 VIA EDGAR AND FEDERAL EXPRESS Mr. John Cash Accounting Branch Chief Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 RE: Sigma-Aldrich Corporation Form 10-K for the Fiscal Year Ended December 31, 2011 Filed February

May 3, 2012 EX-3.2

The text of Article 9.01 of the Sigma-Aldrich Corporation By-Laws has been amended to read as follows:

EX-3.2 2 d345756dex32.htm AMENDMENT TO SIGMA-ALDRICH CORPORATION BY-LAWS EXHIBIT 3.2 The text of Article 9.01 of the Sigma-Aldrich Corporation By-Laws has been amended to read as follows: 9.01. By Shareholders. These By-Laws may be altered, amended or appealedrepealed and new By-Laws may be adopted by the shareholders by affirmative vote of the holders of not less than a two- thirdsmajority of the

May 3, 2012 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 1, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File

April 24, 2012 EX-10.1

PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED

EX-10.1 2 d312025dex101.htm FORM OF PERFORMANCE SHARE AWARD AGREEMENT Exhibit 10.1 PERFORMANCE SHARE AWARD AGREEMENT UNDER THE SIGMA-ALDRICH CORPORATION 2003 LONG-TERM INCENTIVE PLAN, AS AMENDED The following terms (“Terms”) govern the Performance Share Awards issued under the Sigma-Aldrich Corporation 2003 Long-Term Incentive Plan, as amended (the “Plan”) with respect to performance share awards

April 24, 2012 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2012 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

April 24, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 24, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commissio

April 24, 2012 EX-10.2

Description of Material Compensatory Arrangements Contained in Offer Letter Between Sigma-Aldrich Corporation and Jan A. Bertsch

EX-10.2 3 d312025dex102.htm DESCRIPTION OF MATERIAL COMPENSATORY ARRANGEMENTS Exhibit 10.2 Description of Material Compensatory Arrangements Contained in Offer Letter Between Sigma-Aldrich Corporation and Jan A. Bertsch Sigma-Aldrich Corporation (“Company”) entered into an offer letter containing compensatory arrangements with Jan A. Bertsch in connection with her election as Executive Vice Presid

April 24, 2012 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q1 2012 DILUTED EPS OF $0.96, WITH DILUTED ADJUSTED EPS OF $0.99. SALES INCREASE 5% FOR Q1 2012. FULL YEAR 2012 DILUTED ADJUSTED EPS OUTLOOK OF $3.90 TO $4.05 REAFFIRMED.

EX-99.1 2 d338737dex991.htm EX-99.1 Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 For questions, contact: Kirk Richter Vice President and Treasurer (314) 286-8004 FOR IMMEDIATE RELEASE - St. Louis, MO, April 24, 2012 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS Q1 2012 DILUTED EPS OF $0.96, WITH DILUTED ADJUSTED EPS OF $0.99.

April 24, 2012 EX-99.2

Sigma-Aldrich Corporation

EX-99.2 3 d338737dex992.htm EX-99.2 Sigma-Aldrich Corporation Q1 2012 Earnings Review & Outlook • Enabling Science to Improve the Quality of Life sigma-aldrich.com Exhibit 99.2 2 2 Cautionary Statements Our presentation today may include forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Such statements

April 20, 2012 CORRESP

-

3050 Spruce Street, St. Louis, MO 63103 USA Tel: (314) 898-4645 Fax: (314) 286-8051 April 20, 2012 VIA EDGAR AND FEDERAL EXPRESS Mr. John Cash Accounting Branch Chief Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 RE: Sigma-Aldrich Corporation Form 10-K for the Fiscal Year Ended December 31, 2011 Filed February 13, 2012 Definitive Pr

March 12, 2012 DEF 14A

- DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 12, 2012 DEFA14A

- DEFINITIVE ADDITIONAL MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 24, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 d306412d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 23, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-08135 43-1050617 (State or Other Jurisdiction

February 24, 2012 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) ANNOUNCES APPOINTMENT OF JAN BERTSCH AS EXECUTIVE VICE PRESIDENT AND CFO

Press Release Exhibit 99.1 From: Rakesh Sachdev, President & CEO For questions, contact: Kirk A. Richter, Vice President, Treasurer and Interim CFO (314) 286-8004 FOR IMMEDIATE RELEASE SIGMA-ALDRICH (NASDAQ: SIAL) ANNOUNCES APPOINTMENT OF JAN BERTSCH AS EXECUTIVE VICE PRESIDENT AND CFO ST. LOUIS, MO, February 23, 2012 — Sigma-Aldrich is pleased to announce the appointment of Jan Bertsch (age 55) a

February 17, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 d304572d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 13, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction

February 13, 2012 EX-3.1

CERTIFICATE OF INCORPORATION (CONFORMED COPY) SIGMA-ALDRICH CORPORATION

EX-3.1 2 d263565dex31.htm EX-3.1 Exhibit 3.1 CERTIFICATE OF INCORPORATION (CONFORMED COPY) OF SIGMA-ALDRICH CORPORATION FIRST: The name of the corporation is Sigma-Aldrich Corporation. SECOND: The address of its registered office in the State of Delaware is No. 100 West Tenth Street, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is The Corporatio

February 13, 2012 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2011 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-8135

February 13, 2012 EX-21

SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2011

Exhibit 21 SIGMA-ALDRICH CORPORATION SUBSIDIARIES AS OF DECEMBER 31, 2011 Sigma-Aldrich Corporation (Delaware), the Registrant: 1) Sigma-Aldrich Co.

February 9, 2012 EX-99.1

SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS DILUTED EPS OF $0.89, A 17% INCREASE AND 5% SALES GROWTH FOR Q4 2011. FULL YEAR 2011 DILUTED EPS INCREASED 14%. 2012 DILUTED EPS EXPECTED TO INCREASE TO $3.90 TO $4.05

Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 From: Rakesh Sachdev For questions, contact: President and CEO Sondra S. Brown Director, Investor Relations (314) 236-8763 FOR IMMEDIATE RELEASE - St. Louis, MO, February 9, 2012 SIGMA-ALDRICH (NASDAQ: SIAL) REPORTS DILUTED EPS OF $0.89, A 17% INCREASE AND 5% SALES GROWTH

February 9, 2012 EX-99.2

Sigma-Aldrich Corporation

Sigma-Aldrich Corporation • Enabling Science to Improve the Quality of Life sigma-aldrich.

February 9, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 9, 2012 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number

February 8, 2012 SC 13G/A

SIAL / Sigma-Aldrich Corporation / VANGUARD GROUP INC Passive Investment

sigma-aldrichcorp.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.:1 )* Name of issuer: Sigma-Aldrich Corp Title of Class of Securities: Common Stock CUSIP Number: 826552101 Date of Event Which Requires Filing of this Statement: December 31, 2011 Check the appropriate box

January 31, 2012 EX-99.1

Sigma-Aldrich Completes Acquisition of BioReliance

Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 News Release From: Rakesh Sachdev For questions, contact: President and CEO Kirk A. Richter Vice President, Treasurer and Interim CFO (314) 286-8004 Sigma-Aldrich Completes Acquisition of BioReliance St. Louis, MO – January 31, 2012 – Sigma-Aldrich Corporation (NASDAQ:SIAL), a

January 31, 2012 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

8-K 1 d292267d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 31, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction o

January 9, 2012 EX-99.1

Sigma-Aldrich to Acquire BioReliance; Extending Its Reach into Biopharmaceutical Testing and Services

Exhibit 99.1 News Release From: Rakesh Sachdev For questions, contact President and CEO Kirk A. Richter Vice President, Treasurer and Interim CFO (314) 286- 8004 Sigma-Aldrich to Acquire BioReliance; Extending Its Reach into Biopharmaceutical Testing and Services St. Louis, MO – January 9, 2012 – Sigma-Aldrich Corporation (NASDAQ:SIAL), a leading Life Science and High Technology company, announced

January 9, 2012 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among SIGMA-ALDRICH CORPORATION, SIGMA-ALDRICH HOLDING LLC, SIGMA-ALDRICH ACQUISITION LLC, BIORELIANCE HOLDINGS, INC., CERTAIN SECURITYHOLDERS OF BIORELIANCE HOLDINGS, INC. AVISTA CAPITAL PARTNERS GP, LLC (solely i

EX-2.1 2 d279791dex21.htm EX-2.1 Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER by and among SIGMA-ALDRICH CORPORATION, SIGMA-ALDRICH HOLDING LLC, SIGMA-ALDRICH ACQUISITION LLC, BIORELIANCE HOLDINGS, INC., CERTAIN SECURITYHOLDERS OF BIORELIANCE HOLDINGS, INC. and AVISTA CAPITAL PARTNERS GP, LLC (solely in its capacity as the Representative) Dated as of January 8, 2012 TABLE OF CONTENTS

January 9, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 8, 2012 Sigma-Aldrich Corporation (Exact Name of Registrant as Specified in Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission Fi

November 9, 2011 S-8

As filed with the Securities and Exchange Commission on November 9, 2011

As filed with the Securities and Exchange Commission on November 9, 2011 Registration No.

November 9, 2011 EX-4.2

FIRST AMENDMENT TO THE SIGMA-ALDRICH CORPORATION 2005 FLEXIBLE DEFERRAL PLAN

EX-4.2 3 d252462dex42.htm FIRST AMENDMENT TO THE 2005 FLEXIBLE DEFERRAL PLAN Exhibit 4.2 FIRST AMENDMENT TO THE SIGMA-ALDRICH CORPORATION 2005 FLEXIBLE DEFERRAL PLAN WHEREAS, Sigma-Aldrich Corporation, a Delaware corporation (hereinafter the “Company”), 3050 Spruce Street, St. Louis, Missouri 63103, previously adopted the Sigma-Aldrich Corporation 2005 Flexible Deferral Plan (“Plan”); and WHEREAS,

November 9, 2011 EX-4.1

SIGMA-ALDRICH CORPORATION 2005 FLEXIBLE DEFERRAL PLAN

EX-4.1 2 d252462dex41.htm 2005 FLEXIBLE DEFERRAL PLAN Exhibit 4.1 SIGMA-ALDRICH CORPORATION 2005 FLEXIBLE DEFERRAL PLAN WHEREAS, Sigma-Aldrich Corporation, a Delaware corporation (hereinafter the “Company”), 3050 Spruce Street, St. Louis, Missouri 63103, previously adopted the Sigma-Aldrich Corporation Flexible Deferral Plan (“Plan”); and WHEREAS, the Company reserved the right to amend the Plan p

October 25, 2011 EX-99.1

SIGMA-ALDRICH (NASDAQ:SIAL) REPORTS 25% INCREASE IN Q3 DILUTED EPS. Q3 SALES INCREASE 11%. FULL YEAR 2011 DILUTED EPS RAISED TO $3.73 to $3.81.

Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 From: Rakesh Sachdev For questions, contact: President and CEO Kirk A. Richter Vice President, Treasurer and Interim CFO (314) 286-8004 FOR IMMEDIATE RELEASE -St. Louis, MO., October 25, 2011 SIGMA-ALDRICH (NASDAQ:SIAL) REPORTS 25% INCREASE IN Q3 DILUTED EPS. Q3 SALES INCR

October 25, 2011 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2011 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number

October 25, 2011 EX-99.2

Sigma-Aldrich Corporation

EX-99.2 3 d246500dex992.htm CERTAIN SUPPLEMENTAL INFORMATION NOT INCLUDED IN THE PRESS RELEASE Sigma-Aldrich Corporation Q3 2011 Earnings Review & 2011 Outlook • Enabling Science to Improve the Quality of Life Exhibit 99.2 2 2 Cautionary Statements Our presentation today will include forward looking statements relating to the Company’s future performance, goals, strategic actions and initiatives a

October 25, 2011 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2011 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-8135 SIGM

September 2, 2011 EX-24

Power of Attorney

Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints each of Barbara Branchfield or Kimberly Reno or Elizabeth Papagianis or any of them signing singly and with full power of substituion, to act as Attorney in Fact as the Reporting Person?s true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Pers

September 1, 2011 EX-24

Power of Attorney

powerofattorney.htm - Generated by SEC Publisher for SEC Filing Power of Attorney Know all by these presents, that the undersigned (the “Reporting Person”) hereby constitutes and appoints each of Barbara Branchfield or Kimberly Reno or Elizabeth Papagianis or any of them signing singly and with full power of substituion, to act as Attorney in Fact as the Reporting Person’s true and lawful attorney

August 30, 2011 EX-24

Power of Attorney

Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints each of Barbara Branchfield or Kimberly Reno or Elizabeth Papagianis or any of them signing singly and with full power of substituion, to act as Attorney in Fact as the Reporting Person?s true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Pers

August 30, 2011 EX-24

Power of Attorney

powerofattorney.htm - Generated by SEC Publisher for SEC Filing Power of Attorney Know all by these presents, that the undersigned (the “Reporting Person”) hereby constitutes and appoints each of Barbara Branchfield or Kimberly Reno or Elizabeth Papagianis or any of them signing singly and with full power of substituion, to act as Attorney in Fact as the Reporting Person’s true and lawful attorney

August 10, 2011 8-K/A

Submission of Matters to a Vote of Security Holders

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 3, 2011 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

July 26, 2011 EX-99.1

SIGMA-ALDRICH (NASDAQ:SIAL) Q2 2011 SALES ACHIEVE NEW QUARTERLY HIGH. REPORTED SALES AND EPS INCREASE 15% COMPARED TO 2010. FULL YEAR 2011 DILUTED ADJUSTED EPS EXPECTATION AFFIRMED AT $3.60 to $3.75.

Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 From: Rakesh Sachdev For questions, contact: President and CEO Kirk A. Richter Vice President, Treasurer and Interim CFO (314) 286-8004 FOR IMMEDIATE RELEASE -St. Louis, MO., July 26, 2011 SIGMA-ALDRICH (NASDAQ:SIAL) Q2 2011 SALES ACHIEVE NEW QUARTERLY HIGH. REPORTED SALES

July 26, 2011 EX-99.2

Sigma-Aldrich Corporation

Sigma-Aldrich Corporation Q2 2011 Earnings Review & 2011 Outlook ? Enabling Science to Improve the Quality of Life Exhibit 99.

July 26, 2011 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

10-Q 1 d10q.htm FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2011 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission fil

July 26, 2011 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 26, 2011 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

June 28, 2011 11-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

11-K 1 d11k.htm FORM 11-K Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) x Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year end: December 31, 2010 ¨ Transition report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-08135

May 6, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the “Reporting Person”) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the “Company”), Form

May 6, 2011 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 3, 2011 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

May 6, 2011 EX-3.(A)

CERTIFICATE OF AMENDMENT CERTIFICATE OF INCORPORATION

EX-3.(A) 2 dex3a.htm CERTIFICATE OF INCORPORATION AND AMENDMENTS Exhibit 3(a) CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORPORATION SIGMA-ALDRICH CORPORATION, a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, DOES HEREBY CERTIFY: FIRST: That at a meeting of the Board of Directors of SIGMA-ALDRICH CORPORATION resolutions were duly a

May 6, 2011 EX-99.1

Sigma-Aldrich Corporation

Sigma-Aldrich Corporation 2011 Shareholders Meeting ?May 3, 2011 sigma-aldrich.com Exhibit 99.1 2 Cautionary Statements Our presentation today will include forward looking statements relating to the Company?s future performance, goals, strategic actions and initiatives and similar intentions and beliefs, including expectations, goals, beliefs, intentions and the like regarding future sales, earnin

May 6, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Form

May 6, 2011 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 3, 2011 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

May 6, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the “Reporting Person”) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the “Company”), Form

May 6, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the “Reporting Person”) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the “Company”), Form

May 5, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Form

May 5, 2011 EX-24

Power of Attorney

Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Forms 3, 4, and 5 in

May 5, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Form

May 5, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Form

May 5, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Form

May 4, 2011 EX-24

Power of Attorney

Exhibit 24.1 Power of Attorney Know all by these presents, that the undersigned (the ?Reporting Person?) hereby constitutes and appoints Carrie A. Fields, Attorney in Fact as the Reporting Person's true and lawful attorney-in-fact to: (1) execute for and on behalf of the Reporting Person, in the Reporting Person's capacity as an officer or trustee of Sigma-Aldrich Corporation (the ?Company?), Form

April 26, 2011 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 26, 2011 SIGMA-ALDRICH CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 000-8135 43-1050617 (State or Other Jurisdiction of Incorporation) (Commission File Number)

April 26, 2011 EX-99.1

SIGMA-ALDRICH (NASDAQ:SIAL) REPORTS Q1 2011 DILUTED EPS OF $0.97, A 20% INCREASE OVER Q1 2010. Q1 2011 SALES AND EARNINGS ACHIEVE NEW QUARTERLY HIGH. FULL YEAR 2011 DILUTED ADJUSTED EPS EXPECTATION RAISED TO $3.60 TO $3.75.

EX-99.1 2 dex991.htm PRESS RELEASE ISSUED APRIL 26, 2011 Exhibit 99.1 3050 Spruce Street, St. Louis, MO 63103 USA Tel: (800) 521-8956 (314) 771-5765 Fax: (800) 325-5052 (314) 771-5757 From: Rakesh Sachdev For questions, contact: President and CEO Kirk A. Richter Vice President, Treasurer and Interim CFO (314) 286-8004 FOR IMMEDIATE RELEASE -St. Louis, MO., April 26, 2011 SIGMA-ALDRICH (NASDAQ:SIAL

April 26, 2011 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10–Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10?Q (Mark one) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2011 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0-8135 SIGMA-AL

April 26, 2011 EX-99.2

Sigma-Aldrich Corporation

Sigma-Aldrich Corporation Q1 2011 Earnings Review & 2011 Outlook ? Enabling Science to Improve the Quality of Life Exhibit 99.

March 17, 2011 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 14, 2011 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

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