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South Africa - March 21, 2012 Please note that the import of animal origin products into South Africa are currently being regulated

This means that there could be products that you require, that we are presently unable to import e.g. animal serums, albumins, gelatins, milk powders. Please contact the office if you are unsure on whether your product can be supplied.

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St. Louis, MO - August 11, 2015 Sigma-Aldrich and Merck KGaA, Darmstadt, Germany, Obtain Antitrust Approval in Brazil for Planned Acquisition

Sigma-Aldrich Corporation (NASDAQ: SIAL) announced today it has secured unconditional approval from Brazil's Council for Economic Defense (CADE), the final outstanding approval required for the planned acquisition of Sigma-Aldrich by Merck KGaA, Darmstadt, Germany (the "Transaction"). This clearance, which will be effective after a waiting period of 15 days, follows recently received antitrust approvals from the competition authorities of Israel (IAA) and South Korea (KFTC).

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St. Louis, MO - July 23, 2015 Sigma-Aldrich Meets Evolving Quality and Regulatory Needs with ISO 13485 Expansion, Provides Diagnostic Customers with Reliable Critical Raw Materials

Expanded ISO 13485 certification of two additional Sigma-Aldrich facilities offers in vitro diagnostic (IVD) customers industry-leading quality assurance solutions to mitigate supply chain risk, increase product consistency and meet stringent regulatory requirements

Sigma-Aldrich Corporation (NASDAQ: SIAL) announced the Company has received ISO 13485 certification for expanded quality assurance capabilities at its Dekalb and Barton facilities located in St. Louis. The certification extends Sigma-Aldrich’s ability to manufacture and offer critical raw materials, such as enzymes, proteins and antibodies used in diagnostic assays, and provides in vitro diagnostic (IVD) customers with industry-leading assurance of consistent quality to meet and exceed their supply chain needs at a time of increased regulatory requirements.

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St. Louis, MO - June 15, 2015 Acquisition of Sigma-Aldrich by Merck KGaA, Darmstadt, Germany, Receives Approval from European Union Regulators and from Chinese Ministry of Commerce

Sigma-Aldrich Corporation (NASDAQ: SIAL) announced today that the European Commission (the "EC") has conditionally cleared the planned acquisition of the Company by Merck KGaA, Darmstadt, Germany (the “Transaction”).  Sigma-Aldrich also announced it has obtained full clearance of the Transaction from the Chinese Ministry of Commerce.

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