Sigma-Aldrich Named to CR Magazine's 100 Best Corporate Citizens List

ST. LOUIS, April 20, 2015 /PRNewswire/ -- Sigma-Aldrich Corporation (Nasdaq: SIAL) was named today to Corporate Responsibility (CR) Magazine's list of the 100 Best Corporate Citizens, which ranks public companies based on outstanding corporate responsibility performance.  Sigma-Aldrich ranked fifth, its highest ranking to date, in its fourth appearance on the list.

"We are honored to be recognized once again for our corporate responsibility efforts and we are extremely pleased with our ranking," said Rakesh Sachdev, President and CEO.  "Sustainability is a priority for our 9,000-plus employees globally and I am proud of the progress we have made as a Company and the impact it is having on the world around us."

This is the 16^th year for the 100 Best List, which documents more than 300 data points of disclosure and performance measures - harvested from publicly available information in seven categories:  environment, climate change, employee relations, human rights, governance, finance, and philanthropy and community support. The list ranks companies on the Russell 1000 Index and is governed by a Ratings and Rankings Committee of the Corporate Responsibility Officers Association (CROA).

The full list of companies is available at www.thecro.com.  At number five, Sigma-Aldrich moved up 23 spots since its last appearance in 2014.

"Sigma-Aldrich continues to demonstrate leadership in sustainability and social responsibility by leveraging our employees' passion for continuous improvement," said Jeffrey Whitford, Global Citizenship Manager at Sigma-Aldrich.  "The progress we have made internally is a great first step, but the real impact will come from helping our more than 1.4 million customers reduce the impact of their research and development through the use of Green Chemistry."

About Sigma-Aldrich:  Sigma-Aldrich, a leading Life Science and High Technology company focused on enhancing human health and safety, manufactures and distributes more than 250,000 chemicals, biochemicals and other essential products to more than 1.4 million customers globally in research and applied labs as well as in industrial and commercial markets. With three distinct business units – Research, Applied and SAFC Commercial – Sigma-Aldrich is committed to enabling science to improve the quality of life. The Company operates in 37 countries, has more than 9,000 employees worldwide and had sales of $2.79 billion in 2014. For more information about Sigma-Aldrich, please visit its website at www.sigma-aldrich.com.

Sigma-Aldrich is a trademark of Sigma-Aldrich Co, LLC registered in the US and other countries.

SOURCE Sigma-Aldrich Corporation

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