Thermo Fisher Scientific Inc. (NYSE: TMO), the world leader in serving science, has completed its previously announced acquisition of Alfa Aesar, a leading global manufacturer of research chemicals, from Johnson Matthey Plc, for £256 million (or approximately $400 million) in cash.

“With the close of the transaction, we now have the opportunity to fully leverage our combined capabilities in laboratory chemicals to drive growth,” said Marc N. Casper, president and chief executive officer of Thermo Fisher Scientific. “The addition of Alfa Aesar products to our existing chemicals portfolio offers customers greater access to a broad offering that serves virtually every laboratory application – from research to production.”

Alfa Aesar has approximately 480 employees at key locations in the United Kingdom, United States, Germany, China, South Korea and India. The business generated sales of approximately £78 million in 2014 and will be integrated into Thermo Fisher’s Laboratory Products and Services Segment.

About Thermo Fisher Scientific

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science, with revenues of $17 billion and approximately 50,000 employees in 50 countries. Our mission is to enable our customers to make the world healthier, cleaner and safer. We help our customers accelerate life sciences research, solve complex analytical challenges, improve patient diagnostics and increase laboratory productivity. Through our premier brands – Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific and Unity Lab Services – we offer an unmatched combination of innovative technologies, purchasing convenience and comprehensive support. For more information, please visit www.thermofisher.com.