Phillipsburg, New Jersey – Avantor™ Performance Materials (formerly Mallinckrodt Baker) has announced that it will raise prices on most of its chemical products worldwide, effective April 18, 2011. The percentage of increase will vary by product and manufacturing location.

In addition to crude oil prices, the costs for a variety of materials such as ethylene, propylene, butadiene and inorganic materials (e.g., sulfur-based and phosphorous-based products) have risen dramatically in recent months. As a result, overall materials and operating costs are now much higher.

About Avantor™ Performance Materials – formerly Mallinckrodt Baker Avantor Performance Materials, formerly Mallinckrodt Baker, manufactures and markets high-performance chemistries and materials around the world under several respected brand names, including J.T.Baker® and Macron™ Chemicals.

Avantor products are used around the world in a wide range of industries.. Our biomedical and life science solutions are used in academic, industry and quality control laboratories for research, pharmaceutical production and medical lab testing, while our electronics solutions are use in the manufacturing of semiconductors, photovoltaic cells and flat panel displays. Based in Phillipsburg, New Jersey (USA), Avantor is owned by an affiliate of New Mountain Capital, LLC. For additional information please visit www.avantormaterials.com or follow www.twitter.com/avantor_news..