SACHEM Implements 10% Price Adjustment for TBAH, TEAH, TPAH and Respective Derivatives Effective July 18, 2011

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Austin, Texas June 17, 2011 — SACHEM announced that it will increase prices by 10% for the following products:

The adjustment is a result of significant price increases in the petroleum raw material based industry. The price increase applies to all product grades and becomes effective July 18, 2011, or as contacts allow. All other terms and conditions of the sale remain unchanged.

“Every industry sector has seen their cost rising during 2011 and SACHEM has been impacted as well. While SACHEM has been working diligently to control these costs, we are no longer able to absorb further increases, commented Jerry Windisch, Vice President and General Manager, SACHEM Americas.

SACHEM is your partner in delivering extremely pure and precise chemistry solutions. Our high purity expertise enables the design of novel formulation components, custom designed performance productsand innovative services. We offer revolutionary service to solve your unique challenges.

SACHEM, Inc. is a global chemical science company with full commercial operations in the United States, the Netherlands, Japan and China. For over 60 years SACHEM has provided chemical solutions and services to customers in key markets including electronics, advanced ceramics, biotechnology,starch modification, polymers, catalysts, pharmaceutical and agricultural chemicals. Based in Austin, Texas, SACHEM’s expanding worldwide operations include manufacturing and research facilities inNorth America, Europe and Asia with a global service network and presence spanning over 30 countries.