PERU, IL. 2 May, 2011 – Carus Corporation is pleased to announce its acquisition of Sierra Chemical Company, headquartered in Sparks, Nevada. With operations in Sparks, Battle Mountain and Rennox, Nevada along with Stockton, California, Sierra Chemical Company is a leading manufacturer and marketer of water purification products used in the Northern California and Nevada drinking water markets.

“The addition of Sierra Chemical Company will complement our existing core water treatment activities while advancing Carus Corporation’s commitment to provide products and services that improve the environment throughout the United States and the world,” said Carus Corporation President and CEO, Inga Carus.

Sierra Chemical Company was founded in 1959 and will be a stand-alone subsidiary of Carus Corporation. Stan Kinder, President of Sierra Chemical Company, looks forward to providing the additional Carus product lines to his customers. “Sierra is very excited to join Carus Corporation, a forward-looking national and international member of the Water and Environmental community. Our combined operations offer many opportunities for the future“ said Stan Kinder.

Carus Corporation, founded in LaSalle, Illinois in 1915 is an environmental company that produces and supplies products, equipment, and services for water treatment, soil remediation and air purification. Carus Corporation is a member of the American Chemistry Council and actively participates in the industry’s award-winning Responsible Care® initiative, sharing a common commitment to improve environmental, health, safety and security performance.