HOUGHTON INTERNATIONAL INC. ACQUIRES D.A. STUART
PHILADELPHIA (September 9, 2008) – Houghton International Inc., a global manufacturer and supplier of industrial fluids and chemical management services, has announced that its acquisition of D.A. Stuart has been completed.

Houghton and D.A. Stuart are recognized as two of the leading independent specialty fluid manufacturers in the global metalworking fluids marketplace.

“We’re delighted to officially welcome D.A. Stuart customers, suppliers and employees to the Houghton organization,” said Paul DeVivo, CEO of Houghton International. “This transaction brings together two complementary organizations whose customers will benefit from the merging of product portfolios and best practices.”

Terms of the transaction were not disclosed.

About Houghton International Inc.
Since 1865, Houghton International Inc. has been serving the metalworking, automotive and steel industries, along with a variety of other markets, with development and production of specialty chemicals, oils and lubricants. Headquartered in Valley Forge, PA, Houghton maintains manufacturing and research facilities throughout the world. Houghton International continues to expand its Pacific operations and grow its worldwide facilities. Additional information is available at www.houghtonintl.com.

About D.A. Stuart
Since 1865, D.A. Stuart has been a leader in the development and production of specialty chemicals, oils and lubricants for the metalworking, steel and aluminum industries, along with a variety of other markets. Headquartered in Warrenville, IL, D.A. Stuart maintains manufacturing, distribution and research facilities throughout the world.