John Yim Appointed to Vice President Sales, Asia by Enthone Inc.

WEST HAVEN, CT, April 21, 2003 � Mr. John Yim has been appointed Vice President Sales, Asia by Enthone, Inc. a Cookson Electronics PWB Materials & Chemistry business. Mr. Yim will be responsible for the sales and technical support of Enthone PWB products and processes throughout the Asia Pacific Region.

Mr. Yim joined Cookson Electronics in 1990. Over the last decade he has been instrumental in establishing and growing the Enthone PWB chemistry and Polyclad laminate materials business throughout Hong Kong and China. Mr. Yim served his PWB apprenticeship at Elek and Eltek, followed by a period at LeaRonal as sales manager for the company's PWB division.

Mr. Yim earned a BA degree in Administrative Studies/Economics from the University of Winnipeg and a MSc in Information System from the Hong Kong Polytechnic University. Mr. Yim is a committee member of the Hong Kong Printed Circuit Association (HKPCA).

Enthone Inc., is a business of Cookson Electronics PWB Materials & Chemistry. The company is a leading supplier of high performance specialty chemicals and coatings used in the electronics and surface finishing industries. Enthone manufactures, markets and distributes its functional, decorative and electronic processes that are used in printed wiring board, semiconductor, automotive, aerospace, jewelry, and hardware and plumbing applications. The group also includes Polyclad Laminates, one of the world's leading manufacturers of laminates, prepregs and resin coated copper foils used in printed wiring boards.

Enthone

www.enthone-omi.com