STATS Appoints Peter Seah, Tay Siew Choon and Tan Choon Shian to Its Board of Directors.

Business Editors

ST Assembly Test Services Ltd ("STATS" - NNM : STTS and SGX : ST Assembly), a leading independent semiconductor test and advanced packaging service provider, today announced the appointments of Peter Seah Lim Huat, Tay Siew Choon and Tan Choon Shian to its Board of Directors, effective 15 July 2002. Concurrently, Premod Paul Thomas and Liow Voon Kheong have decided to step down as members of the Board of Directors. Their respective alternate directors, Gan Chee Yen and Lai Yeow Hin, will be re-appointed by Tay Siew Choon and Tan Choon Shian respectively as their alternate directors.

On these appointments, Tan Bock Seng, Chairman of STATS said, " We are delighted that Peter, Siew Choon and Choon Shian are joining our Board. I am confident that their varied and impressive experience would be significant additions to the Board's deliberations."

Added Tan Bock Seng, " On behalf of the Board, I would also like to record our appreciation to Premod Paul Thomas and Liow Voon Kheong for their contributions to the Board."

Mr Peter Seah Lim Huat is the President and Chief Executive Officer of Singapore Technologies Pte Ltd. Prior to his current appointment, Mr. Seah was the Vice Chairman and Chief Executive Officer of Overseas Union Bank where he spent over twenty years of his thirty year banking career. Mr Seah received a degree in Business Administration (Honours) from the University of Singapore. For his public service, Mr. Seah was awarded by the Singapore Government, the Public Service Medal in 1995 and the Public Service Star in 1999.

Mr Tay Siew Choon is the Managing Director and Chief Operating Officer of Singapore Technologies Pte Ltd ("STPL") and Chief Executive Officer of Green Dot Capital Pte Ltd, a wholly owned subsidiary of STPL. Prior to his current appointment, Mr. Tay held various senior positions in Singapore Technologies group of companies including as Managing Director and Deputy Chief Executive Officer of SembCorp Industries Ltd. Mr Tay received his Bachelor of Science degree in Engineering (Electrical) with Honours from Auckland University and his Masters of Science degree in Systems Engineering from the former University of Singapore (now National University of Singapore).

Mr Tan Choon Shian is the Director, Electronics and Precision Engineering Cluster, of the Singapore Economic Development Board (EDB). He is also Director of International Operations (Japan) of EDB. Mr Tan graduated from the University of Tokyo with a Bachelor of Science (Information Science) in 1992. He also has a Masters of Science in Management from Stanford University.

The new appointments are being made in accordance with STATS' Articles of Association which empower the Board of Directors to appoint any person to be a director to fill a casual vacancy or as an additional director until the next annual general meeting when he or she shall be eligible for re-election.

About ST Assembly Test Services Ltd. (STATS)

ST Assembly Test Services ("STATS" - NNM: STTS and SGX: ST Assembly), is a leading semiconductor test and assembly service provider to fabless companies, integrated device manufacturers and wafer foundries. With its principal operations in Singapore and global operations in the United States, United Kingdom, Germany, Japan and Taiwan, STATS offers full back-end turnkey solutions to customers worldwide. STATS' expertise is in testing mixed-signal semiconductors, which are extensively used in fast growing communications applications such as data networking, broadband and mobile communications. STATS also offers advanced assembly services and has developed a wide array of traditional and advanced leadframe and laminate based products, including various ball grid array packages to serve some of the world's technological leaders. STATS was listed on the Nasdaq National Market and The Singapore Exchange in January 2000 and is in the Morgan Stanley Capital International (MSCI) Index and the Straits Times Industrial Index. Further information is available at www.stts.com.

Certain of the statements in this press release are forward-looking statements that involve a number of risks and uncertainties that could cause actual results to differ materially. Factors that could cause actual results to differ include general business and economic conditions and the state of the semiconductor industry; demand for end-use applications products such as communications equipment and personal computers; reliance on a small group of principal customers; decisions by customers to discontinue outsourcing of test and assembly services; changes in customer order patterns; rescheduling or canceling of customer orders; changes in product mix; capacity utilization; level of competition; pricing pressures including declines in average selling prices; continued success in technological innovations; delays in acquiring or installing new equipment; shortages in supply of key components; availability of financing; exchange rate fluctuations; litigation and other risks described from time to time in the Company's SEC filings, including its annual report on Form 20-F dated February 28, 2002. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.