MENLO PARK, CA, September 16, 2002 — Ultra Clean Technology (UCT),a global leader in integrated, ultra pure gas and liquid delivery solutions for semiconductor manufacturing, today announced the promotion of Deborah Hayward to the newly created position of Vice President, Sales.

“As UCT evolves to a larger company it is critical to have a strong leader in the sales organization, one who can provide effective day-to-day management as well as strategic direction,” said Clarence Granger, President and Chief Operating Officer. “Deborah has proven to be the best candidate to fill this need.”

In her new position, Hayward will focus on strategic account management and new business development, and will continue to oversee all aspects of sales and customer service activity for the company.

Hayward joined UCT in 1995 as a major account manager. She was named sales director in 1998 and was promoted to senior sales director in January 2001, assuming responsibility for all sales, field service and customer support activity for the company. Prior to UCT, she spent 10 years at Brooks Instruments in customer service management and account management roles.