Daniel H. Berry Named President of Ultratech Stepper, Inc.

SAN JOSE, Calif.--(BUSINESS WIRE)--April 28, 1999--

Ultratech Stepper, Inc. (NASDAQ/NMS:UTEK) today announced Daniel H. Berry has been promoted to the position of President, in addition to his existing position as Chief Operating Officer.

Berry has over 30 years experience in the semiconductor industry, including technical and management positions at Perkin-Elmer Corporation (NYSE:PKN) and General Signal Corporation. He currently serves on the Board of Directors of privately-held Rudolph Technologies, Inc., a designer and manufacturer of metrology equipment.

Berry joined Ultratech Stepper in 1990, and was promoted to Senior Vice President responsible for all sales, service, marketing and technical support in March of 1993. He was promoted to Executive Vice President and Chief Operating Officer in June 1998.

Berry will continue to report directly to Ultratech's Chairman and Chief Executive Officer, Arthur W. Zafiropoulo, with whom he will work closely to develop Ultratech's strategic growth plans. As president, Berry will be responsible for directing all day-to-day operations of Ultratech Stepper, including sales and service, marketing, manufacturing, and engineering.

Zafiropoulo will continue to oversee the Verdant and UltraBeam divisions, and will focus on Ultratech's corporate vision, technology roadmap, strategic planning and external relationships.

"Dan has played an important role in Ultratech's corporate evolution since he arrived nine years ago. We have relied on his expertise, creativity and guidance during a period of major change at our company. Ultratech has continued to expand its revenue diversification strategy, both through acquisition and internal development, and this promotion recognizes the critical role Dan has played in this process.

"He brings not only knowledge and insight to every decision, but also enthusiasm and leadership to every situation. We are fortunate to have him in the role of President as we reach a critical phase in Ultratech's corporate growth," stated Arthur W. Zafiropoulo, Chairman and Chief Executive Officer of Ultratech Stepper.

During Berry's tenure at Ultratech, the company has expanded its product line to include photolithography devices designed to meet the specific needs of semiconductor manufacturers, disk drive manufacturers, and photomask device makers.

Profile

Founded in 1979, Ultratech Stepper, Inc. designs, manufactures and markets photolithography equipment used worldwide in the fabrication of integrated circuits, micromachining devices, thin film heads for disk drives, and photomasks for the semiconductor industry. The company produces products that substantially reduce the cost of ownership for manufacturers in the electronics industry. The company's home page on the World Wide Web is located at www.ultratech.com.

Certain of the statements contained herein may be considered forward-looking statements that involve risks and uncertainties, such as the cyclicality in the thin-film head and semiconductor industries, delays, deferrals and cancellations of orders by customers, pricing pressures and extended payment terms, inventory obsolescence, lengthy sales cycles for the Company's systems, ability to volume produce systems and meet customer requirements, the mix of products sold, dependence on new product introductions and commercial success of any new products, delays in collecting accounts receivables, integration and development of the UltraBeam and Verdant operations, the failure to develop and commercialize the ISI products, manufacturing inefficiencies and absorption levels, economic and political conditions in Asia, risks associated with introducing new technologies, adjustments relating to the potential change in accounting for the ISI acquisition, competition, and changes in technologies. Such risks and uncertainties are set forth in the Company's SEC reports including the Company's Annual Report on Form 10-K for the period ended December 31, 1998.