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Materion Microelectronics and Services acquires Irish company

BUFFALO, New York – May 4, 2005 – Materion Microelectronics & Services announced today that its Netherlands subsidiary has acquired privately held OMC Scientific Holdings Limited (OMCS) of Limerick, Ireland. OMC Scientific Holdings primarily provides precision cleaning and reconditioning services for physical vapor deposition customers serving the magnetic and optical data storage, semiconductor and other technology-based growth markets. Terms of the acquisition were not disclosed.

Limerick Operating Facility

The acquisition, which includes a modern operating facility in Limerick with 35 employees, enables Materion Microelectronics & Services to augment its existing physical vapor deposition materials business with significantly enhanced service capabilities and an extended geographic reach throughout Ireland, the United Kingdom and continental Europe. OMC Scientific Holdings’ unique technology will also augment Materion Microelectronics & Services’ existing service capabilities in North America.

In making the announcement, Richard W. Sager said, We are excited to have OMC Scientific Holdings and its talented workforce join the team. OMC is recognized as a leader in technological expertise and service, and has generated a solid record of growth and profitability since its founding. This acquisition allows us to immediately offer existing and future customers a broader and highly complementary range of capabilities, and adds a new source of revenues and margin contribution to our organization.

Materion Microelectronics & Services has had a business relationship with OMCS since 2000, with OMCS performing value-added bonding and logistics services for sputtering target materials exported from North America.

About Materion Microelectronics & Services

Materion Microelectronics & Services has undertaken a number of strategic initiatives over the past several years to strengthen its competitive position, including acquisitions, expansions into new markets and new product introductions. Beyond the OMCS acquisition, Materion Microelectronics & Services in 2004 purchased the remaining portion of a joint venture in Taiwan that manufactures and distributes products in Asia. In 2003, Materion Microelectronics & Services acquired certain assets of Honeywell Electronic Materials related to the production of microelectronic packaging for the computer, microwave and opto-electronic markets. In addition, Materion Microelectronics & Services acquired certain similar assets from Semi Alloys Company in 2001.