Hsinchu, Taiwan, and Montreal, Canada, May 20, 2002 - Matrox Graphics Inc., the leading professional graphics company, and UMC (NYSE: UMC), a world leading semiconductor company, today announced collaboration on the new Matrox Parhelia™-512 graphics chip.

A high-fidelity GPU, Parhelia-512 uses UMC's 8-layer 150nm (0.15um) process technology, which allows for reasonable power dissipation and a manageable die size. Bringing a new level of visual quality, excellent performance and a wide range of innovative new technologies to market, this AGP 4X device supports frame buffers of up to 256MB in size and integrates two 400 MHz RAMDACs, a TV encoder and support for dual TMDS transmitters.

"The constant introduction of evermore sophisticated graphics programs is placing great demand on today's graphics chip companies' to innovate," said Dr. Fu Tai Liou, chief officer of worldwide sales and marketing, UMC. "We are pleased to be able to help Matrox deliver Parhelia-512, a highly competitive graphics solution, within critical market windows."

"We chose to base Parhelia-512 on an 8-layer 150nm (0.15um) process technology in order to achieve high-routing density," said Ed Dwyer, executive vice president, Matrox Graphics Inc. "We are pleased to be working with UMC because of its ability to quickly ramp up production and reach a high yield for our extremely complex design."

Matrox Graphics Inc., the leading professional graphics company, has been delivering high-quality, innovative 2D/3D and video graphics accelerators for more than a quarter century. Pioneer of the trend-setting DualHead technology, Matrox is a graphics chip designer and board manufacturer whose products have been awarded over 1,000 times worldwide for their superior image quality, practical ingenuity and unwavering stability. A privately held company headquartered in Montreal, Canada, Matrox has international offices in the United States, the United Kingdom, France, Germany, Italy, and Hong Kong. Information on Matrox products, drivers, technical support and more can be found at: www.matrox.com/mga.