Onyx Graphics Enhances PosterShop to Optimize Output from Raster Graphics PiezoPrint 5000 Printers

Business Wire, Sept 2, 1997

SAN JOSE, Calif.--(BUSINESS WIRE)--Sept. 2, 1997--Onyx Graphics Corp., a Raster Graphics company, today announced it has added an enhancement to PosterShop(TM) color production software, designed to optimize output from Raster Graphics PiezoPrint(TM) 5000 large format production inkjet printers. Onyx Graphics is demonstrating PosterShop in booth No. 8256 at Print 97, September 3-10, in Chicago.

This special enhancement in PosterShop improves the image quality and sharpness of PiezoPrint 5000 output through the addition of an advanced dot placement algorithm, which utilizes frequency-modulated (FM) dithering. The image quality improvement is most evident in prints output in the high-speed and standard print modes. PosterShop with the new optimization will be available free of charge to all PiezoPrint 5000 customers; it is expected to ship in the fourth quarter of 1997.

About PosterShop

PosterShop is a production-oriented software system for printing to large-format digital color printers. PosterShop software's features include support for the most popular file formats, including PostScript, TIFF, Targa, Scitex CT, LW and BMP files; preview and size; full pan and zoom; a built-in font manager; and tiling. PosterShop is a true multi-tasking software product, enabling users to preview, RIP and print files simultaneously. Several dot patterns are available, including stochastic blue noise mask, error diffusion, standard screening and ordered dither. Its color correction capabilities feature automatic contrast balance, and the ability to view up to four reusable color filters. PosterShop is available as a stand-alone product (PosterShop Pro); or as part of an integrated client/server package solution with PosterShop Server for use with Raster Graphics' DCS 5400 and DCS 5442 electrostatic digital presses, and Raster Graphics' PiezoPrint inkjet printers. PosterShop also supports many other inkjet printers.

About Onyx Graphics

Onyx Graphics Corp. develops and markets commercial printing software and solutions for the emerging digital color printing marketplace. Onyx is the leading developer of large format digital color printing software with the largest installed base worldwide. At the heart of Onyx technology is patented color image enhancement software that makes it possible to accurately reproduce photo-realistic images and graphics on a large variety of color printers. With extensive expertise in printing technologies and a thorough understanding of market requirements, Onyx is uniquely positioned to provide production software technology for the rapidly expanding color printing market. Onyx Graphics is a subsidiary of Raster Graphics Inc., a publicly-traded company listed on the Nasdaq National Market under the symbol RGFX. For more information, visit Onyx's home page at http://www.onyxgfx.com or Raster Graphics' home page at http:// www.rgi.com on the World Wide Web.

Certain of the matters discussed in this press release are forward-looking statements, the accuracy of which is necessarily subject to risks and uncertainties. Actual results may differ materially from the statements made due to a variety of factors including, but not limited to (i) unforeseen delays in the distribution of the new version of PosterShop, (ii) risks associated with software development and new technology, (iii) unforeseen operational problems and (iv) other risk factors described in the Company's Form 10-K for the year ended December 31, 1996 and other documents that are filed from time to time with the Securities and Exchange Commission. -0-

Note to Editors: PosterShop and PiezoPrint are trademarks of Raster Graphics Inc. PostScript is a trademark of Adobe Systems Incorporated. All other trademarks and registered trademarks are the property of their respective owners.

CONTACT: Onyx Graphics

Neil Baker, 801/568-9900

neil@onyxgfx.com

Kelli Ramirez, 408/441-8438

kelliram@ix.netcom.com