Chicago, April 6, 1992--Stac Electronics announced today at COMDEX/Spring
'92 that a new version of its award-winning data compression software is
being designed for OS/2 2.0, IBM's 32-bit operating system for 386SX PCs
and above.

Stacker for OS/2 will allow users to start their systems with OS/2 or DOS
and access their existing Stacker drives without any modification while
running either operating system. It will also be 100% compatible with
Stac's line of coprocessor boards for maximum speed and compression
ratios.

The OS/2 version of Stacker, like the entire Stacker line of data
compression software and coprocessor boards, doubles a computer's storage
capacity with the Stacker LZS technology, which is instantaneous,
continuous, and totally transparent to the user.

"Stac has received strong demand from its installed base for an OS/2
version of Stacker," said Gary Clow, Stac's president. "We have been
quietly engaged in developing Stacker for OS/2 for more than a year now,
and this summer we will supply a beta release to the 300,000 OS/2 2.0 beta
testers."

Clow said Stacker for OS/2 will be available later this year through Stac
OEM's, the company's existing retail channels or ordered directly from
Stac by calling (800) 522-7822. All Stacker products come with free
technical support.

Stacker OS/2 will join the Stacker line of products that now includes
Stacker 2.0 software for laptop, notebook and portable computers, and
Stacker AT/16 and Stacker MC/16 compression coprocessor boards for desktop
systems.

OS/2 2.0 offers true multitasking and will provide the broadest selections
of applications in the industry, running DOS, Windows and 16- and 32-bit
OS/2 applications unchanged, according to IBM.

Stac Electronics, based in Carlsbad, California, is the leading supplier of
high-performance data compression software and silicon. The company's
products, designed for corporate-wide compression applications, are sold
direct from the company and through traditional retail and OEM sales
distribution.

Stac Electronics, 5993 Avenida Encinas, Carlsbad, CA 92008
619-431-7474

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