BORLAND TO ACQUIRE OPEN ENVIRONMENT CORPORATION

TOGETHER TO OFFER MULTI-TIER, SCALABLE CLIENT/SERVER AND INTRANET
SOLUTIONS

SCOTTS VALLEY, Calif. -- May 13, 1996 -- Borland International Inc.
(NASDAQ:BORL) and Open Environment Corporation (NASDAQ:OPEN) today
announced they have entered into a definitive merger agreement providing
for the acquisition of Open Environment by Borland.

Open Environment, based in Boston, MA, is a leading provider of highly
scalable, multi-tier client/server products used by more than 300, Global
1000 corporations.

Under the terms of the agreement, which was approved by the board of
directors of both software companies, Open Environment shareholders will
receive .51 shares of Borland common stock for each share of Open
Environment common stock held by them; provided that the shares issued for
each Open Environment share shall have market value of no more than $25
and no less than $12.75. Open Environment has approximately eight million
shares and vested options outstanding giving an indicated value of
approximately $64 million for the transaction. Borland has approximately
31 million shares outstanding.

"The acquisition of Open Environment is an important part our strategic
plan and is aimed at accelerating our growth in the client/server and
Internet markets," said Gary Wetsel, president and CEO, Borland
International. "With this acquisition, we are strengthening our
opportunities to serve departmental client/server developers and extending
our solutions to the enterprise. The acquisition of Open Environment more
than doubles our worldwide client/server sales force and gives us
important new client/server and Intranet support, consulting, and
education capabilities."

"Multi-tier client/server development is the fastest growing segment of the
application development market," said Dr. John Donovan, chairman, Open
Environment Corporation, and a professor at MIT. "Through the acquisition
of Open Environment, Borland will be able to offer its customers a
business advantage by providing the only scalable architecture that meets
the developer's needs from the desktop to the enterprise, unlike the
incomplete solutions of competitive offerings. In addition, Borland's
forthcoming visual development tool for Java (code-named Latte) combined
with the multi-tier Open Environment technology, will provide the most
comprehensive Java Internet solution in the market today."

"We've been impressed with the growing acceptance of Delphi Client/Server
Suite in the Open Environment customers base," said Adam Honig, president,
Open Environment Corporation. "We believe that there is a strong
operational fit between Borland and Open Environment which should result
in better service of our existing customer base and an enhanced ability to
reach new customers."

EXPANDED CLIENT/SERVER DISTRIBUTION AND SUPPORT

Borland plans to leverage Open Environment's North American, European and
Asian direct sales organizations as well as Open Environment's well
developed partnership program which includes over 75 strategic
client/server VARs and systems integrators. This partnership program will
complement Borland's Premier Value Added Partner Program and result in
wider distribution of Borland and Open Environment products worldwide.
Open Environment's products will benefit from greater visibility through
Borland's client/server seminar programs, direct marketing and broad
two-tier distribution.

Borland will also benefit from Open Environment's mature worldwide
technical support infrastructure, training and consulting organizations.
These capabilities will allow Borland to offer a range of consulting
services that assist customers from application design, through pilot
projects, development, testing and deployment.

"Our client/server business grew 170 percent during the last fiscal year
and we recognized the need to quickly expand our infrastructure to provide
broader solutions for our customers," said Michael Greenbaum, vice
president of Borland's Client/Server Development Tools Group. "Open
Environment has many of these programs and services in place as well as an
ongoing revenue stream to help support them."

TECHNOLOGICAL SYNERGY

With the acquisition of Open Environment, the founder of multi-tier,
client/server architectures, Borland will combine its high-performance,
rapid application development tools with Open Environment's scalable,
multi-tier solutions, to make it easier for developers to create open,
scalable, distributed applications across heterogeneous environments.
Borland's robust development tools and Open Environment's
second-generation client/server product line work together today without
requiring additional engineering effort. In fact, Open Environment has
already demonstrated their forthcoming OLEnterprise technologies working
with Borland's Delphi Client/Server Suite at trade shows and other
industry events.

"Enterprise applications are complex, have a large number of users, have
high performance requirements and require support of diverse hardware
platforms," said Paul Gross, senior vice president of Research and
Development at Borland. "Distributed computing solutions, such as Open
Environment's, address these requirements by delivering greater
performance, scalability and reliability through a multi-tier
architecture. By combining our efforts with Open Environment, Borland will
give enterprise developers the benefits of using high-performance, high
productivity tools, such as Delphi, that have set the standard in
departmental, client/server development."

Completion of the transaction is subject to, among other things, approval
of the Open Environment shareholders and the receipt of all required
governmental approvals. It is anticipated that the transaction will be
tax-free to Open Environment shareholders and accounted for as a pooling
of interests. The transaction is expected to be completed later this
summer.

OPEN ENVIRONMENT CORPORATION

Founded in 1993, Open Environment (NASDAQ:OPEN) pioneered the three-tier
client/server architectures, which has grown to become a de facto
development standard for building scalable enterprise applications. Open
Environment's product line includes Entera, an independent framework for
building, managing and deploying highly scalable, client/server
applications, and OLEnterprise, the industry's first open, distributed
object environment based on Microsoft's OLE. For more information, access
the Open Environment World Wide Web Site at http://www.openenv.com.

BORLAND: MAKING DEVELOPMENT EASIER

Borland International Inc. (NASDAQ:BORL) is a leading provider of products
and services targeted to software developers. Borland is distinguished for
its high quality software development tools, which include Delphi, Delphi
Client/Server Suite, Borland C++, Visual dBASE, Paradox, ReportSmith and
InterBase. Borland's award-winning products are supported through
comprehensive programs for small- and large-sized software developers,
corporate developers, value added resellers and system integrators.
Founded in 1983, Borland is headquartered in Scotts Valley, California.
 
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