Boca Research and Hayes Microcomputer Products
        jointly announce letter of intent

            BOCA RATON, Fla. and ATLANTA, Georgia--June 29, 1995-
        Hayes Microcomputer Products Inc. and Boca
Research Inc. today jointly announced that executives of both companies have signed a
        letter of intent which will result in the acquisition of Hayes by
        Boca.  Further, this transaction will result in the financing for
        Hayes to complete its Plan of Reorganization to pay all creditor
        claims at 100%, with interest.  The resulting company will be named
        Hayes to optimize the name-brand recognition worldwide.   

           Upon completion of the transaction, shareholders of Hayes will
        receive 1,685,000 shares of Boca Research common stock plus the
        right to receive certain contingent payments based on the future
        earnings of the merged company.  The parties anticipate the
        transaction closing in 90 days subject to satisfactory completion of
        due diligence, execution of definitive documents implementing the
        transaction, completion of debt financing for the merged company,
        and confirmation of the Hayes Plan of Reorganization by the
        Bankruptcy Court.   

           Following the transaction, Dennis C. Hayes, Chairman and
        President of Hayes Microcomputer Products Inc., will be the combined
        companies' largest shareholder, a Director on the Board and as Vice
        Chairman will have the responsibility for Strategic Planning,
        Corporate Communications, and Intellectual Property Management.
        Tony Zalenski will be President and CEO of the combined companies.   

          "The combination of our companies will present a formidable
        presence in the marketplace," said Tony Zalenski, Boca Research's
        President and Chief Executive Officer, "I am exceedingly pleased to
        welcome the industry standard name, Hayes, to join with us.  We feel
        there will be explosive synergy between our two companies.  Boca's
        strong financial position, cost-effective manufacturing, ability to
        integrate technology, build effective business partnerships, and
        financial expertise will be dramatically fueled by Hayes' name-brand
        recognition, technology, distribution base, marketing know-how, and
        expansive international presence in Europe, the Americas, and Asia
        Pacific.  Our expanded company will be positioned to bring the
        industry's best values in leading edge communication technology to
        the consumer and business marketplace," he added.   

            "With the market-leading brands like Hayes, Boca, and Practical
        and the strengths of the management team of both companies, the new
        company will be even stronger at addressing the rapidly growing
        market segments," said Hayes' Chairman and President, Dennis C.
        Hayes.  "I am very glad this merger will allow us to keep our
        commitments to our creditors and continue to serve our customers
        going forward."   

           For the year ended Dec. 31, 1994, and the three months ended
        March 31, 1995, Boca Research reported revenues of $83.6 million and
        $27.3 million (unaudited) respectively.  For the year ended Sept.
        30, 1994 and the six months ended March 31, 1995, Hayes generated
        revenues of $246.9 million (unaudited) and $135.2 million unaudited,
        respectively.   

          Boca Research (NASDAQ:BOCI), founded in 1985, is a Florida
        corporation headquartered in Boca Raton.  The company designs,
        manufactures, markets, and supports quality, cost-effective data
        communications, multimedia and networking products to facilitate the
        transmission of information on personal computers and computer
        networks.  The company provides hardware products augmented with
        software for use in the corporate, consumer, and small office/home
        office marketplace.  Boca's current board-level enhancement and
        networking product categories include:  data communications
        (fax/data/voice modems); multimedia (video, telephony, sound, voice
        and data); networking; video graphics; and input/output (I/O),
        interface device enabler (IDE) and mutliport products.  The company
        sells its products worldwide to wholesale distributors, original
        equipment manufacturers (OEMs), and retailers.  For additional
        information about the company or its products, contact Boca Research
        at 1377 Clint Moore Road, Boca Raton, FL 33487, phone: 407/997-6227
        or fax: 407/994-5848.   

          Hayes, which filed a voluntary Chapter 11 Reorganization on Nov.
        15, 1994 and which has successfully restructured its operations
        during the proceedings, filed its Plan of Reorganization on May 15,
        1995.  The Plan will be updated to provide for payment of interest
        in connection with the payment to unsecured creditors of their valid
        claims.  Demand for Hayes products have remained strong throughout
        this period and current bookings are at record levels.   

           Hayes Microcomputer Products Inc. develops, supplies and
        supports computer communications equipment and software for personal
        computers and computer communications networks.  The company
        distributes its products in more than 65 countries through a global
        network of authorized distributors, dealers, mass merchants, VARs,
        system integrators and original equipment manufacturers.   

        CONTACT:  Boca Research Inc., Boca Raton

                  Gale Blackburn, Investor Relations Manager

                  407/997-8621 ext. 305 voice

                  or

                  Hayes Microcomputer Products Inc., Atlanta

                  Susan Merkel, Public Affairs Manager

                  404/840-9200