Houseplans.com to be Exclusive Provider of Stock House Plans for HomeTips.com NOVATO, Calif., March 22 /PRNewswire-FirstCall/ -- Houseplans, Inc. ("Houseplans"), a wholly-owned subsidiary of International Microcomputer Software, Inc. ("IMSI") (OTC:IMSI) (BULLETIN BOARD: IMSI) and a leading supplier of stock house plans online, announced today that HomeTips, Inc. has selected Houseplans.com as the exclusive house plans provider for HomeTips.com. HomeTips provides online home building and planning advice, and produces books, web content, and related material for businesses such as Sunset Publishing Corporation and Lowe's. "We are thrilled that a nationally recognized and highly-respected home construction authority such as HomeTips and Don Vandervort (President of HomeTips, Inc.) chose Houseplans' collection of 22,500 exceptional house plans to offer on their site," said Marvin Mauer, President of Houseplans, Inc. "By partnering with HomeTips, we will also be able to bring HomeTips' expert advice, home building content, and tools to Houseplans.com customers who need this information when planning for their most significant investment, their dream home. We are pleased to be able to do this for our customers." "Our partnership with Houseplans.com broadens the level of information and service that we're able to offer our visitors," says HomeTips' Vandervort. "Houseplans.com has the most outstanding selection of stock house plans and the easiest ordering interface we've seen. In addition, the Power Search feature at Houseplans.com makes it possible for our visitors to quickly identify and locate the best house plans for their needs from a vast selection of possibilities," he adds. About Houseplans, Inc. Houseplans, Inc. (http://www.houseplans.com/), a wholly-owned subsidiary of IMSI (R), is focused on serving the rapidly growing market for the sale of stock house plans online and related home building services. The company's mission is to help customers find and acquire the perfect plan for their dream home by offering the largest selection of quality house plans and providing an experience that exceeds all customer expectations. More information about Houseplans can be found at http://www.houseplans.com/, http://www.houseplanguys.com/, http://www.globalhouseplans.com/, and homeplansuperstore.com. About HomeTips, Inc. HomeTips provides online advice and help to homeowners, and produces books, web content, and related material for businesses. Don Vandervort, President of HomeTips, Inc., is a nationally recognized home construction expert who has written more than 25 books, including Home Magazine's "How Your House Works" (Ballantine, 1995) and "The Home Problem Solver" (Perseus Books, 2000). He was a regular guest on the HGTV award-winning show, "The Fix." For more information on HomeTips, Inc. visit http://www.hometips.com/. About IMSI Founded in 1982, IMSI has established a tradition of providing the professional and home user with innovative technology and easy-to-use, high- quality products at affordable prices. More information about IMSI can be found at http://www.imsisoft.com/. NOTE: IMSI is a registered trademark of International Microcomputer Software, Inc. All other trademarks are the trademarks or registered trademarks of their respective owners. Safe Harbor Statement This announcement contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934, and within the meaning of the Private Securities Litigation Reform Act of 1995. Actual results could differ materially from those projected in the forward-looking statements as a result of various factors including the ability of the company to successfully commercialize its new technologies as well as risk factors set forth from time to time in the Form 10-KSB for the period ended June 30, 2005 and other company's reports filed with the Securities and Exchange Commission. The company undertakes no obligation to publicly release the result of any revisions to these forward- looking statements, which may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events. DATASOURCE: Houseplans, Inc. CONTACT: Katie Nelson, +1-415-878-4000, or , or Robert O'Callahan, Investor Relations, +1-415-878-4020, or , both of International Microcomputer Software, Inc. Web site: http://www.houseplans.com/ http://www.hometips.com/ http://www.imsisoft.com/

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