Network of Web sites Now Offers Over 21,000 Plans NOVATO, Calif., Aug. 19 /PRNewswire-FirstCall/ -- Houseplans, Inc. ("Houseplans"), a wholly-owned subsidiary of International Microcomputer Software, Inc. ("IMSI") and a leading supplier of stock house plans online, announced today that it has achieved the new milestone of now being able to offer over 21,000 plans through its network of Web sites. This increased offering of stock house plans provides customers not only with one-stop access to a huge selection of exceptional plans created by over 150 leading designers in North America, but also access to related resources such as its Houseplans' Cost-to-Build(TM) and Plan Modification Services, and its Find-a-Builder directory. "We want customers to have the benefits of being able to select and purchase a house plan for their dream home from the best collection available online when they browse our network of Web sites," said Jeff Spring, Vice President of Houseplans, Inc. "As the largest provider of quality stock house plans online, we're committed to offering our customers the widest array of plans possible, as well as exceptional customer service." "Ensuring that our customers have single-source access to the most extensive and highest quality selection of plans to choose from remains our number one goal," said Marvin Mauer, President of Houseplans, Inc. "Our market share continues to grow through our ongoing strategy of aggressively acquiring popular, in-demand content and providing a first-class customer experience. We are dedicated to continuing to strengthen our position as a market leader in this segment of the home construction industry." About Houseplans, Inc. Houseplans, Inc. (http://www.houseplans.com/), a wholly-owned subsidiary of IMSI (R)(OTC:IMSI) (BULLETIN BOARD: IMSI) , is focused on expanding its network of Web properties to serve the rapidly growing market for the sale of stock house plans on-line 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.homeplanfinder.com/, http://www.globalhouseplans.com/, and homeplansuperstore.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 under "Factors Affecting Future Operating Results" in the company's annual report on Form 10-KSB for the year ended June 30, 2004, and such other risks detailed from time to time in the 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: International Microcomputer Software, Inc. CONTACT: Gordon Landies, +1-415-878-4000, or , or investors, Robert O'Callahan, +1-415-878-4012, or , both of International Microcomputer Software, Inc. Web site: http://www.houseplans.com/ Web site: http://www.imsisoft.com/

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