Watsonville, CA - April 4, 2001 - Aladdin Systems, Inc., a wholly owned subsidiary of Aladdin Systems Holdings, Inc. (OTC BB: ALHI), today announced it is shipping Spring Cleaning(tm), the best-selling uninstaller, for Mac OS X(tm). Spring Cleaning 3.5.1 is a free update to Spring Cleaning 3.5 registered users. "Spring Cleaning is Aladdin's second release for Apple's new operating system, Mac OS X," said Pauline Shumake, Spring Cleaning product manager at Aladdin Systems. "Aladdin is thrilled to be one of the first developers to already have software available for Mac OS X, first StuffIt(tm) and now Spring Cleaning. It shows our commitment to the Macintosh community. And there's no doubt all the new OS X users will need Spring Cleaning's uninstaller capabilities and its organizational tools as they upgrade to the new operating system." Spring Cleaning is the number one uninstaller for the Macintosh and provides 13 powerful utilities to help users clean and organize their hard drive by searching for and removing unneeded files, folders, applications, and more. Spring Cleaning 3.5.1 helps users easily rid their hard drives of unwanted Internet-related clutter with its iClean(tm) desktop tool. To learn more about Spring Cleaning visit: http://www.aladdinsys.com/springcleaning/index.html