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Third Corporate Patent Underscores MarimbaÂ’s Continued Commitment to Innovative Software and Content Distribution Offerings

MOUNTAIN VIEW, Calif., - May 6, 2002 - Marimba, Inc. (Nasdaq: MRBA), the Software Change-Management Company, today announced that the United States Patent and Trademark Office has awarded Patent No. 6,367,075 B1 to Marimba for the updating technology within its software. This patent is the third that Marimba has received overall for its technology.

“We’ve built our business on providing the industry’s most innovative and comprehensive software and content change management offerings,” said Rich Wyckoff, president and CEO of Marimba. “Our latest patent - for the technology used to remove updates - illustrates our continued commitment to innovation.”

Marimba’ newest patent applies to technology developed by Marimba’s co-founder Sami Shaio, in collaboration with Anson Mah and Louis Kruger. Entitled “Method and Apparatus for Producing Instructions Describing the Removal of Updates to a Computer System,” this patent describes a product and apparatus for removing computer updates through the same instructions used to install them.

About Marimba

Marimba, Inc., the Software Change-Management Company, is headquartered in Mountain View, Calif. MarimbaÂ’s Desktop/Mobile Management, Server Management, and Embedded Management product families allow Global 2000 companies to better manage their IT resources, increase operational efficiency and reduce IT costs. Additional information is available on the Internet at www.marimba.com.

This press release contains forward-looking information within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, and is subject to the safe harbors created by these sections. These forward-looking statements concern the ability of Marimba to provide the industryÂ’s most innovative and comprehensive software change management offerings, and MarimbaÂ’s continued commitment to innovation. Those results are subject to a number of risks and uncertainties, including the rapid pace of technological change and the technical challenges specific to the software change management industry, competition from other vendors, and general economic, technological and market conditions. Actual results may differ materially due to these and other factors. The matters discussed in this press release also involve risks and uncertainties described from time to time in MarimbaÂ’s filings with the Securities and Exchange Commission. In particular, see the Risk Factors described in MarimbaÂ’s most recently filed Annual Report on Form 10-K. Marimba assumes no obligation to update the forward-looking information contained in this press release.

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Marimba is a registered trademark of Marimba, Inc. in the U.S. and/or certain other countries. Other product, trademark, company or service names mentioned herein are the property of their respective owners.