CALDERA(R) and LINUXKOREA to PROVIDE LINUX(R) SOLUTIONS for KOREAN ENTERPRISE BUSINESS MARKET Submitted By: Archetype (Text100) Tuesday, 31 July 2001

CALDERA(r) AND LINUXKOREA TO PROVIDE LINUX(r) SOLUTIONS FOR KOREAN ENTERPRISE BUSINESS MARKET Submitted by: Archetype (Text100) Tuesday, 31 July 2001

Largest Korean Linux System Integrator Switches to Caldera and Begins Joint Effort to Develop the Korean Business Market OREM, UT-July 30, 2001- Caldera International Inc. (Nasdaq: CALD), the global leader "Unifying UNIX(r) with Linux(r) for Business(tm)," today announced it has signed a strategic alliance MOU with LinuxKorea Co. Ltd., Korea's largest Linux system integrator, to cooperatively develop the enterprise Linux market in Korea. LinuxKorea chose to work with Caldera after reviewing Caldera's unifying strategy on UNIX and Linux for Business. As terms of the agreement, Caldera and LinuxKorea will collaborate in system integration, consulting and application development for Caldera's OpenLinux(tm) and Open UNIX platforms. Caldera and LinuxKorea's first step will be to create a Linux support center that will serve as a support portal for the two companies. In addition, they will plan co-promotion and co-marketing activities with other Linux-based solution venders to promote Linux to the Korean enterprise market. "Caldera is pleased to work with LinuxKorea to provide Linux solutions for business in Korea," said Ken Bergenthal, managing director, Asia Pacific Alliances, Caldera. "Together we will allow new and existing corporate customers to finally make the move to Linux-based solutions. The Korean industry has been looking for a global and local leader to step up and take the Linux industry to the next stage. Caldera and LinuxKorea now have the answer." "Caldera's developer level engineering support and education support are invaluable assets for penetrating the enterprise market in Korea," said Hyuk-Jin Park, CEO of LinuxKorea. "Together, our two companies have the Linux technology needed for front-end and back-end computing. Caldera is the world's largest Linux company, and owns the technology for unifying UNIX with Linux.

Page 1 "LinuxKorea is a major Korean Linux company with significant Linux porting capability and system integration consulting experience. The collaboration of our two companies provides the momentum for a successful launch of Linux into the Korean IT environment. We also hope to extend the Linux business area into the UNIX market with Caldera's new strategy." Caldera International, Inc. Caldera International (Nasdaq: CALD) is the leader in "Unifying UNIX with Linux for Business." Caldera was the first to create the "Develop-on, Deploy-on, Manage" strategy for Linux-based clients and servers. Based in Orem, UT, Caldera has representation in 82 countries and has 15,000+ resellers worldwide. For more information on Caldera products and services, visit http://www.caldera.com. LinuxKorea Co. Ltd. LinuxKorea has various Linux based enterprise solutions such as "DynaMail" which is enterprise level Messaging Server Solution and LDAP solutions. Recently LinuxKorea successfully deployed the Linux based enterprise environment using IBM S/390 mainframe in Korean Air. LinuxKorea leads the Korean Linux market in the mission critical environment of the enterprise. Caldera, OpenLinux, SCO, UnixWare and "Unifying UNIX with Linux for Business" are trademarks or registered trademarks of Caldera International, Inc. All other products, services, companies, events and publications are trademarks, registered trademarks or servicemarks of their respective owners in the U.S. and/or other countries. LINUX is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States and other countries. Forward Looking Statements The statements set forth above include forward-looking statements that involve risks and uncertainties. The Company wishes to advise readers that a number of important factors could cause actual results to differ

Page 2 materially from those in the forward-looking statements. Those factors include the Company's ability to compete effectively with other companies; failure of our brand to achieve the broad recognition necessary to succeed; claims of infringement of third-party intellectual property rights; and disruption in the Company's distribution sales channel. These and other factors, which could cause actual results to differ materially, are also discussed in the Company's filings with the Securities and Exchange Commission, including its recent filings on Form 10-Q. Amy Redhead Text 100 Public Relations Tel: +44 (0) 20 8996 4138 Fax: +44 (0) 20 8996 1238 Email: [email protected]

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