CALDERA SYSTEMS REPORTS FOURTH QUARTER and FISCAL 2000 Submittedresults By: Archetype (Text100) Wednesday, 6 December 2000

CALDERA SYSTEMS REPORTS FOURTH QUARTER AND FISCAL 2000 SubmittedRESULTS by: Archetype (Text100) Wednesday, 6 December 2000

40% Increase in Revenue Over Fiscal 1999 Launched by Growth in Services and Education OREM, UT - December 6, 2000 - Caldera Systems, Inc. (Nasdaq: CALD), a "Linux for Business" leader, today reported revenue of $1.2 million for the three months ended October 31, 2000, a 34% increase over revenue of $874,000 for the comparable three months of the previous fiscal year. For the year ended October 31, 2000, revenue was $4.3 million compared to $3.1 million for the previous year, an increase of 40%. The primary growth in year-over-year revenue stems from services, education and training related revenue, which increased to $1.3 million in fiscal 2000 from $277,000 in fiscal 1999. The Company reported a net loss attributed to common stockholders for the three months ended October 31, 2000 of $6.9 million, or $0.18 per common share, compared with $4.5 million, or $0.17 per common share, for the comparable three months of the previous fiscal year. The net loss attributed to common stockholders for the year ended October 31, 2000 was $39.2 million, or $1.19 per common share, compared to $9.4 million, or $0.51 per common share, for the year ended October 31, 1999. Excluding the effects of a non-recurring cost-sharing charge to The Santa Cruz Operation of $1.5 million (of which $898,000 was recorded in the fourth quarter of 2000 and $602,000 will be recorded in the first quarter of 2001) and a gain from the sale of Electronic Linux Marketplace assets of $2.3 million, the net loss to common shareholders would have been $0.21 per common share for the fourth quarter of 2000. "Increases in the global sales of existing products and services indicate the rising demand for - and confidence in - Caldera OpenLinux products and services," said Ransom Love, president and CEO of Caldera Systems, Inc. "As

Page 1 we continue to focus our efforts on the successful integration with the two SCO divisions, we expect tremendous synergies to emerge from Linux and UNIX technologies." Fourth Quarter 2000 Company highlights include: - Compaq chooses Caldera as its premier Linux and UNIX provider - Certification of Oracle8i database on Caldera OpenLinux eServer 2.3 * First OpenLinux Solution Series courses are complete and available through OpenLearning Providers * eServer 2.3 wins Network World's "Blue Ribbon Award" for use as enterprise server * OpenLinux eDesktop 2.4 wins CNET "Editors' Choice Award" * Caldera receives highest rating among all Linux distributions in VARBusiness 2000 Annual Report Card * Successful Open Beta Testing of Caldera Volution, a new Linux management solution Fiscal 2000 Company highlights include: * Definitive agreement to acquire The Santa Cruz Operations' Software Server and Professional Services Divisions * IBM Chooses OpenLinux eServer as first Linux pre-load on IBM Netfinity servers * OpenLinux wins Linux Journal's "Product of the Year" * OpenLinux awarded Internetweek's "Best of the Best" * OpenLinux awarded "Best Distribution of the Millennium" by "The Linux Show"

Page 2 * OpenLinux eDesktop wins "Emperor Award" from Linux Magazine * Caldera allies with IBM, SUN, SCO, Fujitsu, AST, Pervasive Computing, and Tripwire * Caldera signs license agreement with Citrix * Caldera signs agreement with SCO professional services * Caldera signs agreement with IBM to ship WebSphere in OpenLinux eBuilder * Caldera ships first Linux desktop product for the Internet: OpenLinux eDesktop 2.4. eDesktop ships with Citrix ICA Client, Moneydance personal finance manager, Webmin remote browser-based utility, pre-configured ISP access numbers, key Internet browsers and plug-ins * OpenLinux eBuilder ships enabling open, scalable, Java(-based eCommerce solutions using IBM WebSphere(tm) and Evergreen ECential(tm) * Sale of 5,750,000 shares of the Company's common stock resulted in a net capital infusion of $74.9 million * Adds retail outlets Costco, Staples and Buy.com * Adds Douglas Stewart, Inc., higher education distributor * Established distribution in major markets in Asia/Pacific, Europe, Middle East, Africa (EMEA ) Conference Call The Company will host a conference call at 5:00 p.m. EST today, December 6, 2000, to discuss fourth quarter and fiscal year 2000 results. To participate in the teleconference, please call (800) 289-0436, confirmation code 520715, approximately five minutes prior to the time stated above. A listen only Webcast of the call will be broadcast live with a replay. The Webcast and replay may be accessed from www.calderasystems.com/conference.html. Caldera Systems, Inc.

Page 3 Caldera Systems, Inc. (Nasdaq: CALD) is a "Linux for Business" technology leader in developing and marketing successful Linux-based business solutions, including its award-winning OpenLinux, NetWare for Linux, Linux technical training, certification and support-with free 30-day phone support and on-site consulting. Caldera OpenLearning Providers offer exceptional distribution-neutral Linux training and certification based on Linux Professional Institute (LPI() certification standards. Caldera Systems supports the open source community and is a leader in, and advocate of, Linux Standard Base (LSB() and LPI(. Caldera, Inc. was co-founded in 1994 by Ransom Love. Caldera Systems, Inc.was founded by Ransom Love in 1998 to develop Linux-based business solutions. Based in Orem, UT, Caldera Systems has offices and 1000+ resellers worldwide. For more information, see www.calderasystems.com or in the US call 888-GO-Linux (888-465-4689). Caldera is a registered trademark of Caldera Systems, 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. 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 materially from those in the forward-looking statements. Those factors include the failure of the products described above to operate as designed due to incompatibility with some platforms or other defects; our reliance on developers in the open source community; new and changing technologies and customer acceptance of those technologies; the Company's ability to compete effectively with other companies; failure of our brand to achieve the broad recognition necessary to succeed; unenforceability of the GNU general public

Page 4 license; our reliance on third party developers of components of our software offerings; 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 S-4.

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