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Red Hat Enterprise Linux v.3 Has Become First Enterprise Linux Platform to Simultaneously Achieve Certification on all Available LSB Architectures

Certification continues Red Hat's leadership in delivering industry standards.

RALEIGH, N.C

Red Hat, Inc. (Nasdaq:RHAT), the world's premier open source solution provider to the enterprise, today announced that Red Hat Enterprise Linux v.3 is the first enterprise Linux platform to be certified by the Free Standards Group across all Linux Standard Base (LSB) Runtime Environment architectures. The certification is consistent with Red Hat's Open Source Architecture strategy to provide a common, standards-based computing environment across the enterprise. Supported architectures include x86-compatible, Itanium, IBM iSeries, IBM S/390, and IBM zSeries platforms. In addition, Red Hat is the first operating system provider to be LSB certified on the IBM's zSeries, iSeries, and pSeries and S390 platforms.

"The certification of Red Hat Enterprise Linux as an LSB Compliant Runtime Environment is an indicator of the rapid advancements Linux has made in the enterprise," said Daniel Quinlan, Chairman of the Board of the Free Standards Group. "LSB certification is critical to companies and their customers to ensure compatibility across an enterprise infrastructure."

The LSB is a workgroup under the Free Standards Group and a community effort to standardize the elements of Linux-based operating systems so that independent software vendors (ISVs) can support all Linux-based operating systems. The LSB standardizes the core functionality of Linux and the suite of GNU tools, giving Linux distributions and Linux-based applications the opportunity to reach a wider market, while allowing application developers to concentrate on increased functionality. As a long-time supporter of this effort, Red Hat believes that standardization is an important goal for the Linux community and plans to continue aiding this venture.

For more information on Red Hat Enterprise Linux, please visit http://www.redhat.com or call 866-2-REDHAT extension 45066. More information on the LSB can be found at http://www.linuxbase.org

About Red Hat, Inc.

Red Hat, the world's leading open source and Linux provider, is headquartered in Raleigh, NC with satellite offices spanning the globe. Red Hat is leading Linux and open source solutions into the mainstream by making high quality, low cost technology accessible. Red Hat provides operating system software along with middleware, applications and management solutions. Red Hat also offers support, training and consulting services to its customers worldwide and through top-tier partnerships. Red Hat's open source strategy offers customers a long term plan for building infrastructures that are based on and leverage open source technologies with focus on security and ease of management. Learn more: http://www.redhat.com

Forward-Looking Statements

Forward-looking statements in this press release are made pursuant to the safe harbor provisions of Section 21E of the Securities Exchange Act of 1934. Investors are cautioned that statements in this press release that are not strictly historical statements, including, without limitation, management's plans and objectives for future operations, and management's assessment of market factors, constitute forward-looking statements which involve risks and uncertainties. These risks and uncertainties include, without limitation, reliance upon strategic relationships, management of growth, the possibility of undetected software errors, the risks of economic downturns generally, and in Red Hat's industry specifically, the risks associated with competition and competitive pricing pressures, the viability of the Internet, and other risks detailed in Red Hat's filings with the Securities and Exchange Commission, copies of which may be accessed through the SEC's Web site at http://www.sec.gov.

LINUX is a trademark of Linus Torvalds. RED HAT is a registered trademark of Red Hat, Inc. All other names and trademarks are the property of their respective owners.

About Red Hat

Red Hat is the world’s leading provider of open source software solutions, using a community-powered approach to reliable and high-performing cloud, Linux, middleware, storage and virtualization technologies. Red Hat also offers award-winning support, training, and consulting services. As the connective hub in a global network of enterprises, partners, and open source communities, Red Hat helps create relevant, innovative technologies that liberate resources for growth and prepare customers for the future of IT. Learn more at http://www.redhat.com.

Forward-looking statements

Certain statements contained in this press release may constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements provide current expectations of future events based on certain assumptions and include any statement that does not directly relate to any historical or current fact. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: risks related to delays or reductions in information technology spending; the effects of industry consolidation; the ability of the Company to compete effectively; the integration of acquisitions and the ability to market successfully acquired technologies and products; uncertainty and adverse results in litigation and related settlements; the inability to adequately protect Company intellectual property and the potential for infringement or breach of license claims of or relating to third party intellectual property; the ability to deliver and stimulate demand for new products and technological innovations on a timely basis; risks related to data and information security vulnerabilities; ineffective management of, and control over, the Company’s growth and international operations; fluctuations in exchange rates; and changes in and a dependence on key personnel, as well as other factors contained in our most recent Quarterly Report on Form 10-Q (copies of which may be accessed through the Securities and Exchange Commission’s website at http://www.sec.gov), including those found therein under the captions "Risk Factors" and "Management’s Discussion and Analysis of Financial Condition and Results of Operations". In addition to these factors, actual future performance, outcomes, and results may differ materially because of more general factors including (without limitation) general industry and market conditions and growth rates, economic and political conditions, governmental and public policy changes and the impact of natural disasters such as earthquakes and floods. The forward-looking statements included in this press release represent the Company’s views as of the date of this press release and these views could change. However, while the Company may elect to update these forward-looking statements at some point in the future, the Company specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing the Company’s views as of any date subsequent to the date of this press release.