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Red Hat Delivers Certified Open Source Stacks Online

New certified stacks, available on Red Hat Network, simplify application development and testing with open source components such as Linux, Apache, MySQL, PostgreSQL and Tomcat RALEIGH, NC- December 6, 2005 - Red Hat (NASDAQ: RHAT), the world's leading pr

RALEIGH, N.C.

Red Hat's Web Application Stack is for simple websites and applications, and includes support for the popular LAMP components (the Apache HTTP Server, MySQL database and PHP scripting language), on top of Red Hat Enterprise Linux. Customers may also choose the PostgreSQL database, which is also available as an option with the Web Application Stack.

Java Web Application Stack: Red Hat's Java Web Application Stack is for more dynamic web applications, and includes support for all components of the Web Application Stack (LAMP + PostgreSQL), plus support for the Apache Tomcat Servlet and JSP container. Included with this stack are support and updates for key Java development libraries and tools: Apache Struts, Apache Axis, Spring, Hibernate, Lucene, Ant, Junit, Jython, Log4J and key XML libraries.

Enterprise Java Stack: The Red Hat Enterprise Java Stack includes support for all components of the Java Web Application Stack above, plus support for a full Java application server based on ObjectWeb's J2EE-certified JOnAS project (already available as Red Hat Application Server). Like the Java Web Application Stack, the Enterprise Java Stack includes support for key Java development libraries, as well as MySQL or PostgreSQL.

âeuroœFor the past few years, UBS has been using components of these stacks as a base for application development in our Linux environments. However cross-component integration was an ongoing issue,âeuro said Steve Russell, managing director, UBS Investment Bank. âeuroœRed Hat's move to certify and support full stacks integrated with the operating system better aligns them with our use of the technology. We applaud them for the initiative and anticipate it will bring needed maturity and manageability to the open source development platform.âeuro

Each Red Hat certified stack includes free access to Red Hat's Eclipse-based Developer Suite, and will be available as a layered subscription on top of Red Hat Enterprise Linux. As always, all Red Hat technology is available for free download for development at http://www.redhat.com/developers.

Pricing and Availability

The Red Hat certified stacks for dynamic web application development and deployment will be available beginning in the first calendar quarter of 2006 directly from Red Hat. Subscription pricing will start at $599 USD per server. For more information please visit http://www.redhat.com

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

Any statements in this press release about future expectations, plans and prospects for the Company, including statements containing the words "believes," "anticipates," "plans," "expects," "will," and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: the factors discussed in our most recent Quarterly Report on Form 10-Q filed with the SEC (a copy of which may be accessed through the SEC's website at http://www.sec.gov), 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 and the viability of the Internet. In addition, 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 the press release.

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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.