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

Raleigh

United States, December 10, 2003

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

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

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