August 23, 2025 RED HAT NAMED MARKET LEADER IN WORLDWIDE LINUX SHIPMENTS FOR SECOND CONSECUTIVE YEAR Red Hat, Inc. the leader in open source Internet infrastructure solutions, today announced that International Data Corporation (IDC) has named it the market leader for the second consecutive year in Linux shipments worldwide. In its ``Linux Market Trends: Vendor Market Share and Growth Prospects'' bulletin, IDC points out that Red Hat is the undisputed Linux market leader with 52.4 percent of all worldwide Linux server software shipments¾more than three times the market share of its nearest competitor. Additional IDC research in ``Server Operating Environments Market Forecast and Analysis, 2000-2004,'' states that Linux remains the fastest-growing server operating system, with the worldwide installed base of Linux growing at a 35 percent compound annual growth rate (CAGR) between 1999-2004. ``The IDC and other recent surveys provide powerful evidence of Red Hat's brand and the increasing success of our strategy to provide the full-range of software and services for the open source Internet infrastructure, spanning powerful Web servers to post-PC devices,'' said Matthew Szulik, president and CEO of Red Hat, Inc. ``Red Hat has been the leading supplier of Linux software since IDC started tracking this software market in 1994,'' said Dan Kusnetzky, vice president of IDC's system software research. ``This company has successfully created a brand which is recognised worldwide.'' The IDC research echoes another recent survey illustrating Red Hat's leadership. Netcraft Inc.'s (www.netcraft.com) May 2000 Web Server Survey located almost 850,000 Web sites worldwide that run Linux and provide a personalised server header. Out of these sites, 72 percent run on Red Hat Linux (compared with just 10 percent for the second largest distribution). In June, Netcraft found that 30 percent of all public Web sites run on Linux-based operating systems, making Linux the most popular choice for deploying public Web sites. About Red Hat Founded in 1994, Red Hat is a leader in the development of Linux-based operating system software (OS) and services. Based in Durham, N.C., Red Hat builds the most accessible and advanced server OS available anywhere with technical innovations such as RPM and the disk druid installation tool. Red Hat Linux is available for Intel, Compaq Alpha and Sun SPARC platforms. Red Hat Linux available directly from the company and through Red Hat's partner, distributor and reseller programs, which include top PC and server manufacturers like Dell, IBM and Hewlett-Packard. Red Hat Europe was established in July 1999 with its European headquarters based in Surrey, United Kingdom and offices throughout Europe. Red Hat Linux is sold and supported through a number of major distribution and industry partners throughout Europe and from www.europe.redhat.com/shop Red Hat Linux was named InfoWorld's Product of the Year for four years in a row, was given a productivity accolade in Software Development's Jolt Awards, was named an environment/desktop finalist in the Ziff-Davis European Excellence Awards, won the editor's choice awards from the Linux Journal and Australian Personal Computing magazines, and won the `Just Plain Cool' award from Australian Personal Computing magazine. At March's LinuxWorld Expo, more than 8,000 members of the Linux community voted Red Hat a `LinuxWorld Favourite'. Red Hat Linux recently won a Product Excellence award from Software Development Magazine. LINUX is a trademark of Linus Torvalds. RED HAT is a registered trademark of Red Hat, Inc. UNIX is a registered trademark of The Open Group. All other names and trademarks are the property of their respective owners. For further information please contact Fiona Phelps Red Hat phone: +44 (0)1483 300 169 email: fphelps@redhat.com