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Company Attributes Vast Market Opportunity for XML Servers in its 15,554 Percent Revenue Growth Over Five-Year Period

SAN CARLOS, CA — October 31, 2008 — MarkLogic Corporation, a leading provider of infrastructure software for information applications, today announced that it has been named to Deloitte’s Technology Fast 50 Program for Silicon Valley Software and Information Technology (IT) companies. MarkLogic’s increase in revenues of 15,554 percent from fiscal year 2003 to 2007 resulted in a fourth ranking in the Technology Fast 50 for Silicon Valley.

This year’s Silicon Valley Technology Fast 50 program is co-presented by Deloitte, Silicon Valley Bank, Korn/Ferry International, Cooley Godward Kronish LLP, Cornish & Carey Client Solutions, and ABD Insurance and Financial Services – A Wells Fargo Company. Rankings are based on the percentage revenue growth over five years from fiscal year 2003–2007. The average increase in revenues among companies that made the Technology Fast 50 for this region was 3,049 percent.

MarkLogic CEO Dave Kellogg attributes new markets and channels with the company’s impressive revenue growth from fiscal year 2003–2007. Kellogg said, “We have kept a strong focus on expanding our presence within the strategic industries of Information & Media and government, and on fueling new growth initiatives including international, OEMs and new vertical market development. We believe the market potential for XML servers is still largely untapped and MarkLogic is uniquely positioned to continue to thrive.”

“Sustaining high revenue growth over five years is an exceptional accomplishment,” said Mark Jensen, Managing Partner, National Venture Capital Services, Deloitte & Touche LLP, in Silicon Valley. “We commend MarkLogic Corporation for making the commitment to technology and delivering on the promise of market longevity. We are proud to honor MarkLogic to Deloitte’s Technology Fast 50.”

To qualify for the Technology Fast 50, companies must have had operating revenues of at least $50,000 in fiscal year 2003 and $5,000,000 in fiscal year 2007, be headquartered in the San Francisco Bay Area, and be a company that owns proprietary technology or proprietary intellectual property that contributes to a significant portion of the company’s operating revenues; or devotes a significant proportion of revenues to the research and development of technology. Using other companies’ technology or intellectual property in a unique way does not qualify.

Companies from the regional Technology Fast 50 programs in the United States and Canada are automatically entered in Deloitte’s Technology Fast 500 program, which ranks North America’s top 500 fastest growing technology, media, telecommunications and life sciences companies. For more information on Deloitte’s Technology Fast 50 or Technology Fast 500 programs, visit www.fast500.com.

About Deloitte

As used in this document, “Deloitte” means Deloitte LLP. Please see www.deloitte.com/about/ for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.