Conference Call Scheduled for Monday, January 8, 2007 at 8:30 a.m. ET SAN DIEGO, Jan. 8 /PRNewswire-FirstCall/ -- Diversa Corporation (NASDAQ: DVSA), a leader in the development of high-performance specialty enzymes, will host a conference call with live webcast on Monday, January 8, 2007 at 8:30 a.m. Eastern Time. The call will provide further details regarding the company's refocused collaboration with Syngenta, a summary of selected, unaudited, preliminary fi- nancial results for 2006, selected financial guidance for 2007, and an over- view of Diversa's emerging biofuels strategy. Information about the call, including a link to the live webcast, may be accessed by visiting the Company's website at http://www.diversa.com/ and accessing the "Calendar of Events" under the "Investors" section of the website during the call and for a limited period of time following the call. The webcast is also being distributed through the Thomson StreetEvents Network. Individual investors can listen to the call at http://www.earnings.com/, Thomson's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson StreetEvents (http://www.streetevents.com/), a password-protected event management site. About Diversa Since 1994, San Diego-based Diversa Corporation has pioneered the develop- ment of high-performance specialty enzymes. The Company possesses the world's broadest array of enzymes derived from bio-diverse environments as well as patented DirectEvolution(R) technologies. Diversa customizes enzymes for manufacturers within the alternative fuel, industrial, and health and nutri- tion markets to enable higher throughput, lower costs, and improved environ- mental outcomes. For more information, please visit http://www.diversa.com/. Contact: Wendy Kelley Investor Relations (858) 526-5437 DATASOURCE: Diversa Corporation CONTACT: Wendy Kelley, Investor Relations, +1-858-526-5437, Diversa Corporation Web site: http://www.diversa.com/ http://www.streetevents.com/ http://www.earnings.com/

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