DVSA Diversa (MM)

CAMBRIDGE, Mass., April 19 /PRNewswire/ -- Celunol Corp., a leader in the development of cellulosic ethanol, announced today that members of its management will participate in three upcoming conferences. Carlos A. Riva, Chief Executive Officer of Celunol Corp., will contribute in a Biomass panel discussion at Canaccord Adams' Recycle Investment Conference to begin at 2:30 p.m. (Central Time) on Thursday, April 19. The conference will take place at the Peninsula Chicago Hotel in Chicago, Illinois. Dr. Gregory W. Luli, Vice President, Research of Celunol Corp., will be presenting at the Second Annual Renewable Energy Finance and Investment Summit. The panel discussion entitled, "Cellulosic Ethanol: State of The Industry", is scheduled to begin at 3:30 p.m. (Mountain Time) on Monday, April 23, and will take place at the Pointe South Mountain Resort in Phoenix, Arizona. John A. McCarthy, Jr., Executive Vice President & CFO of Celunol Corp., will be presenting at the Jefferies & Company Third Annual Global Clean Technology Conference. The presentation is scheduled to begin at 3:50 p.m. (Eastern Time) on Wednesday, May 2, and will take place at the Mandarin Oriental, New York. A live webcast may be accessed during the presentation and for a limited period of time following the conference at http://www.wsw.com/webcast/jeff16/dvsa . About Celunol Celunol Corp., headquartered in Cambridge, Massachusetts, is moving rapidly to commercialize its proprietary technology for producing ethanol from a wide array of cellulosic biomass feedstocks including sugarcane bagasse, agricultural waste, wood products and dedicated energy crops. Celunol holds exclusive rights to employ key technology developed at the University of Florida in the early 1990s for the production of fuel ethanol. The company aspires to develop and build a portfolio of cellulosic ethanol and other biomass facilities in the U.S. and abroad. Celunol has recently completed upgrades to its pilot-scale cellulosic ethanol plant in Jennings, Louisiana, which is one of the first such facilities in the nation. The company is currently constructing a demonstration-scale cellulosic ethanol facility at the same site with a design production capacity of 1.4 million gallons per year. Celunol has also licensed its technology to Marubeni Corporation and Tsukishima Kikai Co., LTD for facilities built in Japan and certain other Asian countries. Pursuant to this license the company's process technology has been incorporated into Bioethanol Japan's 1.4 million liters-per-year cellulosic ethanol plant in Osaka, Japan - the world's first commercial scale plant to produce cellulosic ethanol from wood construction waste. On February 12, 2007 Celunol and Diversa Corporation (NASDAQ:DVSA), a leader in the development of high-performance specialty enzymes, announced that they have entered a definitive merger agreement. For more information on Celunol, visit http://www.celunol.com/. DATASOURCE: Celunol Corp. CONTACT: John B. Howe of Celunol Corp. +1-617-674-5318, or , or Kevin Stickney of Calypso Communications, +1-603-431-0816, for Celunol Corp. Web site: http://www.celunol.com/ http://www.wsw.com/webcast/jeff16/dvsa

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