Infinity Bio-Energy Announces Revenue of US$ 56.9 Million for the Six-Month Period Ended September 30, 2007

SAO PAULO, Brazil, Dec. 18 /PRNewswire-FirstCall/ — Infinity Bio-Energy Ltd. (“Infinity”) (AIM: IBI.L), a renewable energy company that aims to become one of the leaders in the production and distribution of ethanol, is pleased to announce its interim results for the six months ended September 30, 2007.

   Highlights   — Infinity recorded revenue of US$ 56.85 million, compared to      US$ 35.05 million for the period of March 2006 to March 2007.   — The Company successfully accomplished the acquisition of three mills      and a new purchase agreement, adding 8.3 million tons of crushing      capacity.   

Commenting on the results, Sergio Thompson-Flores, Infinity’s CEO, said: “Infinity has had a successful six months and we are very pleased with the progress that has been made. We have continued to advance with Infinity’s strategic development, moving forward on our acquisition pipeline and achieving higher performance on our existing mills. We look forward to the remainder of the fiscal year with great confidence.”

   To access the Interim Results, visit   http://www.mzcenter.com.br/Arquivos/91031.pdf    For further information, please contact:   Infinity Bio-Energy   Sergio Thompson-Flores, CEO                 +55 11 3525-9921   Rodrigo Aguiar, Investor Relations Officer  +55 11 3525-9922    Collins Stewart Europe Limited   Adrian Hadden / Adam Cowen                  +44 (0) 20 7523 8353    About Infinity Bio-Energy Limited:  

Infinity Bio-Energy Limited is a renewable energy company that aims to become one of the global leaders in the production and distribution of fuel ethanol. The Company was founded in March 2006 to acquire, build and operate sugar and ethanol production facilities with a focus on Brazil. Infinity’s main points of differentiation in the sector are due to its deliberate cluster strategy, location of these clusters and international expansion strategies. The Company’s vision includes a commitment to sustainable production and striving to invest in creating a vertically integrated company, including developing better logistical solutions to reduce delivered cost in its destination markets both in Brazil and in the world market.

Infinity Bio-Energy Ltd.

CONTACT: Sergio Thompson-Flores, CEO, +011-5511-3525-9921, or RodrigoAguiar, Investor Relations Officer, +011-5511-3525-9922, both of Infinity Bio-Energy; or Adrian Hadden or Adam Cowen, both of Collins Stewart EuropeLimited, +44 (0) 20 7523 8353

Web site: http://www.infinitybio.com.br/