Infinity Bio-Energy Ltd. ("Infinity" or the "Company") is pleased to announce the purchase of an additional 1,113,334 warrants consistent with the private offer to certain warrantholders announced on December 31, 2007.

In said private offer, the Company offered to a limited number of its holders of outstanding warrants the opportunity to sell said warrants to the Company at a price equal to $1.05 per warrant. As a result of said private offer, including those announced on December 31, 2007, the Company agreed to redeem 19,910,475 warrants for an aggregate consideration of $20,905,998.75.

As a result of the offer, upon valid delivery of the warrants for redemption, the Company will have 94,798,143 shares, 72,034,536 warrants and 6,020,000 unit purchase options outstanding. The warrants have a strike price of US$5.00 for conversion into Common Shares. The unit purchase options, which were issued at the time of the original listing on AIM in May 2006, have a strike price of US$7.50 and result in the issuance per unit of one Common Share and two warrants that have an exercise price of US$5.00 per share.

Enquiries:

Infinity Bio-Energy

Sergio Thompson-Flores, CEO

+55 11 3525-9921

Rodrigo Aguiar, Investor Relations Officer

+55 11 3525-9922

Collins Stewart Europe Limited (AIM Nominated Adviser)

Adrian Hadden / Adam Cowen

+44 (0) 20 7523 8353