Addition to the Private Instrument of Purchase and Sale Sample Contracts

ADDITION TO THE PRIVATE INSTRUMENT OF PURCHASE AND SALE AND OTHER AGREEMENTS
Addition to the Private Instrument of Purchase and Sale • June 20th, 2007 • Comanche Clean Energy Corp

(HILTON BARBOSA LIMA, THIAGO BARBOSA LIMA and HBL PARTICIPAÇÕES E EMPREENDIMENTOS LTDA., henceforth designated, together, SHAREHOLDES, individually, SHAREHOLDER)