Petrobras (PBR)

Increased Shareholding Stake

“Pursuant to the Article 12, of heading, of CVM Instruction 358 of January 3 2002, Alliance Capital Management L.P., a corporation organized and existing under the laws of the state of Delaware, United States of America, with registered offices at Avenue of the Americas, 1,345, in the city of New York, state of New York, United States of America ("ACMLP"), in its capacity as administrator of funds and/or of investments for discretionary clients abroad under its administration, hereby communicates that funds and/or of investments for discretionary clients abroad under its administration - by means of transactions carried out through stock markets – have acquired, directly or via American Depositary Receipts - ADRs, 23,859,771 (twenty-three million, eight hundred and fifty-nine thousand, seven hundred and seventy-one) preferred shares issued by Petróleo Brasileiro S.A. - Petrobras ("Company"), corresponding to 5.16% of the Company’s total preferred shares. This stake represents a minority investment that does not alter the Company’s ownership or administrative structure. Presently, there are no other shares that ACMLP is aiming to acquire. No affiliate or subsidiary of ACMLP holds securities issued by the Company. Moreover, there are no stock convertible debentures retained, either directly or indirectly, by ACMLP or any other party related to it, nor any agreement or contract governing the exercise of voting rights or the purchase and sale of securities issued by the Company to which ACMLP or any party related to it is a party.”

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