3R Petroleum Change on Equity Interest

3R PETROLEUM ÓLEO E GÁS S.A. (“3R” or “Company”), in compliance with provisions of article 12 of CVM Resolution No. 44, communicates to its shareholders, investors and the market in general that received, on this date, notification from Starboard Asset LTDA. (“Starboard” or “Manager”), manager of 3R Petroleum Fundo de Investimento em Participações Multiestratégia (“FIP 3R”), informing about the sale of 22,787,130 common shares issued by the Company (“Transaction”), equivalent to approximately 11.25% of the Company’s capital stock.

Additionally, the Manager clarifies in its notification that: i) the Transaction had an exclusively financial purpose, without changing the Company’ corporate structure or management; and ii) the other investment funds managed by Starboard, long-term shareholders from the Company, did not sell their interests in the Transaction, with certain shareholders acting as purchasers of part of the shares sold by FIP 3R.

3R makes available, as an annex to this communication, the notification received in its entirety and reinforces its commitment to keep its investors and the market in general duly informed, in line with the best corporate governance practices and in strict compliance with current legislation.