Petro Rio S.A. ADR fka HRPTY

[Pennybuster]

NEWS RELEASE

ACQUISITION OF MATERIAL EQUITY INTEREST

Rio de Janeiro, April 24, 2014 - HRT Participações em Petróleo S.A. (the "Company" or "HRT") (BM&FBOVESPA: HRTP3, TSX-V: HRP), pursuant to Article 12 of CVM Instruction 358/02, announces that, on April 23, 2014, it received a letter from Goldman Sachs & Co. ("Goldman Sachs") notifying that, on April 14, 2014, Goldman Sachs International ("GSI"), a wholly-owned subsidiary of The Goldman Sachs Group, Inc. acquired 8,899,900 common shares issued by HRT, bringing its total ownership to 14,894,563 shares, equivalent to 5.01% of the total capital stock of the Company.

The 14,894,563 common shares held by GSI consist of: (i) 14,865,628 common shares and (ii) 57,871 Global Depositary Receipts, each of which represents 0.5 of a common share.