Inmet and Petaquilla Announce Commercial Agreement

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Toronto, ON and Vancouver, BC - February 25, 2013: Inmet Mining Corporation ("Inmet") and its wholly owned subsidiary, Minera Panama S.A. ("MPSA"), and Petaquilla Minerals Ltd. with certain of its wholly owned subsidiaries (collectively, "Petaquilla") are pleased to announce the signing of a binding term sheet outlining the agreement of the companies relating to aggregate procurement, land access and use, settlement of certain claims, waiver of royalties to be received by Inmet, and camp site procurement for the mutual benefit of MPSA's and Petaquilla's mining operations in the District of Donoso, Panama.

The agreements reflected in the term sheet will be incorporated into a definitive agreement to be executed by the parties. The total value of the arrangements agreed to by the parties is up to US$150 million. Inmet will guarantee the obligations of MPSA under the term sheet and the definitive agreement to be executed between the parties.

The main commercial terms are as follows:



The term sheet reflects both companies' commitment to "promote the sustainable development of the Donoso mining district in accordance with the highest national and international social and environmental norms," said Petaquilla President Rodrigo Esquivel. Steve Botts, CEO and President of MPSA, commented, "I am very pleased we have reached this agreement, which represents a new chapter of collaboration between our companies and signals the continued development of a model mining industry in Panama."

Petaquilla and Inmet, former joint venture partners, have successfully negotiated other arrangements in the past, namely the 2005 Molejon Gold Project Agreement, which led to Petaquilla's gold mining operations at its Molejon gold deposit.


About Inmet - Inmet is a Canadian-based global mining company that produces copper and zinc. We have three wholly-owned mining operations: Çayeli (Turkey), Las Cruces(Spain) and Pyhäsalmi (Finland). We have an 80 percent interest in Cobre Panama, a development property in Panama, currently in construction.

About Petaquilla Minerals Ltd. - Petaquilla is a growing, diversified gold producer committed to maximizing shareholder value through a strategy of efficient production, targeted exploration and select acquisitions. The Company operates a surface gold processing plant at its Molejon Gold Project, located in the south central area of Panama and has exploration operations at its wholly-owned Lomero-Poyatos project located in the northeast part of the Spanish/Portuguese (Iberian) Pyrite Belt and several other exploration licenses in Iberia.


Inmet Mining Corporation

Flora Wood
Director, Investor Relations

Phone: +1 416 361 4808
www.inmetmining.com

On behalf of the Board of Directors of
PETAQUILLA MINERALS LTD.

Nicolas Ricciardi

Vice President, Investor Relations

FOR FURTHER INFORMATION PLEASE CONTACT:

Petaquilla Minerals Ltd.
Phone: (604) 694-0021 Fax: (604) 694-0063
Toll free: 1-877-694-0021
www.petaquilla.com

NO STOCK EXCHANGE HAS APPROVED OR DISAPPROVED
THE INFORMATION CONTAINED HEREIN.







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