AN Arena Minerals Inc

Antofagasta Announces Name Change to Arena Minerals

TORONTO, ONTARIO--(Marketwired - Dec 5, 2013) - Antofagasta Gold. ("AN" or the "Company") (TSX-VENTURE:AN) has changed the name of the company to Arena Minerals Inc. to better reflect the current activities of the Company as developing high quality assets in the heart of Chile's premier copper mining district.

Shareholders approved the name change at the annual and special meeting of the Company held on November 21, 2013.

Effective at the opening of the market on December 6, 2013, the common shares of the Company will trade on the TSX Venture Exchange under the name Arena Minerals Inc. The ticker symbol of the Company remains unchanged as is "AN".

About Arena Minerals

Currently Arena Minerals has three properties under option covering approximately 326,000 hectares. All the properties are within the Antofagasta region of Chile, at low altitudes and within producing mining camps. The Company recently announced the closing of the Atacama Copper Property agreement, consisting of 293,000 hectares of undrilled ground in the heart of Chile's premier copper mining district. The Atacama Copper Property is adjacent to the Capricornio Property, forming part of a contiguous land package that can be worked in conjunction. In addition, the Company also has the Pampas El Peñon project which is under 1 km from El Peñon. The Pampas El Peñon and Capricornio properties comprise the Company's highly prospective gold properties within an active mining region.

The technical and scientific aspects of this news release have been reviewed and approved by Mr. Vernon Arseneau, P.Geo, who has been designated as a qualified person pursuant to NI 43-101. As the Vice President of Exploration of the Company, Mr. Arseneau is not considered independent.

On behalf of the Board of Directors of

Arena Minerals Inc.

William Randall, President, and CEO

Cautionary Note Regarding Accuracy and Forward-Looking Information:

This news release may contain forward-looking information within the meaning of applicable Canadian securities legislation. Forward-looking information includes, but is not limited to, statements, projections and estimates relating to the future development of any of the Company's properties, future financial or operating performance of the Company, its subsidiaries and its projects, the development of and the anticipated timing with respect to the Capricornio project, the El Penon project and the Attacama project, and the Company's ability to obtain financing. Generally, forward-looking information can be identified by the use of forward-looking terminology such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved". The statements made herein are based on current expectations and assumptions that are subject to risks and uncertainties. Actual results could differ materially because of factors discussed in the management discussion and analysis section of the Company's interim and most recent annual financial statement or other reports and filings with the TSX Venture Exchange and applicable Canadian securities regulations. Estimates underlying the results set out in this news release arise from work conducted by the previous owners and the Company. Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of the Company to be materially different from those expressed or implied by such forward-looking information, including but not limited to: general business, economic, competitive, geopolitical and social uncertainties; the actual results of current exploration activities; other risks of the mining industry and the risks described in the annual information form of the Company. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward looking information. The Antofagasta does not undertake to update any forward-looking information, except in accordance with applicable securities laws.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Arena Minerals Inc.William Randall(416) 309-2697www.arenaminerals.com