MENDOZA, ARGENTINA. April 19, 2012. Argentina Mining is pleased to announce that José Cartellone Construcciones Civiles S.A Group will join our company as Platinum Sponsor at the 9th International Convention on Business Opportunities in Exploration, Geology and Mining, Argentina Mining 2012, which will take place September 4-6, 2012, in Salta Province.

Cartellone is a leader construction company in Argentina, who has 94 years of uninterrupted work with international projection. The shareholding control and the company management - with 100% of Argentine capitals- are in charge of the Cartellone family, third generation of the founder, José Cartellone.

In the last years, the international activity of the Group has experienced a significant development. As from the permanent goals proposed by its directors and by complying with competitiveness requirements of national and international markets, the Group has settled projects in Argentina, Brazil, Bolivia, Costa Rica, Colombia, Chile, Ecuador, El Salvador, Persian Gulf, Honduras, Panamá, Peru and Trinidad and Tobago.

The company has developed projects of hydro-energetic works, electric-transmission lines, aqueducts, irrigation works, roads, bridges, mining development, port and architecture works. The range of works goes from national, public and private undertakings of international significance to projects of construction, operation and maintenance (BOT, by its Spanish acronym) including financial solutions.

“It is an honor for Argentina Mining that Cartellone accompanies us and we would like to thank them for their support. It is pleasant for us to receive the support of the Cartellone Group once again, in this case as Platinum Sponsor of Argentina Mining 2012. We welcome the company and value the effort they make in the country”, said Paola Rojas, President of Argentina Mining, organizing company of the Convention Argentina Mining 2012.

Cartellone joins to the first line companies confirmed as sponsors at the 9th International Convention on Business Opportunities in Exploration, Geology and Mining, Argentina Mining 2012: Silver Standard, MWH and Cartellone (Platinum); AcmeLabs, ALS, Argentex and Votorantim (Gold); Pan American Silver Argentina (Silver); Deloitte and Ausenco Vector (Copper); Energía Mineral, Metallum, InfoMine, PCR and Manpower (Bronze) and Panedile (Business Center Sponsor).

About Argentina Mining:

Argentina Mining is an Events and Marketing firm focused on the Argentinean mining market, with offices in Mendoza and Salta. Its objectives are gathering the mining community in Argentina and providing a place to promote the activity in the world, developing business opportunities for its members. The company organizes the premium international event of the Argentinean mining sector, the Argentina Mining Convention, which takes place biennially in Argentina since 1996, and the Latin Exploration Conference, among others. Additionally, it provides advisory services in public relations and marketing and develops supplementary products. For further information, please visit www.argentinamining.com

About Cartellone:

Their experience and international trajectory have been essential to prepare a solid and outstanding human group, capable of leading different types of infrastructure projects, giving the best technical, economic and financial solutions to their clients. Their works include dykes and hydro-electrical centrals, hydraulic and clean-up works; tunnels, soil movements and mining; road works and bridges. Besides, Cartellone has performed electro-mechanical works and services for port and architecture works. For further information, please visit: www.cartellone.com.ar