ATCU Alta Copper Corp

OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced Alta Copper Corp (TSX: ATCU; OTCQX: ATCUF), a company developing the Cañariaco advanced staged copper project, has qualified to trade on the OTCQX® Best Market. Alta Copper Corp upgraded to OTCQX from the OTCQB® Venture Market.

Alta Copper Corp begins trading today on OTCQX under the symbol “ATCUF.” U.S. investors can find current financial disclosure and Real-Time Level 2 quotes for the company on www.otcmarkets.com.

The OTCQX Market is designed for established, investor-focused U.S. and international companies. To qualify for OTCQX, companies must meet high financial standards, follow best practice corporate governance, and demonstrate compliance with applicable securities laws. Graduating to the OTCQX Market marks an important milestone for companies, enabling them to demonstrate their qualifications and build visibility among U.S. investors.

About Alta Copper CorpAlta Copper Corp. is focused on the development of its 100% owned Cañariaco advanced staged copper project. Cañariaco comprises 97 square kilometers of highly prospective land located 150 kilometers northeast of the City of Chiclayo, Peru, which include the Cañariaco Norte deposit, Cañariaco Sur deposit and Quebrada Verde prospect, all within a 4km NE-SW trend in northern Peru’s prolific mining district. Cañariaco is one of the largest copper deposits in the Americas not held by a major.

About OTC Markets Group Inc.OTC Markets Group Inc. (OTCQX: OTCM) operates regulated markets for trading 12,000 U.S. and international securities. Our data-driven disclosure standards form the foundation of our three public markets: OTCQX® Best Market, OTCQB® Venture Market and Pink® Open Market.

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Media Contact:OTC Markets Group Inc., +1 (212) 896-4428, media@otcmarkets.com