March 29, 2012 — Vancouver, B.C. — Arco Resources Corp. (TSX-V: ARR) (“Arco” or the “Company”) announces that based on the recommendation of the board of directors of Argentum Silver Corp. (TSX-V: ASL), the optionee of Arco’s Lachiguiri, Silacayoapan and Nino Perdido properties located in Oaxaca, Mexico, Arco filed with the General Direction of Mines in Mexico to reduce the size of the Silacayoapan claim from 20,788 hectares to 3,475 hectares. Further, Arco’s land team determined that it will not renew the claims comprising the Nino Perdido property after discussions regarding Argentum’s decision to drop the claims from the option agreement between Arco and Argentum.

About Arco Resources
Arco holds a 100% interest in seven mineral claim blocks, all located in the State of Oaxaca, Mexico. The Company is focusing its efforts on its Taviche, Tres Hermanas and La Luna claim blocks, each of which has had historical production of gold and silver. The Companies future exploration plans include its Predilecta and Cuatro Venados properties. The Company has optioned its Lachiguiri, and Silacayoapan properties to Argentum Silver Corp. For further information on the Company please go to www.arcoresources.com. Follow Arco on Facebook.

On behalf of the Board of Directors of Arco Resources Corp.
“Warren McIntyre”
Warren McIntyre
President and Chief Executive Officer
Arco Resources Corp.

For further information:
Ian Tootill, Director of Investor Relations
Phone: 604.639.2866 ext. 110
Email: [email protected]
www.arcoresources.com

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