VANCOUVER, BC –May 21, 2009– Mirasol Resources Ltd. (TSX-V: MRZ; Frankfurt: M8R) announces the grant of 470,000 incentive stock options exercisable at CDN$0.25 per share for a period of five years to certain directors, officers, employees and consultants of the Company, in accordance with the Company’s incentive stock option plan, which is posted on the SEDAR website, www.sedar.com

Mirasol wishes to thank the dedicated management, directors, technical team and consultants who continue to enable Mirasol to identify, discover, explore and create value from the Company’s large project portfolio.

About Mirasol Resources Mirasol Resources Ltd. is an exploration company focused on the discovery and acquisition of high-potential, precious metals deposits in the Americas, utilizing leading edge technology for strategic advantage. Mirasol currently holds 100% of the rights of eight active exploration projects and ten early-stage precious metals prospects in Santa Cruz Province, in the Patagonian region of southern Argentina, identified through the Company’s proprietary exploration . The Company has joint ventured several of its Patagonian projects with strong, well-funded producers. In addition, Mirasol holds 100% interest in the Rubi copper-gold porphyry target, strategically located in the El Salvador copper mining district, northern Chile. The company operates subsidiary companies in Argentina and Chile and is engaged in generative exploration in high-potential regions elsewhere in the Americas. For further information, visit the Company’s web page at www.mirasolresources.com

For further information, contact:

Mary L. Little President and CEO
Tel:(604) 602-9989: Fax:(604) 609-9946
Email: contact@mirasolresources.com
Website: www.mirasolresources.com

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.