VANCOUVER, BC, July 17, 2006 – Mirasol Resources Ltd. (TSXV:MRZ) is pleased to announce that Dr. A. James Macdonald, Ph.D. has joined Mirasol’s Advisory Board as advisor for the Company’s international exploration programs.

“James Macdonald will add significant depth and perspective to Mirasol’s focus on generative exploration in under explored regions within Latin America and on a broader international scale,” stated Mary Little, President.

Dr. Macdonald was born in the United Kingdom and educated at Oxford (BA) and Toronto, where he completed MSc research on the Fresnillo silver-zinc-lead mine in Zacatecas, Mexico and a doctoral thesis on the Boss Mountain porphyry molybdenum mine in British Columbia, Canada. He worked for the Ontario Geological Survey as a mineral deposits geologist, and managed a four-year research project (Metallogenesis of the Iskut River area) for the Mineral Deposit Research Unit at the University of British Columbia. Dr, Macdonald has held exploration and mining company positions based in North and South America, Europe and most recently, Australia.

In Toronto, Dr. Macdonald was Chief Geologist and subsequently Planning Manager for AGIP Resources, focusing on exploration for epithermal gold deposits in Canada and Europe before managing Andean gold exploration for Homestake Mining Company from 1994 to1998, based in Santiago, Chile. In 1998, he joined Billiton International Metals as Chief Geoscientist. Based in the Netherlands, he worked on global on exploration strategy and provided technical expertise to teams exploring for a range of deposit types including porphyry copper, sediment-hosted copper, lateritic nickel, iron oxide-copper-gold, sedimentary exhalative and VMS base metal deposits. Following Billiton’s merger with BHP in 2001, Dr. Macdonald relocated to Brisbane, Australia, where he continued to work in a similar capacity as Global Geoscience Leader, with a focus on strategy and exploration for diamonds, “Broken Hill”-type silver-zinc, lateritic nickel and copper. Since late 2005, he has consulted to the exploration and mining industries from Brisbane, Australia.

Mirasol announces that 50,000 stock options have been granted to Dr. Macdonald. The options are exercisable at $0.65 for a term of three years in accordance with the company’s plan.

Mirasol Resources Ltd. is a minerals exploration company focused on discovery and acquisition of new, high-potential precious metals deposits in the Americas, capitalizing on the cumulative local experience of Mirasol’s exploration team, and utilizing state-of-the art remote sensing technology and targeting expertise. Mirasol currently holds 100% of the rights of five exploration projects totaling more than 100,000 hectares in Santa Cruz Province in the Patagonia region of southern Argentina.

For further information, contact:

Mary L. Little, President & CEO
Tel: (604) 602-9989: Fax: (604) 688-8852
Email: contact@mirasolresources.com
Website: www.mirasolresources.com

Investor Relations:
Bruce Korhonen, Ascenta Capital Partners Inc.
Phone: (604)684-4743 ext. 30
Toll free: 1-866-684-4743 ext. 230
Email: bruce@ascentacapital.com

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.