Jaguar Mining Q1 2010 Earnings Conference Call Details

PRESS RELEASE

May 5, 2010 2010-06 Concord, New Hampshire JAG – TSX/NYSE

Jaguar Mining Q1 2010 Earnings Conference Call Details

NOTICE OF CONFERENCE CALL: Wednesday, May 12 @ 10:00 a.m. EDT

Jaguar Mining Inc. (“Jaguar” or “the Company”) (JAG: TSX/NYSE) will release its Q1 2010 financial and operating results after the market close on May 11, 2010. The Company will hold a conference call the following morning, May 12 at 10:00 a.m. EDT, to discuss the results.

From North America: 800-218-5691 International: 213-416-2192 Replay:

From North America: 800-675-9924 International: 213-416-2185 Replay ID: 51210 Webcast: www.jaguarmining.com

About Jaguar

Jaguar is one of the fastest growing gold producers in Brazil with operations in a prolific greenstone belt in the state of Minas Gerais and has plans to develop the Gurupi Project in northern Brazil in the state of Maranhão. Jaguar is actively exploring and developing additional mineral resources at its approximate 575,000-acre land base in Brazil. The Company has no gold hedges in place thereby providing the leverage to gold prices directly to its investors. Additional information is available on the Company’s website at www.jaguarmining.com.

For Information:

Investors and analysts: Media inquiries:

Bob Zwerneman Valéria Rezende DioDato Vice President Corporate Development and Director of Communication Director of Investor Relations 603-224-4800 603-224-4800 [email protected] [email protected]

125 North State Street • Concord, NH 03301 • Phone: (603) 224-4800 • Fax: (603) 228-8045 • [email protected] • www.jaguarmining.com