Jaguar Mining Completes Site Improvements at Cascaronal Mine Project

   Jaguar Mining Enterprises, Inc. (PINKSHEETS: JAGR) today announced the completion of road construction and other site improvements at its Cascaronal Mine. In addition, the company announced that dredging has begun at the Port of Manzanillo as part of a Euros 48 million-expansion project.

Dale Williams, President and CEO of Jaguar Mining, commented: "The completion of road construction and other infrastructure upgrades at our Cascaronal site are important achievements as we near production at the mine. The expansion of the Puerto de Manzanillo, one of Mexico's busiest ports, is a major boost for the area's mining industry as it will provide convenient access to the larger vessels used to transport iron ore and other minerals worldwide."

Dale Williams became the President and CEO of Jaguar Mining in March 2009. Mr. Williams is formerly the President of D.E. Contracting, a successful civil construction company he owned and operated for over 28 years in Houston, Texas. In 2006, Mr. Williams transferred his years of experience in the earth moving business to take advantage of opportunities in iron ore mining in Mexico.

About Jaguar Mining Enterprises, Inc.:

Jaguar Mining Enterprises, Inc. is an independent mining company engaged in the acquisition, development, and exploitation of iron ore primarily mined in Mexico. The company specializes in the exploitation of iron ore mines with proven reserves. The company's strategy is to locate, acquire and develop mine locations that contain sufficient quantities of iron ore and require minimal start-up costs. For additional information regarding Jaguar Mining Enterprises please visit:

www.jaguarminingenterprises.com

Safe Harbor:

Statements regarding financial matters in this press release other than historical facts are "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934, and as that term is defined in the Private Securities Litigation Reform Act of 1995. The company intends that such statements about the company's future expectations, including future revenues and earnings, iron ore production and all other forward-looking statements be subject to the Safe Harbors created thereby.

Since these statements (future operational results and sales) involve risks and uncertainties and are subject to change at any time, the company's actual results may differ materially from the expected results.

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Investor Relations Contact: Microcap Management, LLC 2004 A West 120th Avenue Westminster, CO 80234 Phone: [phone] Fax: [phone] Website: www.microcapmanagement.com Company Contact: Dale E. Williams Jaguar Mining Enterprises, Inc. 1860 FM 359, #177 Richmond, TX 77406 Phone: [phone] Fax: [phone] Email: [e-mail] Website: www.jaguarminingenterprises.com