Dolores Mine Has Best Production/Sales Performance 

VANCOUVER, BC - "The positive trend established in the fourth quarter 2010 has continued in the first quarter 2011, with our best ever quarterly production and sales performance from the Dolores Mine thus far," said Mark Bailey, President and Chief Executive Officer of Minefinders Corporation Ltd. "Following two quarters of improving production and sales results, we are focused on ensuring this trend continues and on successfully executing our development and exploration plans for 2011."

First quarter metal production totaled 17,812 ounces of gold and 956,760 ounces of silver. Quarterly production is in line with the Company's 2011 annual production forecast of 65,000 to 70,000 ounces of gold and 3.3 million to 3.5 million ounces of silver. First quarter sales proceeds totaled $52.3 million, on the sale of 16,991 ounces of gold and 883,760 ounces of silver, or 37,698 gold-equivalent ounces. The calculation of operating and total cash costs for the first quarter 2011 has not yet been completed. Production in January totaled 5,275 ounces of gold and 290,011 ounces of silver and production in February totaled 5,062 ounces of gold and 267,728 ounces of silver. Production increased in March with 7,475 ounces of gold and 399,021 ounces of silver produced. The Company plans to provide an updated reserve and resource estimate for the Dolores Mine by the end of April 2011. The company's address is 2288-1177 W Hastings St., Vancouver, BC  V6E 2K3, (604) 687-6263, fax: (604) 687-6267.