Vancouver, British Columbia – July18, 2011. Colibri Resource Corporation (“Colibri” or the “Company”) (TSX.V-CBI) is pleased to announce the appointment of Dr. Paul J. Bartos as Director. Dr. Bartos is a noted authority on epithermal deposits and currently is the Vice President/ Chief Geologist of Esperanza Resources Corp. where he was instrumental in the discovery of the San Luis bonanza vein deposit. This deposit, which was recently sold to Silver Standard Resources, has proven and probable reserves of 503,313 tonnes averaging 17.95 g/t Au, 446.14 g/t Ag (290,484 ounces gold, 7,219,435 ounces silver). San Luis represents one of the highest grade precious metal deposits found in recent years. Prior to this, Dr. Bartos was with ASARCO Inc., with his most recent position as Latin American Exploration and Business Development Manager. Among other accomplishments, he was responsible for the discovery and development of the San Bartolome silver deposit in Bolivia. This deposit, containing an estimated 107 million ounces of proven and probable silver reserves, is currently in production by Coeur d’Alene Mines Corp., and is now one of the world’s largest pure silver mines.