Luis R Castro Valdez

Luis Castro is a Mexican geological engineer with 25 years of experience in the mineral exploration and mining sector. He has been involved in numerous new mineral discoveries in Mexico. From 1990 to 1998 he worked as a geological engineer, project manager, and department head of the mining

and energy areas of the Mexican government, including the Mexican Geological Survey (SGM) and National commission of Saving Energy (CONAE). From 1998 to 2003 he worked as an exploration manager for several private Mexican mining companies including Minera Zocalo and Minera Fuerte Mayo, and conducted mine exploration and planning for Minera Real de Panuco. Mr. Castro joined Endeavour as a Project Geologist in 2004 and was promoted to Exploration Manager in 2008. He has been directly involved in guiding Endeavour's exploration programs since that time, including all of the Company's numerous new mineral discoveries in the districts of Guanacevi and Guanajuato. Mr. Castro assumed the role of Vice President, Exploration in 2012.