Executive Office
87 Front Street East
2nd Floor
Toronto, Ontario
M5E 1B8

Tel: (416) 366-2428
Fax: (416) 366-8131

Investor Relations
Mark Butler
ECU Silver Mining Inc.
Tel: (416) 366-2428
Toll Free: 1 888 513-3444

Head Office
1116 Granada avenue
Rouyn-Noranda
Québec, Canada
J9Y 1G9
Att: Francine Thériault

Tel : (819) 797-1210
Fax : (819) 797-1214

Mexican Operations Office
Minera William, SA de CV
Rio Tamesis 2505
Col. Las Magdalenas
27010 Torreõn Coah.

Tel: 011 (52) 871-747-5750
Fax: 011 (52) 871-718-5025