Exhibit 99.12
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statements Nos. 333-170295 and 333-197080 on Form S-8 and in Registration Statements Nos. 333-185723, 333-190801, 333-193876, 333-195184, 333-197185 and 333-203278 on Form F-10 and to the use of our reports dated February 24, 2016 relating to the consolidated financial statements of HudBay Minerals Inc. (the “Company”) and the effectiveness of the Company’s internal control over financial reporting appearing in this Annual Report on Form 40-F of the Company for the year ended December 31, 2015.
/s/ Deloitte LLP
Chartered Professional Accountants
Licensed Public Accountants
Toronto, Canada
March 30, 2016
