Certificate of Completion

City of Toronto

25 York St., 8th Floor, Toronto, Ontario

25 York St., 8th Floor, Toronto, Ontario

22,000 square foot interior renovation for HudBay Minerals Offices

Date substantially performed:

2011-06-17

Date certificate signed:

2011-06-22

Name of Owner

HudBay Minerals Inc.

Address of Owner

25 York St., 8th Floor, Toronto, ON M5J 2V5

Name of Contractor

Greenferd Construction Inc.

Address of Contractor

70 East Beaver Creek Road, #42, Richmond Hill, ON L4B 3B2

Name of Certifier

Taylor Smyth Architects

Address of Certifier

245 Davenport Rd., Unit 300, Toronto, ON M5R 1K1

Parcel B-6, Section A-536-E, Part Block B, Plan 536-E, Toronto, Parts 11, 12 and 13 on Plan 66R-18799