UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: April 22, 2014 5:30 P.M.
Form: F-10
CIK: 0001322422
Company Name: HudBay Minerals Inc.
File Number: 333-195184
CIK: 0001322421
Company Name: Hudson Bay Mining & Smelting Co., LTD
File Number: 333-195184-03
CIK: 0001324043
Company Name: Hudson Bay Exploration & Development CO LTD
File Number: 333-195184-02
CIK: 0001563753
Company Name: HudBay Marketing & Sales Inc.
File Number: 333-195184-01