UNDERWRITING AGREEMENTUnderwriting Agreement • September 27th, 2017 • Hudbay Minerals Inc. • Metal mining • Ontario
RBC Dominion Securities Inc. (“RBC”), BMO Nesbitt Burns Inc. (“BMO”) and Scotia Capital Inc. as co-lead underwriters, together with, CIBC World Markets Inc., GMP Securities L.P., TD Securities Inc., National Bank Financial Inc., Barclays Capital Canada Inc., Canaccord Genuity Corp., Cormark Securities Inc., Haywood Securities Inc., Merrill Lynch Canada Inc., Citigroup Global Markets Canada Inc., Eight Capital, Macquarie Capital Markets Canada Ltd., Morgan Stanley Canada Ltd. and Raymond James Ltd. (collectively, the “Underwriters” and each individually an “Underwriter”) hereby severally, and not jointly, nor jointly and severally, in their respective percentages set out in Section 18 below, offer to purchase from Hudbay Minerals Inc. (the “Corporation”) and the Corporation hereby agrees to issue and sell to the Underwriters, 24,000,000 Common Shares (as defined herein) of the Corporation (the “Shares”), on an underwritten basis, at the purchase price of $10.10 per Share (the “Offering
