Exhibit 4.1


 




	
  

  	
  Schedule “A”
  Industry Industrie Canada Canada Certificate of Amendment Certificat de
  modification Canada Business Corporations Act Loi canadienne sur les sociétés
  par actions HudBay Minerals Inc. Corporate name / Dénomination sociale
  793676-1 Corporation number / Numéro de société I HEREBY CERTIFY that the
  articles of the above-named corporation are amended under section 178 of the
  Canada Business Corporations Act as set out in the attached articles of
  amendment. JE CERTIFIE quc les statuts de la société susmentionnée sont modifiés aux
  termes de Particle 178 de la Loi canadienne sur les sociétés par actions, tel
  qu'il est indiqué dans les clauses modificatrices ci-jointes. Virginie Ethier Director / Directeur 2014-05-08 Date of
  Amendment (YYYY-MM-DD) Date de modification (AAAA-MM-JJ)

  






 















	
  

  	
  Industry
  Industrie Canada Canada Form 4 Articles of Amendment Canada Business
  Corporations Act (CBCA) (s. 27 or 177) Formulaire 4 Clauses modificatrices
  Loi canactienne sur les sociétés par actions (LCSA) (art. 27 ou 177) 1
  Corporate name Dénomination sociale HudBay Minerals Inc. 2 Corporation number
  Numéro de la société 793676-1 3 The articles are amended as follows Les
  statuts sont modifiés de la façon suivante The corporation changes the
  minimum and/or maximum number of directors to: Les nombres minimal et/ou
  maximal d’administrateurs sont modifiés pour : Min. 6 Max. 13 4 Declaration:
  I certify that I am a director or an officer of the corporation. Déclaration : J’atteste que je suis un
  administrateur ou un dirigeant de la société. Original signed by / Original signé par Cheryl L. Fiebelkorn
  Cheryl L. Fiebelkorn 204-949-4269 Misrepresentation constitutes an offence
  and, on summary conviction, a person is liable to a fine not exceeding $5000
  or to imprisonment for a term not exceeding six months or both (subsection
  250(1) of the CBCA). Faire une fausse déclaration constitute une infraction
  et son nuteur, sur déclaration de culpabilité par procédure sommaire, est
  possible d’une amende maximale de 5 000 $ et d’un emprisonnement maximal de
  six mois, oul’une de ces peines (paragraph 250(1) de la LCSA). You are
  providing information required by the CBCA. Note that both the CBCA and the
  Privacy Act allow this information to be disclosed to the public. it will be
  stored in personal information bank number IC/PPU-049. Vous fournissez des renseignements
  exigés par la LCSA. II est à noter que la LCSA et la Loi sur les
  renselgnements personnels permettent que de tels renseignements soient
  divulgués nu public. IIs seront stockés dans la banque de renseignements
  personnels numéro IC/PPU-049.

  






 


 












 




	
  

  	
  1.+50 Industry industrie  gl; Canada Canada Certificate of Amalgamation Certificat de fusion
  Canada Business Corporations Act Loi  canadienne  sur les sociétés par actions HudBay  Minerais Inc. Corporate naine /
  Dénomination  sociale
  793676-1 number / Numéro do societc
  I HEREBY CERTIFY that the above-named corporation resulted from an
  amalgamation, under section 185 of the Canada Business Corporations Act, of
  the corporations set out in the attached articles of amalgamation. JE CERTIFIE  que la société  susmentionnée  est issue d'une fusion, en vertu de l'article 185 de la Loi  canadienne  sur les sociétés par actions,
  des sociétés  dont les dénominations  apparaissent  dans les statuts de fusion ci-joints. Marcie Girouard
  Director / Directeur 2011-08-15 Date of Amalgamation
  (YYYY-MM-DD) Date de fusion (AAAA-MM-JJ)
  Canada 

  






 















	
  

  	
  Industry Canada
  Industrie Canada FORM 9 ARTICLES OF AMALGAMATION
  (SECTION 185) FORMULE 9 STATUTS
  DE FUSION (ARTICLE 185) Canada Business Loi  canadienne  sur les Corporations
  Act sociétés par actions 1 -- AIR Name of the
  Amalgamated Corporation Franco-Nevada Corporation Dénomination
  sociale de la société
  issue de la fusion 2 -- The province or territory in Canada where the
  registered office is to be situated Ontario La province ou
  Ie  territoire au Canada où se situera  Ie  siège social 3 -- The
  classes and any maximum number of shares that the corporation is authorized
  to issue The attached Schedule B forms a part hereof. Catégories
  et tout  nombre maximal d'actions  que la société  est  autorisée
  à émetlre 4 -- Restrictions, if any, on share
  transfers There are no restrictions on the transfer of shares. Restrictions sur  Ie  transfert
  des actions, s'il  ya lieu
  5 -- Number (or minimum and maximum number) of directors Minimum: 1, Maximum:
  20 Nombre (ou  nombre minimal et maximal) d'administrateurs
  6 -- Restrictions, if any, on business the corporation may carry on Limites  imposées à I'activité  commerciale de la société, s'i1 y a lieu There are no restrictions on the
  business the Corporation may carry on or on the powers the Corporation may
  exercise. 7 -- Other provisions, if any The attached Schedule 2 forms a part
  hereof. Autres dispositions, s'il
  y a lieu 8 -- The amalgamation has been approved pursuant to that section or
  subsection of the Act which is indicated as follows: La fusion a été  approuvée en accord avec I'article au Ie  paragraphe de la Loi  indiqué  ci-après D 183 (l
  184(1) D 184(2) 9 -- Name of the amalgamating corporations Dénomination  socia  Ie des soclétés  fusionnantes Corporation No. N° de la société
  Date Title Titre  TeL. No.
  N' de tél. Franco-Nevada Corporation 6857787 20;07
  Corporate Secreta Corporate 20;07 Secretary
  416-480-6480 Franco-Nevada Canada Corporation 6884776- 416-480-6480 FOR
  DEPARTMENTAL USE ONLY - À L'USAGE DU MINISTÈRE  SEULEMENT IC 3190
  (2007106)

  






 















	
  

  	
  Schedule A to Articles
  of Amalgamation The Corporation is authorized to issue an unlimited number of
  preference shares, issuable in series, and an unlimited number of common
  shares. The rights, privileges, restrictions and conditions attaching to each
  class of shares is as follows: Preference Shares The preference shares as a
  class shall have attached thereto the following rights, restrictions;
  limitations and prohibitions: I. The preference shares may from time to time
  be issued in one or more series and subject to the following provisions, and
  subject to the sending of articles of amendment in prescribed form, and the
  endorsement thereon of a certificate of amendment in respect thereof, the
  directors may fix from time to time before such issue the number of shares
  that is to comprise each series and the designation, rights, privileges,
  restrictions and conditions attaching to each series of preference shares
  including, without limiting the generality of the foregoing, the rate or
  amount of dividends or the method of calculating dividends, the dates of
  payment thereof, the redemption, purchase and/or conversion prices and terms
  and conditions of redemption, purchase and/or conversion, and any sinking
  fund or other provisions. II. The preference shares of each series shall,
  with respect to the payment. of dividends and the distribution of assets or
  return of capital in the event of liquidation, dissolution or winding up of
  the Corporation, whether voluntary or involuntary, or any other return of
  capital or distribution of the assets of the Corporation among its
  shareholders for the purpose of winding up its affairs, rank on a parity with
  the preference shares of every other series and be entitled to preference
  over the common shares and over any other shares of the Corporation ranking
  junior to the preference shares. The preference shares of any series may also
  be given such other preferences, not inconsistent with these articles, over
  the common shares and any other shares of the Corporation ranking junior to
  the preference shares as may be fixed in accordance with clause (i) herein. III. If any cumulative dividends or amounts
  payable on the return of capital in respect of a series of preference shares
  are not paid in full, all series of preference shares shall participate rateably in respect of such dividends and return of
  capital. iv. The preference shares of any series may be made convertible into
  common shares at such rate and upon such basis as the directors in their
  discretion may determine. v. Unless the directors otherwise determine in the
  articles of amendment designating a series, no holder of preference shares
  shall be entitled to receive notice of, attend, be represented at or vote in
  respect thereof at any annual or special meeting of the Corporation unless
  the meeting is convened for considering the winding up of the Corporation,
  the amalgamation of the Corporation with another corporation or 

  






 















	
  

  	
  corporations or
  to sanction the sale of all or substantially all of its assets or undertaking
  or other events specified in the Canada Business Corporations Act (the
  "Act"), in any of which events each holder of preference shares
  shall have one (I) vote for each such share held. vi. The holders of
  preference shares shall not be entitled to vote separately as a class or
  series upon a proposal, and shall not be entitled to dissent pursuant to
  Section 190(2) of the Act (or any other statutory provision of like or
  similar effect from time to time in force) in respect to a resolution to
  amend the articles of the Corporation to: a. increase or decrease any maximum
  number of authorized preference shares or any series thereof, or increase any
  maximum number of authorized shares of a class or series having rights or
  privileges equal or superior to the preference shares or any series thereof, b.
  effect an exchange, reclassification or cancellation of the preference shares
  or any series thereof; or c. create a new class or series of shares equal or
  superior to the preference shares or any series thereof; provided that the
  holders of preference shares shrill be entitled to receive notice of meetings
  of common shareholders called for the purpose of authorizing the amendment to
  the articles of the Corporation of the nature referred to above, Common
  Shares The common shares shall be entitled to vote at all meetings of the
  shareholders, each common share carrying one vote and, subject to the rights,
  privileges, restrictions and conditions attaching to any other class of
  shares, to receive the remaining property of the Corporation upon dissolution.
  

  






 















	
  

  	
  Schedule B to
  Articles of Amalgamation Without in any way restricting the powers conferred
  upon the Corporation or its board of directors by the Canada Business
  Corporations Act, as now enacted or as the same may from time to time be
  amended, re-enacted or replaced (the "Act"), the board of directors
  may from time to time, without authorization of the shareholders, in such
  amounts and on such terms as it deems expedient: a) borrow money upon the
  credit of the Corporation; b) issue, re-issue, sell or pledge debt
  obligations of the Corporation; c) subject to the provisions of the Act, give
  a guarantee on behalf of the Corporation to seoure
  performance of an obligation of any person; and d) mortgage, hypothecate,
  pledge or otherwise create a security interest in all or any property of the
  Corporation owned or subsequently acquired, to secure any obligations of the
  Corporation. The board of directors may from time to time delegate to a
  director, a Committee of directors or an officer of the Corporation any or
  all of the powers conferred on the board as set out above, to such extent and
  in such manner as the board shall determine at the time of such delegation.
  Between annual and general meetings of the Corporation, the directors of the
  Corporation may appoint one or more additional directors to serve until the
  next annual and general meeting but the number of additional directors shall
  not at any time exceed one-third of the number of directors who held office
  at the expiration of the last annual and general meeting.