EXHIBIT10
(viii)



AMENDMENT
 TO THE SHARE EXCHANGE AGREEMENT



THIS
 AMENDMENT TO THE SHARE EXCHANGE AGREEMENT (thisAmendment)
 is entered into as ofDecember 10, 2009, byand
 between Montana Mining Corp. (theCompany)
 which is a corporation incorporated pursuant to the laws
 of the State of Nevada, Produced Water Solutions, Inc. (PWS)
 which is aprivate company
 incorporated pursuant to the laws of the Province of Alberta, and
 theshareholders of PWS(theShareholders),
 all of the above parties herein collectively referred to as the Parties
 or singularly as a Party.

WITNESSETH:
 WHEREAS, the Company, PWS, and the Shareholders entered
 intoa Share Exchange Agreement
 on November 20, 2008, as amended on February 2, 2009, July 10, 2009 and July 22, 2009(theAgreement),
 whereby the Company intends
 to acquire all of the outstanding shares ofPWS from the
 Shareholdersin exchange foran agreed upon number of
 shares of the Companys
 common stock, whereby PWS
 will become a wholly-owned
 subsidiary of the Company; and

WHEREAS,
 in order to accommodate certain issues pertaining to the Agreement and the Assignment Agreement
 dated August 26, 2009 to Dobhai Ventures, Inc., the Parties desire tofurtheramend
 the Agreement to extend the date for the closing of the Agreement; and

WHEREAS, pursuant
 to Article VIII Section 1. of the Agreement titled Miscellaneous subtitled
 Amendment and Modification; Waiver the Parties hereto are permitted to amend the terms of the Agreement pursuant to a
 written instrument signed by all Parties; and

NOW,
 THEREFORE, in consideration of the foregoing recitals
 and subject to the terms and conditions herein contained, the Parties
 hereto agree as follows:

1.Amendment. The
 Partieshereto agree to amend the Agreement as follows:

The
 Parties hereby agree toamend Article IISection2.5
 titledExchange of Shares
 subtitledClosing
 in its entirety as follows:

2.5Closing.
 The closing of the transaction contemplated hereby shall take place on or before
 March 31, 2010 (the Closing), subject to the approval of the Companys
 stockholders and other pre-closing conditions.

2.Conditions
 of Effectiveness. This Amendment shall become effective when the Company has received the
 counterparts of this Amendment, executed and delivered by PWS and the Shareholders.

3.Representations and Warranties of the Company.
 In order to induce PWS and the Shareholders to enter into this Amendment, the Company hereby
 makes the following representations and warranties to PWS and the Shareholders:

3.1.Corporate
 Power and Authorization. The Company has the requisite corporate power and authority to
execute, deliver and perform its obligations under this Amendment.



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3.2.No
 Conflict. Neither the execution anddelivery by the
 Company of thisAmendment nor the consummation of the transactions contemplated or required
 hereby nor compliance by the Company with the terms, conditions and provisions hereof will conflict with or result in a breach of any
 of the terms, conditions or provisions of the certificate of incorporation or bylaws of the Company or any law, regulation, order,
 writ, injunction or decree of any court or governmental instrumentality or any agreement or instrument to which the Company is a
 party or by which any of its properties is bound, or constitute a default thereunder or result in the creation or imposition of any
 lien.

3.3.Authorization;
 Governmental Approvals. The execution and delivery by the Company of this Amendment and the
 consummation of the transactions contemplated hereby (i) have been duly authorized by all necessary corporate action on the part of
 the Company and (ii) do not and will not require any authorization, consent, approval or license from or any registration,
 qualification, designation, declaration or filing with, any court or governmental department, commission, board, bureau, agency or
 instrumentality, domestic or foreign.

3.4.Valid
 and Binding Effect. ThisAmendment has been duly and
 validly executed and delivered by the Company and constitutes the legal, valid and binding obligation of the Company, enforceable in
 accordance with its terms.

4.Amendment
 to theAgreement. TheAgreement
 is hereby, and shall henceforth be deemed to be, amended,
 modified and supplemented in accordance with the provisions hereof, and the respective rights, duties and
 obligations under theAgreement shall hereafter be determined,
 exercisedand enforced under the Agreement, subject in
 all respects to such amendments, modifications, and supplements and all terms and conditions of
 thisAmendment.

5.Ratification
 of theAgreement. Except as expressly set
 forth in this Amendment, all agreements, covenants, undertakings, provisions, stipulations, and promises
 contained in theAgreement are hereby ratified, readopted, approved, and confirmed and remain
 in full force and effect.

6.No
 Implied Waiver. The execution, delivery and performance of this Amendment shall not, except
 as expressly provided herein, constitute a waiver or modification of any provision of, or operate as a waiver of any right, power or
 remedy of the Parties under theAgreement,
 or prejudice any right or remedy that the Parties may have or may have in the future under orin
 connection with theAgreement,
 or any instrument or agreement referred to therein. The Parties acknowledge and agree that the
 representations and warranties contained in the Agreement,
 and in this Amendment shall survive the execution and delivery of this Amendment and the
 effectiveness hereof.

7.Multiple
 Counterparts. This Amendment may be executed in several counterparts, each of which will be
 deemed to be an original but all of which will constitute one in the same instrument. However, in enforcing any Party's rights under
 this Amendment it will be necessary to produce only one copy of this Amendment signed by the Party
 to be charged. A signature sent by legible facsimile shall be deemed an original.



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8.Governing Law. This
 Amendment will be construed and enforced in accordance with and governed by the laws of the
 State of Utah, without reference to principles of conflicts of law. Each
 of the Partys consent to the jurisdiction of the federal
 courts whose districts encompass any part of the State of Utah
 in connection with any dispute arising under this Amendment and hereby waives, to the maximum extent
 permitted by law, any objection, including any objection based on forum non conveniens, to the bringing of such proceeding in such jurisdictions.
 Each of the Partys hereby agree that if a Party to this Amendment obtains a judgment
 against it in such a proceeding, the Party which obtained such judgment may enforce same by summary judgment in the courts of any country
 having jurisdiction over the Party against whom such judgment
 was obtained, and each Party hereby waives any defenses available to it under local law and
 agrees to the enforcement of such a judgment. Each Party to this Amendment irrevocably consents to the service of process in any such
 proceeding by the mailing of copies thereof by registered or certified mail, postage prepaid, to such Party at its address
 set forth in theAgreement. Nothing herein shall affect the right of any Party to serve process
 in any other manner permitted by law.

IN
 WITNESS WHEREOF each of the Partys hereto have
 executed this Agreement as of the date first set
 forthabove.

Montana
 Mining Corp.



/s/
 Ruairidh Campbell

By:Ruairidh
 Campbell

Chief
 Executive Officer



Produced
 Water Solutions, Inc.



/s/
 Al Radford

By:Al
 Radford

President



Produced
 Water Solutions, Inc.Shareholders



Canadian
 Prestige Ltd.



/s/
 Al Radford

By: Al
 Radford Owner



Maple
 Leaf Development Corp.



/s/
 Ken Weenink

By:Ken
 WeeninkOwner



/s/
 Brian Gossen

Brian
 Gossen



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