Bunker Hill Mining Corp. Sample Contracts

BUNKER HILL MINING CORP. as the Corporation and CAPITAL TRANSFER AGENCY ULC as the Warrant Agent WARRANT INDENTURE Providing for the Issue of Warrants Dated as of March 31, 2022
Warrant Indenture • May 2nd, 2022 • Bunker Hill Mining Corp. • Metal mining • Ontario

CAPITAL TRANSFER AGENCY ULC, a trust company existing under the laws of Canada and authorized to carry on business in all provinces of Canada

STOCK OPTION AGREEMENT
Stock Option Agreement • December 6th, 2010 • Liberty Silver Corp • Metal mining • Nevada

This Stock Option Agreement (the “Agreement”) dated December 6, 2010 between Liberty Silver Corp., a Nevada corporation (the “Company”), with its principal office at 675 Sierra Rose Drive, Suite #112, Reno, Nevada 89511 and W. Thomas Hodgson (“Optionee”).

SPECIAL WARRANT INDENTURE Providing for the Creation and Issue of 51,633,727 Special Warrants BETWEEN BUNKER HILL MINING CORP. and CAPITAL TRANSFER AGENCY ULC Dated as of March 27, 2023
Special Warrant Indenture • March 31st, 2023 • Bunker Hill Mining Corp. • Metal mining • Ontario

CAPITAL TRANSFER AGENCY ULC, a trust company existing under the laws of Canada and authorized to carry on business in all provinces of Canada

EXPLORATION EARN-IN AGREEMENT
Exploration Earn-in Agreement • January 24th, 2013 • Liberty Silver Corp • Metal mining • Nevada

THIS EXPLORATION EARN-IN AGREEMENT (the “Agreement”) is made and entered into as of March 29, 2010 (the “Effective Date”), by and between AuEx, Inc. (“AuEx”), a Nevada corporation, whose address is 940 Matley Lane, Suite 17, Reno, Nevada 89502, and Liberty Silver Corp. (LBSV), a Nevada corporation, whose address for purposes hereof is 3960 Howard Hughes Parkway, Suite 500, Las Vegas, Nevada 89161.

AGENCY AGREEMENT
Agency Agreement • February 8th, 2023 • Bunker Hill Mining Corp. • Metal mining

The undersigned, Echelon Wealth Partners Inc. (“Echelon”) and Roth Capital Partners, LLC (“Roth” and together with Echelon, the “Lead Agents”), as co-lead agents and co-bookrunners, and Laurentian Bank Securities Inc. (“Laurentian” and together with the Lead Agents, the “Agents”) understand that Bunker Hill Mining Corp. (the “Corporation”) proposes to issue a minimum (the “Minimum Offering”) of ♦ shares of common stock of the Corporation (the “Initial Shares”) and up to a maximum (the “Maximum Offering”) of ♦ Initial Shares at a price of $♦ per Initial Share (the “Purchase Price”) for aggregate gross proceeds of approximately $6,500,000 in the case of the Minimum Offering and up to approximately $11,000,000 in the case of the Maximum Offering, pursuant to the terms of this agency agreement (this “Agreement”).

SECOND AMENDMENT TO royalty agreement
Royalty Agreement • June 27th, 2025 • Bunker Hill Mining Corp. • Metal mining • Idaho

THIS SECOND AMENDMENT TO ROYALTY AGREEMENT dated as of June 5, 2025 (this “Amendment”) is made with respect to that certain Royalty Agreement dated June 23, 2023 and recorded on June 23, 2023 as Shoshone County, Idaho Instrument No. 518407, incorporated herein by reference (the “Original Royalty Agreement”), as amended by that certain First Amendment to Royalty Agreement dated December 12, 2024 and recorded on December 16, 2024 as Shoshone County, Idaho Instrument No. 523758, incorporated herein by reference (the “First Amendment” and the Original Royalty Agreement, as amended by the First Amendment is the “Royalty Agreement”) between [Redacted – Affiliate of Sprott Private Resource Streaming & Royalty Corp.], a limited partnership formed and existing under the laws of Delaware, as grantee and royalty holder, whose address is 300 Delaware Avenue, Suite 270, Wilmington, New Castle County, Delaware, SILVER VALLEY METALS CORP., a corporation incorporated under the laws of Idaho, as granto

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AND THE UNITED STATES DEPARTMENT OF JUSTICE
Settlement Agreement • May 21st, 2018 • Bunker Hill Mining Corp. • Metal mining
Contract
Subscription Agreement • January 24th, 2013 • Liberty Silver Corp • Metal mining • Ontario

TO SUBSCRIBE, EACH SUBSCRIBER MUST RETURN THE FOLLOWING (as applicable to the Subscriber): a. Duly completed and executed Subscription Agreement (complete cover page); b. Terms and Conditions of Subscription for Subscription Receipts of Liberty Silver Corp.; c. Duly completed and executed Schedule “B” – Exemption Form; d. Duly completed and executed Schedule “C” – Accredited Investor Certificate, if applicable; e. Duly completed and executed Schedule “D” – Certificate of U.S. Accredited Investor, if applicable; f. Duly completed and executed Schedule “E” – Additional, Representations, Warranties and Covenants of Subscriber Resident Outside of Canada and the United States, if applicable; and g. Subscription Funds by certified cheque, bank draft, money order or wire transfer (see Schedule “F” for instructions).

ESCROW AGREEMENT
Escrow Agreement • February 9th, 2023 • Bunker Hill Mining Corp. • Metal mining

This Agreement is made this ____ day of _________, 2023, by and between, Roth Capital Partners, LLC (“Roth”) as agent for a best efforts public offering (the “Bunker Hill Offering”), and California Bank & Trust (“Escrow Holder”) for the account of Bunker Hill Mining Corp. (“Bunker Hill”) in connection with the Bunker Hill Offering with regard to the following matters.

BUNKER HILL MINING CORP. as the Corporation and COMPUTERSHARE TRUST COMPANY OF CANADA as the Warrant Agent WARRANT INDENTURE Providing for the Issue of Warrants Dated as of June 5, 2025
Warrant Indenture • June 27th, 2025 • Bunker Hill Mining Corp. • Metal mining • British Columbia

BUNKER HILL MINING CORP., a corporation incorporated under the laws of the State of Nevada, United States of America (the “Corporation”),

Bunker Hill Mining Lease with Option to Purchase
Mining Lease With Option to Purchase • August 23rd, 2017 • Liberty Silver Corp • Metal mining

THIS MINING LEASE (the “lease”), effective as of the 1st day of November, 2017 (the “Effective Date"), regardless of the actual times of signing and acknowledgment, between Placer Mining Corporation, a Nevada corporation, hereinafter called Lessor or Seller, and Liberty Silver Corp. a Nevada Corporation, hereinafter called Lessee or Purchaser.

Purchase Agreement Hi Ho Silver Mining Claims
Purchase Agreement • January 24th, 2013 • Liberty Silver Corp • Metal mining • Nevada

This Purchase Agreement Hi Ho Silver Mining Claims ("Agreement") is made and entered into by and among Primus Resources, L.C., a Wyoming limited liability company, and James A. Freeman (collectively “Seller”), and Liberty Silver Corp., a Nevada corporation (“Buyer”).

DATED 9 AUGUST 2018 AMENDED AND RESTATED CONVERTIBLE LOAN AGREEMENT
Convertible Loan Agreement • September 4th, 2018 • Bunker Hill Mining Corp. • Metal mining • England and Wales
First AMENDMENT TO royalty agreement NO. 2
Royalty Agreement • August 5th, 2025 • Bunker Hill Mining Corp. • Metal mining • Idaho

THIS FIRST AMENDMENT TO ROYALTY AGREEMENT NO. 2 dated as of June 5, 2025 (this “Amendment”) is made with respect to that certain Additional Royalty Agreement dated December 12, 2024 and recorded on December 16, 2024 as Shoshone County, Idaho Instrument No. 523759, incorporated herein by reference (the “Royalty Agreement”) between [***], a limited partnership formed and existing under the laws of Delaware, as grantee and royalty holder, whose address is 300 Delaware Avenue, Suite 270, Wilmington, New Castle County, Delaware, SILVER VALLEY METALS CORP., a corporation incorporated under the laws of Idaho, as grantor, whose address is 1 Mine Road., Kellogg, Idaho 83837, and BUNKER HILL MINING CORP., a corporation incorporated under the laws of Nevada, as parent and guarantor, whose address is 300-1055 West Hastings Street, Vancouver, British Columbia V6E 2E9. Capitalized terms used, but not otherwise defined herein, shall have the meaning set forth in the Royalty Agreement.

REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • November 10th, 2011 • Liberty Silver Corp • Metal mining

This Registration Rights Agreement (this "Agreement") is made and entered into as of November 10, 2011, by and among Liberty Silver Corp., a Nevada corporation (the "Company"), and the investors signatory hereto (each an "Investor" and collectively, the "Investors").

LIBERTY SILVER CORP. NONQUALIFIED STOCK OPTION AGREEMENT
Nonqualified Stock Option Agreement • May 5th, 2011 • Liberty Silver Corp • Metal mining • Nevada

THIS NONQUALIFIED STOCK OPTION AGREEMENT (this “Agreement”) dated April 19, 2011 between Liberty Silver Corp., a Nevada corporation (the “Company”), and John Barrington (“Optionee”).

FIRST AMENDMENT TO SECURED PROMISSORY NOTE
Secured Promissory Note • June 27th, 2025 • Bunker Hill Mining Corp. • Metal mining

This First Amendment to Secured Promissory Note (this “Agreement”) is dated as of June 5, 2025, by and among Silver Valley Metals Corp., an Idaho corporation, having its business address at 1 Mine Road, Kellogg, ID 83837, as borrower (the “Borrower”), Monetary Metals Bond III LLC, a Delaware limited liability company, as holder (together with its successors and assigns, the “Holder”), and Monetary Metals & Co., a Delaware corporation, as calculation agent (in such capacity, the “Agent”).

MINERAL PROPERTY PURCHASE AGREEMENT
Mineral Property Purchase Agreement • January 14th, 2008 • Lincoln Mining Corp • California

LINCOLN MINING CORP., a company incorporated pursuant to the laws of Nevada with an office at 9454 Wilshire Blvd, Suite 301, Beverly Hills, CA, 90212;

STANDBY PREPAYMENT FACILITY AGREEMENT
Standby Prepayment Facility Agreement • June 27th, 2025 • Bunker Hill Mining Corp. • Metal mining • British Columbia
DATED 9 AUGUST 2018
Amendment and Restatement Agreement • September 4th, 2018 • Bunker Hill Mining Corp. • Metal mining • England and Wales
AuEx, Inc.
Assignment of Exploration Earn-in Agreement • January 24th, 2013 • Liberty Silver Corp • Metal mining

This letter will serve to provide notice and request your consent and waiver of the right of first refusal (“Waiver”), in accordance with article I, section 1 and section 2, respectively, of the Exploration Earn-In Agreement (the “Option Agreement”) between Liberty Silver Corp. (“Liberty”) and AuEx, Inc. (“AuEx”) made effective March 29, 2010, for AuEx to transfer and assign all of its interest in the Trinity Silver project, being the subject of the Option Agreement, and the Option Agreement to Renaissance Exploration, Inc. (the “Transfer”) with the Transfer to be effective on July 1, 2010.

FIRST AMENDMENT TO lOAN AGREEMENT
Loan Agreement • August 5th, 2025 • Bunker Hill Mining Corp. • Metal mining • Idaho

THIS FIRST AMENDMENT (this “Agreement”) dated as of August 8, 2024 between BUNKER HILL MINING CORP., a corporation incorporated under the laws of Nevada (together with its successors and assigns, “Borrower”), SILVER VALLEY METALS CORP., a corporation incorporated under the laws of Idaho (together with its successors and assigns, “Guarantor” and together with Borrower, the “Obligors”), SPROTT PRIVATE RESOURCE STREAMING AND ROYALTY (US COLLECTOR), LP and SPROTT PRIVATE RESOURCE STREAMING AND ROYALTY ANNEX (US COLLECTOR), LP (each, together with its successors and assigns, a “Lender” and, collectively, the “Lenders”) and SPROTT PRIVATE RESOURCE STREAMING AND ROYALTY (US COLLECTOR), LP., as agent for the Lenders (in such capacity and together with any successor agent, the “Agent”).

OMNIBUS AMENDment AGREEMENT
Omnibus Amendment Agreement • March 12th, 2024 • Bunker Hill Mining Corp. • Metal mining • Ontario

THIS OMNIBUS AMENDMENT AGREEMENT (this “Agreement”) dated as of January 28, 2022 (the “Effective Date”) by and among Silver Valley Metals Corp. (“Mine Owner”) and Bunker Hill Mining Corp. (“BHMC” and together with Mine Owner, the “Obligors”) [Redacted – Affiliate of Sprott Private Resource Streaming and Royalty Corp.] (“SPRSR”).

Contract
Agency Agreement • March 6th, 2026 • Bunker Hill Mining Corp. • Metal mining • Ontario

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS NOT MATERIAL, AND THE REGISTRANT TREATS SUCH INFORMATION AS PRIVATE AND CONFIDENTIAL. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED.

INVESTOR RIGHTS AGREEMENT
Investor Rights Agreement • June 27th, 2025 • Bunker Hill Mining Corp. • Metal mining • British Columbia

NOW THEREFORE, in consideration of the respective covenants and agreements of the Parties contained in this Agreement, and for other good and valuable consideration, the receipt and sufficiency of which are acknowledged by each Party, the Parties agree as follows:

AMENDED AND RESTATED LOAN AGREEMENT
Loan Agreement • June 27th, 2025 • Bunker Hill Mining Corp. • Metal mining • Idaho
NOTE PURCHASE AGREEMENT
Secured Promissory Note Purchase Agreement • August 5th, 2025 • Bunker Hill Mining Corp. • Metal mining

This Second Amendment to Secured Promissory Note Purchase Agreement (this “Agreement”) is dated as of June 5, 2025, by and among Silver Valley Metals Corp., an Idaho corporation, having its business address at 1 Mine Road, Kellogg, ID 83837, as borrower (the “Borrower” or “Silver Valley”), Bunker Hill Mining Corp., an Idaho corporation, as parent (the “Parent” or “Bunker Hill”), and Monetary Metals Bond III LLC, a Delaware limited liability company, as purchaser (together with its successors and assigns, the “Purchaser”).

November 30, 2020 David Wiens [address omitted] Dear David: Re: Employment Agreement Bunker Hill Mining Corp. (“Bunker Hill”) is pleased to confirm its offer of new employment to you on the terms provided below.
Employment Agreement • April 1st, 2021 • Bunker Hill Mining Corp. • Metal mining • British Columbia

Full time: You will be employed on a full-time basis, for a minimum of 40 hours per week, with additional hours as required to complete your duties. You will not be entitled to overtime pay in this position. You will dedicate your full attention to the position and may not be engaged in any other business without the written consent of Bunker Hill.

SECOND OMNIBUS AMENDment AGREEMENT
Omnibus Amendment Agreement • December 23rd, 2022 • Bunker Hill Mining Corp. • Metal mining • Ontario

THIS SECOND OMNIBUS AMENDMENT AGREEMENT (this “Agreement”) dated as of June 17, 2022 (the “Effective Date”) by and among Silver Valley Metals Corp. (“Mine Owner”) and Bunker Hill Mining Corp. (“BHMC” and together with Mine Owner, the “Obligors”), [Redacted - Affiliate of Sprott Private Resource Streaming & Royalty Corp.] in its own capacity (“SPRSR) and in its capacity as security agent for and on behalf of the Sprott Entities (the “Security Agent”), [Redacted - Affiliates of Sprott Private Resource Streaming & Royalty Corp.], [Redacted – Funds managed or sub-managed by Affiliates of Sprott Private Resource Streaming & Royalty Corp.], and [Redacted – Affiliates of Ninepoint Partners LP].

royalty agreement
Royalty Agreement • June 29th, 2023 • Bunker Hill Mining Corp. • Metal mining • Idaho

Each of Grantor and BHMC (collectively, the “Obligors”) hereby represents and warrants as follows to Holder, and acknowledges and agrees that Holder is relying upon such representations and warranties in connection with entering into of this Agreement:

MINERAL PROPERTY PURCHASE AGREEMENT
Mineral Property Purchase Agreement • April 1st, 2008 • Lincoln Mining Corp • Metal mining • California

LINCOLN MINING CORP., a company incorporated pursuant to the laws of Nevada with an office at 9454 Wilshire Blvd, Suite 301, Beverly Hills, CA, 90212;

AMENDED AND RESTATED LOAN AGREEMENT
Loan Agreement • August 5th, 2025 • Bunker Hill Mining Corp. • Metal mining • Idaho
FIRST AMENDMENT TO THE AMENDED AND RESTATED LOAN AGREEMENT
Loan Agreement • January 24th, 2017 • Liberty Silver Corp • Metal mining • Ontario

WHEREAS the parties hereto have entered into a loan agreement dated and made effective as of November 14, 2013 and amended and restated effective October 15, 2014 (the “Loan Agreement”);

Third OMNIBUS AMENDment AGREEMENT
Omnibus Amendment Agreement • March 12th, 2024 • Bunker Hill Mining Corp. • Metal mining • Ontario

THIS THIRD OMNIBUS AMENDMENT AGREEMENT (this “Agreement”) dated as of December 5, 2022 (the “Effective Date”) by and among Silver Valley Metals Corp. (“Mine Owner”) and Bunker Hill Mining Corp. (“BHMC” and together with Mine Owner, the “Obligors”), [Redacted – Affiliate of Sprott Private Resource Streaming and Royalty Corp.] in its own capacity (“SPRSR”) and in its capacity as security agent for and on behalf of the Sprott Entities (the “Security Agent”), [Redacted – Affiliates of Sprott Private Resource Streaming and Royalty Corp.], [Redacted – Funds managed or sub-managed by Affiliates of Sprott Private Resource Streaming and Royalty Corp.], and [Redacted – Affiliates of Ninepoint Partners LP].

FIRST AMENDMENT TO THE SETTLEMENT AGREEMENT AND ORDER ON CONSENT FOR RESPONSE ACTION BY BUNKER HILL MINING CORP.
Settlement Agreement • January 3rd, 2022 • Bunker Hill Mining Corp. • Metal mining

This FIRST AMENDMENT TO THE SETTLEMENT AGREEMENT AND ORDER ON CONSENT FOR RESPONSE ACTION BY BUNKER HILL MINING CORP. (this “First Amendment”) is made and entered into as of the last signature date set forth below (“First Amendment Effective Date”), by and between Bunker Hill Mining Corp. (“BHMC”) and the United States. The term “BHMC” shall include “Purchaser” as defined in the Settlement Agreement and Order on Consent for Response Action by Bunker Hill Mining Corp., effective May 15, 2018 (the “Settlement Agreement”).