Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. On July 30, 2026, Bunker Hill Mining Corp. (the “ Company Facility SV Borrower Lender As previously disclosed in the Company Form 8-K as filed on June 11, 2025, the Facility permits revolving draws up to an aggregate maximum principal amount of US$10.0 million and is uncommitted and repayable on demand. The availability period ends on the earliest of (i) June 30, 2028, (ii) the date on which the project reaches 90% of nameplate capacity, and (iii) termination of the facility by the Lender, in each case subject to the terms and conditions therein. Amounts repaid may be reborrowed during the availability period, and each advance must be at least US$500,000. Amounts drawn bear interest at 13.5% per annum from their funding date to June 30, 2027, and a rate equal 15.0% per annum thereafter, subject to automatic increases. Interest is calculated on a 360-day year and capitalized quarterly in arrears. Upon an event of default, default interest accrues at the applicable rate plus 3.0% per annum. The Company’s obligations under the Facility are secured by a first-ranking security interest over substantially all property and assets of the obligors, subject to permitted liens. The foregoing description of the material terms of the Facility is qualified in its entirety by reference to the Standby Prepayment Facility Agreement, dated June 5, 2025, which was filed as Exhibit 10.34 to the Company’s Registration Statement on Form S-1 filed with the Securities and Exchange Commission on June 27, 2025.

Item 7.01 Regulation FD. On July 31, 2026, the Company issued a press release discussing its draw from the Facility. A copy of the press release is attached to this report as Exhibit 99.1. In accordance with General Instruction B.2 of Form 8-K, the information set forth herein and in the press release is deemed to be “furnished” and shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, as amended (the “ Exchange Act

Item 9.01 Exhibits. Exhibit Description Number ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 3.1 Amended and Restated Bylaws of Bunker Hill Mining Corp. 99.1 Press Release dated July 31, 2026 104 Cover SIGNATURES In accordance with the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. BUNKER DATE: By: /s/ Sam President