Bunker Hill Mining Corp. has announced that it has commenced mailing a notice of meeting and proxy statement to its stockholders. The document was sent on September 29, 2026, in connection with a special meeting of stockholders.

The purpose of the meeting is to vote on a strategic business combination transaction. Bunker Hill entered into an Arrangement Agreement with Silver47 Exploration Corp. on August 20, 2026, to complete this combination. The transaction is structured as a statutory plan of arrangement under the Business Corporations Act of British Columbia.

The proxy statement, dated September 23, 2026, is filed as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in the proxy statement is being furnished and is not deemed to be filed with the Securities and Exchange Commission.