Factors that could cause actual results to differ, and differ materially, include, but are not limited to: Bunker Hill’s ability to consummate the proposed transaction; the occurrence of any event, change or other circumstance that could give rise to the termination of the Arrangement Agreement; failure to obtain applicable regulatory, shareholder or court approvals in a timely manner or at all; failure to satisfy any other conditions to closing of the proposed transaction; failure to realize the anticipated benefits and synergies of the proposed transaction in the expected timeframe or at all, including as a result of a delay in consummating the proposed transaction; the success of integration plans and the time required to successfully integrate Silver47’s operations with those of Bunker Hill; the focus of management’s time and attention on the proposed transaction and other potential disruptions arising from the proposed transaction; the effects of the announcement of the proposed transaction on Bunker Hill’s or Silver47’s businesses; Bunker Hill’s or Silver47’s ability to retain certain key employees following the public announcement of the proposed transaction; the potential for litigation related to the proposed transaction; Bunker Hill’s or Silver47’s ability to obtain certain third party or governmental regulatory consents, approvals or clearances; potential undisclosed liabilities of Silver47 not identified during the due diligence process; the impact of the proposed transaction on the market price of Bunker Hill’s or Silver47’s common stock and/or operating results; silver and other metals price volatility, currency fluctuations, operational risks, increased production costs and variances in ore grade or recovery rates from those assumed in mining plans, political risk, community relations, conflict resolution governmental regulation and judicial outcomes and other risks; and general economic conditions that are less favourable than expected. For more detailed discussion of such risks and other factors, see Bunker Hill’s 2025 Annual Report on Form 10-K, filed with the Securities and Exchange Commission (the “SEC”), as well as Bunker Hill’s other SEC filings, available on the SEC website and www.bunkerhillmining.com/investors, Silver47’s most recent annual information form as well as Silver47’s other filings made with Canadian securities regulatory authorities and available on SEDAR+ and www.silver-47.com/investors. Bunker Hill is not affirming or adopting any statements or reports attributed to Silver47 (including prior mineral reserve and resource declaration) in this communication or made by Silver47 outside of this communication. Silver47 is not affirming or adopting any statements or reports attributed to Bunker Hill (including prior mineral reserve and resource declaration) in this communication or made by Bunker Hill outside of this communication. Bunker Hill and Silver47 do not undertake any obligation to release publicly revisions to any “forward-looking statement,” including, without limitation, outlook, to reflect events or circumstances after the date of this communication, or to reflect the occurrence of unanticipated events, except as may be required under applicable securities laws. Investors should not assume that any lack of update to a previously issued “forward-looking statement” constitutes a reaffirmation of that statement. Continued reliance on “forward-looking statements” is at investors’ own risk.







