Exhibit 99.5

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

The following unaudited pro forma condensed combined financial information (“Unaudited Pro Forma Financial Information”) has been prepared based on the historical audited and unaudited consolidated financial statements of Bunker Hill Mining Corp. (“Bunker Hill” or the “Company”), the historical audited and unaudited consolidated financial statements of Silver47 Exploration Corp. (“Silver47”), and the historical unaudited pro forma condensed combined statements of loss of Silver47 adjusted for the acquisition by Silver47 of Summa Silver Corp. (“Summa”) (as described in Note 7), in each case, as indicated below, and is intended to provide information about how the Transaction (as defined and described in Note 1) might have affected Bunker Hill’s historical financial statements.

The unaudited pro forma condensed combined statements of loss for the year ended December 31, 2025 combines the historical audited consolidated statements of loss of Bunker Hill for the year ended December 31, 2025, with the historical unaudited consolidated statements of loss of Silver47 adjusted for Summa (as described in Note 7) for the corresponding period as if the Transaction had occurred on the first day of Bunker Hill’s fiscal year 2025, being January 1, 2025.

The unaudited pro forma condensed combined statements of income (loss) for the six months ended June 30, 2026 combines the historical unaudited condensed interim consolidated statements of income of Bunker Hill for the six months ended June 30, 2026 with the historical unaudited condensed interim consolidated statements of loss of Silver47 for the six months ended April 30, 2026 as if the Transaction had occurred on the first day of Bunker Hill’s fiscal year 2026, being January 1, 2026.

The unaudited pro forma condensed combined balance sheet as of June 30, 2026 combines the historical unaudited condensed interim consolidated balance sheets of Bunker Hill as of June 30, 2026 and the historical unaudited condensed interim consolidated statements of financial position of Silver47 as of April 30, 2026, as if the Transaction had occurred on June 30, 2026.

The Unaudited Pro Forma Financial Information has been prepared based on and should be read in conjunction with the following:

The Unaudited Pro Forma Financial Information is presented using the asset acquisition method of accounting, as further described in Note 1, with Bunker Hill as the acquirer of Silver47. Under the asset acquisition method of accounting, the purchase price is allocated to the underlying tangible and intangible assets acquired and liabilities assumed of Silver47 based on their respective fair market values on the acquisition date.

The Unaudited Pro Forma Financial Information is presented for informational purposes only. The information has been prepared in accordance with Article 11 of Regulation S-X of the SEC as amended by the final rule, Release No. 33-10786 “Amendments to Financial Disclosures about Acquired and Disposed Businesses,” using the assumptions set forth in the notes to the Unaudited Pro Forma Financial Information. The information has been adjusted to include estimated Transaction accounting adjustments, which reflect the application of the accounting required by accounting principles generally accepted in the U.S. (“U.S. GAAP”).

The Unaudited Pro Forma Financial Information is not necessarily indicative of the financial position and results of operations that actually would have been achieved had the Transaction occurred as of the dates indicated herein, nor does it purport to project the future financial position and operating results of the Combined Company, defined herein. The Unaudited Pro Forma Financial Information also does not reflect the costs of any integration activities or cost savings or synergies expected to be achieved as a result of the Transaction and, accordingly, does not attempt to predict or suggest future results.

Bunker Hill Mining Corp.

Unaudited Pro Forma Condensed Combined Balance Sheet

(Expressed in U.S. Dollars)

As at June 30, 2026

See accompanying notes to Unaudited Pro Forma Combined Financial Information.

Bunker Hill Mining Corp.

Unaudited Pro Forma Condensed Combined Statements of Income (Loss)

(Expressed in U.S. Dollars, except for shares and per share amounts)

For the Six Months Ended June 30, 2026

See accompanying notes to Unaudited Pro Forma Combined Financial Information.

Bunker Hill Mining Corp.

Unaudited Pro Forma Condensed Combined Statements of Loss

(Expressed in U.S. Dollars, except for shares and per share amounts)

For the Year Ended December 31, 2025

See accompanying notes to Unaudited Pro Forma Combined Financial Information.

Notes to Unaudited Pro Forma Combined Financial Information

(Expressed in U.S. Dollars)

1. Description of the Transaction

On August 20, 2026, the Company entered into an arrangement agreement (the “Arrangement Agreement”), whereby the Company agreed to acquire all of the issued and outstanding shares of Silver47 by way of a plan of arrangement under the Business Corporations Act (British Columbia) (the “Transaction”). Under the terms of the Arrangement Agreement, Silver47 shareholders will receive 0.1724 shares of Bunker Hill common stock for each Silver47 common share (the “Exchange Ratio”) held immediately prior to the effective time of the Transaction. Following the closing of the Transaction, it is anticipated that the combined company (the “Combined Company”) will seek a name change to “Bunker Hill Silver Corp.” and remain listed on the Toronto Stock Exchange. It is also expected that Bunker Hill will apply to delist the Silver47 shares from the TSX Venture Exchange, the Frankfurt Stock Exchange and the OTCQX promptly following completion of the Transaction.

2. Basis of Presentation

The Unaudited Pro Forma Combined Financial Information has been prepared in accordance with Article 11 of Regulation S-X, as amended by Release No. 33-10786 “Amendments to Financial Disclosures about Acquired and Disposed Businesses,” using the assumptions set forth in these notes.

The accompanying Unaudited Pro Forma Combined Financial Information presents the unaudited pro forma condensed combined statements of loss for the year ended December 31, 2025 of Bunker Hill giving effect to the acquisition of Silver47 as if it occurred on January 1, 2025, the unaudited pro forma condensed combined statements of income (loss) for the six months ended June 30, 2026 of Bunker Hill giving effect to the acquisition of Silver47 as if it occurred on January 1, 2026 and the unaudited pro forma combined balance sheet as at June 30, 2026 of Bunker Hill giving effect to the acquisition of Silver47 as if it occurred on June 30, 2026.

Bunker Hill and Silver47 prepare their consolidated financial statements with a fiscal year end of December 31 and July 31, respectively. In accordance with applicable SEC rules, if the fiscal year end of an acquired entity differs from the acquirer’s fiscal year end by more than 93 days, the acquired entity’s income statement must be brought up within 93 days of the acquirer’s fiscal year end. The Unaudited Pro Forma Combined Financial Information was prepared in accordance with the 93 day interval threshold as explained below, with adjustments made to the historical financial information of Silver47 to align the reporting periods with Bunker Hill’s fiscal year end, where applicable.

The unaudited pro forma condensed combined balance sheet as at June 30, 2026 was prepared using:

The unaudited pro forma condensed combined statements of income (loss) for the six months ended June 30, 2026 was prepared using:

The unaudited pro forma condensed combined statements of loss for the year ended December 31, 2025 was prepared using:

The above constructed unaudited pro forma condensed combined statements of loss for the year ended December 31, 2025 of Silver47 was prepared for the purpose of preparing the Unaudited Pro Forma Combined Financial Information and does not conform with the audited consolidated financial statements for the year ended July 31, 2025 of Silver47.

The historical unaudited consolidated financial statements of Bunker Hill are prepared in accordance with U.S. GAAP and are reported in U.S. dollars (“$” or “USD”). The historical unaudited consolidated financial statements of Silver47 and Summa are prepared in accordance with IFRS Accounting Standards as issued by the International Accounting Standards Board (“IFRS”) and are reported in Canadian dollars (“C$” or “CAD”).

The Transaction will be accounted for using the asset acquisition method of accounting, as prescribed in Accounting Standards Codification (“ASC”) 805, Business Combinations, (“ASC 805”), under U.S. GAAP, which requires an allocation of the purchase price to the assets acquired and liabilities assumed, based on their fair values as of the date of the Transaction. As of the date of this filing, Bunker Hill has not completed the detailed valuation study necessary to arrive at the required final estimates of the fair value of Silver47’s assets acquired and liabilities assumed and the related allocations of purchase price.

Silver47’s historical financial information has been translated into USD for the purposes of the Unaudited Pro Forma Financial Information to align Silver47’s presentation currency to Bunker Hill’s presentation currency. Assets and liabilities have been translated into USD using the applicable exchange rate as of the balance sheet date. Revenues and expenses have been translated using the average exchange rates for the periods presented.

At the date of this filing, management is not aware of any material differences and therefore no adjustments have been made to reflect Silver47’s historical audited consolidated financial statements on a U.S. GAAP basis for purposes of the Unaudited Pro Forma Financial Information and to align Silver47’s historical significant accounting policies under IFRS to Bunker Hill’s significant accounting policies under U.S. GAAP. As of the date of this filing, Bunker Hill has not identified all adjustments necessary to convert Silver47’s historical audited financial statements prepared in accordance with IFRS to U.S. GAAP and to conform Silver47’s accounting policies to Bunker Hill’s accounting policies.

A final determination of the fair value of Silver47’s assets and liabilities, including property and equipment, and exploration and evaluation assets, will be based on the actual property and equipment, and exploration and evaluation assets of Silver47 that exist as of the closing date of the Transaction and therefore cannot be made prior to the consummation of the Transaction. Bunker Hill has estimated the fair value of Silver47 assets and liabilities based on discussions with Silver47’s management, preliminary valuation studies, due diligence and information presented in Silver47’s filings with the Canadian securities authorities. A final determination of fair value of Silver47’s assets and liabilities has not been finalized as of the date of filing. Any increases or decreases in the fair value of assets acquired and liabilities assumed upon completion of the final valuations will result in adjustments to the unaudited pro forma combined balance sheet and unaudited pro forma statements of income (loss). In addition, the value of the purchase consideration to be paid by Bunker Hill upon the consummation of the Transaction will be determined based on the closing price of Bunker Hill’s common stock on the Transaction date. The final purchase price allocation may be materially different than that reflected in the pro forma purchase price allocation presented herein.

The unaudited pro forma consolidated financial statements are presented for illustrative purposes only and do not necessarily reflect what the Combined Company’s financial condition would have been had the Transaction occurred on the date indicated. They also may not be useful in predicting the future financial condition and results of the operations of the Combined Company. The actual financial position and results of operations of Bunker Hill may differ significantly from the pro forma amounts reflected in the unaudited pro forma consolidated financial statements due to a variety of factors.

The unaudited pro forma information and adjustments are based upon current available information and certain assumptions that Bunker Hill believes are reasonable in the circumstances, as described in the notes to the unaudited pro forma consolidated financial statements. The actual adjustments to the consolidated financial statements of Bunker Hill in connection with the closing of the Transaction will depend on a number of factors, including, among others, the actual expenses of the Transaction and other additional information that becomes available after the date of this report. As a result, it is expected that actual adjustments will differ from the pro forma adjustments presented herein, and the differences may be material. The Unaudited Pro Forma Financial Information also does not reflect the costs of any integration activities or cost savings or synergies expected to be achieved as a result of the Agreement and, accordingly, do not attempt to predict or suggest future results.

Estimated Purchase Price

The total preliminary estimated purchase price consists of the following:

Preliminary Purchase Price Allocation

For the purposes of the Unaudited Pro Forma Financial Information, the table below summarizes the preliminary allocation of purchase price to the estimated fair value assets acquired and liabilities assumed of Silver47 as if the Transaction had occurred on June 30, 2026. The estimated fair value of the assets acquired and liabilities assumed of Silver47 are substantially the same as their respective carrying amounts as at April 30, 2026:

3. IFRS to U.S. GAAP Conversion and Accounting Policy Alignment Adjustments

IFRS differs in certain material respects from U.S. GAAP. Bunker Hill’s management performed a preliminary analysis of Silver47’s historical financial information to identify differences between IFRS and U.S. GAAP. There were no material differences identified on Silver47’s consolidated statements of financial position or Silver47’s consolidated statements of loss as presented in the Unaudited Pro Forma Financial Information. Therefore, no corresponding IFRS to U.S. GAAP adjustments are made to the Unaudited Pro Forma Financial Information as of June 30, 2026. In addition, no material adjustments have been made to align Silver47’s significant accounting policies under IFRS to Bunker Hill’s significant accounting policies under U.S. GAAP when there is no specific difference between IFRS and U.S. GAAP.

4. Foreign Currency Translation

Silver47’s historical financial information and pro forma adjustments have been translated from its reporting currency of CAD to be presented in Bunker Hill’s reporting currency of USD using the following exchange rates:

5. Silver47 Historical Financial Statements

Silver47’s historical audited consolidated financial statements, as described above, are presented under IFRS in CAD. No material adjustments have been made to align Silver47’s historical significant accounting policies under IFRS to Bunker Hill’s significant accounting policies under U.S. GAAP as discussed in Note 3. Further review may identify additional reclassifications that could have a material impact on the unaudited pro forma financial information of the combined group. In addition, Silver47’s historical financial information has been translated into USD to align Silver47’s presentation currency to Bunker Hill’s presentation currency as discussed in Note 4. The reclassified historical balances reflect certain reclassifications of Silver47’s consolidated statements of loss and consolidated statements of financial position categories to conform to Bunker Hill’s presentation in its consolidated balance sheets and consolidated statements of income. The reclassifications identified and presented in the unaudited pro forma financial information are based on discussions with Silver47’s management, due diligence and information presented in Silver47’s filings with Canadian securities authorities. As of the date of this filing, Bunker Hill is not aware of any additional reclassifications that would have a material impact on the Unaudited Pro Forma Financial Information that are not reflected in the pro forma adjustments.

Condensed Consolidated Statement of Financial Position

For the Period Ended as at April 30, 2026

The reclassifications are summarized below:

Condensed Consolidated Statements of Financial Position

For the Period Ended as at April 30, 2026

(Expressed in U.S. Dollars)

Condensed Consolidated Statements of Loss

For the Six Months Ended April 30, 2026

Condensed Consolidated Statements of Loss

For the Six Months Ended April 30, 2026

(Expressed in U.S. Dollars)

Condensed Consolidated Statements of Loss

For the Year Ended December 31, 2025

(Expressed in U.S. Dollars)

6. Transaction Accounting Adjustments

The following adjustments have been made to the Unaudited Pro Forma Financial Information to reflect certain preliminary purchase price accounting and other pro forma adjustments. Further review may identify additional adjustments that could have a material impact on the unaudited pro forma financial information of the combined group. At this time, Bunker Hill is not aware of any additional Transaction related adjustments that would have a material impact on the unaudited pro forma financial information that are not reflected or disclosed in the pro forma adjustments.

The adjustment to increase Exploration and evaluation assets by $76,706,740 reflects the adjustment to Silver47’s Exploration and evaluation assets based on the estimated fair value as of April 30, 2026 and the preliminary purchase consideration, see Note 2 for further detail. The fair value was determined as the excess of the consideration paid for the identifiable assets and liabilities acquired in relation to the Transaction.

As at June 30, 2026, Bunker Hill had incurred approximately $500,000 in transaction costs comprised of legal and professional services fees, historically reported in Operating expenses. The amount was reversed and capitalized as part of the Transaction. Bunker Hill estimates an additional $5,500,000 in transaction costs will be incurred in relation to the Transaction which have not been reflected in the historical financial statements.

Immediately prior to consummation of the Transaction, each outstanding Silver47 RSU will be deemed to be bested and settled by Silver47 for Silver47 shares. In accordance with the plan of arrangement governing the Transaction, each such Silver47 share will then be exchanged for 0.1724 shares of Bunker Hill common stock. See Note 2 for further detail on the Transaction.

The adjustment to Derivative warrant liability represents the fair value of the Replacement Warrants that Bunker Hill will issue upon closing of the Transaction, as per the Arrangement Agreement. See Note 2 for further detail on the Transaction.

The adjustment to Shareholders’ equity of $57,085,172 represents the elimination of Silver47’s equity and the net impact to Shareholders’ equity, including common stock, additional paid-in-capital, accumulated other comprehensive income (loss), and accumulated deficit, in relation to the Arrangement Agreement, as summarized below:

The pro forma combined earnings per share below reflects pro forma combined net income (loss) attributable to shareholders of Bunker Hill divided by the pro forma weighted average number of shares of common stock outstanding, after giving effect to 36,170,385 shares issued as share consideration and the dilutive effect of Silver47 options and warrants, assuming such shares have been outstanding for the entirety of the periods presented:

7. Summa Arrangement Accounting Adjustments

Silver47 completed the acquisition of Summa on August 1, 2025. Silver47’s historical consolidated financial statements for the period January 1, 2025 through July 31, 2025 do not include Summa’s results of operations.

In accordance with Article 11 of Regulation S-X, the Unaudited Pro Forma Financial Information gives effect to this arrangement as if it had occurred at the beginning of the periods presented. The Unaudited Pro Forma Financial Information also reflects a separate arrangement for the completed acquisition of Summa that required separate financial statements under Rule 3-05 of Regulation S-X.

To provide a more meaningful presentation of the Combined Company’s operating results, management has prepared Silver47’s historical statements of loss adjusted to include Summa’s historical results, together with related pro forma adjustments. These adjustments include:

The table below presents a construction of Silver47’s historical statements of loss for the year ended December 31, 2025, adjusted for Summa’s historical results for the adjustments noted above.

Condensed Consolidated Statements of Loss

For the Year Ended December 31, 2025

(Expressed in U.S. Dollars)