Exhibit 99.1

TABLE OF CONTENTS

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CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This Form 6-K contains forward-looking statements. We intend such forward-looking statements to be covered by relevant safe harbor provisions for forward-looking statements (or their equivalent) of any applicable jurisdiction, including those contained in Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). All statements other than statements of historical facts contained in this Form 6-K may be forward-looking statements. In some cases, you can identify forward-looking statements by terms such as “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “targets,” “commits,” “projects,” “contemplates," “believes,” “estimates,” “forecast,” “predicts,” “potential” or “continue” or the negative of these terms or other similar expressions. Forward-looking statements contained in this Form 6-K include, but are not limited to statements regarding our future results of operations and financial position, future organic growth, industry and business trends, business strategy and plans, shareholder value creation (including our ongoing strategic review and related productivity enhancements and cost reductions, as well as our ability to refinance or meet our debt obligations), our market growth, position and our objectives for future operations, including our ability to maintain relationships with customers, the potential benefit of the terms of our contract renewals the impact (illustrative or otherwise) of the renewed agreements with MTN Nigeria (including certain rebased fee components) on our financial results, the impact of currency and exchange rate fluctuations (including the fluctuations of the Naira) and other economic and geopolitical factors on our future results and operations, the outcome and potential benefit of our ongoing strategic review, including our ability to make commercial progress, increase Adjusted EBITDA and cash flow generation and reduce debt, our objectives for future operations, and the timing of any of the foregoing.

We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends that we believe may affect our business, financial condition and results of operations. Forward-looking statements involve known and unknown risks, uncertainties and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements, including, but not limited to:

The forward-looking statements in this Form 6-K are based upon information available to us as of the date of this Form 6-K, and while we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information. These statements are inherently uncertain and investors are cautioned not to unduly rely upon these statements. You should read this Form 6-K and the documents that we reference in this Form 6-K with the understanding that our actual future results, performance and achievements may be materially different from what we expect. We qualify all of our forward-looking statements by these cautionary statements. Additionally, we may provide information herein that is not necessarily “material” under the federal securities laws for SEC reporting purposes, but that is informed by various ESG standards and frameworks (including standards for the measurement of underlying data), and the interests of various stakeholders. Particularly in the ESG context, materiality is subject to various definitions that often differ from, and are generally more expansive than, the definition under US federal securities laws. Much of this information is subject to assumptions, estimates or third-party information that is still evolving and subject to change. For example, we note that standards and expectations regarding greenhouse gas (GHG) accounting and the processes for measuring and counting GHG emissions and GHG emissions reductions are evolving, and it is possible that our approaches both to measuring our emissions and any reductions may be at some point, either currently or in future, considered by certain parties to not be in keeping with best practices. In addition, our disclosures based on any standards may change due to revisions in framework requirements, availability of information, changes in our business or applicable government policies, or other factors, some of which may be beyond our control. These forward-looking statements speak only as of the date of this Form 6-K. Except as required by applicable law, we do not assume, and expressly disclaim, any obligation to publicly update or revise any forward-looking statements contained in this Form 6-K, whether as a result of any new information, future events or otherwise. Additionally, references to any website or other documents contained in this Form 6-K are provided for convenience only, and their content is not incorporated by reference into this Form 6-K.

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CERTAIN DEFINED TERMS

Unless the context provides otherwise, references herein to:

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PART I ‒ FINANCIAL INFORMATION

Item 1. Interim Financial Statements

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CONDENSED CONSOLIDATED STATEMENT OF INCOME/(LOSS) AND OTHER COMPREHENSIVE INCOME (UNAUDITED)

FOR THE THREE MONTHS ENDED MARCH 31, 2025, AND 2024

The notes on pages 13 to 30 form part of the condensed consolidated interim financial statements.

CONDENSED CONSOLIDATED STATEMENT OF FINANCIAL POSITION (UNAUDITED)

AT MARCH 31, 2025, AND DECEMBER 31, 2024

The notes on pages 13 to 30 form part of the condensed consolidated interim financial statements.

CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (UNAUDITED)

FOR THE THREE MONTHS ENDED MARCH 31, 2025, AND 2024

The notes on pages 13 to 30 form part of the condensed consolidated interim financial statements.

CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)

FOR THE THREE MONTHS ENDED MARCH 31, 2025, AND 2024

The notes on pages 13 to 30 form part of the condensed consolidated interim financial statements.

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS

1.General Information

The financial statements are the unaudited condensed consolidated interim financial statements (hereafter “financial statements”) of IHS Holding Limited (the “Company”) and its subsidiaries (together hereafter referred to as the “Group”). IHS Holding Limited is incorporated in the Cayman Islands under the Companies Act (as amended) as an exempted company with limited liability. The Company is domiciled in the Cayman Islands and the address of its registered office is 190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands.

IHS is principally involved in providing infrastructure for the telecommunications industry. The financial period represents the three months ended March 31, 2025, with the prior period representing the three months ended March 31, 2024. The financial statements are presented in U.S. dollars ($). During the three months ended March 31, 2025, the Group changed its rounding presentation from thousands to millions, except as otherwise indicated including in the case of per share data, and, as a result, any necessary rounding adjustments have been made to prior period disclosed amounts. This change is not material and does not impact the comparability of our financial information. In addition, certain columns and rows in financial tables within management’s discussion and analysis of financial condition and results of operations may not add due to rounding. Percentages have been calculated from the underlying whole-dollar amounts for all periods presented.

2.Summary of material accounting policies

2.1Basis of preparation

The financial statements for the three months ended March 31, 2025, have been prepared in accordance with International Accounting Standard 34, ‘Interim Financial Reporting’ (“IAS 34”), as issued by the International Accounting Standards Board (“IFRS® Accounting Standards”).

The condensed financial statements do not amount to full financial statements and do not include all of the information and disclosures required for full annual financial statements. These should be read in conjunction with the consolidated annual financial statements of the Group for the year ended December 31, 2024, which have been prepared in accordance with IFRS® Accounting Standards as issued by the IASB, as noted within note 2.1 of the consolidated annual financial statements.

In management’s opinion, the accompanying financial statements contain all adjustments, consisting of only normal recurring adjustments, necessary for a fair statement of its financial position as of March 31, 2025, and its results of operations for the three months ended March 31, 2025, and 2024, cash flows for the three months ended March 31, 2025, and 2024, and statement of changes in equity for the three months ended March 31, 2025, and 2024. The condensed consolidated statement of financial position as of December 31, 2024, was derived from audited annual financial statements but does not contain all of the footnote disclosures from the annual financial statements.

2.2Approval

These condensed consolidated interim financial statements were authorized and approved for issue on May 19, 2025.

2.3Income tax

Taxes on income in the interim periods are accrued using the tax rate that would be applicable to expected total annual income or loss.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

2.4Changes in accounting policies and disclosures

The accounting policies adopted are consistent with those of the previous financial year and corresponding interim reporting period, except the new standards, amendments and interpretations adopted by the Group during the period.

The Group has applied the following standards, amendments and interpretations for its reporting period commencing January 1, 2025:

The above did not have a material impact on the Group’s financial statements.

Certain standards, amendments and interpretations have been published through March 31, 2025, reporting period and have not been early adopted by the Group. These are as follows:

The Company is in the process of analyzing the impact of the above.

When the Group exercises a purchase option to acquire a right-of-use asset, this is reclassified to property, plant and equipment at the net book value at the time of exercise and will from then onwards be accounted for in line with the Group’s accounting policies for property, plant and equipment.

During March 2025, as part of the Oi S.A. Judicial Recovery Plan, the Group received legal title to 1,562 towers and 187 related land assets already held by the Group as right-of-use assets in partial settlement of amounts owed to the Group under its MLA with Oi S.A. These assets were reclassified to property, plant and equipment at the net book value of $71.9 million and revenue of $3.8 million was recognized for the fair value of the assets beyond their existing right-of-use lease term.

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3.Critical accounting estimates and judgments

The preparation of interim financial statements requires management to make certain judgments, accounting estimates and assumptions that affect the amounts reported for the assets and liabilities at the reporting date and the amounts reported for revenues and expenses during the period. The nature of the estimation means that actual outcomes could differ from those estimates.

In preparing these condensed consolidated interim financial statements, the significant judgments made by management in applying the Group’s accounting policies and the key sources of estimation uncertainty were the same, except as mentioned below, as those that applied to the consolidated financial statements for the year ended December 31, 2024.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

(a)Going Concern

As part of their regular assessment of the Group’s liquidity and financing position, the Directors have prepared detailed forecasts for a period which extends beyond 12 months after the date of approval of these financial statements. In assessing the forecasts, the Directors have considered:

In addition, the Directors have considered the following:

Having carefully considered the factors noted above, the Directors have a reasonable expectation that the Group has adequate resources to continue in operational existence for at least 12 months from the date of issuance of these financial statements and to operate within the covenant levels of its current debt facilities. The Directors therefore continue to consider it appropriate to adopt the going concern basis of accounting in preparing these financial statements.

4.Capital risk management and fair value measurements

The Group’s activities expose it to a variety of financial risks including market risk (foreign exchange risk and interest rate risk), credit risk and liquidity risk.

The financial statements do not include all financial risk management information and disclosures required in annual financial statements, and should be read in conjunction with the Group’s annual financial statements for the year ended December 31, 2024.

There have been no changes in any risk management policies since December 31, 2024.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

Fair value hierarchy

The different levels have been defined as follows:

At the period end, the Group’s financial instruments held at fair value all had a level 2 classification. These instruments comprise foreign exchange swaps and options embedded in the Group’s bonds (see note 12 for further details). Their fair values are determined based on mark-to-market values provided by the counterparty financial institutions or valuation techniques using observable market data. There were no transfers between different levels during the reporting period and the Group did not change any valuation techniques in determining the level 2 fair values.

Fair value estimation

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The fair values of total borrowings presented above are classified as Level 2 of the fair value hierarchy and are based on discounted cash flows using a current borrowing rate.

Other than total borrowings, the fair values of financial assets and financial liabilities are not materially different from their carrying values.

5.Segment reporting

The Group’s Executive Committee is identified as the chief operating decision maker (“CODM”) that reviews the Company’s internal reporting to assess performance and allocate resources. Management has determined the operating segments based on these reports.

The CODM has identified three reportable and operating segments:

The basis of segmentation and measurement of segment financial information is consistent with that of the previous financial year and the corresponding interim reporting period except as noted below.

Middle East and North Africa, or MENA comprised our operations in Kuwait and Egypt. We sold our Kuwait operations in December 2024 and do not plan to commence operations in Egypt, therefore we had no operations in MENA as of December 31, 2024, and MENA is no longer a reportable segment for the period ended March 31, 2025, and onwards.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

The CODM primarily uses a measure of Adjusted EBITDA (including by segment) as income/(loss) for the period, before income tax expense/(benefit), finance costs and income, depreciation and amortization, net impairment/(reversal of impairment) of withholding tax receivables, impairment of goodwill, business combination transaction costs, net impairment/(reversal of impairment) of property, plant and equipment, intangible assets excluding goodwill and related prepaid land rent, reversal of provision for decommissioning costs, net (gain)/loss on sale of assets, share-based payment (credit)/expense, insurance claims, gain on disposal of subsidiary and certain other items that management believes are not indicative of the core performance of our business. The most directly comparable IFRS measure to Adjusted EBITDA is our income/(loss) for the period. The CODM also regularly receives information about the Group’s revenue, assets and liabilities. The Group has additional corporate costs which do not meet the quantitative thresholds to be separately reported and therefore are not allocated to operating segments. Segment Adjusted EBITDA represents Adjusted EBITDA excluding unallocated corporate expenses.

There are no revenue transactions which occur between operating segments. Intercompany finance income, finance costs and loans are not included in the amounts below.

The segment’s assets and liabilities are comprised of all assets and liabilities attributable to the segment, based on the operations of the segment and the physical location of the assets, including goodwill and other intangible assets and are measured in the same way as in the financial statements. Other assets and liabilities that are not attributable to Nigeria, SSA and Latam segments consist principally of amounts excluded from specific segments including costs incurred for and by Group functions not attributable directly to the operations of the reportable segments, share based payment and any amounts due on debt held at Group level as the balances are not utilized in assessing each segment’s performance.

Summarized financial information is as follows:

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

Each segment's Adjusted EBITDA above includes the following items:

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Reconciliation of information on reportable segments to the amounts reported in the financial statements:

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

Summarized segment assets and liabilities are as follows:

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Revenue from two tier one customers represents more than 10% of the Group’s total revenue as follows:

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

6.Cost of sales

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

7.Administrative expenses

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For the three month period ended March 31, 2024, an impairment of $87.9 million in the IHS Latam tower businesses group of cash generating units (“CGUs”) was recognized. This was mainly due to the restructuring of our customer Oi S.A. (“Oi”) in Brazil. On April 19, 2024, an Oi restructuring plan was presented to court in Brazil and was agreed upon by creditors including IHS, in relation to Oi’s ongoing judicial recovery proceedings. As a result of the agreed upon terms, the carrying amount of the IHS Latam tower businesses group of CGUs was reduced to its recoverable amount, through the recognition of an impairment loss against goodwill. This loss is included in administrative expenses in the condensed consolidated statement of income/(loss) and other comprehensive income.

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8.Finance income

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NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS (CONTINUED)

9.Finance costs

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