Interim Results for the half year ended 30 June 2026

Strong growth drives excellent first half
Accelerated momentum and record order book underpin confidence in H2

^{1 Underlying operating profit and underlying diluted earnings per share are non-statutory measures which provide readers of this Announcement with a balanced and comparable view of the Group’s performance by excluding the impact of non-underlying items, as disclosed in note 7 to the interim condensed consolidated financial statements.}

^{2 Free cash flow is defined within the adjusted performance measures in the interim condensed consolidated financial statements}

^{3 Net debt/ leverage is presented on a lender covenant basis excluding the impact of IFRS 16 as disclosed within the adjusted performance measures in the interim condensed consolidated financial statements.}

Strong growth drives excellent financial performance

• Significant revenue and profit growth, up 11.1% to £1,608m and 17.1% to £117.9m respectively, on a constant currency basis driven by North America performance.
• Underlying operating profit margin of 7.3% (H1 2025: 7%) reflects sustained commercial discipline and project execution.
• EPS increased by 22.4% to 120.1p reflecting continued earnings growth and positive impact of share buybacks.

Strength of geographic and sector diversification, outstanding performance in North America

• North America benefited from record volume and profit growth, underpinned by significant demand for infrastructure and data centre projects.
• Improved performance in Europe and Middle East, with margin and profit growth principally driven by the Middle East.
• In Asia-Pacific, continued momentum in Austral largely offset margin pressures in the Australia foundations market.

Balance sheet provides flexibility to deliver attractive shareholder returns and M&A

• Net debt³ of £15.9m and leverage³ of 0.1x at 30 June 2026, well below the Group’s 0.5x–1.5x target range.
• £100m share buyback programme launched on 30 March 2026; c.£35m completed since launch.
• Interim dividend per share up 57% to 28.7p (H1 2025: 18.3p), reflecting the Group's enhanced dividend policy (target cover of 2.5x–3.5x) adopted in March.

FY 2026 outlook

• Management remain confident in delivering a full year performance in line with the recently upgraded market expectations⁴.
• Record order book of £1.9bn (H1 2025: £1.6bn), elevated by multi-year I-40 highway remediation contract.
• Well positioned to continue delivering value for customers and returns for shareholders in FY26 and beyond.

Notice of Capital Markets Day

Keller will hold a Capital Markets Day on the afternoon of 14 October 2026, in London.

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^{4 Current company compiled consensus for the year-ending 31 Dec 2026 (based on the estimates of seven analysts) is revenue of £3,337m and underlying operating profit of £242m.}

For further information, please contact:

Keller Group plc

James Wroath, Chief Executive Officer
David Burke, Chief Financial Officer
Nicola Rogers, Group Head of Investor Relations

www.keller.com
+44 20 7616 7575

Teneo

Martin Robinson
Giles Kernick
Camilla Cunningham

+44 20 7427 1572

Management presentation – webcast - 9:00am GMT 4 August 2026

Watch the webcast:

Use the link below to access the webcast live or on demand later in the day.

https://connectstudio-portal.world-television.com/en/6a3124f1f8ea1c6e0f0b02f5

Join via conference call: Access Code: 472793

United Kingdom (Local): +44 20 3936 2999
United Kingdom (Toll-Free): +44 808 189 0158
Global Dial-In Numbers

Notes to editors:

Keller is the world's largest geotechnical specialist contractor providing a wide portfolio of advanced foundation and ground improvement techniques used across the entire construction sector. With around 10,000 staff and operations across five continents, Keller tackles an unrivalled 5,500 projects every year, generating annual revenue of c.£3bn.

Cautionary statements:

This document contains certain 'forward-looking statements' with respect to Keller's financial condition, results of operations and business and certain of Keller's plans and objectives with respect to these items. Forward-looking statements are sometimes, but not always, identified by their use of a date in the future or such words as 'anticipates', 'aims', 'due', 'could', 'may', 'should', 'expects', 'believes', 'intends', 'plans', 'potential', 'reasonably possible', 'targets', 'goal' or 'estimates'. By their very nature forward-looking statements are inherently unpredictable, speculative and involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied by these forward-looking statements. These factors include, but are not limited to, changes in the economies and markets in which the Group operates; changes in the regulatory and competition frameworks in which the Group operates; the impact of legal or other proceedings against or which affect the Group; and changes in interest and exchange rates. For a more detailed description of these risks, uncertainties and other factors, please see the Principal risks and uncertainties section of the Strategic report in the Annual Report and Accounts. All written or verbal forward-looking statements, made in this document or made subsequently, which are attributable to Keller or any other member of the Group or persons acting on their behalf are expressly qualified in their entirety by the factors referred to above. Keller does not intend to update these forward-looking statements. Nothing in this document should be regarded as a profits forecast. This document is not an offer to sell, exchange or transfer any securities of Keller Group plc or any of its subsidiaries and is not soliciting an offer to purchase, exchange or transfer such securities in any jurisdiction. Securities may not be offered, sold or transferred in the United States absent registration or an applicable exemption from the registration requirements of the US Securities Act. 

LEI number: 549300QO4MBL43UHSN10. Classification: 1.2 (Half yearly financial reports).

Adjusted performance measures 

In addition to statutory measures, a number of adjusted performance measures (APMs) are included in this Interim Announcement to assist investors in gaining a clearer understanding and balanced view of the Group’s underlying results and in comparing performance. These measures are consistent with how business performance is measured internally.

The APMs used include underlying operating profit, underlying earnings before interest, tax, depreciation and amortisation, underlying net finance costs and underlying earnings per share, each of which are the equivalent statutory measure adjusted to eliminate the amortisation of acquired intangibles and other significant one-off items not linked to the underlying performance of the business. Net debt (bank covenant IAS 17 basis) is provided as a key measure for measuring bank covenant compliance and is calculated as the equivalent statutory measure adjusted to exclude the additional lease liabilities relating to the adoption of IFRS 16. Free cash flow before interest and tax is provided as a metric to reflect operating cash flow including capital expenditure; it is reconciled in the net debt flow table in the Chief Financial Officer’s review. Further underlying constant exchange rate measures are given which eliminate the impact of currency movements by comparing the current measure against the comparative restated at this year’s actual average exchange rates. Where APMs are given, these are compared to the equivalent measures in the prior year.

APMs are reconciled to the statutory equivalent, where applicable, in the adjusted performance measures section in this Announcement.