Q1 2026 Trading Update

Summary by AI ^BETAClose X

Diploma PLC reported a strong start to fiscal year 2026, achieving 14% organic revenue growth in the first quarter ended December 31, 2025. The company also completed four acquisitions for approximately £75 million, enhancing its presence in aerospace fasteners, aftermarket offerings, and machining capabilities, with two of these acquisitions announced at the FY25 results. Overall, eight deals have been completed in the last two quarters for around £130 million, contributing an expected £20 million in annualised operating profit. Diploma maintained its full-year guidance for organic revenue growth at 6% and margins at approximately 22.5%, while increasing net acquisition growth guidance to 3%.

Disclaimer*

Diploma PLC

14 January 2026

10-11 CHARTERHOUSE SQUARE, LONDON EC1M 6EE

TELEPHONE: +44 (0)20 7549 5700

14 January 2026

Great start to FY26.

Double-digit organic growth. Acquisition momentum continues.

Diploma PLC, the value-add solutions group, today issues a trading update for the three months ended 31 December 2025, ahead of its Annual General Meeting today at 9.00am.

· Very strong Q1 performance as expected: 14% organic revenue growth.

· 4 acquisitions completed for c.£75m in Q1 into attractive end markets:

o Swift Aerospace: extends our reach in aerospace fasteners, particularly in Europe.

o Hydraulic Seals Australia: expands aftermarket offering across varied end markets.

o WDS: adds capability in machining parts into OEM applications (announced at FY25 results).

o Spring Solutions: supports growth in UK / European defence (announced at FY25 results).

· Great acquisition momentum: 8 deals across the last two quarters for c.£130m with expected annualised operating profit contribution of c.£20m. Healthy pipeline.

· FY26 guidance

o Organic revenue growth and margin guidance unchanged at 6% and c.22.5%, respectively.

o Organic growth guidance is significantly weighted to H1.

o Net acquisition growth now 3% (up from 2%), reflecting recent acquisitions. This will increase if further acquisitions are made.

Johnny Thomson, Chief Executive Officer, and Wilson Ng, Chief Financial Officer, will host a conference call for analysts and investors this morning at 8:00am (UK time).

Conference call dial in details:

• Dial in: +44 (0) 33 0551 0200

• Password: Diploma Q1

Our next scheduled update is our half year results on 19 May 2026.

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For further information please contact:

Diploma PLC -	+44 (0)20 7549 5700
Johnny Thomson, Chief Executive Officer
Wilson Ng, Chief Financial Officer
Holly Gillis, Head of Investor Relations

Teneo -	+44 (0)20 7353 4200
Martin Robinson
Camilla Cunningham

NOTE TO EDITORS:

Diploma PLC is a group of specialist businesses that provide critical products and value-added services to customers across a wide range of markets.

We employ c.3,400 colleagues across the Group. Our businesses primarily operate across the US, Canada, the UK, Europe and Australia.

Diploma delivers sustainable quality compounding. Over the last seven years, the Group has grown adjusted earnings per share (EPS) at an average of c.18% p.a. through a combination of organic growth and acquisitions.

Diploma is a member of the FTSE 100.

Further information on Diploma PLC can be found at www.diplomaplc.com

The person responsible for releasing this Announcement is Anna Lawrence, Group General Counsel & Company Secretary.

LEI: 2138008OGI7VYG8FGR19

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