Diploma
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Diploma (DPLM) investor relations material

Diploma Trading update summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Trading update summary18 Mar, 2026

Upgraded guidance and financial performance

  • Organic growth guidance raised to 9% for FY26, with acquisitions contributing 3% and margins increased to approximately 25%, implying a 13% uplift to consensus operating profit.

  • Earnings expected to rise over 20% for the year, supported by strong returns on capital and sustainable compounding.

  • First half performance is exceptionally strong, with high single-digit growth excluding Peerless and double-digit growth in IS Group and Clarendon.

  • Eight acquisitions completed in the last two quarters for around GBP 130 million, adding about GBP 20 million in annualised operating profit, with a healthy short-term pipeline.

  • Strong trading momentum continues, with confidence in H2 performance.

Business and segment highlights

  • Controls segment sees robust growth, especially in aerospace, energy, defence, and datacentres, with IS Group and Clarendon delivering double-digit growth and margin improvements.

  • Peerless continues to outperform, with sustainable market dynamics and ongoing market share gains.

  • North American Seals shows strong core growth, supported by infrastructure and nuclear sectors, while international performance, especially UK, remains challenging.

  • Life Sciences achieves mid-single-digit growth and share gains in MedTech and IVD in the UK and Ireland, with expanding margins.

  • Windy City benefits from data center and distributed antenna system demand, maintaining strong momentum.

Market and operational outlook

  • Market demand remains strong and consistent, with favorable dynamics and a significant backlog in new builds and refurbishments.

  • Supply chain constraints persist, with no expected near-term changes.

  • Defense exposure is growing, supported by new investments, a Czech Republic facility, and bolt-on acquisitions like Spring Solutions.

  • Pricing inflation from energy costs is minimal and patchy, with the group well-positioned to manage any increases.

  • Organic growth is primarily volume-driven, with pricing playing a lesser role.

Future M&A impact on the 25% margin peak
Peerless supply chain tailwind duration
Defense growth strategy and Czech facility role
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