9 April 2026

Keller Group plc

Michael Speakman

It is with great sadness that the Board of Keller Group plc ('Keller') announces that Michael Speakman, formerly Chief Executive Officer ('CEO'), passed away on 3 April 2026.

Michael joined Keller as Chief Financial Officer in 2018, before becoming CEO in 2019 until August 2025, when he stepped down to continue medical treatment.

Carl-Peter Forster, Chair of Keller, said:

"It is with the deepest sadness that we announce Michael's passing. He made an immense contribution to Keller during his tenure and leaves a legacy of outstanding leadership during which he guided the company through a period of significant development and improved financial and operational performance. Michael was a great friend and colleague to many at Keller, and he will be hugely missed. Our thoughts are very much with Michael's family at this devasting time."

For any messages of condolence, please contact [email protected] who will share with Michael's family.

Contacts:

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.