- Spirax-Sarco Engineering said chairman Bill Whiteley would retire after the company's annual general meeting in May, having served in the role for nine years.

Senior independent director Jamie Pike, who joined the board in 2014, would take over as chairman at the close of the AGM.

Clive Watson would also be appointed as a new senior independent director, the company said.

Pike would continue as chairman of RPC Group but would step down as chairman of Ibstock.

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