TP ICAP said on Wednesday that chairman Rupert Robson plans to retire at the end of December.
Robson joined the board of Tullett Prebon in January 2007 and became chairman in March 2013.

TP ICAP said it will now undertake a comprehensive search for a new non-executive chairman, led by senior independent director Angela Knight.

Robson said: "TP ICAP has undergone enormous change in recent years. It is now the world's largest inter-dealer broker. It is roughly halfway through the integration of the global voice and hybrid broking and information businesses formerly owned by NEX Group plc, which were acquired at the end of 2016.

"After almost 12 years on the board, and as the company develops its strategy for the period following integration, it is timely for me to retire at the end of this year. This is part of the process of considering the board's composition in the current year, as I flagged in my governance letter to shareholders in the 2017 Annual Report. I look forward to the continued success of the company in the coming years."

At 0820 BST, the shares were down 0.6% to 421.70p.

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