Rigby announced his retirement in July, after 25 years service as chief executive, or executive chairman, having first joined the company in 1983.

Informa stated that: “In line with his contractual entitlements, Peter Rigby will receive a bonus equivalent to 100% of his base salary for the financial year ended 31 December 2013. As a good leaver under the provisions of the Long-Term Incentive Plan and the Deferred Share Bonus Plan, he has received a pro-rata vesting of 61,763 shares and all his 41,541 deferred share bonus plan shares. In addition 927 shares will be released from the Share Incentive Plan after 31 December 2013.”

His successor as CEO is Stephen Carter, who became CEO-designate in the Autumn, having left Alcatel Lucent where he was president/managing director EMEA and group director of strategy, marketing and communications. Among previous roles, he was the founding chief executive of UK communications regulator Ofcom and former chief executive of WPP company J Walter Thompson UK.

Alongside Rigby and Walker’s departures, Informa announced that Pamela Kirby had stepped down as chair of the company’s remuneration committee, and that Geoffrey Cooper would take up that role with immediate effect.