LONDON – April 15, 2013 – Aon plc (NYSE: AON) announced today that its Board of Directors has authorized an 11% increase to its annual cash dividend paid quarterly on Aon’s outstanding Class A Ordinary Shares.

Consistent with the increase in the dividend, the Board of Directors has declared a quarterly cash dividend of $0.175 per share on outstanding Class A Ordinary Shares, reflecting an 11% increase from $0.1575 per share. The dividend is payable May 15, 2013 to shareholders of record on May 1, 2013. 

About Aon
Aon plc (NYSE:AON) is the leading global provider of risk management, insurance and reinsurancebrokerage, and human resources solutions and outsourcing services. Through its more than 65,000 colleagues worldwide, Aon unites to empower results for clients in over 120 countries via innovativeand effective risk and people solutions and through industry-leading global resources and technical expertise. Aon has been named repeatedly as the world's best broker, best insurance intermediary, reinsurance intermediary, captives manager and best employee benefits consulting firm by multiple industry sources. Visit www.aon.com for more information on Aon andwww.aon.com/manchesterunited to learn about Aon's global partnership and shirt sponsorship withManchester United.

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