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Aon Hewitt comments on latest RPI and CPI figures announced by the Office for National Statistics

LONDON, 16 October 2012 - Aon Hewitt, the human resource solutions business of Aon plc (NYSE:AON) has commented on the latest RPI and CPI annual inflation figures announced today by the Office for National Statistics (ONS).

Lynda Whitney, partner at Aon Hewitt, said:

“The current gap between the RPI & CPI figures of 0.4% shows the impact of both the ‘formula effect’,  (the difference in approach used by RPI and CPI to combine the prices collected), and the difference between baskets – for example, the inclusion of housing costs, such as mortgage interest payments, in RPI. 

"If, as is in the ONS consultation, the formula effect is reduced by, say  0.5% (ONS's middle options) then although we might still expect RPI to be above CPI on average, there could be months when RPI is below CPI, depending on the rate of price inflation in the different baskets. This means that after 2 years of debate about RPI and CPI if the ONS do make the expected changes to RPI early next year, there is still no guarantee which measure is better for pension scheme members to be linked to.”


Media Contact: 

Colin Mayes                                      Giles Abbott
Aon Hewitt                                          Capital MSL
01372 733689                                   020 7307 5340
colin.mayes@aonhewitt.com        giles.abbott@capitalmsl.com


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About Aon Hewitt
Aon Hewitt is the global leader in human resource solutions.  The company partners with organisations to solve their most complex benefits, talent and related financial challenges, and improve business performance.  Aon Hewitt designs, implements, communicates and administers a wide range of human capital, retirement, investment management, health care, compensation and talent management strategies.  With more than 29,000 professionals in 90 countries, Aon Hewitt makes the world a better place to work for clients and their employees.  For more information on Aon Hewitt, please visit www.aonhewitt.com.

About Aon
Aon plc (NYSE: AON) is the leading global provider of risk management, insurance and reinsurance brokerage, and human resources solutions and outsourcing services. Through its more than 61,000 colleagues worldwide, Aon unites to empower results for clients in over 120 countries via innovative and 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

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