Aon Consulting Worldwide, the global human capital consulting organization of Aon Corporation (NYSE: AOC), announced today the following vice presidents were promoted to senior vice president in their respective practice groups across the country:

  Atlanta
  -- Todd Chambley, Retirement; Southeast Region. In this role, Chambley is
     responsible for consulting with clients on nonqualified plan design,
     implementation and administration as well as managing the Executive
     Benefits division within the practice. He has been with Aon 13 years.

  Boston
  -- Susan Cann, Business Development; Northeast Region. In this role, Cann
     is responsible for continuing to develop new business for the company
     in the New England marketplace. She has been with Aon 17 years.
  -- Matthew Shadrick, Sales Director; Northeast Region. In this role,
     Shadrick is responsible for the region's total sales growth and
     overseeing the region's business developers. He has been with Aon 10
     years.

  Chicago
  -- Gregory Martens, Key Account Manager and Market Leader; Central Region.
     In this role, Martens is responsible for managing Aon Consulting's
     largest clients, overseeing its market strategy, driving sales
    campaigns and attracting and retaining top talent. He has been with Aon
    six years.

  Los Angeles
  -- Bradley Au, Retirement; Central/West Region. In this role, Au is
     responsible for overseeing business development for the practice and
     managing its accounts. He has been with Aon seven years.

  Melville, N.Y.
  -- Brian J. Ruggeberg, Human Capital; Northeast Region. In this role,
     Ruggeberg is responsible for the practice's overall strategy and growth.
     He has been with Aon 11 years.

  Radnor, Pa.
  -- Robert F. Henderson, Retirement; Northeast Region. In this role,
     Henderson is responsible for expanding on his roles as account manager,
     actuary and retirement consultant. He has been with Aon 25 years.
  -- Mark Scarafone, Health and Benefits; Northeast Region. In this role,
     Scarafone is responsible for the overall growth and profitability of
     the local Health and Benefits practice and developing local office
     practice standards. He has been with Aon 12 years.
  -- Tom Vicente, Retirement; Northeast Region. In this role, Tom is
     responsible for overseeing Philadelphia's Retirement practice. He has
     been with Aon 23 years.

  Raleigh, N.C.
  -- Rebecca King, Investment Consulting; Southeast Region. In this role,
     King is responsible for managing Raleigh's Investment Consulting
     practice. She has been with Aon 23 years.

  Rolling Meadows, Ill.
  -- Catherine Rogers; Human Resource Outsourcing; Central/West Region. In
     this role, Rogers is responsible for all business operations of the
     practice, spanning multiple locations and for managing more than 100
    clients. She has been with Aon three years.

  Saint Louis
  -- Kathleen Gantz, Health and Benefits; Central/West Region. In this role,
     Gantz is responsible for overseeing the Health and Benefits practice
     and all client accounts in the region. She has been with Aon three
     years.

  San Francisco
  -- Barbara Weaver Lloyd, Key Account Management; Central/West Region. In
     this role, Weaver Lloyd is responsible for managing relationships for
     the company's large global accounts. She has been with Aon five years.

  Somerset, N.J.
  -- Don Harrington, Key Account Manager; National. In this role, Harrington
     is responsible for the company's mergers and acquisitions transactions
     in North America, including working with Aon's private equity clients
     and assisting Aon's corporate clients with mergers and acquisitions. He
     has been with Aon six years.

  Winston-Salem, N.C.
  -- Robin Hicks, Human Capital; Southeast Region. In this role, Hicks is
     responsible for continuing to manage clients for the region's Human
     Capital practice and for leading communications efforts in the
     Winston-Salem office. She has been with Aon 22 years.
  -- Tonya B. Manning, Retirement; Southeast Region. In this role, Manning
     is responsible for supervising the actuarial intellectual capital
     development across the practice and overseeing the practice's systems
     and continuing education. She has been with Aon 19 years.

  About Aon

Aon Corporation (http://www.aon.com/) is a leading provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. There are 43,000 employees working in Aon's 500 offices in more than 120 countries. Backed by broad resources, industry knowledge and technical expertise, Aon professionals help a wide range of clients develop effective risk management and workforce productivity solutions.

About Aon Consulting Worldwide

Aon Consulting Worldwide (http://www.aon.com/hcc) is among the top global human capital consulting firms, with 2006 revenues of $1.282 billion and 6,500 professionals in 117 offices worldwide. Aon Consulting is reshaping the workplace of the future through benefits, talent management and rewards strategies and solutions. In 2006 and 2007, Aon Consulting was named the best employee benefit consulting firm by the readers of Business Insurance magazine.

This press release contains certain statements related to future results, or states our intentions, beliefs and expectations or predictions for the future which are forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from either historical or anticipated results depending on a variety of factors. Potential factors that could impact results include: general economic conditions in different countries in which we do business around the world, changes in global equity and fixed income markets that could affect the return on invested assets, fluctuations in exchange and interest rates that could influence revenue and expense, rating agency actions that could affect our ability to borrow funds, funding of our various pension plans, changes in the competitive environment, our ability to implement restructuring initiatives and other initiatives intended to yield cost savings, our ability to successfully execute strategic options for our Combined Insurance subsidiary, the impact of current, pending and future regulatory and legislative actions that affect our ability to market and sell, and be reimbursed at current levels for, our Sterling subsidiary's Medicare Advantage health plans, changes in commercial property and casualty markets and commercial premium rates that could impact revenues, changes in revenues and earnings due to the elimination of contingent commissions, other uncertainties surrounding a new compensation model, the impact of investigations brought by state attorneys general, state insurance regulators, federal prosecutors, and federal regulators, the impact of class actions and individual lawsuits including client class actions, securities class actions, derivative actions, ERISA class actions, the impact of the analysis of practices relating to stock options, the cost of resolution of other contingent liabilities and loss contingencies, and the difference in ultimate paid claims in our underwriting companies from actuarial estimates. Further information concerning the Company and its business, including factors that potentially could materially affect the Company's financial results, is contained in the Company's filings with the Securities and Exchange Commission.

  For further information, contact:
  Raphaele Schnoll
  312.755.3592
  raphaele.schnoll@kemperlesnik.com

First Call Analyst:
FCMN Contact:

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SOURCE: Aon Corporation

CONTACT: Raphaele Schnoll, +1-312-755-3592,
raphaele.schnoll@kemperlesnik.com, for Aon Corporation

Web site: http://www.aon.com/