UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

 

CURRENT REPORT

 

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

 

Date of report (Date of earliest event reported): May 12, 2005

Aon Corporation
(Exact Name of Registrant as Specified in Charter)

 

Delaware

 

1-7933

 

36-3051915

(State or Other Jurisdiction
of Incorporation)

 

(Commission File Number)

 

(IRS Employer
Identification No.)

 

 

 

 

 

200 East Randolph Street, Chicago, Illinois

 

60601

(Address of Principal Executive Offices)

 

(Zip Code)

 

Registrant’s telephone number, including area code: (312) 381-1000

 

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

 

                Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

o                                    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o                                    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o                                    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o                                    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 


 

Item 7.01.  Regulation FD Disclosure.

 

                On May 12, 2005, Aon Corporation will deliver an investor presentation that includes the material attached to this Current Report on Form 8-K as Exhibit 99.1.

 

Item 9.01. Financial Statements and Exhibits.

 

(a)–(b)    Not applicable.

 

(c)            Exhibits:

 

Exhibit Number 

 

Description of Exhibit

99.1

 

Investor Presentation Material.

 

2


 

SIGNATURES

 

                Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

 

Aon CORPORATION

 

 

 

 

 

By:  

/s/ Richard E. Barry

 

 

 

Richard E. Barry

 

 

 

Vice President and Deputy General Counsel

 

 

 

 

 

Date: May 12, 2005

 

 

 

 

3


 

EXHIBIT INDEX

 

Exhibit Number

 

Description of Exhibit

99.1

 

Investor Presentation Material

 

4