Aon

Contact

Aon plc
Aon Center
200 East Randolph Street
Chicago, IL 60601
(312) 381-1000

Aon Hewitt
100 Half Day Road
Deerfield, IL 60015
(847) 295-5000
*Please contact for questions regarding a Retirement/Savings Plan administered by Aon Hewitt

For current/former Aon employees:
Please contact ING for questions regarding the Aon Savings Plan
1-877-269-4015
aon401k.ingplans.com

Please contact Fidelity for questions or enrollment in the Aon Employee Stock Purchase Plan
1-800-544-9354
www.netbenefits.fidelity.com

Investor Relations
Aon plc
c/o Investor Relations
200 East Randolph
Chicago, IL  60601
(312) 381-3310
investor.relations@aon.com

Stock Transfer Agent, Registrar and Dividend Reinvestment Plan Administrator
Computershare Trust Company, N.A. serves as the Company’s stock transfer agent, registrar and administrator of the company’s dividend reinvestment and direct stock purchase plan. Questions and correspondence regarding the shares of common stock that you own in registered form and dividends paid on those shares may be directed to Computershare at the following address:

Via First Class, Registered and Certified Mail:
Computershare
PO Box 43036
Providence RI 02940

Via Overnight Courier:
Computershare
250 Royall Street,
Mail Stop 1A
Canton MA 02021

Via the web: www.computershare.com

Via Telephone:
Within the U.S. and Canada: (855) 231-9429
Outside the U.S. and Canada: (732) 491-0717
TDD/TTY for the hearing impaired: (800) 952-9245

Services available to registered stockholders and participants in the Dividend Reinvestment and Direct Stock Purchase Plan via Computershare’s Investor Centre website include:
- Address Updates
- Manage your dividend payment options and dividend reinvestment options
- Certify your account for tax reporting purposes
- Verify your account balances
- Sell shares (if held in book-entry form)


News by Email
The News-by-Email service will deliver to you via email Aon earnings, dividend and general news releases as they become available. To activate the service, enter your email address below, click on "Submit," and choose from several options for email notification. To verify or modify your options or to unsubscribe, re-enter your email address, and click on "Submit."

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