
| 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) |
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