As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 6/25/19  Woo Carolyn Y                     4          Director²   1:4K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Santona Gloria                    4          Director²   1:4K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Notebaert Richard C               4          Director²   1:5K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Myers Richard B                   4          Director²   1:5K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Losh J Michael                    4          Director²   1:5K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Francis Cheryl A                  4          Director²   1:4K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Conti Fulvio                      4          Director²   1:6K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Campbell Jeffrey C                4          Director²   1:4K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Cai Jin-Yong                      4          Director²   1:6K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Knight Lester B                   4          Director²   1:5K   Aon plc                           DONNELLEY FIN… File16/FA 
 6/25/19  Aon plc                           8-K:5,9     6/21/19    3:69K                                    Donnelley … Solutions/FA 
 4/26/19  Aon plc                           DEF 14A     6/21/19    1:3.6M                                   Donnelley … Solutions/FA 
  4/1/19  Aon plc                           PRE 14A     6/21/19    1:3.5M                                   Donnelley … Solutions/FA 

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¹	Filing/Form Types:  -K
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	PRE 14A	Preliminary Proxy Statement — Schedule 14A.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.