AON Aon PLC

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 19, 2018, Aon Corporation, an indirect, wholly owned subsidiary of Aon plc (the “Company”), entered into an amendment (the “Davies Amendment”) to the Employment Agreement dated October 3, 2007, and amended March 27, 2012 and February 20, 2015, with Christa Davies, the Company’s Executive Vice President and Chief Financial Officer (the “Davies Employment Agreement”). The Davies Amendment extends the term of the Davies Employment Agreement, which was originally set to expire on April 1, 2020, to expire on April 1, 2023, unless otherwise terminated in accordance with its terms. The Davies Amendment makes no changes to Ms. Davies’s compensation arrangements, but updates the Davies Employment Agreement to reflect her current base salary of $900,000 per year and her current international assignment arrangement.

On April 20, 2018, the Company and Aon Corporation entered into an amendment (the “Case Amendment”) to the Employment Agreement dated January 16, 2015 with Gregory C. Case, the Company’s President and Chief Executive Officer (the “Case Employment Agreement”). The Case Amendment extends the term of the Case Employment Agreement, which was originally set to expire on April 1, 2020, to expire on April 1, 2023, unless otherwise terminated in accordance with its terms. The Case Amendment makes no changes to Mr. Case’s compensation arrangements, but updates the Case Employment Agreement to reflect his current international assignment arrangement.

The foregoing summaries are qualified in their entirety by reference to the Davies Amendment and the Case Amendment, copies of which are attached hereto as Exhibits 10.1 and 10.2, respectively, and incorporated herein by reference.