Amendment to Employment Agreement, dated as of July 26, 2021, by and between Aon Corporation and Christa Davies

Exhibit 10.2

AMENDMENT TO EMPLOYMENT AGREEMENT

This Amendment to Employment Agreement (this “Amendment”), effective July 26, 2021, attaches to and forms part of that certain Employment Agreement dated as of October 3, 2007, and as amended effective March 27, 2012, February 20, 2015, and April 19, 2018 (the “Agreement”), between Aon Corporation, a Delaware corporation (the “Company”) and Christa Davies (the “Executive”). Capitalized terms used and not defined herein shall have the meanings ascribed to such terms in the Agreement.

WHEREAS, the Company and the Executive mutually desire to extend the Employment Period for three years as provided in this Amendment.

NOW THEREFORE, in consideration of the premises and the mutual agreements contained herein, the parties hereby agree as follows:

IN WITNESS WHEREOF, the parties hereto have executed this Amendment to the Agreement as of the date set forth above.