 DUBLIN , Jan. 9, 2023 PRNewswire -- Aon plc NYSE: AON, a leading global professional services firm, plans to announce fourth quarter and full year 2022 results on Friday, February 3 rd, 2023 in a news release to be issued at 5:00 am Central Time. Greg Case, CEO, will host a conference call at 7:30 am Central Time on Friday, February 3rd, 2023. 