Modified · Information Regarding Non-GAAP Measures and Other

•Acquisition integration costs, which include costs related to certain large acquisitions (including the acquisitions of Willis Towers Watson plc treaty reinsurance brokerage operations (which we refer to as Willis Re), Buck, Cadence Insurance, Inc. (which we refer to as Cadence Insurance), Eastern Insurance Group, LLC (which we refer to as Eastern Insurance), My Plan Manager Group Pty Ltd (which we refer to as My Plan Manager), Woodruff-Sawyer Woodruff Sawyer and AssuredPartners), outside the scope of our usual tuck‐in strategy, are not expected to occur on an ongoing basis in the future once we fully assimilate the applicable acquisition. These costs are typically associated with redundant workforce, compensation expense related to amortization of certain retention bonus arrangements, extra lease space, duplicate services and external costs incurred to assimilate the acquisition into our IT related systems.