Principal* Fourth Quarter 2021 Earnings Call Presentation P R I N C I P A L F I N A N C I A L G R O U P February 8, 2022 Use of non-GAAP financial measures A non-GAAP financial measure is a numerical measure of performance, financial position, or cash flow that includes adjustments from a comparable financial measure presented in accordance with U.S. GAAP. The company uses a number of non-GAAP financial measures management believes are useful to investors because they illustrate the performance of the compa ...