Principal Financial Group is a Fortune 500 company that has been in business for 134 years. It provides retirement savings, investment, and insurance solutions to 19.1 million customers worldwide. It uses non-GAAP financial measures to evaluate performance in addition to GAAP measures. While these non-GAAP measures are useful for investors, they are not a substitute for GAAP measures. Principal Financial Group has over $456 billion in assets under management across its four business segments and has an experienced management team led by its long-tenured CEO.