X0306 4 2016-02-12 0001126328 PRINCIPAL FINANCIAL GROUP INC PFG 0001565742 Dunbar Timothy Mark 711 HIGH STREET DES MOINES IA 50392 0 1 0 0 EVP & Chief Investment Officer Phantom Stock Units 2016-02-12 4 A 0 13.9 35.38 A Common Stock 13.9 5548.8 D The units convert to common stock on a one-for-one basis. Acquired pursuant to the Principal Financial Group, Inc. Select Savings Excess Plan and may be transferred at any time into another investment alternative under that plan. Interests under the plan will be settled upon the reporting person's retirement or other termination of service. Patrick A. Kirchner, by Power of Attorney 2016-02-16