Highest Performance Quarter (2Q 2020): 32.22% Lowest Performance Quarter (2Q 2022): -23.70%

<table><tr><td>Average Annual Total Returns For the calendar year ended December 31, 2024</td><td>1 year</td><td>5 years</td><td>10 years</td><td>Since Inception</td><td>Inception Date</td></tr><tr><td>Investor Class Return Before Taxes</td><td>29.55%</td><td>18.27%</td><td>16.44%</td><td>—</td><td>11/02/1981</td></tr><tr><td>Return After Taxes on Distributions</td><td>28.52%</td><td>16.86%</td><td>15.00%</td><td>—</td><td>11/02/1981</td></tr><tr><td>Return After Taxes on Distributions and Sale of Fund Shares</td><td>18.28%</td><td>14.57%</td><td>13.44%</td><td>—</td><td>11/02/1981</td></tr><tr><td>I Class Return Before Taxes</td><td>29.81%</td><td>18.50%</td><td>16.67%</td><td>—</td><td>11/14/1996</td></tr><tr><td>Y Class1 Return Before Taxes</td><td>29.99%</td><td>18.68%</td><td>16.85%</td><td>—</td><td>04/10/2017</td></tr><tr><td>A Class Return Before Taxes</td><td>21.78%</td><td>16.58%</td><td>15.46%</td><td>—</td><td>10/02/1996</td></tr></table>