Comparison of Cumulative Total Return

Between RPM International Inc. and the S&P 500 Index

This graph compares the cumulative ten-year total return provided shareholders on RPM International Inc.’s common stock relative to the cumulative total return of the S&P 500 Index. An investment of $100 (with reinvestment of all dividends) is assumed to have been made in RPM common stock and the index on 5/31/2008, and their relative performance is tracked through 5/31/2018.

With appreciation in RPM’s stock price, an investment in the company is attractive to both individual and institutional investors. RPM’s total return – share price appreciation plus dividends reinvested – has outpaced the Standard & Poor’s 500 by 16 percent over the past 10 years, as shown in the chart above.