| | Stock Split History |  |
| Date Paid | Amount | One Share Became | | March 1959 | 100% | 2 shares | | April 1962 | 200% | 6 shares | | Dec. 1967 | 50% | 9 shares | | May 1970 | 50% | 13.5 shares | | May 1972 | 100% | 27 shares | | April 1979 | 50% | 40.5 shares | | April 1984 | 50% | 60.75 shares | | May 1987 | 50% | 91.125 shares | | April 1992 | 50% | 139.69 shares | | April 1997 | 50% | 205.04 shares |
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