| 1 | KEBX | Ronald L. Boothman Remainder Trust | added 4/1984; 1/1994-7/2005; eliminated 4/2008; eliminated 7/2008 | | NAKINA |
| 2 | KEBX | Manufacturers Leasing Corp. | added 4/1962; 7/1965-1/1980; eliminated 4/1984 | | NAKINA |
| 3 | KEBX | Ronald L. Boothman Remainder Trust | added 4/84; 1/94-7/2000 | | NRHS |
| 4 | KEBX | Manufacturers Leasing Corp. | added 4/62; 7/65-1/80; eliminated 4/84 | | NRHS |
| 5 | KEBX | *MANUFACTURERS LEASING CORP. | | | PWRC |
| 6 | KEBX | +RONALD L. BOOTHMAN REMAINDER TRUST [KOPPERS CO. - LESSEE] | | | PWRC |
| 7 | KEBX | Ronald L. Boothman Remainder Trust | | | RSRV |
