(1) | Registration Statement (Form S-8 No. 33-13486) pertaining to the 1987 Key Executive Equity Plan; |
(2) | Registration Statement (Form S-8 No. 33-38364) pertaining to the 1989 Employee Stock Incentive Plan; |
(3) | Registration Statement (Form S-8 No. 333-05907) pertaining to the 1996 Stock Incentive Plan; |
(4) | Registration Statement (Form S-8 No. 333-56935) pertaining to the 1998 Stock Incentive Plan; |
(5) | Registration Statement (Form S-8 No. 333-103270) pertaining to the 2001 Stock Incentive Plan; |
(6) | Registration Statement (Form S-8 No. 333-145318) pertaining to the 2006 Stock Incentive Plan; |
(7) | Registration Statement (Form S-8 No. 333-172505) pertaining to the 2010 Stock Incentive Plan; and, |
(8) | Registration Statement (Form S-8 No. 333-218347) pertaining to the 2017 Stock Incentive Plan |