Share Buyback Program Here are the most recent initiatives: Common shares November 2006-2007 program # shares authorized to be purchased: 18.8 Million # shares purchased: 9.8 Million Average purchase price: $47.42US June 2000-2001 program # shares authorized to be purchased: 21.8 Million # shares purchased: 16.6 Million Average purchase price: $31.93US September 1998-1999 program # shares authorized to be purchased: 22.7 Million # shares purchased: 10.6 Million Average purchase price: $25.06US October 1990-1991 program # shares authorized to be purchased: 15.0 Million # shares purchased: 5.4 Million Average purchase price: $20.02US October 1989-1990 program # shares authorized to be purchased: 15.0 Million # shares purchased: 1.6 Million Average purchase price: $19.92US October 1988-1989 program # shares authorized to be purchased: 15.0 Million # shares purchased: 10.3 Million Average purchase price: $20.60US

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