1 EXHIBIT 21 KEYCORP SUBSIDIARIES OF THE REGISTRANT AT FEBRUARY 28, 2001 JURISDICTION OF INCORPORATION SUBSIDIARIES(1) OR ORGANIZATION PARENT COMPANY - ---------------------------------------------- ---------------- ---------------------------------- KeyBank National Association United States KeyCorp (1) Subsidiaries of KeyCorp other than KeyBank National Association are not listed above since, in the aggregate, they would not constitute a significant subsidiary. KeyBank National Association is 100% owned by KeyCorp. 16