PRICING SUPPLEMENT NO. 4, DATED: May 7, 2002 RULE 424(b)(2) to Prospectus Supplement Dated November 28, 2001 REGISTRATION STATEMENT NO. 333-73380 to Prospectus Dated November 28, 2001 KEYCORP $25,000,000 [ ] SENIOR MEDIUM-TERM NOTES, SERIES G [X] SUBORDINATED MEDIUM-TERM NOTES, SERIES F [ ] Floating Rate Notes [X] 6.625% Fixed Rate Notes [X] Book-Entry Notes [ ] Certificated Notes Original Issue Date: May 24, 2002 Maturity Date: May 24, 2017 Issue Price: 98% Paying Agent: Deutsche Bank Trust Company Americas Authenticating Agent: Deutsche Bank Trust Company Americas OPTION TO ELECT REDEMPTION: [X] Yes [ ] No OPTION TO EXTEND MATURITY: [ ] Yes [X] No Redemption Date(s): Callable, in whole or in part, Extended Maturity Dates: at KeyCorp's option, upon 30 days' prior notice, Notice of Extension Date(s): monthly beginning on May 24, 2005 and on the 24th day of every month thereafter until the Maturity Date. SPECIFIED CURRENCY (NOT U.S. DOLLARS):[ ] Yes [X] No Initial Redemption Percentage: 100% Authorized Denominations: Annual Redemption Percentage Reduction: N/A Exchange Rate Agency: OPTION TO ELECT REPAYMENT: [ ] Yes [X] No Optional Interest Rate Reset: [ ] Yes [X] No Repayment Date(s): Optional Interest Rate Reset Dates: [ ] Yes [X] No Repayment Price(s): Optional Extension of Maturity: [ ] Yes [X] No Length of Extension Period: [ ] Yes [X] No Repurchase Price (if any): N/A Amortization Schedule (if any): N/A Sinking Fund Defeasance: [ ] Yes [X] No Minimum Denominations: [X]$1,000 [ ] Other: FIXED RATE NOTES ONLY Interest Computation Period: Monthly Interest Payment Dates: Monthly on the 24th day of each month, commencing on June 24, 2002 Regular Record Dates if other than May 31 and November 30: The 1st day of every month. FLOATING RATE NOTES ONLY BASE RATE: [ ] CD Rate [ ] Treasury Rate [ ] Commercial Paper Rate [ ] CMT Rate [ ] Federal Funds Rate [ ] 11th District Cost of Funds Rate [ ] LIBOR [ ] Other (specify): [ ] Prime Rate Initial Interest Rate: Interest Determination Date: Index Maturity: Interest Reset Period: Spread (Plus or minus): Interest Reset Dates: Maximum Interest Rate: Interest Payment Dates: Minimum Interest Rate: Calculation Date: Total Amount of OID: Calculation Agent: Yield to Maturity: Spread Multiplier: Initial Accrual Period OID Telerate Page: and Designated Method: Other Terms (if any): AGENT: [X] Salomon Smith Barney Inc. Agent's Discount or Commission: 2.00% ($500,000) [ ] Banc of America Securities LLC Trade Date: May 7, 2002 [ ] Credit Suisse First Boston Corporation Proceeds to KeyCorp: $24,500,000 [ ] Deutsche Bank Securities Inc. [ ] Goldman, Sachs & Co. [ ] HSBC Securities (USA), Inc. [ ] J.P. Morgan Securities Inc. [ ] Lehman Brothers Inc. [ ] McDonald Investments Inc. [ ] Morgan Stanley & Co. Incorporated [ ] Other _______________________________ [ ] Acting as Agent [ ] Agent is acting as Agent for the sale of Notes by KeyCorp at a price of % of the principal amount [X] Acting as Principal [X] Agent is purchasing Notes from KeyCorp as Principal for resale to investors and other purchasers at: [ ] a fixed public offering price of % of the Principal amount [X] varying prices related to prevailing market prices at the time of resale to be determined by such Agent