PRICING SUPPLEMENT NO. 78 Rule 424(b)(3) DATED: October 23, 2001 File No. 333-52902 (To Prospectus dated January 11, 2001, and Prospectus Supplement dated January 11, 2001) $9,015,893,162 THE BEAR STEARNS COMPANIES INC. MEDIUM-TERM NOTES, SERIES B Principal Amount: $20,000,000 Floating Rate Notes [x] Book Entry Notes [x] Original Issue Date: 10/24/2001 Fixed Rate Notes [ ] Certificated Notes [ ] Maturity Date: 10/24/2002 CUSIP#: 073928VM2 Option to Extend Maturity: No [x] Yes [ ] Final Maturity Date: Optional Optional Redemption Repayment Repayment Redeemable On Price(s) Date(s) Price(s) ------------- -------------- ------------- ----------- N/A N/A N/A N/A Applicable Only to Fixed Rate Notes: ----------------------------------- Interest Rate: Interest Payment Dates: Applicable Only to Floating Rate Notes: -------------------------------------- Interest Rate Basis: Maximum Interest Rate: N/A [ ] Commercial Paper Rate Minimum Interest Rate: N/A [ ] Federal Funds Effective Rate [ ] Federal Funds Rate Interest Reset Date(s): Daily [ ] Treasury Rate Interest Reset Period: Daily [ ] LIBOR Reuters Interest Payment Date(s): * [ ] LIBOR Telerate [X] Prime Rate + [ ] CMT Rate Initial Interest Rate: 2.64% Interest Payment Period: Quarterly Index Maturity: N/A Spread (plus or minus): -2.86% + Prime Rate as reported on Telerate Page 5 under the heading "Bank Rates/ Prime". *On the 24th of January, April, July and at Maturity. The distribution of Notes will conform to the requirements set forth in Rule 2720 of the NASD Conduct Rules.