<Page>
Pricing Supplement dated OCTOBER 25, 2001 Rule 424(b)(3)
(To Prospectus dated December 21, 1999 and File No. 333-90457
Prospectus Supplement dated January 7, 2000)
NATIONAL CONSUMER COOPERATIVE BANK
Medium-Term Notes
Due from 9 Months to 30 Years from Date of Issue
Floating Rate
<Table>
<Caption>
--------------------------------------------------------------------------------------------------------------------
Principal Amount: $8,000,000 Initial Interest Rate: 3 MO. LIBOR + 2.00%
Agent's Discount or Commission: $20,000 (.25%) Original Issue Date: OCTOBER 29, 2001
Net Proceeds to Issuer: $7,980,000 Stated Maturity Date: OCTOBER 29, 2003
CUSIP: 63554EAK3
--------------------------------------------------------------------------------------------------------------------
Calculation Agent: BANC ONE
</Table>
Interest Rate Basis or Bases:
/ / CD Rate / / Prime Rate / / Federal Funds Rate
/ / Commercial Paper Rate /X/ LIBOR / / Treasury Rate
/ / Other (see attached) / / CMT Rate
If LIBOR:
/ / LIBOR Reuters
Page:
/X/ LIBOR TELERATE
PAGE: 3750
Designated LIBOR Currency:
If CMT Rate:
Designated CMT Telerate Page:
If Telerate Page 7052:
/ / Weekly Average
/ / Monthly Average
Designated CMT Maturity Index:
Initial Interest Reset Date: OCTOBER 29, 2001 Spread (+/-): + 2.00%
Interest Reset Dates: 29TH OF JAN, APR, JULY & OCT Spread Multiplier:
Interest Reset Period: QUARTERLY Maximum Interest Rate:
Interest Payment Period: QUARTERLY Minimum Interest Rate:
Interest Payment Dates:
/ / May 1 and November 1
/X/ other: 29TH OF JAN, APR, JULY & OCT
Regular Record Date(s)
(If other than April 15 and October 15):
CLOSE OF BUSINESS 1 NY BUSINESS DAY PRIOR TO THE PAYMENT DATE
Index Maturity:
Calculation Agent:
Exchange Rate Agent:
Day Count Convention:
/X/ ACTUAL/360 FOR THE PERIOD FROM 10/29/01 TO 10/29/03
/ / Actual/Actual for the period from _______ to _______
/ / 30/360 for the period from _______ to _______
Redemption:
/X/ The Notes cannot be redeemed prior to the Stated Maturity Date.
/ / The Notes can be redeemed prior to Stated Maturity Date.
Initial Redemption Date:
Initial Redemption Percentage: ____%
Annual Redemption Percentage Reduction ____% until Redemption
Percentage is 100% of the Principal Amount.
Repayment:
/X/ The Notes cannot be repaid prior to the Stated Maturity Date.
/ / The Notes can be repaid prior to the Stated Maturity Date at the
option of the holder of the Notes.
<Page>
/ / Optional Repayment Date(s):
Currency:
Specified Currency: ___________________ (if other than U.S. dollars,
see attached)
Minimum Denominations: ______________ (applicable only if Specified
Currency is other than U.S. dollars)
Authorized Denomination
(If other than $1,000 and integral multiples thereof):
Original Issue Discount: / / Yes /X/ No
Issue Price: %:
Agent:
/ / Credit Suisse First Boston Corporation.
/ / Banc of America Securities LLC
/ / Banc One Capital Markets, Inc.
/ / SPP Capital Partners, LLC
/X/ Other MORGAN STANLEY & CO., INC.
Agent acting in the capacity as indicated below:
/ / Agent /X/ Principal
If as Principal:
/ / The Notes are being offered at varying prices related to
prevailing market prices at the time of resale.
/X/ The Notes are being offered at a fixed initial public offering
price of 100% of the Principal Amount.
If as Agent:
The Notes are being offered at a fixed initial public offering price
of ____% of the Principal Amount.
Other provisions:
TERMS ARE NOT COMPLETED FOR CERTAIN ITEMS ABOVE BECAUSE
SUCH ITEMS ARE NOT APPLICABLE.
<Page>
Pricing Supplement dated OCTOBER 25, 2001 Rule 424(b)(3)
(To Prospectus dated December 21, 1999 and File No. 333-90457
Prospectus Supplement dated January 7, 2000)
NATIONAL CONSUMER COOPERATIVE BANK
Medium-Term Notes
Due from 9 Months to 30 Years from Date of Issue
Floating Rate
<Table>
<Caption>
--------------------------------------------------------------------------------------------------------------------
Principal Amount: $6,000,000 Initial Interest Rate: 3 MO. LIBOR + 2.00%
Agent's Discount or Commission: $15,000 (.25%) Original Issue Date: OCTOBER 29, 2001
Net Proceeds to Issuer: $5,985,000 Stated Maturity Date: OCTOBER 29, 2003
CUSIP: 63554EAK3
--------------------------------------------------------------------------------------------------------------------
Calculation Agent: BANC ONE
</Table>
Interest Rate Basis or Bases:
/ / CD Rate / / Prime Rate / / Federal Funds Rate
/ / Commercial Paper Rate /X/ LIBOR / / Treasury Rate
/ / Other (see attached) / / CMT Rate
If LIBOR:
/ / LIBOR Reuters
Page:
/X/ LIBOR TELERATE
PAGE: 3750
Designated LIBOR Currency:
If CMT Rate:
Designated CMT Telerate Page:
If Telerate Page 7052:
/ / Weekly Average
/ / Monthly Average
Designated CMT Maturity Index:
Initial Interest Reset Date: OCTOBER 29, 2001 Spread (+/-): + 2.00%
Interest Reset Dates: 29TH OF JAN, APR, JULY & OCT Spread Multiplier:
Interest Reset Period: QUARTERLY Maximum Interest Rate:
Interest Payment Period: QUARTERLY Minimum Interest Rate:
Interest Payment Dates:
/ / May 1 and November 1
/X/ other: 29TH OF JAN, APR, JULY & OCT
Regular Record Date(s)
(If other than April 15 and October 15):
CLOSE OF BUSINESS 1 NY BUSINESS DAY PRIOR TO THE PAYMENT DATE
Index Maturity:
Calculation Agent:
Exchange Rate Agent:
Day Count Convention:
/X/ ACTUAL/360 FOR THE PERIOD FROM 10/29/01 TO 10/29/03
/ / Actual/Actual for the period from _______ to _______
/ / 30/360 for the period from _______ to _______
Redemption:
/X/ The Notes cannot be redeemed prior to the Stated Maturity Date.
/ / The Notes can be redeemed prior to Stated Maturity Date.
Initial Redemption Date:
Initial Redemption Percentage: ____%
Annual Redemption Percentage Reduction ____% until Redemption
Percentage is 100% of the Principal Amount.
Repayment:
/X/ The Notes cannot be repaid prior to the Stated Maturity Date.
/ / The Notes can be repaid prior to the Stated Maturity Date at the
option of the holder of the Notes.
<Page>
/ / Optional Repayment Date(s):
Currency:
Specified Currency: ___________________ (if other than U.S. dollars,
see attached)
Minimum Denominations: ______________ (applicable only if Specified
Currency is other than U.S. dollars)
Authorized Denomination
(If other than $1,000 and integral multiples thereof):
Original Issue Discount: / / Yes /X/ No
Issue Price: %:
Agent:
/ / Credit Suisse First Boston Corporation.
/ / Banc of America Securities LLC
/ / Banc One Capital Markets, Inc.
/ / SPP Capital Partners, LLC
/X/ Other: WACHOVIA SECURITIES
"First Union Securities, Inc. ("FUSI"), a subsidiary of Wachovia Corporation,
conducts its investment banking, institutional, and capital markets businesses
under the trade name of Wachovia Securities. Any references to "Wachovia
Securities" in this Prospectus, however, do not include Wachovia Securities,
Inc., a separate broker-dealer subsidiary of Wachovia Corporation and sister
affiliate of FUSI which may or may not be participating as a separate selling
dealer in the distribution of the Securities."
Agent acting in the capacity as indicated below:
/ / Agent /X/ Principal
If as Principal:
/ / The Notes are being offered at varying prices related to
prevailing market prices at the time of resale.
/X/ The Notes are being offered at a fixed initial public offering
price of 100% of the Principal Amount.
If as Agent:
The Notes are being offered at a fixed initial public offering price
of ____% of the Principal Amount.
Other provisions:
TERMS ARE NOT COMPLETED FOR CERTAIN ITEMS ABOVE BECAUSE
SUCH ITEMS ARE NOT APPLICABLE.
<Page>
Pricing Supplement dated OCTOBER 25, 2001 Rule 424(b)(3)
(To Prospectus dated December 21, 1999 and File No. 333-90457
Prospectus Supplement dated January 7, 2000)
NATIONAL CONSUMER COOPERATIVE BANK
Medium-Term Notes
Due from 9 Months to 30 Years from Date of Issue
Floating Rate
<Table>
<Caption>
-------------------------------------------------------------------------------------------------------------------
Principal Amount: $5,000,000 Initial Interest Rate: 3 MO. LIBOR + 2.00%
Agent's Discount or Commission: $12,500 (.25%) Original Issue Date: OCTOBER 29, 2001
Net Proceeds to Issuer: $4,987,500 Stated Maturity Date: OCTOBER 29, 2003
CUSIP: 63554EAK3
--------------------------------------------------------------------------------------------------------------------
Calculation Agent: BANC ONE
</Table>
Interest Rate Basis or Bases:
/ / CD Rate / / Prime Rate / / Federal Funds Rate
/ / Commercial Paper Rate /X/ LIBOR / / Treasury Rate
/ / Other (see attached) / / CMT Rate
If LIBOR:
/ / LIBOR Reuters
Page:
/X/ LIBOR TELERATE
PAGE: 3750
Designated LIBOR Currency:
If CMT Rate:
Designated CMT Telerate Page:
If Telerate Page 7052:
/ / Weekly Average
/ / Monthly Average
Designated CMT Maturity Index:
Initial Interest Reset Date: OCTOBER 29, 2001 Spread (+/-): + 2.00%
Interest Reset Dates: 29TH OF JAN, APR, JULY & OCT Spread Multiplier:
Interest Reset Period: QUARTERLY Maximum Interest Rate:
Interest Payment Period: QUARTERLY Minimum Interest Rate:
Interest Payment Dates:
/ / May 1 and November 1
/X/ other: 29TH OF JAN, APR, JULY & OCT
Regular Record Date(s)
(If other than April 15 and October 15):
CLOSE OF BUSINESS 1 NY BUSINESS DAY PRIOR TO THE PAYMENT DATE
Index Maturity:
Calculation Agent:
Exchange Rate Agent:
Day Count Convention:
/X/ ACTUAL/360 FOR THE PERIOD FROM 10/29/01 TO 10/29/03
/ / Actual/Actual for the period from _______ to _______
/ / 30/360 for the period from _______ to _______
Redemption:
/X/ The Notes cannot be redeemed prior to the Stated Maturity Date.
/ / The Notes can be redeemed prior to Stated Maturity Date.
Initial Redemption Date:
Initial Redemption Percentage: ____%
Annual Redemption Percentage Reduction ____% until Redemption
Percentage is 100% of the Principal Amount.
Repayment:
/X/ The Notes cannot be repaid prior to the Stated Maturity Date.
/ / The Notes can be repaid prior to the Stated Maturity Date at the
option of the holder of the Notes.
<Page>
/ / Optional Repayment Date(s):
Currency:
Specified Currency: ___________________ (if other than U.S. dollars,
see attached)
Minimum Denominations: ______________ (applicable only if Specified
Currency is other than U.S. dollars)
Authorized Denomination
(If other than $1,000 and integral multiples thereof):
Original Issue Discount: / / Yes /X/ No
Issue Price: %:
Agent:
/X/ Credit Suisse First Boston Corporation.
/ / Banc of America Securities LLC
/ / Banc One Capital Markets, Inc.
/ / SPP Capital Partners, LLC
/ / Other _______________
Agent acting in the capacity as indicated below:
/ / Agent /X/ Principal
If as Principal:
/ / The Notes are being offered at varying prices related to
prevailing market prices at the time of resale.
/X/ The Notes are being offered at a fixed initial public offering
price of 100% of the Principal Amount.
If as Agent:
The Notes are being offered at a fixed initial public offering price
of ____% of the Principal Amount.
Other provisions:
TERMS ARE NOT COMPLETED FOR CERTAIN ITEMS ABOVE BECAUSE
SUCH ITEMS ARE NOT APPLICABLE.