Filed Pursuant to Rule 424(b)(3)
                                                     Registration No.  333-63976
                                                      Registration No. 333-67988
              Trust Preferred Income Equity Redeemable  Securities (PIERS) Units
                                                          CUSIP No.  939322 84 8
          Warrants to purchase shares of Washington  Mutual,  Inc. Common  Stock
                                                        CUSIP  No.  939322  11 1
          Trust  Preferred  Securities issued by Washington Mutual Capital Trust
                                                      2001 CUSIP No. 93933U 40 7

PROSPECTUS SUPPLEMENT DATED DECEMBER 12, 2001
(TO PROSPECTUS DATED SEPTEMBER 4, 2001)

                             WASHINGTON MUTUAL, INC.

               Trust Preferred Income Equity Redeemable Securities
                                  (PIERS) Units

This document  supplements the prospectus  dated September 4, 2001,  relating to
the units. Each unit consists of:

         o        a preferred security issued by Washington Mutual Capital Trust
                  2001 (the "Trust"), having a stated liquidation amount of $50,
                  representing an undivided beneficial interest in the assets of
                  the  Trust,   which  assets  consist  solely  of  subordinated
                  debentures issued by Washington Mutual, Inc. each of which has
                  a principal  amount at  maturity of $50, a stated  maturity of
                  July 1, 2041 and, at any time, an accreted  value as described
                  in the prospectus; and

         o        a  warrant  to  purchase  at any time  prior  to the  close of
                  business  on May 3,  2041,  1.2081  shares of common  stock of
                  Washington  Mutual.  The exercise price of each warrant on the
                  initial  date of  issuance  was $32.33  and will  accrete on a
                  daily  basis  as  described  in the  prospectus  to $50 on the
                  expiration date.

At any time after  issuance of the units,  the  preferred  security  and warrant
components  of  each  unit  may be  separated  by  the  holder  and  transferred
separately.  Thereafter,  a  separated  preferred  security  and  warrant may be
combined to form a unit.

The information in this  prospectus  supplements the information set forth under
the heading "Selling Securityholders" in the prospectus dated September 4, 2001.
Bear,  Stearns & Co. Inc. is added to the list of Selling  Securityholders,  and
the number of units that may be sold pursuant to the  Registration  Statement is
as set forth opposite such company's name.

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          Selling Securityholder             Securities Beneficially Owned Prior to the      Securities That May be Sold
                                                                Offering                              Hereunder
                                                  Number                   Type
                                                                                              
Bear, Stearns & Co. Inc. . . . . . . . .          113,500                  Units                       113,500


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"Preferred  Income Equity  Redeemable  Securities" and "PIERS" are service marks
owned by Lehman Brothers Inc.

     NEITHER THE  SECURITIES AND EXCHANGE  COMMISSION  NOR ANY STATE  SECURITIES
COMMISSION  HAS APPROVED OR DISAPPROVED  THESE  SECURITIES OR DETERMINED IF THIS
PROSPECTUS  IS TRUTHFUL OR  COMPLETE.  ANY  REPRESENTATION  TO THE CONTRARY IS A
CRIMINAL OFFENSE.

     THESE SECURITIES OFFERED HEREBY ARE NOT SAVINGS ACCOUNTS, DEPOSITS OR OTHER
OBLIGATIONS  OF ANY  BANK OR  SAVINGS  ASSOCIATION  AND ARE NOT  INSURED  BY THE
FEDERAL  DEPOSIT  INSURANCE  CORPORATION,  THE BANK INSURANCE  FUND, THE SAVINGS
ASSOCIATION INSURANCE FUND OR ANY OTHER GOVERNMENTAL AGENCY.

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