Filed Pursuant to Rule 424(b)(3)
Registration No. 333-72662
SUPPLEMENT TO PROSPECTUS SUPPLEMENT DATED JANUARY 8, 2002
$1,000,000,000
Washington Mutual, Inc.
55/8% Senior Notes due January 15, 2007
This supplement amends and should be attached to the cover page of the Washington Mutual, Inc. prospectus supplement dated January 8, 2002 to the prospectus dated January 8, 2002.
Notwithstanding anything to the contrary in the accompanying prospectus supplement, the International Security Identification Number (ISIN) contained in the seventh paragraph of page S-19 should read as follows:
US939322AG85
The date of this supplement is January 9, 2002.