2008-04-12 11:50:39 -

- As previously announced, Washington Mutual, Inc. (NYSE:WM) will release the company's first quarter 2008 earnings on Tuesday, April 15, 2008, following the close of the New York Stock Exchange. The company will also hold its Annual Meeting of Shareholders at 4 p.m. ET on Tuesday, April 15, 2008. A live audio webcast of the meeting will be available on

the Investor Relations portion of the company's website at www.wamu.com/ir.

A conference call to discuss the company's financial results will now be held on Tuesday, April 15, 2008, at 6:30 pm ET, hosted by Kerry Killinger, chairman and chief executive officer, and Tom Casey, executive vice president and chief financial officer. The conference call will be available by telephone or on the Internet.

The dial-in number for the live conference call is 888-391-7808. Participants calling from outside the United States may dial 630-395-0029. The passcode "WaMu" is required to access the call. Participants may access the live audio webcast by going to the Investor Relations portion of the company's web site at www.wamu.com/ir.

A recording of the conference call will be available from approximately 8:30 pm ET on Wednesday, Apr. 16, 2008, through 11:59 pm ET on Friday, April 25, 2008. The recorded message will be available at 866-360-3314. Callers from outside the United States may dial 203-369-0168.

About WaMu

WaMu, through its subsidiaries, is one of the nation's leading consumer and small business banks. At December 31, 2007, WaMu and its subsidiaries had assets of $327.91 billion. The company has a history dating back to 1889 and its subsidiary banks currently operate approximately 2,500 consumer and small business banking stores throughout the nation. WaMu's financial reports and news releases are available at www.wamu.com/ir.

WaMu Media Contact
Derek Aney, 206-500-6094 or 212-326-6075
derek.aney@wamu.net
or
WaMu Investor Relations Contact
Alan Magleby, 206-500-4148 or 212-702-6955
alan.magleby@wamu.net