1 --------------------------- OMB APPROVAL --------------------------- -------- OMB Number: 3235-0104 FORM 3 Expires: December 31, 2001 -------- Estimated average burden hours per response .... 0.5 --------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 (Print or Type Responses) ----------------------------------------------------------------------------------------------------------------------------------- 1. Name and Address of Reporting Person* 2. Date of Event Requiring 4. Issuer Name and Ticker or 6. If Amendment, Date Washington Mutual, Inc. Statement Trading Symbol of Original ---------------------------------------- (Month/Day/Year) Dime Bancorp, Inc. (DME) (Month/Day/Year) (Last) (First) (Middle) June 25, 2001 ------------------------------- ---------------------------- 1201 Third Avenue ---------------------------- 5. Relationship of Reporting 7. Individual or Joint/Group Person(s) to Issuer Filing (Check Applicable Line) ---------------------------------------- 3. IRS Identification (Check all applicable) x Form filed by One Reporting (Street) Number of Reporting ------ Director X -- Person Person, if an entity ------ Officer ----- 10% Owner -- Form filed by more than (voluntary) (give title below) ----- Other One Reporting Person Seattle, Washington 98101 91-1653725 (specify) -------------------------------------- ---------------------------- -------------------------------------------------------------- (City) (State) (Zip) ------------------------- ----------------------------------------------------------------------------------------------------------------------------------- TABLE I -- NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED ----------------------------------------------------------------------------------------------------------------------------------- 1. Title of Security 2. Amount of Securities 3. Ownership Form: 4. Nature of Indirect (Instr. 4) Beneficially Owned Direct (D) or Beneficial (Instr. 4) Indirect (I) Ownership (Instr. 5) (Instr. 5) ----------------------------------------------------------------------------------------------------------------------------------- Dime Bancorp, Inc. Common Stock, $0.01 par value 0 (see Note 1) ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) SEC 1473 (3/99)

*If the form is filed by more than one reporting person, see Instruction 5(b)(v). POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER. 2

FORM 3 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) ------------------------------------------------------------------------------------------------------------------------------------ | 1. Title of Derivative |Security 2. Date ~~Exer- |~~ 3. Title and Amount of | 4. ~~Conversion~~Conver- | 5. ~~Ownership~~Owner- | 6. Nature of |Indirect ~~| Security~~ (Instr. 4) |Exercisable ~~cisable~~ and | Securities Underlying |sion or ~~Exercise~~ship |Beneficial ~~Form~~Ownership ~~of | Indirect | | |~~ Expiration |Date Derivative Security |Exercise ~~Price~~Form of ~~| Derivative | Beneficial | | | Date |~~ (Instr. 45) ~~| Derivative | Security: | Ownership | | | | | Security | Direct~~ (D)Month/Day/ | (Instr. 54) |Price |of |Deriv- ~~(Month/Day/~~Year) |Deri- |ative |vative orSecurity: |Security |Direct ~~| | | | | Indirect | | | |~~---------------------|----------------------------~~--|~~ | (ID) |or ~~| | |~~ Date | Expira- ~~| |~~ Amount |or |Indirect (~~Instr.~~I) ~~| | | | Exer~~Exercis- | tion | Title |Number or(Instr. ~~| |~~ 5) |able ~~| | | cisable |~~ Date ~~| | Number | | | | | | | | |~~ of ~~| | | | | | | | |~~ Shares |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ |----------------------------|-----------|---------|-----------------|------------|----------------|---------------|---------------|--------- |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ |------------------------------------------------------------------------------------------------------------------------------------ ~~| | | | | Series B Preferred Stock | (2) | (2) | Common Stock | 13,607,664 | | I | Partnership | | (2) | | | | | | | | | | | | | | | | | |~~----------------------------|-----------|---------|-----------------|------------|----------------|---------------|---------------|--------- | | | | | | | | | | Warrant to Purchase | July 6, | July 6, | Series C | 8,142.738 | $21.50 (5) | I | Partnership | | Series C Preferred Stock | 2000 | 2007 | Preferred Stock | | | | | | (3) | | | (4) | | | | | | | | | | | | | | |----------------------------|-----------|---------|-----------------|------------|----------------|---------------|---------------|--------- |Explanation |of |Responses: |Note |1: |On |June |25, |2001, |Washington ~~Warrant~~Mutual, toInc. ("Washington Mutual") entered into a Warrant Purchase |and ~~July~~Voting 6Agreement with Warburg, |Pincus ~~July~~Equity 6Partners, |L.P., ~~Series~~Warburg, DPincus |Netherlands 5Equity Partners I,~~464~~ C.~~926~~V., |Warburg ~~$21~~Pincus Netherlands Equity Partners II, C.50V. and Warburg, Pincus Netherlands Equity Partners III, C.V. (5collectively, "Warburg") |pursuant Ito |which ~~Partnership~~Warburg |agreed, |among ~~Series~~other Dthings, ~~Preferred~~to ~~Stock~~vote |the ~~2000~~13,607,664 |shares ~~2007~~of |common ~~Preferred~~stock ~~Stock~~of |the |Issuer |held |by |Warburg |in ~~(6)~~favor |of ~~(7)~~the |merger ~~(8)~~of |the ~~(9)~~Issuer |with |and |into |Washington |Mutual. |For |a |more |detailed |description |of |the |foregoing, |reference |is made to the Schedule 13D filed by Washington Mutual with respect to the common stock of the Issuer. Washington Mutual By: /s/ Fay L. Chapman --------------------------------------- Name: Fay L. Chapman Title: Senior Executive Vice President and General Counsel July 5, 2001 **Intentional misstatements or omissions of facts constitute Federal Criminal --------------~~------------------------------------------------------------------------------~~ Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). **Signature of Reporting Person Date Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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