Filed by North Fork Bancorporation, Inc.
                                   Pursuant to Rule 425 under the Securities
                                   Act of 1933
                                   Subject Company:  Dime Bancorp, Inc.
                                   Commission File No. 001-13094


FOR IMMEDIATE RELEASE              INVESTOR:     DANIEL M. HEALY
                                                 EXECUTIVE VICE PRESIDENT
                                                 CHIEF FINANCIAL OFFICER
                                                 631-844-1258

                                   PRESS:        KEKST AND COMPANY
                                                 ROBERT D. SIEGFRIED
                                                 212-521-4832


                       NORTH FORK EXTENDS DIME OFFER


             MELVILLE, N.Y. - JUNE 27, 2000 - NORTH FORK BANCORPORATION,
INC. (NYSE:NFB) announced today that, in accordance with its previously
disclosed intention, it has extended its pending exchange offer to acquire
Dime Bancorp, Inc., until 12:00 midnight, New York City time, on July 31,
2000. Based on the most recent report from North Fork's exchange agent,
approximately 18.5 million Dime common shares have been tendered to North
Fork to date.

As previously announced, North Fork will hold a Conference Call today at
2:00 pm (EDT) for the investment community and media. On the call, John
Adam Kanas, Chairman, President and Chief Executive Officer of North Fork
Bancorporation will make a statement regarding North Fork's offer and its
proxy solicitation regarding Dime Bancorp., Inc.

                                 * * * * *

Investors and security holders are advised to read North Fork's
registration statement and tender offer statement with respect to its
exchange offer for Dime common stock, North Fork's proxy statement with
respect to North Fork's proposed solicitation of proxies from Dime
stockholders in connection with Dime's 2000 annual meeting of stockholders,
and any amendments or supplements to any of such documents (when they
become available), because each of these documents contains, or will
contain, important information. Investors and security holders may obtain a
free copy of the exchange offer registration statement, the tender offer
statement, the proxy statement, any amendments or supplements to any of
such documents (when they become available), and any other documents filed
by North Fork with the SEC, at the SEC's Internet web site at www.sec.gov.
Each of these documents may also be obtained free of charge by overnight
mail or direct electronic transmission by calling North Fork's information
agent, D.F. King & Co., Inc. toll-free at 1-800-755-7250.