NEW YORK - The Department of Justice has issued subpoenas to Dime Bancorp and North Fork Bancorp asking the companies to provide additional information so it can study the antitrust implications of North Fork's hostile takeover of Dime.

Dime disclosed in a filing late Friday with the Securities and Exchange Commission that it had been subpoenaed. North Fork chairman John Adam Kanas confirmed in an interview that his company had also received one. FleetBoston Financial Corp. is also believed to have received a subpoena, but it would not confirm.

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