Frontier Financial Corporation To Join Nasdaq Financial-100 Index Beginning May 9, 2001

Frontier Financial Corporation (Nasdaq:FTBK) of Everett, Washington, will become a component of the Nasdaq Financial-100 Index®, effective at the beginning of trading Wednesday, May 9, 2001. Frontier Financial Corporation will replace W.R. Berkley Corporation (Nasdaq:BKLY), which is delisting from The Nasdaq Stock MarketSM.

With a market capitalization of $468 million, Frontier Financial is a financial holding company and parent of Frontier Bank, which provides consumer and commercial banking services, including savings accounts, checking accounts, installment and commercial lending, private banking, insurance, and other consumer and business related financial services.

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