Frontier Financial Corporation Announces Third Quarter 2009 Earnings Conference Call

  Frontier Financial Corporation (NASDAQ: FTBK)
today announced that it will release third quarter 2009 earnings at 5:30
a.m. PDT on Thursday, October 29, 2009.  Frontier will host a conference
call for investors beginning at 11:00 a.m. PDT the same day to discuss the
financial results.  To participate in the conference, domestic callers
should dial 866-550-6338 approximately 5 minutes before the scheduled start
time using the password "FRONTIER" or "37668437."  A continuous replay will
be available approximately one hour following the conference call and may
be accessed by dialing 888-203-1112 using the password "37668437."  The
continuous replay will be offered through November 15, 2009.

In addition, Frontier's second quarter 2009 earnings conference call is being made available on-line at Frontier's website, http://www.frontierbank.com. To access this audio presentation, click Investor Relations and Investor News and Events and then on the live audio webcast icon.

Frontier is a Washington-based financial holding company providing financial services through its commercial bank subsidiary, Frontier Bank. Frontier offers a wide range of financial services to businesses and individuals in its market area, including investment and insurance products.

Contact: Patrick M. Fahey Frontier Financial Corporation Chairman of the Board and CEO 425-423-7250