Heritage Financial Announces Earnings Release Date and Conference Call.

OLYMPIA, Wash., Jan. 6, 2011 /PRNewswire/ -- Heritage Financial Corporation ("Company") (Nasdaq: HFWA) anticipates issuing its fourth quarter and year-end 2010 earnings release on Thursday, January 27, 2011 before the market opens. The Company has scheduled a telephone conference call to discuss fourth quarter and year-end 2010 earnings at 11:00 a.m. Pacific time (2:00 p.m. Eastern time) on Thursday, January 27, 2011.

To access the conference call, call the numbers listed below:

Live Conference Call	(800) 230-1074
Replay of Conference Call	(800) 475-6701
	Access Code 187417

The conference call will be recorded and will be available approximately two hours after the live conference call for replay twenty-four hours a day ending February 10, 2011. Questions regarding the conference call may be directed to Kaylene Lahn at 360-943-1500.

About Heritage Financial

Heritage Financial Corporation is a bank holding company headquartered in Olympia, Washington. The Company operates two community banks, Heritage Bank and Central Valley Bank. With the recent FDIC-assisted acquisitions of Cowlitz Bank and Pierce Commercial Bank, Heritage Bank now serves western Washington and the greater Portland, Oregon area through its twenty-five full-service banking offices and its Online Banking Website www.HeritageBankWA.com. Central Valley Bank serves Yakima and Kittitas counties in central Washington through its six full-service banking offices and its Online Banking Website www.CVBankWA.com. Additional information about Heritage Financial Corporation is available on its Internet Website www.HF-WA.com.

SOURCE Heritage Financial Corporation