UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report: May 3, 2010 Frontier Financial Corporation (Exact name of registrant as specified in its charter)
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report: May 27, 2010 Frontier Financial Corporation (Exact name of registrant as specified in its charter)
Washington (State of incorporation or organization)	000-15540 (Commission File Number)		91-1223535 (I.R.S. Employer Identification No.)
c/o Thomas A. Sterken Keller Rohrback L.L.P. Registered Agent of Frontier Financial Corporation 1201 Third Avenue, Suite 3200 Seattle, Washington (Address of principal executive offices)		98101 (Zip Code)
Registrant’s telephone number, including area code: (206) 224-7585
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 3 8.01 ~~Notice~~Other ~~of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing~~Events.

OnAs expected, The Nasdaq Stock Market (“Nasdaq”) announced on May 327, 2010, that it is removing Frontier Financial Corporation’s (“Corporation”) ~~received~~securities from listing and registration on Nasdaq. Nasdaq will file a ~~letter~~Form ~~from~~25 with the ~~Nasdaq~~Securities ~~Stock~~and ~~Market~~Exchange ~~(“Nasdaq”)~~Commission ~~indicating~~to ~~that~~complete the delisting. The delisting becomes effective ten days after the Form 25 is filed. The Corporation’s ~~shares~~stock ~~will~~was besuspended ~~delisted~~on ~~from~~May ~~Nasdaq~~12, as2010, aand ~~result~~has ofnot ~~the~~traded ~~recent,~~on ~~previously~~Nasdaq ~~announced~~since ~~closure~~that oftime. We understand the Corporation’s ~~wholly-owned~~common ~~subsidiary~~stock ~~and~~has ~~principal asset,~~been ~~Frontier~~quoted ~~Bank~~on ~~(“Bank”),~~the byPink ~~the~~Sheets, ~~State~~a ofcentralized ~~Washington~~electronic ~~Department~~quotation ofservice ~~Financial~~for ~~Institutions~~over-the-counter securities, ~~Division~~under ofthe ~~Banks~~symbol (“~~DFI~~FTBK.PK”),. The ~~and~~Corporation ~~the~~can ~~appointment~~give ofno ~~the~~assurance, ~~Federal~~however, ~~Deposit~~that ~~Insurance~~trading ~~Corporation~~in ~~(“FDIC”)~~its asstock ~~receiver~~will ofcontinue on the ~~Bank,~~Pink ~~and~~Sheets or ~~the~~on ~~expected~~any ~~dissolution~~other securities exchange or ~~bankruptcy,~~quotation ~~and~~medium ~~liquidation~~or the willingness of any market makers to trade the Corporation’s common stock in the future.

~~The~~As ~~Corporation~~of ~~does~~May 27, ~~not~~2010, ~~intend~~the toCorporation ~~appeal~~believes ~~Nasdaq’s~~its ~~decisions~~only tomaterial ~~delist~~assets, ~~the~~excluding ~~Corporation’s~~its ~~common~~investment ~~stock.~~in ~~Therefore~~Frontier Bank, ~~trading~~which ininvestment ~~the~~is ~~Corporation’s~~expected ~~common~~to ~~stock will~~ be ~~suspended~~written atoff ~~the~~completely, ~~opening~~consist only of ~~business~~a onlimited ~~May~~amount ~~12,~~of ~~2010~~cash, and athat ~~Form~~after ~~25-NSE~~the ~~will~~payment beof ~~filed~~the byCorporation’s ~~Nasdaq~~liabilities ~~with~~and ~~the~~expenses ~~Securities~~of ~~and~~winding ~~Exchange~~up ~~Commission,~~its ~~which~~business ~~will~~and ~~remove~~pending matters, the Corporation’s ~~securities~~anticipates ~~from~~that ~~listing~~little, ~~and~~if ~~registration~~any, onassets ~~Nasdaq. In~~or ~~addition,~~funds ~~trading~~will inbe ~~the~~left ~~Corporation’s~~for ~~common~~distribution ~~stock~~or ~~has~~winding ~~been~~up ~~halted~~of the Corporation by ~~Nasdaq~~its ~~starting~~board onof ~~Monday~~directors, ~~May~~pursuant 3,to ~~2010~~the Washington Business Corporation Act, ~~and~~or ~~will~~filing ~~remain~~a sovoluntary uppetition toseeking relief under Chapter 7 of Title 11 of the ~~suspension~~United ~~date~~States Code.

AShareholders ~~copy~~should ofcontact ~~the~~their ~~Corporation’s~~tax ~~press~~preparer ~~release~~about ~~regarding~~claiming ~~the~~a ~~foregoing~~loss ~~events~~or isworthless ~~filed~~stock asdeduction ~~Exhibit~~for ~~99.1~~their toinvestment ~~this~~on ~~Form~~their ~~8-K~~2010 ~~and~~tax isreturn ~~incorporated~~to ~~herein~~be byfiled ~~reference~~in 2011.

~~Item~~You 9can find out about your stock holdings in Frontier by contacting the transfer agent, American Stock Transfer – Shareholder Services, at 1-866-659-2641 or 1-800-937-5449, or you may access your account information on its website at www.01amstock.com ~~Financial~~using ~~Statements~~your account number and ~~Exhibits~~social security number. We do not know how long this information will remain available, so you are encouraged to access your information as soon as possible.

(d) Exhibits

The following exhibit is being filed herewith and this list shall constitute the exhibit index.

99.1 Press release dated May 3, 2010.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	FRONTIER FINANCIAL CORPORATION
	(Registrant)
May 3, 2010	/s/ Patrick M. Fahey
May 27, 2010	/s/ Patrick M. Fahey
(Date)	Patrick M. Fahey President and Chief Executive Officer

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