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 (Date of earliest event reported):

                                February 27, 2009

                                TriCo Bancshares
             (Exact name of registrant as specified in its charter)

             California                  0-10661                94-2792841
- --------------------------------------------------------------------------------
(State or other jurisdiction of     (Commission File No.)    (I.R.S. Employer
incorporation or organization)                               Identification No.)

63 Constitution Drive, Chico, California   95973
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(Address of principal executive offices)  (Zip Code)

Registrant's telephone number, including area code:(530) 898-0300

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 (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)

[ ] Soliciting  material  pursuant to rule 14a-12 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 8.01: Other Events

TriCo  Bancshares,  parent  company of Tri Counties Bank,  today  announced that
Richard  Smith,  President  and  Chief  Executive  Officer,  will be a  featured
panelist  on March 3, 2009 at the  Sandler  O'Neill  2009 West  Coast  Financial
Services  Conference.  Mr. Smith will be part of the Central  Valley  (Northern)
Banks Panel, scheduled to commence at 9:00 am Pacific Time.




Item 9.01: Exhibits

(c)  Exhibits

     99.1     Press release dated February 27, 2009

SIGNATURES

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

                                            TRICO BANCSHARES

Date:  February 27, 2009         By: /s/Thomas J Reddish
                                 -----------------------
                                 Thomas J. Reddish, Executive Vice President and
                                 Chief Financial   Officer (Principal Financial
                                 and Accounting Officer)


INDEX TO EXHIBITS

Exhibit No.    Description

    99.1       Press release dated February 27, 2009





PRESS RELEASE                                     Contact:  Thomas J. Reddish
For Immediate Release                             Executive Vice President & CFO
                                                  (530) 898-0300


       TRICO BANCSHARES TO PRESENT AT THE SANDLER O'NEILL 2009 WEST COAST
                         FINANCIAL SERVICES CONFERENCE

CHICO,  Calif. - (February 27, 2009) - TriCo Bancshares  (NASDAQ:  TCBK), parent
company of Tri Counties Bank, today announced that Richard Smith,  President and
Chief  Executive  Officer,  will be a featured  panelist on March 3, 2009 at the
Sandler O'Neill 2009 West Coast Financial Services Conference. Mr. Smith will be
part of the Central Valley (Northern) Banks Panel, scheduled to commence at 9:00
am Pacific time.

Attendance at the Sandler  O'Neill  conference is by invitation  only.  However,
Sandler  O'Neill  will offer a live and  archived  webcast  via the  Internet at
www.sandleroneill.com.  The webcast will be available to the general  public and
will be  archived  for replay at the  website  for 60 days after the  conference
ends, beginning on March 4, 2009.

TriCo Bancshares and Tri Counties Bank are  headquartered in Chico,  California.
Tri Counties Bank has a 33-year  history in the banking  industry.  Tri Counties
Bank operates 32 traditional  branch  locations and 25 in-store branch locations
in 23  California  counties.  Tri Counties  Bank offers  financial  services and
provides  a  diversified   line  of  products  and  services  to  consumers  and
businesses,  which include demand, savings and time deposits,  consumer finance,
online banking,  mortgage lending,  and commercial banking throughout its market
area.  It  operates  a  network  of 64 ATMs  and a  24-hour,  seven  days a week
telephone customer service center. Brokerage services are provided at the Bank's
offices by the Bank's association with Raymond James Financial, Inc. For further
information    please    visit   the   Tri    Counties    Bank    web-site    at
http://www.tricountiesbank.com.