Exhibit 99.1

                 Camden National Corporation Announces
                       NASDAQ Listing Approval

    Trading Expected to Commence January 2, 2008


    CAMDEN, Maine--(BUSINESS WIRE)--Dec. 20, 2007--Robert W. Daigle,
president and chief executive officer of Camden National Corporation
(AMEX: CAC; the "Company"), today announced that the Company has
received approval from the NASDAQ Stock Market for its common stock to
be listed on The NASDAQ Global Select Market under the symbol CAC. The
Company anticipates trading of its securities on NASDAQ to commence on
Wednesday, January 2, 2008.

    NASDAQ(R) is the largest U.S. electronic stock market. With
approximately 3,200 companies, it lists more companies and, on
average, its systems trade more shares per day than any other U.S.
market. NASDAQ is home to companies that are leaders across all areas
of business including financial services, technology, retail,
communications, transportation, media and biotechnology. NASDAQ is the
primary market for trading NASDAQ-listed stocks. For more information
about NASDAQ, visit the NASDAQ Web site at http://www.nasdaq.com or
the NASDQ Newsroom(SM) http://www.nasdaq.com/newsroom.

    Camden National Corporation, a 2006 Best Places to Work in Maine
company headquartered in Camden, Maine, and listed on the American
Stock Exchange under the symbol CAC, is the holding company for a
family of two financial services companies, including: Camden National
Bank ("CNB"), a full-service community bank with 27 banking offices
serving coastal, western, central and eastern Maine, and recipient of
the Governor's Award for Business Excellence in 2002, and Acadia
Trust, N.A., offering investment management and fiduciary services
with offices in Portland and Bangor. Acadia Financial Consultants is a
division of CNB, offering full-service brokerage services. As
previously announced, Camden has received regulatory approval for its
Agreement and Plan of Merger with Union Bankshares Company, pursuant
to which Union Bankshares will merge with and into Camden (the
"Merger").

    This press release and the documents incorporated by reference
herein contain certain statements that may be considered
forward-looking statements under the Private Securities Litigation
Reform Act of 1995. Forward-looking statements can be identified by
the use of the words "believe," "expect," "anticipate," "intend,"
"estimate," "assume," "will," "should," and other expressions which
predict or indicate future events or trends and which do not relate to
historical matters. Forward-looking statements should not be relied
on, because they involve known and unknown risks, uncertainties and
other factors, some of which are beyond the control of the Company.
These risks, uncertainties and other factors may cause the actual
results, performance or achievements of the Company to be materially
different from the anticipated future results, performance or
achievements expressed or implied by the forward-looking statements.

    Some of the factors that might cause these differences include the
following: changes in general, national or regional economic
conditions; changes in loan default and charge-off rates; reductions
in deposit levels necessitating increased borrowing to fund loans and
investments; changes in interest rates; changes in laws and
regulations; changes in the size and nature of the Company's
competition; and changes in the assumptions used in making such
forward-looking statements. Other factors could also cause these
differences. For more information about these factors please see our
Annual Report on Form 10-K on file with the SEC. All of these factors
should be carefully reviewed, and readers should not place undue
reliance on these forward-looking statements.

    These forward-looking statements were based on information, plans
and estimates at the date of this press release, and the Company does
not promise to update any forward-looking statements to reflect
changes in underlying assumptions or factors, new information, future
events or other changes.


    CONTACT: Camden National Corporation
             Suzanne Brightbill, 207-230-2120
             Public Relations Officer
             sbrightbill@camdennational.com