CNB Elects Two Members to Board of Directors

WORCESTER, Mass.--(Business Wire)--
CNB Financial Corp., (OTCBB:CFNA), the parent company for
Commonwealth National Bank (Commonwealth), announced today Paula A.
Aiello of Shrewsbury and Thomas J. Wickstrom of Whitinsville have been
elected to its Board of Directors. Both have been members of CNB's
Advisory Board; Wickstrom served as its first chairman from June 2007
to present.

"We are pleased to welcome two outstanding members of the business
community to our Board of Directors who bring exceptional professional
experience and a strong commitment to civic involvement," said Charles
R. Valade, President and CEO of CNB.

Paula A. Aiello is Chief Financial Officer, Vice President of
Administration for Youth Opportunities Upheld, Inc. of Worcester. She
serves on the audit, finance, and investment committees for the
organization. A certified public accountant, Aiello brings to CNB
extensive experience in auditing banks as well as knowledge in
financial and information technology operations and Sarbanes-Oxley
compliance. She is a member of the Massachusetts Society of Certified
Public Accountants, the American Institute of Certified Public
Accountants, and the Central Massachusetts Financial Executives
Organization. She received a BA in business administration from Bryant
University where she graduated Magna Cum Laude.

Thomas J. Wickstrom is a partner in the law firm of Tashjian,
Simsarian, & Wickstrom in Worcester, Whitinsville, and Grafton. He
holds a JD from Western New England College School of Law and a BS in
business administration from the University of Massachusetts-Amherst
Isenberg School of Management. He is past president and member of the
Uxbridge Rotary Club, a corporator for the Greater Worcester Community
Foundation, an executive committee member of the Worcester County Bar
Association, and a member of the Town of Northbridge Master Plan
Committee.

About CNB Financial Corp. and Commonwealth National Bank

Commonwealth National Bank, a wholly-owned subsidiary of CNB
Financial Corp., opened its doors in December 2001. It was the first
new bank started in the Worcester area in more than 15 years.
Recognized for its personalized service, state-of-the art products and
experienced bankers, Commonwealth offers branches in Worcester at 33
Waldo Street, One West Boylston Street and 1393 Grafton Street, as
well as at 564 Main Street in Shrewsbury, 701 Church Street in
Northbridge and 26 West Boylston Street in West Boylston,
Massachusetts. For more information about Commonwealth National Bank
and CNB Financial Corp., including detailed financial information,
please visit: www.commonwealthworcester.com

Certain statements in this press release, including statements
regarding the anticipated development and expansion of the Bank's
business, and the intent, belief or current expectations of the
Company, its directors or its officers, are "forward-looking"
statements (as such term is defined in the Private Securities
Litigation Reform Act of 1995). Because such statements are subject to
risks and uncertainties, actual results may differ materially from
those expressed or implied by such forward-looking statements.

Media Contact:
Commonwealth Creative Associates
Ruthann Baler, 508-620-6664
ruthannb@commcreative.com
or
Bank Contact:
Andrea White, 508-793-8368

Copyright Business Wire 2008