Exhibit 99.1

FOR IMMEDIATE RELEASE

CONTACT:

Randall E. Black, CEO & President

15 South Main Street

Mansfield, PA 16933

570-662-2121

570-662-2365 fax

April 20, 2017

CITIZENS FINANCIAL SERVICES, INC. HOLDS ANNUAL MEETING

Mansfield, Pennsylvania – Citizens Financial Services, Inc. held its annual meeting on April 18, 2017 at the Tioga County Fairgrounds Main Building, 2258 Charleston Road, Wellsboro, Pennsylvania.

At the annual meeting, the following three Class 3 directors were elected to serve for three year terms and until their successors are elected and qualified: Randall E. Black, R. Lowell Coolidge, and Rinaldo A. DePaola. These three Class 3 directors will serve until the April 2020 annual meeting.

The following corporate directors retained their positions but were not standing for election this year: Robert W. Chappell, Roger C. Graham, Jr., E. Gene Kosa, R. Joseph Landy, Thomas E. Freeman, Alletta M. Schadler, and Rudolph J. van der Hiel.

Additionally, shareholders voted to ratify the appointment of S.R. Snodgrass, P.C., Certified Public Accountants, as the independent auditor for the Company for the fiscal year ending December 31, 2017.

Mr. Black, Chief Executive Officer and President of Citizens Financial Services, Inc. and First Citizens Community Bank, presented the Company's 2016 financial performance. Financial highlights included a five-year history on the efficiency ratio (for First Citizens Community Bank), return on equity, return on assets, cash dividends paid, and total return performance. The Company's performance was strong compared to peer institutions.

Mr. Black spoke about (1) the integration of 18,000 First National Bank of Fredericksburg customers, (2) the opening of an agricultural loan office in Central Pennsylvania, (3), the recruiting of a talented team of agricultural and commercial lenders, (4) the opening of a branch in Mt. Joy, Lancaster County, PA, (5) the recruiting of a powerful commercial and industrial lending team, (6) industry recognition, (7) technology enhancements, (8) projects slated for 2017, and (9) employee recognition.