b'NOTE 12. PENSION PLANThe Bank sponsors The Allegheny Group Retirement Plan for Employees of CNB Bank, Inc., a defined benefit pension plan.Prior to August 1, 2016, all employees participated in the plan upon completion of one year of service and attaining the age of 21.Effective July 31, 2016, the plan was frozen and only employees eligible to participate as of that date were covered by the plan.All participants in the plan became fully vested as a result of the freeze.Revisions to the benefit calculation were also implemented at this same time to base the benefit on the number of years served prior to July 31, 2016.Therefore, the accumulated benefit obligation is the same as the projected benefit obligation and there is no annual service cost.The benefits were based on years of service and the highest average earnings during any five consecutive calendar years prior to the pension freeze date of July 31, 2016.The following table sets forth information about the Banks plan:December 31, December 31,2018 2017Change in benefit obligation: Benefit obligation at beginning of year $12,092,986 $11,341,837 Interest cost420,699449,588 Actuarial gain (loss)84,228 (83,969) Benefits paid (454,301) (401,548) Assumption changes(1,158,535)787,077 Benefit obligation at end of year $10,985,077 $12,092,985Change in plan assets: Fair value of plan assets atbeginning of year $9,630,494 $7,080,089 Actual return on plan assets (630,953)723,952 Employer contribution -2,228,000 Benefits paid (454,301)( 401,548) Fair value of plan assetsat end of year $8,545,240 $9,630,493Funded status $( 2,439,837) $( 2,462,492)Unrecognized net actuarial loss 4,427,207 4,509,447 Prepaid (accrued) benefit cost $1,987,370 $2,046,955 December 31,December 31, 2018 2017Components of net periodic cost:Interest cost $ 420,699 $ 449,588Expected return on plan assets( 656,964) (516,919)Recognized net actuarial loss295,850232,320Net periodic plan cost $ 59,585 $ 164,98932'