X0306 4 2021-09-15 0001035976 FNCB Bancorp, Inc. FNCB 0001206491 DENAPLES LOUIS A C/O FNCB 102 E. DRINKER ST. DUNMORE PA 18512 1 COMMON STOCK 2021-09-15 4 J 0 17892.338 7.9891 A 1923824.745 D COMMON STOCK 16794.493 I By Spouse COMMON STOCK 2439 I By DeNaples Equipment Company This amount includes 17,840.1350 shares acquired by Mr. DeNaples individually and 52.2030 shares acquired jointly with his spouse under the Issuer's Dividend Reinvestment and Stock Purchase Plan ("DRP") for September 2021. Therefore, Mr. DeNaples holds 1,918,211.7020 shares individually and 5,613.0430 shares jointly with his spouse. Mr. DeNaples' spouse is a participant under the DRP and acquired 148.380 shares individually for September 2021. Comprises 2,439 shares held by a business in which Mr. DeNaples is a 33.33% owner with his brother, Dominick DeNaples. /s/ James M. Bone, Jr. as Attorney in Fact 2021-09-17