X0708 D LIVE 0000737875 FIRST KEYSTONE CORP 111 W FRONT ST BERWICK PA PENNSYLVANIA 18603 570-752-3671 PENNSYLVANIA None None Corporation true Jack W Jones 111 W Front St Berwick PA PENNSYLVANIA 18603 Executive Officer Director Stacy L Gordner 111 W Front St Berwick PA PENNSYLVANIA 18603 Executive Officer Michelle M. Karas 111 W Front St Berwick PA PENNSYLVANIA 18603 Executive Officer Jonathan R Littlewood 111 W Front St Berwick PA PENNSYLVANIA 18603 Executive Officer Mark J McDonald 111 W Front St Berwick PA PENNSYLVANIA 18603 Executive Officer John E Arndt 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Donald Matthew Bower 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Robert A. Bull 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Whitney B Holloway 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Michael L Jezewski 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Nancy J Marr 111 W Front St Berwick PA PENNSYLVANIA 18603 Director William E Rinehart 111 W Front St Berwick PA PENNSYLVANIA 18603 Director David R Saracino 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Elaine A. Woodland 111 W Front St Berwick PA PENNSYLVANIA 18603 Director Commercial Banking Decline to Disclose 06b false 2026-09-30 false true false 1000 Matthew L Shields 4567042 Performance Trust Capital Partners, LLC 36155 500 W Madison Suite 450 Chicago IL ILLINOIS 60661 All States false 32500000 32500000 0 false 24 650000 true 0 0 false FIRST KEYSTONE CORP Stacy L Gordner Stacy L Gordner Chief Financial Officer 2026-10-13