All-rounder Grant Stewart signs a new two-year deal with Kent which will expire at the end of the 2022 county season.
Kent left-arm seamer Fred Klaassen signs a contract extension to keep him with the county until at least the end of 2021.
Left-arm spinner Imran Qayyum signs a two-year contract extension at Kent.
Essex start their County Championship title defence with a home fixture against Yorkshire in a much-changed schedule in 2020.
Audio & Video
Watch as 39-year-old Michael Klinger rolls back the years with a stunning century to help Gloucestershire reach the T20 Blast quarter-finals with a five-run win over Kent.
Analysis and opinion from the BBC's cricket correspondent.
How to follow the Ashes on the BBC
BBC Sport will bring you live radio, text and in-play highlights of the Ashes this summer.
Cricket alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
Feeling the Draft? How to get into cricket
How to get into cricket - the thrill of the big hit, the rush of taking the catch, the skill of bowling. It's time to get into cricket.