[1] Entered championship Transferred to the Ulster Senior Hurling Shield A two-tier format was introduced in 2016.
Antrim, Armagh, Derry and Down compete in the top tier in a knock-out format.
A second tier, the Ulster Senior Hurling Shield, was created.
Donegal, Fermanagh, Monaghan and Tyrone compete in a knock-out format, with the winner gaining promotion to the top tier for 2017.
Four counties will compete in the Ulster Senior Hurling Championship: