They became the 13th different club to win the league since 1890, and the first addition to the list of title-winners since Coleraine in 1974.
Warrenpoint Town finished bottom of the table the previous season, and were relegated to the NIFL Championship after five years as a Premiership club, with Championship winners Newry City promoted to replace them for this season's Premiership.
The higher-ranked of the two semi-final winners also gains home advantage in the final.
However, Warrenpoint Town were denied an NIFL Premiership license on 27 April 2023 and were unsuccessful in their appeal, resulting in the play-off being postponed.
[5] Eventually, the third-placed club from the NIFL Championship at the time (Annagh United) elected to take Warrenpoint Town's place in the play-off.