Institute’s place at the bottom of the Danske Bank Premiership has been confirmed following their 2-1 defeat at home to Ballymena United.
The Drumahoe club have been relegated after just one season back in the top flight. Institute managed only four wins all season and have not manafed a victory since October.
Allan Teggart scored a 41st-minute penalty only for Stephen Curry to level the scores with a glancing header just four minutes later.
A headed own goal from Mark Forker in the 50th minute secured Ballymena’s fourth consecutive Premiership win.
The Sky Blues made a bright start as David Cushley drilled a free-kick just over the bar.
Robbie Hume blazed wide for the hosts, then Cushley saw another free-kick deflected over.
Teggart, restored to Glenn Ferguson’s starting line-up, made no mistake from the spot after Matthew Tipton had been pushed inside the box.
Mark Forker directed the ball into the net for the decisive own goal.