The Offaly golfer was two under for his round when he reached the 14th where things started to unravel.
Shane Lowry looked to be moving into a position to win the Abu Dhabi Championship, but fell away on yesterday.
Lowry shot rounds of 67, 70, and 66 to set up a chance to win on yesterday.
He was two under for his round when he reached the 14th, but shot bogey, bogey, double bogey, bogey on the way to 18 to finish in a tie for 28th after a final round of 76.
Tough day today but unfortunately that’s golf. Will dust myself down and move on. Long year ahead ☘️ pic.twitter.com/tRzYAGD6yU— Shane Lowry (@ShaneLowryGolf) January 22, 2023
Padraig Harrington managed a top five, finishing two shots off the lead of Victor Perez who won.
Seamus Power finished on ten under, in a tie for 20th.