Trainer Patrick Prendergast will race Sugar Boy for the final time in the Dubai Duty Free Irish Derby on Saturday.
Sugar Boy, winner of the bet365 Classic Trial at Sandown in April, has been bought by Sheikh Mohammed bin Khalifa Al Maktoum.
In a statement released by Blandford Bloodstock, who brokered the deal, it was revealed that Saturday's race will be Sugar Boy's last for Prendergast, although a new trainer has not been specified.
Prendergast said: "Sugar Boy is in great form and we are very much looking forward to the Irish Derby on Saturday.
"We welcome Sheikh Mohammed Bin Khalifa Al Maktoum to the yard and hope that we are lucky for him."
Sugar Boy originally impressed work watchers when galloping at a media day at the Curragh on Monday, where he has a 7-1 chance of success.
Sheikh Mohammed Bin Khalifa Al Maktoum, the first cousin of the ruler of Dubai Sheikh Mohammed, has had a number of high-profile horses run in his colours.
Including the likes of Eagle Mountain, Achipenko, Asiatic Boy, Moohaajim and Lizard's Desire with a majority racing for trainer Mike de Kock.
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