The Atletico Madrid striker has seen his loan extended into next season.
“Ciao guys, thank you for your support you all know how important it is for me, to play another year for Juventus," Morata said in a message to Juve fans.
“I'm very happy and proud and I can't wait to share more moments with you at the Stadium.
“Now I'll focus on the Euros, which are also very important, but I can't wait to hug you all.
“A big hug and Forza Juve, always."