HAMPDEN – Hampden Academy will hold its graduation exercises at 1:30 p.m. on Sunday, June 12. Tickets are required for admission to graduation. Doors will open at 12:30 p.m. The class marshal is Mallory Parks. The following students will speak at graduation: Carly Philbrook will deliver the valedictory address. Carly is the daughter of Alden and Nicolle Philbrook of Winterport.