WINDSOR — Dennis and Marina Chase of Windsor have announced the engagement of their daughter, Trisha Chase of Windsor to Shawn Barnes of China, son of David and Sandy Barnes of Weeks Mills.

Trisha is a graduate of Erskine Academy. She is employed at The Maine State Credit Union in Augusta.

Shawn is a graduate of Winslow High School and the University of Maine at Orono. He is employed at Windsor Elementary School in Windsor.

An August 18, 2012, wedding is planned.