Troy Johnson of Thomaston and Sierra Hupper of Port Clyde plan to marry in the summer of 2011.

The groom-to-be is the son of Christopher Johnson and Frances Johnson of Cadyville, N.Y.

The bride-to-be is the daughter of Karen and Marshall of Port Clyde. She is a 2007 graduate of Georges Valley High School. Hupper is earning her degree in business administration from the University of Maine.