LEWISTON — Thomas R. Esponnette, son of Peter and Sally Esponnette of Auburn, received a bachelor of science degree from Bates College on May 29. He was one of 437 seniors to graduate during the college’s 145th commencement exercises. A 2007  graduate of Edward Little High School, Esponnette majored in biology. His undergraduate activities included four years of cross country running, indoor/outdoor track and field and Triathlon Club.