At the conclusion of the 2008–09 season, the NEAC lost an additional founding member in D'Youville. In the 2009–10 season, the NEAC welcomed three additional new members in the College of Saint Elizabeth, Penn State-Abington, and State University of New York at Morrisville (SUNY Morrisville). The NEAC had accepted four associate member institutions in that same season. Additionally, the NEAC also began a three year partnership with the North Atlantic Conference in four sports: baseball; women's lacrosse; and men's and women's tennis. Departing the NEAC at the conclusion of the 2009–10 season were associate members the University of Dallas and SUNY Oneonta.