The Portland Exposition Building is a sports complex and convention center located in Portland, Maine. The complex includes five inter-connected buildings with 330,000 square feet of exhibition space and 10 meeting rooms. The Center is adjacent to the Hadlock Field and the Portland Ice Arena.
The Portland Exposition Building is home to the Maine Red Claws NBA Development League team and the Portland High Bulldogs basketball team. Events have included presidential speeches, concerts, trade shows, conferences and sporting events.
The building was designed by Frederick A. Tompson in 1914. It is the second oldest arena in continuous operation in the United States.