Don Enrique T. Yuchengco Hall - Teresa G. Yuchengco Auditorium

On the top levels of the building is the Teresa G. Yuchengco Auditorium, a 3-storey auditorium that can seat up to 1,100 persons. It was named in honor of the late wife of Ambassador Yuchengco. The auditorium is fully equipped with state-of-the-art light and sound systems that further enhances the programs and events. A two-level lobby could be found outside the auditorium for simple cocktails or gathering areas during intermissions. Graduation rites of the College of Business and Economics, Cultural Arts Office-sponsored activities, and the Annual Academic Recognition Rites are held in the auditorium. Several plays, concerts and ceremonies have also been held in the auditorium since its completion.

The auditorium features a traditional proscenium stage as well as an orchestra pit. The backstage features comfort rooms as well as access to the building's freight elevator. Dressing rooms are found on the sixth floor, access to which is facilitated through internal stairwells. During large performances, classrooms are also employed as dressing rooms.