A four-storey building erected in 1935 and modernised between 2002 and 2008. It houses one of the two sports halls, a gym and 29 rooms, including: an assembly hall, 14 lecture halls, 7 course rooms and 7 IT rooms. Most of the rooms have sound equipment, a projector and a screen. All of the rooms have Internet access. Building A houses the Printing Workshop and University Bookshop (Skrypciarnia). The high-tech, air conditioned MAIOR Auditorium (Aula MAIOR) can seat 400 people. There is a food shop on the ground floor of the building.
Building A is located at 3 Bogucicka Street.