Building B houses a modernly equipped, air-conditioned Auditorium B (Aula B) seating 289, and also the Pawłowski Auditorium, where doctoral defences take place. The Careers Centre is also located here, so are the "Silesianie" Student Dance and Song Ensemble and the PANEUROPA Student Organization. Building B is connected with A and C.
It is situated at Bogucicka street no. 3a.