KOTA KINABALU: Parti Bersatu Sabah (PBS) president Tan Sri Joseph Pairin Kitingan (pic) has announced the party's exit from Barisan Nasional, and says Chief Minister Tan Sri Musa Aman is expected leave Sabah Umno and join PBS as a member.

PBS is the fourth party to leave Barisan after Upko, the Liberal Democratic Party (LDP) and Parti Bersatu Rakyat Sabah (PBRS).