This brings the final death toll from the tragedy to 13.
Iftikhar Ahmed, a mine inspector, said on Tuesday that despite rescue efforts in the mine in the village of Sanjdi, the five could not be saved. Earlier, eight other bodies were recovered.
The mine is located some 50 kilometers, or 30 miles, east of the city of Quetta, the provincial capital of Baluchistan. The explosion happened late Sunday.
Cave-ins and other mining accidents in Pakistan are often attributed to poor enforcement of safety regulations.