Albion lead at Molineux after Alexis Mac Allister converted a 42nd minute penalty after Willy Boly tripped Danny Welbeck on the edge of the area.
Incredibly Mac Allister missed a 33rd minute penalty after Romain Saiss was adjudged to have cleared with his arm after a VAR check.
Jose Sa the Wolves keeper had saved well from Enock Mwepu and a Welbeck strike from distance.
Albion are well on top at the break.