In 12 outings with Joel Bouchard's contingent, Primeau has compiled a 7-4-1 record, along with a 2.58 goals-against average and a .910 save percentage.
The 20-year-old Voorhees, NJ native, who was selected in the seventh round - 199th overall - by the Canadiens in 2017, also has one shutout during his first year in the pros.
A product of Northeastern University (NCAA), Primeau won the Mike Richter Award last season as the top goaltender in the collegiate ranks south of the border.
For his part, Matthew Peca has four goals and 12 points in 18 games with Laval this season.
He ranks second on the squad in assists with eight alongside forward Riley Barber, and sits tied for third in points alongside forward Alex Belzile and defenseman Otto Leskinen.
The 26-year-old Petawawa, ON native registered three goals and 10 points in 39 games with the Canadiens last year.
Peca has six goals and 17 points in 59 career NHL games between Tampa Bay and Montreal.