Tranche Update on Masonite International Corporation's Equity Buyback Plan announced on August 9, 2021.

Masonite International Corporation is a designer, manufacturer, marketer and distributor of interior and exterior doors, door system components and door systems for the new construction and repair, renovation and remodeling sectors of the residential and non-residential building construction markets. The Company operates through three segments: North American Residential, Europe and Architectural. North American Residential segment is focused on delivering interior doors made from wood and recycled wood fibers, durable exterior doors in various designs, materials and sizes and components to customers primarily in the United States and Canada. European segment offers a portfolio of both recycled wood fiber interior doors and energy-efficient, durable composite exterior doors. The segment serves customers primarily in the United Kingdom. Architectural segment specializes in crafting precision wood interior doors for non-residential building applications.