Investor Presentaiton

I INTERFOR INVESTMENT HIGHLIGHTS Pure-play North American lumber producer • Fourth largest lumber producer in North America, with 21 strategically located sawmills High exposure to US South region with attractive log costs INTERFOR INTERFOR Compelling lumber market fundamentals • Robust demand across all end-use segments, including housing and repair & remodel Measured supply growth near-term in the US South; declining supply long-term in BC Growth-focused strategy • • Long-standing strategy of growth and geographic lumber diversification 10 year lumber production volume CAGR of 9% Top tier lumber margins and returns on capital Industry leading EBITDA margins and return on capital employed • Well capitalized, low-cost portfolio of sawmills Balanced capital allocation with significant financial flexibility • • Disciplined approach across growth capex, M&A, share-buybacks and special dividend Significant net cash position and >$800 MM of liquidity as of September 30, 2021 Positive ESG and carbon story • Sustainable forest management practices Producer of climate-friendly building products 3

View entire presentation