1 SAFE HARBOR ▪ Adjusted EBITDA outperformance was driven by strong top-line growth and controlled growth in expenses, creating meaningful operating leverage which resulted in a 10 percentage point EBITDA margin(1) improvement YoY VIANT. April 30, 2024 2 +$3.8 million Note: Amounts shown are rounded for ease of presentation. Please refer to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2024, for the Company's actual financial results. Contribution ex-TAC, non-GAAP operating exp ...