Rush Street SPAC Presentation Deck

Strong Return on Marketing Spend RSI New Jersey LTV / CAC¹, by period 1.0x 5 Months 2.7x Year 1 6.3x Year 3 On average, all RSI cohorts since Jan-17 have paid back in their 5th month RSI Year 1 LTV/CAC of 2.7x is 23% higher than Golden Nugget Year 1 return on ad spend² More recent cohorts have been paying back in under 3 months Source: RSI Management estimates, all cohorts (a cohort represents all players that signed up in a particular month) since Jan-17 Note: LTV = Lifetime Value (Cohort total cumulative GGR); CAC = Customer Acquisition Cost 1. Cumulative GGR over period / advertising spend 2. GNOG June 2020 Investor Presentation 23

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