Rush Street SPAC Presentation Deck

Transaction Structure Transaction Overview ● RSI is a leading online gaming company with number one market share in online casino in the United States¹ as well as a top online sports betting offering dMY Technology Group, Inc. (DMYT) is a publicly traded special purpose acquisition company with $230 million in cash held in trust DMYT will combine with RSI in an Up-C structure DMYT has obtained commitments for a $160 million PIPE at $10.00 per share of common stock to facilitate the combination with RSI Sources and Uses ($m)7 Sources SPAC Cash in Trust² PIPE Investment RSI Rollover Equity Sponsor Shares $2306 $160 $1,6003,5 $58 $2,048 Uses Cash to Balance Sheet Cash to RSI Shareholders RSI Rollover Equity Sponsor Shares Transaction Costs $235 $125 $1,6003,5 $584,5 $30 $2,048 Pro Forma Ownership7 Sponsor 2.8% 78.1% RSI Public 11.2% 7.8% PIPE 1. See footnote 1 on pg. 12 2. Subject to redemption 3. Includes $150m value in RSI earnout shares less $125m of secondary capital to RSI shareholders; 4. Sponsor may forfeit up to 1,205,937 Sponsor promote shares if aggregate available cash raised through the fifth day after closing is less than $245m, decreasing in a linear fashion down to $160m (i.e. all shares at risk will be forfeited if aggregate available cash is $160m and zero shares will be forfeited if aggregate available cash is $245m) 5. RSI earnout of 15.0m shares and Sponsor earnout of 1,212,813 shares can be earned upon achievement of certain triggering events which are based upon a combination of 2021 Revenue targets and PubCo VWAP targets 6. Balance as of 3/31/2020 7. Assumes no redemptions of DMYT public shares 4

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