Opendoor Investor Presentation Deck

Non-GAAP reconciliations $ IN MILLIONS GAAP Gross Profit Adjustments: Impairment - Current Period Impairment - Prior Period Restructuring in Cost of Revenue Adjusted Gross Profit Adjusted Gross Margin Direct Selling Costs Holding Costs on Sales - Current Period Holding Costs on Sales - Prior Period Contribution Profit Contribution Margin Interest on Homes Sold - Current Period Interest on Homes Sold - Prior Periods Contribution Profit After Interest Contribution Margin After Interest 2017 $66 $2 ($2) $66 9.3% ($26) ($7) ($2) $31 4.4% ($6) ($1) $24 3.3% Year Ended December 31, 2018 $133 $15 ($2) $146 7.9% ($62) ($16) ($3) $65 3.5% ($19) ($3) $43 2.4% 2019 $301 $11 ($15) $297 6.3% ($149) ($43) ($13) $92 1.9% ($52) ($13) $27 0.6% 2020 $220 $0 ($11) $2 $211 8.2% ($73) ($17) ($11) $110 4.3% ($18) ($10) $82 3.2% 2021 $730 $39 $769 9.6% ($195) ($47) ($2) $525 6.5% ($42) ($1) $482 6.0% Three Months Ended March 31, 2022 $535 $8 ($31) $512 9.9% ($136) ($16) ($28) $332 6.4% ($16) ($26) $290 5.6% Twelve Months Ended March 31, 2022 $1,168 $64 ($48) $1,184 9.5% ($313) ($38) ($52) $781 6.3% ($37) ($45) $699 5.6% 46

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