Opendoor Investor Presentation Deck

As markets mature, we gain share through marketing investments and a growing future customer base Ability to extend pricing capabilities and acquisition playbook to new markets with brand and targeted marketing spend Materially higher awareness in mature markets aids offer generation and conversion Ability to grow retained customer base with active re-engagement of those who previously solicited offers Expanding national footprint drives increasing ad spend efficiency relative to local media buys 2.0% III 2022 total share Note: 2022 market share based on Company resales as a % of MLS transaction data for respective markets Cohorts indicate markets launched in each year. We did not launch any new markets in 2020 due to the impact of COVID-19 28% 0.7% 2021 cohort 34% ‒‒‒‒‒‒‒‒‒‒‒‒‒ 1.6% 2019 cohort Market Share 40% 2.2% 2018 cohort Proven playbook to attract sellers Aided Awareness 45% 3.8% ‒‒‒‒‒‒‒‒‒‒ Pre-2018 cohort 21

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