Opendoor Investor Presentation Deck

Share gains as markets mature, driven by predictable marketing investment Well-established acquisition playbook with a mix of digital and top-of-funnel spend Growing customer base unlocks re-engagement driving significant sellers from past offer engagement Increasing awareness aids conversion with materially higher awareness in mature markets Expanding national footprint drives ad spend efficiency with national media more efficient than local media 2021 market share by year of market launch Note: 2021 market share based on Company acquisitions as a % of MLS transaction data for respective markets We did not launch any new markets in 2020 due to the impact of COVID-19 0.6% 2021 cohort 1.9% 2021 total share 1.0% 2019 cohort 1.8% 2018 cohort 3.1% 2017 and older cohort 24

View entire presentation