ESG PROGRESS AT MARRIOTT INTERNATIONAL → 78 2021 SERVE 360 REPORT ACCOUNTING METRICS continued Topic Code Metric Description Response and / or Reference Climate change adaptation SV-HL-450a.1 Number of lodging facilities located in 100-year flood zones In 2020, 335 managed lodging facilities were located in areas with extremely high ravine and/or coastal flood risk. ACTIVITY METRICS Code Metric Description Response and / or Reference SV-HL-000.A Number of available room-nights In 2020, Marriott had 395 million available room nights*. SV-HL-000.B Average occupancy rate (%) In 2020, due to the impacts of COVID-19 on the travel and tourism industry, the average occupancy was 35.5%*. SV-HL-000.C Total area of lodging facilities At year-end 2020, the total area of our lodging facilities was 603 million square feet. SV-HL-000.D Number and percentage of managed lodging facilities At year-end 2020, Marriott had 2,083 managed lodging facilities (representing 27.2% of our portfolio). Number and percentage of owned and leased lodging facilities At year-end 2020, Marriott had 66 owned or leased lodging facilities (representing 0.9% of our portfolio). Number and percentage of franchised lodging facilities At year-end 2020, Marriott had 5,402 franchised lodging facilities (representing 70.7% of our portfolio). Number and percentage of timeshare lodging facilities At year-end 2020, Marriott had 91 timeshares (representing 1.2% of our portfolio). * For comparable properties only.