X0306 5 2020-12-31 0 0 0 0001289490 Extra Space Storage Inc. EXR 0001300028 Kirk Spencer 2795 EAST COTTONWOOD PARKWAY SUITE 300 SALT LAKE CITY UT 84121 1 0 0 0 Common Stock 2020-12-09 5 G 0 17500 112.55 D 1472366 I Krispen Family Holdings L.C. Common Stock 2020-12-09 5 G 0 17500 112.55 A 17500 I Kristen C. Kirk Common Stock 2021-12-11 5 G 0 17500 110.67 D 0 I Kristen C. Kirk Common Stock 2020-12-11 5 G 0 17500 110.67 A 17500 I Spenco Irrevocable Trust Common Stock 2020-12-21 5 G 0 38000 113.10 D 1434366 I Krispen Family Holdings L.C. Common Stock 2020-12-21 5 G 0 38000 113.10 A 219895 D Common Stock 2020-12-21 5 G 0 38000 113.10 D 181895 D Common Stock 2020-12-21 5 G 0 38000 113.10 A 161215 I The Kirk 101 Trust The reporting person disclaims beneficial ownership in the common stock held by Krispen Family Holdings, L.C., except to the extent of his pecuniary interest therein. The reporting person disclaims beneficial ownership in the common stock held by The Kirk 101 Trust, except to the extent of his pecuniary interest therein. The reporting person disclaims beneficial ownership in the common stock held by Spenco Irrevocable Trust, except to the extent of his pecuniary interest therein. Grace Kunde - attorney in fact 2021-02-12