X0306 4 2021-06-17 0 0001353283 SPLUNK INC SPLK 0001204081 MORRISON PATRICIA C/O SPLUNK INC. 250 BRANNAN STREET SAN FRANCISCO CA 94107 1 0 0 0 Common Stock 2021-06-17 4 A 0 2133 0.00 A 32183 D The reported shares are represented by restricted stock units ("RSUs"). Twenty-five percent of the RSUs vest on each of September 10, 2021, December 10, 2021, March 10, 2022 and June 10, 2022 (or the Issuer's next annual meeting if earlier). /s/ Steve Dean, by power of attorney 2021-06-21