X0508 4 2023-08-30 0 0001353283 SPLUNK INC SPLK 0001596281 Steele Elisa C/O SPLUNK INC. 270 BRANNAN STREET SAN FRANCISCO CA 94107 1 0 0 0 1 Common Stock 2023-08-30 4 S 0 2812 120.00 D 11108 D The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 20, 2022, modified on April 3, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.00 to $120.01, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnote to this Form 4. /s/ Steve Dean, by power of attorney 2023-09-01