X0306 4 2020-06-15 0 0001353283 SPLUNK INC SPLK 0001753413 Morgan Scott C/O SPLUNK INC. 270 BRANNAN ST. SAN FRANCISCO CA 94107 0 1 0 0 SVP, CLO, Global Affairs & Sec Common Stock 2020-06-15 4 S 0 970 172.98 D 82437 D Common Stock 2020-06-15 4 S 0 300 174.20 D 82137 D Common Stock 2020-06-15 4 S 0 580 175.00 D 81557 D Common Stock 2020-06-15 4 S 0 300 176.61 D 81257 D Common Stock 2020-06-15 4 S 0 142 177.34 D 81115 D The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 9, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $172.85 to $173.56, 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 footnotes (2), (4) through (6) to this Form 4. Includes 171 shares acquired under the Splunk Inc. Employee Stock Purchase Plan on June 15, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $173.94 to $174.63, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.13 to $176.85, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.33 to $177.37, inclusive. /s/ Steve Dean, by power of attorney 2020-06-17