X0306 4 2017-11-28 0 0001374684 MULESOFT, INC MULE 0001366048 Eggers Barry 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 Class A Common Stock 2017-11-28 4 S 0 57839 22.8266 D 0 I By Barry Eggers Revocable Trust dtd 6/4/2008 Class A Common Stock 2017-11-28 4 S 0 945 22.8266 D 0 I By Eggers Investments LP - Fund 2 These sales were executed in multiple trades at prices ranging from $22.50 to $23.08. The price reported above reflects the weighted average sale price. Mr. Eggers hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer. The shares are held of record by Barry Eggers Revocable Trust dtd 6/4/2008, for which Barry Eggers serves as trustee. The shares are held of record by Eggers Investments LP-Fund 2. Barry Eggers serves as trustee of the general partner of such entity. /s/ Barry Eggers 2017-11-29