X0306 4 2019-03-20 0 0001422841 AquaVenture Holdings Ltd WAAS 0001478375 Lovell Evan 598 SOUTH HOLLOW ROAD STOWE VT 05672 1 0 0 0 Ordinary Shares 2019-03-20 4 S 0 2200 19.19 D 997800 I See footnote Ordinary Shares 2019-03-21 4 S 0 8800 19.28 D 989000 I See footnote Ordinary Shares 2019-03-22 4 S 0 5203 19.01 D 983797 I See footnote Ordinary Shares 7617 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.15 to $19.295, 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 range set forth in this footnote to this Form 4. Ordinary shares held directly by Virgin Green Fund I, L.P. The general partner of Virgin Green Fund I, L.P. is VGF Partners I, L.P. The general partner of VGF Partners I, L.P. is VGF I Limited. Evan Lovell is an investment partner at VGF I Limited. Mr. Lovell disclaims beneficial ownership over the shares held by Virgin Green Fund I, L.P., except to the extent of his pecuniary interest therein, if any. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.10 to $19.54, 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 range set forth in this footnote to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.00 to $19.25, 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 range set forth in this footnote to this Form 4. /s/ Evan Lovell 2019-04-10