X0306 4 2017-03-15 0 0001140310 EnSync, Inc. ESNC 0001422900 Birnbaum Manfred E N93 W14475 WHITTAKER WAY MENOMONEE FALLS WI 53051 1 0 0 0 Common Stock 2017-03-15 4 S 0 3434 0.5841 D 374153 D Common Stock 2017-03-16 4 S 0 4236 0.5673 D 369917 D Common Stock 2017-03-17 4 S 0 16502 0.5506 D 353415 D The sale of these shares was effected pursuant to a Rule 10b5-1 trading plan adopted in November 2016. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $0.58 to $0.59, inclusive. The reporting person undertakes to provide to EnSync, Inc., any security holder of EnSync, Inc., 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 2 to this Form 4. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $0.56 to $0.63, inclusive. The reporting person undertakes to provide to EnSync, Inc., any security holder of EnSync, Inc., 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 3 to this Form 4. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $0.55 to $0.59, inclusive. The reporting person undertakes to provide to EnSync, Inc., any security holder of EnSync, Inc., 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 4 to this Form 4. /s/ Manfred E. Birnbaum by Mark R. Busch, attorney-in-fact 2017-03-17