X0306 4 2014-12-10 0 0001140310 ZBB ENERGY CORP ZBB 0000935991 STERN THEODORE N93 W14475 WHITTAKER WAY MENOMONEE FALLS WI 53051 1 0 0 0 Common Stock 2014-12-10 4 P 0 20000 0.51 A 146605 D Common Stock 2014-12-11 4 P 0 20000 0.51 A 166605 D Common Stock 617187 I By Bomoseen Associates LP The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.49 to $0.51, inclusive. The reporting person undertakes to provide ZBB Energy Corporation, any security holder of ZBB Energy Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4. /s/ Theodore Stern by Mark R. Busch, attorney-in-fact 2014-12-12