X0306 4 2013-12-20 0 0001140310 ZBB ENERGY CORP ZBB 0001422900 Birnbaum Manfred E N93 W14475 WHITTAKER WAY MENOMONEE FALLS WI 53051 1 0 0 0 Common Stock 2013-12-20 4 M 0 22785 0 A 50550 D Restricted Stock Units 0 2013-12-20 4 A 0 91140 0 A Common Stock 91140 91140 D Restricted Stock Units 0 2013-12-20 4 M 0 22785 0 D Common Stock 22785 68355 D Represents shares acquired upon vesting of a restricted stock unit award. Each restricted stock unit represents a contingent right to receive one share of ZBB Energy Corporation common stock. Restricted stock units that become earned and vested are payable at the earlier of (i) vesting and (ii) the date of a change in control. Represents restricted stock unit award granted pursuant to the company's director compensation policy. The restricted stock units vest as follows: 25% vest on the date of grant and the remaining units vest in three equal installments on each of March 31, 2014, June 30, 2014 and September 30, 2014, respectively. /s/ Manfred E. Birnbaum by Mark Busch, attorney-in-fact 2013-12-23