ZBB Energy Receives Order for Military Transportable Renwable Power Solution

[Fledermaus]

Milwaukee, WI — December 7, 2010 — ZBB Energy Corporation (NYSE Amex: ZBB), the leading
developer of intelligent, renewable energy power platforms, announce today an initial contract to
design and deliver a hardened and transportable prototype version of ZBB’s ZESS POWR™ PECC
(Power & Energy Control Center). The prototype calls for a “ruggedized and transportable” version of
the PECC, offering the ability to integrate multiple renewable energy sources for providing power in a
variety of military applications that currently rely on power derived solely from diesel generators.

http://www.zbbenergy.com/investor-relations/news-releases/zbb-energy-receives-order-for-military-transportable-power-solut/