ZBB Energy to Present at Rodman & Renshaw Annual Global Investment Conference

MILWAUKEE, WI--(Marketwire - May 11, 2010) - ZBB Energy Corporation (NYSE Amex: [ ZBB ]) announced today that President and Chief Executive Officer Mr. Eric Apfelbach will be presenting at the Rodman & Renshaw Annual Global Investment Conference, to be held on Monday, May 17, 2010 at the Grosvenor House Hotel, in London, UK.

Mr. Apfelbach has been selected to present during a special session of the conference featuring Clean Tech companies, which commences at 12:20pm, London time. For those interested but unable to attend in person, a live webcast of our presentation will be featured at [ http://www.wsw.com/webcast/rrshq17/zbb ]. The presentation will also be available on our website at [ www.zbbenergy.com ].

Eric Apfelbach commented, "I am excited to have this chance to outline the ZBB story to such a broad range of investors. Our new Power and Energy Control Center (PECC) is like the 'brain' of a distributed storage system, and we believe it will be required to scale renewable energy and the many applications like EV recharging on the smart grid. Our objective is to make intermittent renewable energy into a reliable power source."

Rodman and Renshaw investor conferences is an internationally known forum for emerging clean technology companies to present their stories before institutional bankers, venture capitalists, sophisticated private investors, industry executives, and private equity firms. ZBB Energy will be presenting in the clean tech track, which will highlight emerging growth companies who are working to meet the increasing demand for alternative or renewable energy technologies and environmentally friendly products and services.

About ZBB Energy Corporation
ZBB Energy Corporation (NYSE Amex: [ ZBB ]) provides distributed intelligent power management platforms that directly integrate multiple renewable and conventional onsite generation sources with rechargeable zinc bromide flow batteries and other storage technology. This platform solves a wide range of electrical system challenges in global markets for various types of sites with utility, governmental, commercial, industrial and residential end customers. A developer and manufacturer of its modular, scalable and environmentally friendly power systems ("ZESS POWR™"), ZBB Energy was founded in 1998 and is headquartered in Wisconsin with offices also located in Perth, Western Australia.

Safe Harbor
Except for the historical information contained herein, the matters set forth in this press release, including statements relating to ZBB's growth, are forward-looking statements within the "safe harbor" provision of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially, including historical volatility and low trading volume of our stock, the risks and uncertainties inherent in the early stages of growth companies, the company's need to raise substantial additional capital to proceed with its business, risks associated with competitors, and other risks detailed from time to time in the company's most recent filings with the Securities and Exchange Commission. These forward-looking statements speak only as of the date hereof. The company disclaims any intent or obligation to update these forward-looking statements.

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ZBB Energy to Present at Rodman & Renshaw Annual Global Investment Conference