HYGSD Hydrogenics - Common Shares (MM)

Hydrogenics Corporation (TSX: HYG)(NASDAQ: HYGS)(NASDAQ: HYGSD), a leading developer and manufacturer of hydrogen generation and fuel cell products, today announced that it will participate in the Merriman Curhan Ford Investor Summit on November 10, 2009 at the Sofitel New York. Daryl Wilson, President and Chief Executive Officer, and Lawrence Davis, Chief Financial Officer, will review the company's operations and financial performance at 3:30 p.m. Eastern Time.

A live audio webcast of the presentation will be accessible via the Hydrogenics website. To hear the presentation and view related materials, please visit the website at www.hydrogenics.com. A replay will be available for ninety days.

ABOUT HYDROGENICS

Hydrogenics Corporation (www.hydrogenics.com) is a globally recognized developer and provider of hydrogen generation and fuel cell products and services, serving the growing industrial and clean energy markets of today and tomorrow. Based in Mississauga, Ontario, Canada, Hydrogenics has operations in North America and Europe.

This release contains forward-looking statements within the meaning of the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Law of 1995. These statements are based on management's current expectations and actual results may differ from these forward-looking statements due to numerous factors, including changes in the competitive environment adversely affecting the products, markets, revenues or margins of Hydrogenics' business. Readers should not place undue reliance on Hydrogenics' forward-looking statements. Investors are encouraged to review the section captioned "Risk Factors" in Hydrogenics' regulatory filings with the Canadian securities regulatory authorities and the United States Securities and Exchange Commission for a more complete discussion of factors that could affect Hydrogenics' future performance. Furthermore, the forward-looking statements contained herein are made as of the date of this release, and Hydrogenics undertakes no obligations to revise or update any forward-looking statements in order to reflect events or circumstances that may arise after the date of this release. The forward-looking statements contained in this release are expressly qualified by this.

Contacts: Hydrogenics Corporation Lawrence Davis Chief Financial Officer (905) 361-3633 investors@hydrogenics.com Hydrogenics Corporation Chris Witty Investor Relations (646) 438-9385 cwitty@darrowir.com www.hydrogenics.com