ROTH Capital Partners Acts as Sole Book-Running Manager for
Clean Diesel Technologies
, Inc. (NASDAQ: CDTI) in its $11.8 Million Public Offering


For more information on how
ROTH can help you, please contact:

Investment Banking
Joe Schimmelpfennig
Managing Director

nvestment Banking
(949) 720-7151

Jeff Ng, CFA
Managing Director
Investment Banking
(949) 720-7191

Brian Kremer
Investment Banking
(949) 720-5726

Equity Capital Markets
Aaron Gurewitz
Head of Equity Capital Markets
(949) 720-5703

Nazan Akdeniz
Senior Vice President
(949) 720-5740

Lou Ellis
Senior Vice President
(949) 720-5739

ROTH Capital Partners
About ROTH
Investment Banking
Institutional Sales & Trading
Corporate Services
Marketing & Conferences
Press Room



Transaction Information
On July 5, 2011, Clean Diesel Technologies, Inc. (NASDAQ: CDTI) closed an underwritten public offering of $11.8 million.  The Company sold 3,053,750 shares of common stock, including the over-allotment option of 408,750 shares, and selling stockholders sold 80,000 shares at $3.75 per share. ROTH Capital Partners acted as sole book-running manager for the offering.

Client Information
Clean Diesel is a vertically integrated global manufacturer and distributor of emissions control systems and products, focused on the heavy duty diesel and light duty vehicle markets. Clean Diesel utilizes its proprietary patented Mixed Phase Catalyst (MPC®) technology, as well as its ARIS® selective catalytic reduction, Platinum Plus® fuel-borne catalyst, and other technologies to provide high-value sustainable solutions to reduce emissions, increase energy efficiency and lower the carbon intensity of on- and off-road engine applications. Clean Diesel is headquartered in Ventura, California and currently has operations in the U.S., Canada, U.K., France, Japan and Sweden.
(Source: Company press release)

ROTH Capital Partners
ROTH Capital Partners, LLC ("ROTH") is a relationship-driven investment bank focused on identifying growth opportunities for our corporate and institutional clients.  As a full-service investment bank, ROTH provides capital raising, M&A advisory, analytical research, trading and market-making services.  ROTH, headquartered in Newport Beach, CA, is privately held and owned by its employees, and maintains offices throughout the U.S, Hong Kong and a Shanghai Representative Office.  For more information on ROTH, please visit

The material, information and  facts discussed in this announcement other than the information regarding ROTH Capital Partners, LLC ("ROTH") and its affiliates, are from sources believed to be reliable, but are in no way guaranteed to be complete or accurate. This announcement should not be used as a complete analysis of any companies, securities or topics discussed herein. Additional information is available upon request. This is not, however, an offer or solicitation of the securities discussed. Any opinions or estimates in this announcement are subject to change without notice. An investment in any security based on this announcement may involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Additionally, such investments may involve a high degree of risk and may not be suitable for all investors. No part of this announcement may be reproduced in any form without the express written permission of ROTH. Copyright 2011.