CDTI CDTI Advanced Materials Inc (PK)

Clean Diesel Technologies, Inc. (Nasdaq:CDTI) ("CDTi"), a cleantech emissions control company, announced today that it will be a presenter at the 25th Annual Roth Conference. The presentation is scheduled for 8:00 a.m. PT on Monday, March 18, 2013 at The Ritz-Carlton, Laguna Niguel in California. The slides for the presentation will be made available on the Investor Relations section of CDTi's website: www.cdti.com.

About CDTi

CDTi 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. CDTi 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. CDTi is headquartered in Ventura, California and currently has operations in the U.S., Canada, U.K., France, Japan and Sweden. For more information, please visit www.cdti.com.

The CDTi logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=5742

CONTACT: Kristi Cushing, Investor Relations Manager
         Tel:  +1 (805) 639-9555