Dayton Superior Reports Filing of Form 10-K.

DAYTON, Ohio -- Dayton Superior Corporation (NASDAQ: DSUP), today announced that on March 31, 2009 it had filed its Annual Report on Form 10-K for the year ended December 31, 2008 and that the report of the Company's independent registered public accounting firm regarding the Company's 2008 financial statements included in the Annual Report on Form 10-K contained an explanatory paragraph regarding the Company's ability to continue as a going concern. NASDAQ Marketplace Rules require NASDAQ-traded companies to publicly announce if their Annual Report on Form 10-K includes an audit report containing such an explanatory paragraph. For further information, please refer to the Company's Annual Report on Form 10-K which can be found at www.sec.gov.

Dayton Superior is the leading North American provider of specialized products consumed in non-residential, concrete construction, and we are the largest concrete forming and shoring rental company serving the domestic, non-residential construction market. Our products can be found on construction sites nationwide and are used in non-residential construction projects, including: infrastructure projects, such as highways, bridges, airports, power plants and water management projects; institutional projects, such as schools, stadiums, hospitals and government buildings; and commercial projects, such as retail stores, offices and recreational, distribution and manufacturing facilities.