Exhibit 99.1

FOR FURTHER INFORMATION CONTACT:
Bruce A. Klein
Vice President- Finance and Chief Financial Officer
Franklin, Tennessee
615-771-3100

FOR IMMEDIATE RELEASE
TUESDAY, SEPTEMBER 26, 2006

CLARCOR ANNOUNCES DIVIDEND INCREASE AND DECLARES REGULAR QUARTERLY DIVIDEND

Franklin, TN, September 26, 2006 — The CLARCOR Inc. (NYSE:CLC) Board of Directors at the September 25, 2006 board meeting declared an increase in the regular quarterly dividend from $0.0675 per share to $0.0725 per share. This increase raises the annual rate from $0.27 per share to $0.29 per share, which is the 23^rd consecutive annual increase. The dividend is payable October 27, 2006 to shareholders of record October 13, 2006.

CLARCOR is based in Franklin, Tennessee and is a diversified marketer and manufacturer of mobile, industrial and environmental filtration products and consumer and industrial packaging products sold in domestic and international markets. Common shares of the Company are traded on the New York Stock Exchange under the symbol CLC.