We consent to the incorporation by
reference in Registration Statement No. 333-159666 on Form S-8 of CLARCOR Inc. of our report dated June 30,
2010, relating to the
financial statements and supplemental schedule of the CLARCOR 401(k) Plan, which appears in this
Annual Report on Form 11-K of CLARCOR 401(k) Plan for the year ended December
31, 2009.