Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND
CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of American Reprographics Company (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kumarakulasingam Suriyakumar, as Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that (1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and (2) the information contained in the Report fairly presents in all material respects, the financial condition and results of operations of the Company.

Date: May 9, 2008

/s/ Kumarakulasingam Suriyakumar  

President and Chief Executive Officer 

In connection with the Quarterly Report of American Reprographics Company (the “Company”) on Form 10-Q for the quarterly period ended March 31, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jonathan R. Mather, as Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that (1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and (2) the information contained in the Report fairly presents in all material respects, the financial condition and results of operations of the Company.

Date: May 9, 2008

/s/ Jonathan R. Mather  

Chief Financial Officer and Secretary