Attached files

file filename
10-Q - FORM 10-Q - REPLIGEN CORPd230514d10q.htm
EX-31.2 - SECTION 302 CFO CERTIFICATION - REPLIGEN CORPd230514dex312.htm
EX-31.1 - SECTION 302 CEO CERTIFICATION - REPLIGEN CORPd230514dex311.htm
EXCEL - IDEA: XBRL DOCUMENT - REPLIGEN CORPFinancial_Report.xls

Exhibit 32.1

CERTIFICATION 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 Repligen Corporation (the “Company”) on Form 10-Q for the period ending September 30, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officers 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 undersigneds’ knowledge, that:

 

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

 

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

 

Date: November 9, 2011   By:  

/s/ Walter C. Herlihy

    Walter C. Herlihy
    Chief Executive Officer and President
    (Principal executive officer)
Date: November 9, 2011   By:  

/s/ William J. Kelly

    William J. Kelly
    Chief Financial Officer
    (Principal financial and accounting officer)