Investor Relations

Repligen Investor Relations Contact Information

E mail: investors@repligen.com
Fax: (781) 250 0115

Laura L. Whitehouse
Vice President, Market Development
(781) 419-1812

Click here for Repligen's online information request form.

Shareholder Contact

For questions about your shares, replacement of a lost stock certificate, or a change of address should be directed to Repligen's transfer agent:

American Stock Transfer and Trust Company
59 Maiden Lane
Plaza Level
New York, NY 10038
(877) 777-0800, select option 1
http://www.amstock.com
info@amstock.com