Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-14656 REPLIGEN CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 04-2729386 (State or Other Juri ...

R Investor Presentation E ES 8 8 R 108 SUAO May 2020 Safe Harbor This presentation contains forward looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These statements are subject to risks and uncertainties which may cause our plans to change or actual results to differ materially from those anticipated. In particular, unforeseen events outside of our control ma ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-14656 REPLIGEN CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 04-2729386 (State or Other Jur ...

Repligen Corporation (NASDAQ:RGEN) Q1 2020 Earnings Conference Call May 6, 2020 8:30 AM ET Company Participants Sondra Newman - Senior Director, IR Tony Hunt - CEO & President Jon Snodgres - CFO & Secretary Conference Call Participants Tycho Peterson - JPMorgan John Kreger - William Blair Dan Arias - Stifel Puneet Souda - SVB Leerink Jacob Johnson - Stephens Inc. Paul Knight - Janney, Montgomery, Scott Brandon Couillard - Jefferies Matt Hewitt - Craig-Hallum Ram Selvaraju - H.C. Wainwright Operator Good day ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Securities registered pursuant to Section 12(g) of the Act: None OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-14656 REPLIGEN CORPORATION (Exact name of registrant as speci ...

Repligen Corp. (NASDAQ:RGEN) Q4 2019 Earnings Conference Call February 20, 2020 8:30 AM ET Company Participants Sondra Newman - Senior Director, IR Anthony Hunt - CEO & President Jon Snodgres - CFO & Secretary Conference Call Participants Daniel Arias - Stifel, Nicolaus & Company Puneet Souda - SVB Leerink Ruizhi Qin - JPMorgan Chase & Co. Paul Knight - Janney Montgomery Scott John Kreger - William Blair & Company Matthew Hewitt - Craig-Hallum Edward Marks - H.C. Wainwright & Co. Jacob Johnson - Stephens In ...

Repligen Corporation November 2019 Investor Presentation 2 Safe Harbor This presentation contains forward looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These statements are subject to risks and uncertainties which may cause our plans to change or actual results to differ materially from those anticipated. In particular, unforeseen events outside of our cont ...

Repligen Corporation (NASDAQ:RGEN) Q3 2019 Earnings Conference Call October 31, 2019 8:30 AM ET Company Participants Sondra Newman - Global Head of Investor Relations Tony Hunt - President and Chief Executive Officer Jon Snodgres - Chief Financial Officer Conference Call Participants Eleni Apostolatos - JP Morgan Puneet Souda - SVB Leerink Jon Kaufman - William Blair Jacob Johnson - Stephens Inc. Paul Knight - Janney, Montgomery, Scott Matt Hewitt - Craig-Hallum Capital Group Edward Marks - H.C. Wainwright ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-14656 REPLIGEN CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 04-2729386 (State or Other ...

Repligen Corporation (NASDAQ:RGEN) Q2 2019 Results Conference Call August 1, 2019 8:30 AM ET Company Participants Sondra Newman - Global Head of Investor Relations Tony Hunt - President and Chief Executive Officer Jon Snodgres - Chief Financial Officer Conference Call Participants Tycho Peterson - JPMorgan John Kreger - William Blair Matt Hewitt - Craig-Hallum Brandon Couillard - Jefferies Paul Knight - Janney, Montgomery, Scott Steve Schwartz - First Analysis Edward White - HC Wainwright Operator Good day ...