Investor FAQ

Where is Jounce’s corporate headquarters located?
The Company’s headquarters are located at 780 Memorial Drive, Cambridge, MA 02139. The main office number is 857-259-3840.
How is Jounce’s stock traded?
Jounce is traded on the NASDAQ Global Market under the ticker symbol JNCE, and its CUSIP number is 481116 101.
Who were the managing underwriters for the IPO?
J.P. Morgan, Cowen and Company, Wells Fargo and Robert W. Baird & Co.
When was Jounce’s Initial Public Offering?
Jounce’s shares first started trading on NASDAQ on January 27, 2017.
When is Jounce’s fiscal year-end?
The Company’s fiscal year ends on December 31st.
How can I purchase shares?
Shares can be purchased through a stockbroker of your choice. Jounce does not have a direct stock purchase plan.
Who is Jounce’s transfer agent?
Communication regarding transfer requirements, lost certificates, and change of address should be directed to:

Computershare
P.O. Box 30170
College Station, TX 77842-3170

877-373-6374

Investor Centre website
www.computershare.com/investor
Who are Jounce’s independent auditors?
Independent Auditors:
Ernst & Young LLP
200 Clarendon Street
Boston, MA 02116
617-266-2000
Where can I view Jounce’s latest corporate news releases?
Jounce press release archives can be viewed in the Press Releases section.
How can I view documents that Jounce has filed with the Securities & Exchange Commission (SEC), including Forms 10-K and 10-Q?
Quarterly and annual reports, as well as other SEC filings, can be accessed in the Financial Information section of our Investor Relations & Media webpage or directly from the SEC at www.sec.gov.
Whom should I contact if I have other questions?
You can submit questions to the Jounce investor relations team by contacting Investors@jouncetx.com.