To attend the Annual Meeting virtually, beneficial owners must obtain a legal proxy from the holder of record and submit proof of legal proxy reflecting the number of shares of the Company common stock held as of the Record Date. Stockholders will then receive a confirmation of registration and an individual link to access the virtual Annual Meeting.

Proteostasis Therapeutics, Inc., a clinical stage biopharmaceutical company dedicated to the discovery and development of groundbreaking therapies to treat cystic fibrosis (CF), today announced that, due to public health and safety concerns related to the ongoing COVID-19 global pandemic and to support the health and well-being of its stockholders, employees and others, the Company is changing its 2020 Annual Meeting of Stockholders (the “Annual Meeting”) to a virtual-only format that will be held via live audio webcast. The virtual Annual Meeting is expected to provide stockholders with the same rights and opportunities to participate as they would have at an in-person meeting.
The previously announced date and time of the Annual Meeting, Monday, June 29, 2020, at 9:00 a.m. Eastern Time, as disclosed in the previously distributed Notice of the Annual Meeting and Definitive Proxy Statement, has not changed. Online access to the Annual Meeting will begin at approximately 8:45 a.m. Eastern Time. Stockholders will not be able to attend the Annual Meeting in person.
Attending the Virtual Meeting as a Stockholder of Record
The Company’s stockholders of record as of April 30, 2020 (the “Record Date”) can register to attend the Annual Meeting by accessing the meeting center at www.proxydocs.com/PTI and entering the control number on the proxy card or Notice of Internet Availability of Proxy Materials previously received. You will need to register to attend the Annual Meeting at www.proxydocs.com/PTI by no later than Thursday, June 25, 2020 at 5:00 p.m. Eastern Time. You will be emailed an individual link to attend the virtual Annual Meeting. Instructions on how to connect to the Annual Meeting and participate via the Internet, including how to demonstrate proof of stock ownership, are posted at www.proxydocs.com/PTI.
Registering to Attend the Annual Meeting as a Beneficial Owner
We have been advised by Mediant Communications that beneficial stockholders as of the Record Date (i.e. shares held in “street name” through an intermediary, such as a bank or broker) who want to attend the Annual Meeting virtually must register in advance at www.proxydocs.com/PTI using the control number found on the proxy card or Notice of Internet Availability of Proxy Materials previously received by no later than Thursday, June 25, 2020 at 5:00 p.m. Eastern Time.
To attend the Annual Meeting virtually, beneficial owners must obtain a legal proxy from the holder of record and submit proof of legal proxy reflecting the number of shares of the Company common stock held as of the Record Date. Stockholders will then receive a confirmation of registration and an individual link to access the virtual Annual Meeting.