Certain Common Stock of CoreSite Realty Corporation are subject to a Lock-Up Agreement Ending on 27-JAN-2022. These Common Stock will be under lockup for 30 days starting from 28-DEC-2021 to 27-JAN-2022.

Details:
The company, its operating partnership, the selling stockholder and certain of its affiliates have agreed for a period of 30 days from the date of this prospectus, not to offer or sell any shares of common stock of the company without the prior consent of the underwriters.