Certain Class A Common Stock of TerraForm Power, Inc. are subject to a Lock-Up Agreement Ending on 3-DEC-2019. These Class A Common Stock will be under lockup for 61 days starting from 3-OCT-2019 to 3-DEC-2019.

Details:
The Company, its directors and officers, and affiliates of Brookfield which own shares of common stock, have agreed with the underwriters, subject to certain exceptions, not to dispose of or hedge any of their common stock or securities convertible into or exchangeable for shares of common stock during the period from the date of this prospectus supplement continuing through the date 60 days after the date of this prospectus supplement, except with the prior written consent of RBC Capital Markets, LLC.