Water Island Capital, LLC Applauds Institutional Shareholder Services (“ISS”) Call for Shareholders to Reject the CPPIB Merger

NEW YORK--(BUSINESS WIRE)--Water Island Capital, LLC (“Water Island”), the manager of investment funds beneficially owning 4,059,572 or 4.13% of Pattern Energy Group, Inc. (NASDAQ: PEGI) (“Pattern Energy”) common stock, applaud Institutional Shareholder Services (“ISS”) in calling on shareholders to reject the CPPIB Merger at the special meeting of Pattern Energy Group shareholders scheduled to be held on March 10, 2020 (the “Special Meeting”).