 QUEBEC CITY , Aug. 3, 2021 PRNewswire - EXFO Inc. EXFO or the Corporation NASDAQ: EXFO TSX: EXF, is pleased to announce that Institutional Shareholder Services Inc. ISS, a leading third party proxy advisory firm, which, among other services, provides voting recommendations to pension funds, investment managers, mutual funds and other institutional shareholders has recommended that EXFO shareholders vote in favour of the going private transaction proposed by 11172239 Canada Inc, the Purchaser, a corporation controlled by Mr. Germain Lamonde. 