 QUEBEC CITY , Aug. 9, 2021 PRNewswire - EXFO Inc. EXFO or the Corporation NASDAQ: EXFO TSX: EXF, announces that 11172239 Canada Inc. the Purchaser has agreed to increase the purchase price for the acquisition of all the issued and outstanding subordinate voting shares of EXFO, from US 6.00 to US 6.25 per subordinate voting share not held directly or indirectly by Germain Lamonde and Philippe Morin. The parties have also amended the arrangement agreement dated June 7, 2021, as amended on July 6, 2021 and July 12, 2021 accordingly. 