 TORONTO, Oct. 4, 2021 PRNewswire - Quarterhill Inc. Quarterhill TSX: QTRH OTCQX: QTRHF, announces that it has filed and obtained a receipt for a preliminary short form base shelf prospectus the Shelf Prospectus with the securities commissions in each of the provinces and territories of Canada other than the Province of Québec. All financial information in this press release is reported in Canadian dollars, unless otherwise indicated. 