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Trading – Interest Rate Derivatives Trading – Equity and Index Derivatives Back-office – Options

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Back-office – Options Technology Regulation

CIRCULAR 019-18 February 7, 2018 NEW APPROVED PARTICIPANT CITADEL SECURITIES CANADA ULC On February 6, 2018, the application of Citadel Securities Canada ULC to join Bourse de Montréal Inc. as an approved participant was approved by the Special Committee - Regulatory Division of Bourse de Montréal Inc. The head office of Citadel Securities Canada ULC is situated at 100 King Street West, 7th Floor, Toronto, Ontario, M5X 1C7, Canada. The telephone number is 416.306.1169. Citadel Securities Canada ULC operates as « Proprietary Trading », « Market Making”. Mr. Mark Wilkinson, Director, will act as the Designated Representative. For further information, please contact Claude Baril, Director, Enforcement and Legal Counsel at 514.871.3595 or by email at [email protected].

Julie Rochette Vice President and Chief Regulatory Officer

Tour de la Bourse P.O. Box 61, 800 Victoria Square, Montreal, Quebec H4Z 1A9 Telephone: 514 871-2424 Toll free within Canada and the U.S.A.: 1 800 361-5353 Website: www.m-x.ca