Notice of Withdrawal - Enhancement of "Seek Dark Liquidity" Functionality – TSX Inc.

In accordance with the Process for the Review and Approval of Rules and the Information Contained in Form 21-101F1 and the Exhibits thereto (the "Protocol") in Schedule 10 of the Ontario Securities Commission's recognition order recognizing Toronto Stock Exchange ("TSX") as an exchange, TSX has withdrawn the Notice of Proposed Changes and Request for Comments published on March 14, 2019 in relation to the enhancement of ‘seek dark liquidity’ functionality. To the extent the TSX decides to pursue the proposal again, it will be published for comment in accordance with the requirements of the Protocol.