Notice of Housekeeping Rule Amendments – Housekeeping Amendments to the Toronto Stock Exchange Rule Book – TSX Inc.

In accordance with the Process for the Review and Approval of Rules and the Information Contained in Form 21-101F1 (the "Protocol"), TSX Inc. has adopted, and the Ontario Securities Commission has approved, amendments (the "Amendments") to the Toronto Stock Exchange Rule Book (the "TSX Rulebook"). The Amendments are Housekeeping Rules under the Protocol and therefore have not been published for comment. The Ontario Securities Commission has not disagreed with the categorization of the Amendments as Housekeeping Rules.

Reasons for the Amendments

The Amendments are being made to correct formatting errors and standardize terminology in the TSX Rulebook.

Summary of the Amendments

The following section of the TSX Rule Book will be amended:

	Section of the TSX Rule Book	Amendment	Rationale
1.	Rule 1-101 -- Definitions	Amend the definitions for TSX Last Ask Price and TSX Last Bid Price to replace "Last" with "Closing".	Standardize the terminology for TSX Last Bid Price and TSX Last Ask Price with the terminology being used for TSX Closing Price, and re-formatting to ensure that the definitions appear in alphabetical orders with other definitions in the TSX Rule book.

Text of the Amendments

The Amendments are set out as blacklined text in Appendix A.

Timing

The Amendments will become effective December 2, 2021.

APPENDIX A

HOUSEKEEPING AMENDMENTS TO THE TSX RULE BOOK

PART 1 -- INTERPRETATION

Rule 1-101 Definitions (Amended)

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2) In all Exchange Requirements, unless the subject matter or context otherwise requires:

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"TSX Closing Last Ask Price" means the derived last ask price calculated in the manner determined by the Exchange.

Added September 27 Amended December 2, 2021

"TSX Closing Last Bid Price" means the derived last bid price calculated in the manner determined by the Exchange.

Added September 27 Amended December 2, 2021

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