TSX DRK Liquidity Guide

10 • If the marketplace quote is alone at the Protected NBB or NBO, a DRK Limit order resting at this price will be eligible to execute with any-sized incoming order once the displayed liquidity is exhausted. (Please see Appendix • 1.0.5 for an example of an incoming Small Order trading with a DRK Limit order at the Protected NBBO). • DRK Limit orders can be entered with a full tick limit price or a market price. TSX/TSXV may assign a limit price based on the original limit or the existing bid/ask tick limits. • Upon entry, DRK Limit orders are eligible to trade against contra DRK Limit or DRK Pegged orders, and, unless the DRK Limit order was entered with a MIS condition, visible orders. (See section on MIS for the active order restrictions). • DRK Limit executions are protected in the form of bid/ask tick limits. • DRK Limit orders are automatically protected from unintentional trade-throughs by only executing at prices at or inside the Protected ABBO. When the Protected ABBO changes, a resting DRK Limit order may be re-priced to ensure it does not trade through the opposite side Protected ABBO price. When the DRK Limit order is re- priced it may execute against a contra order if it is determined to be tradable. (Please see Appendix 1.0.3).

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