Company: RPTX
Filing Date: 2025-12-03
Form Type: PREM14A
Source: 0001193125-25-306948
Chunk: 103

Company: Repare Therapeutics Inc.
Filing Date: 2025-12-03
Form: PREM14A
Chunk 103
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 other circumstances. Non-ResidentHolders should consult their own tax advisors in this regard. In the event that Common Shares constitute taxable Canadian property to a Non-ResidentHolder and any capital gain realized by the Non-ResidentHolder on the disposition or deemed disposition of the Common Shares under the Arrangement (including any capital gain deemed to be realized if the amount per Common Share received by the Non-ResidentHolder on the Distribution exceeds the adjusted cost base of such share immediately before the Distribution) is not exempt from Canadian tax pursuant to the terms of an applicable income tax treaty or convention, then the tax consequences described above under the heading “ Holders Resident in Canada — (v) Taxation of Capital Gains and Losses” will generally apply. Non-ResidentHolders whose Common Shares may constitute taxable Canadian property should consult their own tax advisors for advice having regard to their particular circumstances. An amount paid by or on behalf of the Purchaser under the CVRs to a Non-ResidentShareholder will generally not be subject to Canadian withholding tax.

| (iii) | Dissenting Shareholders |

A Non-ResidentHolder who duly and validly exercises Dissent Rights (a “ Non-ResidentDissenting Holder”) who receives a cash payment from or on behalf of the Purchaser in respect of the fair value of the Non-ResidentDissenting Holder’s Dissent Shares will be deemed to have disposed of the Dissent Shares to the Purchaser for proceeds of disposition equal to the amount received by the Non-ResidentDissenting Holder 60

(excluding the amount of any interest awarded by a court). The tax treatment of a Non-Resident Dissenting Holder in respect of such a disposition will be
similar to that of a Non-Resident Holder who participates in the Arrangement, as described above.

An amount paid in respect of interest to a Non-Resident Dissenting Holder will generally not be
subject to Canadian withholding tax.

Non-Resident Dissenting Holders whose shares are taxable
Canadian property should consult their own tax advisors for advice having regard to their particular circumstances.

61

NOTICES TO SHAREHOLDERS IN CANADA

This Circular and Proxy Statement is subject to the requirements of Section 14(a) of the U.S. Exchange Act, as well as applicable
Canadian corporate and Securities Laws. Accordingly, this Circular and Proxy Statement has been prepared in accordance with disclosure requirements in effect in the United States and in Canada.

Financial statements and other financial information