EX-99.3

Exhibit 99.3

LOGO

000001 MR SAM SAMPLE 123 SAMPLES STREET SAMPLETOWN SS X9X 9X9 Security Class 123 Holder Account Number C1234567890 XXX Black or Blue pen preferred. Print in CAPITAL letters inside the boxes. Fold Proxy Form - Annual Meeting of Shareholders to be held on April 13, 2021 Notes to Proxy Form 1. Every shareholder has the right to appoint a proxyholder, who need not be a shareholder, to attend the virtual meeting, vote and act on their behalf at the meeting. If you wish to appoint a person or company other than the persons designated in this form of proxy, please insert the name of your chosen proxyholder in the space provided (see reverse). 2. If the shareholder is a corporation, the proxy should be signed by its duly authorized officer(s). Signatories on behalf of a corporation, trust, estate or under power of attorney or similar authority should specify the capacity in which they sign. Documentation may be required evidencing authority. 3. This form of proxy revokes any proxy previously given with respect to the meeting. 4. If this form of proxy is not dated, it will be deemed to bear the date on which it is mailed to the shareholder. 5. The shares represented by a properly executed proxy will be voted for or against or withheld from voting or the shareholder may vote to abstain, as applicable, in each case as instructed by the shareholder. This form of proxy confers discretionary authority on the proxyholder to vote as they wish in respect of each matter set forth herein if no choice is specified and in respect of any amendments or other matters that may properly come before the meeting. Unless otherwise specified, the proxyholders designated by management in this form of proxy will vote FOR items 1, 2 and 3 and AGAINST items 4,5 and 6. 6. If you mark the ABSTAIN box, you are directing your proxy to ABSTAIN from voting FOR or AGAINST that item. An abstention will be counted as present for quorum purposes but will not be counted as a vote cast in determining whether the requisite majority of votes cast has approved the proposal. The number of abstentions will be tabulated in the voting results. 7. This form of proxy should be read with the Notice of Meeting and Management Proxy Circular. Fold METHOD OF VOTING To Vote by Mail To Vote by Fax To Virtually Attend the Meeting To Vote Using the Internet To Receive Documents Electronically Complete, sign and date the reverse hereof. Forward it by fax to 1-866-249-7775 for calls within Canada and the U.S. There is NO CHARGE for this call. Forward it by fax to 416-263-9524 for calls outside Canada and the U.S. Complete, sign and date the reverse hereof. Return this Proxy in the envelope provided or to Computershare Trust Company of Canada100 University Avenue, 8th floor Toronto, Ontario M5J 2Y1 Go to the following web site: www.investorvote.com Smartphone? Scan the QR code to vote now. You can attend the meeting virtually by visiting the URL provided on the back of this proxy. You can enroll to receive future shareholder communications electronically by visitingwww.investorcentre.com and clicking on “Receive Documents Electronically”. Proxies must be received by 9:00 a.m. (Eastern), April 12, 2021. To vote by Internet, you will need to provide your CONTROL NUMBER listed below. 123456789012345 CONTROL NUMBER ® Registered trademark of The Bank of Nova Scotia. CPUQC01.E.INT/000001/i1234 017BN40001 01NZAK