GILDAN® Computershare 8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 www.computershare.com MR SAM SAMPLE 123 SAMPLES STREET SAMPLETOWN SS X9X 9X9 Security Class Common Shares Holder Account Number C1234567890 X X X Fold Form of Proxy—Annual General Meeting to be held on May 5, 2022 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1. Every holder has the right to appoint some other person or company of their choice, who need not be a holder, to attend and act on their behalf at the meeting or any adjournment or postponement thereof. If you wish to appoint a person or company other than the persons whose names are printed herein, please insert the name of your chosen proxyholder in the space provided on the reverse and return your proxy by mail or vote by internet at www.investorvote.com. In addition, YOU MUST go to http://www.computershare.com/gildan no later than 10:00 a.m. EDT on the second business day preceding the day of the Meeting or any adjournment thereof, and provide Computershare with the required information for your chosen proxyholder so that Computershare may provide the proxyholder with an Invite Code via email. This Invite Code will allow your proxyholder to log in to and vote at the meeting. Without an Invite Code your proxyholder will only be able to log in to the meeting as a guest and will not be able to vote. 2.If the securities are registered in the name of more than one owner (for example, joint ownership, trustees, executors, etc.), then all those registered should sign this proxy. If you are voting on behalf of a corporation or another individual you must sign this proxy with signing capacity stated, and you may be required to provide documentation evidencing your power to sign this proxy. 3.This proxy should be signed in the exact manner as the name(s) appear(s) on the proxy. 4.If this proxy is not dated, it will be deemed to bear the date on which it is mailed by Management to the holder. 5.The securities represented by this proxy will be voted as directed by the holder, however, if such a direction is not made in respect of any matter, this proxy will be voted as recommended by Management. 6.The securities represented by this proxy will be voted in favour or withheld from voting or voted against each of the matters described herein, as applicable, in accordance with the instructions of the holder, on any ballot that may be called for and, if the holder has specified a choice with respect to any matter to be acted on, the securities will be voted accordingly. 7. This proxy confers discretionary authority in respect of amendments or variations to matters identified in the Notice of Meeting or other matters that may properly come before the meeting or any adjournment or postponement thereof. 8.This proxy should be read in conjunction with the accompanying documentation provided by Management. Fold Proxies submitted must be received by 10:00 a.m., EDT on May 3, 2022. VOTE USING THE TELEPHONE OR INTERNET 24 HOURS A DAY 7 DAYS A WEEK! To Vote Using the Telephone • Call the number listed BELOW from a touch tone telephone. 1-866-732-VOTE (8683) Toll Free To Vote Using the Internet Go to the following web site: www.investorvote.com Smartphone? Scan the QR code to vote now. To Receive Documents Electronically You can enroll to receive future securityholder communications electronically by visiting www.investorcentre.com. To Virtually Attend the Meeting You can attend the meeting virtually by visiting the URL provided on the back of this proxy. If you vote by telephone or the internet, DO NOT mail back this proxy. Voting by mail may be the only method for securities held in the name of a corporation or securities being voted on behalf of another individual. Voting by mail or by internet are the only methods by which a holder may appoint a person as proxyholder other than the Management Nominees named on the reverse of this proxy. Instead of mailing this proxy, you may choose one of the two voting methods outlined above to vote this proxy. To vote by telephone or the internet, you will need to provide your CONTROL NUMBER listed below. CONTROL NUMBER 123456789012345 CPUQC01.E.INT/000001/i1234 01SXQB
