
Voting Instruction Form I/We, being holder(s) of Class A subordinate voting shares of Alithya Group inc. (the “Company”), hereby appoint: Pierre Turcotte, Chair of the Board, or failing him, Paul Raymond, director and President and Chief Executive Officer, or: To attend the meeting or to appoint someone to attend it on your behalf, please print your name or the name of such other person here as my/our proxyholder to attend, act and vote on my/our behalf in accordance with the below instructions (or if no instructions are given, as he or she sees fit) on all the matters outlined below and any other matter that may properly come before the annual general and special meeting of shareholders of the Company to be held at 10:00 a.m. (Eastern Daylight Time) on Tuesday, September 10, 2024, in a virtual format via a live audio webcast online at https://web.lumiagm.com/482605375 (the “Meeting”), and at any and all adjournments or postponements thereof in the same manner, to the same extent and with the same powers as if I/we attended it, with full power of substitution. IMPORTANT NOTES FOR SHAREHOLDERS WHO WISH TO ATTEND THE MEETING OR APPOINT SOMEONE OTHER THAN THE PERSONS NAMED BY MANAGEMENT AS THEIR PROXYHOLDER: If you wish to attend the Meeting, you MUST appoint yourself as your proxyholder. If you decide to appoint yourself or someone other than the two directors named by management on this voting instruction form (“VIF”) as your proxyholder to attend and vote at the Meeting, (i) YOU MUST return your VIF by mail, fax or email or submit your appointment and voting instructions using the internet AND (ii) YOU OR YOUR PROXYHOLDER MUST ALSO either complete the online form available at https://www.tsxtrust.com/control-number-request or call TSX Trust Company (“TSX Trust at 1-866-751-6315 (toll free in Canada and the United States) or 1-416-682-3860 (other countries) by no later than 10:00 a.m. (Eastern Daylight Time) on September 6, 2024 to register yourself or your proxyholder and provide an email address at which TSX Trust will send a 13-digit proxyholder control number 24 to 48 hours before the Meeting. As it is not possible to appoint a person other than the two directors named by management on this VIF by telephone, voting by telephone is not recommended. The proxyholder control number you or your proxyholder will receive via email will allow you or your proxyholder to attend and vote at the Meeting. Without such proxyholder control number, you or your proxyholder will only be able to attend the Meeting as a guest and will not be able to vote or ask questions and your vote will not be counted as a proxyholder must attend the Meeting for your vote to be counted. The control number appearing on this VIF is NOT a proxyholder control number and may therefore not be used by you or your proxyholder to attend and vote at the Meeting. VOTING RECOMMENDATIONS ARE INDICATED BY OVER THE BOXES. Please use a dark black pencil or pen. 1. Election of Directors: WITHHOLD WITHHOLD 1. Dana Ades-Landy 6. Paul Raymond 2. André P. Brosseau 7. Ghyslain Rivard 3. Robert Comeau 8. C. Lee Thomas 4. Ines Gbegan 9. Pierre Turcotte 5. Lucie Martel 2. Appointment of the Auditor: WITHHOLD To appoint KPMG LLP as auditor of the Company and authorize the Board to fix their remuneration. 3. Long Term Incentive Plan: To adopt the ordinary resolution to approve the unallocated awards under the Company’s Long Term Incentive Plan, as further described in the management information circular. AGAINST Under Canadian securities laws, you are entitled to receive certain financial documents of the Company. If you wish to receive such documents, please tick the applicable boxes below. You may also go to TSX Trust’s website at https://services.tsxtrust.com/financialstatements and input code 0417a. I/we would like to receive the Company’s quarterly financial statements and the related management’s discussion and analysis ☐ I/we would like to receive the Company’s annual financial statements and the related management’s discussion and analysis IWe authorize you to act in accordance with my/our instructions set out above. I/We hereby revoke any voting instructions previously given with respect to the Meeting. If no voting instructions are indicated above, the shares’ voting rights represented by this VIF will be voted as recommended by management or, if you appoint someone else as your proxyholder, as such other proxyholder sees fit. On any amendments or variations proposed or any new business properly submitted at the Meeting, I/We authorize my/our proxyholder to vote as such proxyholder sees fit. Signature(s) Date Please see reverse for instructions. If this VIF is not dated, it will be deemed to bear the date on which it was mailed by management. All VIFs must be received by TSX Trust Company by 10:00 a.m. (Eastern Daylight Time) on September 6, 2024.