LSL Pharma Group Inc. — Proxy Solicitation & Information Statement 2024

Jun 6, 2024

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FOR WITHHOLD

Appointment of a proxyholder

2. Appointment of Auditors

Appointment of KPMG LLP as Auditors of the Corporation for the ensuing year and authorize the Directors to fix their compensation.

FOR AGAINST WITHHOLD

As holder(s) of Class A Common Shares of LSL Pharma Group Inc. (the “Corporation”), I/we hereby appoint: François Roberge, Chairman of the Board, President and Chief Executive Officer, or failing him, Sylvain Aird, Director and Secretary of the Corporation, or

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Print the name of the person you are appointing if this person is someone other than the individuals listed hereinabove.

as proxyholder with full power of substitution to attend, act and vote for and on behalf of the undersigned in accordance with the following directions (or if no directions have been given, as the proxyholder sees fit) and all other matters that may properly come before the Annual and Special Meeting of Shareholders of the Corporation (the “Meeting”) to held at 1250 René Lévesque Blvd. West, 20th Floor, Montréal, Québec, H3B 4W8 on June 28, 2024, at 10:00 a.m. (Eastern time), by conference call and online by webcast, or at any adjournment or postponement thereof, in the same manner, to the same extent and with the same powers as if the undersigned was/were personally present. To instantly join the conference call by phone, please use the following link to easily register close to the call start time. After registering, the system will call you instantly and connect you into the conference call automatically: https://emportal.ink/3wN8TXe. Alternatively, you may dial in to the conference call by calling 1-888-664-6392 or 416-764-8659 and you will be connected to the call by an operator. You may also stream the call by webcast by following this link: https://app.webinar.net/wDdB9RDo2YQ.

3. Approval of the Stock Option Plan

I/We authorize you to act in accordance with my/our instructions set out above. I/We hereby revoke any proxy previously given with respect to the Meeting. If no voting instructions are indicated above, this proxy will be voted FOR a matter by Management’s appointees or, if you appoint another proxyholder, as such other proxyholder sees fit. On any amendments or variations proposed or any new business properly submitted before the Meeting, I/We authorize you to vote as you see fit.

_________ ____ Signature(s) Date

Please sign exactly as your name(s) appear on this proxy. Please see reverse for instructions. All proxies must be received by June 26, 2024, at 10:00 a.m. ET.

The Corporation’s Board of Directors recommends voting FOR all of the following resolutions. Please use a black pen or a dark pencil.

1. Election	of Directors	FOR	AGAINST
1.	Diane Beaudry
2.	Frank J. Dellafera
3.	Stuart William Fowler
4.	Pierre B. Lafrenière
5.	Mario Paradis
6.	François Roberge
7.	Giuseppe Soccodato

Proxy Form – Annual and Special Meeting of Shareholders of LSL Pharma Group Inc. to be held on June 28 2024, at 10:00 a.m. ET (the “Meeting”)

INTERNET

How to Vote

TELEPHONE

Notes

1. This proxy must be signed by a holder or his or her attorney duly authorized in writing. If you are an individual, please sign exactly as your name appears on this proxy. If the holder is a corporation, a duly authorized officer or attorney of the corporation must sign this proxy, and if the corporation has a corporate seal, its corporate seal should be affixed.

2. If the securities are registered in the name of an executor, administrator or trustee, please sign exactly as your name appears on this proxy. If the securities are registered in the name of a deceased or other holder, the proxy must be signed by the legal representative with his or her name printed below his or her signature, and evidence of authority to sign on behalf of the deceased or other holder must be attached to this proxy.

3. Some holders may own securities as both a registered and a beneficial holder; in which case you may receive more than one Information Circular and will need to vote separately as a registered and beneficial holder. Beneficial holders may be forwarded either a form of proxy already signed by the intermediary, or a voting instruction form to allow them to direct the voting of securities they beneficially own. Beneficial holders should follow instructions for voting conveyed to them by their intermediaries.

4. If a security is held by two or more individuals, any one of them present or represented by proxy at the Meeting may, in the absence of the other or others, vote at the Meeting. However, if one or more of them are present or represented by proxy, they must vote together in respect of such security.

5. Go to www.meeting-vote.com

6. Use any touch-tone phone, call toll free in Canada and the United States 1-888-489-7352 , an agent will help you vote online.

7. Cast your vote online

8. View Meeting documents

To vote by Internet or telephone you will need your control number. If you vote by Internet or telephone, do not return this proxy.

MAIL, FAX OR EMAIL

• Complete and return your signed proxy in the envelope provided or send to:

TSX Trust Company P.O. Box 721 Agincourt, ON M1S 0A1

• You may alternatively fax your proxy to 416-595-9593 or scan and email to proxyvote@tmx.com.

An undated proxy is deemed to bear the date on which it is mailed on behalf of management to you.

All proxies must be received by June 26, 2024, at 10:00 a.m. ET.

All holders should refer to the Information Circular for further information regarding completion and use of this proxy and other information pertaining to the Meeting.

This proxy is solicited by and on behalf of the Company’s Management.

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