Fireweed Metals Corp. — Proxy Solicitation & Information Statement 2020

Apr 30, 2020

==> picture [172 x 38] intentionally omitted <==

==> picture [97 x 18] intentionally omitted <==

8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 www.computershare.com

Security Class

Holder Account Number

==> picture [10 x 5] intentionally omitted <==

----- Start of picture text -----

Fold
----- End of picture text -----

Form of Proxy - Annual and Special Meeting to be held on June 8, 2020

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. 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 (see reverse).

1. 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 may be required to provide documentation evidencing your power to sign this proxy with signing capacity stated.

2. This proxy should be signed in the exact manner as the name appears on the proxy.

3. 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.

1. The securities represented by this proxy will be voted or withheld from voting, 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.

2. This proxy confers discretionary authority in respect of amendments to matters identified in the Notice of Meeting or other matters that may properly come before the meeting.

3. This proxy should be read in conjunction with the accompanying documentation provided by Management.

==> picture [10 x 5] intentionally omitted <==

----- Start of picture text -----

Fold
----- End of picture text -----

Proxies submitted must be received by 2:00 p.m., Eastern Time, on June 4, 2020.

VOTE USING THE TELEPHONE OR INTERNET 24 HOURS A DAY 7 DAYS A WEEK!

==> picture [25 x 32] intentionally omitted <==

To Vote Using the Telephone

• Call the number listed BELOW from a touch tone telephone.

1-866-732-VOTE (8683) Toll Free

==> picture [29 x 42] intentionally omitted <==

==> picture [35 x 31] intentionally omitted <==

==> picture [31 x 31] intentionally omitted <==

To Virtually Attend the Meet ~~i~~ ng

To Vote Using the Internet

To Receive Documents Electronically

• Go to the following web • You can enroll to receive future • You can attend the meeting virtually site: www.investorvote.com securityholder communications electronically by visiting the URL provided on the

• • Smartphone? by visiting www.investorcentre.com and back of this proxy. Scan the QR code clicking at the bottom of the page. to vote now.

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

01LKKB

Appointment of Proxyholder

I/We being holder(s) of Liminal BioSciences Inc. hereby appoint: Kenneth Galbraith or failing this person, Stefan Clulow

Print the name of the person you are OR appointing if this person is someone other than the Management Nominees listed herein.

Note: If completing the appointment box above and your appointee intends on attending online YOU MUST go to https://www.computershare.com/Liminal and provide Computershare with the name and email address of the person you are appointing. Computershare will use this information ONLY to provide the appointee with a user name to gain entry to the online meeting. If the appointee is attending the meeting in person, this step is NOT required.

as my/our proxyholder with full power of substitution and to vote in accordance with the following direction (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 Liminal BioSciences Inc. to be held online at https://web.lumiagm.com/162124167, on June 8, 2020 at 2:00 p.m. (Eastern time) and at any adjournment thereof.

VOTING RECOMMENDATIONS ARE INDICATED BY HIGHLIGHTED TEXT OVER THE BOXES.

1. Election of Directors

1. Election of Directors
For Withhold For		Withhold		For	Withhold
						Fold
01. Stefan Clulow 02. Simon Best			03. Kenneth Galbraith
04. Gary Bridger 05. Neil A. Klompas			06. Zachary Newton
07. Timothy Steven Wach
				For	Withhold
2. Appointment of Auditors To appoint PricewaterhouseCoopers LLP as Auditors of the Company for the ensuing year and to authorize the Directors to fx their remuneration.
				For	Against
3. Special Resolution: Articles of Amendment
To consider, and if deemed advisable, pass a special resolution (the “Special Resolution”), the full text of which is reproduced in		Schedule “E”to the Management Information Circular,
amending the articles of incorporation of the Company to allow for meetings of shareholders to be held at certain places outside of Canada (for details, see subsection “Amendment to Articles
of Incorporation and Amendment to By-Law No. 1” under the “Business of the Meeting” section of the Management Information Circular).
				For	Against
4. Resolution: By-Law
To consider, and if deemed advisable, pass an ordinary resolution (the “By-Law Resolution”), the full text of which is reproduced inSchedule “F”to the Management Information Circular, ratifying, confrming and approving certain amendments to By Law No. 1 of the Company enacted by the board of directors of the Company (i) on March 16, 2020 in order to harmonize the
text of By Law No. 1 with the Special Resolution which provides for meetings of shareholders to be held at certain places outside	of Canada,		and (ii) on April 3, 2020 in order to provide the
possibility to hold shareholder meetings by electronic means (for details, see subsection “Amendment to Articles of Incorporation		and Amendments to By-Law No. 1” under the “Business of the
Meeting” section of the Management Information Circular).
				For	Against
						Fold

5. Resolution: Re-Pricing

To consider, and if deemed advisable, pass an ordinary resolution of the disinterested shareholders (the “ Re-Pricing Resolution ”), the full text of which is reproduced in Schedule “G” to the Management Information Circular, ratifying the re-pricing of certain stock options (for details, see subsection “Amendment of Stock Options” under the “Business of the Meeting” section of the Management Information Circular).

Signature(s)

Date

Authorized Signature(s) – This section must be completed for your instructions to be executed.

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 as recommended by Management.

MM / DD / YY

Interim Financial Statements – Mark this box if you would like to receive interim financial statements and Annual Report – Mark this box if you would like to receive the Annual Report and accompanying accompanying Management’s Discussion and Analysis Management’s Discussion and Analysis by mail. by mail.

If you are not mailing back your proxy, you may register online to receive the above financial report(s) by mail at www.computershare.com/mailinglist.

P L F Q

A R 1

2 9 6 2 1 7

01LKLC