Tourmaline Oil : Form of Proxy (FINAL)

TOURMALINE OIL CORP. Form of Proxy - Annual Meeting of Shareholders to be held on June 3, 2026

Traderʹs Bank Building 1100, 67 Yonge Street Toronto ON M5E 1J8

Appointment of Proxyholder

This Form of Proxy is solicited on behalf of management of Tourmaline Oil Corp. (ʺTourmalineʺ

or the ʺCompanyʺ) in connection with the 2026 Annual Meeting of Shareholders (the OR ʺMeetingʺ) to be held in the Calgary Marriott Downtown located at 110 - 9 Avenue SE,

Calgary, Alberta on Wednesday, June 3, 2026 at 3:00 p.m. (Calgary time) and any adjournments or postponements thereof.

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

The undersigned registered holder of common shares of Tourmaline hereby appoints Michael L. Rose, President and Chief Executive Officer of the Company or, failing him, Brian G. Robinson, Chief Financial Officer of the Company, or instead of either of the foregoing, the person named above as proxy of the undersigned, with full powers of substitution, to attend and act and vote for and on behalf of the undersigned at the Meeting.

Management recommends voting ʺFORʺ each of the following matters as indicated by the bold text over the boxes below.

1. Election of Directors.	FOR	Withhold	FOR	Withhold	FOR	Withhold
a. Michael L. Rose		b. Brian G. Robinson		c. Jill T. Angevine
d. William D. Armstrong		e. Lee A. Baker		f. Christopher E. Lee
g. Andrew B. MacDonald		h. Lucy M. Miller		i. Travis J. Toews
j. Janet L. Weiss
2. Appointment of Auditors. The re-appointment of KPMG LLP, Chartered Professional Accountants, as auditor of Tourmaline for the ensuing year and to authorize the directors of the Company to fix their remuneration as such.					FOR	Withhold
3. Unallocated Options. To consider and, if deemed advisable, to pass the ordinary resolution (the ʺShare Option Plan Resolutionʺ), with or without variation, relating to the approval of unallocated options as more particularly described in the Management Information Circular dated April 17, 2026 (the ʺInformation Circularʺ).					FOR	Against
4. Restricted Share Unit Award Plan. To consider and, if deemed advisable, to pass the ordinary resolution (the ʺRSU Plan Resolutionʺ), with or without variation, relating to the approval of the New RSU Plan as more particularly described in the Information Circular.					FOR	Against
5. Transact such other business as may properly be brought before the Meeting or any adjournment thereof
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.			Signature(s):	Date
			MM / DD / YY
Interim Financial Statements - Check the box to the right if you would like to receive interim financial statements and accompanying Managementʹs Discussion & Analysis by mail. See reverse for instructions to sign up for delivery by email.			Annual Financial Statements - Check the box to the right if you would like to NOT RECEIVE the annual financial statements and accompanying Managementʹs Discussion and Analysis by mail. See reverse for instructions to sign up for delivery by email.

DN:

INSTEAD OF MAILING THIS PROXY, YOU MAY SUBMIT YOUR PROXY USING SECURE ONLINE VOTING AVAILABLE ANYTIME: This form of proxy is solicited by and on behalf of Management. Proxies must be received by 3:00 PM (Calgary time) on June 1, 2026.

Notes to Proxy

1. Each holder has the right to appoint a person, who need not be a holder, to attend and represent them at the Meeting. If you wish to appoint a person other than the persons whose names are printed herein, please insert the name of your chosen proxyholder in the space provided on the reverse.

2. If the securities are registered in the name of more than one holder (for example, joint ownership, trustees, executors, etc.) then all of the registered owners must sign this proxy in the space provided on the reverse. 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.

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

7. 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.

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

To Vote Your Proxy Online please visit: https://vote.odysseytrust.com

You will require the CONTROL NUMBER printed with your address to the right.

If you vote by Internet, do not mail this proxy.

To request the receipt of future documents via email and/or to sign up for Securityholder Online services, you may contact Odyssey Trust Company at https://odysseytrust.com/ca-en/help/.

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. A return envelope has been enclosed for voting by mail.