Cascades Inc. — Proxy Solicitation & Information Statement 2026

Mar 30, 2026

Cascades

Computershare

320 Bay Street, 14th Floor

Toronto, ON M5H 4A6

www.computershare.com

Security Class

Holder Account Number

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Form of Proxy - Annual General Meeting to be held on May 8, 2026

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).
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 may be required to provide documentation evidencing your power to sign this proxy with signing capacity stated. If you are voting on behalf of a corporation you are required to provide your name and designation of office, e.g., ABC Inc. per John Smith, President.
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.

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Proxies submitted must be received by 5:00 pm, Eastern Daylight Time, on May 6, 2026.

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

025R4A

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Appointment of Proxyholder

I/We, being holder(s) of Common Shares of Cascades Inc. hereby appoint: Patrick Lemaire, Chairman of the Board, or failing him Michael Guerra, Corporate Secretary

OR

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

Note: If completing the appointment box above YOU MUST go to http://www.computershare.com/Cascades 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 control number to gain entry to the online meeting.

as proxy of the undersigned with power of substitution, to attend and to vote all of the Common Shares of the Corporation held by the undersigned at the Annual General Meeting of the Shareholders (the "Meeting") of Cascades Inc. (the "Corporation" or "Cascades") which will be held in a virtual format via live webcast online at https://meetings.lumiconnect.com/400-325-166-636 on Friday, May 8, 2026 commencing at 11:00 a.m., Eastern Daylight Time, or any adjournment thereof, with authority to vote at the said proxy's discretion, unless herein otherwise specified.

VOTING RECOMMENDATIONS ARE INDICATED BY HIGHLIGHTED TEXT OVER THE BOXES.

1. Election of Directors

	For	Withhold		For	Withhold		For	Withhold		For	Withhold
01. Alain Lemaire	☐	☐	02. Sylvie Lemaire	☐	☐	03. Sylvie Vachon	☐	☐	04. Hugues Simon	☐	☐
05. Michelle Cormier	☐	☐	06. Patrick Lemaire	☐	☐	07. Hubert T. Lacroix	☐	☐	08. Mélanie Dunn	☐	☐
09. Nelson Gentiletti	☐	☐	10. Elif Lévesque	☐	☐	11. Alex N. Blanco	☐	☐

1. Appointment of Independent Auditor

Appoint PricewaterhouseCoopers LLP, Partnership of Chartered Professional Accountants, as Independent Auditor and authorize the board of directors to fix their remuneration.

For	Against
☐	☐

1. Corporation's approach to Executive Compensation

To consider and, if deemed advisable, approve, on an advisory basis, a resolution regarding the Corporation's approach to executive compensation.

For	Against
☐	☐

1. Shareholder proposal

Consider the shareholder proposal A-1 as described in Schedule A of the Management Proxy Circular.

For	Against
☐	☐

1. Shareholder proposal

Consider the shareholder proposal A-2 as described in Schedule A of the Management Proxy Circular.

For	Against
☐	☐

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. If you are voting on behalf of a corporation you are required to provide your name and designation of office, e.g., ABC Inc. per John Smith, President.

Signature(s)

Date

D D I M M I Y Y

Signing Capacity

Interim Financial Statements – Mark this box if you would like to receive Interim Financial Statements and accompanying Management's Discussion and Analysis by mail.

Annual Financial Statements – Mark this box if you would like to receive the Annual Financial Statements and accompanying Management's Discussion and Analysis 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.

CASQ

390662

AR1

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025R5B