Canso Select Opportunities Corporation — Proxy Solicitation & Information Statement 2026

Apr 23, 2026

C S O C

Canso Select Opportunities Corporation

Notification of Availability of Investor Materials

Dear Investor:

Please find attached your form of proxy for:

Canso Select Opportunities Corporation ("CSOC")
Annual General Meeting of Shareholders (the "Meeting")
May 26, 2026 at 10:30 a.m. (Eastern Daylight Time)
100 York Boulevard, Suite 550
Richmond Hill, Ontario, L4B 1J8

The Meeting will be held in person but access to the Meeting is available by way of teleconference at 1 (888) 279-3161 (Access Code: 201930103#). CSOC encourages shareholders to vote their shares prior to the Meeting following the instructions set out in the form of proxy or voting instruction form received by such shareholders.

The following matters will be reviewed and voted upon at this meeting:

• Election of Directors, as detailed on pages 6 - 8 of the CSOC Management Information Circular dated April 1, 2026
• Appointment of Auditors, as detailed on page 9 of the CSOC Management Information Circular dated April 1, 2026
• Other business as may be properly brought before the meeting

Electronic copies of investor materials related to the Meeting and the 2025 Annual Report of CSOC may therefore be found at and downloaded from https://docs.tsxtrust.com/CSOC. We have added features that will make searching for relevant sections and specific items a much easier process than finding this information in the paper versions of these documents.

You have a number of options to vote your proxy:

• Fax your signed proxy to 416-607-7964
• Return your signed proxy by mail using the enclosed prepaid proxy return envelope
• Scan and send your signed proxy to proxyvote@tmx.com

However you choose to vote, we must receive your vote by 5:00 p.m. (Eastern Time) on Friday, May 22, 2026. We also strongly encourage you to first review the matters under discussion for the meeting as described in our Management Information Circular dated April 1, 2026 at https://docs.tsxtrust.com/CSOC.

Should you wish to receive paper copies of investor materials related to the Meeting, or the 2025 Annual Report of CSOC, or have any questions about this notice, please contact us at 1-888-433-6443 (toll-free within Canada & US) or tsxt-fulfilment@tmx.com prior to May 7, 2026 and we will send them within three business days, giving you sufficient time to vote your proxy. Following the Meeting the documents will remain available at the website listed above for a period of one year.

Notice-and-access is also being used to send CSOC's 2025 annual financial statements and related MD&A to Investors. Electronic copies may be found at and downloaded from https://docs.tsxtrust.com/CSOC.

Dated April 6, 2026