Additional Proxy Soliciting Materials (Form DEFA14A)

Filed by the Registrant

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Filed by a Party other than the Registrant

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Preliminary Proxy Statement

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Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

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Definitive Proxy Statement

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Definitive Additional Materials

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Soliciting Material Pursuant to §240.14a-12

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No fee required.

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Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

(2) Aggregate number of securities to which transaction applies:

(3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

(4) Proposed maximum aggregate value of transaction:

(5) Total fee paid:

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Fee paid previously with preliminary materials.

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Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

(1) Amount Previously Paid:

(2) Form, Schedule or Registration Statement No.:

(3) Filing Party:

(4) Date Filed:

Coller Private Market

Secondaries Advisors, LLC.

July 2, 2026

950 Third Avenue
New York NY 10022

Tel: +1 212 644 8500
Fax: +1 212 644 9133

[email protected]
www.collercapital.com

Strictly Private and Confidential

Page 2 of 2

NAME & ADDRESS HERE

As a shareholder of Coller Secondaries Private Equity Opportunities Fund, you have the option of voting your shares electronically through the Internet or by telephone, eliminating the need to return the proxy card. Your electronic or telephonic vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed, dated, and returned the proxy card. Votes submitted electronically over the Internet or by telephone must be received by 11:59 pm, Eastern Time, on July 16, 2026.

This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made, this proxy will be voted in accordance with the Board of Trustees' recommendations.

NAME & ADDRESS HERE

Signature________________________________________________

Date____________________________________________________

Title____________________________________________________

Signature (Joint Owners)____________________________________

CONTROL NUMBER

NOTE: Please sign exactly as name(s) appear(s) hereon. When signing as attorney, executor, administrator or other fiduciary, please give full title as such. Joint owners should each sign personally. If a corporation, limited liability company or partnership, please sign in full corporate, limited liability company, or partnership name by authorized officer or person.

Address Change:

(If you noted any Address Changes above, please mark box.) ☐

Your Board of Trustees recommends a vote FOR Proposal No. 1.

Please mark your votes like this ☒

1. To approve a new investment advisory agreement between the Fund and the Adviser..

FOR ☐ AGAINST ☐ ABSTAIN ☐

Note: Such other business that may properly come before the meeting.