Alterego Ventures 24 Corp. — Board/Management Information 2025

May 1, 2025

FORM 51-102F3
MATERIAL CHANGE REPORT

1. Name and Address of Company
   Alterego Ventures 24 Corp. (the "Company")
   2482 Yonge St, Unit 23
   Toronto, Ontario, Canada M4P 2H5

2. Date of Material Change
   April 30, 2025.

3. News Release
   A press release disclosing the material change was released on April 30, 2025, through the facilities of TheNewswire.

4. Summary of Material Change
   The Company announced that Rita Alter, Chief Executive Officer, is taking a temporary leave of absence from the Company, effective immediately, and Hillar Lilles, director of the Company, has been appointed to act as Interim CEO of the Company until Ms. Alter’s return and re-appointment as CEO. Ms. Alter will continue to serve as a director of the Company.

The Company also announces the resignation of Wayne Miller from his role as a director of the Company, effective May 1, 2025. Subsequent to Mr. Miller’s resignation, the board of directors of the Company consists of Rita Alter, Jason Saltzman, and Hillar Lilles.

1. Full Description of Material Change
   A full description of the material change is fully described in the Company's press release which is attached hereto as Schedule "A" and incorporated herein.

2. Reliance on subsection 7.1(2) of National Instrument 51-102
   The report is not being filed on a confidential basis.

3. Omitted Information
   No significant facts have been omitted from this Material Change Report.

4. Executive Officer
   For further information, contact Noah Herscovici, Chief Executive Officer of the Company at 972-545-4914.

5. Date of Report
   May 1, 2025.

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SCHEDULE "A"

PRESS RELEASE

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PRESS RELEASE

ALTEREGO VENTURES 24 CORP. ANNOUNCES

TEMPORARY LEAVE OF ABSENCE OF CEO, APPOINTMENT OF INTERIM CEO, AND DIRECTOR RESIGNATION

Toronto, Ontario
April 30, 2025.

Alterego Ventures 24 Corp. (TSXV: ALTR.P) (the "Company"), a capital pool company listed on the TSX Venture Exchange, announces that Ms. Rita Alter, Chief Executive Officer (“CEO”) of the Company, has taken a temporary leave of absence in her role as CEO in the Company, effective immediately.

In light of Ms. Alter’s absence, the Company has appointed Hillar Lilles, a current director of the Company, to act as Interim CEO until Ms. Alter’s return and re-appointment as CEO. Ms. Alter will continue to serve as a director of the Company. The Company will provide an update on the expected return of Ms. Alter at a later date. Hillar Lilles has been a director with the Company since 2019.

The Company also announces that Wayne Miller has tendered his resignation as a director of the Company, with such resignation to be effective as of May 1, 2025. The Company wishes to thank Mr. Miller for his services and contributions. Subsequent to Mr. Miller’s resignation, the board of directors of the Company now consists of Rita Alter, Jason Saltzman, and Hillar Lilles.

For further information, please contact:

Noah Herscovici
Chief Financial Officer
Telephone: (972) 545-4914
E-mail: noah@alabs.co

NEITHER THE TSX VENTURE EXCHANGE INC. NOR ITS REGULATION SERVICES PROVIDER (AS THAT TERM IS DEFINED IN THE POLICIES OF THE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

Notice Regarding Forward Looking Information

This press release contains forward-looking statements under applicable laws in relation to the absence and expected return of Ms. Alter. Although the Company has attempted to identify important factors that could cause actual actions, events, conditions, results, performance or achievements to differ materially from those described, there may be other factors that cause actions, events, conditions, results, performance or achievements to differ from those anticipated, estimated or intended. The Company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise, or to explain any material difference between subsequent actual events and such forward-looking statements, except to the extent required by applicable law. Accordingly, readers should not place undue reliance on forward-looking statements.