O2Gold Inc. — Board/Management Information 2021

Aug 3, 2021

FORM 51-102F3 MATERIAL CHANGE REPORT

Item 1 Name and Address of Company

O2Gold Inc. (“ O2Gold ” or the “ Company ”) 198 Davenport Road Toronto, Ontario M6R 1J2

Item 2 Date of Material Change

July 29, 2021

Item 3 News Release

A news release in respect of the material change was issued by O2Gold through the facilities of GlobeNewswire on July 29, 2021 and was subsequently filed on SEDAR.

Item 4 Summary of Material Change

The Company appointed Mr. Fayyaz Alimohamed to the Company’s board of directors, effective immediately.

Item 5 Full Description of Material Change

The Company appointed Mr. Fayyaz Alimohamed to the Company’s board of directors, effective immediately.

Item 6 Reliance on subsection 7.1(2) of National Instrument 51-102

Not applicable.

Item 7 Omitted Information

Not applicable.

Item 8 Executive Officer

Jaime Lalinde, President and CEO (57) 312 350 5864

Item 9 Date of Report

August 3, 2021