Aug 26 (Reuters) - Petrolia Inc PEA.V
* Says Alexandre Gagnon's notice to board of directors that he is resigning as CEO and member of board
* Petrolia Inc says has begun process to fill CEO position
* Says in meantime, Martin Belanger will act as interim CEO Source text for Eikon: ID:nCCN7yj7Dv Further company coverage: PEA.V