Oct 13 (Reuters) - OceanaGold Corp OGC.AX :
* IMPLEMENTED PERMANENT LAYOFF OF 496 OCEANAGOLD (PHILIPPINES) INC. (OGPI) EMPLOYEES
* MAY BE REQUIRED TO IMPLEMENT A SECOND-ROUND OF PERMANENT LAY-OFFS IN MID- NOVEMBER
* ALONG WITH TERMINATION OF DIRECT EMPLOYEES, ABOUT 400 PEOPLE WORKING WITH CONTRACTORS ARE ALSO IMPACTED