April 8 (Reuters) - Mareterram Ltd MTM.AX :
* Proportional takeover offer by sea harvest
* Sea Harvest'S ownership of Mareterram shares will increase up to maximum of 59.6% for a cash consideration of $19.7 million
* Entered into a bid implementation agreement (BIA) with its major shareholder Sea Harvest Holdings Proprietary Limited (Sea Harvest)
* Source text for Eikon ID:nASX6Vlck6