Dec 11 (Reuters) - Primorus Investments PLC PRIMP.L :
* PRIMORUS INVESTMENTS - GREATLAND GOLD INVESTMENT UPDATE
* PRIMORUS INVESTMENTS PLC - NEWCREST DRILLING EXPANDS ALREADY VERY LARGE HAVIERON FOOTPRINT 300M TO NORTH
* PRIMORUS INVESTMENTS PLC - BELIEVES HAVIERON IS A TIER 1 AUSTRALIAN GOLD/COPPER DEPOSIT THAT MAY HOST 20MOZ+
* PRIMORUS INVESTMENTS PLC - LOOK TO ADD TO INVESTMENT AS BOARD BELIEVES GREATLAND SHARES CURRENTLY UNDERVALUED