April 1 (Reuters) - Meridian Energy Ltd MEL.NZ :
* CONFIRMS RIO TINTO, OWNER OF TIWAI POINT ALUMINIUM SMELTER, HAS NOT YET PROVIDED UPDATE ON STRATEGIC REVIEW OF SMELTER
* WORKED WITH SMELTER OWNERS TO OFFER AMENDMENTS TO EXISTING ELECTRICITY CONTRACT,INCLUDES OPTIONS FOR 2 DIFFERENT TRANCHES OF VOLUME