March 9 (Reuters) - Mainstream Group Holdings Ltd MAI.AX :
* MAINSTREAM GROUP HOLDINGS LTD - SCHEME OF ARRANGEMENT FROM VISTRA TO ACQUIRE MAINSTREAM-MAI.AX
* MAINSTREAM GROUP HOLDINGS LTD - SCHEME OF ARRANGEMENT WITH VISTRA TO ACQUIRE 100% OF SHARES OF MAINSTREAM FOR $1.20 PER SHARE
* MAINSTREAM GROUP HOLDINGS LTD - VISTRA'S OFFER IMPLIES AN ENTERPRISE VALUE FOR MAINSTREAM OF $180.1M
* MAINSTREAM GROUP HOLDINGS LTD - MAINSTREAM CHIEF EXECUTIVE OFFICER AND DIRECTOR, MARTIN SMITH, INTENDS TO REMAIN WITH BUSINESS
* MAINSTREAM GROUP -VISTRA WILL FUND PURCHASE FROM EXISTING INTERNAL CASH RESERVES AND UNDRAWN FINANCE FACILITIES
* MAINSTREAM GROUP - VISTRA ENTERED CONDITIONAL CALL OPTION AGREEMENTS WITH ENTITIES CONTROLLED BY CO'S DIRECTORS & SOME SIGNIFICANT SHAREHOLDERS
* MAINSTREAM GROUP HOLDINGS -CO IS FREE TO SOLICIT COMPETING PROPOSALS UNTIL 11:59PM (SYDNEY TIME) ON 11 APRIL
* MAINSTREAM GROUP - CALL OPTION AGREEMENTS TO GRANT VISTRA CONDITIONAL OPTIONS TO BUY, IN AGGREGATE, 19.9% OF CO'S SHARES
* MAINSTREAM GROUP-DIRECTORS UNANIMOUSLY RECOMMEND SHAREHOLDERS VOTE IN FAVOUR OF SCHEME IN ABSENCE OF A SUPERIOR PROPOSAL