July 26 (Reuters) - Reverse Corp Ltd REF.AX :
* NOTIFIED BY CHARGEWAVE PTY AND OPENMARKET PTY THAT OPTUS ISSUED 30-DAY NOTICE OF TERMINATION OF CERTAIN CONTRACTS
* CONTRACTS FOR DIRECT CARRIER BILLING AND PREMIUM SMS SERVICES
* ESTIMATES CHANGES TO NEGATIVELY IMPACT 1800-REVERSE EBITDA IN CURRENT YEAR BY $25,000 PER MONTH FROM 25 AUGUST