June 25 (Reuters) - S&P Dow Jones Indices:
* TPG TELECOM TO SPIN-OFF 1 SHARE OF TUAS LTD FOR EVERY 2 TPG SHARES HELD
* TUAS WILL BE ADDED TO S&P/ASX 200 INDEX AFTER CLOSE OF TRADING ON JUNE 29
* POST-MERGER TPG TELECOM TO REMAIN IN S&P/ASX 200 INDEX FOLLOWING ITS MERGER WITH VODAFONE HUTCHISON AUSTRALIA