June 25 (Reuters) - Singapore Telecommunications Ltd STEL.SI :
* SINGTEL OPTUS PRICES A$350 MILLION 5-YEAR NOTES AT 1.60% AND A$500 MILLION 10-YEAR NOTES AT 2.50%
* 5-YEAR NOTES WILL CARRY A COUPON OF 1.60 PER CENT PER ANNUM AND WILL MATURE ON 1 JULY 2025.
* 10-YEAR NOTES WILL MATURE ON 1 JULY 2030