OCBC on Monday issued HK$1.4 billion (S$241.5 million) worth of 1.59 per cent fixed rate notes due September 2020.
Moody's Investors Service has assigned the notes an Aa1 rating, with a stable outlook for the rating.
The notes were issued through the bank's multicurrency US$10 billion Global Medium Term Note Program that was updated in 2015, and will be listed on the Singapore Exchange with effect on Sept 26, Tuesday 9am.
The notes - to be quoted and traded in Hong Kong dollars - will be issued in denominations of HK$1,000,000 and traded in minimum board lot size of HK$100,000 with a minimum of 20 lots to be traded at one transaction.
Nomura Singapore is the lead manager/bookrunner of the notes.