May 15 (Reuters) - Oversea-Chinese Banking Corporation Ltd OCBC.SI :
* OCBC BANK PRICES A$550 MILLION OF SENIOR FLOATING RATE NOTES DUE 2022
* NOTES WILL BEAR INTEREST AT 3-MONTH BANK BILL SWAP REFERENCE RATE PLUS 0.62% PER ANNUM, PAYABLE QUARTERLY IN ARREAR