OCBC's net profit increased to S$1.6 billion ($1.13 billion) in July-September versus the S$1.55 billion average estimate from four analysts, according to Refinitiv data.

"Net interest income grew on higher net interest margin and loan growth was sustained," Group Chief Executive Helen Wong said in a statement on Friday.

($1 = 1.4214 Singapore dollars)

(Reporting by Anshuman Daga; Editing by Tom Hogue and Christopher Cushing)