Aug 4 (Reuters) - Westpac Banking Corp WBC.AX :
* Westpac announces interest rate for nzd subordinated notes
* The interest rate for the notes will be 4.6950% per annum
* Says offer size has been set at NZ$400 million
* Offer opens on 5 August 2016 and is expected to close on 26 August 2016
* Interest rate for notes will be 4.6950% per annum, which reflects a margin of 2.60% per annum over New Zealand 5 year swap rate
* Source text for Eikon ID:nNZW9nn2R3