On the 17th of May 2016 Westpac Banking Corporation (WBC) announced a new transaction, Westpac Capital Notes 4 (Prospective ASX Code: WBCPG). The purpose of this transaction is to provide Regulatory Capital for the group but more specifically it will be treated as additional Tier 1 capital for regulatory purposes. The indicative size of the offer is $750 million but WBC retain the ability to change the issue size.   Westpac Preferred Trust Securities (TPS) (ASX Code: WCTPA) are set to expire on the 30th of June 2016 and eligible holders will be given the option to reinvest proceeds in Westpac Capital Notes 4 (see Prospectus for more information). The offer is expected to open on the 26th of May 2016.   Click here to access our Research Report Click here for the ASX Announcement