Argosy has also reduced its total bank facilities by $35 million to $455m.
The average KiwiSaver balance is more than $25,000.
Xero has started forming global alliances with large accounting firms and associations.
Westpac is in the process of selling non-core assets but has decided to keep its New Zealand bank.
Kiwibank's two-year deposit rate is rising the most while its six-month rate is rising the least.
The Takeovers Panel will be exercising its powers to determine whether there has been a breach of the Takeovers Code.
The parties have been at loggerheads for years over whether the $11.9 million purchase of Perpetual Trust trigger further earn-outs.
Kiwibank touted a six basis point cut in its two-year mortgage rate while hiking its other mortgage rates and cutting its 200-day deposit rate.