Profit before rebates and tax rose 30.9 per cent to $13.4 million, while net operating income increased 8.4 per cent to $66.2 million and deposits jumped 12.1 per cent to $1.6 billion.
Its loan book increased by 10.9 per cent to $1.6 billion.
"This reflects our consistent approach to pricing, setting the bank apart from its competitors who have tended to drift in and out of the market with aggressive pricing as it has suited them," McLachlan said.
Bad debts fell 31.7 per cent to $1 million.
The bank said its capital and liquidity ratios of 16.5 per cent remained the highest of any New Zealand bank.
The Wellington-based lender opened a branch on Auckland's Queen St last November and has flagged plans to establish up to six more in the city.