BNZ's annual profit rose 7% to a fresh record high as income, lending and net interest margins all grew. Earlier this week Westpac NZ posted record annual profit of $1.047 billion. Last month ANZ NZ posted record annual profit of $2.299 billion. And in August ASB posted record annual profit of $1.471 billion. That means the big four banks combined posted annual net profit after tax of $6.231 billion.