It also cut some term deposit rates from five to nine months by 0.10% to 0.15% per annum.
Yesterday, ANZ said it was trimming its mortgage rates to match more attractive rates offered by some of its competitors.
ANZ also cut some of its term deposit and PIE fund rates to pay for the cuts.
ANZ lowered its six-month standard and special fixed mortgage rates by 25 basis points, its one-year rates by 22bps, 18-month rates by 20bps and two-year rates by 15bps.
And ASB last Friday announced it was cutting several interest rates to better align with, if not out-do, some of its competitors.
Some economists expect Stats NZ data due today will show the annual inflation rate remained at 2.2% in the December quarter, if it didn’t inch down to 2.1% - the level forecast by the Reserve Bank in November.
The Reserve Bank’s next decision on the Official Cash Rate is expected on February 19.