It exported 75.7mt in the three month period compared to a year ago. The figure was up 13.5% on the first quarter’s exports of 66.7mt.
Rio Tinto said it saw “record first half iron ore shipments” with exports up 20% to total 142.4mt.
The world’s second largest iron ore minor said second quarter production rose 11% year-on-year to just over 73mt.
The company said it was on track to produce 295mt of iron ore in 2014, up from 266mt last year.