This shows a 1.8% rise compared with last year's corresponding period, the Central Bank of Iran said in its latest report.
The economic growth reported by CBI is considerably lower compared to the rate of 4.6% in last year's Q1.
The Sunday report shows GDP growth, excluding production in the key oil sector, stood at 0.7% for the three months to June 21 as compared to 4.3% in Q1 of last year, Financial Tribune reported.
CBI explains that the figures used in GDP calculations in its new report are preliminary and may be subject to revision.