OMV said its output in the first quarter of the year fell to 303,000 barrels of oil equivalent per day.
The Austrian oil and gas company said the number dropped from 318,000 in the previous quarter.
The fall was caused predominantly by a one-month interruption after “technical issues” at its Gudrun field in Norway.
A decrease was also caused by stoppages in production in Libya.
OMV said sales volumes had decreased by 13% which had “substantially burdened” the quarterly performance.
Last year, the company had lowered its investment plans as well as giving up on its plans to reach output of 400,000 boe by 2016.