April 9 (Reuters) - Austrian oil and gas group OMV on Tuesday said average realized prices for energy declined over the first three months of the year, as the average realized price of crude oil fell by 3.4% from the previous quarter.

"Compared to Q4/23, retail and commercial margins decreased substantially," OMV said in a first-quarter trading update.

Average realized price for natural gas also fell by 18.3% to 21.9 euros per MWh, it added. (Reporting by Tristan Veyet and Chiara Holzhaeuser in Gdansk; editing by Milla Nissi)