(CNN) Dutch Pro-European parties are predicted to triumph in the European Parliament election against populists, an exit poll on Thursday has unexpectedly revealed.

Frans Timmermans, European Commission vice president, delivers a speech during a campaign rally in Barcelona on May 23, 2019 ahead of EU elections.

"To all our friends across Europe still campaigning, this one is for you too! Keep going! Keep believing! We can do this!" Timmermans tweeted on Friday.

To all our friends across Europe still campaigning, this one is for you too! Keep going! Keep believing! We can do this! — Frans Timmermans (@TimmermansEU) May 24, 2019

The exit polling took place at 35 polling stations, where around 56,000 voters are eligible to cast their ballots according to Ipsos. It says it usually receives a 80-85% participation rate and has an error margin of 2%.