The investigation, which began in 2020, focused on child users between the ages of 13 and 17 who were allowed to use business accounts, which made it easier to publish the user’s phone number and/or email address.
Full details of the decision will be published next week, he said.
Instagram updated its settings over a year ago and has since released new features to keep teens safe and their information private, the Meta spokesperson said.
The spokesperson said Instagram disagrees with how the fine was calculated and is carefully reviewing the decision.
Last year, WhatsApp was fined a record 225 million euros for not complying with EU data rules in 2018.
The Irish regulator completed a draft ruling on the Instagram investigation in December and shared it with other EU regulators under the bloc’s “one stop shop” system for regulating large multinationals.