Alphabet Inc. (GOOG) subsidiary Google has been slapped with a record fine of $2.7 billion by the European Union.

According to a statement from the European Commission, Google gave an illegal advantage to its own comparison shopping service and abused its market dominance. The company has been ordered to stop its illegal conduct within 90 days, and if it fails to comply, it would be liable for non-compliance payments of up to 5% of the average daily worldwide turnover of Alphabet.

Google has said it "respectfully disagrees" with the decision, and will consider an appeal.

The fine, which comes at the end of a roughly seven year investigation, surpasses the $1.2 billion sum Intel Corporation (INTC) was asked to pay in 2009 by Brussels in a monopoly abuse case. The EU first brought the case against Google in 2010. After five years of negotiations, current EU Commissioner Margrethe Vestager filed formal charges in 2015. The Commission is also investigating two other cases involving the Android operating system and AdSense. (See also: Google Faces EU Antitrust Charges.)

"Google has come up with many innovative products and services that have made a difference to our lives. That's a good thing. But Google's strategy for its comparison shopping service wasn't just about attracting customers by making its product better than those of its rivals. Instead, Google abused its market dominance as a search engine by promoting its own comparison shopping service in its search results, and demoting those of competitors," said Vestager in a statement.

On Monday, U.S. companies tired of Google's "anticompetitive conduct," had written a letter in support of the European Union fining Google, reported Recode. The organizations included Disconnect, Inc., Getty Images, Inc., News Corporation (NWS), News Media Alliance, Oracle Corporation (ORCL), Trip.com and Yelp Inc (YELP).

"As you near final decisions in the Shopping and Android cases, Google and its allies will no doubt continue to press through its lobbying and public relations machine the fiction that any adverse decision amounts to European “protectionism.” As U.S. based companies, we wish to go on record that enforcement action against Google is necessary and appropriate, not provincial," said the letter addressed to Vestager. "We have watched Google undermine competition in the United States and abroad. Google operates on a global scale and across the entire online ecosystem, destroying jobs and stifling innovation."

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