ADDING and REPLACING CoStar Group Announces Launch of CoStar Platform in France

Empowering investors, brokers, owners, and occupiers with the data and analytics needed to succeed in France’s estimated €300 billion commercial real estate market

Please replace the release with the following corrected version to add the Forward-Looking Statements paragraph at the end of the release.

The updated release reads:

COSTAR GROUP ANNOUNCES LAUNCH OF COSTAR PLATFORM IN FRANCE