Tranche Update on Criteo S.A.'s Equity Buyback Plan announced on February 10, 2021.

Criteo SA is a France-based company specializing in digital performance marketing. Its solution consists of the Criteo Engine, the Company's data assets, access to inventory, and its advertiser and publisher platforms. The Criteo Engine consists of various machine learning algorithms, such as prediction, recommendation, bidding and creative algorithms and the global hardware and software infrastructure. The Criteo Engine delivers advertisements through multiple marketing channels and formats, including display advertising banners, native advertising banners and marketing messages delivered to opt-in e-mail addresses. Advertisements are delivered on all devices and screens, including Web browsers on desktops and laptops, mobile Web browsers on smart phones and tablets, as well as mobile applications. It operates in approximately 90 countries through a network of over 30 international offices located in Europe, the Americas and the Asia-Pacific region.