Ipsos: Disclosure of trading in own shares under a share buyback programme (23 to 27 March 2026)

Core Viewpoint - Ipsos has conducted a share buyback program from March 23 to March 27, 2026, acquiring a total of 100,000 shares across various trading platforms at varying prices. Group 1: Share Buyback Transactions - On March 23, 2026, Ipsos acquired 18,257 shares at a weighted average price of €34.2362 on XPAR and 6,743 shares at €34.1245 on DXE [1] - On March 24, 2026, the company purchased 12,717 shares at €34.1031 on XPAR and 12,283 shares at €34.0486 on DXE [1] - On March 25, 2026, Ipsos bought 13,426 shares at €33.8170 on XPAR and 11,574 shares at €33.8060 on DXE [1] - On March 26, 2026, the company acquired 20,983 shares at €34.0091 on XPAR and 4,017 shares at €34.0154 on DXE [1] - On March 27, 2026, Ipsos purchased 16,677 shares at €33.8300 on XPAR and 8,323 shares at €33.7719 on DXE [1] Group 2: Additional Information - A detailed presentation of the transactions is available on the company's website under the section for regulated information [2]