Transaction in Own Shares & Buyback Completion

15 September 2026

M&C SAATCHI PLC

(the "Company" or "M&C Saatchi")

Transaction in Own Shares & Completion of Share Buyback

The Company announces that on 14 September 2026 it purchased 27,500 ordinary shares of one pence each in the capital of the Company ("Ordinary Shares") at a price of 144.00 pence per Ordinary Share from its corporate broker, Panmure Liberum Limited ("Panmure Liberum"), in accordance with the terms of its share buyback programme announced on 9 March 2026 (the "Share Buyback Programme").

Following settlement and cancellation of the Ordinary Shares purchased above, the Company will have 120,520,935 Ordinary Shares in issue of which 485,970 Ordinary Shares are held in treasury.

The total number of voting rights in the Company will therefore be 120,034,965. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of the UK version of Regulation (EU) No. 596/2014 which is part of English law by virtue of the European Union (Withdrawal) Act 2018, the table below contains detailed information of the individual trades made as part of the Share Buyback Programme.

Aggregate Information:

Individual transactions:

Completion of Share Buyback Programme

Following the above purchase of shares, the Company announces the completion of the Share Buyback Programme, as launched on 9 March 2026, to acquire up to a maximum aggregate consideration of £4.5 million, to be terminated on 15 September 2026.

In total, the Group repurchased 2,222,500 ordinary shares for a total consideration of £2,877,594, representing an average price per share of 131.1 pence.

FURTHER INFORMATION

About M&C Saatchi: M&C Saatchi is a creative solutions company with specialist expertise and creativity in helping its clients grow by maximising the reach and potential of their brands. It does this through its regional-first operating model with five core specialisms - Advertising, Issues, Passions & PR, Consulting and Media - which it leverages in an integrated go-to-market approach. It has significant global reach, with major hubs in the UK, Europe, Middle East, APAC and the Americas and is supported by global shared services.  M&C Saatchi is headquartered in London and listed on the FTSE AIM index of the London Stock Exchange.