5 December 2025

Victrex plc

Share purchase by incoming Director (incoming CEO)

Victrex plc (the 'Company') announces that Dr James Routh, who joins Victrex as Chief Executive Officer on 1 January 2026, has notified the Company that he has purchased a total of 4,520 ordinary shares in the Company on 5 December 2025 in two transactions as follows:

-     3,026 shares at a price of 663.5775p

-     1,494 shares at a price of 666.0734p

This share purchase disclosure is made voluntarily as James has not yet assumed the role of director.

Following this transaction, Dr James Routh holds 4,520 ordinary shares in the Company.

About Victrex:

Victrex is an innovative world leader in high performance polymer solutions, focused on the strategic markets of automotive, aerospace, energy & industrial, electronics and medical. Every day, millions of people use products and applications which contain our sustainable materials - from smartphones, aeroplanes and cars to energy production and medical devices. With over 40 years' experience, we develop world leading solutions in PEEK and PAEK based polymers, semi-finished and finished parts which shape future performance for our customers and our markets, enable environmental and societal benefits, and drive value for our shareholders. Find out more at www.victrexplc.com.

Victrex plc:

Andrew Hanson, Director of Investor Relations, Corporate Communications & ESG      +44 (0) 7809 595831

Registered Office: Victrex Technology Centre, Hillhouse International

Thornton Cleveleys, Lancashire, FY5 4QD

Registered Number: 2793780, England and Wales

LEI number: 213800UYNPHAUNHPXL67