Business
Notification of Major Holdings
Lord Lee of Trafford has increased his stake in Vianet Group PLC by purchasing an additional 65,000 ordinary shares, bringing his total voting rights to 5.26% as of January 20, 2026. This acquisition represents a change in his holding from a previous 5.03%. The total number of voting rights held by Lord Lee now stands at 1,496,000 shares. Disclaimer*
About this update from Vianet Group Plc
Vianet Group PLC (the "Company") Notification of Major Holdings Vianet Group plc (AIM: VNET), a leader in delivering actionable data, business insights, and cashless payment solutions through an integrated ecosystem of hardware devices, software platforms, and smart insights portals, is pleased to confirm that the company has received notification that Lord Lee of Trafford has purchased a further 65,000 ordinary shares of 10 pence each in the Company. Lord Lee's total voting rights attached to shares in the Company is 5.26% as of 20 January 2026. Enquiries: Vianet Group PLC James Dickson, Chairman & CEO Sarah Bentham, CFO Tel: +44 (0) 1642 358 800 www.vianetplc.com Cavendish Capital Markets Limited Stephen Keys / Isaac Hooper Tel: +44 (0) 20 7220 0500 Investor Enquiries: Dale Bellis Tel: +44 (0) 20 7397 1928 www.cavendish.com TR-1: Standard form for notification of major holdings NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible) i 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii : Vianet Group PLC 1b. Please indicate if the issuer is a non-UK issuer ( please mark with an "X" if appropriate) Non-UK issuer 2. Reason for the notification (please mark the appropriate box or boxes with an "X") An acquisition or disposal of voting rights X An acquisition or disposal of financial instruments An event changing the breakdown of voting rights Other (please specify) iii : 3. Details of person subject to the notification obligation iv Name Lord Lee of Trafford City and country of registered office (if applicable) London, UK 4. Full name of shareholder(s) (if different from 3.) v Name City and country of registered office (if applicable) London, UK 5. Date on which the threshold was crossed or reached vi : 20/01/2026 6. Date on which issuer notified (DD/MM/YYYY): 20/01/2026 7. Total positions of person(s) subject to the notification obligation % of voting rights attached to shares (total of 8. A) % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) Total of both in % (8.A + 8.B) Total number of voting rights held in issuer (8.A + 8.B) vii Resulting situation on the date on which threshold was crossed or reached 5.26% 5.26% 1,496,000 Position of previous notification (if applicable) 5.03% 5.03% 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii A: Voting rights attached to shares Class/type of shares ISIN code (if possible) Number of voting rights ix % of voting rights Direct (DTR5.1) Indirect (DTR5.2.1) Direct (DTR5.1) Indirect (DTR5.2.1) GB00B13YVN56 1,496,000 5.26% SUBTOTAL 8. A 1,496,000 5.26% B 1: Financial Instruments according to DTR5.3.1R (1) (a) Type of financial instrument Expiration date x Exercise/ Conversion Period xi Number of voting rights that may be acquired if the instrument is exercised/converted. % of voting rights SUBTOTAL 8. B 1 B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b) Type of financial instrument Expiration date x Exercise/ Conversion Period xi Physical or cash Settlement xii Number of voting rights % of voting rights SUBTOTAL 8.B.2 9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X") Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer xiii Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary) xiv X Name xv % of voting rights if it equals or is higher than the notifiable threshold % of voting rights through financial instruments if it equals or is higher than the notifiable threshold Total of both if it equals or is higher than the notifiable threshold Lord Lee of Trafford 5.26% 5.26% 10. In case of proxy voting, please identify: Name of the proxy holder N/A The number and % of voting rights held N/A The date until which the voting rights will be held N/A 11. Additional information xvi Place of completion London Date of completion 20/01/2026