TR-1: Notification of major holdings

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:    Arcontech Group Plc GB00BDBBJZ03  
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  NIGEL RIDGE 
City and country of registered office (if applicable)  LONDON 
4. Full name of shareholder(s) (if different from 3.) v 
Name   
City and country of registered office (if applicable)   
5. Date on which the threshold was crossed or reached vi:  05/02/26 
6. Date on which issuer notified (DD/MM/YYYY):  05/02/26 
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         5.34%               N/A          5.34%     714,448 
Position of previous notification (if  applicable)        4.59%               N/A          4.59%     614,448 
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) 
        714,448               5.34%   
         
         
SUBTOTAL 8. A  714,448  5.34% 
  
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  X 
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 		  
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 
       
       
       
       
       
 
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  05/02/26