Mantle Resilience - Holding(s) in Company
RNS Number : 7495ZMantle Resilience PLC20 October 2026TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB00BWYF7709
Issuer Name
MANTLE RESILIENCE PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of voting rights
3. Details of person subject to the notification obligation
Name
Arena Investors, LP
City of registered office (if applicable)
New York
Country of registered office (if applicable)
United States
4. Details of the shareholder
Name
City of registered office
Country of registered office
Atlas Special Opportunities II, LLC
Grand Cayman
Cayman Islands
5. Date on which the threshold was crossed or reached
02-Sep-2026
6. Date on which Issuer notified
19-Oct-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
Resulting situation on the date on which threshold was crossed or reached
5.783055
0.000000
5.783055
750000000
Position of previous notification (if applicable)
6.002172
0.000000
6.002172
8. Notified details of the resulting situation on the date on which the threshold was crossed or reached
8A. Voting rights attached to shares
Class/Type of shares ISIN code(if possible)
Number of direct voting rights (DTR5.1)
Number of indirect voting rights (DTR5.2.1)
% of direct voting rights (DTR5.1)
% of indirect voting rights (DTR5.2.1)
GB00BWYF7709
750000000
0
5.783055
0.000000
Sub Total 8.A
750000000
5.783055%
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
Type of financial instrument
Expiration date
Exercise/conversion period
Number of voting rights that may be acquired if the instrument is exercised/converted
% of voting rights
Sub Total 8.B1
8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
Type of financial instrument
Expiration date
Exercise/conversion period
Physical or cash settlement
Number of voting rights
% of voting rights
Sub Total 8.B2
9. Information in relation to the person subject to the notification obligation
1. 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.
Ultimate controlling person
Name of controlled undertaking
% 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
Name of the proxy holder
Atlas Special Opportunities II, LLC
The number and % of voting rights held
750,000,000; 5.783055%
The date until which the voting rights will be held
31/12/2026
If date does not apply, explain below
Unknown
11. Additional Information
Arena Investors, LP is providing this notification as the investment manager. Please note that effective September 11, 2026, Arena Investors, LP’s name has changed to CCaventus Asset Management LP. During a review of the position on 19 October 2026, we detected that a change in % of voting rights occurred due to a change in Shares Outstanding of the issuer on 2 September 2026.
12. Date of Completion
19-Oct-2026
13. Place Of Completion
Dallas, TX
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