Federico Riggio

Notification of Major Holdings

1. Details of issuer

Name :	Instone Real Estate Group SE
Street:	Grugaplatz 2-4
Postal code:	45131
City:	Essen Germany
Legal Entity Identifier (LEI):	391200DINUIRPDZQHX03

2. Reason for notification

X	Acquisition/disposal of shares with voting rights
	Acquisition/disposal of instruments
	Change of breakdown of voting rights
	Other reason:

3. Details of person subject to the notification obligation

Natural person (first Name , surname): Federico Riggio Date of birth: 24 Sep 1987

4. Names of shareholder(s)
holding directly 3% or more voting rights, if different from 3.

Helikon Long Short Equity Fund Master ICAV

5. Date on which threshold was crossed or reached:

12 Oct 2026

6. Total Fina Elf positions

	% of voting rights attached to shares ( Total Fina Elf of 7.a.)	% of voting rights through instruments ( Total Fina Elf of 7.b.1 + 7.b.2)	Total Fina Elf of both in % (7.a. + 7.b.)	Total Fina Elf number of voting rights pursuant to Sec. 41 WpHG
New	9.59 %	0.60 %	10.19 %	46988336
Previous notification	3.68 %	1.40 %	5.08 %	/

7. Details on Total Fina Elf positions
a. Voting rights attached to shares (Sec. 33, 34 WpHG)

ISIN	Absolute		In %
	Direct (Sec. 33 WpHG)	Indirect (Sec. 34 WpHG)	Direct (Sec. 33 WpHG)	Indirect (Sec. 34 WpHG)
DE000A2NBX80	0	4508326	0.00 %	9.59 %
Total Fina Elf	4508326		9.59 %

b.1. Instruments according to Sec. 38 (1) no. 1 WpHG

Type of instrument	Expiration or maturity date	Exercise or conversion period	Voting rights absolute	Voting rights in %
			0	0.00 %
		Total Fina Elf	0	0.00 %

b.2. Instruments according to Sec. 38 (1) no. 2 WpHG

Type of instrument	Expiration or maturity date	Exercise or conversion period	Cash or physical settlement	Voting rights absolute	Voting rights in %
cash-settled equity swap	12/11/2030	12/11/2030	Cash	263614	0.57 %
cash-settled equity swap	28/02/2035	28/02/2035	Cash	16227	0.03 %
			Total Fina Elf	279841	0.60 %

8. Information in relation to the person subject to the notification obligation

	Person subject to the notification obligation is not controlled nor does it control any other undertaking(s) that directly or indirectly hold(s) an interest in the (underlying) issuer (1.).
X	Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity:

Name	% of voting rights (if at least 3% or more)	% of voting rights through instruments (if at least 5% or more)	Total Fina Elf of both (if at least 5% or more)
Federico Riggio	%	%	%
F Squared S.r.l.	%	%	%
Rule 72 S.r.l.	%	%	%
Helikon Investments Holdings Company Limited	%	%	%
Helikon Investments Limited	9.59 %	%	10.19 %

9. In case of proxy voting according to Sec. 34 para. 3 WpHG
(only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG)

Date of general meeting:
Holding Total Fina Elf positions after general meeting (6.) after annual general meeting:

Proportion of voting rights	Proportion of instruments	Total Fina Elf of both
%	%	%

10. Other explanatory remarks:

Correction to Notification of Major Holdings submitted by Mr Federico Riggio dated 15.10.2026

Date

21 Oct 2026