Viohalco S.A. — Major Shareholding Notification 2026

Jan 22, 2026

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REGULATED INFORMATION

PRESS RELEASE

Brussels, January 22, 2026-5:40pm CET

The enclosed information constitutes regulated information as defined in the Royal Decree of 14 November 2007 regarding the duties of issuers of financial instruments, which have been admitted for trading on a regulated market.

Publication of transparency notifications

(Article 14, first paragraph, of the Law of 2 May 2007 on disclosure of major holdings)

1. Summary of the notifications

Viohalco has received two transparency notifications indicating that:

• (a) Mr. Ippokratis-Ioannis Stassinopoulos acquired, as a consequence of the passing of his father, Nikolaos Stassinopoulos, and the automatic termination of the usufruct held by Nikolaos Stassinopoulos, the full ownership of 35,545,928 Viohalco shares, representing 13.71% of Viohalco's total voting rights. The voting rights attached to those shares add up to the voting rights which are already held by Mr. Ippokratis-Ioannis Stassinopoulos in his own name (18,283,768 voting rights, representing 7.05% of total voting rights of Viohalco) and to the voting rights for which he has been granted by the Board of the KIKPE Foundation, in his capacity as President of the Board, the exclusive power to exercise at his discretion, acting in the name and on behalf of the KIKPE Foundation (60,264,128 shares, representing 23.25% of total share capital and voting rights of Viohalco). As a result, the aggregated holding of voting rights of Mr. Ippokratis-Ioannis Stassinopoulos crossed upwards the threshold of 40% to 44.02% of Viohalco's total voting rights; and
• (b) Mr. Michail Stassinopoulos acquired, as a consequence of the passing of his father, Nikolaos Stassinopoulos, and the automatic termination of the usufruct held by Nikolaos Stassinopoulos, the full ownership of 35,539,807 Viohalco shares, representing 13.71% of Viohalco's total voting rights. The voting rights attached to those shares add up to the voting rights which are already held by Mr. Michail Stassinopoulos in his own name (18,181,396 voting rights, representing 7.01% of total voting rights of Viohalco). As a result, the holding of voting rights of Mr. Michail Stassinopoulos crossed upwards the threshold of 20% to 20.73% of Viohalco's total voting rights.

According to its obligation under article 14 of the Belgian Law of 2 May 2007 on the disclosure of major holdings in listed companies, Viohalco publishes the content of the notifications received.

2. Content of the notifications

First Notification

The first notification dated January 22, 2026 contains the following information:

• Reason for the notification: Acquisition or disposal of voting securities or voting rights
• Notification by: Person that notifies alone
• Persons subject to the notification requirement:

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Ippokratis Ioannis Stassinopoulos
Social and Cultural Affairs WelfareFoundation (KIKPE Foundation)	4, L. Amalias, Athens, Attica, GR-10557, Greece

• Date on which the threshold is crossed: January 17, 2026

• Threshold that is crossed: 40% • Denominator: 259,189,761 shares

• Notified details:

Voting rightsHolders of votingrights	Previousnotification# of votingrights	After the transaction
		# of voting rights		% of voting rights
		Linked tosecurities	Notlinked tothesecurities	Linked tosecurities	Notlinked tothesecurities
Ippokratis IoannisStassinopoulos	18,283,768	53,829,696		20.77%
Social and CulturalAffairs WelfareFoundation (KIKPEFoundation)	60,264,128	60,264,128		23.25%
Subtotal	78,547,896	114,093,824		44.02%
	TOTAL	114,093,824		44.02%	0.00%

• Additional information:

In relation to Section 10 of the notification (Notified details) it is noted:

On January 17, 2026, Mr. Ippokratis Ioannis Stassinopoulos acquired, as a consequence of the passing of his father, Nikolaos Stassinopoulos, and the automatic termination of the usufruct held by Nikolaos Stassinopoulos, the full ownership of 35,545,928 Viohalco shares representing 13.71% of total voting rights. The voting rights attached to those shares add up to the voting rights which are already held by Mr. Ippokratis Ioannis Stassinopoulos in his own name (18,283,768 voting rights, representing 7.05% of total voting rights of Viohalco) and to the voting rights for which he has been granted by the Board of the KIKPE Foundation the exclusive power to exercise at his discretion, in his capacity as President of the Board, acting in the name and on behalf of the KIKPE Foundation (60,264,128 shares, representing 23.25% of total share capital and voting rights of Viohalco). As a result, the aggregated holding of voting rights of Mr. Ippokratis Ioannis Stassinopoulos crossed upwards the threshold of 40% to 44.02% of Viohalco's total voting rights.

Second Notification

The second notification dated January 22, 2026 contains the following information:

• Reason for the notification: Acquisition or disposal of voting securities or voting rights
• Notification by: Person that notifies alone
• Persons subject to the notification requirement:

Michail Stassinopoulos

• Date on which the threshold is crossed: January 17, 2026
• Threshold that is crossed: 20%
• Denominator: 259,189,761 shares

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• Notified details:

Voting rights	Previousnotification	After the transaction
	# of votingrights	# of voting rights		% of voting rights
Holders of votingrights		Linked tosecurities	Notlinked tothesecurities	Linked tosecurities	Notlinked tothesecurities
MichailStassinopoulos	18,181,396	53,721,203		20.73%
Subtotal	18,181,396	53,721,203		20.73%
	TOTAL	53,721,203	0	20.73%	0.00%

• Additional information:

In relation to Section 10 of the notification (Notified details) it is noted:

On January 17, 2026, Mr. Michail Stassinopoulos acquired, as a consequence of the passing of his father, Nikolaos Stassinopoulos, and the automatic termination of the usufruct held by Nikolaos Stassinopoulos, the full ownership of 35,539,807 Viohalco shares representing 13.71% of total voting rights. The voting rights attached to those shares add up to the voting rights which are already held by Mr. Michail Stassinopoulos in his own name (18,181,396 voting rights, representing 7.01% of Viohalco's total voting rights).

As a result, the holding of Mr. Michail Stassinopoulos crossed upwards the thershold of 20% to 20.73% of Viohalco total voting rights.

3. Miscellaneous

This press release may be consulted on the website of Viohalco via this link: https://www.viohalco.com/698/en/Press-releases/ .

These notifications can be consulted on the website of Viohalco via this link: https://www.viohalco.com/667/en/Major-shareholders/.

Contact person:

For further information, please contact:

Sofia Zairi Chief Investor Relations Officer (+32) 2 224 09 11 (+30) (210) 6861111 ir@viohalco.com

About Viohalco

Viohalco is the Belgium based holding company of leading metal processing companies in Europe. It is listed on Euronext Brussels (VIO) and the Athens Stock Exchange (BIO). Viohalco's subsidiaries specialise in the manufacture of aluminium, copper, cables, steel and steel pipes products, and are committed to the sustainable development of quality, innovative and value-added products and solutions for a dynamic global client base. With production facilities in Greece, Bulgaria, Romania, the United Kingdom and North Macedonia and participations in companies with production facilities in Turkey and the Netherlands, Viohalco companies generate a consolidated annual revenue of EUR 6.6 billion (2024). Viohalco's portfolio also includes an R&D and technology segment. In addition, Viohalco and its companies own real estate

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investment properties, mainly in Greece, which generate additional value through their commercial development. For more information, please visit our website at www.viohalco.com .