NOTICE PURSUANT TO ARTICLE 143-QUATER, PARAGRAPH 5, OF CONSOB REGULATION NO. 11971/1999

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THE ITALIAN SEA GROUP S.p.A.

NOTICE PURSUANT TO ARTICLE 143 -QUATER, PARAGRAPH 5, OF CONSOB REGULATION NO.

11971/1999

List of shareholders of The Italian Sea Group S.p.A. holding more than 3% of the share capital who are registered in the spec ial list for entitlement to increased voting rights.

Updated as at 22 September 2026

SHAREHOLDER REGISTRATION DATE

IN THE SPECIAL LIST

FOR INCREASED

VOTING RIGHTS NUMBER OF SHARES

IN THE SPECIAL LIST

FOR INCREASED

VOTING RIGHTS NO. OF SHARES

NOTICE PURSUANT TO ARTICLE 143-QUATER, PARAGRAPH 5, OF CONSOB REGULATION NO. 11971/1999

11971/1999

SHAREHOLDER REGISTRATION DATE

IN THE SPECIAL LIST

FOR INCREASED

VOTING RIGHTS NUMBER OF SHARES

IN THE SPECIAL LIST

FOR INCREASED

VOTING RIGHTS NO. OF SHARES

% OF SHARE

CAPITAL DATE OF

ENTITLEMENT

TO INCREASED

VOTING RIGHTS

(2 VOTES PER SHARE) CURRENT

NUMBER

OF VOTING

RIGHTS CURRENT

VOTING RIGHTS

% OF TOTAL

VOTING RIGHTS

GC HOLDING

S.p.A. 3 SEPTEMBER 2024 28,410,000 53.60% 3 SEPTEMBER 2026 56,820,000 69.79%