ANNUAL REPORT 2023

21/12/2023 - AGREEMENT SIGNED FOR THE ACQUISITION OF GMM FINANCE S.R.L. 18/12/2023-RESIGNATION OF THE CHIEF FINANCIAL OFFICER, MANAGER IN CHARGE OF FINANCIAL REPORTING AND INVESTOR RELATOR CORPORATE EVENTS CALENDAR 2024 30/11/2023 – PRESS RELEASE 26/10/2023 – NOTICE OF DEPOSIT OF THE QUARTERLY REPORT AT 30 SEPTEMBER 2023 26/10/2023 - CONSOLIDATED FINANCIAL RESULTS AT 30 SEPTEMBER 2023 APPROVED 06/10/2023 BIESSE PARTICIPATES ITALIAN EXCELLENCES MID CORPORATE CONFERENCE 2023 ORGANIZED BY INTESA SANPAOLO HELD IN PARIS 04/08/2023 – PUBLICATION OF THE COMPANY STATUTE 28/07/2023 – NOTICE OF DEPOSIT OF THE INTERIM REPORT AT 30 JUNE 2023 28/07/2023 – CONSOLIDATED FINANCIAL RESULTS AS AT 30 JUNE 2023 APPROVED 29/05/2023 - MINUTES OF MONTRESOR & CO SRL RESOLUTION 29/05/2023 - BIESSE RESOLUTION 29/05/2023 - DEPOSIT OF MERGER RESOLUTION 26/05/2023 - BIESSE PARTICIPATES ESN EUROPEAN CONFERENCE 2023 19/05/2023 - NOTICE OF DEPOSIT OF DOCUMENTS REGARDING THE GENERAL SHAREHOLDERS MEETING 11/05/2023 – NOTICE OF DEPOSIT OF THE FIRST QUARTER 2023 DOCUMENTATION 11/05/2023 - CONSOLIDATED QUARTERLY REPORT AS AT 31 MARCH 2023 APPROVED 27/04/2023 - DIVIDEND PAYMENT NOTICE 26/04/2023 – ORDINARY AND EXTRAORDINARY SHAREHOLDERS’ MEETING 18/04/2023 - DISCLOSURE OF THE TOTAL AMOUNT OF VOTING RIGHTS 31/03/2023 - Notice of deposit Corrigendum of the Ordinary and Extraordinary Shareholder’s Meeting Documentation 17/03/2023 BIESSE PARTICIPATES EURONEXT STAR CONFERENCE 2023 ORGANIZED BY BORSA ITALIANA HELD IN MILAN 14/03/2023 - Draft 2022 Financial Statements approved 01/03/2023 - Deposit of merger project 01/03/2023 - Montresor merger project Corporate events calendar 2023

QUARTERLY REPORT AT 30 SEPTEMBER 2023 QUARTERLY REPORT AT 31 MARCH 2021

26/10/2023 – CONFERENCE CALL POST CDA 06/10/2023 – ITALIAN EXCELLENCES MID CORPORATE CONFERENCE PRESENTATION IN PARIS 28/07/2023 – CONFERENCE CALL POST CDA 26/05/2023 – ESN EUROPEAN CONFERENCE PRESENTATION IN LONDON 11/05/2023 – CONFERENCE CALL POST CDA 17/03/2023 - STAR EVENT PRESENTATION IN MILAN 14/03/203 – CONFERENCE CALL POST CDA

INTERIM REPORT AT 30 JUNE 2023

REPORT ON REMUNERATION AND COMPENSATION 2022 CORPORATE GOVERNANCE REPORT 2022

SUSTAINABILITY REPORT 2022