BIRLESIM MUHENDISLIK_AR 2025

Contents Reporting Period: 01.01.2025 - 31.12.2025 Company Title: Birleşim Mühendislik Isıtma Soğutma Havalandırma Sanayi ve Ticaret A.Ş. Trade Registry Number: 477875-0 Head Office: Dudullu OSB Mah. 1. Cad. Birleşim Grup No: 3/1 34775 Ümraniye-Istanbul Website: www.birlesim.com Telephone and Fax: T: (+90 216) 499 49 59 F: (+90 216) 499 49 60 E-mail: birlesim@birlesim.com / yatirimci@birlesim.com INTRODUCTION 3 C OMPANY PROFILE 5 C APITAL AND SHAREHOLDING STRUCTURE 5 I NFORMATION ON THE COMPANY’S SUBSIDIARIES AND SHARE RATIO 6 M ILESTONES 12 B İRLEŞİM’S “MOSTS” AND “FIRSTS” 14 O UR SERVICE AND OPERATIONAL BUSINESS LINES 20 O UR AGILE ORGANIZATION AND BUSINESS PROCESSES 21 O UR STRENGTHS 22 O UR STRATEGY 24 M ANAGEMENT REPORT 26 B OARD OF DIRECTORS 27 FINANCIAL RIGHTS PROVIDED FOR MEMBERS OF THE BOARD OF DIRECTORS 28 EXECUTIVE MANAGEMENT 30 O RGANIZATION CHART 32 K EY INDICATORS 34 A SSESSMENT OF 2025 RESULTS 35 SECTORAL REVIEW 36 P ROJECTS COMPLETED 82 O NGOING PROJECTS 9 6 S USTAINABILITY MANAGEMENT AND CORPORATE GOVERNANCE PRACTICES 104 B OARD OF DIRECTORS COMMITTEES 105 I NVESTOR RELATIONS UNIT 106 D IVIDEND POLICY 107 C ORPORATE GOVERNANCE AND SUSTAINABILITY COMPLIANCE REPORT 108 I NDEPENDENT AUDITOR’S REPORT ON THE MANAGEMENT’S ANNUAL REPORT 110 S TATEMENTS OF INDEPENDENCE FINANCIAL INFORMATION AND ASSESSMENT ON RISK MANAGEMENT 112 C ORPORATE RISK MANAGEMENT PRACTICES 112 AMENDMENTS TO ARTICLES OF ASSOCIATION DURING THE REPORTING PERIOD 113 OTHER MATTERS 114 C ONSOLIDATED FINANCIAL STATEMENTS, NOTES AND INDEPENDENT AUDITOR’S REPORT FOR THE ACCOUNTING PERIOD FROM 1 JANUARY TO 31 DECEMBER 2025 CONTACT