BIRLESIM_MUHENDISLIK 2023 ANNUAL REPORT

Contents INTRODUCTION 3 COMPANY PROFILE 5 SHAREHOLDER STRUCTURE 5 INFORMATION ON THE COMPANY’S SUBSIDIARIES AND SHARE RATIO 6 MILESTONES 10 BİRLEŞİM’S “MOSTS” AND “FIRSTS” 12 OUR SERVICE AND OPERATIONAL BUSINESS LINES 18 OUR AGILE ORGANIZATION AND BUSINESS PROCESSES 19 OUR STRENGTHS 20 OUR STRATEGY 22 MESSAGE FROM THE MANAGEMENT 24 BOARD OF DIRECTORS 25 FINANCIAL RIGHTS PROVIDED FOR MEMBERS OF THE BOARD OF DIRECTORS 26 SENIOR MANAGEMENT 28 ORGANIZATION CHART 30 KEY INDICATORS 32 ASSESSMENT OF 2023 OPERATIONAL RESULTS 35 SECTORAL REVIEW 36 PROJECTS COMPLETED 40 BİRLEŞİM MÜHENDİSLİK AND ERDE MÜHENDİSLİK PROJECTS COMPLETED 73 BİRLEŞİM MÜHENDİSLİK AND ERDE MÜHENDİSLİK ONGOING PROJECTS 88 SUSTAINABILITY MANAGEMENT AND CORPORATE GOVERNANCE PRACTICES 98 BOARD OF DIRECTORS COMMITTEES 99 INVESTOR RELATIONS UNIT 100 DIVIDEND POLICY 101 CORPORATE GOVERNANCE COMPLIANCE REPORT 102 CORPORATE GOVERNANCE COMPLIANCE REPORT AND INFORMATION FORM 114 INDEPENDENT AUDITOR’S REPORT ON THE MANAGEMENT’S ANNUAL REPORT 116 STATEMENTS OF INDEPENDENCE FINANCIAL INFORMATION AND ASSESSMENT ON RISK MANAGEMENT 118 SUSTAINABILITY PRINCIPLES COMPLIANCE REPORT 126 CORPORATE RISK MANAGEMENT PRACTICES 126 CHANGES IN ARTICLES OF ASSOCIATION DURING THE PERIOD 127 OTHER MATTERS 128 CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED 31 DECEMBER 2023 (AUDITED IFRS - USD) 132 CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED 31 DECEMBER 2023 AND INDEPENDENT AUDITOR’S REPORT 200 CONTACT Reporting Period: 01.01.2023 - 31.12.2023 Company Title: Birleşim Mühendislik Isıtma Soğutma Havalandırma Sanayi ve Ticaret A.Ş. Trade Registry Number: 477875-0 Headquarters: Dudullu OSB Mah. 1. Cad. Birleşim Grup No: 3/1 34775 Ümraniye-Istanbul Website: www.birlesim.com Telephone & Fax: T: (+90 216) 499 49 59 F: (+90 216) 499 49 60 E-mail: birlesim@birlesim.com / yatirimci@birlesim.com