Sensitivity Analysis PENSION AND OTHER POST-EMPLOYMENT BENEFITS continued a. Pension benefit costs continued

PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA Tbk AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS For the three month periods Ended March 31, 2017 and 2016 unaudited Figures in tables are expressed in billions of Rupiah, unless otherwise stated 89 31. RELATED PARTY TRANSACTIONS a. Nature of relationships and accountstransactions with related parties Details of the nature of relationships and accountstransactions with significant related parties are as follows: Related parties Nature of relationships parties Nature of accountstransactions The Government Ministry of Finance Majority stockholder Internet and data service revenues, other telecommunication service revenues, finance income, finance costs, and investment in financial instruments State-owned enterprises Entity under common control Internet and data service revenues, other telecommunication services revenues, operating expenses and purchase of property and equipment Indosat Entity under common control Interconnection revenues, leased lines revenues, satellite transponder usage revenues, interconnection expenses, telecommunication facilities usage expenses, operating and maintenance expenses, usage of data communication network system expenses PT Aplikanusa Lintasarta “Lintasarta” Entity under common control Interconnection revenues, network service revenues, leased lines expenses, and usage of communication network system expenses Indosat Mega Media Entity under common control Network service revenues PT Perusahaan Listrik Negara “PLN” Entity under common control Electricity expenses, finance income, finance costs, investment in financial instrument PT Pertamina Persero “Pertamina” Entity under common control Internet and data service revenues, other telecommunication service revenues PT Kereta Api Indonesia “KAI” Entity under common control Internet and data service revenues, other telecommunication service revenues PT Pegadaian Entity under common control Internet and data service revenues, other telecommunication service revenues PT Garuda Indonesia Tbk Entity under common control Internet and data service revenues, other telecommunication service revenues PT Indonesia Comnet Plus “ICON Plus” Entity under common control Internet and data service revenues, other telecommunication service revenues, interconnection revenues, network revenues and interconnection expenses PT Asuransi Jasa Indonesia “Jasindo” Entity under common control Satellite insurance expenses and vehicle insurance expenses PT Adhi Karya Tbk “Adhi Karya” Entity under common control Purchase of materials and construction services PT Waskita Karya Tbk “Waskita” Entity under common control Purchase of materials and construction services INTI Entity under common control Purchase of property and equipment and construction services LEN Entity under common control Purchase of property and equipment and construction services State-owned banks Entity under common control Finance income and finance costs BNI Entity under common control Internet and data service revenues, other telecommunication service revenues, finance income and finance costs Bank Mandiri Entity under common control Internet and data service revenues, other telecommunication service revenues, finance income and finance costs BRI Entity under common control Internet and data service revenues, other telecommunication service revenues, finance income and finance costs BTN Entity under common control Internet and data service revenues, other telecommunication service revenues, finance income and finance costs