Inventories SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES continued

PERUSAHAAN PERSEROAN PERSERO P.T. TELEKOMUNIKASI INDONESIA Tbk AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS continued DECEMBER 31, 2010 AUDITED AND MARCH 31, 2011 UNAUDITED AND THREE MONTHS PERIOD ENDED MARCH 31, 2010 AND 2011 UNAUDITED Figures in tables are presented in millions of Rupiah, unless otherwise stated 27 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES continued k. Property, plant and equipment - direct acquisitions continued Pursuant to PSAK 16R, starting January 1, 2010, the Company has changed the estimated useful lives of office and installation buildings included in buildings from 20 years to 40 years, Submarine Cable Communication SystemFiber Optic Communication System included in transmission installation and equipment from 20 years to 25 years and antenna and towers included in transmission installation and equipment, and satellite, earth station and equipment from 15 years to 20 years, based on the review of the useful lives of the assets in the telecommunications industry that is similar to the Company and the usage expectation based on technical specification. The effect of the changes was accounted for prospectively and resulted in a reduction in the expense charged to the 2010 consolidated statement of comprehensive income Note 11d.iii. Since January 1, 2011, the Company and its subsidiaries have adopted PSAK 48 Revised 2009, “Impairment of Assets” and ISAK 17, “Interim Financial Statements and Impairment of Assets”, which became effective for financial statement periods beginning on or after January 1, 2011, the Company and its subsidiaries have adopted the PSAK and ISAK and applied it prospectively. The Company and its subsidiaries periodically evaluate its property, plant and equipment for impairment, whenever events and circumstances indicate that the carrying amount of the assets may not be recoverable. When the carrying amount of an asset exceeds its estimated recoverable amount, the asset is written-down to its estimated recoverable amount, which is determined based upon the greater of its net selling price or value in use. Spare parts and servicing equipment are carried as inventory and recognized in profit or loss as consumed. Major spare parts and stand-by equipment that are expected to be used for more than 12 months are recorded as part of property, plant and equipment. Since January 1, 2011, the Company and its subsidiaries have adopted PSAK 58 Revised 2009, “Non Current Assets Held for Sale and Discontinued Operations”, which became effective for financial statement periods beginning on or after January 1, 2011, the Company and its subsidiaries have adopted the PSAK and applied it prospectively. When assets are retired or otherwise disposed of, their cost and the related accumulated depreciation are eliminated from the consolidated financial statements, and the resulting gains or losses on the disposal or sale of property, plant and equipment are recognized in the consolidated statement of comprehensive income. Certain computer hardware can not be used without the availability of certain computer software. In such circumstance, the computer software is recorded as part of the computer hardware. If any computer software is independent from its computer hardware, it is recorded as part of intangible assets. The cost of maintenance and repairs is charged to the consolidated statement of comprehensive income as incurred. Significant renewals and betterments are capitalized. Property under construction is stated at cost until construction is completed, at which time it is reclassified to the specific property, plant and equipment account to which it relates. During the construction period until the property is ready for its intended use or sale, borrowing costs, which include interest expense and foreign currency exchange differences incurred to finance the construction of the asset, are capitalized in proportion to the average amount of accumulated expenditures during the period. Capitalization of borrowing cost ceases when the construction has been completed and the asset is ready for its intended use. Equipment temporarily unused is reclassified into equipment not used in operation and depreciated over their estimated useful life using straight-line method.