Financial instruments SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES continued t. Income tax continued

PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA Tbk AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS AS OF DECEMBER 31, 2012 AND FOR THE YEAR THEN ENDED WITH COMPARATIVE FIGURES AS OF DECEMBER 31, 2011 AND FOR THE YEAR THEN ENDED AND AS OF JANUARY 1, 2011 Figures in tables are presented in billions of Rupiah, unless otherwise stated 33

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES continued

u. Financial instruments continued vi. Derecognition of financial instrument The Company and subsidiaries derecognize a financial asset when the contractual rights to the cash flows from the financial asset expire, or when the Company and subsidiaries transfer substantially all the risks and rewards of ownership of the financial asset. The Company and subsidiaries derecognize a financial liability when the obligation specified in the contract is discharged or cancelled or expired.

v. Treasury stock

Reacquired Company’s stock is accounted for at its reacquisition cost and classified as “Treasury Stock” and presented as a deduction to equity. The cost of treasury stock sold is accounted for using the weighted average method. The difference between the cost and the proceeds from the sale of treasury stock is credited to “Additional Paid-in Capital”.

w. Dividends

Dividend distribution to the Company’s stockholders is recognized as liability in the Company’s consolidated financial statements in the period in which the dividends are approved by the Company’s stockholders. The Company recognizes interim devidends as liability based on the Board of Directors’ decision with the approval from the Board of Commissioners.

x. Basic earnings per share and earnings per ADS

Basic earnings per share are computed by dividing income for the period attributable to owners of the parent by the weighted average number of shares outstanding during the period. Income per ADS is computed by multiplying basic earnings per share by 40, the number of shares represented by each ADS. The Company does not have potentially dilutive financial investments.

y. Segment information

The Company and subsidiaries segment information is presented based upon identified operating segments. An operating segment is a component of an entity: a that engages in business activities from which it may earn revenues and incur expenses including revenues and expenses relating to transactions with other components of the same entity; b whose operating results are regularly reviewed by the Company and subsidiaries chief operating decision maker “CODM” ie., Directors, to make decisions about resources to be allocated to the segment and assess its performance, and c for which discrete financial information is available.

z. Provisions

Provisions are recognized when the Company and subsidiaries have a present obligation legal or constructive as a result of a past event, it is probable that an outflow of resources embodying economic benefits will be required to settle the obligation and a reliable estimate can be made of the obligation. PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA Tbk AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS AS OF DECEMBER 31, 2012 AND FOR THE YEAR THEN ENDED WITH COMPARATIVE FIGURES AS OF DECEMBER 31, 2011 AND FOR THE YEAR THEN ENDED AND AS OF JANUARY 1, 2011 Figures in tables are presented in billions of Rupiah, unless otherwise stated 34 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES continued aa. Critical accounting estimates and judgements Estimates and judgements are continually evaluated and are based on historical experience and other factors, including expectations of future events that are believed to be reasonable under the circumstances. The Company and subsidiaries make estimates and assumptions concerning the future. The resulting accounting estimates will, by definition, seldom equal the related actual results. The estimates and assumptions that have a significant risk of causing a material adjustment to the carrying amounts of assets and liabilities within the next financial year are addressed below.

i. Retirement benefits

The present value of the retirement benefits obligations depends on a number of factors that are determined on an actuarial basis using a number of assumptions. The assumptions used in determining the net cost income for pensions include the discount rate. Any changes in these assumptions will impact the carrying amount of retirement benefits obligations. The Company and subsidiaries determine the appropriate discount rate at the end of each reporting period. This is the interest rate that should be used to determine the present value of estimated future cash outflows expected to be required to settle the obligations. In determining the appropriate discount rate, the Company and subsidiaries consider the interest rates of government bonds that are denominated in the currency in which the benefits will be paid and that have terms to maturity approximating the terms of the related retirement benefits obligations. If there is an improvement in the ratings of such government bonds or a decrease in interest rates as a result of improving economic conditions, there could be a material impact on the discount rate used in determining the post-employment benefits obligations. Other key assumptions for retirement benefits obligations are based in part on current market conditions. Additional information is disclosed in Notes 34, 35 and 36. ii. Estimating useful lives of property and equipment and intangible assets The Company and subsidiaries estimate the useful lives of their property and equipment and intangible assets based on expected asset utilization, considering strategic business plans, expected future technological developments and market behavior. The estimates of useful lives of property and equipment are based on the Company and subsidiaries collective assessment of industry practice, internal technical evaluation and experience with similar assets. The Company and subsidiaries review estimates of useful lives at least each financial year end and are updated if expectations differ from previous estimates due to physical wear and tear, technical or commercial obsolescence and legal or other limitations on the use of the assets. The amounts and timing of recorded expenses for any year will be affected by changes in these factors and circumstances. A change in the estimated useful lives of the property and equipment is the change in accounting estimates and is applied prospectively in profit or loss in the period of the change and future periods. Detail of nature and carrying amounts of property and equipment is disclosed in Note 10 and intangible assets in Note 12.