USE OF CRITICAL ACCOUNTING ESTIMATES AND JUDGEMENTS

PT BANK MANDIRI PERSERO Tbk. AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS 31 DECEMBER 2014 AND 2013 Expressed in millions of Rupiah, unless otherwise stated Appendix 550 3. USE OF CRITICAL ACCOUNTING ESTIMATES AND JUDGEMENTS continued Key sources of estimation uncertainty continued

d. Insurance liabilities on insurance contracts

Technical reserves of subsidiaries recorded in the consolidated statement of financial position as part of “Other liabilities” are calculated based on actuarial calculation using certain actuarial assumptions. Included in the technical reserves are liability for future policy benefits, estimated claim liabilities, unearned premium income, unexpired risk reserve URR and liability to policyholders.

4. CURRENT ACCOUNTS WITH BANK INDONESIA

2014 2013 Rupiah 40,379,267 34,292,655 United States Dollar Note 61B.v 10,219,573 9,611,764 50,598,840 43,904,419 As at 31 December 2014 and 2013, the Bank’s Minimum Statutory Reserve complies with Bank Indonesia BI Regulation No. 1310PBI2011 dated 9 February 2011, which latest amended by BI Regulation No. 1515PBI2013 dated 24 December 2013 regarding Minimum Statutory Reserve of Commercial Banks in Rupiah and foreign currencies which are as follows: 2014 2013 Rupiah - Primary Minimum Statutory Reserve 8.00 8.00 - Secondary Minimum Statutory Reserve 4.00 4.00 Foreign Currencies 8.00 8.00 Primary Minimum Statutory Reserve is a minimum reserve that should be maintained by the Bank in the Current Accounts with Bank Indonesia. Secondary Minimum Statutory Reserve is the minimum reserves that should be maintained by the Bank, comprises of Certificates of Bank Indonesia SBI, Certificate of Bank Indonesia Deposit SDBI, Treasury Bills andor Excess Reserve, which is determined by Bank Indonesia. Minimum statutory reserve on Loan to Deposit Ratio LDR is the Minimum Statutory Reserve that should be maintained by the Bank in the form of Current Account with Bank Indonesia, if the Bank’s LDR below the minimum of LDR targeted by Bank Indonesia 78 and if the Bank’s LDR above the maximum of LDR targeted by Bank Indonesia 92 given that the Capital Adequacy Ratio is above BI requirement of 14. Excess Reserve, represents the excess balance of the Bank’s Current Accounts in Rupiah over the Primary Minimum Statutory Reserve and the Minimum Statutory Reserve on Loan to Deposit Ratio LDR. The ratio of the Minimum Statutory Reserve requirement Bank Mandiri only for its Rupiah and foreign currencies accounts as at 31 December 2014 and 2013, are as follows: 2014 2013 Rupiah - Primary Minimum Statutory Reserve 8.00 8.00 - Secondary Minimum Statutory Reserve 17.74 18.08 - Minimum Statutory Reserve on Loan to Deposit Ratio 0.00 0.00 Foreign currencies 8.49 8.10 The additional minimum reserve calculated based on difference between Bank’s LDR with the minimum or the maximum Bank Indonesia’s Loan to Deposit Ratio Target. Difference between Bank’s LDR with the minimum Bank Indonesia’s LDR target multiply by 10, whereas difference between the Bank’s LDR with the maximum Bank Indonesia’s LDR target multiply by 20. The regulation was effective starting from 31 December 2013. Bank Mandiri’s LDR as at 31 December 2014 and 2013 is between 78 - 92, therefore no GWM LDR required. PT BANK MANDIRI PERSERO Tbk. AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS 31 DECEMBER 2014 AND 2013 Expressed in millions of Rupiah, unless otherwise stated Appendix 551 5. CURRENT ACCOUNTS WITH OTHER BANKS a. By Currency, Related Parties and Third Parties: 2014 2013 Rupiah Related parties Note 55 19,869 38,982 Third parties 258,212 162,747 Total Rupiah 278,081 201,729 Foreign currencies Related parties Note 55 1,068 406 Third parties 8,707,682 13,845,940 Total foreign currencies Note 61B.v 8,708,750 13,846,346 Total 8,986,831 14,048,075 Less: Allowance for impairment losses 3,364 11,591 8,983,467 14,036,484 Included in foreign currencies are mainly Pound Sterling, Euro, United States Dollar, Yen, Australian Dollar, Hong Kong Dollar and Singapore Dollar. b. By Bank Indonesia’s Collectibility: 2014 2013 Rupiah - Current 278,081 201,729 Foreign currencies Current 8,705,569 13,841,687 Loss 3,181 4,659 Total foreign currencies Note 61B.v 8,708,750 13,846,346 Total 8,986,831 14,048,075 Less: Allowance for impairment losses 3,364 11,591 8,983,467 14,036,484 c. The Average Interest Rate yield per Annum: 2014 2013 Rupiah 0.14 0.02 Foreign currencies 0.08 0.06 d. Movements of allowance for impairment losses on current accounts with other banks are as follows: 2014 2013 Balance at beginning of year 11,591 6,268 Reversalallowance during the year Note 44 6,846 3,726 Others 1,381 1,597 Balance at end of year 3,364 11,591 Includes effect of foreign currency translation. Management believes that the allowance for impairment losses on current accounts with other banks is adequate. e. Information in respect of classification of “non-impaired” and “impaired” is disclosed in Note 61A.