ESTIMATED LIABILITY FOR EMPLOYEE BENEFITS continued

PT INDOCEMENT TUNGGAL PRAKARSA Tbk. AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS Three Months ended March 31, 2005 and 2004 Expressed in rupiah, unless otherwise stated 39

20. ESTIMATED LIABILITY FOR EMPLOYEE BENEFITS continued

The actuarial valuation was determined using the “Projected Unit Credit” method which considered the following assumptions: Company Subsidiaries Discount rate 10 in 2005 and 9 in 2004 10 in 2005 and 9 in 2004 Wage and salary increase 9 in 2005 and 8 in 2004 9 in 2005 and 8 in 2004 Retirement age 55 years 55 years Average employee turnover 1 for employees with ages from 2 - 5 for employees with 20 years old up to 54 years old ages from 20 years old, decreasing linearly to 0 at age 45 Table of mortality Commissioner’s Standard Commissioner’s Standard Ordinary 1980 Ordinary 1980 Disability 10 of the mortality rate 10 at the mortality rate Provisions for employee benefits recognized in the consolidated statements of income for the three months ended March 31, 2005 and 2004 are as follows: 2005 2004 Current service costs 2,054,418,000 - Interest costs 3,018,678,247 - Amortization of past service costs and actuarial gains 1,796,966,000 - Net employees’ benefits expenses 6,870,062,247 - A reconciliation of estimated liability for employee benefits is as follows: 2005 2004 Present value of defined benefit obligation 157,432,248,247 130,655,966,721 Unamortized balance of the non-vested past service costs 100,855,888,000 104,659,854,000 Actuarial loss 16,062,882,277 9,070,286,819 Translation liability - 591,204,000 Liability should be recognized in consolidated balance sheets 40,513,477,970 17,517,029,902 Current maturity of estimated liability for employee benefits 6,214,292,069 3,580,283,310 Long-term portion 34,299,185,901 13,936,746,592 Movements in the estimated liability for employee benefits are as follows: 2005 2004 Balance at beginning of period 33,647,515,723 17,740,633,181 Provision during the period 6,870,062,247 - Payment during the period 4,100,000 223,603,279 Balance at end of period recorded as part of “Long-term Liabilities - Others” account in the consolidated balance sheets 40,513,477,970 17,517,029,902 PT INDOCEMENT TUNGGAL PRAKARSA Tbk. AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS Three Months ended March 31, 2005 and 2004 Expressed in rupiah, unless otherwise stated 40

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