ESTIMATED LIABILITY FOR EMPLOYEE BENEFITS continued

PT INDOCEMENT TUNGGAL PRAKARSA Tbk. AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS Years ended December 31, 2005 and 2004 Expressed in rupiah, unless otherwise stated 41

20. ESTIMATED LIABILITY FOR EMPLOYEE BENEFITS continued

a. Retirement Benefit continued The actuarial valuation was determined using the “Projected Unit Credit” method which considered the following assumptions: Company Subsidiaries Discount rate 11 in 2005 and 10 in 2004 11 in 2005 and 10 in 2004 Wage and salary increase 9 in 2005 and 2004 9 in 2005 and 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 Commissioners Standard Commissioners Standard Ordinary 1980 CSO ’80 Ordinary 1980 CSO ’80 Disability 10 of the mortality rate 10 at the mortality rate The provisions for employee benefits recognized in the consolidated statements of income consisted of the following: 2005 2004 Current service costs 9,922,838,000 9,040,141,000 Interest costs 14,727,976,000 12,640,194,000 Actuarial loss recognized 119,321,000 - Amortization of past service costs and actuarial gains 7,955,552,975 7,145,843,131 Net employee benefits expense 32,725,687,975 28,826,178,131 A reconciliation of estimated liability for employee benefits is as follows: 2005 2004 Present value of defined benefit obligation 156,375,954,000 152,363,252,000 Unamortized balance of the non-vested past service costs 94,770,637,000 102,652,854,000 Actuarial loss 13,737,803,188 16,062,882,277 Liability recognized in the consolidated balance sheets 47,867,513,812 33,647,515,723 Movements in the estimated liability for employee benefits are as follows: 2005 2004 Balance at beginning of year 33,647,515,723 17,740,633,181 Provision during the year 32,725,687,975 28,826,178,131 Payments during the year 18,505,689,886 12,919,295,589 Balance at end of year recorded as part of “Long-term Liabilities - Others” account in the consolidated balance sheets 47,867,513,812 33,647,515,723 PT INDOCEMENT TUNGGAL PRAKARSA Tbk. AND SUBSIDIARIES NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS Years ended December 31, 2005 and 2004 Expressed in rupiah, unless otherwise stated 42

20. ESTIMATED LIABILITY FOR EMPLOYEE BENEFITS continued