COST OF REVENUES OPERATING EXPENSES

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 39

18. COST OF REVENUES

The details of cost of revenues are as follows: 2005 2004 Raw materials used 569,145,339,144 475,718,562,279 Direct labor 316,258,057,426 249,499,085,410 Fuel and power 1,590,501,145,662 1,273,757,404,715 Manufacturing overhead 880,281,762,085 806,608,441,317 Total Manufacturing Cost 3,356,186,304,317 2,805,583,493,721 Work in Process Inventory At beginning of year 75,301,148,375 87,803,081,247 At end of year 108,997,225,500 75,301,148,375 Cost of Goods Manufactured 3,322,490,227,192 2,818,085,426,593 Finished Goods Inventory At beginning of year 35,836,142,073 55,054,132,871 Others 2,348,546,004 91,680,850 At end of year 68,680,550,631 35,836,142,073 Cost of Goods Sold before Packing Cost 3,287,297,272,630 2,837,395,098,241 Packing Cost 285,157,362,997 255,024,080,688 Total Cost of Revenues 3,572,454,635,627 3,092,419,178,929 Liabilities related to manufacturing costs which had been incurred but not yet billed to the Company and Subsidiaries amounted to Rp76,713,817,907 and Rp24,190,114,651 as of December 31, 2005 and 2004, respectively, and are presented as part of “Accrued Expenses” in the consolidated balance sheets. There are no aggregate purchases from any individual supplier which exceeded 10 of consolidated revenues.

19. OPERATING EXPENSES

The details of operating expenses are as follows: 2005 2004 Delivery and Selling Expenses Delivery, loading and transportation 524,162,267,123 425,107,511,483 Salaries, wages and employees’ benefits see Note 20 32,253,290,296 26,706,216,790 Advertising and promotion 13,475,309,224 32,503,498,629 Rental 9,738,195,677 6,269,197,371 Professional fees 5,769,974,561 5,321,069,298 Taxes and licenses 5,539,810,792 2,796,318,145 Depreciation 4,799,578,186 4,956,816,706 Research and testing 3,537,924,835 2,221,085,790 Electricity and water 2,677,467,090 2,531,340,854 Association and membership dues 2,395,946,530 2,186,527,906 Medical expense 2,198,689,406 861,578,958 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 40

19. OPERATING EXPENSES continued 2005