b'STAATSOLIE MAATSCHAPPIJ SURINAME N.V.NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED DECEMBER 31, 2021 (Continued)4.2 REFINING PROPERTIES (X US$ 1,000) Land & Lease hold Building and Machine & Abandonment Pipelines Other Fixed Projects in Progress Grand Total Improvement Structure Equipment Costs AssetsCostAt January 1, 20209,774 1,112,072 14,117 8,071 33,249 2,705 23,233 1,203,221 AdjustmentAbandonmentCosts*- - -2,318- - -2,318Additions - 435 141 - - -36,711 37,287Adjustments- -91- - 1 -92CapitalizedfromPIPtoPPE-51,491233 - - -(51,724)- Disposals/Disinvestmentincurrentyear-(1,809) (5)- -(133)-(1,947)Internal transfer- - - - - - - ExpensetoP&Lincurrentyear- - - - - -(6,695) (6,695)At December 31, 20209,774 1,162,189 14,577 10,389 33,249 2,573 1,525 1,234,276 AdjustmentAbandonmentCosts*- - -(3,495)- - -(3,495)Additions - 3731,450- - -7,644 9,467Adjustments- - - - - - - CapitalizedfromPIPtoPPE-4,504- - - -(4,504)- Disposals/Disinvestmentincurrentyear-(13,575) (2,249)- -(579)-(16,403)Internal transfer- - - - -29130ExpensetoP&Lincurrentyear- - - - - -(48) (48)At December 31, 20219,774 1,153,491 13,778 6,894 33,249 2,023 4,618 1,223,827 DepreciationAt January 1, 2020(1,666)(262,301)(11,967)(668)(9,482)(2,230)- (288,314)Adjustments- -(90)- -(3)-(93)DepreciationAbandonmentCosts*- - -(337)- - -(337)Depreciation current year-(50,676) (482)-(1,240) (81)-(52,479)Depreciation/Disinvestmentincurrentyear-3615 - - 133 -499Impairment-(9,233)- - - - -(9,233)At December 31, 2020(1,666)(321,849)(12,534)(1,005)(10,722)(2,181)- (349,957)Adjustments- - - - - 1 - 1 DepreciationAbandonmentCosts*- - -(519)- - -(519)Depreciation current year-(54,204) (617)-(1,240) (50)-(56,111)Depreciation/Disinvestmentincurrentyear-13,228 2,242- -579-16,049Depreciationduetoimpairmentreversal-9,224- - - - -9,224Internal transfer- - - - -(32)-(32)At December 31, 2021(1,666)(353,601)(10,909)(1,524)(11,962)(1,683)- (381,345)Netbookvalue:At December 31, 20208,108 840,340 2,043 9,384 22,527 392 1,525 884,319 At December 31, 20218,108 799,890 2,869 5,370 21,287 340 4,618 842,482 *Adjustments to abandonment cost relates to changes in the decommissioning provision 118 STAATSOLIE 2021 ANNUAL REPORT'