4. Operating Expenses
4.1. Raw material and consumables used
in PLN m
| Period from Jan 1 – Dec 31 2012 | Period from Jan 1 – Dec 31 2011 | |
|---|---|---|
| Cost of gas sold | (15,714) | (13,353) |
| Fuels for electricity and heat generation | (984) | - |
| Other raw material and consumables used | (749) | (706) |
| Total | (17,447) | (14,059) |
4.2. Employee benefit expense
in PLN m
| Period from Jan 1 – Dec 31 2012 | Period from Jan 1 – Dec 31 2011 | |
|---|---|---|
| Salaries and wages | (2,237) | (2,088) |
| Social security contributions | (496) | (439) |
| Other employee benefit expense | (289) | (281) |
| Cost of future benefits | (32) | (42) |
| Total | (3,054) | (2,850) |
4.3. Contracted services
in PLN m
| Period from Jan 1 – Dec 31 2012 | Period from Jan 1 – Dec 31 2011 | |
|---|---|---|
| Transmission services | (1,454) | (1,463) |
| Costs of dry wells written off | (127) | (276) |
| Other contracted services | (1,479) | (1,443) |
| Total | (3,060) | (3,182) |
4.4. Other income and expenses
in PLN m
| Period from Jan 1 – Dec 31 2012 | Period from Jan 1 – Dec 31 2011 | |
|---|---|---|
| Compensations, penalties, fines, etc. received | 48 | 129 |
| Income from current settlement of deferred income recognised in the statement of financial position | 64 | 57 |
| Interest on receivables related to operating activities | 43 | 79 |
| Other income | 107 | 140 |
| Net exchange differences related to operating activities | (299) | 199 |
| Gain/loss on derivative instruments related to operating activities | (116) | (321) |
| Net gains/losses on disposal of non-financial non-current assets | 56 | (26) |
| Change in products | 16 | 7 |
| Change in impairment losses on property, plant and equipment | (206) | (131) |
| Change in impairment losses on inventories | (9) | (7) |
| Change in impairment losses on trade and other receivables | (21) | 64 |
| Change in other impairment losses | - | - |
| Provision for well decommissioning costs | (35) | (2) |
| Provision for penalty imposed by the Office for Competition and Consumer Protection | (60) | - |
| Provision for environmental liabilities | 27 | 17 |
| Provision for claims under extra-contractual use of land | (15) | 18 |
| Provision for dispute with the PBG Consortium | 1 | (22) |
| Other provisions | (84) | (18) |
| Taxes and charges | (547) | (462) |
| Value of goods and materials sold | (179) | (33) |
| Property insurance | (89) | (75) |
| Domestic and international business trips | (64) | (50) |
| Compensations, penalties, fines, etc. paid | (24) | (16) |
| Interest on payables related to operating activities | (2) | (1) |
| Other costs | (185) | (142) |
| Total | (1,573) | (596) |
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