28. Other operating income

NoteFor the period
from 1 January 2014
to 31 December 2014
from 1 January 2013
to 31 December 2013
Income and gains from financial instruments classified under other operating activities, resulting from: 31.3 747 612
Measurement and realisation of derivatives 258 324
Interest 306 225
Dividends received 36 35 37
Foreign exchange gains 146 -
Gains on sale - 24
Reversal of allowance for impairment of loans and receivables 2 2
Increase in fair value of investment property - 5
Gains from the sale of intangible assets - 1
Interest on non-financial receivables 5 2
Reversal of allowance for impairment of other non-financial receivables 2 2
Government grants and other donations received 9 46
Release of unused provisions due to: 18 35
Decommissioning of mines 14 32
Disputed issues, pending court proceedings 3 1
Other 1 2
Surpluses identified in current assets 3 4
Penalties and compensation received 10 16
Management fee for Sierra Gorda S.C.M.* 50 49
Change in estimated put option liabilities for employee shares - 23
Other operating income/gains 78 52
Total 922 847

* KGHM INTERNATIONAL LTD. and Sierra Gorda S.C.M. have signed a contract for providing services, according to which KGHM INTERNATIONAL LTD. supports the process of managing Sierra Gorda S.C.M., in particular with respect to operational and technical support throughout the life of the mine, in exchange for the annual fee specified in the contract.