13. Intangible Assets

Thousands of Russian Roubles, unless otherwise stated

	Software	Licenses	Other intangible assets	Total
*Cost*
At 1 January 2010	424,637	158,033	1,075,544	1,658,214
Acquisitions through business combinations	189	206	—	395
Additions	69,588	10,362	119,208	199,158
Disposals	(11,323)	(51,588)	(24,882)	(87,793)
At 31 December 2010	483,091	117,013	1,169,870	1,769,974
At 1 January 2011	483,091	117,013	1,169,870	1,769,974
Reclassification	(158,402)	1	158,401	—
Additions	161,612	426	82,269	244,307
Disposals	(109,985)	(117,156)	(14,512)	(241,653)
At 31 December 2011	376,316	284	1,396,028	1,772,628
*Accumulated amortization*
At 1 January 2010	(97,655)	(121,028)	(176,846)	(395,529)
Amortization for the year	(74,216)	(21,265)	(254,389)	(349,870)
Disposals	11,323	50,750	24,882	86,955
At 31 December 2010	(160,548)	(91,543)	(406,353)	(658,444)
At 1 January 2011	(160,548)	(91,543)	(406,353)	(658,444)
Reclassification	32,086	(1)	(32,085)	—
Amortization for the year	(131,853)	(326)	(251,069)	(383,248)
Disposals	107,832	91,829	14,512	214,173
At 31 December 2011	(152,483)	(41)	(674,995)	(827,519)
*Net book value*
At 1 January 2010	326,982	37,005	898,698	1,262,685
At 31 December 2010	322,543	25,470	763,517	1,111,530
At 31 December 2011	223,833	243	721,033	945,109