(EUR 000) 31.12.2011 31.12.2010
Revenue from sales 523,810 1,108,727
Revenue from services 49,896 105,725
  573,706 1,214,452
Change in contract work in progress 427,304 (193,962)
Revenue from third parties 1,001,010 1,020,490
Revenue from related parties 210,934 263,220
Total revenue 1,211,944 1,283,710

Revenue from third parties amounted to EUR 1,001,010 thousand at 31 December 2011 compared with EUR 1,020,490 thousand at 31 December 2010, with a decrease of EUR 19,480 thousand.
Revenue from related parties fell by EUR 52,286 thousand from the previous period, mainly attributable to the reduction in the business activity of the associate Metro 5, of Consortium Saturno and in relation to the Ferrovie dello Stato Group.
The trend of revenue detailed by business sector is commented in the previous notes.

Registered Office: 16151 Genoa Via Paolo Mantovani, 3 - 5
Paid-in Share Capital EUR 70,000,000 R.E.A. n. 421689 Register of Enterprises of Genoa Tax Code 01371160662
A Finmeccanica Company