Shareholders' Letter

Land/buildings
Environmental performance indicators in Switzerland
Unit 2008 2009 2010
Net floor space millions of m 2 1.01 0.88 0.95
Paper for photocopying and printing
Format A4 100% recycled (other formats converted) millions of sheets 61.0 49.6 41.0
Water/sewage
Water consumption 1 m 3 453,811 453,698 452,486
Energy, electricity
Electrical energy consumption 2, 3 terajoule 1,434 1,448 1,454
Energy, heating
GWh 427 402 404
Heating oil 4 terajoule 176.0 161.2 149.4
Natural gas terajoule 37.0 24.9 31.5
District heating terajoule 25.0 25.8 27.3
Heating, total terajoule 238.0 211.9 208.2
Energy, fuel
Petrol terajoule 98.0 93.3 77.8
Diesel fuel terajoule 82.6 83.1 93.0
Natural gas terajoule 0.6 0.4 1.5
Total fuel terajoule 181.2 176.8 172.3
Vehicles number 3,392 3,240 3,102
Kilometers driven millions of km 70.0 71.0 66.1
Energy, total
Energy consumption terajoule 1,853 1,837 1,835
Air emissions
Carbon dioxide CO 2
Nitrous gases NO x
Sulphur dioxide SO 2
Waste
GWh 515 510 510
tons 28,367 26,296 25,422
tons 23.5 23.0 22.5
tons 5.9 5.4 5.0
Waste tonnage 5 tons 970 855 946
1 Water consumption based on a forecast.
2 Energy conversion: 1 terajoule (TJ) = 0.278 gigawatt hours (GWh).
3 Value of the year 2010 based on a forecast.
4 Heating oil consumption based on a forecast.
5 Based on data provided by the Swiss Waste Exchange and the Group companies; domestic waste not included.