Audits on units, projects and contractors Total number of accidents 121 122 Total number of fatal accidents 0 1 Accident frequency rate (4) 3.22 2.89 Total number of days of absence due to accidents 4,326 16,186 Accident severity rate (4) 0.12 0.38 Total number of days of absence from work (4) 129,968 249,365 Absence rate (4) 2.41% 5.16% Environment 2010 2011 Number of Power Plants with certified Environmental management Systems 13 15 CO2 emissions (tn) 46,499,607 46,880,821 Surface area of PPC’s facilities (hydroelectric facilities) in protected areas (km2) 65.22 65.22 Society 2010 2011 Total amount of Lignite levy paid in local communities (€ thousand) 23,175 20,721 Note: The figures in the table above inside brackets are negative figures (-).