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ENVIRONMENTAL, SOCIAL AND SOCIETAL INDICATORS

ENVIRONMENTAL INDICATORS

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Verification by the Statutory Auditors Unit GRI Standards 2012 2013 2014 2015 2016 2017 2018

SECTION Limited assurance

Reasonable assurance

MANAGEMENT

Waste Percentage of activity (tonnage) covered by an environmental management system (EMS) % N/A 84% 87.3% 98% 85.3% 80.6% 84.8% 58.7%

Water Percentage of activity (volume) covered by ISO 14001 certification % N/A 68.1% 73.6% 59% 58% 65% 75.5% 97%

Convictions relating to damage caused to the environment Nb 307-1 3 3 7 5 2 8 1

Compensation paid as a result of convictions (related to incidents affecting the environment) K 307-1 1,715 22 406 455 7.85 180.06 12.95

Total number and volume of significant accidental spills Nb 306-3 0 0 0 0 0 0 0

ENERGY

Installed capacity Electricity Biogas recovery MWe 302-1 134 172 187 184 201 191 190

Installed capacity Electricity Waste-to-energy recovery of household waste MWe 302-1 517 515 513 550 550 686 680

Installed capacity Heat Biogas recovery MWth 302-1 67 199 55 94 102 106 101

Installed capacity Heat Waste-to-energy recovery of household waste MWth 302-1 1,632 1,587 1,631 1,636 1,637 2,043 2 040

Waste Energy consumption TOTAL xx MWhe 302-1 3,473,482 3,344,816 3,308,170 5,935,609 4,929,422 4,185,652 7,646,554

*including Waste Energy consumption ELECTRICITY xx MWhe 302-1 587,000 558,360 617,935 616,233 568,793 1,306,765 1 860 011

Water Energy consumption TOTAL xx MWhe 302-1 4,920,966 6,043,316 5,657,935 5,954,653 5,478,423 7,187,573 7,245,636

*including Water Energy consumption ELECTRICITY xx MWhe 302-1 4,170,000 4,542,515 4,251,884 4,646,124 4,571,389 5,911,081 6,074,105

Water and Waste Energy consumption ELECTRICITY xx MWhe 302-1 4,757,000 5,100,875 4,869,819 5,262,357 5,140,182 7,217,846 7,934,116

Water and Waste Energy consumption NATURAL GAS xx MWhe 302-1 436,250 387,973 394,658 501,872 796,334 790,071 866,505

Water and Waste Energy consumption FUEL xx MWhe 302-1 - 931,504 958,647 1,840,847 3,314,703 1,175,725 1,184,971

Water and Waste Energy consumption OTHER FUELS xx MWhe 302-1 3,201,198 2,967,780 2,742,981 4,285,185 1,156,627 2,189,584 4,906,598

Energy consumption per tonne of non-hazardous waste treated kWh eq / t 302-3 33 35 33 107 71 41 123

Energy consumption per m3 of drinking water produced and distributed xx Whe / m3 302-3 519 426 424 446 460 469 465

Electricity consumption per m3 of wastewater collected and treated Wh eq / m3 302-3 937 611 770 904 1 232 1 483 918

WATER AND WASTE IN THE PROCESSES

WASTE Water consumption m3 303-5 9,588,054 9,345,524 9,699,999 7,624,649 38,196,705 40,168,344 35,834,638

*including Waste Municipal distribution network m3 303-5 - 6,500,000 6,700,000 6,114,755 6,504,344 6,904,808 7,354,856

*including Waste Surface and groundwater m3 303-5 - 2,845,524 2,999,999 1,509,894 31,692,362 33,263,536 28,479,782

Surface water returned to the natural environment m3 303-4 - - - - 29,190,387 30,515,620 25,791,741

Non-hazardous waste produced T 306-2 - 904,617 847,695 645,226 636,666 563,762 484,421

Hazardous waste produced T 306-2 - 376,584 288,364 289,978 299,058 357,823 372,533

AIR

Direct GHG emissions xx teqCO2 305-1 5,695,329 5,426,088 6,086,997 6,364,728 6,197,115 6,047,795 6,729,015

*including Waste Collection activities xx teqCO2 305-1 558,591 567,390 521,896 537,263 504,971 640,213 504,229

*including Waste Incineration (including hazardous waste) xx teqCO2 305-1 2,275,013 2,066,971 2,310,006 3,292,122 2,898,303 3,151,123 3,353,272

*including Waste Storage xx teqCO2 305-1 2,048,755 2,066,051 2,303,761 1,624,580 1,750,719 1,797,514 2,313,997

*including Waste Treatment of hazardous industrial waste (excluding incineration) teqCO2 305-1 385,778 291,446 295,934 409,946 8,176 8,963 10,033