The activities of the Generation and Trading Business Unit are related to the management of the generation plant portfolio⁽¹⁾ of the Group. The “Generation” sector has the specific goal of maximizing plant availability and efficiency, minimizing operating and maintenance (O&M)costs. Instead, the “Trading” sector has the task of maximizing the profit from the management of the energy portfolio through the purchase and sale of electricity, fuel (gaseous and nongaseous) and environmental certificates on domestic and foreign wholesale markets. The Trading Business Unit also includes the activity of trading on domestic and foreign markets of all energy commodities (gas, electricity, environmental certificates).

^{(1) Total install ed capacity of 8.8 GW.}

The Market Business Unit manages – directly or as a service – the sales, marketing and customer services relating to the provision of commodities and services in the areas of electricity, natural gas, energy efficiency, public lighting and traffic control systems, e-mobility, TLC and smart city, directed at all customer segments.

The activities of the Environment Business Unit relates to the management of the integrated waste cycle, which ranges from collection and street sweeping to the treatment, disposal and recovery of materials and energy. In particular, collection and street sweeping mainly refers to street cleaning and the collection of waste for transportation to its destination. Instead, waste treatment is an activity that is carried out in dedicated centers to convert waste in order to make it suitable for the recovery of materials. Lastly, disposal of urban and special waste in combustion plants or landfills ensures the possible recovery of energy through waste-to-energy or biogas production, respectively. Results sector by sector Interim report on operations – September 30, 2016

The main activities of the Networks and Heating Business Unit are the technical and operational management of electricity distribution networks, natural gas transport and distribution networks and the management of the entire integrated water cycle (water collection, aqueduct management, water distribution, sewer network management, purification). It also handles the production and sale of heat conveyed through district heating networks and offers management services for heating plants owned by third parties

In the reporting period, the International Business Unit includes the activities carried out by the investee company Elektroprivreda Crne Gore AD Nikšic' (EPCG)⁽²⁾ in relation to the production and sale of electricity in Montenegro and the operational technical management of the related electricity distribution networks.

^{(2) Total installed capacity of 0.9 GW.}

The company is the reference operator within the A2A Group for the provision of telecommunications services. In particular, it provides services related to the management of fixed and mobile telephony and data transmission lines as well as services related to the management and development of infrastructure in support of communication. A2A Smart City is also a major provider in the realization and management of video surveillance and access control systems.

Corporate services include the activities of guidance, strategic direction, coordination and control of industrial operations, as well as services to support the business and operating activities (ex. administrative and accounting services, legal services, procurement, personnel management, information technology, communications etc.) whose costs, net of amounts recovered from accrual to individual Business Units based on services rendered, remain the responsibility of Corporate.