CONSOLIDATED FINANCIAL STATEMENTS2010

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(1)www.a2a.eu WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. CONSOLIDATED FINANCIAL STATEMENTS 2010. CONSOLIDATED FINANCIAL STATEMENTS 2010.

(2) Consolidated annual report for 2010. Contents. Consolidated financial statements 4. Balance sheet. 6. Income statement. 7. Consolidated statement of comprehensive income. 8. Cash flow statement. 10. Statement of changes in Group equity. Consolidated financial statements pursuant to Consob Resolution 15519 of July 27, 2006 14. Balance sheet pursuant to Consob Resolution 15519 of July 27, 2006. 16. Income statement pursuant to Consob Resolution 15519 of July 27, 2006. 1. 19. General information on A2A S.p.A.. 20. Consolidated annual report. 21. Financial statements. 22. Basis of preparation. 23. Changes in international accounting standards. 30. Scope of consolidation. 32. Consolidation policies and procedures. 38. Accounting Policies. 55. A2A Group – Areas of activity. 56. Results sector by sector. 58. Notes to the balance sheet. 84. Net debt. 85. Notes to the income statement. 94. Earnings per share. 95. Notes on related party transactions. 98. Consob Communication no. DEM/6064293 of July 28, 2006. 100. Guarantees and commitments with third parties. 102. Other information. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. Notes to the consolidated financial statements.

(3) Consolidated annual report for 2010 Contents. Attachments to the consolidated annual report 148. 1. Statement of changes in tangible assets. 150. 2. Statement of changes in intangible assets. 152. 3. List of companies included in the consolidated annual report. 154. 4. List of shareholdings carried according to equity method. 156. 5. List of shareholdings of the Ecodeco Group. 158. 6. List of shareholdings of the Coriance Group. 160. 7. List of financial assets available for sale. 162. 8/a Remuneration of the Management Board. 163. 8/b Remuneration of the Supervisory Board. 169. Certification of the consolidated financial statements pursuant to art. 154bis para. 5 of Leg. Decree 58/98. 171. Independent Auditors’ Report. This is a translation of the Italian original “Relazione annuale finanziaria consolidata 2010” and has been prepared solely for the convenience of international readers. In the event of any ambiguity the Italian text will prevail. The Italian original is available on the website www.a2a.eu. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 2.

(4) WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. CONSOLIDATED FINANCIAL STATEMENTS 3.

(5) Consolidated annual report for 2010. Balance sheet (1) Assets. Millions of euro. Note. 12 31 2010. 12 31 2009 (*). Tangible assets. 1. 4,872. 4,164. Intangible assets. 2. 1,552. 1,487. Shareholdings carried at equity. 3. 2,411. 3,126. NON-CURRENT ASSETS. Other non-current financial assets. 3. 40. 47. Deferred tax assets. 4. 430. 458. Other non-current assets. 5. 113. 45. 9,418. 9,327. 6. 239. 191. Trade receivables. 7. 2,141. 1,770. Other current assets. 8. 275. 368. Total non-current assets CURRENT ASSETS Inventories. Current financial assets. 9. 56. 6. Current tax assets. 10. 18. 94. Cash and cash equivalents. 11. Total current assets NON-CURRENT ASSETS HELD FOR SALE TOTAL ASSETS (1). 12. 132. 25. 2,861. 2,454. 82. 419. 12,361. 12,200. As required by Consob Communication 15519 of July 27, 2006, the effects of transactions with related parties on the consolidated accounts are indicated in the statements in section 0.2 and discussed in note 40. Significant non-recurring events and transactions in the consolidated financial statements are indicated in Note 41, as required by Consob Communication DEM/6064293 of July 28, 2006.. (*). The values reported at December 31, 2009 for tangible and intangible assets and other non-current financial assets were reclassified solely for the purposes of comparison to reflect the adoption of IFRIC 12.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 4.

(6) Consolidated annual report for 2010 Balance sheet. Equity and liabilities. Millions of euro. Note. 12 31 2010. 12 31 2009 (*). Share capital. 13. 1,629. 1,629. (Treasury shares). 14. (61). (61). Reserves. 15. 1,625. 2,042. Net income for the year. 16. EQUITY. Equity pertaining to the Group Minority interests. 17. Total equity. 308. 80. 3,501. 3,690. 1,344. 905. 4,845. 4,595. 5. LIABILITIES. Non-current financial liabilities. 18. 3,736. 4,152. Deferred tax liabilities. 19. 493. 484. Employee benefits. 20. 276. 278. Provisions for risks, charges and liabilities for landfills. 21. 460. 419. Other non-current liabilities. 22. 177. 187. 5,142. 5,520. 23. 1,450. 1,074. Other current liabilities. 23. 404. 445. Current financial liabilities. 24. 448. 542. Tax liabilities. 25. Total non-current liabilities Current liabilities Trade payables. 56. 13. Total current liabilities. 2,358. 2,074. Total liabilities. 7,500. 7,594. 16. 11. 12,361. 12,200. LIABILITIES DIRECTLY ASSOCIATED WITH NON-CURRENT ASSETS HELD FOR SALE TOTAL EQUITY AND LIABILITIES. 26. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. Non-current liabilities.

(7) Consolidated annual report for 2010. Income Statement (1). Millions of euro. Note. 01 01 2010 12 31 2010. 01 01 2009 12 31 2009 (*). 5,923. 5,254. Revenues Revenues from the sale of goods and services Other operating income Total revenues. 28. 118. 147. 6,041. 5,401. 4,129. 3,628. Operating expenses Expenses for raw materials and services Other operating expenses. 318. 269. 4,447. 3,897. Total operating expenses. 29. Labour costs. 30. 554. 481. Gross operating income - EBITDA. 31. 1,040. 1,023. Depreciation, amortization, provisions and write-downs. 32. 542. 414. Net operating income - EBIT. 33. 498. 609. 58. 23. Financial expenses. 190. 300. Portion of income and charges when shareholdings are carried at equity.. (231). 66. (363). (211). Financial balance Financial income. Total financial balance. 34. Other non-operating income Other non-operating expenses Income before tax. 35. (1) 134. (166) 232. (1) As required by Consob Communication 15519 of July 27, 2006, the effects of transactions with related parties on the consolidated accounts are indicated in the statements in section 0.2 and discussed in note 40. Significant non-recurring events and transactions in the consolidated financial statements are indicated in Note 41, as required by Consob Communication DEM/6064293 of July 28, 2006. (*) Values provided for the purposes of comparison with the reporting period January - December 2009, more specifically for income statement items such as operating income and expenses, amortization and depreciation, and financial management, were reclassified to reflect exposure for trading transactions , highlighting only the "trading margin" ( “net presentation”) as well as the adoption of IFRIC12 and implementation of FRS5.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 6.

(8) Consolidated annual report for 2010 Income statement. Millions of euro. Note. 01 01 2010 12 31 2010. 01 01 2009 12 31 2009. Income taxes. 36. 158. 144. (24). 88. Income of current operations, net of tax Net result from non-current assets held for sale. 37. Net income Income pertaining to minority interests. 220. 19. 196. 107. 112. (27). 308. 80. - basic. 0.0993. 0.0259. - basic, from operating activities. 0.0286. 0.0197. - diluted. 0.0993. 0.0259. - diluted, from operating activities. 0.0286. 0.0197. Group net income (loss) for the year. 38. Earnings per share (in euro):. 7. Consolidated statement of comprehensive income. Net income/(loss) for the year (A) Effective part of gains/(losses) on cash flow hedges Gains/(losses) on the re-measurement of financial assets available for sale Tax effect of other gains/(losses) Total other gains/(losses) net of the tax effect of companies consolidated on a line-by-line basis (B) Other gains/(losses) of companies valued at equity net of the tax effect (C) Total gain/(loss) (A) + (B) + (C). 12 31 2010. 12 31 2009. 196. 107. 34. 63. (316). (99). (45). 10. (327). (26). 21. 49. (110). 130. (8). 79. (102). 51. Total gain/(loss) attributable to: Shareholders of the parent company Minority interests. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. Millions of euro.

(9) Consolidated annual report for 2010. Cash flow statement. Millions of euro. 12 31 2009 (***). CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR. 25. 87. EPCG LIQUIDITY (IV). 95. –. CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR. 120. 87. Net income for the year (**). (26). 107. Depreciation. 342. 282. Amortization. 85. 81. Fixed asset write-downs. 23. 17. Results from affiliates. 231. (68). 5. –. Change in assets and liabilities (*). 183. (181). Cash flow from operating activities. 843. 238. (247). (293). Investments in intangible assets and goodwill. (85). (145). Investments in shareholdings and securities (*). (14). (474). Sales of fixed assets and shareholdings. 347. 6. Dividends received from shareholdings carried at equity and other shareholdings. 59. 20. Cash flow used in investment activities. 60. (886). Write-downs of shareholdings. Investment activities Investments in tangible assets. (*) Net of balances with contra-entry in equity and other balance sheet items. (**) Net of gains from sale of shareholdings. (***) The values reported at December 31, 2009 were reclassified for the sole purpose of comparison to reflect the adoption of IFRIC12.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 8. 12 31 2010.

(10) Consolidated annual report for 2010 Cash flow statement. Millions of euro. 12 31 2010. Free cash flow. 903. (648). Change in financial assets (*). (94). 30. Change in financial liabilities (*). (552). 859. Dividends paid by parent company. (217). (301). Dividends paid by subsidiaries. (28). (2). (891). 586. 12. (62). 132. 25. 12 31 2009 (***). Financing activities. Cash flows used in financing activities CHANGE IN CASH AND CASH EQUIVALENTS CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR. (*) Net of balances with contra-entry in equity and other balance sheet items. (**) Net of gains from sale of shareholdings. (***) The values reported at December 31, 2009 were reclassified for the sole purpose of comparison to reflect the adoption of IFRIC12.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 9.

(11) Consolidated annual report for 2010. Statement of changes in Group equity. Description Millions of euro. Equity at 12.31.2008. Treasury shares. Cash Flow Hedge. Note 13. Note 14. Note 15. 1,629. (107). (67). Allocation of 2008 net income Distribution of dividends IAS 32 and IAS 39 reserves (*). 64. Put option on Delmi S.p.A. shares Put option on Abruzzoenergia S.p.A. shares Put option on Aspem Group Other changes. 46. Net income for year pertaining to the Group and minority interests. Equity at 12.31.2009. 1,629. (61). (3). Allocation of 2009 net income Distribution of dividends IAS 32 and IAS 39 reserves (*). 34. Put option on Delmi S.p.A. shares Put option on Abruzzoenergia S.p.A. shares EPCG group consolidation Other changes Net income for year pertaining to the Group and minority interests. Equity at 12.31.2010 (*) These form part of the statement of comprehensive income.. 1,629. (61). 31. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 10. Share capital.

(12) Consolidated annual report for 2010 Statement of changes in Group equity. Other reserves and retained earnings. Group net income for the year. Note 15. Note 15. Note 16. 415. 1,688. 316. 316. 848. 4,722. 11. 10. 10. (1). (2) 24. (303) 23 10. (1). (1). (4). (4). 28. 13. 41. 80. 80. 27. 107. 80. 3,690. 905. 4,595. (18). (80). (217) (350). -. 3,874. (301). 80. Total shareholders' equity. Note 17. (301). 1,695. Minority interests. (316). (65). 350. Total group net worth. (217). (28). (245). (316). 10. (306). 25. 25. 3. 3. 3. 3. 5. 5. (2). 3. 308. 308. (112). 196. 308. 3,501. 1,594. 25 (1) 572. 1,344. 2 575. 4,845. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. Income from financial assets available for sale.

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(14) CONSOLIDATED FINANCIAL STATEMENTS PURSUANT TO CONSOB RESOLUTION 15519 OF JULY 27, 2006. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 13.

(15) Consolidated annual report for 2010. Balance sheet pursuant to Consob resolution no. 15519 of July 27, 2006. Assets. Millions of euro. 12 31 2010. of which Related Parties (note 40). 12 31 2009 of which (*) Related Parties (note 40). NON-CURRENT ASSETS Tangible assets. 4,164. Intangible assets. 1,552. Shareholdings carried at equity. 2,411. 2,411. 40. 6. Other non-current financial assets Deferred tax assets Other non-current assets Total non-current assets. 1,487. 430. 3,126. 3,126. 47. 7. 458. 113. 45. 9,418. 9,327. 239. 191. Current Assets Inventories Trade receivables Other current assets. 2,141. Current financial assets. 56. Current tax assets. 18. Cash and cash equivalents Total current assets NON-CURRENT ASSETS HELD FOR SALE TOTAL ASSETS. 120. 275. 1,770. 164. 368 9. 6. 5. 94. 132. 25. 2,861. 2,454. 82. 419. 12,361. 12,200. (*) The values reported at December 31, 2009 for tangible and intangible assets and other non-current financial assets were reclassified solely for the purpose of comparison to reflect the adoption of IFRIC 12.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 14. 4,872.

(16) Consolidated annual report for 2010 Balance sheet. Equity and liabilities. Millions of euro. 12 31 2010. of which Related Parties (note 40). 12 31 2009 of which (*) Related Parties (note 40). EQUITY Share capital (Treasury shares) Reserves Net income for the year Equity pertaining to the Group Minority interests. 1,629. 1,629. (61). (61). 1,625. 2,042. 308. 80. 3,501. 3,690. 1,344. 905. 4,845. 4,595. 3,736. 4,152. 493. 484. Employee benefits. 276. 278. Provisions for risks, charges and liabilities for landfills. 460. 419. Total equity. 15. LIABILITIES. Non-current financial liabilities Deferred tax liabilities. Other non-current liabilities Total non-current liabilities. 177. 187. 5,142. 5,520. Current liabilities Trade payables. 1,450. 26. 1,074. Other current liabilities. 404. 16. 445. Current financial liabilities. 448. 3. 542. Tax liabilities. 56. 13. Total current liabilities. 2,358. 2,074. Total liabilities. 7,500. 7,594. 16. 11. 12,361. 12,200. LIABILITIES DIRECTLY ASSOCIATED WITH NON-CURRENT ASSETS HELD FOR SALE TOTAL EQUITY AND LIABILITIES. 24. 3. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. Non-current liabilities.

(17) Consolidated annual report for 2010. Income statement pursuant to Consob resolution no. 15519 of July 27, 2006. Millions of euro. 12 31 2010. of which Related Parties (note 40). 5,923. 268. 118. 1. 12 31 2009 of which (*) Related Parties (note 40). Revenues Revenues from the sale of goods and services Other operating income Total revenues. 273. 147. 1. 5,401. Operating expenses Expenses for raw materials and services Other operating expenses Total operating expenses Labour costs Gross operating income - EBITDA. 4,129. 27. 318. 2. 4,447. 3,628. 15. 269. 3. 3,897. 554. 481. 1,040. 1,023. Depreciation, amortization, provisions and write-downs. 542. 414. Net operating income - EBIT. 498. 609. Financial balance Financial income. 58. Financial expenses. 190. Portion of income and charges when shareholdings are carried at equity.. (231). Total financial balance. (363). Other non-operating income Other non-operating expenses Income before tax. – (1). 5. 23. 6. 300 (231). 66. 66. (211) – (166). 134. 232. Income taxes. 158. 144. Income of current operations, net of tax. (24). 88. Net result from non-current assets held for sale. 220. 19. Net income. 196. 107. Income pertaining to minority interests. 112. (27). GROUP NET INCOME FOR THE REPORTING PERIOD. 308. 80. (*) Values provided for the purposes of comparison with the reporting period January - December 2009, more specifically for income statement items such as operating income and expenses, amortization and depreciation, and financial management, were reclassified to reflect exposure for trading transactions , highlighting only the trading margin as well as adoption of IFRIC 12 and application of IFRS5.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 16. 6,041. 5,254.

(18) WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9.

(19) WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 0,1. NOTES TO THE CONSOLIDATED ANNUAL REPORT.

(20) Consolidated annual report for 2010. General information on A2A S.p.A.. A2A S.p.A. is a company incorporated under Italian law. A2A S.p.A. and its subsidiaries (“Group”) operate both in Italy and abroad, especially following acquisitions in France and Montenegro in recent years. The A2A Group mainly operates in the following sectors: • The production, sale and distribution of electricity. • The sale and distribution of gas. • The production, distribution and sale of heat through district heating networks.. 19. • Waste management (from collection and street-sweeping to disposal) and the construction and management of integrated waste disposal plants and systems, also making them available for other operators; • Integrated water cycle management. The consolidated financial statements of the A2A Group are expressed in euro, which is also the currency of the economies in which the Group operates. In particular, these explanatory. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. notes are presented in millions of euro..

(21) Consolidated annual report for 2010. Consolidated annual report. The consolidated annual report (hereafter “Annual Report”) at December 31, 2010 of the A2A Group are presented in millions of euro, which is also the currency of the economies in which the Group operates The annual report of the A2A Group at December 31, 2010 has been prepared: • In compliance with Decree 58/1998 (art. 154 ter) and subsequent amendments, and with the Issuers' Regulations published by Consob. • In accordance with the International Financial Reporting Standards (IAS/I FRS) issued by the International Accounting Standard Board (IASB) and approved by the European Union. This annual report has been prepared applying the same standards as were adopted for the previous year's consolidated financial statements. In addition, from January 1, 2010 the Group adopted for the first time the standards and interpretations explained in detail in the paragraph entitled “Changes in accounting policies”. This annual report at December 31, 2010 was approved by the Management Board on March 24, 2011, which authorised its publication; it has been audited by PricewaterhouseCoopers S.p.A. in accordance with their appointment by the Shareholders' Meeting of April 26, 2007 for the nine years from 2007 to 2015.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 20.

(22) Consolidated annual report for 2010. Financial statements. For the balance sheet, the Company has adopted a format which separates current and non/current assets and liabilities, as required by paras. 60 et seq. of “IAS 1 Revised”. The income statement is presented by nature, a format that is considered more representative than the so-called “presentation by destination”. This format is also adopted by the Company's principal competitors and is in line with international practice. The results of normal operations are shown in the income statement separately from income or costs deriving from non-recurring transactions that form part of the business's normal operations,. 21. such as gains or losses on the sale of shareholdings and other non-recurring income or charges; this makes it easier to measure the effective results of normal operating activities. The cash flow statement is prepared according to the indirect method, as allowed by IAS 7. The statement of changes in equity as been prepared in accordance with revised IAS 1 . The financial statements presented herein are the same as those used to prepare the Annual Report at December 31, 2009. Values have been provided for the purposes of comparison with tangible and intangible Concession Arrangements”.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. balance sheet assets at December 31, 2009 to reflect the adoption of IFRIC 12 “Service.

(23) Consolidated annual report for 2010. Basis of preparation. The consolidated annual report at December 31, 2010 has been prepared on a historical cost basis, with the exception of those items which, in accordance with IFRS, can or have to be measured at fair value, as explained in the accounting policies. The consolidation principles, accounting policies, measurement methods and estimates used in drawing up this annual report are the same as those use to prepare the report at December 31, 2009.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 22.

(24) Consolidated annual report for 2010. Changes in international accounting standards. The accounting standards applied in 2010 were the same as those used in the previous year, with the exception of the variations discussed in the following paragraph “Accounting standards, amendments and interpretations approved by the European Union and taking effect during the reporting period and applied as appropriate”. The following sections entitled “Accounting standards, amendments and interpretations already approved by the European Union, not adopted by the Group during the Reporting Period but applicable after December 31, 2010” and “Accounting standards, amendments and interpretations still to be approved by the European Union” list all variations to be adopted in. 23. future reporting periods, with an indication of the expected effect, as far is estimable, on the annual accounts of the A2A Group.. Accounting standards, amendments and interpretations approved by the European Union and taking effect during the current reporting period, where applicable. • IFRIC 12 “Service concession agreements”: this standard addresses the financial and services via concession agreements whereby the public sector body contracting with a private operator to develop, operate and maintain the grantor's infrastructure assets, also controls or regulates what services the operator must provide using the assets and at what price, and also controls any significant residual interest in the assets at the end of the term of the arrangement. With particular reference to the group, this interpretation applies to the distribution of gas, the integrated water cycle, public illumination, public cemetery lighting and Coriance Group co-generation plants. The lack of any definite legislation in previous years regulating these specific areas of operation meant that the method could not be applied from a specific date in the past, and was therefore applied from the present. Considering how the tariff for the contracted services is structured, it is impossible to reliably explicate the margin from construction operations from the overall benefit. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. statements of private sector operators involved in the provision of public sector assets.

(25) Consolidated annual report for 2010 Changes in international accounting standards. realized in the reporting period. Nevertheless, considering that a substantial proportion of the work is sub-contracted to third parties with subsequent margin, the investments made have been posted as “Other intangible assets” on the basis of the cost incurred, less any contributions received from the grantor or private bodies. Amortisation is calculated on the figure reported under intangible assets at rates reflecting the income-generating and technical purpose of the asset concerned (assets to which a cost applies), i.e. for the duration of the concession or time for which the aforementioned amortisation rates are applied, whichever is the shorter (assets to which no cost applies). • IFRIC 15 “Agreements for the construction of real estate”: this interpretation provides clarification and guidance on the recognition over time of revenues deriving from the construction of real estate, and with regard to the possibility that construction agreements might be covered by IAS 11 “Construction contracts” or IAS 18 “Revenue”. This interpretation describes accounting practice for the recognition of the revenue and costs of real estate developers and sub-contractors; the agreements which fall within the scope of this interpretation concern the construction of real estate which also includes the provision of other goods or services. • IFRIC 16 “Hedges of a Net Investment in a Foreign Operation" applicable from July 1, 2009;it clarifies the methods of application of IAS 21 and 39 in cases where an entity hedges the exchange risk deriving from its own net investments in foreign operations. • IFRIC 18 “Transfers of assets from customers”: with effect from January 1, 2010, this standard provides an additional guide on how to report items of property, plant, and equipment transferred from customers, clarifying the accounting practices that apply to assets or in some cases to the cash received from customers to connect the customer to a network. • IFRIC 19 “Extinguishing financial liabilities with equity instruments”: issued on November 26, 2009 by the IFRIC Committee, this interpretation became effective from July 1, 2010, although it can be applied ahead of that date. It clarifies and provides guidelines on: 1.. How an entity should evaluate equity instruments issued against the cancellation of a financial liability.. 2.. How differences between the nominal value of financial liabilities that have been extinguished and the initial value of the equity instrument should be recognized and accounted for.. 3.. Whether the issue of equity instruments falls within the definition of “consideration” as defined in IAS 39, section 41.. As regards the first aspect, the interpretation provides for measurement at fair value of the equity instruments issued to cancel a financial debt, unless the value cannot be reliably measured. In this case the equity instrument has to be valued at the fair value of the. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 24.

(26) Consolidated annual report for 2010 Changes in international accounting standards. financial liability that is to be cancelled. In addition, it clarifies that any difference between the nominal value of the cancelled financial liability and the initial value of the equity instruments issued has to be booked to the income statement. • IFRS 2 “Share-based payment”: the amendment, which can be applied ahead of effective date of July 1, 2009, states that the standard concerned does not need to be applied to transactions in which an entity acquires assets following a business combination as defined in IFRS 3 “Business Combinations”, or as a result of a combination of entities or business operations under joint control , i.e. on the transfer of business assets on the institution of a joint venture as defined in IAS 31 “Interests in joint ventures”. • IFRS 3 revised “Business combinations”: introduces changes to the way business combinations are represented, the most significant of which are: a). When control is acquired in stages, the entire shareholding must be measured at its fair value.. b). Transactions carried out with third parties after control has been acquired and if this control is to be maintained, are reported under net equity.. c). Costs incurred for the acquisition must be charged immediately to the Income. 25. Statement. d). Changes to contingent considerations are reported in the Income Statement;. e). The option of reporting any third party interests at fair value acquired in a partial acquisition (“full goodwill” standard).. • IAS 27 revised “Consolidated and Separate Financial Statements”: states how equity investments which could increase or decrease a shareholding should be valued. When a shareholding changes without altering control, the effects should be reported as net equity whereas if control is lost, the remaining shareholding should be reported at fair value. is applicable from January 1, 2010 without prospective effect, clarifies that IFRS 5 and other IFRS that make specific reference to non-current assets (or groups of assets) classified as held for sale or as discontinued operations must make provision for all disclosures required for such assets or operations. • IFRS 8 “Operating segments”: this amendment, applicable from January 1 requires companies to provide the value of total assets for each segment if this value is reported periodically to the highest operational decision-making level. Previously, this information had to be disclosed even without this condition. • IAS 1 “Presentation of financial statements”: from January 1, 2010 companies may present a liability as “current” when: (i) It is expected to be settled within the entity's normal operating cycle. (ii) It is held primarily for trading.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. • IFRS 5 “Non-current assets held for sale and discontinued assets”: this amendment, which.

(27) Consolidated annual report for 2010 Changes in international accounting standards. (iii) It is due within 12 months after year end. (iv) The entity does not have an unconditional right to defer payment 12 months after year-end. Liabilities which do not meet these conditions must be presented as “non current”. • IAS 7 “Statement of cash flows”: this amendment, to be applied from January 1, 2010, only allows cash flows that result in the recognition of an asset in the balance sheet to be classified in the cash flow statement as deriving from investment activities, whereas cash flows that do not result in the recognition of an asset (as in the case of promotional, advertising or staff training expenditure) must be classified as deriving from operating activities. • IAS 17 “Leasing”: this standard states that when measuring a lease contract that includes both land and buildings, this amendment specifies that the part relating to land with an indefinite useful life should be treated as a finance lease since, for the duration of the contract, the significant risks and benefits associated with its use are effectively transferred to the lessee, even if there is no formal title to that effect. Applicable from January 1, 2010, on the date of adoption, all land included in outstanding and ongoing lease contracts will have to be measured separately, which could potentially involve the retrospective recognition of a new finance leases for land. • IAS 32 “Accounting for rights issues: approved on December 23, 2009 and applicable from February 1, 2010, allows options rights(or warrants) to be classified as equity in the issuing body's financial statements when issued to increase share capital at a fixed price for all shareholders in a different exercise currency from the issuing body. The current accounting practice laid down in IAS 32 established that these instruments had to be presented as liabilities for derivative instruments. • IAS 36 “Impairment of assets”: this amendment, effective from January 1, 2010, requires that each operating unit or group of operating units to which goodwill is allocated for impairment testing purposes should not be larger than an operating segment, as defined in paragraph 5 of IFRS 8, prior to the aggregation permitted by paragraph 12 of that IFRS on the basis of similar economic characteristics or other elements that make them similar. • IAS 38 “Intangible Assets”: the amendment to IFRS 3 states that there is sufficient information to measure the fair value of an intangible asset acquired during the course of a business combination if it is separable or originated by contractual or legal rights. As a result, IAS 38 has been amended to reflect this change in IFRS 3. The fair value of intangible fixed assets for which there is no active market of reference are clarified; in particular, these techniques include as alternatives: estimating the present value of the net cash flows generated by the asset, estimating the costs that the enterprise has avoided by owning the asset rather than having to use it under licence from a third party, or the costs that would be needed to recreate or replace it (the so-called “cost method”). This amendment is. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 26.

(28) Consolidated annual report for 2010 Changes in international accounting standards. applicable prospectively from January 1, 2010. • IAS 39 “Financial instruments: recognition and measurement”: this amendment restricts the non-applicability exception contained in paragraph 2g of IAS 39 to forward contracts between a buyer and a selling shareholder for the purposes of selling an enterprise transferred as part of a business combination at a future acquisition date, if completion of the business combination does not depend on further action by one of the two parties, but only on the passing of a suitable period of time. The amendment clarifies that IAS 39 applies to option contracts (whether or not they are currently exercisable) when one of the two parties can control whether or not future events take place and exercise of the option would lead to control over the enterprise. The amendment also states that the implicit penalties for early extinction of loans, the price of which compensates the lender for the loss of future interest, have to be considered strictly correlated to the loan contract that envisages them, which means that they should not be accounted for separately. Lastly, the amendment establishes that the gains or losses on a hedged financial instrument have to be reclassified from equity to .the income statement during the period in which the expected cash flow that was hedged has an impact on the income statement. This amendment is applicable prospectively from January 1, 2010.. 27. Accounting standards, amendments and interpretations already approved by the European Union but not adopted in this reporting period and applicable after December 31, 2010. In future reporting periods the following principles and interpretations already approved by the European Union and published in the official EU gazette will be applied: from July 1, 2010, establishes the scope of exemptions for the disclosure of financial instruments as laid down in IFRS 7 “Financial Instruments: disclosures”. In accordance with IFRS 7, additional disclosure is not required for fair value presentation and liquidity risk of each category of financial instrument during the first-time adoption of International Financial Reporting Standards. Earlier adoption of this amendment is permitted. • IAS 24 Revised "Related Party Disclosures": approved on July 19, 2010 and applicable from January 1, 2011, modifies the definition of related party and extends the minimum disclosure requirements. • IFRIC 14 “The Limit on a Defined Benefit Asset, Minimum Funding Requirements”: on November 15, 2009 the International Financial Reporting Interpretations Committee (IFRIC) published amendments to IFRIC 14, the aim of which was to eliminate an. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. • IFRS 1 “First-time adoption of International Financial Reporting Standards”: applicable.

(29) Consolidated annual report for 2010 Changes in international accounting standards. undesirable consequence arising when an entity subject to minimum funding requirements paid contributions in advance; in this case, the entity making the payment would have been obliged to report an expense. If a defined benefit plan is subject to minimum funding requirement, the revision to IFRIC 14 requires that this advance payment is handled as an asset just like any other advance payment. The significantly revised IFRIC 14 is effective from January 1, 2011.. Accounting standards, amendments and interpretations not already approved by the European Union. The following principles and interpretations have not been applied as the relevant EU authorities have not yet concluded the associated approval process. On May 6, 2010, IASB made a series of amendments to IFRS (“improvements”); the ones involving a change in the presentation, recognition and measurement of financial statement items are listed below. Those that only entail terminology or editorial changes with minimal effects in accounting terms, or which affect standards or interpretations that are not applicable to the A2A Group, are not discussed in this report. • IFRS 1 “First-time adoption of International Financial Reporting Standards”: the amendment is applicable from 1 January 2011 and clarifies that whenever an entity changes its accounting practice or exercises exemptions under IFRS 1 following the publication of interim financial statements in accordance with IAS 34 before the publication of the first full financial statements, i.e. prepared in accordance with International Financial Reporting Standards, it must provide justifiable grounds for these changes and update the reconciliation from the previous accounting standards applied to the IFRS. The requirements of IAS8 “Accounting policies, changes in accounting estimates and errors” do not apply in the afore-mentioned circumstances. Earlier adoption of this amendment is permitted. • IFRS 3 “Business combinations”: with the prospective introduction of this revision from July 1, 2010, non-controlling interests can either be reported at fair value or at the proportionate share of net assets of the acquiree on the acquisition date only when the holder is entitled to claim some of the net assets in the event of liquidation. All other noncontrolling interests must be reported at the fair value on the date of acquisition, unless other assessment criteria apply under other IFRS. This revision also clarifies that the requirement to measure shareholdings or shares in the acquirer replacing share-based payments in the acquired company in accordance with IFRS2 on the date of acquisition (market based measure) also applies to share-based payments in the acquired company that are not replaced.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 28.

(30) Consolidated annual report for 2010 Changes in international accounting standards. • IFRS 7 “Financial instruments: disclosures”: effective from January 1, 2011, this revision draws attention to the interaction between quantitative disclosures and other qualitative ones required by the standard to provide information about the nature and extent of risks arising from financial instruments. This approach should help all those using the financial statements to understand the information presented and build a general picture of the nature and extent of risks arising from financial instruments. Finally, the requirement to provide information on financial assets that have expired but which have been renegotiated or written-down, and the on fair value of the underlying collateral has been eliminated. In October 2010, another revision to the afore-mentioned standard was introduced, concerning the transfer of financial assets. This amendment allows all those using the financial statements to gain a better insight into transactions involving the sale of financial assets (such as securitization for example ), as well the potential effect of risks which the entity that sold the asset may still be exposed to. Under this revision, additional information must be provided on any substantial transfers of assets carried out at year end. • IAS 1 “Presentation of Financial Statements”: the amendment applies from January 1, 2011 and establishes that an entity may present the detailed analysis of the overall income. 29. statement either in the statement of changes to net equity or in the explanatory notes to the financial statements. Earlier adoption of this amendment is permitted. • IAS 27 “Consolidated and separate financial statements”: applicable from July 1, 2010 clarifies that the application of amendments made to IAS 21, IAS 28 and IAS 31 must be applied from the effective date with the exception of paragraph 35 of IAS 28 and paragraph 41 of IAS 31, which can be applied earlier. • IAS 34 “Interim financial reporting”: with effect from January 1, 2011, this revision requires that explanatory notes describing significant events in interim financial statements must emphasis in particular on financial instruments and their fair value.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. describe any changes to the significant events reported in the last annual report, with.

(31) Consolidated annual report for 2010. Scope of consolidation. The annual report of the A2A Group at December 31, 2010 includes the figures of the parent company A2A S.p.A. and those of its subsidiaries in which A2A S.p.A., directly or indirectly, holds a majority of the voting rights that can be exercised at ordinary shareholders' meetings. Also consolidated, according to the equity method, are those companies in which the parent company has joint control with other shareholders (joint ventures) and those over which it exercises a considerable influence (associates). 30. Changes in the scope of consolidation This consolidated annual report presents the line-by-line consolidation of the income statement and balance sheet figures at December 31, 2010 of EPCG, a Montenegro-based company acquired in 2009 and accounting for 56.3% of net profit and third party equity. Your attention is drawn to the fact that this company was also included in the scope of consolidation of A2A S.p.A during the last reporting period although the equity method was applied at that time. In the reporting period ended December 31, 2010, it was considered a controlling interest in the company and the power to determine financial and operational policies of the latter. As a result of the 100% sale of Itradeplace S.p.A., at December 31, 2009 this company appears under the heading “Non current assets held for sale” and no longer part of the scope of consolidation. As a result of the 100% sale of Retrasm S.r.l., at June 30, 2010 this company appears under the heading “Non current assets held for sale” and no longer part of the scope of consolidation. The shareholding in Metroweb S.p.A., previously reported using the equity method, has been reclassified to “Non-current assets held for sale” following the management's decision to arrange for it to be sold.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. subsidiary and therefore consolidated line-by-line insomuch as the parent A2A S.p.A holds the.

(32) Consolidated annual report for 2010 Scope of consolidation. The shareholding in Bas S.I.I. S.p.A., previously consolidated line-by-line, was reclassified to “Non-current assets held for sale” as it is due to be disposed of.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 31.

(33) Consolidated annual report for 2010. Consolidation policies and procedures. Consolidation policies Subsidiaries The scope of consolidation of the A2A Group comprises the parent company A2A S.p.A. and the companies over which it exercises direct or indirect control. Subsidiaries are consolidated from the date on which the Group effectively acquires control and are deconsolidated from the date on which control is transferred to a company outside of the Group. 32. Associates and Joint Ventures Shareholdings in associates, in other words those in which the A2A Group has a significant interest and is able to exercise a considerable influence, and those over which A2A has joint control together with other shareholders (joint venture), are valued according to the equity method. Gains and losses pertaining to the Group are recognised in the annual report from the date on which the significant influence or joint control commenced.. the book value is cancelled and any excess loss is provided for to the extent that the Group has legal or implicit obligations towards the associate to cover its losses or, in any case, to make payments on its behalf.. Potential voting rights If the A2A Group holds call options to buy shares or other instruments representing capital that are convertible into ordinary shares, or other instruments that have the potential, if exercised or converted, to give the Group voting rights or reduce the voting rights of third parties (“potential voting rights”), such potential voting rights have to be taken into. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. In the event that the loss pertaining to the Group exceeds the book value of the shareholding,.

(34) Consolidated annual report for 2010 Consolidation policies and procedures. consideration when assessing whether or not the Group has the power to govern or influence the other company's financial and operating policies.. Consolidation procedures General Procedure The financial statements of the subsidiaries, associates and joint ventures consolidated by the A2A Group are prepared at the end of each reporting period using the same accounting policies as the parent company. Any items valued on alternative bases are adjusted during the consolidation process to bring them into line with Group accounting policies. All intercompany balances and transactions, including any unrealised profits deriving from transactions between Group companies, are eliminated completely. Unrealised gains and losses deriving from transactions with associates and joint ventures are eliminated in proportion to the Group’s equity interest. Unrealised losses are eliminated, unless they represent a loss in the value of assets that have been sold.. 33. In preparing the annual report, the assets, liabilities, costs and revenues of the companies being consolidated are included in their entirety on a line-by-line basis, showing the portion of equity and net income for the period pertaining to minority interests separately in the balance sheet and income statement. The book value of the shareholding in each of the subsidiaries is eliminated against the corresponding share of each subsidiary's net equity, including any adjustments to fair value at the date of acquisition; any differences arising are handled in accordance with IFRS 3. For Information” in this annual report. Transactions with minority shareholders which do not entail the loss of control in consolidated companies are treated according to the so-called “economic entity view”.. Consolidation procedure of assets and liabilities available for sale (IFRS 5) Only in the case of particularly large figures and exclusively in connection with non-current assets and liabilities available for sale, in accordance with the requirements of IFRS 5, the related intercompany financial receivables and payables are not eliminated, so as to show clearly the financial impact in the event of their disposal.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. information on the application of IFRS3, you are referred to the section entitled “Other.

(35) Consolidated annual report for 2010 Consolidation policies and procedures. Effects on consolidation procedures of certain contracts concerning shares/quotas of Group companies a) Option contracts between A2A S.p.A. and Società Elettrica Altoatesina SEL S.p.A. for part of their shareholding in Delmi S.p.A. A2A S.p.A. has signed option contracts with Società Elettrica Altoatesina SEL S.p.A. (SEL) in relation to part of the shares in Delmi S.p.A. that it holds. Under these option contracts between A2A and SEL, the latter has the right to sell to A2A and A2A has the right to purchase from SEL two lots of Delmi shares, representing 50% and 35% respectively of SEL’s shareholding in Delmi (currently 10% of Delmi S.p.A. share capital). The strike price of these options will be calculated for each lot based on various formulas that take into account SEL’s initial investment and/or the value of Edison's shares at the time the options are exercised, depending in the case of SEL's put options, among other things, on whether SEL - at the time of exercising the option - has or has not become the owner of some of Edison's hydroelectric power plants located in the Province of Bolzano. If exercised, SEL S.p.A. put options and A2A S.p.A. call options on SEL S.p.A., can be implemented in stages. A2A S.p.A and SEL S.p.A. renegotiated the expiry dates of these options, postponing them beyond the initial deadline. In part, this deferral was due to the fact that the parties could not agree on whether the conditions for the exercise of one of SEL’s put options had been satisfied or not. As a result, the options are still outstanding and the new expiry date is not after 2015. In line with paragraph 23 of IAS 32, the Group has booked to liabilities the present value of the estimated outlay. Changes in the present value of this liability caused by the passing of time are considered as financial expenses and booked to income. There is still some uncertainty in international accounting standards as to how to treat the difference between the present value of the strike price of the put options and the book value of the minority interests. In the absence of an interpretation of this question by the IFRIC, the Group has decided to show the difference as a reduction of equity pertaining to the Group (if positive) or as an increase in equity pertaining to the Group (if negative) as an alternative to adjusting goodwill. This is in line with previous decisions taken by the Group. Accordingly, any changes in the liability that do not depend on time result in adjustments to Group equity.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 34.

(36) Consolidated annual report for 2010 Consolidation policies and procedures. If the options expire without them being exercised, the liability will be reclassified to equity, reinstating the minority interests. The consolidated financial statements at December 31, 2010 shows a liability to third parties for the possible exercise of the put options on the shares of Delmi S.p.A. of 93 million euro (113 million euro at December 31, 2009), a reduction in minority interests of 157 million euro (unchanged with respect to December 31, 2009), a positive change in equity pertaining to the Group of 92 million euro (67 million euro at December 31, 2009) and a financial charge of 5 million euro (4.9 million euro at December 31, 2009). The share of Delmi’s result remains 51% as the above options do not currently give A2A access to the economic benefits associated with the shares under option. b) Call/put options on the shares held by certain minority shareholders of Abruzzoenergia S.p.A. On July 1, 2010, A2A S.p.A. exercised a call option on 5.00% of the share capital of Abruzzoenergia S.p.A. held by minority interest shareholders, as described in “Significant. 35. events during the year.” c) Call option on the purchase of 1% of the share capital of ASM Novara S.p.A. A2A S.p.A. owns 50% of the shares of ASM Novara S.p.A., a company with share capital of one million euro set up with other shareholders in order to build and manage a district heating network in Novara. As a result of the shareholder agreement between the shareholders of ASM Novara S.p.A., A2A shareholders, who hold the remaining 50%, have a put option to sell 1% of the share capital to A2A S.p.A. Exercising one of these options would give A2A S.p.A. control over ASM Novara S.p.A. Any of the parties can exercise their options within three years of satisfaction of certain conditions relating to the construction of the district heating network in Novara: by December 31 these conditions had still not been fulfilled. IAS 27, paragraph 14, establishes that when assessing whether an entity has the power to govern the financial and operating policies of another entity, it has to take account of the “potential voting rights” that would derive from exercising the options, providing they are currently exercisable. Such potential voting rights should then be added to the existing voting. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. S.p.A. has a call option to buy 1% of the share capital of ASM Novara S.p.A. Similarly the other.

(37) Consolidated annual report for 2010 Consolidation policies and procedures. rights in order to calculate the total interest held in the share capital, which in turn establishes the method of consolidation to be applied to the affiliate concerned. Potential voting rights that are not currently exercisable are understood as being, for example, those that cannot be exercised until a future date or until some future event takes place. Hence, the potential voting right that A2A S.p.A. holds in ASM Novara S.p.A., as explained above, is not currently exercisable, so the shareholding in ASM Novara S.p.A. is consolidated according to the equity method. When the option rights are exercised, an assessment will have to be made as to whether ASM Novara S.p.A. is controlled by A2A S.p.A. in order to decide on the consolidation method to be used. d) Option granted to the Municipality of Varese for the sale of 10% of Aspem S.p.A. and 9.8% of Varese Risorse S.p.A. A2A S.p.A. holds 90% of the shares of Aspem S.p.A., a company that provides local public services in the city of Varese and in other towns in the province of Varese. Under the shareholder agreement between A2A S.p.A. and the Municipality of Varese, the latter has the right, but not the obligation, to sell (put option) to A2A S.p.A. 9.8% of Aspem S.p.A. and 10% of Varese Risorse S.p.A. (held 90% by Aspem S.p.A.). The two shareholdings have to be bought together within the same context. The Municipality of Varese can exercise its option after the expiry date of the period of nontransferability of the shares in Aspem S.p.A. and Varese Risorse S.p.A., which lasts for three years from the date of signing the shareholder agreement: at December 31, 2010, this period was still ongoing. These transactions have been valued according to the purchase value for Aspem S.p.A. and according to the enterprise value for Varese Risorse S.p.A. In line with paragraph 23 of IAS 32, the Group has booked to liabilities the present value of the estimated outlay which it will not be able to avoid if it exercises this option. The Annual Report at December 31, 2010 shows a liability to the Municipality of Varese, for the possible exercise of the put option on the shares of Aspem S.p.A. and Varese Risorse S.p.A., of 4 million euro, with a corresponding reduction in the equity pertaining to minority interests.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 36.

(38) Consolidated annual report for 2010 Consolidation policies and procedures. Key figures at December 31, 2010 and 2009 for joint ventures (consolidated at equity) Summary Figures at December 31, 2010 Millions of euro. Edipower 20%. TransalEcodeco pina Group di Energia companies 50% 50% (*). Metamer 50%. INCOME STATEMENT Revenues from the sale of goods Gross operating income % of net sales. 207.8. 5,541.5. 12.8. 11.0. 81.6. 683.5. 2.0. 0.3. 39.3%. 12.3%. 15.6%. 2.7%. Depreciation, amortization and write-downs. 55.6. 903.0. 1.2. 0.1. Net operating income. 26.0. (219.5). 0.8. 0.2. Result for the year. 10.9. (244.5). 0.2. 0.2. 12.7. 7.0. Balance sheet Total assets. 803.8. 8,364.0. Shareholders’ equity. 421.1. 1,761.0. 1.4. 1.3. Net debt. 221.7. 2,479.5. (2.6). (3.4). (*) Bellisolina S.r.l., Bergamo Pulita S.r.l., Biotecnica S.r.l and Sed S.r.l... 37 Summary Figures at December 31, 2009 Millions of euro. Edipower 20%. TransalEcodeco pina Group di Energia companies 50% 50% (*). Metamer 50%. Revenues from the sale of goods Gross operating income % of net sales. 227. 4,434. 13. 14. 91. 734. 2. 0.5. 40.1%. 16.6%. 15.4%. 3.6%. Depreciation, amortization and write-downs. 55. 417. 1. –. Net operating income. 36. 318. 1. 0.5. Result for the year. 11. 41. 1. 0.3. 835. 8,668. 13. 8.5. Balance sheet Total assets Shareholders’ equity. 414. 2,032. 1. 1.5. Net debt. 254. 2,566. (5). (4). (*) Bellisolina S.r.l., Bergamo Pulita S.r.l., Biotecnica S.r.l and Sed S.r.l... WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. INCOME STATEMENT.

(39) Consolidated annual report for 2010. Accounting Policies. Translation of foreign currency items The consolidated financial report of the A2A Group is expressed in euro, which is also the currency of the economies in which the Group operates. Transactions in currencies other than the euro are initially booked at the exchange rate applicable on the day of the transaction. Monetary assets and liabilities denominated in foreign currency are translated into euro at the exchange rate ruling on the balance sheet date. Non-monetary items valued at historical cost in foreign currency are translated at the exchange rate ruling on the date when the transaction was first recorded. Non-monetary items shown at fair value are translated at the exchange rate ruling on the valuation date.. Tangible assets Industrial buildings are booked under tangible assets, whereas non-industrial buildings are classified as investment property. These are booked at historical cost, including any additional charges directly attributable to the asset and needed to bring it into service (e.g. transport, customs duty, location preparation expenses, installation and testing costs, notary and land registry office fees and any non-deductible VAT), increased by the present value of the estimated cost of restoring the location from an environmental point of view or dismantling the plant. Financial expenses, where directly attributable to the purchase or construction of the asset, are capitalised as part of the asset cost if the type of asset so warrants. If important components of tangible assets have different useful lives, they are accounted for separately according to the “component approach”, giving each of them its own useful life for the purpose of calculating depreciation (the Component Approach). All plots of land, whether occupied by residential or industrial buildings or devoid of construction, are not depreciated as they have an unlimited useful life, except for land used in production activities that is subject to deterioration over time (e.g. landfills, quarries).. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 38.

(40) Consolidated annual report for 2010 Accounting Policies. Ordinary maintenance costs are wholly expensed to the income statement in the year they are incurred. Maintenance costs which add to the value of an asset are attributed to it for accounting purposes and depreciation charged in relation to the remaining useful life of the asset. Assets held under finance leases, or by way of agreements which may not explicitly resemble a finance lease but otherwise substantially transfer all risks and benefits of ownership to A2A, are recognised as A2A assets at either the fair value or the present value of outstanding lease instalments, whichever is the lower. The corresponding liability to the lessor is shown in the balance sheet under financial payables. Tangible assets are shown net of accumulated depreciation and any write-downs. Depreciation is calculated from the year in which the individual asset enters service and is charged on a straight-line basis over the estimated useful life of the asset for the business. The estimated realisable value which is deemed to be recoverable at the end of their useful life is not depreciated. The useful life of each asset is reviewed annually and any changes, if needed, are made with a view to showing the correct value of the asset. 39. The depreciation of freely transferable assets is calculated on a straight-line basis over the lower of the residual duration of the concession and the estimated useful life of the assets. Landfills are depreciated on the basis of the percentage filled, which is calculated as the ratio between the volume occupied at the end of the period and the total volume authorised. The main depreciation rates used, which are based on technical and economic considerations, • Buildings. 1.0%-. 17.3%. • Production plants. 1.0% -. 33.3%. • Transport lines. 1.4% - 100.0%. • Transformation stations. 1.8% - 33.3 %. • Distribution networks. 1.4% - 33.3 %. • Miscellaneous equipment. 3.3% - 100.0%. • Mobile phones. 100.0%. • Fittings and furniture. 10.0% -. 25.0%. • Electric and electronic office machines. 10.0% -. 33.3%. • Vehicles. 10.0% - 25.0%. • Leasehold improvements. 12.5% -. 33.3%. Tangible assets are subjected to impairment testing if there are specific signs that they have suffered a loss of value.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. are as follows:.

(41) Consolidated annual report for 2010 Accounting Policies. This test is carried out in accordance with the method explained in the paragraph below on “Impairment of assets”; write-downs can be reversed in subsequent periods if the reasons for them no longer apply. When an asset is sold or future economic benefits are no longer expected from using the asset, it is eliminated from the balance sheet and any gain or loss (i.e. the difference between the disposal value and the carrying value) is booked to the income statement in the year of the elimination.. Intangible assets Intangible assets are identifiable non-monetary assets that cannot be seen, touched or physically measured, which are controlled by the enterprise and able to produce future economic benefits. The fact of being identifiable is to distinguish an intangible asset that has been acquired from goodwill; this requirement is normally met when: (i) The intangible asset is attributable to a legal or contractual right, or (ii) the asset is separable, in other words it can be sold, transferred, rented out or exchanged autonomously or as an integral part of other assets. Control by the enterprise consists of the right to enjoy the future economic benefits deriving from the asset and the possibility of limiting access to it by others. Intangible assets are reported in the financial statements at purchase or production cost, including ancillary charges, determined in the same way as for tangible assets. Intangible fixed assets produced internally are not capitalised but charged to income in the period in which the costs are incurred. Intangible assets with a definite useful life are reported in the financial statements net of the related accelerated amortization and permanent loss in value in the same way as for tangible assets. Changes in the expected useful life or in the ways in which the future economic benefits of an intangible asset are achieved by the Company are accounted for by suitably adjusting the period or method of amortization, treating them as changes in accounting estimates. The amortization applied to intangible fixed assets with a definite useful life is charged to the income statement in the cost category that reflects the function of the intangible asset concerned. Intangible assets are subjected to impairment testing if there are specific signs that they have suffered a loss of value. This test is carried out in accordance with the method explained in the. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 40.

(42) Consolidated annual report for 2010 Accounting Policies. paragraph below on “Impairment of assets”; write-downs can be reversed in subsequent periods if the reasons for them no longer apply. Intangible assets with an indefinite useful life and those that are not yet available for use are subjected to impairment testing on an annual basis, whether or not there are specific signs that they have suffered a loss of value, using the methods explained below in the paragraph entitled “Impairment of assets”. Write-downs of goodwill cannot subsequently be written back. Gains or losses on disposal of an intangible asset are calculated as the difference between the disposal value and the carrying value of the asset and are booked to the income statement at the time of the disposal. The following amortization rates are applied to intangible assets with a definite useful life: • Industrial patents and intellectual property rights. 12.5%-. 33.3%. • Concessions, licences and trademarks. 6.7 % -. 33.3%. • Improvements to third party assets. 12.5 % -. 33.3% 41. Impairment of tangible assets and intangible assets Tangible and intangible assets are subjected to impairment testing if there are specific signs that they have suffered a loss of value. Goodwill, other intangible assets with an indefinite useful life or assets not available for use are tested for impairment every year, or more frequently if there are signs that the assets may have suffered a loss in value.. book value. The recoverable amount of an asset is the higher of its fair value, net of selling costs, and its value in use. To determine an asset’s value in use, a company calculates the present value of the estimated future cash flows, before tax, based on management business plans and applying a pre-tax discount rate, which reflects current market valuations of the time value of money and the specific risks associated with the asset. If the recoverable amount of an asset is lower than the book value, a loss is booked to the income statement. If a loss has been reported for an asset, other than goodwill, is subsequently eliminated or reduced, the book value of the asset or of the CGU is raised up to the new estimate of recoverable value, but without it exceeding the value that the asset would have had without any impairment loss. Write backs of impairment losses are booked immediately to the income statement.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. Impairment testing consists of comparing the recoverable amount of the asset with its net.

(43) Consolidated annual report for 2010 Accounting Policies. When it is not possible to estimate the recoverable value of an individual asset, the Company estimates the recoverable value of the cash generating unit (CGU) or group of CGUs to which the asset belongs or to which it can reasonably be allocated. The CGUs have been identified according to the organisational and business structure, as homogeneous aggregations that generate independent cash flows deriving from the continuous use of the assets attributed to them.. Emission quotas and green certificates Different accounting policies are applied to quotas or certificates held for own use in the “Industrial Portfolio”, and those held for trading purposes in the “Trading Portfolio”. Surplus quotas or certificates held for own use which are in excess of the company's requirement in relation to the obligations accruing at the end of the year are booked to other intangible assets at cost. Quotas or certificates assigned free of charge on the other hand, are booked at a zero value. Given that they are assets for instant use, they are not amortised but subjected to an impairment test. The recoverable amount is the higher of its value in use and its market value. If, on the other hand, there is a deficit because the requirement exceeds the quotas or certificates in portfolio at the balance sheet date, provision is made in the financial statements for the charge needed to meet the residual obligation; this is estimated on the basis of any purchase contracts, spot or forward, already signed at the balance sheet date; otherwise, on the basis of market prices. Quotas or certificates held for trading in the “Trading Portfolio” are booked to inventories and measured at the lower of purchase cost and estimated realisable value based on market trends. Quotas or certificates assigned free of charge on the other hand, are booked at a zero value. Market value is established on the basis of any sales contracts, spot or forward, already signed at the balance sheet date; otherwise, on the basis of market prices.. Shareholdings in subsidiaries, associates and joint ventures Subsidiaries are companies in which the parent company alone has the power to determine the strategic decisions of the business in order to obtain the associated benefits. Generally, this control is presumed to exist when a company holds either directly or indirectly more than half of exercisable voting rights at the general shareholders' meeting, also considering the so-called potential voting rights, i.e. voting rights deriving from convertible financial instruments.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 42.

(44) Consolidated annual report for 2010 Accounting Policies. Associates are companies in which the parent has a significant influence on strategic decisions, albeit without overall control, also considering so-called potential voting rights, i.e. voting rights deriving from convertible financial instruments; a significant influence is presumed when A2A S.p.A. holds, either directly or indirectly, more than 20% of exercisable voting rights at the general shareholders’ assembly. A joint venture is a contractual agreement whereby two or more parties undertake an incomegenerating activity subject to joint control. Shareholdings in subsidiaries, associates and joint ventures are reported in the separate financial statements at their relative purchase cost, reduced by the amount of any distributed capital or capital reserves, i.e. in the event of impairment. If the portion pertaining to the company of any losses reported by the associate exceeds the book value of the shareholding, the value of the holding is eliminated and any further losses are presented as a provision under liabilities in the event the company is required to cover them. The cost is reversed in subsequent years if the grounds for the original write-down no longer. 43. exist.. Long-term construction contracts in progress Long-term construction contracts currently in progress are valued on the basis of the contractual fees that have accrued with reasonable certainty, according to the stage of completion (or “cost to cost”) method, so as to allocate the revenues and net result of the on the project. Any difference, positive or negative, between the value of the contracts and the advances received is booked respectively to the asset or liability side of the balance sheet. In addition to the contractual fees, contract revenues include any variants, price revisions and incentive awards to the extent that probably represent actual revenues that can determined with a reasonable degree of reliability. Ascertained losses are recognised independently of the stage of completion of the contracts.. Inventories Inventories of materials and fuel are valued at the lower of weighted average cost and market value at the period-end. Weighted average cost is determined for the period of reference and. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. contract to the individual periods to which they belong, in proportion to the progress being made.

(45) Consolidated annual report for 2010 Accounting Policies. for each inventory code. Weighted average cost includes any additional costs (such as sea freight, customers charges, insurance, lay or demurrage days in the purchase of fuel). Inventories are constantly monitored and, whenever necessary, technologically obsolete stocks are written down with a charge to the income statement.. Financial instruments Financial assets and liabilities are accounted for as laid down in IAS 39 – “Financial instruments: recognition and measurement”. Financial instruments include trading investments and investments that are available for sale and non-current receivables and loans, trade and other receivables deriving from operations and other current financial assets such as cash and cash equivalents. They do not include investments in subsidiaries, joint ventures and associates. The latter include bank deposits, readily negotiable securities used as temporary investments of surplus cash and financial receivables due within three months. Financial instruments also include financial payables (bank loans and bonds), trade payables, other payables and other financial liabilities and derivatives. Financial assets and liabilities are recognised at the time that the contractual rights and obligations foreseen by the instrument arise. Initially, all financial assets are recognised at fair value, including ancillary charges (purchase/issue costs) in the case of assets and liabilities not measured at fair value through profit and loss. Measurement subsequent to initial recognition depends on the classification of the instrument to one of the following categories: • Non-derivative financial assets and liabilities at fair value through profit and loss include: –. Financial assets and liabilities held for trading (HFT), i.e. with the intention of repurchasing or reselling them in the short term.. –. Financial liabilities which on initial recognition have been designated as being at fair value through profit and loss.. • Other non-derivative financial assets and liabilities, including: –. Loans and receivables (L&R).. –. Investments held to maturity (HTM).. –. Financial liabilities valued at amortized cost.. • Available-for-sale financial assets (AFS). • Derivatives.. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. 44.

(46) Consolidated annual report for 2010 Accounting Policies. The following is a detailed explanation of the accounting policies applied in measuring each of the above categories after initial recognition: • Non-derivative financial assets and liabilities at fair value through profit and loss are measured at fair value with any changes being booked to the income statement. • Other non-derivative financial assets and liabilities with fixed or determinable payments other than investments are valued at amortised cost. Any transaction costs incurred during the acquisition or sale are adjusted directly on the nominal value of the asset or liability (e.g. issue premium or discount, loan acquisition costs, etc.). Financial income and charges are then remeasured on the basis of the effective interest rate method. Financial assets are assessed regularly to see if there are any signs that they have suffered impairment. In the assessment of receivables in particular, account is taken of the solvency of the creditors, as well as the characteristics of credit risk, which is indicative of the individual payment capacity of the individual debtors. Any impairment losses are booked as a cost to the income statement. This category includes the investments held with the intent and the capacity for them to be held to maturity, non-current loans and receivables, trade receivables and other receivables originated by the assets of the business, financial payables, trade payables, other payables and. 45. other financial liabilities. • Assets available for sale are non-derivative financial assets that are not classed as financial assets at fair value through profit and loss or other financial assets; they are therefore a residual category. They are reported at their current value (fair value) and any associated gains/losses are charged directly to net equity until they are written-down or the actual value realized, at which times they are booked to the income statement. Losses booked directly to equity are in any case reversed and booked to the income statement, even if the financial asset has not been eliminated, if there is objective evidence that the asset has measured, on the other hand, are valued at cost less any impairment losses. Their value is restated in future years if the reasons for the write-down no longer apply, except for writedowns of equity instruments. This category essentially includes the other investments (i.e. not subsidiaries, joint ventures or associates), except for those held for trading (trading investments). • Derivative instruments including embedded derivatives separate from the main agreement are measured at fair value and any changes booked to the income statement in the event they are not eligible to be classed as hedge instruments. Derivatives are classified as hedges when the relationship between the derivative and the item being hedged is formally documented and the effectiveness of the hedge is high, this being checked periodically. When hedge derivatives cover the risk of fluctuation in the fair value of hedged items (fair value hedge), the derivatives are reported at their fair value and the. WorldReginfo - af04bbac-bc4a-4189-bacb-bf7e7283d9b9. suffered impairment. Unlisted investments with a fair value that cannot be reliably.