- CEMAR's billed energy volume increased 4.6% in 2Q11 compared to 2Q10. Energy losses decreased by 0.8 percentage points and outage indices DEC and FEC improved by 14.9% and 23.0%, respectively. - Net operating revenues grew 7.7% to R$467.3 million in 2Q11, reflecting an 8.0% increase by CEMAR. Adjusted EBITDA declined 17.0% to R$120.3 million and adjusted net income decreased 22.4% to R$44.7 million. - Equatorial's consolidated investments totaled R$110.7 million in 2Q11, up 14.

1. OPERATING AND FINANCIAL RESULTS 2Q11

3. Highlights

4. Operating Results

5. Financial Results

6. SOL Energias – energy trading2

8. Highlights

9. Operating Results

10. Financial Results

12. The operating information presented herein consolidates 100% of CEMAR’s results and 25% of Geramar’s results.

14. Highlights

15. Operating Results

16. Financial Results

18. CEMAR’s last-12-month energy losses totaled 21.4% of required energy in 2Q11, 0.8 p.p. less than the 2Q10 ratio.

20. 2Q11 adjusted EBITDA came to R$120.3 million, 17.0% lower than the amount reported in 2Q10.

21. Adjusted Net income totaled R$44.7 million in the quarter, 22.4% down on the adjusted amount reported in the same period last year.

22. Equatorial’s consolidated investments amounted to R$110.7 million in 2Q11, 14.8% up year-on-year. In CEMAR (excluding direct investments in the Light For All Program), total capex amounted to R$63.8 million, 47.1% growth. Light For All Program investments totaled R$46.8 million.

23. As announced in our Earnings Release, Ernst & Young was hired as our new independent auditors.

25. Highlights

26. Operating Results

27. Financial Results

29. 10 Distribution – Energy Losses in CEMAR

32. Highlights

33. Operating Results

34. Financial Results

39. Highlights

40. Operating Results

41. Financial Results

42. SOL Energias – energy trading18

44. The amount invested will be used in the energy trading working capital.Executives 49% 51% 19

46. Paulo Cezar Tavares (former CPFL’s vice-president of Energy Management).

47. Roberto Wainstok (former CPFL Brasil’s Executive Officer of Energy Purchase and Sales)

48. Antonio Pinhel (former Neoenergia Energy Market and Commercial Manager)

49. Energy Trading Business:

50. Complex regulation and energy pricing

51. Potential market:

52. Free customers (representing between 25% and 30% of the brazilian energy market), with more than 980 consumers;

53. Captive (government auctions);

54. Fragmented market: more than 90 active tradings.

55. Intermediation of energy purchase and sale, without physical delivery;

56. Solutions customizing to supply specific needs from clients (consumers and generators).20

58. Huge experience and credibility of the main executive-partners in the energy trading market.

59. Celerity in the decision and solutions customizing to clients processes, key when operating in a competitive and volatile market.

60. Reputation and financial solidity of Equatorial Energia supporting SOL’s operations.

61. Strong background in risk control at Equatorial and its controlling shareholder.

62. Equatorial’s business diversification into an important and growing segment of the energy sector.

63. Alignment in the long term interests between the partners.

64. Synergy between the trading and potential new generation deals in Equatorial.21

66. Pioneer in this market and main responsible by the development of CPFL Brasil – biggest brazilian trading (aprox. R$200 million in annual net income) and NC Energia (energy trading of the Neoenergia Group);

67. Professional with a huge experience in energy trading, active since 2001;

68. Brief Resumee

69. CPFL Energia: Vice-president of Energy Management (2002-2011)

70. Abraceel: Board member of the Brazilian Energy Trading Association since 2003.

71. NC Energia (former GCS Energia): CEO (2001-2002)

72. Celpe: CEO (1998-2000)

73. Grupo Eletrobras: several22

74. 23 Contacts Eduardo Haiama CFO and IRO Thomas Newlands Investor Relations Telephone 1: +0 55 (21) 3206-6635 Telephone 2: +0 55 (21) 3217-6607 Email: ir@equatorialenergia.com.br Website: http://www.equatorialenergia.com.br/ir

76. Forward-looking statements refer to future events which may or may not occur. Our future financial situation, operating results, market share and competitive positioning may differ substantially from those expressed or suggested by said forward-looking statements. Many factors and values that can establish these results are outside Company’s control or expectation. The reader/investor is advised not to completely rely on the information above.

77. The words “believe", “can", “predict", “estimate", “continue", “anticipate", “intend", “forecast" and similar words, are intended to identify estimates, which refer only to the date on which they were expressed. Hence, the Company has no obligation to update said statements.

78. This presentation does not constitute any offering, invitation or request of subscription offer or purchase of any marketable securities. And, this statement or any other information herein, does not constitute the basis for any contract or commitment of any kind.