The document summarizes the company's financial results for the first quarter of 2016. It reported a 6.3% increase in net revenue compared to the first quarter of 2015. EBITDA was R$151.5 million with a margin of 56.2%. Net income increased 13.5% to R$98.2 million compared to the first quarter of 2015. Costs and expenses grew below the rate of inflation for the period.

1. Announcement of Results
1Q16
April 29. 2016

2. 2
Highlights 1Q16
 Increase of 6.3% in Net Revenue compared with 1Q15 reporting R$ 269.5 MM
 Costs and expenses below inflation period
 Ebitda of R$ 151.5 MM and a Margin of 56.2%
 Net Income of R$ 98.2 MM in the period
 Increase of 17.6% in Net Revenue in relation to 1Q15 reporting R$ 237.4 MM
 Costs and expenses below inflation period
 Ebitda of R$ 124.4 MM and a Margin of 52.4%
 Net Income of R$ 66.1 MM in the period
Financial
IFRS
Financial
Regulatory
Regulatório

3. 3
Consolidated Revenue
 Conclusion of upgrading projects
in substations and transmission
lines
 Correction of RAP for inflation
 Inclusion of CAIMI in the RAP
 Monetary restatement for the
period and new investments in
concession assets
(R$ MM)
1.233,1
1.096,3
1.089,3
Growth of
7.4% in Gross Revenue
IFRS
0.1
Compensation Asset
Concession
14.7
Operation and
Maintenance
30.9
Infrastructure
Others
-24.4
Gross Revenue
1Q15
285.7
269.5Net Revenue
+7.4%
Deduction -37.5
Gross Revenue
1Q16
307.0

4. 4
Consolidated Revenue
 Entry into operation of new
investments amounting to R$ 4.2
million
 Correction of RAP for inflation
 Inclusion of CAIMI in the RAP
1.233,1
1.096,3
1.089,3
Growth of 18.4 % in Gross
Revenue
Regulatory
230.0
237.4
42.4
Gross Revenue
1Q15
+18.4%
Deductions -35.0
Net Revenue
1Q16
Gross Revenue
1Q16
Others 0.1
272.4
RAP
(O&M and CAAE*)
* CAAE Remuneration
of Annual Cost of
Electricity Assets
(R$ MM)

5. 5
Evolution in Costs and Expenses
 Collective bargaining agreement
of 8.2%. June/15
 Increase in material and services
due to the outsourcing of
pending contracts in 1Q15 in the
amount of R$ 5.5 MM (non-
recurring)
 Recognition of provisions for
labor contingencies in 1Q15
(outsourced services)
1.233,1
1.096,3
1.089,3
Increase in recurring costs and
expenses below the level of
inflation for the period
IFRS
1Q16 117.4
Contigencies
Sub-Total
Others*
Material
Services
Personnel
1Q15 116.1
2.1
128.4
4.1
6.1
-11.0
(*) Includes depreciation
(R$ MM)

6. 6
Evolution in O&M Consolidated Costs and Expenses
 Collective bargaining agreement
of 8.2%. June/15
 Increase in material and services
due to the outsourcing of
pending contracts in 1Q15 in the
amount of R$ 5.5 MM (non-
recurring)
 Recognition of labor
contingencies in 1Q15 (out-
sourced services)
1.233,1
1.096,3
1.089,3
Regulatory
4.5
4.3
1Q16 129.3
Contigencies
Sub-Total
-11.0
Others*
140.3
Material
Services
3.7
127.71Q15
Personnel
(*) Includes depreciation
(R$ MM)
Increase in recurring costs and
expenses below the level of
inflation for the period

7. 7
Consolidated Financial Result
 Termination of restatment of
accounts receivable by reversal
restated according to IPCA +
5.59 under Law 12.783
 Increase in monetary variation
with the restatement of
provisions for legal
contingencies
1.233,1
1.096,3
1.089,3
Termination of the RBNI receipts
flow
IFRS
-8.1
6.5
Interest
Receivable
1Q15
Monetary (net) -24.0
1.0
Interest and
expenses
Others
-0.5
-25.21Q16
(R$ MM)

8. 8
Equity Income Result
 Increase of gross profit due to
the remuneration of concession
assets of the IEMadeira
subsidiary
 Increase in financial expenses
due to debt at IEMadeira and
IEGaranhuns subsidiaries
 Increase in IT/CSLL expenses at
the IEMadeira subsidiary
 Remuneration of financial asset
at IEGaranhuns
1.233,1
1.096,3
1.089,3
Growth of R$ 2.8 MM
IFRS
1Q15
7.3
1Q16
19.0
+17.3%
-1.1
12.8
6.3
9.6
0.3
16.2
IEGaranhuns IENNE and IESULIEMadeira
(R$ MM)

9. 9
Equity Income Result
 Reduction in the RAP at the
IEMadeira subsidiary due to a
negative adjustment parcel for
the 2015/2016 cycle
 Increase of financial expenses
due to debt at the IEMadeira and
IEGaranhuns subsidiaries
 Entry into commercial operation
of the IEGaranhuns subsidiary at
the end of 2015
1.233,1
1.096,3
1.089,3
Entry into operation of
IEGaranhuns
Regulatory
10.6
1.3
-0.9-0.2
1.6
-79.6%
1Q16
2.1
1Q15
10.3
IENNE/IESULIEGaranhunsIEMadeira
(R$ MM)

10. 10
Net Income
IFRS
Regulatory
▲ Receipt of CAIMI in RAP
▲ Entry into operation of IEGaranhuns at the end of 2015
▼ Financial Revenue: termination of the indemnification receivables flow from RBNI
(R$ MM)
+13.5%
+7.3%
1Q16
66.1
1Q15
61.6
1Q16
98.2
1Q15
86.6
Basic earnings per share in IFRS reached R$ 0.58546 in 1Q16

11. 11
Consolidated EBITDA ICVM 527/12
EBITDA (R$ million)
IFRS REGULATORY
1Q15 1Q16 1Q15 1Q16
Net Income 86.6 98.2 61.6 66.1
Income tax and social contribuition 21.0 25.4 21.5 18.8
Financial Results (6.5) 25.2 (6.5) 25.2
Depreciation and Amortization 10.1 2.8 20.0 14.3
EBITDA ICVM nº 527/12 111.2 151.5 96.6 124.4
EBITDA ICVM Nº 527/12 Margin 43.8% 56.2% 47.9% 52.4

12. 12
Net Debt
▲ Payment of R$ 13 MM of debt servicing on BNDES funds
▼ Termination of the receivables indemnification flow from RBNI
75.3% of the debt is long term
(*) The Company’s financial investments are concentrated in exclusive investment funds. also used as investment vehicles by
subsidiaries and jointly controlled subsidiaries. The investment funds comprise highly liquid units readily convertible into cash
irrespective of the maturity of the assets.. The corresponding value held by subsidiaries jointly is R$ 96.4MM (participation of non-
controlling shareholder).
Debt 1.096,7 1.104,6 0,7%
Short-term Debt 251,9 272,5 8,2%
Long-term Debt 844,8 832,1 -1,5%
Cash CTEEP and 100%* 267,4 313,4 -29,8%
NetDebt 829,3 694,7 6,8%
Cash* 178,8 96,4 -46,1%
NetDebtConsolidated 650,5 694,7 6,8%
Debt
(R$ million)
Δ%1Q162015

13. Order 120 – Ministry of Mines and Energy
13
1. Cost of capital plus monetary restatement (IPCA)
2. Definition of the Cost of Equity (Ke) and WACC which will be applied to the
indemnity amount
3. Tax gross up mechanism
4. Average term of depreciation of assets
5. Recognition in the balance sheet of the effects of the Ordinance
6. Ratification of the indemnification amount – application for reconsideration

14. Investor Relations
Tel: +55 11 3138-7557
ri@cteep.com.br
www.cteep.com.br/ri