**Exhibit 2.6**

 

**CEMIG D — 7****TH**** ISSUE OF PROMISSORY NOTES — SUMMARY**

 

The Seventh issue of Commercial Promissory Notes, in a single series, for public distribution, with restricted placement efforts, in accordance with CVM Instruction 476 of January 16, 2099.

 
| **Issue   Date:**                                                      | April 8, 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
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|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Maturity   date:**                                                   | April 3, 2015                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Total   amount:**                                                    | R$ 1.2 billion                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Restriction:**                                                       | The Notes may be   traded only in regulated securities markets and only after 90 days or more   from the date of their subscription or acquisition by Qualified Investors.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Convertibility:**                                                    | None.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Redemptions   conditions and calculation:**                          | The Notes may be   redeemed 30 or more calendar days after the issue date, at the exclusive   option of the Issuer, for the Nominal Unit Value plus the Remuneration up to   the date of the early redemption, without payment of any premium.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Remuneratory   Interest:**                                           | 105% of the DI   Rate, per annum (there is no monetary updating).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Payment   of the Remuneratory Interest:** On the maturity date. |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Amortization:**                                                      | In a single installment,   on the Maturity Date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Guarantee:**                                                         | Surety guarantee by Companhia Energética de Minas   Gerais — Cemig.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Early   Maturity Events:**                                           | (i)                                decree of bankruptcy, dissolution and/or   liquidation of the Issuer and/or the Guarantor, or application for judicial   recovery or out-of-court reorganization or bankruptcy formulated by the   Issuer and/or by the Guarantor, or any analogous event that characterizes a   state of insolvency of the Issuer and/or the Guarantor, including an   agreement with creditors, in accordance with the applicable legislation;                                                                                                                                                    |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|                                                                   | (ii)                             legitimate and reiterated protest   proceedings on securities against the Issuer and/or the Guarantor, the unpaid   value of which, individually or in aggregate, is more than fifty million   Reais or its equivalent in other currencies, unless the protest proceedings   have been lodged in error or due to bad faith of third parties, provided this   is validly proven by the Issuer and/or the Guarantor, as applicable, or if   cancelled or validly contested in court, in any event within a maximum period   of 30 (thirty) calendar days from the date of the obligation becoming due; |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|                                                                   | (iii)                          early maturity of any pecuniary obligation   of the Issuer and/or of the Guarantor arising from default on an obligation   to pay any individual or aggregate amount greater than R$ 50,000.000.00 or   its equivalent in other currencies;                                                                                                                                                                                                                                                                                                                                                                      |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|                                                                   | (iv)                         change, transfer or assignment, direct or   indirect, of the stockholding control of the Issuer and/or of the Guarantor,   unless this takes place by order of a court, without the prior consent of   holders of Promissory Notes representing at least 75% of the Notes in   circulation;                                                                                                                                                                                                                                                                                                                                  |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|                                                                   | (v)                            absorption of the Issuer and/or of the   Guarantor by another company, or split or merger of the Issuer and/or of the   Guarantor, other than by order of a Court or by regulatory requirement, or,   provided that it does not cause an alteration in the risk rating of the   Issuer and/or the Guarantor on the Issue Date.                                                                                                                                                                                                                                                                              |
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|                                                                   | (vi)                         privatization of the Issuer and/or of the   Guarantor;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |

 

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|                             | (vii)                      termination, for any reason, of any   concession contract held by the Issuer and /or by the Guarantor that   represents an adverse material impact on the Issuer’s and/or the Guarantor’s   payment capacity; or                                                                                                                                        |
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|                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                             | (viii)                   unjustified default by the Issuer and/or by the   Guarantor, or absence of legal and/or court measures required for the   non-payment of any debt or any obligation to pay, under any agreement to   which it is a party as borrower or guarantor, the value of which,   individually or in aggregate, is greater than R$ 50 million or its   equivalent in other currencies. |
|                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| **Conditions   for alteration:** | Any decision by   the Meeting of Debenture Holders requires the approval of holders   representing more than 50% of the Notes in Circulation, subject to the   following specific quorums:                                                                                                                                                                                                                                                                                                            |
|                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                             | (i)                                Any alteration to the rules relating to   Meetings requires the approval of holders representing at least 75% of the   Notes in Circulation, and must be approved by the Issuer.                                                                                                                   |
|                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                             | (ii)                             Any alterations sought by the Issuer   relating to:                                                                                                                                                                                                                                                                      |
|                             | (a) the Remuneration of the Notes;                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|                             | (b) the tenor of the Notes;                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|                             | (c) the Guarantee; and/or                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|                             | (d) early maturity events                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|                             | must be approved, whether at the first or any subsequent convocation of   the meeting of the holders of Notes, by holders representing at least 90% of   the Notes in circulation.                                                                                                                                                                                                                                                                                                                    |
|                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| **Use of   proceeds:**           | The net proceeds   from the issue of the Notes will be allocated to payment of debts, and to   realization of investments in works to expand, renew and improve the   structure of the Issuer’s electricity distribution.                                                                                                                                                                                                                                                                        |

 

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