REN REDES : Summary of annual information disclosed in 2016

Unofficial Translation

This is an unofficial translation of the press release made below and it has been prepared for

information purposes only. In the case of any discrepancy between this translation and the Portuguese version, the Portuguese version will prevail.

SUMMARY OF ANNUAL INFORMATION DISCLOSED IN 2016

It is hereby disclosed a summary of the information released or made available to the public during the year of 2016, by REN - Redes Energéticas Nacionais, SGPS, S.A. ("REN"), in its capacity as issuer of securities admitted to trading on regulated market.

19/12/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about purchase of stake in Chilean gas pipeline
04/11/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about first nine months 2016 consolidated results report
04/11/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about first nine months 2016 consolidated results
07/10/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about issue of debt instruments
16/09/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about disclosure of quarterly financial information
28/07/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about first half 2016 consolidated results report
28/07/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about first half 2016 consolidated results
16/06/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about facility agreement with the Bank of China
16/06/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about natural gas allowed revenues
31/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about tender offer results
24/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about bond issue and tender offer
16/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about launch announcement
13/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about first quarter 2016 consolidated results report
13/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about first quarter 2016 consolidated results
14/04/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about ERSEs proposal for tariffs and prices for natural gas for the 2016-2017 gas year and parameters for the 2016-2019 regulatory period
13/04/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about resignation of member of the Board of Directors

1- Information disclosed through CMVM and REN Websites Privileged Information

13/04/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about resolutions approved at the General Shareholders meeting
17/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about 2015 consolidated results report
17/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about 2015 consolidated results

Presentation of Annual Accounts

23/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about the accounts reporting documents referring to the financial year ended on 31st December 2015 - Item 1 of the Agenda for the General Shareholders Meeting - corrected version
21/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about the accounts reporting documents referring to the financial year ended on 31st December 2015 - Item 1 of the Agenda for the General Shareholders Meeting

Presentation of Semester Accounts

31/08/2016

REN - Redes Energéticas Nacionais, SGPS, S.A. informs about report and accounts of the first half of 2016

Presentation of Quarterly Accounts

04/11/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about Report and Accounts for the first 9 months of 2016
13/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about report and accounts of the first quarter of 2016

Interest and reimbursement

19/12/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs: REN/2013-EUR 150,000,000 - FLOATING RATE NOTES DUE 2020 - 16th Coupon Interest Payment and 2nd Partial Reimbursement of principal
03/10/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs: REN/2013-EUR 150,000,000 - FLOATING RATE NOTES DUE 2020 - 15th Coupon Interest Payment
26/08/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs: REN/2012-EUR 300,000,000 Fixed Rate 6.25% due 2016 - 8th Coupon Interest Payment and Reimbursement of Principal
04/07/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs: REN/2013-EUR 150,000,000 - FLOATING RATE NOTES DUE 2020 - 14th Coupon Interest Payment
16/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs: REN/2013-EUR 150,000,000 - FLOATING RATE NOTES DUE 2020 - 13th Coupon Interest Payment
22/02/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs: REN/2012-EUR 300,000,000 Fixed Rate 6.25% due 2016 - 7th Coupon Interest Payment

Corporate Governance Report

23/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about the Corporate Governance report included in the 2015 Annual Report - Item 1 of the Agenda for the General Shareholders Meeting - corrected version
21/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about the Corporate Governance report included in the 2015 Annual Report - Item 1 of the Agenda for the General Shareholders Meeting

Dividends Payment

21/04/2016

REN - Redes Energéticas Nacionais, SGPS, S.A. informs about payment of dividends relating to the financial year of 2015

Notice of Meetings

21/03/2016

REN - Redes Energéticas Nacionais, SGPS, S.A. informs about Notice to Convene the Annual General Shareholders Meeting and deliberation proposals

Qualifying Shareholdings and Shareholders Agreements

06/10/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about qualified shareholding
28/07/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about qualified shareholding
06/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about qualified shareholding
07/04/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about qualified shareholding
05/04/2016	EN - Redes Energéticas Nacionais, SGPS, S.A. informs about qualified shareholding

Transaction involving Members of the Management Bodies

14/10/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about Managers transaction over REN shares
11/10/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about transactions over REN shares
22/09/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about transactions over REN shares
29/07/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about transactions of REN notes
09/05/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about transactions over REN shares
07/04/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about transactions over REN shares
17/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about transactions over REN shares

Other

01/04/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about the termination of the temporary suspension of member of the Board of Directors
07/03/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about temporary suspension of member of the Board of Directors
26/02/2016	REN - Redes Energéticas Nacionais, SGPS, S.A. informs about the Home Member State disclosure form

Summary of Annual Information

15/02/2016

REN - Redes Energéticas Nacionais, SGPS, S.A. informs about summary of annual information disclosed in 2015

19-12-2016	REN signs contract for investment in natural gas transportation company in Chile
28-11-2016	REN sets new all-time high in the production of wind power
04-11-2016	REN posts net results of 70.5 million euros in 3rdquarter
31-10-2016	REN A-rated in Environment, Social and Governance
17-09-2016	New all-time high in the production of electricity in natural gas power plants
28-07-2016	REN with Net Profit of 40.5 million euros in the 1stsemester
28-06-2016	REN wins Best Investor Relations in Europe Award
13-05-2016	REN posts 1stquarter net profit of eur 6.1 million
17-03-2016	REN posts net income of 116.1 million euros
19-02-2016	REN absorbs new record level of energy generation
14-01-2016	REN launches APP for Investors and Media

3 - Information disclosed in the official site of the Ministry of Justice

http://publicacoes.mj.pt/

02/11/2016	Issue of bonds through private offer
26/08/2016	Termination of appointment of company secretary
26/08/2016	Appointment of company secretary
22/07/2016	Submission of individual accounts
22/07/2016	Submission of consolidated accounts
24/06/2016	Termination of appointment of members of the corporate body(ies)
23/06/2016	Issue of bonds through private offer
02/06/2016	Issue of bonds through private offer
20/03/2016	Notice (General Shareholders Meeting)
20/01/2016	Termination of appointment of members of the corporate body(ies)

REN - Redes Energéticas Nacionais, SGPS, S.A. Lisbon, January 09th, 2017