Form for Declaration of Participation in the General Meeting Name:_____________________________ Address:___________________________ ___________________________ Tax ID: ____________________________ To the Chairman of the Board of the General Meeting of REN – Redes Energéticas Nacionais, SGPS, SA Av. Estados Unidos da América, no. 55 1749-061 Lisbon ____________, March __, 2012 Subject: General Meeting on March 27th , 2012 ________________________________________________1 , holder of ______ ordinary shares with voting rights of REN – Redes Energéticas Nacionais, SGPS, SA (REN), under the terms of no. 3 of article 23-C of the Portuguese Securities Code, hereby declares his/her/its intention to participate in REN’s General Meeting to be held on March 27th, 2012. Furthermore, under the terms and for the purposes of nos. 3 and 4 of article 23-C of the Portuguese Securities Code, the aforementioned shareholder informs that he/she/it has requested ______________________________ 2, with whom he/she/it has opened the individual securities account where the above referred shares are registered, to send you, until 11:59 p.m. (GMT) of March 20th, 2012, the information on the shares held by the former at 00:00 a.m. (GMT) of March 20th, 2012 (the “Record Date”). Yours faithfully, ____________________,____/____/_______3 ______________________________________ (Signature) 1 Full name (natural persons) or corporate name (legal persons), in capital letters. 2 Identification of the Financial Intermediary. 3 Place and date. Explanatory Notes 1. The General Shareholders Meeting will be held on March 27th, 2012, at 10:30 a.m., at Rua Cidade de Goa, no. 4, 2685 038 Sacavém, with the agenda and documentation referred to in the notice to convene available for consultation. 2. This declaration shall be sent by the Shareholders to the Chairman of the Board of the General Meeting, in order for the same to be received until 11:59 p.m. (GMT) of March 19th, 2012. 3. For any queries, the following telephone number (+351) 210 013 150 and the email address [email protected] are available.