Empresa Distribuidora y Comercializadora Norte Sociedad Anónima : Gabriela L. Chillari Empresa Distribuidora y Comercializadora Norte S.A (Form 6-K)

Gabriela L. Chillari

Empresa Distribuidora y Comercializadora Norte S.A.

Attorney-in-fact

Buenos Aires City, July 15th, 2021

Messrs

Comisión Nacional de Valores

S/D

25 de Mayo 175

Buenos Aires City

Present

Ref .: Material Fact Report - Change of control due to sale of controlling stake

Dear Sirs

We hereby address you in accordance with what is required in Article 7, Chapter II, Title III of the National Securities Comission ('CNV') Regulations (TO 2013) (the 'CNV Regulations'), in order to inform that on June 30^th, 2021, Pampa Energía SA transferred to Empresa de Energía del Cono Sur S.A. ('Edelcos') which acquired all the Class A shares of Empresa Distribuidora y Comercializadora Norte S.A. ('Edenor'), representing 51% of the share capital and votes of said company (the 'Transaction').

Likewise, it is reported that (i) the highest price that Edelcos paid for the negotiable securities, during the twelve (12) months prior to the start date of the period during which the offer must be made, is $ 21.79, and (ii) the average price of the negotiable securities during the semester immediately prior to the date hereof is $ 29.34.

In accordance with the provisions of Article 9, Title III, Chapter II of the CNV Regulations, Edelcos will announce, within the term established by such regulations, the launch of a mandatory takeover bid addressed to all Edenor shareholders, holders of Class B and Class C shares with a par value of one peso ($ 1) each and with the right to one vote per share currently issued and outstanding, free and exempt from any encumbrance, pledge or precautionary measure and that are not directly owned or indirect of the Offeror at the time of the offer.

Without further ado, I greet you very kindly.

Empresa de Energía del Cono Sur S.A.

Ricardo Nicolas Mallo Huergo

Attorney-in-fact