Iberdrola : Appointment of a majority of directors by Infigen Energy Limited and Infigen Energy RE Limited at the proposal of Iberdrola Renewables Australia Pty Ltd.

Julián Martínez-Simancas

Secretary of the Board of Directors

Bilbao, 21 August 2020

To the National Securities Market Commission

Subject: Other relevant information / Appointment of a majority of directors by Infigen Energy Limited and Infigen Energy RE Limited at the proposal of Iberdrola Renewables Australia Pty Ltd

Pursuant to article 227 of the restated text of the Securities Market Law approved by the Royal Legislative Decree 4/2015, of 23 October (texto refundido de la Ley del Mercado de Valores aprobado por el Real Decreto Legislativo 4/2015, de 23 de octubre) and related provisions, and following the notice of inside information dated 17 June 2020 and the notices of other relevant information dated 29 and 30 June and 16, 22 and 24 July 2020, with numbers 286, 3,033, 3,073, 3,416, 3,516 and 3,581, respectively, of the official records, we hereby inform you that today, in furtherance of the implementation agreement entered into by Iberdrola Renewables Australia Pty Ltd1 ("Iberdrola Renewables Australia") with Infigen Energy Limited and Infigen Energy RE Limited (jointly "Infigen") dated 17 June 2020 in the framework of the public takeover offer launched by Iberdrola Renewables Australia over all stapled securities of Infigen (the "Offer"), and in light of the stake attributable to Iberdrola Renewables Australia in Infigen's share capital, which as of at 20 August 2020 amounted to 72.76 % of Infigen's share capital, the Boards of Directors of Infigen Energy Limited and Infigen Energy RE Limited have appointed new directors at the proposal of Iberdrola Renewables Australia who represent a majority of both Boards. This consummates the takeover by Iberdrola Renewables Australia of control over Infigen and its incorporation into the Iberdrola group.

The acceptance period of the Offer is currently set to end on 26 August 2020 and may be extended at the discretion of Iberdrola Renewables Australia.

This information is provided to you for the appropriate purposes.

Secretary of the Board of Directors

1 A wholly-owned subsidiary of Iberdrola Energía Internacional, S.A. (Sociedad Unipersonal), a subholding company of Iberdrola, S.A. for the markets other than those covered by other group subholding companies.

NOTICE: This document is a translation of a duly approved Spanish-language document, and is provided for informational purposes only. In the event of any discrepancy between the text of this translation and the text of the original Spanish-language document which this translation is intended to reflect, the text of the original Spanish-language document shall prevail.

Take care of the environment.

Printed in black and white and only if necessary

IMPORTANT INFORMATION

This communication does not constitute an offer to purchase, sell or exchange or the solicitation of an offer to purchase, sell or exchange any securities. The shares of Iberdrola, S.A. may not be offered or sold in the United States of America except pursuant to an effective registration statement under the Securities Act or pursuant to a valid exemption from registration.

NOTICE: This document is a translation of a duly approved Spanish-language document, and is provided for informational purposes only. In the event of any discrepancy between the text of this translation and the text of the original Spanish-language document which this translation is intended to reflect, the text of the original Spanish-language document shall prevail.

Take care of the environment.

Printed in black and white and only if necessary

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