Material Information

The SVS was informed that the board of the Company on that date agreed to distribute the sum of Ch$16,343,500,000 against the earnings for 2010, as an interim dividend. The Company’s interim dividend No.15 therefore amounted to Ch$16.3435 per share and was payable from November 24, 2010.

The SVS was informed that the board on that date received the resignation of Marta Colet Gonzalo as chief executive of the Company, effective from September 1. The board then unanimously appointed Iván Yarur Sairafi as the new chief executive of Inversiones Aguas Metropolitanas S.A. from the date stated.

The SVS was informed that the Company was informed on June 7, 2010 that Suez Environnement Company S.A. (“Suez Environnement”) acquired indirectly 75.01% of the share capital of Sociedad General de Aguas de Barcelona, S.A. (“SGAB”). The latter, through different wholly-owned subsidiaries, holds 56.6% of IAM. As a result, the new controller of IAM as from June 7, 2010 is Suez Environnement.

The SVS was informed that the ordinary shareholders meeting held on April 21 fully renewed the members of the board, electing the following as directors and alternate directors:

It was noted that Alberto Muchnick and his respective alternate, Paola Cúneo, were elected as independent directors. The board of the Company met on that date when it was agreed to appoint Ángel Simón as chairman of the board and of the Company, and Joaquín Villarino as vice-chairman. The members of the directors’ committee will be Alberto Muchnick Mlynarz, Joaquín Villarino Herrera and Ignacio Guerrero Gutiérrez.

The SVS was informed that at its ordinary meeting held on that date, the board of the Company unanimously agreed to call the ordinary shareholders meeting for April 21, 2010, at 4 p.m. at Av. Presidente Balmaceda 1398, 10th floor, Santiago, to know and pronounce on matters reserved for ordinary shareholders meetings. At the same meeting, the resignation was received of Jaime Ravinet De La Fuente as a director of the Company, which was accepted from that date. The position remained vacant until the next ordinary shareholders meeting of the Company.