The company’s shareholder capital is divided into 57,452,641,516 shares, with no face value, all belonging to the same series.

As of December 31, 2018, all shares were subscribed and paid, and they were owned in accordance with the following breakdown:

Accionistas Shares %

Enel S.p.A.

29,762,213,531

51.80%

ADR'S (Citibank N.A. according to circular 1.375 of the CMF)

4,384,417,428

7.63%

Chilean Pension Funds

7,946,536,863

13.83%

Custodian Banks

831,284,457

1.45%

Foreign investment funds

8,190,992,728

14.26%

Brokers, Insurance Companies and Mutual Funds

4,824,578,112

8.40%

Other Shareholders

1,512,618,397

2.63%

Total shares

57,452,641,516

100.00%