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 March 31, 2019, all shares were subscribed and paid, and they were owned in accordance with the following breakdown:

Shareholders Shares %

Enel S.p.A.

29,762,213,531

51.80%

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

5,080,007,028

8.84%

Chilean Pension Funds

7,200,518,586

12.53%

Custodian Banks

1,739,209,353

3.03%

Foreign investment funds

8,290,339,574

14.43%

Brokers, Insurance Companies and Mutual Funds

3,899,968,377

6.79%

Other Shareholders

1,480,385,067

2.58%

Total shares

57,452,641,516

100.00%