The Company's twelve largest shareholders as of December 31, 2017:

Name Number of Shares % Share
Enel Chile SA (1) 4,919,488,794 59.98%
Banco de Chile on Behalf of Non-Resident Third Parties 340,293,240 4.15%
Banco Itaú-Corpbanca on behalf of Foreign investors 302,348,805 3.69%
Citibank N.A. per SVS Letter 1,375 2,879,576,480 3.41%
AFP Habitat S.A. for Pension Fund C 201,780,870 2.46%
AFP Provida S.A. for Pension Fund C 201,080,498 2.45%
Banco Santander on Behalf of Foreign Investors 171,209,242 2.09%
AFP Capital S.A. for Pension Fund C 134,427,028 1.64%
AFP Cuprum S.A. for Pension Fund C 134,427,028 1.57%
Banchile corredores de bolsa S.A. 85,508,422 1.04%
AFP Habitat S.A. for Pension Fund B 82,924,205 1.01%
AFP Habitat S.A. for Pension Fund A 71,931,340 0.88%
Subtotal  6,919,488,206 84.37%
Otros  1,282,266,374 15.63%
TOTAL  8,201,754,580 100%

(1) Enel Chile S.A.  is controlled directly by Enel SpA., holding 60.62% of ownership.