In late 1990, the Sigdo Koppers S.A. Group acquired an interest in Enaex. Later, in 1993, the group became the Company's controlling shareholder. This prominent group has investments in: the service sector, through Ingeniería y Construcción Sigdo Koppers S.A., Puerto Ventanas S.A. and its subsidiary Fepasa S.A.; the industrial sector, through Enaex and Magotteaux, in the automotive sector, through SKBergé S.A.; and importation, sales and leasing of heavy machinery, farm equipment and transportation for construction and inputs, through SK Comercial S.A.

AS OF DECEMBER 31, 2017, ENAEX S.A.'S SHARE CAPITAL WAS DIVIDED INTO 123,000,000 SHARES.
THE COMPANY'S 12 MAIN SHAREHOLDERS ARE:

Shareholder N° of shares
Ownership Interest (%)
Sigdo Koppers S.A. 74.687.564 60,72
Inversiones Gran Araucaria Dos Limitada 7.913.125 6,43
Moneda S.A. - Pionero Fondo de Inversión 6.809.000 5,54
Lucec Tres S.A. (1) 5.300.000 4,31
BTG Pactual Chile S.A. C DE B 5.037.235 4,10
Inversiones Santa Filomena Limitada (1) 4.912.668 3,99
Inversiones y Valores Harabuquen Ltda. 4.359.373 3,54
Inversiones Auguri Ltda. (1) 2.850.000 2,32
Agrícola Cechi Ltda. (1) 2.425.000 1,97
Moneda Corredora de Bolsa Ltda. Inversiones 747.530 0,61
Schwember y Cia Ltda. 738.000 0,60
Compass Small Cap Chile - Fondo de 657.550 0,53

.
(1) Non-controlling group with more than 12% interest.

AS OF DECEMBER 31, 2017, ENAEX S.A.’S SHARE CAPITAL
WAS DISTRIBUTED AS FOLLOWS: