At 31, october 2019, the following interests of shareholders in excess of 3%, have been notified to the company.

International Capital Markets Group Chile S.A. 10.37%
Smart Utilites LLC 9.88%
Fildran S.A 7.37%
José Luis Manzano 6.44%
Prifen S.A 6.33%
Integra Capital USA LLC 6.12%
Albor Group LTD 6.00%
Sommers International Holdings, Inc. 5.95%
Mezzo Trading International, Inc. 3.97%