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2019
Hecho Esencial – Citación Junta Ordinaria de Accionistas – Abril 2019
2018
Hecho Esencial - Dividendo provisorio
Hecho Esencial - Colbún Transmisión S.A.
Hecho Esencial - Informa renuncia de Director de Colbún S.A.
Hecho Esencial - Informa acuerdos Junta Ordinaria de Accionistas
Hecho Esencial – Citación Junta Ordinaria de Accionistas – Abril 2018
2017
Hecho Esencial – Suscripción de Contrato con Enap
Hecho Esencial – Cambio Directorio Colbún S.A.
Hecho Esencial – Citación Junta Ordinaria de Accionistas – Abril 2017
2016
Colbún informa reparto de dividendo provisorio
Colbún informa tiempo de reparación de Nehuenco II
Hecho Esencial sobre incendio transformador Nehuenco II
Summon of the Ordinary Shareholders’ Meeting – April 2016
Essential Fact – Change in Board of Directors
Respuesta oficio ordinario, Colbún complementa información en relación a proceso de venta de Isagen
2015
Respuesta oficio ordinario en relación a internacionalización
Respuesta Oficio Ordinario en relación al proceso de venta de Isagen
Colbun-led consortium purchases generation company Fenix Power Peru
Hecho Esencial – Acuerdos Junta Ordinaria de Accionistas – Abril 2015
Hecho Esencial – Citación Junta Ordinaria de Accionistas – Abril 2015
Hecho Esencial – 18 de Marzo de 2015
Hecho Esencial – 30 de Enero de 2015
2014
Essential Fact – Provisional Dividend Nov14
Essential Fact – Tax Reform II – Oct14
Essential Fact – Tax Reform – Oct14
Essential Fact – Change in Management – Sep14
Essential Fact – Bond Issuance – Jul14
Essential Fact – Change in Board of Directors – May14
Essential Fact – Shareholders Meeting Agreements – Apr14
Essential Fact – Shareholders Meeting Invitation – Mar14
2013
Essential Fact – Call for Ordinary Shareholders Meeting- March 2013
Essential Fact – Agreements Ordinary Shareholders Meeting 2013 – April 2013
Essential Fact – Nehuenco Arbitration – May 2013
2012
Essential Fact – Santa María I Insurance – December 2012
Essential Fact – Nehuenco Arbitration – September 2012
Essential Fact – Colbún Transmission S.A. affiliate constitution – June, 2012
Essential Fact – Complement to Essential Fact of May 30th – June, 2012
Essential Fact – Recommendation to suspend indefinitely the presentation of the Environmental Impact Study of the Hidroaysen transmission system – May, 2012
Essential Fact – Termination Contract Santa María I
Essential Fact – Board Meeting Agreements – May 2012
Essential Fact – Ordinary Shareholders Meeting Agreements – April 2012
Essential Fact – Call for Ordinary Shareholders Meeting – March 2012
Essential Fact – Changes in Management – March 2012
2011
Essential Fact – Renuncia de Director Emilio Pellegrini – March 30, 2011
Essential Fact – Convocatoria a Junta Ordinaria de Accionistas – March 30, 2011
Essential Fact -Modificación acuerdo sobre politica de operaciones ordinarias habituales del giro social Colbun S.A. – March, 2011
Essential Fact – Comunicado acuerdos Junta Ordinaria de Accionistas – April, 2011
Essential Fact – GasAndes Transaction – December, 2011
Essential Fact – Guarantees Construction Contract Santa Maria 1 – December, 2011
2010
Essential Fact – TGN – August 24, 2010
Essential Fact – LNG – September 09, 2010
Essential Fact – IFC – August 24, 2010
2009
Essential Fact – Codelco – October 15, 2009