Natural gas transmission system operator Amber Grid ensures reliable and safe transmission of natural gas by high pressure pipelines to the system users, the operation, maintenance and development of natural gas infrastructure of Lithuania. Amber Grid started its operations on 1 August 2013. Amber Grid shares are listed on the Baltic Secondary List of the NASDAQ Vilnius Stock Exchange. The controlling stake of Amber Grid is owned by the holding company EPSO-G, whose 100% of the shares are owned by the Ministry of Energy of the Republic of Lithuania.