"I respond that we do not plan [to raise extra funding]. The project is supported with financing in full scope to complete its investment stage and for its transition to the operation stage," Sadygov said.

The offshore segment of the first string of the Nord Stream 2 gas pipeline is technically completed, Nord Stream 2 AG, the project operator, said earlier. Startup activities to fill the string with gas started on June 11.

Sadygov also said that Gazprom is not planning a secondary public offering (SPO), and does not for now plan to sell its stake in compatriot energy company Novatek.