KYIV, Sept 18 – Fearing to lose the Russian market, Siemens has refused to continue shipments of equipment for the modernization of the Ukrainian gas transportation system (GTS), Naftogaz Ukrayiny CEO Andriy Kobolev said.

"Siemens called and said that if they brought more [equipment], they would lose the Russian market," Kobolev announced at the 14th annual YES conference in Kyiv on Friday, September 15.

He said Ukraine had to negotiate new supplies with General Electric.