Russian gas monopoly Gazprom is to pay contractor Stroygazmontazh 25% more than previously planned to build five sections of the Sila Sibiri export gas pipeline, which will run from East Siberia to China.

According to a disclosure from Gazprom, the total amount to be paid to Stroygazmontazh has increased from 198 billion roubles in December 2015 to more than 248 billion roubles ($4.13