S druge strane, osiguravanjem sporazuma sa Sofijom bi se ojačale pozicije Moskve u gasnim pregovorima s Ukrajinom kasnije u toku mjeseca, time što bi se vlastima u Kijevu pokazalo da je projekat Južni tok, kojim bi se obilazila njihova zemlja, realan.
On the other hand, securing an agreement with Sofia, would strengthen Moscow's positions in gas talks with Ukraine later this month, showing authorities in Kiev that the South Stream project, which would circumvent their country, is realistic.