Russia Lowers Railway Tariffs for Transportation of Ukrainian IronOre to the level of its internal transportation tariffs. Concorde Capital: Transportation tariffs decrease is a result of lobbying of Magnitogorsk Iron & Steel (MMK, Russia) which currently feels significant problems with iron ore supplies. Recently, the company started negotiations with Ukrainian Poltava GOK (PGOK: BUY) about deliveries of iron ore. MMK even announced readiness to buy PGOK, nevertheless, owners of the latter has not replied to an offer yet.