Stirol (STIR: N/R) said that Naftogaz of Ukraine cut its gas supplies at 12:00 Kyiv time yesterday. Stirol said that it is in talk with Naftogaz to buy gas from its subsidiary, Gas Ukraine, but a contract has not been signed. Earlier this week, Naftogaz turned off gas supplies to Kyivenergo (KIEN: HOLD) and Halychyna Refinery (HANZ: N/R), and threatened to do the same to Rivneazot, Krymsoda (KSOD: N/R), Naftokhimik Prykarpattya (NAFP: N/R).