** Shares of U.S. natural gas companies up, tracking a rise in natgas futures NGA/
** U.S. natural gas futures NGc1 up 2.4% at $4.59 per million British thermal units
** Natural gas prices climb on record flows to liquefied natural gas (LNG) export plants, expiration of a lower-priced contract, and forecasts for colder weather and higher demand this week than previously expected
** Shares of natgas companies: Venture Global VG.N up ~2%, EQT Corp EQT.N climbs 4% and Expand Energy EXE.O rises 2.5%
** ETF United States Natural Gas Fund UNG.P rises 2.6% and ProShares Ultra Bloomberg Natural Gas BOIL.P up 5%
(Reporting by Varun Sahay in Bengaluru)
((Varun.sahay@thomsonreuters.com;))