UPDATE 1-U.S. natgas rig count up 1st time in 4 wks -Baker Hughes

* Gas rig count climbs seven to 428 * Oil rig count down, horizontal rigs up slightly NEW YORK, Feb 22 (Reuters) - The number of rigs drilling for natural gas in the United States rose this week for the first time in four weeks, as producers shrugged off relatively low gas prices and increased drilling activity, data from Houston-based oil services firm Baker Hughes Inc showed on Friday. The gas-directed rig count rose by seven to 428, only the second gain in seven weeks, according