National Industries owns a 20 percent stake in Mabanee through one of its subsidiaries, according to bourse data. "The group will inform the stock exchange if it reaches any deal to sell its stake," NIG said in a statement on the Kuwaiti bourse website on Sunday. NIG's shares were up 1.9 percent on the Kuwaiti bourse at GMT 0800 on Sunday after the statement, while Mabanee's shares were down 1 percent at 0.880 dinars.