The information was later confirmed by Transgaz in a statement sent to the Bucharest bourse. The company said the dividend payment will start in October.
Transgaz reported net profit of RON376.3 million in 2010.
The company will pay its holders a gross dividend of RON28.77 a share, more than double compared to RON13.02 a share last year.
Transgaz was listed on the Bucharest Stock Exchange at the beginning of 2008. The Economy Ministry owns a 73.5% stake, investment fund Fondul Proprietatea has almost 15% of its shares and the rest is distributed among minority shareholders.
Romanian authorities announced plans to list an additional 15% stake in Bucharest by year-end.
Wednesday, Transgaz closed up 1.96% at RON265.3 a share. (EUR1=RON4.1566).