DUBAI, Oct 22 (Reuters) – Qatar Petroleum subsidiary, Qatar Aluminum, plans to sell 49 percent of its shares in a public offering on Oct. 30, the state news agency QNA reported on Monday. Qatar’s Financial Markets Authority had approved a request to publicly list shares of Qatar Aluminium (Qatalum)last week. State energy giant Qatar Petroleum said in May that it will list 49 percent of its shares in the aluminium smelter plant Qatalum in a public offering during the last quarter of this year. Norway’s Norsk Hydro owns 50 percent in the joint venture. The public offering will be priced at 10.1 Qatari riyals ($2.77) a share, Qatar Petroleum said in a separate statement. ($1 = 3.6400 Qatar riyals)