Siemens Energy AG is an energy company formed by the spin off of the former Gas and Power division of Siemens Group and includes a 67% share of Siemens Gamesa. Christian Bruch is CEO and the former CEO of Siemens AG Joe Kaeser is chairman of the supervisory board. At an Extraordinary Shareholders' Meeting of Siemens AG on July 9, its shareholders approved the split-up of the company. Trading of the shares of the new Siemens Energy AG on the Frankfurt Stock Exchange began on September 28.