Sustainable Stock Exchanges 2012 Global Dialogue, an event of the Rio+20 Corporate Sustainability Forum - A core group of five stock exchanges - NASDAQ OMX, BM&FBOVESPA, the Johannesburg Stock Exchange (JSE), the Istanbul Stock Exchange (ISE) and The Egyptian Exchange (EGX) - announce a commitment to promote long-term, sustainable investment in their markets. Supachai Panitchpakdi, UNCTAD Secretary General ( in centre ) coordinates the signature of the commitment letter. Windsor Barra Hotel, Rio de Janeiro, Brazil. June 18, 2012.