1. See http://www.encharter.org/index.jsp?psk=01&ptp=tMessAgenda.jsp&pci=53&pti=14.
2. See Key World Energy Statistics from the IEA.
3. See the Energy Charter Secretariat.
4. See Note to Article 1.1(a)(1)(ii) of the ASCM, and sub-paragraph (g) in Annex I to the ASCM.