Vagit Alekperov, OAO LUKOIL President, Manfred Warda, General Secretary of the International Federation of Chemical, Energy, Mine and General Workers' Unions (ICEM), Lev Mironov, Chairman of the Russian Oil, Gas and Construction Workers’ Union (ROGWU), and Georgy Kiradiev, Chairman of the Council for the International Association of LUKOIL Trade Union Organizations (OAO LUKOIL IATUO), signed a supplement agreement to the Global Cooperation Agreement in Moscow today.