the previous sustainability report covered operating results for and reports in the field of sustainability, beginning with 2007, are published on uc rusal’s corporate website: http://www.rusal.ru/development/. annual reports of the company are available in english at: http://rusal.ru/investors/info/reports.aspx. prIncIples anD stanDarDs the sixth sustainability report of uc rusal was prepared in accordance with the established practice for non-financial reporting.