21 September 2011, 10:00 AM Close Facebook Twitter Google Plus LinkedIn Email BHP Billiton Summary Review 2011 The Summary Review is designed to provide an update on the operations and performance of BHP Billiton over the year ended 30 June 2011 in a concise and easy-to-read format. Interactive version Print version BHP Billiton Annual Report 2011 An in-depth look at BHP Billiton’s operations and performance over the 2011 financial year. Interactive version Print version Form 20-F BHP Billiton is subject to the US Securities and Exchange Commission (SEC) reporting requirements for foreign private issuers. A Form 20-F is filed annually with the SEC. Download Shareholders may receive a hard copy of the above mentioned Group reports free of charge on request, within a reasonable time period, by telephoning: BHP Billiton’s Share Registrars on 1300 656 780 (within Australia); (44 844) 472 7001 (within the UK); the Citibank Shareholder Services (1 781) 575 4555 (outside US) 1 877 248 4237 (1 877 CITIADR) (toll free within US).