The Sub-Fund is an index-tracking UCITS passively managed. The Reference Currency of the Sub-Fund is the US Dollar (USD). The investment objective of sub-fund is to reflect the performance of the Bloomberg Barclays US Treasury 10+ Year Index (hereinafter the ?Benchmark Index?) denominated in USD and representative of United States ?Treasury bonds? with remaining maturities exceeding 10 years - while minimising the volatility of the difference between the return of the Sub-Fund and the return of the Benchmark Index (the ?Tracking Error?). For monthly hedged share classes mentioned in APPENDIX C - SUMMARY OF SHARES AND FEES, the Sub-Fund will also use a monthly currency-hedge strategy, in order to minimize the impact of the evolution of each respective share class currency against currencies of each Index component. The anticipated level of the tracking error under normal market conditions is expected to be up to 0.30%.