The objective of this Sub-Fund is to replicate the performance of the Bloomberg MSCI ESG US Aggregate ex Securitized Sector Neutral Select Index and to minimize the tracking error between the net value of the assets of the Sub-Fund and the performance of the Index. The Sub-Fund aims to achieve a level of tracking error which will normally not exceed 1%. The index tracks investment grade fixed rate debt with a nominal outstanding amount of at least $500 million. The Index is based on the US Aggregate ex Securitized Index. and applies additional criteria to include issuers with MSCI ESG ratings of BBB or higher.