The Invesco Global Clean Energy UCITS ETF Acc aims to provide the net total return performance of the WilderHill New Energy Global Innovation Index (the “Reference Index”), less the impact of fees. The Reference Index is designed to track the performance of global companies whose innovative technologies focus on the generation and use of cleaner energy, energy conservation, efficiency and the advancement of renewable energy. It is calculated by equally weighting each security and is rebalanced quarterly.