The fund uses a "passive management" approach to track the performance, before fees and expenses, of the index. The index is constructed using a rules-based methodology that identifies companies in the upstream segment of the oil and gas industry value chain with publicly traded ordinary shares listed on major stock exchanges in developed markets, as classified by BITA GmbH. Under normal circumstances, the fund will invest at least 80% of the fund"s net assets in component securities that make up the index. The fund is non-diversified.