The Solactive United States Energy Regulated Capped Index is a subset of the GBS Index Universe of the Solactive GBS United States 1000 Index with selection criteria contingent on being assigned to one of the following national industries, according to the North America Industry Classification System (NAICS): Crude Petroleum Extraction, Natural Gas Extraction, Bituminous Coal and Lignite Surface Mining, Bituminous Coal Underground Mining, Anthracite Mining, Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Hydroelectric Power Generation, Nuclear Electric Power Generation, Solar Electric Power Generation, Wind Electric Power Generation, Geothermal Electric Power Generation, and Biomass Electric Power Generation.