The fund invests in Canadian stocks from the S&P/TSX Composite, classified by GICS as an energy sector company. However, the underlying index excludes midstream and downstream energy production specifically, the GICS subindustries oil & gas refining & marketing and oil & gas storage & transportation. It also excludes the coal & consumable fuels subindustries. The committee-selected index applies a 25% cap to single constituents and usually undergoes quarterly rebalance. XEG currently employs a replicating strategy wherein it invests in securities in considerably the same proportions as they are represented in the underlying index.