Focus of the SPDR S&P Metals and Mining ETF is to replicate as closely as possible, before expenses, the total return performance of the S&P Metals and Mining Select Industry Index (which is an equally weighted market cap index and represents the metals and mining sub-industry portion of the S&P Total Market Index). The sectors covered by the index include: coal and consumable fuels, aluminium, diversified metals
and mining, gold, precious metals and minerals, steel. The Index is rebalanced after close, on the third Friday, of the quarter ending month. The reference date for additions and deletions is after the closing of the last trading date of the previous month. A company is deleted from the index if the S&P Total Market Index drops the constituent. However, no companies are added between rebalancing.