The S&P/TSX Global Base Metals Index is designed to provide investors an investable index of global securities involved in the production or extraction of base metals. The index is a subset of the S&P/TSX Global Mining Index, an investable index that provides investors with a broadly representative benchmark for global mining portfolios and a basis for innovative, index-linked investment vehicles.

Index constituents exhibit the following characteristics:

• Industry Classification - GICS® Codes 15104010 and 15104020.
• Market Capitalization - At least US$ 300 million.
• Liquidity - At least 30%.
• Capping - Calculation based on modified market cap approach.
• Listings - TSX, NYSE, AMEX, or NASDAQ.

Index Governance and Policy
This index is maintained by the S&P/TSX Canadian Index Committee according to a set of published guidelines. Comprised of four members from Standard & Poor’s and three from the Toronto Stock Exchange (TSX), the Index Committee meets quarterly to determine constituent eligibility at the quarterly review. The Index Committee reserves the right to effect index changes in between quarterly review periods.

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