Market Vectors Solar Energy ETF is subject to various risks including those associated with making investments in companies engaged in the solar energy business such as competitive pressures, changes in government policy and regulation, economic and political conditions, world events and risks related to foreign investments. Additional risks include short product cycles, technological developments and obsolescence, commodity and energy price volatility, depletion of resources and a variety of risks associated with companies with limited operating histories.

All performance information presented for the Index covering the period prior to April 21, 2008 is based on hypothetical, back-tested data. Prior to April 21, 2008, the Index was not calculated in real time by an independent calculation agent. Hypothetical, back-tested performance has inherent limitations and is not indicative of future results. No representation is being made that any investment will achieve performance similar to that shown.

The Ardour Solar Energy Index SM is published by Ardour Global Indexes, LLC SM, and is licensed for use by Van Eck Associates Corporation in connection with Market Vectors Solar Energy ETF (KWT). Market Vectors Solar Energy ETF is not sponsored, endorsed, sold or promoted by Ardour Global Indexes, LLCSM and Ardour Global Indexes, LLCSM makes no representation regarding the advisability of investing in the product(s).

The Ardour Solar Energy Index SM is calculated and maintained by Dow Jones Indexes. Van Eck's Market Vectors Solar ETF is not sponsored, endorsed, sold or promoted by Dow Jones Indexes and Dow Jones Indexes makes no representation regarding the advisability of investing in such product(s).

All performance information presented for the Index covering the period prior to April 21, 2008 is based on hypothetical, back-tested data. Prior to April 21, 2008, the Index was not calculated in real time by an independent calculation agent. Hypothetical, back-tested performance has inherent limitations and is not indicative of future results. No representation is being made that any investment will achieve performance similar to that shown.

Index returns are not Fund returns and do not reflect any management fees or brokerage expenses. Investors can not invest directly in the Index. Returns for actual Fund investors may differ from what is shown because of differences in timing, the amount invested and fees and expenses. Index returns assume that dividends have been reinvested.

Index performance is provided as a benchmark but is not illustrative of any particular investment. Past performance is no guarantee of future results. An investment cannot be made in an index.

Fund shares are not individually redeemable and will be issued and redeemed at their NAV only through certain authorized broker-dealers in large, specified blocks of shares called “creation units” and otherwise can be bought and sold only through exchange trading. Creation units are issued and redeemed principally in kind. Shares may trade at a premium or discount to their NAV in the secondary market.

For more information on the Market Vectors ETF and the underlying Index, call 1.888.MKT.VCTR. Investing involves risk, including possible loss of principal. Please see the prospectus for more details. Market Vectors ETF shares trade like stocks, are subject to investment risk and will fluctuate in market value. The market price of the Market Vectors ETF's shares may be more or less than the net asset value. An investor should consider the investment objective, risks, charges and expenses of the Market Vectors ETFs carefully before investing . The  prospectus contains this and other information about Market Vectors ETFs. Please read the prospectus carefully before investing.