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Performance

Quarterly Performance as of 3/31/2013

Total ReturnsCumulativeAnnualized
Fund 1 Mo. 3 Mo. YTD SI4 1 Yr. SI4
Alerian MLP ETF (Net Asset Value)3.87%12.64%12.64%37.80%13.33%13.13%
Alerian MLP ETF (Market Price)13.87%12.71%12.71%37.80%13.26%13.13%
Alerian MLP Infrastructure Index (Benchmark)55.87%20.08%20.08%66.16%21.72%21.57%

Monthly Performance as of 4/30/2013

Total ReturnsCumulativeAnnualized
Fund 1 Mo. 3 Mo. YTD SI4 1 Yr. SI4
Alerian MLP ETF (Net Asset Value)0.28%4.45%12.95%38.19%12.63%12.82%
Alerian MLP ETF (Market Price)10.40%4.57%13.15%38.35%12.69%12.87%
Alerian MLP Infrastructure Index (Benchmark)50.47%6.91%20.65%66.94%20.59%21.05%

Performance data quoted represent past performance. Past performance is no guarantee of future results so that shares, when redeemed may be worth more or less than their original cost. The investment return and principal value will fluctuate. Current performance may be higher or lower than the performance quoted. Call 1-877-398-8461 for current month end performance.

1 Market Price is based on the midpoint of the bid/ask spread at 4 p.m. ET and does not represent the returns an investor would receive if shares were traded at other times.

2 The Premium / Discount is the amount (stated in dollars or percent) by which the selling or purchase price of an ETF is greater than (premium) or less than (discount) its face amount/value or net asset value (NAV).

3The Fund is classified for federal income tax purposes as a taxable regular corporation or so-called Subchapter ‘‘C’’ corporation. As a ‘‘C’’ corporation, the Fund accrues deferred tax liability for its future tax liability associated with the capital appreciation of its investments and the distributions received by the Fund on equity securities of master limited partnerships considered to be a return of capital and for any net operating gains. The Fund’s accrued deferred tax liability, if any, is reflected each day in the Fund’s net asset value per share. The deferred income tax expense/(benefit) represents an estimate of the Fund’s potential tax expense/(benefit) if it were to recognize the unrealized gains/ (losses) in the portfolio. An estimate of deferred income tax expense/(benefit) is dependent upon the Fund’s net investment income/(loss) and realized and unrealized gains/(losses) on investments and such expenses may vary greatly from year to year and from day to day depending on the nature of the Fund’s investments, the performance of those investments and general market conditions. Therefore, any estimate of deferred income tax expense/(benefit) cannot be reliably predicted from year to year. For the fiscal year ended November 30, 2012, the Fund had net operating gains of $374,044,908 and accrued $129,266,875 in net deferred tax expense primarily related to unrealized appreciation on investments.

4Inception date of August 25, 2010

5The Alerian MLP Infrastructure Index is comprised of 25 midstream energy Master Limited Partnerships and provides investors with an unbiased benchmark for the infrastructure component of this emerging asset class. An investor can not invest directly in an index.

The Fund is taxed as a regular corporation for federal income tax purposes. This differs from most investment companies, which elect to be treated as “regulated investment companies” under the Code in order to avoid paying entity level income taxes.

There are risks involved with investing in ETFs including the loss of money. Additional information regarding the risks of this investment is available in the disclosure.

Alerian MLP ETF Shares are not individually redeemable. Investors buy and sell shares of the Alerian MLP ETF on a secondary market. Only market makers or "authorized participants" may trade directly with the Fund, typically in blocks of 50,000 shares.

An investor should consider the investment objectives, risks, charges and expenses carefully before investing. Click the link to obtain a prospectus, which contain this and other information, or call 877.398.8461. Read the prospectus carefully before investing.

The Fund invests primarily in energy infrastructure companies which may be adversely affected by changes in worldwide energy prices, exploration, production spending, government regulation, changes in exchange rates and depletion of natural resources.

ALPS Portfolio Solutions Distributor, Inc. is the Distributor for the Alerian MLP ETF.

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