TDX Independence Exchange Traded Funds Name Change

Business Wire, July 15, 2008

OMAHA, Neb. -- Amerivest Investment Management, LLC, a subsidiary of TD AMERITRADE Holding Corporation (NASDAQ: AMTD), along with XShares Advisors LLC, today announces that TDAX Funds, Inc.'s name has changed to TDX Independence Funds, Inc., effective immediately. The ticker symbols for the five exchange-traded funds (ETF), listed on the NYSE Arca, will remain unchanged.

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For more information on TDX Independence Funds, Inc. please visit the website at www.tdxindependencefunds.com.

Before investing in an ETF, carefully consider the investment objectives, risks, charges and expenses. For a prospectus containing this and other important information, contact a Client Services representative at 800-669-3900. Please read the prospectus carefully before investing.

AMTD-G

About TD AMERITRADE Holding Corporation

TD AMERITRADE Holding Corporation, through its brokerage subsidiaries1 provides a dynamic balance of investment products and services that further the Independent Spirit of individual investors. The Company's full spectrum of services include a leading active trader program and long-term investor solutions, including a national branch system, as well as relationships with one of the largest networks of independent registered investment advisors. The Company's common stock trades under the ticker symbol AMTD. For more information, please visit www.amtd.com.

About Amerivest Investment Management, LLC

Amerivest Investment Management, LLC is a registered investment advisor and a sub-advisor to TDX Independence Funds, Inc.

About XShares Advisors LLC

XShares Advisors LLC, a subsidiary of XShares Group LLC, is a registered investment advisor that provides investment advisory services to Exchange Traded Funds. XShares also partners with major institutions and index providers seeking to bring innovative Exchange Traded Funds to market using its administrative platform. In addition, XShares creates and licenses distinctive intellectual property for its ETFs, developing products that allow for innovative trading strategies and alternative investments for the financial community. For more information, visit the company's website at www.xsharesadvisors.com.

ETFs are subject to risk similar to those of stocks including those regarding short-selling and margin account maintenance. ETFs can entail market, sector, and industry risks similar to direct stock ownership, and trading prices may not reflect the actual net asset value of the underlying securities.

There is no assurance that the investment process will consistently lead to successful investing. Diversification does not eliminate the risk of experiencing investment losses. Past performance does not guarantee future results.

TDX Independence Funds, Inc. ETFs are distributed by ALPS Distributors, Inc. TD AMERITRADE is not affiliated with TDX Independence Funds, Inc., XShares Advisors LLC, or ALPS Distributors, Inc.

1TD AMERITRADE, Inc., member FINRA (www.finra.org)/SIPC (www.SIPC.org), receives clearing and custodial services from TD AMERITRADE Clearing, Inc., member FINRA/SIPC. Amerivest Investment Management, LLC, TD AMERITRADE, Inc. and TD AMERITRADE Clearing, Inc. are subsidiaries of TD AMERITRADE Holding Corporation. Amerivest is a trademark of TD AMERITRADE IP Company, Inc. TD AMERITRADE is a trademark jointly owned by TD AMERITRADE IP Company, Inc. and The Toronto-Dominion Bank.

TDX308 Exp. 8/31/09