Moody's assigns bond fund and market risk ratings to five Ameristock Exchange Traded Funds ALAMEDA, Calif., Aug. 10 /PRNewswire-FirstCall/ -- The Ameristock Corporation (Ameristock) announced today that their five new fixed income U.S. Treasury exchange traded funds (ETFs) have been ranked Aaa (Triple A) by Moody's. These five new funds represent the first real competition in the fixed income ETF product category, because they are based on Ron Ryan's bullet Treasury Yield curve indexes and not the other, broader Treasury indexes currently used as benchmarks. "We are very proud to have received the highest ranking by Moody's for our new fixed income ETFs," said Nicholas Gerber, Portfolio Manager. "This triple A rating combined with the low expense ratio of 15 basis points and constant maturity mean that people who want to invest in the Treasury market for asset/liability matching, asset allocation strategies or just use the 1 year (AMEX:GKA) as a cash alternative can now do so through the convenience of their existing broker and transparency of an ETF." Each Ameristock/Ryan ETF seeks to track a particular U.S. Treasury securities index owned and compiled by Ryan Holdings LLC and Ryan ALM, Inc. The ETFs are: Ameristock/Ryan 1 Year Treasury ETF (Symbol: GKA) Ameristock/Ryan 2 Year Treasury ETF (Symbol: GKB) Ameristock/Ryan 5 Year Treasury ETF (Symbol: GKC) Ameristock/Ryan 10 Year Treasury ETF (Symbol: GKD) Ameristock/Ryan 20 Year Treasury ETF (Symbol: GKE) About Ameristock Corporation The Ameristock Corporation (Ameristock) manages the Ameristock Fund and the Ameristock/Ryan Treasury Exchange Traded Funds. The Funds' website (http//http://www.ameristock.com/) includes historical performance and a complete listing of the Funds' holdings. Ameristock is the sister company of Victoria Bay Asset Management which manages the United States Oil Fund, LP and the United States Natural Gas Fund, LP. About Moody's Investors Service Moody's money market and bond fund ratings express opinions on the investment quality of shares in mutual funds and similar investment vehicles that principally invest in short-term and long-term fixed-income obligations, respectively. Moody's fund ratings have a dual function: they address both credit quality and market risk considerations. The credit ratings reflect the average credit quality of a portfolio and are not intended to consider the prospective performance of a fund with respect to appreciation, volatility of net asset value, or yield. Funds rated Aaa are judged to be of an investment quality similar to Aaa-rated fixed-income obligations -- that is, they are judged to be of the best quality. Moody's market risk ratings use a six-tiered numerical scale, from MR1+ to MR5. Funds rated MR1 exhibit very low sensitivity to changing interest rates and other market conditions while at the other end of the range, funds rated MR5 exhibit very high sensitivity to changing interest rates and other market conditions. Ameristock Funds are distributed by ALPS Distributors, Inc. An investor should carefully consider investment objectives, risks, charges and expenses of the investment company carefully before investing. To obtain a prospectus, which contains this and other information, please call 800-394-5064 or visit http://www.ameristock.com/. Please read the prospectus carefully before investing. An investment in the Funds involves risk, including loss of principal. There is no assurance that the investment process will consistently lead to successful investing. Unlike many investments, the Funds do not try to 'beat' the markets or indexes they track, but rather match their appropriate index. AME 000166 exp. 9/2007 DATASOURCE: Ameristock Corporation CONTACT: Katie Rooney of Ameristock Corporation, +1-818-206-8148, Web site: http://www.ameristock.com/

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