NAPERVILLE, Ill., Nov. 1 /PRNewswire-FirstCall/ -- Calamos Investments announced today the declaration of monthly distributions on each common share for its five closed-end funds. Fund Distribution Payable Record Ex-dividend (Level Rate) date date date CHI (inception 06/26/2002) Calamos Convertible Opportunities and Income Fund $0.1500 11/15/07 11/12/07 11/08/07 CHY (inception 05/28/2003) Calamos Convertible and High Income Fund $0.1219 11/15/07 11/12/07 11/08/07 CSQ (inception 03/26/2004) Calamos Strategic Total Return Fund $0.0975 11/15/07 11/12/07 11/08/07 CGO (inception 10/27/2005) Calamos Global Total Return Fund $0.1100 11/15/07 11/12/07 11/08/07 CHW (inception 06/27/2007) Calamos Global Dynamic Income Fund $0.1100 11/15/07 11/12/07 11/08/07 Distributions offer shareholders the opportunity to accumulate more shares in a fund via the automatic dividend reinvestment plan. For example, if a fund's shares are trading at a premium, distributions will be automatically reinvested through the plan at NAV or 95% of the market price, whichever is greater; if shares are trading at a discount, distributions will be reinvested at the market price through an open market purchase program. Thus, the plan offers current shareholders an efficient method of accumulating additional shares with a potential for cost savings. Please see the dividend reinvestment plan for more information. The Funds have level rate distribution policies paying monthly distributions at the stated rates. Distributions paid may include net investment income, net realized short-term capital gains and, if necessary, return of capital. In addition, distributions may include net realized long-term capital gains as permitted by the Investment Company Act of 1940. There is no guarantee that the Funds will realize capital gains in any given year. Distributions are subject to re-characterization for tax purposes after the end of the fiscal year. All shareholders with taxable accounts will receive written notification regarding the components and tax treatment for distributions via Form 1099-DIV. Distributions from the Funds are generally subject to Federal income taxes. For purposes of maintaining the level rate distribution policy, the Funds may realize short-term capital gains on securities that, if sold at a later date, would have resulted in long-term capital gains. Maintenance of a level rate distribution policy may increase transaction and tax costs associated with the Funds. Additional information about the Funds, including commentary, portfolio holdings, and a description of the Funds' dividend reinvestment plan is posted at Calamos Investments' Web site, http://www.calamos.com/. Important Notes About Performance and Risk Past performance is no guarantee of future results. As with other investments, market price will fluctuate with the market and upon sale, your shares may have a market price that is above or below net asset value and may be worth more or less than your original investment. About Calamos Calamos Investments is a diversified investment firm offering equity, fixed-income, convertible and alternative investment strategies, among others. The firm serves institutions and individuals via separately managed accounts and a family of open-end and closed-end funds, providing a risk-managed approach to capital appreciation and income-producing strategies. For more information, visit http://www.calamos.com/. DATASOURCE: Calamos Investments CONTACT: Ken Fincher, Vice President of Calamos Advisors LLC, +1-630-245-1076, Web site: http://www.calamos.com/

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