APAM vs CHI

Artisan Partners Asset Management Inc.

Artisan Partners Asset Management Inc. is publicly owned investment manager. It provides its services to pension and profit sharing plans, trusts, endowments, foundations, charitable organizations, government entities, private funds and non-U.S. funds, as well as mutual funds, non-U.S. funds and collective trusts. It manages separate client-focused equity and fixed income portfolios. The firm invests in the public equity and fixed income markets across the globe. It invests in growth and value stocks of companies across all market capitalization. For fixed income component of its portfolio the firm invests in non-investment grade corporate bonds and secured and unsecured loans. It employs fundamental analysis to create its portfolios. Artisan Partners Asset Management Inc. was founded in 1994 and is based in Milwaukee, Wisconsin with additional offices in Atlanta, Georgia; New York City; San Francisco, California; Leawood, Kansas; and London, United Kingdom.

Calamos Convertible Opportunities and Income Fund

Calamos Convertible Opportunities and Income Fund is a closed ended fixed income mutual fund launched by Calamos Investments LLC. It is managed by Calamos Advisors LLC. The fund invests in the fixed income markets of the United States. It primarily invests in a diversified portfolio of convertible securities and high yield corporate bonds rated Ba or lower by Moody's or BB or lower by Standard & Poor's. The fund employs both fundamental and quantitative analysis with a focus on such factors as financial soundness, ability to make interest and dividend payments, earnings and cash-flow forecast, and quality of management to create its portfolio. Calamos Convertible Opportunities and Income Fund was formed on April 17, 2002 and is domiciled in the United States.