Calamos Global Total Return Fund (the Fund) is a diversified, closed-end management investment company. The Fund�s investment objective is to provide total return through a combination of capital appreciation and current income. The Fund invests in a diversified portfolio of global equity, global convertible and below investment-grade (high-yield) fixed-income securities. The Fund invests in sectors, such as information technology, energy, materials, financials, healthcare, consumer discretionary, consumer staples, industrials, telecommunication services and utilities. The Fund may also invest in structured equity-linked securities created by third parties, typically investment banks. Calamos Advisors LLC serves as the Fund�s investment advisor.