Eaton Vance Tax-Managed Diversified Equity Income Fund (the Fund) is a diversified, closed-end management investment company. The Fund's primary investment objective is to provide current income and gains, with a secondary objective of capital appreciation. The Fund invests in a diversified portfolio of common stocks and writes (sells) index call options with respect to a portion of the value of its common stock portfolio to generate current cash flow from the options premium received. The Fund evaluates returns on an after tax basis and seeks to minimize and defer federal income taxes incurred by shareholders in connection with their investment in the Fund. The Fund may invest in derivatives without limitation. The Fund invests in a range of sectors, such as consumer discretionary, consumer staples, energy, financials, healthcare, industrials, information technology, telecommunication services and utilities. Eaton Vance Management is the investment advisor of the Fund.