Western Asset High Income Opportunity Fund Inc. (the Fund) is a diversified, closed-end management investment company. The Fund's primary investment objective is to seek high current income. Capital appreciation is a secondary objective of the Fund. The Fund invests at least 80% of its net assets in high-yield securities and up to 20% in common stock equivalents, including options, warrants and rights. The Fund's invests in various sectors, such as consumer discretionary, consumer staples, energy, financials, healthcare, industrials, information technology, materials, utilities and telecommunication services. Legg Mason Partners Fund Advisor, LLC (LMPFA) is the Fund's investment manager. Western Asset Management Company (Western Asset) and Western Asset Management Company Limited (Western Asset Limited) are the Fund's sub-advisers.