Pioneer High Income Trust (the Trust) is a diversified, closed-end management investment company. The Trust's investment objective is to seek a high level of current income and to seek capital appreciation. The Trust seeks to invest in corporate bonds and notes, senior secured floating rate loan interests, convertible bonds and notes, preferred stocks, common stocks, sovereign debt obligations, collateralized mortgage obligations, asset-backed securities and convertible preferred stocks, among others. The Trust seeks to invest in various sectors, including energy, transportation, consumer services, oil and gas drilling, healthcare equipment and services, and education services. The Trust's investment advisor is Pioneer Investment Management, Inc.