MFS Charter Income Trust is a closed ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in the fixed income markets across the globe. It invests primarily in corporate bonds of U.S. or foreign issuers, U.S. Government securities, foreign government securities, mortgage-backed, and other asset-backed securities of U.S. or foreign issuers, or debt instruments of issuers located in emerging market countries. The fund employs a combination of fundamental and quantitative analysis with bottom-up stock picking approach to create its portfolio. It seeks to benchmarks the performance of its portfolio against a combination of the Barclays U.S. High-Yield Corporate Bond 2% Issuer Capped Index, MFS Charter Income Trust Blended Index, Barclays U.S. Credit Bond Index, Barclays U.S. Government/Mortgage Bond Index, Citigroup World Government Bond Non-Dollar Hedged Index, and JPMorgan Emerging Markets Bond Index Global. MFS Charter Income Trust was formed on July 20, 1989 and is domiciled in the United States.

MFS Multimarket Income Trust is a closed ended fixed income mutual fund launched and managed by MFS Investment Management, Inc. The fund invests in the fixed income markets across the globe with greater emphasis on United States. It seeks to invest in fixed income securities issued by U.S. Government, foreign government, mortgage backed, and other asset-backed securities of U.S. and foreign issuers, corporate bonds of U.S. and foreign issuers, and debt instruments of issuers located in emerging market countries with an average duration of 5.1 years. The fund employs fundamental analysis with bottom-up stock picking approach while focusing on factors such as underlying credit quality, collateral characteristics, and indenture provisions, and the issuer's management ability, capital structure, leverage, and ability to meet its current obligations. It seeks to benchmarks the performance of its portfolio against a combination of the Citigroup World Government Bond Non-Dollar Hedged Index, JPMorgan Emerging Markets Bond Index Global, Lehman Brothers U.S. Credit Bond Index, Lehman Brothers U.S. Government/Mortgage Bond Index, and Lehman Brothers U.S. High-Yield Corporate Bond Index. MFS Multimarket Income Trust was formed on March 12, 1987 and is domiciled in the Unites States.

MFS Municipal Income Trust is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in fixed income markets of the United States. It primarily invests in tax-exempt bonds and tax-exempt notes. The fund benchmarks the performance of its portfolio against Barclays Municipal Bond Index. MFS Municipal Income Trust was founded in November 25, 1986 and and is domiciled in United States.

Putnam Master Intermediate Income Trust is a closed ended fixed income mutual fund launched and managed by Putnam Investment Management, LLC. The fund is co-managed by Putnam Investments Limited. It invests in the fixed income markets of the United States. The fund invests in bonds of companies operating across diversified sectors. It benchmarks the performance of its portfolio against the Barclays Capital Government/Credit Bond Index. Putnam Master Intermediate Income Trust was formed on April 29, 1988 and is domiciled in the United States.

MFS High Income Municipal Trust is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in the fixed income markets. It primarily invests in municipal bonds and local general obligations of various sectors, such as multifamily, hospitals, care retirement, and investor-owned utilities. The fund benchmarks the performance of its portfolio against Barclays Municipal Bond Index. It was formerly known as Colonial High Income Municipal Trust. MFS High Income Municipal Trust was formed on February 17, 1989 and is domiciled in United States.

MFS Government Markets Income Trust is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in the fixed income markets of United States. It primarily invests in investment grade debt instruments. The fund also invests in mortgage backed, U.S. government agencies, international sovereigns, U.S. treasuries, cash and other net assets, emerging markets debt, high grade corporates, and residential mortgage backed securities. It benchmarks the performance of its portfolio against the Barclays U.S. Government/Mortgage Bond Index. MFS Government Markets Income Trust was formed in May 28, 1987 and is domiciled in the United States.

MFS Investment Grade Municipal is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in fixed income markets of the United States. It primarily invests in tax-exempt bonds and tax-exempt notes. The fund benchmarks the performance of its portfolio against Barclays Municipal Bond Index. MFS Investment Grade Municipal Trust was founded in May 16, 1989 and is domiciled in United States.

MFS Intermediate High Income Fund is a closed ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in fixed income markets of the United States. It primarily invests in high income debt instruments. The fund benchmarks the performance of its portfolio against Barclays U.S. High-Yield Corporate 2% Issuer Capped Index. It was formerly known as Colonial Intermediate High Income Fund. MFS Intermediate High Income Fund was founded in July 21, 1988 and is domiciled in United States.