MFS Series Trust I: MFS Core Equity Fund - Class A

The investment seeks capital appreciation. The fund normally invests at least 80% of the fund's net assets in equity securities. It may invest the fund's assets in the stocks of companies the adviser believes to have above average earnings growth potential compared to other companies (growth companies), in the stocks of companies the adviser believes are undervalued compared to their perceived worth (value companies), or in a combination of growth and value companies.