MFS® Research Bond Fund

Distributions

Update daily as of 3/28/15

Terms and Definitions
Record Date Ex-Date Payable Date Type of Earnings Rate per Share (US$) Reinvestment NAV (US$)
2/27/15 2/27/15 3/2/15 Dividend 0.02300 11.01
1/30/15 1/30/15 2/2/15 Dividend 0.02400 11.08
12/31/14 12/31/14 12/31/14 Dividend 0.03175 10.90
12/11/14 12/11/14 12/11/14 Long Term Capital Gain 0.01560 10.90
12/11/14 12/11/14 12/11/14 Short Term Capital Gain 0.02670 10.90
11/28/14 11/28/14 12/1/14 Dividend 0.02400 10.99
10/31/14 10/31/14 11/3/14 Dividend 0.02400 10.95
9/30/14 9/30/14 10/1/14 Dividend 0.02550 10.89
8/29/14 8/29/14 9/2/14 Dividend 0.02550 11.01
7/31/14 7/31/14 8/1/14 Dividend 0.02650 10.92
6/30/14 6/30/14 7/1/14 Dividend 0.02750 10.98
5/30/14 5/30/14 6/2/14 Dividend 0.02750 10.98
4/30/14 4/30/14 5/1/14 Dividend 0.02900 10.89
3/31/14 3/31/14 4/1/14 Dividend 0.02900 10.82

Past performance is no guarantee of future results. Please consult your tax advisor for further information.

Fees and Charges %

Fees

Expense Ratio
Class A
Gross
0.87
Net
0.74

Gross Expense Ratio is the fund's total operating expense ratio from the fund's most recent prospectus.

Net Expense Ratio reflects the reduction of expenses from fee waivers and reimbursements. Elimination of these reductions will result in higher expenses and lower performance. These reductions will continue until at least December 31, 2015.

Sales Charge

Maximum Sales Charges
4.25%

Class A shares ("A") results include the maximum sales charge.

Price History

This publication is authorized for distribution only when preceded or accompanied by a prospectus, or summary prospectus, for the portfolio being offered. Consider the fund's investment objectives, risks, charges and expenses. Contact MFS or view online. Read it carefully.