497 1 sticker.htm MFS GLOBAL ALTERNATIVE STRATEGY FUND
 
SUPPLEMENT TO THE PROSPECTUS
The date of this supplement is March 3, 2017.


MFS® Global Alternative Strategy Fund
Effective March 1, 2017, the sub-section entitled "Portfolio Manager(s)" under the main heading entitled "Summary of Key Information" is restated in its entirety as follows:
Portfolio Manager(s)
Portfolio Manager
Since
Title
Ben Nastou
2014
Investment Officer of MFS
Natalie Shapiro
2007
Investment Officer of MFS
José Ignacio Andrés
March 2017
Investment Officer of UBS
Nathan Shetty
March 2017
Investment Officer of UBS

Effective March 1, 2017, the sub-section entitled "Portfolio Manager(s)" under the main heading entitled "Management of the Fund" is restated in its entirety as follows:
Portfolio Manager(s)
Information regarding the portfolio manager(s) of the fund is set forth below. Further information regarding the portfolio manager(s), including other accounts managed, compensation, ownership of fund shares, and possible conflicts of interest, is available in the fund's SAI.

Portfolio Manager
Primary  Role
Five Year History
Ben Nastou
MFS Portfolio Manager, General Oversight of a Team of Investment Professionals Responsible  for Security Selection
Employed in the investment  area of MFS since 2001
Natalie Shapiro
MFS Portfolio Manager, General Oversight of a Team of Investment Professionals Responsible for Security Selection
Employed in the investment area of MFS since 1997
José Ignacio Andrés
UBS Portfolio Manager, General Oversight of a Team of Investment Professionals Responsible for Managing Asset Class, Market and Currency Exposure
Employed in the investment area of UBS since 2008
Nathan Shetty
UBS Portfolio Manager, General Oversight of a Team of Investment Professionals Responsible for Managing Asset Class, Market and Currency Exposure
Employed in the investment area of UBS since October 2014; Head of the Investment Solutions Group and a portfolio manager at Mesirow Financial from 2011 to October 2014.

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