FORM OF INVESTMENT ADVISORY AGREEMENTInvestment Advisory Agreement • May 24th, 2011 • MFS Series Trust Xiii
Contract Type FiledMay 24th, 2011 CompanyINVESTMENT ADVISORY AGREEMENT, dated this day of , 2011, by and between MFS SERIES TRUST XIII, a Massachusetts business trust (the “Trust”), on behalf of its series of shares (the “Fund”) listed on Appendix A attached hereto, and MASSACHUSETTS FINANCIAL SERVICES COMPANY, a Delaware corporation (the “Adviser”).