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<PAGE> PAGE 14
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<PAGE> PAGE 24
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<PAGE> PAGE 29
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<PAGE> PAGE 31
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<PAGE> PAGE 33
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<PAGE> PAGE 41
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<PAGE> PAGE 42
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<PAGE> PAGE 43
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<PAGE> PAGE 44
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<PAGE> PAGE 45
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<PAGE> PAGE 46
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<PAGE> PAGE 47
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<PAGE> PAGE 48
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<PAGE> PAGE 50
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<PAGE> PAGE 51
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<PAGE> PAGE 52
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<PAGE> PAGE 54
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<PAGE> PAGE 55
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<PAGE> PAGE 56
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<PAGE> PAGE 57
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<PAGE> PAGE 60
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<PAGE> PAGE 62
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<PAGE> PAGE 63
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<PAGE> PAGE 64
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<PAGE> PAGE 65
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<PAGE> PAGE 66
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<PAGE> PAGE 67
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<PAGE> PAGE 68
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<PAGE> PAGE 69
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<PAGE> PAGE 70
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<PAGE> PAGE 71
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<PAGE> PAGE 72
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<PAGE> PAGE 73
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<PAGE> PAGE 74
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SIGNATURE JAMES O. YOST
TITLE ASSISTANT TREASURER
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS BLUE CHIP FUND - CLASS A
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<TABLE> <S> <C>
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NUMBER> 092
<NAME> MFS BLUE CHIP FUND - CLASS I
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<S> <C>
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<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000798244
<NAME> MFS SERIES TRUST I
<SERIES>
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<NAME> MFS CORE GROWTH FUND CLASS A
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<TABLE> <S> <C>
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
<SERIES>
<NUMBER> 062
<NAME> MFS CORE GROWTH FUND CLASS I
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<S> <C>
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<TABLE> <S> <C>
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
<SERIES>
<NUMBER> 101
<NAME> MFS CONVERTIBLE SECURITIES FUND - CLASS A
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
<SERIES>
<NUMBER> 102
<NAME> MFS CONVERTIBLE SECURITIES FUND - CLASS I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
<SERIES>
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<NAME> MFS EQUITY INCOME FUND - CLASS A
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS EQUITY INCOME FUND - CLASS B
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<NAME> MFS SERIES TRUST I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS EQUITY INCOME FUND - CLASS I
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<S> <C>
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<TABLE> <S> <C>
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS WORLD ASSET ALLOCATION FUND - CLASS A
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<TABLE> <S> <C>
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS WORLD ASSET ALLOCATION FUND - CLASS B
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<TABLE> <S> <C>
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS WORLD ASSET ALLOCATION FUND - CLASS I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS CASH RESERVE FUND-CLASS A
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<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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<NAME> MFS CASH RESERVE FUND-CLASS C
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<NAME> MFS SERIES TRUST I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS RESEARCH GROWTH AND INCOME FUND - CLASS A
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<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS RESEARCH GROWTH AND INCOME FUND - CLASS I
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS RESEARCH INTERNATIONAL FUND CLASS A
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<CIK> 0000798244
<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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<NAME> MFS RESEARCH INTERNATIONAL FUND CLASS I
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<NAME> MFS SERIES TRUST I
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<NAME> MFS SERIES TRUST I
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