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Filing Detail
Form N-CSR - Certified Shareholder Report:
SEC Accession No. 0001193125-10-241081
Filing Date
2010-10-29
Accepted
2010-10-29 14:38:05
Documents
65
Period of Report
2010-08-31
Effectiveness Date
2010-10-29

Document Format Files

Seq Description Document Type Size
1 MFS SERIES TRUST I N-CSR dncsr.htm N-CSR 6121627
2 CODE OF ETHICS dex9912a1.htm EX-99.(12)(A)(1) 26884
3 SECTION 302 CERTIFICATIONS dex99cert.htm EX-99.CERT 19809
4 SECTION 906 CERTIFICATIONS dex99906cert.htm EX-99.906CERT 7526
5 GRAPHIC g15692ernst_youngllp.jpg GRAPHIC 8676
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10 GRAPHIC g15692g31p85.jpg GRAPHIC 3844
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13 GRAPHIC g15692g95j87.jpg GRAPHIC 12089
14 GRAPHIC g39109ernst_youngllp.jpg GRAPHIC 8676
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16 GRAPHIC g39109g10p54.jpg GRAPHIC 7604
17 GRAPHIC g39109g25l54.jpg GRAPHIC 845
18 GRAPHIC g39109g31p85.jpg GRAPHIC 3844
19 GRAPHIC g39109g50a22.jpg GRAPHIC 37199
20 GRAPHIC g39109g55k68.jpg GRAPHIC 198365
21 GRAPHIC g39109g75k80.jpg GRAPHIC 11280
22 GRAPHIC g39109g95j87.jpg GRAPHIC 12089
23 GRAPHIC g39772ernst_youngllp.jpg GRAPHIC 8676
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25 GRAPHIC g39772g10p54.jpg GRAPHIC 7604
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30 GRAPHIC g39772g75k80.jpg GRAPHIC 11280
31 GRAPHIC g39772g95j87.jpg GRAPHIC 12089
32 GRAPHIC g72007ernst_youngllp.jpg GRAPHIC 8676
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57 GRAPHIC g80123g75k80.jpg GRAPHIC 11280
58 GRAPHIC g80123g95j87.jpg GRAPHIC 12089
59 GRAPHIC g84994g10p54.jpg GRAPHIC 7604
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65 GRAPHIC g84994g95j87.jpg GRAPHIC 12089
  Complete submission text file 0001193125-10-241081.txt   9031656

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000762   MFS Cash Reserve Fund
Class/Contract C000002179   A MSRXX
Class/Contract C000002180   529B MRBXX
Class/Contract C000002181   529C MRCXX
Class/Contract C000002182   B MCRXX
Class/Contract C000002183   C MCCXX
Class/Contract C000002184   R1 CRVXX
Class/Contract C000002186   R2 CRMXX
Class/Contract C000002187   R3 CRJXX
Class/Contract C000002188   R4 CRKXX
Class/Contract C000002189   529A MACXX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000763   MFS Core Equity Fund
Class/Contract C000002190   A MRGAX
Class/Contract C000002191   R4 MRGJX
Class/Contract C000002192   B MRGBX
Class/Contract C000002193   C MRGCX
Class/Contract C000002194   I MRGRX
Class/Contract C000002196   R1 MRGGX
Class/Contract C000002198   R2 MRERX
Class/Contract C000002199   R3 MRGHX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000764   MFS Core Growth Fund
Class/Contract C000002200   A MFCAX
Class/Contract C000002201   R4 MFCJX
Class/Contract C000002202   B MFCBX
Class/Contract C000002203   C MFCCX
Class/Contract C000002204   I MFCIX
Class/Contract C000002206   R1 MFCGX
Class/Contract C000002208   R2 MCRRX
Class/Contract C000002209   R3 MFCHX
Class/Contract C000034435   Class W Shares MFCWX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000765   MFS New Discovery Fund
Class/Contract C000002210   A MNDAX
Class/Contract C000002211   R4 MNDJX
Class/Contract C000002212   529A EANDX
Class/Contract C000002213   529B EBNDX
Class/Contract C000002214   529C ECNDX
Class/Contract C000002215   B MNDBX
Class/Contract C000002216   C MNDCX
Class/Contract C000002217   I MNDIX
Class/Contract C000002219   R1 MNDGX
Class/Contract C000002221   R2 MNDRX
Class/Contract C000002222   R3 MNDHX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000766   MFS Research International Fund
Class/Contract C000002223   A MRSAX
Class/Contract C000002224   R4 MRSJX
Class/Contract C000002225   529A EARSX
Class/Contract C000002226   529B EBRIX
Class/Contract C000002227   529C ECRIX
Class/Contract C000002228   B MRIBX
Class/Contract C000002229   C MRICX
Class/Contract C000002230   I MRSIX
Class/Contract C000002232   R1 MRSGX
Class/Contract C000002234   R2 MRSRX
Class/Contract C000002235   R3 MRSHX
Class/Contract C000034436   Class W Shares MRIWX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000768   MFS Technology Fund
Class/Contract C000002249   A MTCAX
Class/Contract C000002250   R4 MTCJX
Class/Contract C000002251   B MTCBX
Class/Contract C000002252   C MTCCX
Class/Contract C000002253   I MTCIX
Class/Contract C000002255   R1 MTCKX
Class/Contract C000002257   R2 MTERX
Class/Contract C000002258   R3 MTCHX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000769   MFS Value Fund
Class/Contract C000002259   A MEIAX
Class/Contract C000002260   R4 MEIJX
Class/Contract C000002261   529A EAVLX
Class/Contract C000002262   529B EBVLX
Class/Contract C000002263   529C ECVLX
Class/Contract C000002264   B MFEBX
Class/Contract C000002265   C MEICX
Class/Contract C000002266   I MEIIX
Class/Contract C000002268   R1 MEIGX
Class/Contract C000002270   R2 MVRRX
Class/Contract C000002271   R3 MEIHX
Class/Contract C000033014   Class W Shares MEIWX
Mailing Address 500 BOYLSTON ST 15TH FLOOR BOSTON MA 02116
Business Address 500 BOYLSTON ST 15 TH FL BOSTON MA 02116 18006372929
MFS SERIES TRUST I (Filer) CIK: 0000798244 (see all company filings)

IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1130
Type: N-CSR | Act: 40 | File No.: 811-04777 | Film No.: 101151305