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Filing Detail
Form 497 - Definitive materials:
SEC Accession No. 0000912938-08-000268
Filing Date
2008-04-01 09:29:02
Effectiveness Date

Document Format Files

Seq Description Document Type Size
1 STICKER mcf.txt 497 10250
  Complete submission text file 0000912938-08-000268.txt   13601

Series and Classes/Contracts Information:

  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 MCRVX
Class/Contract C000002185   R2 MCRLX
Class/Contract C000002186   R3 MCRMX
Class/Contract C000002187   R4 MCRJX
Class/Contract C000002188   R5 MCRKX
Class/Contract C000002189   529A MACXX
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: 497 | Act: 33 | File No.: 033-07638 | Film No.: 08727473