<PAGE>
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No. )
Filed by the Registrant |X| Filed by a Party other than the Registrant |_|
Check the appropriate box:
|_| Preliminary Proxy Statement
|_| Definitive Proxy Statement
|X| Definitive Additional Materials
|_| Soliciting Material Pursuant to Section 240.14a-11(c) or Section 240.14a-12
|_| Confidential for Use of the Commission Only (as permitted by Rule
14a-6(e)(2))
THE MFS SERIES TRUST
(Name of Registrant as Specified in its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
Payment of Filing Fee (Check the appropriate box):
|X| No Fee required
|_| Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
1) Title of each class of securities to which transaction applies:
2) Aggregate number of securities to which transaction applies:
3) Per unit price or other underlying value of transaction computed
pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the
filing fee is calculated and state how it was determined):
4) Proposed maximum aggregate value of transaction:
5) Total fee paid:
|_| Fee paid previously with preliminary materials.
|_| Check box if any part of the fee is offset as provided by Exchange Act Rule
0-11(a)(2) and identify the filing for which the offsetting fee was paid
previously. Identify the previous filing by registration statement number,
or the Form or Schedule and the date of its filing.
1) Amount Previously Paid:
2) Form, Schedule or Registration Statement No.:
3) Filing Party:
4) Date Filed:
<PAGE>
MFS AGGRESSIVE SMALL CAP EQUITY FUND
Dear Shareholder:
Please accept our thanks for sending in your WHITE Proxy Card.
To avoid the possibility of the validity of your WHITE Proxy Card being
challenged or disqualified for the reasons(s) indicated below, we are requesting
that you sign, date and mail the enclosed new WHITE Proxy Card with the
correction indicated below in the self-addressed envelope provided for your
convenience. This WHITE Proxy Card will automatically revoke any previous WHITE
Proxy Card when it is returned to us.
|_| Your previous WHITE Proxy was unsigned. (If signing as attorney,
executor, administrator, personal representative of the estate,
corporate officer, partner, trustee, custodian or guardian, please sign
and give your full title as such.)
|_| Your previous WHITE Proxy was undated. (Please date, sign and return
the new proxy in the enclosed envelope.)
|_| Your previous WHITE Proxy omitted your title or authority. (If signing
as attorney, executor, administrator, personal representative of the
estate, corporate officer, partner, trustee, custodian or guardian,
please sign and give your full title as such.)
|_| Your previous WHITE Proxy, as signed, did not conform to the name shown
on the Proxy. (Please date and sign this WHITE Proxy Card exactly as
the registration appears on the proxy, including your full title if
signing other than in an individual capacity.) If the registration is
in the name of a custodian for the benefit of a minor, the custodian
must sign and indicate their capacity. If you are a beneficiary 18
years or older, you may sign as long as you indicate your age.
|_| Your previous WHITE Proxy, as marked, did not clearly specify your
instructions. Please sign, date and clearly mark your proxy.
|_| Other ____________________________________________________________
__________________________________________________________________
Since time is of the essence, we would greatly appreciate your signing, dating
and mailing the enclosed WHITE Proxy Card as soon as possible. Please mail it in
the envelope provided for your convenience. Once again, we greatly appreciate
your support.
Sincerely,
MFS AGGRESSIVE SMALL CAP EQUITY FUND
