Filed by: Federated MDT Series
Filed Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 of the Securities Act of 1934
Subject Company: Federated MDT Small Cap Core Fund
Commission File No. 811-21904
TheAltmanGroup
Shareholder Services
February 12, 2010
URGENT
Re: Your Investment With Federated MDT Funds
Dear Shareholder,
We have attempted to contact you numerous times regarding an important matter pertaining to your investment in one or more of the Federated MDT Funds.
Please contact me immediately at 1-866-521-4192 ext. 6453 – Monday through Friday 9 a.m. to 10 p.m. Eastern Time. This matter is very important, but will take only a moment of your time. The Altman Group has been engaged by Federated MDT Funds to contact you. This is not a scam and no personal information is required when calling.
Thank you in advance for your assistance with this matter.
![](https://capedge.com/proxy/425/0001318148-10-000387/form158.jpg)
Sincerely,
Frederick M. Bonnell
Shareholder Services
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The Altman Group, Inc., 60 East 42nd Street, New York, NY 10165