497 1 d439413d497.htm MET INVESTORS SERIES TRUST Met Investors Series Trust


5 Park Plaza, Suite 1900

Irvine, California 92614


December 10, 2012

EDGAR Operations Branch

Division of Investment Management

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549


Re: Met Investors Series Trust (the “Trust”)

Files No. 333-48456

CIK – 0001126087

Ladies and Gentlemen:

Pursuant to Rule 497 under the Securities Act of 1933, enclosed is the interactive data file that mirrors the risk/return summary information in the supplement dated November 20, 2012 to the prospectus dated April 30, 2012 for the Lazard Mid Cap Portfolio (currently, MLA Mid Cap Portfolio), a series of the Trust, filed under Rule 497(e) on November 20, 2012.

Any questions or comments with respect to this filing may be directed to the undersigned at (617) 578-4036.


Very truly yours,
  /s/ Michael P. Lawlor
  Michael P. Lawlor



cc: John L. Chilton, Esq.