Sullivan & Worcester LLP T 202 775 1200 1666 K Street, NW F 202 293 2275 Washington, DC 20006 www.sandw.com April 6, 2010 VIA EDGAR EDGAR Operations Branch Division of Investment Management Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Attention: Ms. Alison White Re: Met Investors Series Trust Post-Effective Amendment No. 33 to the Registration Statement SEC File Nos. 333-48456, 811-10183 Dear Ms. White: On behalf of Met Investors Series Trust (the "Registrant"), this letter supplements our April 2, 2010 letter to you responding to certain oral comments delivered on March 16, 2010 with respect to Post-Effective Amendment No. 33 to the Registrant's Registration Statement on Form N-1A (the "Registration Statement") filed pursuant to Rule 485(a) under the Securities Act of 1933 on February 9, 2010. General Comment 1. Comment: Please include the tax disclosure required by Item 7 of Form N-1A. Response: The Registrant has added the following statement under the newly-added heading "Tax Information" in the portfolio summary section of each of its series' prospectuses: "For information regarding the tax consequences of Contract ownership, please see the prospectus for the relevant Contract." * * * The Registrant acknowledges that: 1. it is responsible for the adequacy and accuracy of the disclosure in its filing of the above-referenced Registration Statement; 2. staff comments or changes to disclosure in response to staff comments in the filings reviewed by the staff do not foreclose the Securities and Exchange Commission from taking any action with respect to the filing; and 3. the Registrant may not assert staff comments as a defense in any proceeding initiated by the Securities and Exchange Commission or any person under the federal securities laws of the United States. * * * If you have any questions, please feel free to call me at (202) 775-1205. Very truly yours, /s/ Robert N. Hickey ----------------------------- Robert N. Hickey cc: John Connolly, Esq. Michael Lawlor, Esq.