424B3 1 d270180d424b3.txt METLIFE TARGET MATURITY METLIFE INSURANCE COMPANY OF CONNECTICUT T-MARK METLIFE TARGET MATURITY REGISTERED FIXED ACCOUNT OPTION FIXED ANNUITY SUPPLEMENT DATED DECEMBER 16, 2011 TO THE PROSPECTUS DATED APRIL 28, 2011 METLIFE RETIREMENT ACCOUNT LIQUIDITY BENEFIT SUPPLEMENT DATED DECEMBER 16, 2011 TO THE PROSPECTUS DATED APRIL 29, 2011 The Company filed a Form 8-K on December 9, 2011 via EDGAR File No. 033-03094. The Form 8-K is incorporated by reference into the Prospectus. We are not incorporating by reference, in any case, any documents or information deemed to have been furnished and not filed in accordance with SEC rules. This supplement should be read in its entirety and kept together with your prospectus for future reference. Please contact us at the following telephone numbers, if you have any questions: T-Mark - 1-800-343-8496 MetLife Target Maturity - 1-800-343-8496 Registered Fixed Account Option - 1-800-842-9406 Fixed Annuity - 1-800-842-9406 MetLife Retirement Account Liquidity Benefit - 1-800-842-9406 Certain terms used in this supplement have special meanings. If a term is not defined in this supplement, it has the meaning given to it in the Prospectus. Books 27, 28, 29, 74 and 144 December 16, 2011