0001133228-26-006578.txt : 20260427 0001133228-26-006578.hdr.sgml : 20260427 20260427110315 ACCESSION NUMBER: 0001133228-26-006578 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20260427 DATE AS OF CHANGE: 20260427 EFFECTIVENESS DATE: 20260427 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MML BAY STATE VARIABLE ANNUITY SEPARATE ACCOUNT 1 CENTRAL INDEX KEY: 0000921025 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 033-76920 FILM NUMBER: 26897594 BUSINESS ADDRESS: STREET 1: 100 BRIGHT MEADOW BOULEVARD CITY: ENFIELD STATE: CT ZIP: 06082 BUSINESS PHONE: 413-744-7723 MAIL ADDRESS: STREET 1: 1295 STATE STREET STREET 2: M243 CITY: SPRINGFIELD STATE: MA ZIP: 01111

0000921025 S000007816 MML BAY STATE VARIABLE ANNUITY SEPARATE ACCOUNT 1

C000021292 LifeTrust

497 1 mmlt-efp23987_497.htm MML BAY STATE VARIABLE ANNUITY SEPARATE ACCOUNT 1

Supplement dated April 27, 2026

to the Prospectuses dated May 1, 2004, as supplemented, for:

LifeTrust

Issued by Massachusetts Mutual Life Insurance Company in CA, CT, MA, ME, NY, TX, and VA,

and MML Bay State Life Insurance Company in all other states

THIS SUPPLEMENT MUST BE READ IN CONJUNCTION WITH YOUR PROSPECTUS.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE.

This supplement amends certain information in the above-referenced Prospectuses:

Fund Name Changes

Effective April 24, 2026, the following funds were renamed:

Old Fund Name	New Fund Name
MML Blend Fund	MML VIP BlackRock^® Balanced Fund
MML Equity Fund	MML VIP Franklin Templeton Equity Fund
MML Fundamental Equity Fund	MML VIP Invesco Main Street Equity Fund
MML Global Fund	MML VIP Invesco Global Fund
MML Invesco Discovery Large Cap Fund	MML VIP Invesco Discovery Large Cap Fund
MML Invesco Discovery Mid Cap Fund	MML VIP Invesco Discovery Mid Cap Fund
MML Managed Bond Fund	MML VIP Barings Core Bond Fund
MML U.S. Government Money Market Fund	MML VIP Barings U.S. Government Money Market Fund

If you have questions about this supplement, or other product questions, you may contact your registered representative, visit us online at www.MassMutual.com/contact-us, or call our Administrative Office at (800) 272-2216 (8 a.m.–8 p.m. Eastern Time).

For more information about the funds, read each fund prospectus. Prospectuses are available by going to www.MassMutual.com.

page 1 of 1

PS25_85

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