MFS Series Trust XII
09/02/2026 | Press release | Distributed by Public on 09/02/2026 07:04
Prospectus Certification by Investment Company (Form 497J)
111 Huntington Avenue, Boston, Massachusetts 02199
617-954-5000
September 2, 2026
VIA EDGAR
United States Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
Re: MFS® Series Trust XII (the "Trust") (File Nos. 333-126328 and 811-21780) on behalf of MFS® Core Bond Fund, MFS® Lifetime® Income Fund, MFS® Lifetime® 2030 Fund, MFS® Lifetime® 2035 Fund, MFS® Lifetime® 2040 Fund, MFS® Lifetime® 2045 Fund, MFS® Lifetime® 2050 Fund, MFS® Lifetime® 2055 Fund, MFS® Lifetime® 2060 Fund, and MFS® Lifetime® 2065 Fund (the "Funds")
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, please accept this letter on behalf of the Trust as certification that the Prospectuses and the Statement of Additional Information for the Funds do not differ from those contained in Post-Effective Amendment No. 79 (the "Amendment") to the Trust's Registration Statement on Form N-1A. The Amendment was filed electronically on August 27, 2026.
Please call the undersigned at (617) 954-5843 or David Gilblair at (617) 954-5574 with any questions you may have.
Sincerely,
/s/BRIAN E. LANGENFELD
Brian E. Langenfeld
Vice President and Managing Counsel
MFS Series Trust XII published this content on September 02, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on September 02, 2026 at 13:04 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]