Exhibit 99.1 MILLS MUSIC TRUST C/O HSBC BANKS U.S.A. 66 HUDSON BLVD EAST NEW YORK, NY 10001 September 23, 2026 Quarterly Distribution Report No. 247 To the holders (the “Unit Holders”) of Trust Certificates representing interests (the “Trust Units”) in Mills Music Trust (the “Trust”): This Quarterly Distribution report relates to the payment received by the Trust from Sony Music Publishing (“Sony EMI”) during the third quarter of 2026, in respect of the contingent portion payment attributable to royalty income generated by the Trust’s copyright catalogue in the second quarter of 2026 (the “Q2 2026 Contingent Portion Payment”). The Trust received approximately $684,729 ($2.4656 per Trust Unit) for the Q2 2026 Contingent Portion Payment, as compared to $512,648 ($1.8460 per Trust Unit) for the contingent portion payment attributable to royalty income generated by the Trust’s copyright catalogue in the second quarter of 2025. After receiving the Q2 2026 Contingent Portion Payment, the Trust paid $111,347 to third party advisors and professionals providing services to the Trust in connection with invoices rendered to the Trust, leaving an aggregate balance of $573,382 ($2.064…
Open exhibit ↗Current Report · Items 8.01, 9.01 · 8-K
MILLS MUSIC TRUST
Other Events
Item 8.01 Other Events. On September 23, 2026, Mills Music Trust issued a report to its Unit Holders containing computation details regarding the payment it received attributable to the second quarter of 2026. The full text of the report is included as Exhibit 99.1 to this Current Report on Form 8-K.
Disclosure sections
Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events.
On September 23, 2026, Mills Music Trust issued a report to its Unit Holders containing computation details regarding the payment it received attributable to the second quarter of 2026. The full text of the report is included as Exhibit 99.1 to this Current Report on Form 8-K.