1 unchanged sentence
10b5-1 Trading Plans.
−Removed: During the three months ended June 30, 2025, no officer or employee of the Trustee who performs policy-making
+Added: During the three months ended September 30, 2025, no officer or employee of the Trustee who performs policy-making
functions for the Royalty Trust adopted, modified, or terminated any Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement,
6 unchanged sentences
the undersigned thereunto duly authorized.
−Removed: Coast Ultra Deep Royalty Trust
−Removed: Bank of New York Mellon
−Removed: Company, N.A., as Trustee
−Removed: August 13, 2025
+Added: Gulf Coast Ultra Deep Royalty Trust
+Added: The Bank of New York Mellon
+Added: Trust Company, N.A., as Trustee
+Added: November 12, 2025
Registrant, Gulf Coast Ultra Deep Royalty Trust, has no principal executive officer, principal financial officer, controller or chief
5 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.