HUGOTON ROYALTY TRUST — fact timeline

HUGOTON ROYALTY TRUST dismissed Grant Thornton LLP as its auditor.

“On April 16, 2026, Hugoton Royalty Trust (the “Trust”) dismissed Grant Thornton LLP (“GT”) as its independent registered public accounting firm.”

HUGOTON ROYALTY TRUST engaged Grant Thornton LLP as its auditor.

“On June 17, 2025, Argent Trust Company, as Trustee (the "Trustee") of Hugoton Royalty Trust (the "Trust"), approved the engagement of Grant Thornton LLP ("Grant Thornton") as the Trust’s new independent registered public accounting firm for the Trust’s fiscal year ending December 31, 2025.”

HUGOTON ROYALTY TRUST dismissed PricewaterhouseCoopers LLP as its auditor.

“On May 13, 2025, Hugoton Royalty Trust (the “Trust”) dismissed PricewaterhouseCoopers LLP (“PwC”) as its independent registered public accounting firm.”

HUGOTON ROYALTY TRUST: Modified Article VI, Section 6.08 of the trust indenture to lower minimum capital requirement for a successor trustee to $15 million (effective 2023-04-04).

“On April 4, 2023, upon request of Simmons Bank, as trustee (the “Trustee”) of Hugoton Royalty Trust (the “Trust”) and a unitholder of the Trust, the District Court of Tarrant County, Texas, 236th Judicial District approved an order modifying the third sentence of Article VI, Section 6.08 of the Trust’s indenture so that it permits a successor trustee of the Trust to have capital, surplus and undivided profits of not less than Fifteen Million Dollars ($15,000,000).”

HUGOTON ROYALTY TRUST shareholders approved Approval of adjournment of the Special Meeting, if necessary, to permit solicitation of additional proxies at the 2023-02-23 meeting.

“Proposal to approve the adjournment of the Special Meeting, if necessary or appropriate, to permit solicitation of additional proxies in favor of the above proposals, was approved by the following vote: For Against Abstain Broker Non-Votes 27,197,495 786,429 317,533 0”

HUGOTON ROYALTY TRUST shareholders rejected Amendment to Trust Indenture to permit a trust company with capital, surplus and undivided profits of at least $15,000,000 to serve as successor trustee at the 2023-02-23 meeting.

“Proposal to approve an amendment to the Trust Indenture to permit a trust company which has a capital, surplus and undivided profits (as of the end of its last fiscal year prior to its appointment) of at least $15,000,000 to serve as trustee of the Trust, was not approved by the following vote: For Against Abstain Broker Non-Votes 27,180,296 936,904 184,260 0”

HUGOTON ROYALTY TRUST shareholders approved Appointment of Argent Trust Company as successor trustee at the 2023-02-23 meeting.

“Proposal to approve the appointment of Argent Trust Company as successor trustee to serve as trustee of the Trust once the resignation of Simmons Bank, the current Trustee of the Trust, takes effect, was approved by the following vote: For Against Abstain Broker Non-Votes 27,421,862 732,941 146,659 0”