ENGIE IR Holdings LLC and Hamlin Collegiate Independent School District v. Glenn Hegar, Texas Comptroller of Public Accounts

ACCEPTED 15-24-00058-CV FIFTEENTH COURT OF APPEALS AUSTIN, TEXAS 9/9/2025 3:51 PM 15-24-00058-CV CHRISTOPHER A. PRINE CLERK IN THE COURT OF APPEALS FOR THE15th COURT FILED IN OF APPEALS FIFTEENTH JUDICIAL DISTRICT OF TEXAS AT EASTLAND AUSTIN, TEXAS 9/9/2025 3:51:33 PM CHRISTOPHER A. PRINE ENGIE IR HOLDINGS LLC Clerk AND HAMLIN COLLEGIATE INDEPENDENT SCHOOL DISTRICT, Appellants, v. GLENN HEGAR, TEXAS COMPTROLLER OF PUBLIC ACCOUNTS, Appellee.

ON APPEAL FROM THE 39TH JUDICIAL DISTRICT COURT OF STONEWALL COUNTY, TEXAS CAUSE NO. 4764 ________________________________________________________________________ Appellant Hamlin Collegiate ISD’s Notice of Change of Lead Counsel, Appearance, and Withdrawal ________________________________________________________________________ TO THE HONORABLE FIFTEENTH COURT OF APPEALS: Pursuant to Rule 6.1(c) of the Texas Rules of Appellate Procedure, Appellant Hamlin Collegiate Independent School District files this Notice of Change of Lead Counsel, Appearance, and Withdrawal.

Kevin O’Hanlon of O’Hanlon, Demerath & Castillo hereby enters his appearance as lead counsel for Appellant Hamlin Collegiate Independent School District. Mr. O’Hanlon is replacing Mr. David Campbell as lead counsel as Mr. Campbell is no longer with O’Hanlon, Demerath & Castillo.

Respectfully submitted, /s/ Kevin O’Hanlon Kevin O’Hanlon Texas Bar No. 15235500 [email protected] O’Hanlon, Demerath, & Castillo West Avenue Austin, Texas 78701 Tel. (512) 494-9949 Fax (512) 494-9919 Counsel for Appellant Hamlin Collegiate ISD

APPELLANT HAMLIN COLLEGIATE’S NOTICE OF CHANGE OF LEAD COUNSEL, APPEARANCE, AND WITHDRAWAL PAGE 2 OF 3 CERTIFICATE OF SERVICE A true and correct copy of the foregoing has been served on the below counsel of record for all parties via e-filing on this 9th day of September, 2025.

Counsel for Appellee Glenn Hegar, Counsel for Appellant ENGIE IR Texas Comptroller of Public Accounts: Holdings LLC Benjamin A. Geslison Zachary L. Rhines State Bar No. 24074269 Assistant Attorney General Louisiana OFFICE OF THE ATTORNEY GENERAL Houston, Texas 77002 GENERAL LITIGATION DIVISION T: 713.229.1241 P.O. Box 12548, Capitol Station [email protected] Austin, Texas 78711-2548 T: 214-290-8803 [email protected]

/s/ Kevin O’Hanlon Kevin O’Hanlon

APPELLANT HAMLIN COLLEGIATE’S NOTICE OF CHANGE OF LEAD COUNSEL, APPEARANCE, AND WITHDRAWAL PAGE 3 OF 3 Automated Certificate of eService This automated certificate of service was created by the efiling system.

The filer served this document via email generated by the efiling system on the date and to the persons listed below. The rules governing certificates of service have not changed. Filers must still provide a certificate of service that complies with all applicable rules.

Lea Ohrstrom on behalf of Kevin O'Hanlon Bar No. 15235500 [email protected] Envelope ID: 105403604 Filing Code Description: Other Document Filing Description: Notice of Lead Counsel Change, Appearance and Withdrawal Status as of 9/9/2025 3:57 PM CST Case Contacts Name BarNumber Email TimestampSubmitted Status Benjamin A.Geslison [email protected] 9/9/2025 3:51:33 PM SENT Kevin OHanlon [email protected] 9/9/2025 3:51:33 PM SENT Zachary Rhines 24116957 [email protected] 9/9/2025 3:51:33 PM SENT Lea Ohrstrom [email protected] 9/9/2025 3:51:33 PM SENT