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
kohanlon@808west.com
O’Hanlon, Demerath, & Castillo
808 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
910 Louisiana
OFFICE OF THE ATTORNEY GENERAL
Houston, Texas 77002
GENERAL LITIGATION DIVISION
T: 713.229.1241
P.O. Box 12548, Capitol Station
ben.geslison@bakerbotts.com
Austin, Texas 78711-2548
T: 214-290-8803
Zachary.rhines@oag.texas.gov

/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
lohrstrom@808west.com
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 ben.geslison@bakerbotts.com 9/9/2025 3:51:33 PM SENT

Kevin OHanlon kohanlon@808west.com 9/9/2025 3:51:33 PM SENT

Zachary Rhines 24116957 zachary.rhines@oag.texas.gov 9/9/2025 3:51:33 PM SENT

Lea Ohrstrom lohrstrom@808west.com 9/9/2025 3:51:33 PM SENT