Kelly Hancock, Acting Comptroller of Public Accounts of the State of Texas and Ken Paxton, Attorney General of the State of Texas v. Championx, LLC

ACCEPTED
15-24-00111-CV
FIFTEENTH COURT OF APPEALS
AUSTIN, TEXAS
10/7/2025 3:38 PM
CHRISTOPHER A. PRINE
No. 15-24-00111-CV CLERK

In the Court of Appeals FILED IN
15th COURT OF APPEALS
AUSTIN, TEXAS

For the Fifteenth Judicial District 10/7/2025 3:38:58 PM
CHRISTOPHER A. PRINE

Austin, Texas
Clerk

Kelly Hancock, Acting Comptroller of Public Accounts
of the State of Texas and Ken Paxton, Attorney General
of the State of Texas,
Appellants,
v.
ChampionX, LLC,
Appellee.

On Appeal from the 419th District Court, Travis County, Texas
Cause No. D-1-GN-20-000139

APPELLANTS’ NOTICE OF CHANGE OF LEAD
APPELLATE COUNSEL

Appellants Kelly Hancock, Acting Comptroller of Public Accounts of the State

of Texas and Ken Paxton, Attorney General of the State of Texas, designate Eduardo

Montemayor whose signature and bar number appear below as lead counsel.

Eduardo Montemayor replaces Kyle Pierce Counce, who also appears below in

compliance with Texas Rule of Appellate Procedure 6.1(c).

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Respectfully submitted,

Ken Paxton
Attorney General of Texas
/s/ Eduardo Montemayor
Brent Webster Eduardo Montemayor
First Assistant Attorney General Assistant Attorney General
State Bar No. 24098128
Ralph Molina eduardo.montemayor@oag.texas.gov
Deputy First Assistant Attorney Tax Litigation Division MC 029
General P.O. Box 12548
Austin, Texas 78711-2548
Austin Kinghorn Telephone: (512) 463-1989
Deputy Attorney General for Civil Facsimile: (512) 478-4013
Litigation
Counsel for Appellants
Steven Robinson
Division Chief, Tax Litigation

Texas Rule of Appellate Procedure 6.1 Compliance

Former lead counsel for Appellants, Kyle Pierce Counce, signs in compliance
with Texas Rule of Appellate Procedure 6.1.

/s/ Kyle Pierce Counce____
KYLE PIERCE COUNCE

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Certificate of Service
I certify that a copy of this document was served on all counsel of record by e-
mail and/or e-service on October 7, 2025.

Deborah Sloan John M. Allan (pro hac vice)
dsloan@jonesday.com jmallan@jonesday.com
JONES DAY Antoinette L. Ellison (pro hace vice)
2727 N. Harwood Street aellison@jonesday.com
Suite 500 JONES DAY
Dallas, Texas 75201-1515 1221 Peachtree Street NE
Counsel for Appellee Suite 400
Atlanta, Georgia 30361
Counsel for Appellee

_/s/ Eduardo Montemayor_
EDUARDO MONTEMAYOR

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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.

Mary Lou Swanson on behalf of Eduardo Montemayor
Bar No. 24098128
marylou.swanson@oag.texas.gov
Envelope ID: 106559374
Filing Code Description: Other Document
Filing Description: 20251007 Notice of Change of Counsel EM
Status as of 10/7/2025 3:42 PM CST

Associated Case Party: ChampionX, LLC

Name BarNumber Email TimestampSubmitted Status

Deborah Sloan 786230 dsloan@jonesday.com 10/7/2025 3:38:58 PM SENT

Carla Dennis cydennis@jonesday.com 10/7/2025 3:38:58 PM SENT

John MAllan jmallan@jonesday.com 10/7/2025 3:38:58 PM SENT

Antoinette L.Ellison aellison@jonesday.com 10/7/2025 3:38:58 PM SENT

Associated Case Party: Ken Paxton, Attorney General of the State of Texas

Name BarNumber Email TimestampSubmitted Status

Kyle PierceCounce kyle.counce@oag.texas.gov 10/7/2025 3:38:58 PM SENT

Eduardo Montemayor Eduardo.Montemayor@oag.texas.gov 10/7/2025 3:38:58 PM SENT