ACCEPTED 15-24-00118-CV FIFTEENTH COURT OF APPEALS AUSTIN, TEXAS 12/11/2025 5:04 PM No. 15-24-00118-CV CHRISTOPHER A. PRINE ____________________________________________________________________________________________________________________________________ CLERK COURT OF APPEALS FOR THE FILED IN 15th COURT OF APPEALS FIFTEENTH DISTRICT OF TEXAS AUSTIN, TEXAS AUSTIN, TEXAS 12/11/2025 5:04:32 PM ____________________________________________________________________________________________________________________________________ CHRISTOPHER A. PRINE Clerk Aspire Power Ventures, LP, Appellant, v. Public Utility Commission of Texas, Electric Reliability Council of Texas, Thomas Gleeson, Lori Cobos, Jimmy Glotfelty, Kathleen Jackson, and Courtney Hjaltman, Appellees. _________________________________________________________________ On Appeal from the 345th Judicial District Court Travis County, Texas Cause No. D-1-GN-24-003384 Hon. Catherine A. Mauzy, Presiding ____________________________________________________________________________________________________________________________________

UNOPPOSED MOTION FOR LEAVE TO WITHDRAW ____________________________________________________________________________________________________________________________________

Chrysta L. Castañeda Monica Latin Texas Bar No. 15325625 Brent M. Rubin [email protected] Ken Carroll Nicole Michael CARRINGTON, COLEMAN, THE CASTAÑEDA FIRM SLOMAN & BLUMENTHAL, L.L.P. N. St. Paul, Suite 2030 901 Main Street, Suite 5500 Dallas, Texas 75201 Dallas, Texas 75202 Phone: (214) 282-8579 Phone: (214) 855-3000 Fax: (214) 602-9187 Fax: (214) 580-2641 Attorneys for Appellant Aspire Power Ventures, LP Chrysta L. Castañeda and Nicole Michael move this Court for leave for themselve and The Castañeda Firm to withdraw from this case as counsel for Appellant Aspire Power Ventures, LP (“Aspire”).

Monica W. Latin, an attorney of record in this case, is designated as lead counsel for the appeal, replacing Chrysta L. Castañeda in that role.

1. Aspire Power Ventures, LP (“Aspire”) is currently represented in this matter by Chrysta L. Castañeda and Nicole Michael of the The Castañeda Firm and Monica W. Latin, Brent M. Rubin, and Ken Carroll, of the law firm Carrington Coleman Sloman & Blumenthal, L.L.P. Chrysta L. Castañeda is currently lead counsel for Aspire in this appeal. Chrysta L. Castañeda is retiring from the practice of law by the end of this year, at which time The Castañeda Firm will cease operations.

2. Monica W. Latin, Brent M. Rubin, Ken Carroll, and the law firm Carrington Coleman Sloman & Blumenthal, L.L.P. will continue as counsel for Appellant Aspire in this matter. Aspire is designating Monica W. Latin as lead counsel for this appeal, replacing Chrysta L.

Castañeda in that role. Pursuant to Texas Rule of Appellate Procedure

6.5(d), the necessary information for Monica W. Latin is provided in the signature block below.

CONCLUSION Chrysta L. Castañeda and Nicole Michael respectfully pray that this Court issue an order granting leave for them and The Castañeda Firm to withdraw as counsel of record for Appellant Aspire.

Respectfully submitted, /s/ Chrysta L. Castañeda /s/ Monica Latin Chrysta L. Castañeda Monica Latin Texas Bar No. 15325625 Texas Bar No. 00787881 [email protected] [email protected] Nicole Michael Brent M. Rubin Texas Bar No. 24067767 Texas Bar No. 24086834 [email protected] [email protected] THE CASTAÑEDA FIRM Ken Carroll N. St. Paul, Suite 2030 Texas Bar No. 03888500 Dallas, Texas 75201 [email protected] Phone: (214) 282-8579 CARRINGTON, COLEMAN, Fax: (214) 602-9187 SLOMAN & BLUMENTHAL, L.L.P. Main Street, Suite 5500 Dallas, Texas 75202 Phone: (214) 855-3000 Fax: (214) 580-2641 Attorneys for Appellant Aspire Power Ventures, LP

CERTIFICATE OF CONFERENCE I, the undersigned attorney, hereby certify to the Court that I have conferred with Appellee’s counsel regarding the above motion who have indicated that Appellees are not opposed to the relief sought in the motion.

/s/ Chrysta L. Castañeda Chrysta L. Castañeda

CERTIFICATE OF SERVICE ON COUNSEL The undersigned hereby certifies that on December 11, 2025, a true and correct copy of the foregoing document was electronically filed with the Court and served on all counsel of record through the eFiling Service Provider pursuant to the Texas Rules of Civil Procedure.

/s/ Ken Carroll Ken Carroll

CERTIFICATE OF SERVICE ON APPELLANT Pursuant to Tex. R. App. P. 6.5(b), the undersigned also certifies that a copy of this Unopposed Motion for Leave to Withdraw was sent by certified and first-class mail to Appellant Aspire Power Ventures, LP at its last known address, as reflected below, on December 11, 2025: Barry Hammond Jr., Aspire Power Ventures, LP 1302 Waugh Drive #539 Houston, Texas, 777019

/s/ Ken Carroll Ken Carroll

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.

Ken Carroll on behalf of Ken Carroll Bar No. 3888500 [email protected] Envelope ID: 109013348 Filing Code Description: Motion Filing Description: Unopposed Motion for Leave to Withdraw Status as of 12/12/2025 7:23 AM CST Case Contacts Name BarNumber Email TimestampSubmitted Status Mark Little [email protected] 12/11/2025 5:04:32 PM SENT Macey Stokes [email protected] 12/11/2025 5:04:32 PM SENT David Laurent [email protected] 12/11/2025 5:04:32 PM SENT Laura Courtney [email protected] 12/11/2025 5:04:32 PM SENT George Fibbe [email protected] 12/11/2025 5:04:32 PM SENT Patrick Leahy [email protected] 12/11/2025 5:04:32 PM SENT Brent M.Rubin [email protected] 12/11/2025 5:04:32 PM SENT Ken Carroll [email protected] 12/11/2025 5:04:32 PM SENT Elliot Clark [email protected] 12/11/2025 5:04:32 PM SENT Elin Isenhower [email protected] 12/11/2025 5:04:32 PM SENT John Hulme [email protected] 12/11/2025 5:04:32 PM SENT James ScottMcCarley [email protected] 12/11/2025 5:04:32 PM SENT Chrysta L.Castaneda [email protected] 12/11/2025 5:04:32 PM SENT Nicole Michael [email protected] 12/11/2025 5:04:32 PM SENT Monica Latin [email protected] 12/11/2025 5:04:32 PM SENT Amanda AtkinsonCagle [email protected] 12/11/2025 5:04:32 PM SENT Jordan Pratt [email protected] 12/11/2025 5:04:32 PM SENT