ACCEPTED 03-14-00340-CV 4790566 THIRD COURT OF APPEALS AUSTIN, TEXAS 4/7/2015 2:04:04 PM JEFFREY D. KYLE CLERK Mayer Brown LLP South Wacker Drive Chicago, Illinois 60606-4637 FILED IN 3rd COURT OF MainAPPEALS Tel +1 312 782 0600 AUSTIN, Main TEXAS Fax +1 312 701 7711 April 7, 2015 www.mayerbrown.com 4/7/2015 2:04:04 PM JEFFREY D. KYLE Mike Sullivan ClerkDirect Tel +1 312 701 7251 Direct Fax +1 312 706 8689 Jeffrey D. Kyle, Clerk [email protected] Court of Appeals Third District of Texas P.O. Box 12547 Austin, TX 78711-2547 Re: Case No. 03-14-00340-CV Appellants, CPS Energy, Time Warner Cable Texas LLC and Southwestern Bell Telephone Company d/b/a AT&T/Cross Appellant, Public Utilitiy Commission of Texas v. Appellee, Public Utility Commission of Texas/Cross Appellee, CPS Energy, Time Warner Cable Texas LLC and Southwestern Bell Telephone Company d/b/a AT&T

Dear Mr. Kyle: Please remove Joseph E. Cosgrove, Jr. from your service list and update the service list with the following information for Appellant/Cross Appellee Southwestern Bell Telephone Company d/b/a AT&T in the above-styled case: J. David Tate Katherine C. Swaller Thomas Ballo AT&T Legal Department Congress Avenue, Suite 1100 Austin, Texas 78701 Phone: (512) 457-2304 Fax: (512) 870-3420 [email protected] [email protected] [email protected]

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Jeffrey D. Kyle, Clerk April 7, 2015 Page 2 Thank you for your assistance in this matter.

Sincerely, /s/ Michael T. Sullivan Michael T. Sullivan CERTIFICATE OF SERVICE I hereby certify that a true and correct copy of the foregoing Letter was served upon all parties listed below in accordance with local rules of Travis County, Texas, the Texas Rules of Civil Procedure, and the Texas rules of Appellate Procedure on this 7th day of April, 2015.

By: /s/ Michael T. Sullivan Michael T. Sullivan

LIST OF PARTIES PARTIES AND ATTORNEYS FOR Cause No. D-1-GN-13-001238 (Consolidated) Counsel for Public Utility Commission of Counsel for CPS Energy: Texas: Douglas Fraser Alfred R. Herrera Megan Neal HERRERA & BOYLE, PLLC Office of the Attorney General 816 Congress Avenue, Suite 1250 P.O. Box 12548, Capitol Station Austin, TX 78701 Austin, TX 78711-02548 Phone: (512) 474-1492 Phone: (512) 463-2012 Fax: (512) 474-2507 Fax: (512) 457-4610 [email protected] [email protected] [email protected] Counsel for CPS Energy: Counsel for AT&T Texas: Curt D. Brockmann Paul A. Drummond CPS Energy Natalie L. Hall Navarro AT&T Legal Department P.O. Box 1771 1010 N. St. Mary’s, 14th Floor San Antonio, TX 78296 San Antonio, TX 78215 Phone: (210) 353-5689 Phone: (210) 351-4830 Fax: (210) 353-6832 Fax: (210) 886-2127 [email protected] [email protected] [email protected] Counsel for AT&T Texas: Counsel for Time Warner Cable Texas LLC: J. David Tate Katherine C. Swaller Valerie P. Kirk Thomas Ballo Melissa Lorber AT&T Legal Department Enoch Kever PLLC Congress Avenue, Suite 1100 600 Congress Avenue, Suite 2800 Austin, Texas 78701 Austin, TX 78701 Phone: (512) 457-2304 Phone: (512) 615-1200 Fax: (512) 870-3420 Fax: (512) 615-1198 [email protected] [email protected] [email protected] [email protected] [email protected] Counsel for Time Warner Cable Texas LLC: J.D. Thomas J. Aaron George Sheppard Mullin Richter & Hampton LLP 2099 Pennsylvania Avenue, NW, Suite 100 Washington, DC 20006-6801 Phone: (202) 747-1900 Fax: (202) 747-1901 [email protected] [email protected]