CPS Energy, Time Warner Cable Texas LLC, and Southwestern Bell Telephone Company D/B/A AT&T// Public Utility Commission of Texas v. Public Utility Commission of Texas// Cross-Appellee, CPS Energy, Time Warner Cable Texas LLC and Southwestern Bell Telephone Company D/B/A AT&T

ACCEPTED 03-14-00340-CV 4642634 THIRD COURT OF APPEALS AUSTIN, TEXAS 3/25/2015 3:43:11 PM Sheppard, Mullin, Richter & Hampton LLP JEFFREY D. KYLE 2099 Pennsylvania Avenue, NW, Suite 100 CLERK Washington, D.C. 20006-6801 202.747.1900 main 202.747.1901 fax www.sheppardmullin.com FILED IN 3rd COURT OF APPEALS AUSTIN, TEXAS James A. George 202.747.2196 direct 3/25/2015 202.747.3849 fax 3:43:11 PM ageorge@sheppardmullin.com JEFFREY D. KYLE March 25, 2015 Clerk File Number: 0XNT-179232 Jeffrey D. Kyle Clerk of the Court P.O. Box 12547 Austin, Texas 78711-2547 Re: Appellants CPS Energy, Time Warner Cable Texas LLC, and Southwestern Bell Telephone Company d/b/a AT&T/Cross-Appellant, Public Utility 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: I am writing in response to the Court’s March 12, 2015 letter regarding oral argument. I will present oral argument on behalf of Appellant/Cross-Appellee Time Warner Cable Texas LLC. Respectfully yours, /s/ J. Aaron George J. Aaron George for SHEPPARD, MULLIN, RICHTER & HAMPTON LLP SMRH:204103233.1 cc: Counsel of Record Jeffrey D. Kyle March 25, 2015 Page 2 CERTIFICATE OF SERVICE I hereby certify that on this the 25th of March, 2015, a true and correct copy of the foregoing letter was filed and electronically served on the following counsel of record: By: /s/ Valerie P. Kirk Valerie P. Kirk Counsel for CPS Energy: Counsel for AT&T Texas: Curt D. Brockmann Paul A. Drummond CPS Energy Natalie L. Hall 145 Navarro Len G. Briley, Jr. P.O. Box 1771 AT&T Legal Department San Antonio, TX 78296 1010 N. St. Mary’s, 14th Floor Phone: (210) 353-5689 San Antonio, Texas 78215 Fax: (210) 353-6832 Phone: (210) 351-4830 cdbrockmann@cpsenergy.com Fax: (210) 886-2127 paul.drummond@att.com HERRERA & BOYLE, PLLC natalie.hall@att.com Alfred R. Herrera len.briley@att.com State Bar No. 09529600 aherrera@herreraboylelaw.com Joseph E. Cosgrove, Jr. Katherine C. Swaller 816 Congress Avenue, Suite 1250 Thomas Ballo Austin, Texas 78701 AT&T Legal Department (512) 474-1492 (Voice) 816 Congress Avenue, Suite (512) 474-2507 (Facsimile) 1100 Austin, Texas 78701 Phone: (512) 457-2304 Counsel for Public Utility Commission of Fax: (512) 870-3420 Texas: joseph.cosgrove.jr@att.com Douglas Fraser katherine.swaller@att.com Megan Neal thomas.ballo@att.com Kellie E. Billings-Ray Office of the Attorney General Michael T. Sullivan P.O. Box 12548, Capitol Station Mayer Brown LLP Austin, Texas 78711-02548 71 S. Wacker Drive Phone: (512) 463-2012 Chicago, IL 60606 Fax: (512) 457-4610 Phone: (312) 782-0600 douglas.fraser@texasattorneygeneral.gov Fax: (312) 706-8689 megan.neal@texasattorneygeneral.gov msullivan@mayerbrown.com kellie.billings-ray@texasattorneygeneral.gov