*0 FILED IN 3rd COURT OF APPEALS AUSTIN, TEXAS 3/25/2015 2:54:56 PM JEFFREY D. KYLE Clerk

*1 ACCEPTED 03-14-00130-CV 4640690 THIRD COURT OF APPEALS AUSTIN, TEXAS WINSTEAD 3/25/2015 2:54:56 PM Austin Charlotte Dallas Fort Worth Houston New Orleans San Antonio The Woodlands Washington, D.C. JEFFREY D. KYLE CLERK direct dial: 512.370.2807 dseal@winstead.com March 25, 2015 Via E-filimg The Hon. Jeffrey D. Kyle Clerk, Third Court of Appeals 209 W. 14 th Street, Room 101 Price Daniel, Sr. Building Austin, Texas 78701 Re: Court of Appeals Number: 03-14-00130-CV

Trial Court Case Number; B-l-GN-13-000678 Style: Sierra Club and Public Citizen v. Texas Commission on Environmental Quality and

Southwestern Electric Power Company Dear Mr. Kyle: This case has been set for oral argument on May 6, 2015, at 1:30 p.m. before Justices Puryear, Pemberton and Bourland. I intend to argue the case before the Court on behalf of Southwestern Electric Power Company. Please let me know if you need additional information. Derek Seal DS/cm cc: Eric Allmon, Attorneys for Sierra Club & Public Citizen

Anthony C. Grigsby, Attorneys for the Texas Commission on Environmental Quality W I N S T E A D P C | A T T O R N E Y S