EXHIBIT 3(b) ARTICLES OF AMENDMENT TO THE RESTATED ARTICLES OF INCORPORATION OF WEST TEXAS UTILITIES COMPANY Pursuant to the provisions of the Texas Business Corporation Act, the undersigned corporation hereby amends its Articles of Incorporation, and for that purpose, submits the following statement: 1. The name of the corporation is: West Texas Utilities Company. 2. Article One of the Restated Articles of Incorporation is hereby amended so as to read as follows: The name of the Corporation shall be AEP Texas North Company. 3. The date of adoption of each amendment is: December 11, 2002. 4. The number of shares of the corporation outstanding at the time of adoption of the amendment was 5,490,327, and the number of shares entitled to vote thereon was 5,488,560. 5. The designation and number of outstanding shares of each class or series entitled to vote thereon as a class were as follows Class or Series Number of Outstanding Shares and Entitled to Vote Common Stock 5,488,560 Preferred 2,367 6. The Number of shares of the corporation voted for the amendment was 5,488,560. The number of shares of each class or series entitled to vote as a class or series voted for or against such amendment was as follows: Class or Series Number of Shares Number of Shares Voted For Voted Against Common Stock 5,488,560 0 7. The foregoing amendment will not effect a change in the amount of stated capital of the corporation. Date December 17, 2002 --------------------- By /s/ Thomas V. Shockley, III --------------------------------- Thomas V. Shockley, III, Vice President