Exhibit 3.3 ARTICLES OF AMENDMENT TO THE AMENDED AND RESTATED ARTICLES OF INCORPORATION OF MAVERICK REINCORPORATION SUB, INC. TO THE SECRETARY OF STATE OF THE STATE OF IOWA: Pursuant to the provisions of Sections 490.1001 and 490.1003, and in accordance with Section 490.1006, of the Iowa Business Corporation Act, the undersigned corporation hereby adopts the following Articles of Amendment to the corporation's Amended Restated Articles of Incorporation. 1. The name of the corporation is Maverick Reincorporation Sub, Inc. 2. Article I of the Amended and Restated Articles of Incorporation is hereby amended by deleting "Maverick Reincorporation Sub, Inc." and substituting therefor "MidAmerican Energy Holdings Company." 3. The date of adoption of the amendment was March 12, 1999. 4A. The amendment was approved by the sole shareholder. The designation, number of outstanding shares, number of votes entitled to be cast by each voting group entitled to vote separately on the amendment, and the number of votes of each voting group indisputably represented is as follows: Voting Shares Entitled Number Group Outstanding to Vote of Votes Common 10 10 10 4B. The total number of undisputed votes cast for the amendment by each voting group are as follows: Total Votes of Total Votes of Voting Group Shares Voted For Shares Voted Against Common 10 0 5. The number of votes cast for the amendment by each voting group was sufficient for approval by that voting group. 6. These Articles of Amendment shall become effective at the time of filing with the Secretary of State of Iowa. MAVERICK REINCORPORATION SUB, INC. s/s Steven A. McArthur______________ Steven A. McArthur Senior Vice President and Secretary Dated: March 12, 1999