This excerpt taken from the CHK 8-K filed Jun 13, 2007.
Item 5.03 Amendments to Articles of Incorporation or Bylaws.
Effective June 8, 2007, the Board of Directors of Chesapeake Energy Corporation (the Company) approved an amendment to the Companys Bylaws. The purpose of the amendment was to update the Stock Certificates section to specifically allow for direct registration of common stock shares. A copy of the Amended and Restated Bylaws is attached hereto as Exhibit 3.1.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.