DYNEGY INC. (NYSE:DYN) Files An 8-K Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Item 5.03. Amendments to Articles of Incorporation or
Bylaws; Change in Fiscal Year.

On March1, 2017, the Board of Directors (the Board) of
Dynegy Inc. (Dynegy) approved and adopted the Dynegy Inc.
Seventh Amended and Restated Bylaws (the Seventh Amended and
Restated Bylaws). The Seventh Amended and Restated Bylaws
became effective immediately upon their adoption by the Board and
amended and restated the Dynegy Inc. Sixth Amended and Restated
Bylaws in their entirety.

Sections 15(A)and 15(B)of ArticleII of the Seventh Amended and
Restated Bylaws expand the information, representations and
agreements that a stockholder must provide or make to Dynegy when
submitting a director nomination or stockholder proposal for
consideration at an upcoming stockholders meeting. In addition,
the Seventh Amended and Restated Bylaws make certain other
clarifications and conforming changes.

The foregoing description of the Seventh Amended and Restated
Bylaws is not complete and is subject to, and qualified in its
entirety by reference to, the full text of the Seventh Amended
and Restated Bylaws, a copy of which is attached as Exhibit3.1
hereto and the terms of which are incorporated herein by
reference.

Item 9.01. Financial Statements and
Exhibits.

(d)Exhibits.

DYNEGY INC. (NYSE:DYN) Recent Trading Information

DYNEGY INC. (NYSE:DYN) closed its last trading session up +0.17 at 8.29 with 2,881,683 shares trading hands.