SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                           --------------------------
                                  SCHEDULE TO
                                 (Rule 14D-100)
           Tender Offer Statement Under Section 14(d)(1) or 13(e)(1)
                     of the Securities Exchange Act of 1934
                           --------------------------

                                  DYNEGY INC.
                       (Name of Subject Company (Issuer))

                               Icahn Partners LP
                         Icahn Partners Master Fund LP
                        Icahn Partners Master Fund II LP
                       Icahn Partners Master Fund III LP
                         High River Limited Partnership
                             Hopper Investments LLC
                                 Barberry Corp.
                                Icahn Onshore LP
                               Icahn Offshore LP
                                Icahn Capital LP
                                   IPH GP LLC
                        Icahn Enterprises Holdings L.P.
                             Icahn Enterprises L.P.
                          Icahn Enterprises G.P. Inc.
                                 Beckton Corp.
                                 Carl C. Icahn
                      (Names of Filing Persons (Offerors))

                         Common Stock, Par Value $0.01
                         (Title of Class of Securities)

                                   26817G300
                     (CUSIP Number of Class of Securities)

                            Keith L. Schaitkin, Esq.
                             Deputy General Counsel
                                Icahn Capital LP
                          767 Fifth Avenue, 47th Floor
                            New York, New York 10153
                                 (212) 702-4380
 (Name, Address and Telephone Number of PersonAuthorized to Receive Notices and
                  Communications on behalf of Filing Persons)


                           CALCULATION OF FILING FEE

Transaction Valuation: Not applicable      Amount of Filing Fee:  Not applicable

/  /  Check  the  box  if  any  part  of  the  fee is offset as provided by Rule
0-11(a)(2) and identify the filing with which the offsetting fee was previously
paid. Identify the previous filing by registration statement number, or the Form
or Schedule and the date of its filing.

Amount previously paid: Not applicable              Filing Party: Not applicable
Form or registration no.: Not applicable              Date Filed: Not applicable

/X/ Check the box if the filing relates solely to preliminary communications
made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the
statement relates:


/X/     third-party tender offer subject to Rule 14d-1.
/ /     issuer tender offer subject to Rule 13e-4.
/ /     going-private transaction subject to Rule 13e-3.
/X/     amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results
of the tender offer: / /




On  December  15,  2010,  Icahn  Enterprises L.P. and Dynegy Inc. (the "Issuer")
issued  a  joint press release, a copy of which is filed as Exhibit 1 hereto and
is  incorporated  herein  by  reference.

On  December  15,  2010,  newly-formed subsidiaries (the "Merger Subs") of Icahn
Enterprises  Holdings  L.P.  entered  into  an Agreement and Plan of Merger with
the  Issuer (the "Merger Agreement") pursuant to which the Merger Subs agreed to
commence  an  offer  to purchase all of the outstanding shares of the Issuer and
merge  with the Issuer.  Stockholders of the Issuer will receive $5.50 per share
in  cash.  On  December  15,  2010, affiliates of Icahn Enterprises L.P. entered
into  a  Support  Agreement  with  Dynegy Inc. pursuant to which such affiliates
agreed to support the merger transactions by, among other things, not selling or
otherwise  disposing  of their shares to any third party and voting their shares
in  favor  of  any  competing  Subsequent  Transaction, as defined in the Merger
Agreement,  in which, among other things, the consideration paid to stockholders
of the Issuer is in excess of $5.50 per share in cash.  The Support Agreement is
filed  herewith  as  an  Exhibit  2  and  is  incorporated  herein by reference.


THE  ATTACHED  PRESS  RELEASE  IS  FOR  INFORMATIONAL PURPOSES ONLY AND DOES NOT
CONSTITUTE  AN  OFFER TO PURCHASE NOR A SOLICITATION FOR ACCEPTANCE OF THE OFFER
DESCRIBED  THEREIN.  THE  OFFER  WILL  BE  MADE  ONLY  PURSUANT  TO THE OFFER TO
PURCHASE,  LETTER  OF  TRANSMITTAL  AND RELATED MATERIALS THAT ICAHN ENTERPRISES
HOLDINGS  L.P. AND CERTAIN OF ITS AFFILIATES (THE "ICAHN GROUP") WILL DISTRIBUTE
TO  HOLDERS  OF  COMMON  STOCK  AFTER  THESE DOCUMENTS ARE FILED WITH THE SEC AS
EXHIBITS  TO  ITS SCHEDULE TO. HOLDERS OF COMMON STOCK SHOULD READ CAREFULLY THE
OFFER TO PURCHASE, LETTER OF TRANSMITTAL AND RELATED MATERIALS BECAUSE THEY WILL
CONTAIN  IMPORTANT  INFORMATION,  INCLUDING THE VARIOUS TERMS OF, AND CONDITIONS
TO,  THE  OFFER.  AFTER  THE  ICAHN  GROUP  FILES ITS SCHEDULE TO AND ASSOCIATED
EXHIBITS  WITH  THE  SEC,  HOLDERS OF COMMON STOCK MAY OBTAIN A FREE COPY OF THE
TENDER  OFFER  STATEMENT  ON  SCHEDULE  TO,  THE  OFFER  TO  PURCHASE, LETTER OF
TRANSMITTAL AND OTHER DOCUMENTS THAT THE ICAHN GROUP WILL BE FILING WITH THE SEC
AT  THE  SEC'S  WEB  SITE  AT  WWW.SEC.GOV.