Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
ICAHN CARL C
  2. Issuer Name and Ticker or Trading Symbol
ENERGEN CORP [EGN]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Potential Group Member
(Last)
(First)
(Middle)
C/O ICAHN ASSOCIATES HOLDING LLC, 767 FIFTH AVE., SUITE 4700
3. Date of Earliest Transaction (Month/Day/Year)
08/13/2018
(Street)

NEW YORK, NY 10153
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock ("Shares") 08/13/2018   P   200,000 A $ 71.57 6,917,066 I please see footnotes (1) (4) (5) (6) (7) (8) (9)
Shares 08/14/2018   P   249,316 A $ 73.01 7,166,382 I please see footnotes (2) (4) (5) (6) (7) (8) (9)
Shares 08/15/2018   P   500,000 A $ 76.63 7,666,382 I please see footnotes (3) (4) (5) (6) (7) (8) (9)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ICAHN CARL C
C/O ICAHN ASSOCIATES HOLDING LLC
767 FIFTH AVE., SUITE 4700
NEW YORK, NY 10153
      Potential Group Member
HIGH RIVER LIMITED PARTNERSHIP
445 HAMILTON AVENUE
SUITE 1210
WHITE PLAINS, NY 10601
    X    
ICAHN PARTNERS LP
445 HAMILTON AVENUE
SUITE 1210
WHITE PLAINS, NY 10601
    X    
ICAHN PARTNERS MASTER FUND LP
445 HAMILTON AVENUE
SUITE 1210
WHITE PLAINS, NY 10601
    X    

Signatures

 CARL C. ICAHN   08/15/2018
**Signature of Reporting Person Date

 HIGH RIVER LIMITED PARTNERSHIP   08/15/2018
**Signature of Reporting Person Date

 ICAHN PARTNERS LP   08/15/2018
**Signature of Reporting Person Date

 ICAHN PARTNERS MASTER FUND LP   08/15/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On August 13, 2018, High River Limited Partnership ("High River") purchased 40,000 Shares, Icahn Partners LP ("Icahn Partners") purchased 93,714 Shares and Icahn Partners Master Fund LP ("Icahn Master") purchased 66,286 Shares, in each case at a price of $71.57 per Share.
(2) On August 14, 2018, High River purchased 49,863 Shares, Icahn Partners purchased 116,823 Shares and Icahn Master purchased 82,630 Shares, in each case at a price of $73.01 per Share.
(3) On August 15, 2018, High River purchased 100,000 Shares, Icahn Partners purchased 234,286 Shares and Icahn Master purchased 165,714 Shares, in each case at a price of $76.63 per Share.
(4) High River directly beneficially owns 1,533,276 Shares, Icahn Partners directly beneficially owns 3,580,562 Shares, and Icahn Master directly beneficially owns 2,552,544 Shares.
(5) Barberry Corp. ("Barberry"), is the sole member of Hopper Investments LLC ("Hopper"), which is the general partner of High River. Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.
(6) Each of Barberry and Beckton is 100 percent owned by Carl C. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of High River, Icahn Partners and Icahn Master. Each of Hopper, Barberry and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which High River owns. Each of Hopper, Barberry and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein.
(7) Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which Icahn Partners owns. Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein.
(8) Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which Icahn Master owns. Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein.
(9) The above reporting persons controlled by Carl C. Icahn may no longer be considered a 10% beneficial owner because they may no longer be deemed to be members of a "group" (within the meaning of Section 13(d)(3) of the Act), with Corvex Management LP ("Corvex") and Mr. Keith Meister (together with Corvex, the "Corvex Persons"). Subject to Footnote 7 of the Form 3 filed by the Reporting Persons on June 18, 2018, none of the reporting persons has any pecuniary interest in any Shares beneficially owned by any of the Corvex Persons, and each of the reporting persons disclaims beneficial ownership of such Shares. The Corvex Persons have filed a separate Form 3 with respect to their interests.

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