13D Filing: Corvex Capital and Energen Corporation (EGN)

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Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
CORVEX MANAGEMENT 7,413,386 0 7,413,386 0 7,413,386 7.6%
KEITH MEISTER 7,413,386 0 7,413,386 0 7,413,386 7.6%

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Page 1 of 6 – SEC Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 2)*

ENERGEN
CORPORATION

(Name of Issuer)

COMMON STOCK, $0.01 PAR VALUE

(Title of Class of Securities)

29265N108

(CUSIP Number)

Keith Meister

Patrick J. Dooley, Esq.

Corvex Management LP

667
Madison Avenue

New York, NY 10065

(212) 474-6700

Jeffrey L. Kochian

Akin
Gump Strauss Hauer & Feld LLP

One Bryant Park

New York, NY 10036

(212)
872-8069

(Name, Address and Telephone Number of Person Authorized to Receive Notices and
Communications)

June 26, 2017

(Date of Event Which Requires Filing of this Statement)

If the filing person has
previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e),
240.13d-1(f) or 240.13d-1(g), check the following box.   ☐

Note: Schedules filed in paper format shall
include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information
which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be
deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act
(however, see the Notes).

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Page 2 of 6 – SEC Filing


CUSIP No. 29265N108
  1.

Name of Reporting Person:

CORVEX MANAGEMENT LP

  2.

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ☐        (b)  ☒

  3.

SEC Use Only:

  4.

Source of Funds (See
Instructions):

AF

  5.

Check if Disclosure of Legal
Proceedings Is Required Pursuant to Items 2(d) or 2(e):

  6.

Citizenship or Place of
Organization:

DELAWARE

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With

  7.

Sole Voting Power:

7,413,386*

  8.

Shared Voting Power:

0

  9.

Sole Dispositive Power:

7,413,386*

10.

Shared Dispositive Power:

0

11.

Aggregate Amount Beneficially Owned by Each Reporting Person:

7,413,386*

12.

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

13.

Percent of Class Represented by Amount
in Row (11):

7.6%*

14.

Type of Reporting Person (See
Instructions):

PN, IA

(*) See Item 5.

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Page 3 of 6 – SEC Filing


CUSIP No. 29265N108

  1.

Name of Reporting Person:

KEITH MEISTER

  2.

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ☐        (b)  ☒

  3.

SEC Use Only:

  4.

Source of Funds (See
Instructions):

AF

  5.

Check if Disclosure of Legal
Proceedings Is Required Pursuant to Items 2(d) or 2(e):

  6.

Citizenship or Place of
Organization:

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With

  7.

Sole Voting Power:

7,413,386*

  8.

Shared Voting Power:

0

  9.

Sole Dispositive Power:

7,413,386*

10.

Shared Dispositive Power:

0

11.

Aggregate Amount Beneficially Owned by Each Reporting Person:

7,413,386*

12.

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

13.

Percent of Class Represented by Amount
in Row (11):

7.6%*

14.

Type of Reporting Person (See
Instructions):

IN, HC

(*) See Item 5.

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Page 4 of 6 – SEC Filing


This Amendment No. 2 supplements the information set forth in the Schedule 13D filed by Corvex Management LP
and Keith Meister with the United States Securities and Exchange Commission (the SEC) on May 31, 2017, as previously amended (the Schedule 13D), relating to the shares of common stock, par value $0.01 per share (the
Shares), of Energen Corporation, an Alabama corporation (the Issuer). Capitalized terms used but not defined herein shall have the meanings ascribed to them in the Schedule 13D.

The information set forth in response to each separate Item below shall be deemed to be a response to all Items where such information is relevant. The
Schedule 13D is supplementally amended as follows.

Item 3. Source and Amount of Funds or Other Consideration

The Reporting Persons used the working capital of the Corvex Funds to purchase the 6,998,186 Shares reported herein and to acquire the call options referenced
in Item 5. The total purchase price for the Shares reported herein was approximately $369,348,586 and the purchase price to acquire such call options was approximately $1,269,972.

Various of the Reporting Persons may effect purchases of securities through margin accounts maintained for the Corvex Funds with brokers, which extend margin
credit as and when required to open or carry positions in their margin accounts, subject to applicable federal margin regulations, stock exchange rules and such firms credit policies. Positions in Shares may be held in margin accounts and may
be pledged as collateral security for the repayment of debit balances in such accounts.

Item 4. Purpose of Transaction

On June 27, 2017, the Reporting Persons delivered a letter (the Letter) to the Issuers Board of Directors (the Board). In
the Letter, the Reporting Persons expressed their disappointment with the Issuers announced decision to continue with its status quo business plan without first conducting a road show with shareholders to solicit shareholder views on the best
path forward for the Issuers business and empowering financial advisers to investigate potential strategic alternatives as the Reporting Persons had previously suggested. The Reporting Persons state in the Letter that they believe the Issuer
did not conduct a substantive review of alternatives to maximize shareholder value before making the decision to move forward with its current business plan. The Reporting Persons urge the Board to re-examine
its conclusions as to the best direction for the Issuer after receiving feedback from engaging in a road show with shareholders independent of management and meeting directly with the Reporting
Persons.

The foregoing description of the Letter does not
purport to be complete and is qualified in its entirety by reference to the full text of the Letter, which is filed as Exhibit 4 and is incorporated herein by reference.

The Reporting Persons intend to review their investment in the Issuer on a continuing basis and may from time to time and at any time in the future depending
on various factors, including, without limitation, the Issuers financial position and strategic direction, actions taken by the Board, price levels of the Shares, other investment opportunities available to the Reporting Persons, conditions in
the securities market and general economic and industry conditions, take such actions with respect to their investments in the Issuer as they deem appropriate. These actions may include, without limitation: (i) acquiring additional Shares
and/or other equity, debt, notes, other securities, or derivative or other instruments that are convertible into Shares, or are based upon or relate to the value of the Shares or the Issuer (collectively, Securities) in the open market
or otherwise; (ii) disposing of any or all of their Securities in the open market or otherwise; (iii) engaging in any hedging or similar transactions with respect to the Securities; or (iv) proposing or considering one or more of the
actions described in subsections (a) through (j) of Item 4 of Schedule 13D.

Item 5. Interest in Securities of the Issuer

(a)-(b) Corvex may be deemed to be the beneficial owner of 6,998,186 Shares and 415,200 Shares underlying the call options referenced below in this
Item 5, which collectively represent approximately 7.6% of the Issuers outstanding Shares. By virtue of his position as control person of the general partner of Corvex, Mr. Meister may be considered to beneficially own such Shares.
The Reporting Persons may be deemed to have sole power to vote and sole power to dispose of 7,413,386 Shares.

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Page 5 of 6 – SEC Filing


The percentage calculated in the immediately foregoing paragraph is calculated based on a total of 97,188,418
Shares outstanding as of May 1, 2017, as reported in the Issuers Quarterly Report on Form 10-Q filed with the SEC on May 9, 2017.

On June 26, 2017, Corvex exercised over-the-counter market American-style
call options with an expiration date of May 31, 2018, referencing an aggregate of 5,508,364 Shares at an exercise price of $36.50 per Share (which resulted in the termination of corresponding over-the-counter market European-style put options referencing an aggregate of 5,508,364 Shares at an exercise price of $36.50 previously sold by Corvex).

In addition, Corvex has acquired listed American-style call options referencing an aggregate of 415,200 Shares, which have an exercise price of $50 per Share
and expire on October 20, 2017. Corvex also has sold listed American-style call options referencing an aggregate of 415,200 Shares at an exercise price of $60 per Share, which expire on October 20, 2017, and has sold listed American-style
put options referencing an aggregate of 415,200 Shares at an exercise price of $40 per Share, which expire on January 19, 2018.

(c) Except as set
forth in Exhibit 5 attached hereto or previously disclosed in the Schedule 13D, as amended, there have been no transactions in the Shares during the sixty days prior to the date hereof by any of the Reporting Persons.

(d) The limited partners of (or investors in) each of the private investment funds for which Corvex or its affiliates acts as general partner and/or
investment adviser have the right to participate in the receipt of dividends from, or proceeds from the sale of, the Shares held for the accounts of their respective funds in accordance with their respective limited partnership interests (or
investment percentages) in their respective funds.

(e) Not applicable.

Item 7. Material to be Filed as Exhibits

Exhibit 4
Letter to the Board of Directors of Energen Corporation, dated June 27, 2017

Exhibit 5 Transactions in the Shares effected in the past
60 days

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Page 6 of 6 – SEC Filing


SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: June 27, 2017

CORVEX MANAGEMENT LP

By:

/s/ Keith Meister

Keith Meister

Managing Partner

Date: June 27, 2017

KEITH MEISTER

By:

/s/ Keith Meister

Keith Meister

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