Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Cusack Charles E III
2. Date of Event Requiring Statement (Month/Day/Year)
05/05/2008
3. Issuer Name and Ticker or Trading Symbol
PETROHAWK ENERGY CORP [HK]
(Last)
(First)
(Middle)
1000 LOUISIANA, SUITE 5600
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President - Exploration
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HOUSTON, TX 77002
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 77,364
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) 01/12/2007(1) 01/12/2016 Common Stock 40,000 $ 14.07 D  
Stock Option (right to buy) 08/11/2007(2) 08/11/2016 Common Stock 16,900 $ 10.23 D  
Stock Option (right to buy) 01/26/2005 01/26/2015 Common Stock 25,000 $ 8.51 D  
Stock Appreciation Rights 03/02/2008(3) 03/02/2017 Common Stock 16,000 $ 11.64 D  
Stock Option (right to buy) 07/12/2005 07/12/2014 Common Stock 25,000 $ 7.5 D  
Stock Option (right to buy) 02/28/2009(4) 02/28/2018 Common Stock 11,800 $ 18.08 D  
Warrant (right to buy) 05/25/2004 05/25/2009 Common Stock 32,196 $ 3.3 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Cusack Charles E III
1000 LOUISIANA, SUITE 5600
HOUSTON, TX 77002
      Vice President - Exploration  

Signatures

Travis L. Counts, Attorney in Fact 05/14/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) The stock options vest annually with 13,333 having vested January 12, 2007, 13,333 having vested January 12, 2008 and 13,334 vesting January 12, 2009.
(2) The stock options vest annually with 5,633 having vested August 11, 2007, 5,633 vesting August 11, 2008 and 5,634 vesting August 11, 2009.
(3) The stock appreciation rights vest annually with 5,333 having vested March 2, 2008, 5,333 vesting March 2, 2009 and 5,334 vesting March 2, 2010.
(4) The stock options vest annually with 3,933 vesting February 28, 2009, 3,933 vesting February 28, 2010 and 3,934 vesting February 28, 2011.

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