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 *
KALMAN FRANCIS S
   2. Issuer Name and Ticker or Trading Symbol
MCDERMOTT INTERNATIONAL INC [MDR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
(Last)
(First)
(Middle)
C/O MCDERMOTT INTERNATIONAL, INC., 777 N. ELDRIDGE PKWY.		 3. Date of Earliest Transaction (Month/Day/Year)
09/20/2007
(Street)

HOUSTON, TX 77079		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 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 09/20/2007   M(1)   15,700 A $ 3.0033 272,254 (2) D  
Common Stock 09/20/2007   S(1)   15,700 D (3) 256,554 (2) D  
Common Stock               4,422 (4) I 401(K) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Option (Right to Buy) $ 3.0033 (5) 09/20/2007   M(1)     15,700   (6) 03/18/2014 Common Stock 15,700 $ 0 0 (5) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KALMAN FRANCIS S
C/O MCDERMOTT INTERNATIONAL, INC.
777 N. ELDRIDGE PKWY.
HOUSTON, TX 77079		       Executive Vice President  

Signatures

 Robert E. Stumpf, by power of attorney   09/24/2007
**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) The sales and underlying exercise reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 25, 2006.
(2) The reporting person's ownership of common stock has been adjusted to refect the 2-for-1 stock split that occurred on September 10, 2007.
(3) The stock was sold in multiple transactions at the following prices: 989 shares @ $52.53; 111 shares @ $52.60; 100 shares @ $52.61; 700 shares @ $52.62; 1300 shares @ $52.63; 100 shares @ $52.64; 100 shares @ $52.67; 2000 shares @ $52.68; 458 shares @ $52.69; 342 shares @ $52.70; 300 shares @ $52.71; 800 shares @ $52.72; 550 shares @ $52.73; 900 shares @ $52.82; 600 shares @ $52.83; 100 shares @ $52.85; 1000 shares @ $52.86; 500 shares @ $52.88; 500 shares @ $52.92; 900 shares @ $52.95; 100 shares @ $52.96; 800 shares @ $52.97; 1000 shares @ $52.98; 800 shares @ $53.01; 650 shares @ $ 53.02.
(4) Based upon units held in 401K Plan and the fair market value of MDR common stock as of September 20, 2007.
(5) This option was originally reported as covering 63,700 shares at an exercise price of $9.01 per share but has been adjusted to reflect the 3-for-2 stock split that occurred on May 31, 2006 and the 2-for-1 stock split that occurred on September 10, 2007.
(6) The option vested in three equal installments on March 18, 2005, 2006 and 2007.

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