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 *
BROWN ROBERT C MD
  2. Issuer Name and Ticker or Trading Symbol
LSB INDUSTRIES INC [LXU]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3433 NW 56TH STREET
3. Date of Earliest Transaction (Month/Day/Year)
08/22/2007
(Street)

OKLAHOMA CITY, OK 73112
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 08/22/2007   S   1,000 D $ 22.01 111,516 I By Trust and Spouse's Trust (1)
Common Stock 08/23/2007   S   1,000 D $ 22 110,516 I By Trust and Spouse's Trust (1)
Common Stock 08/23/2007   S   1,000 D $ 22.04 109,516 I By Trust and Spouse's Trust (1)

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
Nonqualified Stock Option (2) $ 1.25             07/08/1999 07/08/2009 Common Stock 15,000   15,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BROWN ROBERT C MD
3433 NW 56TH STREET
OKLAHOMA CITY, OK 73112
  X      

Signatures

 Robert C. Brown, M.D.   08/24/2007
**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) These shares were originally held by the reporting person's spouse, and are now held in a joint account owned by the Zelda F. Brown Rev. Trust, DTD 08/27/99, of which the reporting person is settlor trustee, and the Robert C. Brown Rev. Trust, DTD 08/27/99, of which the reporting person's spouse is settlor and trustee.
(2) Nonqualified Stock Option ("NQSO") to purchase shares of Issuer's Common Stock granted pursuant to the Issuer's Outside Directors Stock Option Purchase Plan (the "1999 Plan"). NQSOs granted under both the 1999 Plan may be exercised at any time after six months from the date the NQSO was granted. To the extent not exercised, the NQSO granted under the 1999 Plan terminates (i) upon the tenth anniversary of the date the NQSO was granted, (ii) three years after the cessation of the optionee as a member of the Board of Directors of the Issuer, or (iii) upon the surrender of the Non-Qualified Stock Option Agreement dated July 9, 1999, for cancellation of the NQSO.

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