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 *
SBL, LLC
   2. Issuer Name and Ticker or Trading Symbol
LSB INDUSTRIES INC [LXU] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
P O BOX 705		 3. Date of Earliest Transaction (Month/Day/Year)
03/04/2013
(Street)

OKLAHOMA CITY, OK 73102		 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 03/04/2013   S   65,150 D $ 38.02 (5) 1,835,604 (7) D (1) (2)  
Common Stock 03/05/2013   S   34,850 D $ 38.78 (6) 1,800,754 (7) D (1) (2)  
Common Stock 04/12/2012   G   5,400 D $ 0 1,795,354 (7) D (1) (2)  

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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
Series B Preferred (3)               (3)   (3) Common Stock 533,333   16,000 D (1) (2)  
Series D Preferred (4)               (4)   (4) Common Stock 250,000   1,000,000 D (1) (2)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SBL, LLC
P O BOX 705
OKLAHOMA CITY, OK 73102		     X    

Signatures

 Jack E. Golsen, Manager   03/06/2013
**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) SBL, LLC ("SBL") is owned by Golsen Family, L.L.C. ("GFLLC") (49%), Barry Golsen, a director and the president of the Issuer (17%), Steven Golsen, a director of the Issuer and an executive officer of a subsidiary of the Issuer (17%), and Jack E. Golsen's daughter, Linda F. Rappaport (17%). Golsen Petroleum Corporation ("GPC") is a wholly owned subsidiary of SBL. The amount shown in Table I includes 1,511,399 shares owned by SBL and 283,955 shares owned directly by GPC, and the amount shown in Table II includes 12,000 shares of the Issuer's Series B Preferred owned by SBL and 4,000 shares of the Issuer's Series B Preferred owned directly by GPC. Voting and dispositive power over the securities held by SBL and GPC is possessed by Jack E. Golsen, who is the chief executive officer and chairman of the board of the Issuer, and Barry H. Golsen, a director and the president of the Issuer.
(2) GFLLC is owned by Jack E. Golsen, chief executive officer and chairman of the board of the Issuer, through his revocable trust (43.516%) and through another trust (43.516%), his sons, Barry Golsen (4.323%), and Steven Golsen (4.323%), and his daughter, Linda Rappaport (4.323%).
(3) Each share of the Issuer's Series "B" 12% Cumulative Preferred Stock is convertible, at the option of the holder into 33.3333 shares of the Issuer's common stock. Each share is convertible as long as such is outstanding.
(4) The Issuer's Series "D" 6% Cumulative, Convertible Class C Preferred Stock is convertible at the option of the holder into the Issuer's common stock at the rate of four shares of Preferred "D" for one share of common stock. Each share is convertible as long as such is outstanding.
(5) On March 4, 2013, the reporting person sold a total of 65,150 shares of the Issuer's common stock at the weighted average price per share of $38.02, which is based on multiple prices ranging from $38.00 to $38.13. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.
(6) On March 5, 2013, the reporting person sold a total of 34,850 shares of the Issuer's common stock at the weighted average price per share of $38.78, which is based on multiple prices ranging from $38.56 to $39.05. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.
(7) Of these shares, 200,000 shares of the Issuer's common stock were pledged as collateral.

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