LSB INDUSTRIES, INC. SCHEDULES 2011 FIRST QUARTER FINANCIAL RESULTS RELEASE AND CONFERENCE CALL FOR THURSDAY, MAY 5TH

News Release

LSB INDUSTRIES, INC. SCHEDULES 2011 FIRST QUARTER FINANCIAL RESULTS RELEASE AND CONFERENCE CALL FOR THURSDAY, MAY 5TH

Oklahoma City, Oklahoma – April 25, 2011 - LSB Industries, Inc. ("LSB" or the "Company"), (NYSE: LXU), today announced that it will release its financial results for the 2011 first quarter ended March 31, 2011 on Thursday, May 5, 2011, after the close of the stock market.

LSB’s management will host a conference call on Thursday, May 5, 2011, at 5:15 pm EDT/4:15 pm CDT to discuss these results and recent corporate developments. Participating in the call will be Chairman & CEO, Jack E. Golsen; President and COO, Barry H. Golsen; and Executive Vice President & CFO, Tony M. Shelby. Interested parties may participate in the call by dialing 201 689-8261. Please call in 10 minutes before the conference is scheduled to begin and ask for the LSB conference call. To coincide with the conference call, LSB will post a slide presentation at www.lsb-okc.com on the webcast section of Investor Info tab.

To listen to a webcast of the call, please go to the Company’s website at www.lsb-okc.com at least 15 minutes before the conference call to download and install any necessary audio software. If you are unable to listen live, the conference call webcast will be archived on the Company’s website for 90 days. We suggest listeners use Microsoft Explorer as their web browser.

LSB is a manufacturing, marketing and engineering company. LSB’s principal business activities consist of the manufacture and sale of commercial and residential climate control products, such as geothermal and water source heat pumps, hydronic fan coils, large custom air handlers, modular geothermal chillers; the manufacture and sale of chemical products for the mining, agricultural and industrial markets; and the provision of specialized engineering services and other activities. LSB is included in the Russell 2000 Index and the Russell 3000 Index.

# # #