8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) March 23, 2012

UNITED STATES LIME & MINERALS, INC.

(Exact name of registrant as specified in its charter)

TEXAS	0-4197	75-0789226
(State or other jurisdiction of	(Commission File	(IRS Employer Identification
incorporation)	Number)	No.)

5429 LBJ FREEWAY, SUITE 230, DALLAS, TEXAS	75240
(Address of principal executive offices)	(Zip Code)

(972) 991-8400

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 8.01.  OTHER EVENTS.

On March 23, 2012, United States Lime & Minerals, Inc. (the “Company”) repurchased, in a privately negotiated transaction, 700,000 shares of its common stock from accounts managed by NSB Advisory LLC at a price of $58.00 per share, a discount of 2.2% from the previous day’s closing price of the common stock, for a total consideration of $40,600,000.  The transaction was unanimously approved by the Company’s Board of Directors and the Audit Committee of the Board.

The Company’s news release, dated March 27, 2012, announcing the repurchase is being filed as Exhibit 99.1 to this Current Report on Form 8-K and is hereby incorporated by reference in response to this Item.

Item 9.01.	FINANCIAL STATEMENTS AND EXHIBITS.
(d)	Exhibits

Exhibit
Number	Exhibit
99.1	News Release of United States Lime & Minerals, Inc. dated March 27, 2012

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, United States Lime & Minerals, Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 27, 2012	UNITED STATES LIME & MINERALS, INC.
		By:	/s/ M. Michael Owens
		M. Michael Owens, Vice President and Chief Financial Officer

2

EX-99.1

Exhibit 99.1

UNITED STATES LIME & MINERALS, INC. — NEWS RELEASE

FOR IMMEDIATE RELEASE	Contact: Timothy W. Byrne
	(972) 991-8400

UNITED STATES LIME & MINERALS REPORTS
REPURCHASE OF SHARES

Dallas, Texas, March 27, 2012 - United States Lime & Minerals, Inc. (NASDAQ: USLM) today reported that, on March 23, 2012, it had repurchased, in a privately negotiated transaction, 700,000 shares of its common stock from accounts managed by NSB Advisory LLC at a price of $58.00 per share, a discount of 2.2% from the previous day’s closing price of the common stock, for a total consideration of $40,600,000.

“We believe that the transaction presented us with an opportunity to put a portion of our cash to good use in this uncertain economy,” said Timothy W. Byrne, President and Chief Executive Officer.

United States Lime & Minerals, Inc., a NASDAQ-listed public company with headquarters in Dallas, Texas, is a manufacturer of lime and limestone products, supplying primarily the construction, steel, municipal sanitation and water treatment, oil and gas services, aluminum, paper, glass, roof shingle and agriculture industries and utilities and other industries requiring scrubbing of emissions for environmental purposes.  The Company operates lime and limestone plants and distribution facilities in Arkansas, Colorado, Louisiana, Oklahoma and Texas through its wholly owned subsidiaries, Arkansas Lime Company, Colorado Lime Company, Texas Lime Company, U.S. Lime Company, U.S. Lime Company — Shreveport, U.S. Lime Company — St. Clair and U.S. Lime Company — Transportation.  In addition, the Company, through its wholly owned subsidiary, U.S. Lime Company O & G, LLC, has royalty and non-operating working interests pursuant to an oil and gas lease and a drillsite agreement on its Johnson County, Texas property, located in the Barnett Shale Formation.

Any statements contained in this news release that are not statements of historical fact are forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995.  The Company undertakes no obligation to publicly update or revise any forward-looking statements, and investors are cautioned that such statements involve risks and uncertainties that could cause actual results to differ materially from expectations, including without limitation those risks and uncertainties indicated from time to time in the Company’s filings with the Securities and Exchange Commission.

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