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                                 UNITED STATES                                  
                       SECURITIES AND EXCHANGE COMMISSION                       
                             Washington, D.C. 20549                             
                                                                                
                                      Form                                      
                                      10-Q                                      
(Mark One)


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


                         For the quarterly period ended                         
                                 March 31, 2024                                 
                                       OR                                       

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

              For the transition period from ........ to ........               
                           Commission file number is                            
                                   000-04197                                    
                                                                                
                      UNITED STATES LIME & MINERALS, INC.                       
             (Exact name of registrant as specified in its charter)             
                                                                                

                                                    
             Texas                   75-0789226     
(State or other jurisdiction of   (I.R.S. Employer  
 incorporation or organization)  Identification No.)



                                                    
      5429 LBJ Freeway, Suite 230           75240   
                   ,                                
                 Dallas                             
                   ,                                
                   TX                               
(Address of principal executive offices)  (Zip Code)


                                       (                                        
                                      972                                       
                                       )                                        
                                    991-8400                                    
              (Registrant's telephone number, including area code)              
Securities registered pursuant to Section 12(b) of the Act:

                                                                                         
     Title of each class      Trading Symbol(s) Name of each exchange on which registered
Common stock, $0.10 par value       USLM               The Nasdaq Stock Market LLC       


Indicate by check mark whether the Registrant (1) has filed all reports 
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 
1934 during the preceding 12 months (or for such shorter period that the 
Registrant was required to file such reports), and (2)
has been subject to such filing requirements for the past 90 days.
Yes

No


Indicate by check mark whether the Registrant has submitted electronically 
every Interactive Data File required to be submitted pursuant to Rule
405 of Regulation S-T ((s)232.405 of this chapter) during the preceding 12 
months (or for such shorter period that the Registrant was required to submit 
such files).
Yes

No


Indicate by check mark whether the Registrant is a large accelerated filer, an 
accelerated filer, a non-accelerated filer, a smaller reporting company, or an 
emerging growth company. See the definitions of "large accelerated filer," 
"accelerated filer," "smaller reporting company," and "emerging growth 
company" in Rule 12b-2 of the Exchange Act.


                                                    
 Large accelerated filer   Accelerated filer        
                                                    
 Non-accelerated filer     Smaller reporting company
                                                    
                           Emerging growth company  
                                                    

If an emerging growth company, indicate by check mark if the Registrant has 
elected not to use the extended transition period for complying with any new 
or revised financial accounting standards provided pursuant to Section 13(a) 
of the Exchange Act.

Indicate by check mark whether the Registrant is a shell company (as defined 
in Rule
12b-2 of the Exchange Act). Yes

No

Indicate the number of shares outstanding of each of the Registrant's classes 
of common stock, as of the latest practicable date: As of April 29, 2024,
5,709,154
shares of common stock, $0.10 par value, were outstanding.



PART I. FINANCIAL INFORMATION
ITEM 1: FINANCIAL STATEMENTS
UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED BALANCE SHEETS
(dollars in thousands)
(Unaudited)


                                                                                  
                                                         March 31,   December 31, 
                                                           2024         2023      
ASSETS                                                                            
Current assets                                                                    
Cash and cash equivalents                                $ 206,995      $ 187,964 
Trade receivables, net                                      42,155         38,052 
Inventories                                                 25,724         24,313 
Prepaid expenses and other current assets                    4,001          4,640 
Total current assets                                       278,875        254,969 
Property, plant and equipment                              474,280        469,598 
Less accumulated depreciation and depletion                      (              ( 
                                                           294,604        289,803 
                                                                 )              ) 
Property, plant and equipment, net                         179,676        179,795 
Operating lease right-of-use assets                          4,897          5,273 
Other assets, net                                              548            565 
Total assets                                             $ 463,996      $ 440,602 
LIABILITIES AND STOCKHOLDERS' EQUITY                                              
Current liabilities                                                               
Accounts payable                                         $   6,980      $   7,404 
Current portion of operating lease liabilities               1,520          1,582 
Accrued expenses                                            10,746          8,505 
Total current liabilities                                   19,246         17,491 
Deferred tax liabilities, net                               24,421         24,659 
Operating lease liabilities, excluding current portion       3,601          3,919 
Other liabilities                                            1,412          1,429 
Total liabilities                                           48,680         47,498 
Stockholders' equity                                                              
Common stock                                                   674            674 
Additional paid-in capital                                  39,191         37,820 
Retained earnings                                          433,512        412,499 
Less treasury stock, at cost                                     (              ( 
                                                            58,061         57,889 
                                                                 )              ) 
Total stockholders' equity                                 415,316        393,104 
Total liabilities and stockholders' equity               $ 463,996      $ 440,602 


     See accompanying notes to condensed consolidated financial statements.     

                                       2                                        
UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(dollars in thousands, except per share data)
(Unaudited)


                                                                                    
                                                 Three Months Ended March 31,       
                                                   2024               2023          
Revenues                                     $ 71,687   100.0 % $ 66,777    100.0 % 
Cost of revenues                                                                    
Labor and other operating expenses             35,101    49.0 %   37,029     55.5 % 
Depreciation, depletion and amortization        5,979     8.3 %    5,756      8.6 % 
                                               41,080    57.3 %   42,785     64.1 % 
Gross profit                                   30,607    42.7 %   23,992     35.9 % 
Selling, general and administrative expenses    4,848     6.8 %    4,152      6.2 % 
Operating profit                               25,759    35.9 %   19,840     29.7 % 
                                                                                    
Other (income) expense, net                         (       ( %        (        ( % 
                                                2,540     3.6      1,507      2.3   
                                                    )       )          )        )   
Income before income tax expense               28,299    39.5 %   21,347     32.0 % 
Income tax expense                              5,860     8.2 %    4,243      6.4 % 
Net income                                   $ 22,439    31.3 % $ 17,104     25.6 % 
Net income per share of common stock                                                
Basic                                        $   3.93           $   3.01            
Diluted                                      $   3.92           $   3.00            

                                                                                
     See accompanying notes to condensed consolidated financial statements.     

                                       3                                        

UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(dollars in thousands)
(Unaudited)


                                                                                                  
                                                                                                  
                                   Common Stock       Additional                                  
                                 Shares                Paid-In     Retained   Treasury            
                               Outstanding   Amount    Capital     Earnings    Stock      Total   
Balances at December 31, 2023    5,704,556    $ 674     $ 37,820  $ 412,499   $      (  $ 393,104 
                                                                                57,889            
                                                                                     )            
Stock options exercised              2,400        -          130          -          -        130 
Stock-based compensation             2,957        -        1,241          -          -      1,241 
Treasury shares purchased                (        -            -          -          (          ( 
                                       687                                         172        172 
                                         )                                           )          ) 
Cash dividends paid                      -        -            -          (          -          ( 
                                                                      1,426                 1,426 
                                                                          )                     ) 
Net income                               -        -            -     22,439          -     22,439 
Balances at March 31, 2024       5,709,226    $ 674     $ 39,191  $ 433,512   $      (  $ 415,316 
                                                                                58,061            
                                                                                     )            





                                                                                                  
                                                                                                  
                                   Common Stock       Additional                                  
                                 Shares                Paid-In     Retained   Treasury            
                               Outstanding   Amount    Capital     Earnings    Stock      Total   
Balances at December 31, 2022    5,682,079    $ 671     $ 34,528  $ 342,504   $      (  $ 321,088 
                                                                                56,615            
                                                                                     )            
Stock options exercised              5,762        1          112          -          -        113 
Stock-based compensation             3,124        -          812          -          -        812 
Treasury shares purchased                (        -            -          -          (          ( 
                                       646                                          98         98 
                                         )                                           )          ) 
Cash dividends paid                      -        -            -          (          -          ( 
                                                                      1,137                 1,137 
                                                                          )                     ) 
Net income                               -        -            -     17,104          -     17,104 
Balances at March 31, 2023       5,690,319    $ 672     $ 35,452  $ 358,471   $      (  $ 337,882 
                                                                                56,713            
                                                                                     )            


     See accompanying notes to condensed consolidated financial statements.     
                                       4                                        

UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(dollars in thousands)
(Unaudited)


                                                                                                                    
                                                                                     Three Months Ended March 31,   
                                                                                       2024               2023      
OPERATING ACTIVITIES:                                                                                               
Net income                                                                            $  22,439           $  17,104 
Adjustments to reconcile net income to net cash provided by operating activities:                                   
Depreciation, depletion and amortization                                                  6,054               5,828 
Amortization of deferred financing costs                                                      2                   2 
Deferred income taxes                                                                         (                   ( 
                                                                                            238                 161 
                                                                                              )                   ) 
Gain on disposition of property, plant and equipment                                          (                   ( 
                                                                                             93                  70 
                                                                                              )                   ) 
Stock-based compensation                                                                  1,241                 812 
Changes in operating assets and liabilities:                                                                        
Trade receivables, net                                                                        (                   ( 
                                                                                          4,103               4,764 
                                                                                              )                   ) 
Inventories                                                                                   (                   ( 
                                                                                          1,411               2,467 
                                                                                              )                   ) 
Prepaid expenses and other current assets                                                   639                 609 
Other assets                                                                                 15                   ( 
                                                                                                                  6 
                                                                                                                  ) 
Accounts payable and accrued expenses                                                     2,643               3,738 
Other liabilities                                                                             (                  19 
                                                                                             21                     
                                                                                              )                     
Net cash provided by operating activities                                                27,167              20,644 
INVESTING ACTIVITIES:                                                                                               
Purchase of property, plant and equipment                                                     (                   ( 
                                                                                          6,824               5,451 
                                                                                              )                   ) 
Proceeds from sale of property, plant and equipment                                         156                 120 
Net cash used in investing activities                                                         (                   ( 
                                                                                          6,668               5,331 
                                                                                              )                   ) 
FINANCING ACTIVITIES:                                                                                               
Cash dividends paid                                                                           (                   ( 
                                                                                          1,426               1,137 
                                                                                              )                   ) 
Proceeds from exercise of stock options                                                     130                 113 
Purchase of treasury shares                                                                   (                   ( 
                                                                                            172                  98 
                                                                                              )                   ) 
Net cash used in financing activities                                                         (                   ( 
                                                                                          1,468               1,122 
                                                                                              )                   ) 
Net increase in cash and cash equivalents                                                19,031              14,191 
Cash and cash equivalents at beginning of period                                        187,964             133,384 
Cash and cash equivalents at end of period                                            $ 206,995           $ 147,575 


     See accompanying notes to condensed consolidated financial statements.     

                                       5                                        
              UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES              
              Notes to Condensed Consolidated Financial Statements              
                                  (Unaudited)                                   
                                                                                
1.
Basis of Presentation

The condensed consolidated financial statements included herein have been 
prepared by United States Lime & Minerals,
Inc. (the "Company") without independent audit. In the opinion of the 
Company's management, all adjustments of a normal and recurring nature 
necessary to present fairly the financial position, results of operations, and 
cash flows for the periods presented have been made. Certain information and 
footnote disclosures normally included in financial statements prepared in 
accordance with accounting principles generally accepted in the United States 
of America ("US GAAP") have been condensed or omitted. These condensed 
consolidated financial statements should be read in conjunction with the 
consolidated financial statements and notes thereto included in the Company's 
Annual Report on Form
10-K for the period ended December 31, 2023. The results of operations for the 
three-month period ended March 31, 2024 are not necessarily indicative of 
operating results for the full year.

2.
Organization
The Company is a manufacturer of lime and limestone products, supplying 
primarily the construction (including highway, road and building contractors), 
industrial (including paper and glass manufacturers), metals (including steel 
producers), environmental (including municipal sanitation and water treatment 
facilities and flue gas treatment processes), roof shingle manufacturers, oil 
and gas services, and agriculture (including poultry producers) industries. 
The Company is headquartered in Dallas, Texas and operates lime and limestone 
plants and distribution facilities in Arkansas, Colorado, Louisiana, Missouri, 
Oklahoma, and Texas through its wholly owned subsidiaries, Arkansas Lime 
Company, ART Quarry TRS LLC (DBA Carthage Crushed Limestone), Colorado Lime 
Company, Mill Creek Dolomite, LLC ("Mill Creek"), 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-operated working interests in natural gas wells located in Johnson County, 
Texas, in the Barnett Shale Formation.
3.
Accounting Policies

Revenue Recognition.
The Company recognizes revenue for its lime and limestone operations when (i) 
a contract with the customer exists and the performance obligations are 
identified; (ii) the price has been established; and (iii) the performance 
obligations have been satisfied, which is generally upon shipment. The 
Company's returns and allowances are minimal. Revenues include external 
freight billed to customers with related costs accounted for as fulfillment 
costs and included in cost of revenues. External freight billed to customers 
included in 2024 and 2023 revenues was
$
11.2
million and $
11.7
million, for the respective three months ended March 31, which approximates 
the amount of external freight included in cost of revenues. Sales taxes 
billed to customers are not included in revenues. For its natural gas 
interests, the Company recognizes revenue in the month of production and 
delivery.

Trade Receivables.
The majority of the Company's trade receivables are unsecured. Payment terms 
for all trade receivables are based on the underlying purchase orders, 
contracts, or purchase agreements, and are generally fixed, short-term and do 
not contain a significant financing component. The Company estimates credit 
losses relating to trade receivables based on an assessment of the current and 
forecasted probability of collection, historical trends, economic conditions, 
and other significant events that may impact the collectability of accounts 
receivables. Due to the relatively homogenous nature of its trade receivables, 
the Company does not believe there is any meaningful asset-specific 
differences within its trade receivables portfolio that would require the 
portfolio to be grouped below the consolidated level for review of credit 
losses. Credit losses relating to trade receivables have generally been within 
management expectations and historical trends. Uncollected trade receivables 
are charged-off when identified by management to be unrecoverable. The Company 
maintains an allowance for credit losses to reflect currently expected 
estimated losses resulting from the failure of customers to make required 
payments.



                                       6                                        
4.
Reportable Segment

The Company has identified
one
reportable segment based on the distinctness of the Company's activities and 
products: lime and limestone operations. All operations are in the United 
States. In evaluating the operating results of the Company, management 
primarily reviews revenues, gross profit, and operating profit from the lime 
and limestone operations. Operating profit from the Company's lime and 
limestone operations includes all of the Company's selling, general and 
administrative costs. The Company does not allocate interest income and 
expense and other expense to its lime and limestone operations. Other 
identifiable assets include assets related to the Company's natural gas 
interests, unallocated corporate assets, and cash items.

Operating results and certain other financial data for the three months ended 
March 31, 2024 and 2023 for the Company's lime and limestone operations 
segment and other are as follows (in thousands):


                                                                                
                                                  Three Months Ended March 31,  
Revenues                                            2024               2023     
Lime and limestone operations                      $  71,470           $  66,538
Other                                                    217                 239
Total revenues                                     $  71,687           $  66,777
Depreciation, depletion and amortization                                        
Lime and limestone operations                      $   5,857           $   5,630
Other                                                    122                 126
Total depreciation, depletion and amortization     $   5,979           $   5,756
Gross profit (loss)                                                             
Lime and limestone operations                      $  30,683           $  24,058
Other                                                      (                   (
                                                          76                  66
                                                           )                   )
Total gross profit                                 $  30,607           $  23,992
Operating profit (loss)                                                         
Lime and limestone operations                      $  25,839           $  19,909
Other                                                      (                   (
                                                          80                  69
                                                           )                   )
Total operating profit                             $  25,759           $  19,840
Identifiable assets, at period end                                              
Lime and limestone operations                      $ 252,551           $ 235,693
Other                                                211,445             152,052
Total identifiable assets                          $ 463,996           $ 387,745
Capital expenditures                                                            
Lime and limestone operations                      $   6,824           $   5,451
Other                                                      -                   -
Total capital expenditures                         $   6,824           $   5,451
                                                                                




                                       7                                        
5.
Income and Dividends Per Share of Common Stock

At March 31, 2024, the Company had
30,000,000
shares of common stock authorized and
5,709,226
shares outstanding. On May 2, 2024, shareholders will vote at the Company's 
2024 Annual Meeting of Shareholders on a proposal to increase the number of 
authorized shares of common stock to
45,000,000
.

The following table sets forth the computation of basic and diluted income per 
common share (in thousands, except per share amounts):


                                                                                                                            
                                                                                              Three Months Ended March 31,  
                                                                                                2024                2023    
Net income for basic and diluted income per common share                                        $ 22,439            $ 17,104
Weighted-average shares for basic income per common share                                          5,707               5,685
Effect of dilutive securities:                                                                                              
Employee and director stock options                                                                   18                  13
(1)                                                                                                                         
Adjusted weighted-average shares and assumed exercises for diluted income per common share         5,725               5,698
Basic net income per common share                                                               $   3.93            $   3.01
Diluted net income per common share                                                             $   3.92            $   3.00


(1) No                                                    
    stock options were excluded due to being antidilutive.


The Company paid $
0.25
and $
0.20
of cash dividends per share of common stock in the three months ended March 
31, 2024 and 2023, respectively.

6.
Inventories

Inventories are valued principally at the lower of cost, determined using the 
average cost method, or net realizable value. Costs for raw materials and 
finished goods include materials, labor, and production overhead. Inventories 
consisted of the following (in thousands):

                                                           
                                  March 31,   December 31, 
                                    2024         2023      
Lime and limestone inventories:                            
Raw materials                      $  8,998       $  7,834 
Finished goods                        3,347          3,107 
                                     12,345         10,941 
Parts inventories                    13,379         13,372 
                                   $ 25,724       $ 24,313 



7.
Banking Facilities and Debt
At March 31, 2024, the Company's credit agreement with Wells Fargo Bank, N.A. 
(the "Lender"), as amended as of August 3, 2023, provided for a
$
75
million revolving credit facility (the "Revolving Facility") and an incremental
four-year
accordion feature to borrow up to an additional
$
50
million on the same terms, subject to approval by the Lender or another lender 
selected by the Company. The credit agreement also provides for a
$
10
million letter of credit sublimit under the Revolving Facility. The Revolving 
Facility and any incremental loans mature on August 3, 2028.
Interest rates on the Revolving Facility are, at the Company's option, SOFR, 
plus a SOFR adjustment rate of
0.10
%, plus a margin of
1.000
% to
2.000
%, or the Lender's Prime Rate, plus a margin of
0.000
% to
1.000
%, and a commitment fee range of
0.225
% to
0.350
%
on the undrawn portion of the Revolving Facility. The Revolving Facility 
interest rate margins and commitment fee are determined quarterly in 
accordance with a pricing grid based upon the Company's Cash Flow Leverage 
Ratio, defined as the ratio of the Company's total funded senior indebtedness 
to earnings before interest, taxes, depreciation, depletion, amortization, and 
stock-based compensation expense
                                       8                                        
("EBITDA") for the 12 months ended on the last day of the most recent calendar 
quarter, plus pro forma EBITDA from any businesses acquired during the period. 
Pursuant to a security agreement, dated August 25, 2004, the Revolving 
Facility is secured by the Company's existing and hereafter acquired tangible 
assets, intangible assets, and real property. The maturity of the Revolving 
Facility and any incremental loans can be accelerated if any event of default, 
as defined under the credit agreement, occurs. The Company's maximum Cash Flow 
Leverage Ratio is
3.50
to 1.
The Company may pay dividends so long as it remains in compliance with the 
provisions of the Company's credit agreement, and it may purchase, redeem, or 
otherwise acquire shares of its common stock so long as its pro forma Cash 
Flow Leverage Ratio is less than
3.00
to 1.00 and no default or event of default exists or would exist after giving 
effect to such stock repurchase.
As of March 31, 2024, the Company had
no
debt outstanding and no draws on the Revolving Facility other than $
0.5
million of letters of credit, which count as draws against the available 
commitment under the Revolving Facility.

8.
Leases

The Company has operating leases for the use of equipment, corporate office 
space, and some of its terminal and distribution facilities. The leases have 
remaining lease terms of
0
to
7 years
, with a weighted-average remaining lease term of
4
years at both March 31, 2024 and December 31, 2023. Some operating leases 
include options to extend the leases for up to
5 years
and are only considered in the lease terms if the Company is reasonably 
certain it will exercise the option to extend.

The components of lease costs for the three months ended March 31, 2024 and 
2023 were as follows (in thousands):


                                                                                                         
                                                                           Three Months Ended March 31,  
                                          Classification                     2024                2023    
Operating lease costs      Cost of revenues                                   $   585             $   770
(1)                                                                                                      
Operating lease costs      Selling, general and administrative expenses            76                  41
(1)                                                                                                      
Rental revenues            Revenues                                                 (                   (
                                                                                  122                 117
                                                                                    )                   )
Rental revenues            Other (income) expense, net                              (                   (
                                                                                   36                  16
                                                                                    )                   )
Net operating lease costs                                                     $   504             $   678


(1) Includes the costs of leases with a term of
    one year                                   
    or less.                                   


As of March 31, 2024, future minimum payments under operating leases that were 
either non-cancelable or subject to significant penalty upon cancellation, 
including future minimum payments under renewal options that the Company is 
reasonably certain to exercise, were as follows (in thousands):


                                                               
2024 (excluding the three months ended March 31, 2024)  $ 1,264
2025                                                      1,397
2026                                                      1,349
2027                                                        936
2028                                                        404
Thereafter                                                  100
Total future minimum lease payments                       5,450
Less imputed interest                                         (
                                                            329
                                                              )
Present value of lease liabilities                      $ 5,121


Supplemental cash flow information pertaining to the Company's leasing 
activity for the three months ended March 31, 2024 and 2023 is as follows (in 
thousands):

                                                                                                           
                                                                            Three Months Ended March 31,   
                                                                             2024             2023         
Cash payments for lease liabilities included in operating cash flows          $  450           $  417      
Right-of-use assets obtained in exchange for operating lease obligations      $    -           $   81      


                                       9                                        
9.
Income Taxes

The Company has estimated that its effective income tax rate for 2024 will be
20.7
%
. The primary reason for the effective income tax rate being below the federal 
statutory rate is due to statutory depletion, which is allowed for income tax 
purposes and is a permanent difference between net income for financial 
reporting purposes and taxable income.

10.
Dividends

On March 15, 2024, the Company paid $
1.4
million in cash dividends, based on a dividend of $
0.25
per share of its common stock, to shareholders of record at the close of 
business on February 23, 2024.

11.
Subsequent Event

On
April 30, 2024
, the Company's Board of Directors declared a regular quarterly cash dividend of
$
0.25
per share on the Company's common stock. This dividend is payable on
June 14, 2024
, to shareholders of record at the close of business on
May 24, 2024
.
                                       10                                       
ITEM 2:     MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
RESULTS OF OPERATIONS

Forward-Looking Statements.
Any statements contained in this Report that are not statements of historical 
fact are forward-
looking statements as defined in the Private Securities Litigation Reform Act 
of 1995. Forward-
looking statements in this Report, including without limitation statements 
relating to the Company's plans, strategies, objectives, expectations, 
intentions, and adequacy of resources, are identified by such words as "will," 
"could," "should," "would," "believe," "possible," "potential," "expect," 
"intend," "plan," "schedule," "estimate," "anticipate," and "project." The 
Company undertakes no obligation to publicly update or revise any 
forward-looking statements. The Company cautions that forward-looking 
statements involve risks and uncertainties that could cause actual results to 
differ materially from expectations, including without limitation the 
following: (i) the Company's plans, strategies, objectives, expectations, and 
intentions are subject to change at any time at the Company's discretion; (ii) 
the Company's plans and results of operations will be affected by its ability 
to maintain and increase its revenues and manage its growth; (iii) the 
Company's ability to meet short-term and long-term liquidity demands, 
including meeting the Company's operating and capital needs, including 
possible acquisitions and paying dividends, and conditions in the credit and 
equity markets, including the ability of the Company's customers to meet their 
obligations; (iv) interruptions to operations and increased expenses at the 
Company's facilities resulting from changes in mining methods or conditions, 
variability of chemical or physical properties of the Company's limestone and 
its impact on process equipment and product quality, inclement weather 
conditions, including more severe and frequent weather events resulting from 
climate change, natural disasters, accidents, IT systems failures or 
disruptions, including due to cybersecurity threats and incidents, utility 
disruptions, supply chain delays and disruptions, labor shortages and 
disruptions, or regulatory requirements; (v) volatile coal, petroleum coke, 
diesel, natural gas, electricity, and transportation costs and the consistent 
availability of trucks, truck drivers, and rail cars to deliver the Company's 
products to its customers and solid fuels to its plants on a timely basis at 
competitive prices; (vi) the Company's ability to expand its lime and 
limestone operations through projects and acquisitions of businesses with 
related or similar operations and the Company's ability to obtain any required 
financing for such projects and acquisitions, to integrate the projects and 
acquisitions into the Company's overall operations, and to sell any resulting 
increased production at acceptable prices; (vii)
inadequate demand and/or prices for the Company's lime and limestone products 
due to increased competition from competitors, increasing competition for 
certain customer accounts, conditions in the U.S. economy, recessionary 
pressures in, and the impact of government policies on, particular industries, 
including oil and gas services, utility plants, steel, construction, and 
industrial, effects of governmental fiscal and budgetary constraints, 
including the level of highway construction and infrastructure funding, 
changes to tax laws, legislative impasses, extended governmental shutdowns, 
downgrades and defaults on U.S. government obligations, trade wars, tariffs, 
international incidents, including conflicts in Ukraine, Israel, and the 
broader Middle East, oil cartel production and supply actions, sanctions, 
economic and regulatory uncertainties under state governments and the United 
States Administration and Congress, inflation, Federal Reserve responses to 
inflationary concerns, including increased interest rates, and inability to 
continue to maintain or increase prices for the Company's products, including 
passing through the increased costs of energy, labor, parts and supplies, and 
changes in inflationary expectations; (viii) ongoing and possible new 
regulations, investigations, enforcement actions and costs, legal expenses, 
penalties, fines, assessments, litigation, judgments and settlements, taxes, 
and disruptions and limitations of operations, including those related to 
climate change, health and safety, human capital, diversity, and other 
environmental, social, governance, and sustainability considerations, and 
those that could impact the Company's ability to continue or renew its 
operating permits or successfully secure new permits in connection with its 
modernization and expansion and development projects; (ix) estimates of 
resources and reserves and remaining lives of reserves; (x) the impact of 
potential global pandemics, epidemics, or disease outbreaks, such as COVID-19, 
and governmental responses thereto, including decreased demand, lower prices, 
tightened labor and other markets, and increased costs, and the risk of 
non-compliance with health and safety protocols, social distancing and mask 
guidelines, and vaccination mandates, on the Company's financial condition, 
results of operations, cash flows, and competitive position; (xi) the impact 
of social or political unrest; (xii) risks relating to mine safety and 
reclamation and remediation; and (xiii) other risks and uncertainties set 
forth in this Report or indicated from time to time in the Company's filings 
with the Securities and Exchange Commission (the "SEC"), including the 
Company's Annual Report on Form 10-K for the fiscal year ended December 31, 
2023 and subsequent Quarterly Reports on Form 10-Q and Current Reports on Form 
8-K.

                                       11                                       
Overview.

We are a manufacturer of lime and limestone products, supplying primarily the 
construction (including highway, road and building contractors), industrial 
(including paper and glass manufacturers), metals (including steel producers), 
environmental (including municipal sanitation and water treatment facilities 
and flue gas treatment processes), roof shingle manufacturers, oil and gas 
services, and agriculture (including poultry producers) industries. We are 
headquartered in Dallas, Texas and operate lime and limestone plants and 
distribution facilities in Arkansas, Colorado, Louisiana, Missouri, Oklahoma, 
and Texas through our wholly owned subsidiaries, Arkansas Lime Company, ART 
Quarry TRS LLC (DBA Carthage Crushed Limestone), Colorado Lime Company, Mill 
Creek Dolomite, LLC ("Mill Creek"), Texas Lime Company, U.S. Lime Company, 
U.S. Lime Company-Shreveport, U.S. Lime Company-St. Clair, and U.S. Lime 
Company-Transportation.
We have identified one reportable segment based on the distinctness of our 
activities and products: lime and limestone operations. All operations are in 
the United States. Our other operations consists of natural gas interests 
through our wholly owned subsidiary, U.S. Lime Company-O&G, LLC. Assets 
related to our natural gas interests, unallocated corporate assets, and cash 
items are included in other identified assets. We do not believe that our 
natural gas interests are material to the current or prior periods.
Our revenues increased 7.4% in the first quarter 2024, compared to the first 
quarter 2023. Revenues from our lime and limestone operations increased 7.4% 
in the first quarter 2024, compared to the first quarter 2023, due to a 14.6% 
increase in the average selling prices for our lime and limestone products, 
partially offset by a 7.2% decrease in sales volumes of our lime and limestone 
products, principally due to decreased demand from our construction customers, 
partially offset by increased demand from our industrial customers. Looking 
ahead, we anticipate improved demand from our construction customers.
Our gross profit increased 27.6% in the first quarter 2024, compared to the 
first quarter 2023. Gross profit from our lime and limestone operations 
increased 27.5% in the first quarter 2024, compared to the first quarter 2023. 
The increase in gross profit resulted from the increased revenues discussed 
above and a decrease in operating expenses, including lower natural gas fuel 
costs.
We paid an increased regular quarterly cash dividend of $0.25 per share in the 
first quarter of 2024. On April 30, 2024, our Board of Directors declared a 
regular quarterly cash dividend of $0.25 per share on our common stock. The 
dividend is payable on June 14, 2024, to shareholders of record at the close 
of business on May 24, 2024.
At our upcoming 2024 Annual Meeting of Shareholders, our shareholders will 
vote on a proposal to increase the number of authorized shares of our common 
stock from 30,000,000 to 45,000,000. If the proposal is approved by the 
shareholders, our Board of Directors currently intends to proceed with a stock 
split of up to 5-to-1, effected in the form of a stock dividend of up to 4 
additional shares on each outstanding share. In addition to having sufficient 
authorized shares to effectuate the stock split, our Board believes that the 
increase in authorized shares is advisable in order to maintain our business, 
financing, and capital-raising flexibility in connection with our working 
capital needs and for general corporate purposes.
Liquidity and Capital Resources.

Net cash provided by operating activities was $27.2 million in the first 
quarter 2024, compared to $20.6 million in the first quarter 2023, an increase 
of $6.5 million, or 31.6%. Our net cash provided by operating activities is 
composed of net income, depreciation, depletion and amortization ("DD&A"), 
deferred income taxes, stock-based compensation, other non-cash items included 
in net income and changes in working capital.
In the first quarter 2024, net cash provided by operating activities was 
principally composed of $22.4 million net income, $6.1 million DD&A, and $1.2 
million stock-
based compensation, partially offset by $0.2 million deferred income taxes and 
a $2.2 million decrease from changes in operating assets and liabilities. 
Changes in operating assets and liabilities in the first quarter 2024 included 
an increase of $4.1 million in trade receivables, net, due primarily to 
increased sales in the first quarter 2024 compared to the fourth quarter 2023, 
and an increase of $1.4 million in inventories, partially offset by an 
increase of $2.6 in accounts payable and accrued expenses and a decrease of 
$0.6 million in prepaid expenses and other current assets. In the first 
quarter 2023, net cash provided by operating activities was principally 
composed of $17.1 million net income, $5.8 million DD&A, and $0.8 million 
stock-based compensation, partially offset by $0.2 million deferred income 
taxes and a $2.9 million decrease from changes in operating assets and 
liabilities. Changes in operating assets
                                       12                                       
and liabilities in the first quarter 2023 included an increase of $4.8 million 
in trade receivables, net,
due primarily from increased sales in the first quarter 2023 compared to the 
fourth quarter 2022,
and an increase of $2.5 million in inventories, partially offset by a $3.7 
million increase in accounts payable and accrued expenses and a decrease of 
$0.6 million in prepaid expenses and other assets.
We had $6.8 million in capital expenditures in the first quarter 2024, 
compared to $5.5 million in the first quarter 2023. Net cash used in financing 
activities was $1.5 million in the first quarter 2024, compared to $1.1 
million in the first quarter 2023, consisting primarily of cash dividends paid 
in each period.
Cash and cash equivalents increased $19.0 million to $207.0 million at March 
31, 2024 from $188.0 million at December 31, 2023.
We are not committed to any planned capital expenditures until actual orders 
are placed for equipment. As of March 31, 2024, we did not have any material 
commitments for open purchase orders.
At March 31, 2024, our credit agreement with Wells Fargo Bank, N.A. (the 
"Lender"), as amended as of August 3, 2023, provides for a $75 million 
revolving credit facility (the "Revolving Facility") and an incremental 
four-year accordion feature to borrow up to an additional $50 million on the 
same terms, subject to approval by the Lender or another lender selected by 
us. The credit agreement also provided for a $10 million letter of credit 
sublimit under the Revolving Facility. The Revolving Facility and any 
incremental loans mature on August 3, 2028
.
Interest rates on the Revolving Facility are, at our option, SOFR, plus a SOFR 
adjustment rate of 0.10%, plus a margin of 1.000% to 2.000%, or the Lender's 
Prime Rate, plus a margin of 0.000% to 1.000%, and a commitment fee range of 
0.225% to 0.350% on the undrawn portion of the Revolving Facility.
The Revolving Facility interest rate margins and commitment fee are determined 
quarterly in accordance with a pricing grid based upon our Cash Flow Leverage 
Ratio, defined as the ratio of our total funded senior indebtedness to 
earnings before interest, taxes, depreciation, depletion, amortization, and 
stock-based compensation expense ("EBITDA") for the 12 months ended on the 
last day of the most recent calendar quarter, plus pro forma EBITDA from any 
businesses acquired during the period. Pursuant to a security agreement, dated 
August 25, 2004, the Revolving Facility is secured by our existing and 
hereafter acquired tangible assets, intangible assets, and real property. The 
maturity of the Revolving Facility and any incremental loans can be 
accelerated if any event of default, as defined under the credit agreement, 
occurs. Our maximum Cash Flow Leverage Ratio is 3.50 to 1.
We may pay dividends so long as we remain in compliance with the provisions of 
our credit agreement, and we may purchase, redeem or otherwise acquire shares 
of our common stock so long as our pro forma Cash Flow Leverage Ratio is less 
than 3.00 to 1.00 and no default or event of default exists or would exist 
after giving effect to such stock repurchase.
At March 31, 2024, we had no debt outstanding and no draws on the Revolving 
Facility other than $0.5 million of letters of credit, which count as draws 
against the available commitment under the Revolving Facility. We believe 
that, absent a significant acquisition, cash on hand and cash flows from 
operations will be sufficient to meet our operating needs, ongoing capital 
needs, including current and possible future modernization, expansion, and 
development projects, and liquidity needs and allow us to pay regular 
quarterly cash dividends for the near future.

Results of Operations.

Revenues in the first quarter 2024 were $71.7 million, compared to $66.8 
million in the first quarter 2023, an increase of $4.9 million, or 7.4%. 
Revenues from our lime and limestone operations were $71.5 million in the 
first quarter 2024, compared to $66.5 million in the first quarter 2023, an 
increase of $4.9 million, or 7.4%. The increase in our lime and limestone 
revenues in the first quarter 2024 resulted from the increases in the average 
selling prices for our lime and limestone products, partially offset by the 
decreased sales volumes of our lime and limestone products, principally due to 
decreased demand from our construction customers, partially offset by 
increased demand from our industrial customers.
Gross profit was $30.6 million in the first quarter 2024, compared to $24.0 
million in the first quarter 2023, an increase of $6.6 million, or 27.6%. 
Gross profit from our lime and limestone operations in the first quarter 2024 
was $30.7 million, compared to $24.1 million in the first quarter 2023, an 
increase of $6.6 million, or 27.5%. The increase in
                                       13                                       
lime and limestone gross profit in the first quarter 2024, compared to the 
first quarter 2023, resulted from the increased revenues discussed above and a 
decrease in operating expenses, including lower natural gas fuel costs.
Selling, general and administrative ("SG&A") expenses were $4.8 million in the 
first quarter 2024, compared to $4.2 million in the first quarter 2023, an 
increase of $0.7 million, or 16.8%. The increase in SG&A expenses in the first 
quarter 2024, compared to the first quarter 2023, was primarily due to 
increased personnel expense, including stock-based compensation.
We had no outstanding debt during any of the periods. Other (income) expense, 
net was $2.5 million income in the first quarter 2024, compared to $1.5 
million income in the first quarter 2023. The increase of $1.0 million in 
other (income) expense, net during the first quarter 2024, compared to the 
first quarter 2023, was primarily due to interest earned on higher average 
balances in our cash and cash equivalents.
Income tax expense was $5.9 million in the first quarter 2024, compared to 
$4.2 million in the first quarter 2023. The increase in income tax expense was 
primarily due to the increase in income before taxes.
Our net income was $22.4 million ($3.92 per share diluted) in the first 
quarter 2024, compared to net income of $17.1 million ($3.00 per share 
diluted) in the first quarter 2023, an increase of $5.3 million, or 31.2%.



ITEM 4:     CONTROLS AND PROCEDURES

Our management, with the participation of our Chief Executive Officer ("CEO") 
and Chief Financial Officer ("CFO"), evaluated the effectiveness of our 
disclosure controls and procedures as of the end of the period covered by this 
Report. Based upon that evaluation, the CEO and CFO concluded that our 
disclosure controls and procedures as of the end of the period covered by this 
Report were effective.

No change in our internal control over financial reporting occurred during the 
most recent fiscal quarter that has materially affected, or is reasonably 
likely to materially affect, our internal control over financial reporting.


PART II.     OTHER INFORMATION

ITEM 2:     UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Our Amended and Restated 2001 Long-Term Incentive Plan allows employees and 
directors to pay the exercise price for stock options and the tax withholding 
liability upon the lapse of restrictions on restricted stock by payment in 
cash and/or delivery of shares of common stock.  In the first quarter 2024, 
pursuant to these provisions, we purchased 687 shares at a price of $250.02 
per share, the fair market value of one share of our common stock on the date 
they were tendered for payment of tax withholding liability upon the lapse of 
restrictions on restricted stock.


ITEM 4:    MINE SAFETY DISCLOSURES

Under Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer 
Protection Act and Item 104 of SEC Regulation S-
K, each operator of a coal or other mine is required to include disclosures 
regarding certain mine safety results in its periodic reports filed with the 
SEC. The operation of our quarries, underground mine and plants is subject to 
regulation by the federal Mine Safety and Health Administration ("MSHA") under 
the Federal Mine Safety and Health Act of 1977. The required information 
regarding certain mining safety and health matters, broken down by mining 
complex, for the quarter ended March 31, 2024 is presented in Exhibit 95.1 to 
this Report.
We believe we are responsible to employees to provide a safe and healthy 
workplace environment. We seek to accomplish this by: training employees in 
safe work practices; openly communicating with employees; following safety 
standards and establishing and improving safe work practices; involving 
employees in safety processes; and recording, reporting and investigating 
accidents, incidents and losses to avoid reoccurrence.
                                       14                                       
Following passage of the Mine Improvement and New Emergency Response Act of 
2006, MSHA significantly increased the enforcement of mining safety and health 
standards on all aspects of mining operations. There has also been an increase 
in the dollar penalties assessed for citations and orders issued in recent 
years.


ITEM 6:    EXHIBITS

The Exhibit Index set forth below is incorporated by reference in response to 
this Item.
                                 EXHIBIT INDEX                                  

                                                                                                  
EXHIBIT                                                                                           
NUMBER                                          DESCRIPTION                                       
                                                                                                  
31.1     Rule 13a-14(a)/15d-14(a) Certification by the Chief Executive Officer.                   
                                                                                                  
31.2     Rule 13a-14(a)/15d-14(a) Certification by the Chief Financial Officer.                   
                                                                                                  
32.1     Section 1350 Certification by the Chief Executive Officer.                               
                                                                                                  
32.2     Section 1350 Certification by the Chief Financial Officer.                               
                                                                                                  
95.1     Mine Safety Disclosures.                                                                 
                                                                                                  
101      Interactive Data Files (formatted as Inline XBRL).                                       
                                                                                                  
104      Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).



                                       15                                       
                                   SIGNATURES                                   

Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned thereunto duly authorized.


                                                            
            UNITED STATES LIME & MINERALS, INC.             
                                                            
                                                            
May 1, 2024 By: /s/ Timothy W. Byrne                        
                Timothy W. Byrne                            
                President and Chief Executive Officer       
                (Principal Executive Officer)               
                                                            
                                                            
May 1, 2024 By: /s/ Michael L. Wiedemer                     
                Michael L. Wiedemer                         
                Vice President and Chief Financial Officer  
                (Principal Financial and Accounting Officer)





                                       16                                       
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