Item 8.01 Other Events




On June 6, 2021, U.S. Concrete, Inc., a Delaware corporation ("U.S. Concrete" or
the "Company"), entered into an Agreement and Plan of Merger (the "Merger
Agreement") with Vulcan Materials Company, a New Jersey corporation ("Vulcan")
and Grizzly Merger Sub I, Inc., a Delaware corporation and a wholly-owned
subsidiary of Vulcan ("Grizzly Merger Sub") pursuant to which Grizzly Merger Sub
will merge with and into U.S. Concrete (the "Merger"), with U.S. Concrete
surviving the Merger and becoming a wholly-owned subsidiary of Vulcan. On
July 1, 2021, U.S. Concrete filed with the U.S. Securities and Exchange
Commission ("SEC") its preliminary proxy statement on Schedule 14A (the
"Preliminary Proxy Statement") and on July 13, 2021, U.S. Concrete filed with
the SEC its definitive proxy statement on Schedule 14A relating to the special
meeting of stockholders of the Company scheduled to be held on August 16, 2021
(the "Definitive Proxy Statement") to, among other things, vote on a proposal to
adopt and approve the Merger Agreement.

With this filing, the Company is hereby supplementing its disclosure in the Definitive Proxy Statement in connection with litigation brought by certain purported stockholders of the Company, which is described below.

Stockholder Litigation



Since the initial filing of the Preliminary Proxy Statement on Schedule 14A,
eleven actions (collectively, the "U.S. Concrete Stockholder Actions") have been
filed in federal courts in Delaware, New Jersey, New York, and Pennsylvania by
purported stockholders of the Company in connection with the transactions
contemplated by the Merger Agreement: Stein v. U.S. Concrete, Inc., et al.
(S.D.N.Y. July 2, 2021); Waterman v. U.S. Concrete, Inc., et al. (S.D.N.Y.
July 8, 2021); Clark v. U.S. Concrete, Inc., et al. (D. Del July 9, 2021) (the
"Clark Action"); Harris v. U.S. Concrete, Inc., et al. (S.D.N.Y. July 13, 2021);
Siddall v. U.S. Concrete, Inc., et al. (D.N.J. July 13, 2021); Whitfield v. U.S.
Concrete, Inc., et al (E.D. Pa. July 13, 2021); Murphy v. U.S. Concrete, Inc.,
et al. (S.D.N.Y. July 14, 2021); Kent v. U.S. Concrete, Inc., et al. (D.N.J.
July 27, 2021) (the "Kent Action"); Wilhelm v. U.S. Concrete, Inc., et al. (D.
Del July 28, 2021) (the "Wilhelm Action"); Brave v. U.S. Concrete, Inc., et al.
(D.N.J. July 30, 2021) (the "Brave Action") and Beauregard v. U.S. Concrete,
Inc., et al. (S.D.N.Y. July 30, 2021) (the "Beauregard Action"). Each of the
U.S. Concrete Stockholder Actions names the Company and its directors as
defendants, and the Clark Action names former Company director William J.
Sandbrook as an additional defendant. Each of the U.S. Concrete Stockholder
Actions alleges, among other things, that the Preliminary Proxy Statement, or,
in the case of the Kent Action, Wilhelm Action, Brave Action and Beauregard
Action, the Definitive Proxy Statement, on Schedule 14A is false and misleading
and/or omits material information relating to the Company's financial forecasts
and financial analyses conducted by the Company's financial advisors. Certain of
the U.S. Concrete Stockholder Actions further allege that the defendants
violated federal securities laws by failing to disclose certain information in
the Definitive Proxy Statement relating to the sales process and alleged
conflicts of interests for management, financial projections for the Company
provided to the Company's financial advisors, and the data and inputs underlying
the financial valuation analyses that support the fairness opinions of the
Company's financial advisors. The Clark Action further alleges that the
Company's directors breached their fiduciary duties by entering into the Merger
Agreement through an unfair process and for inadequate consideration. The
plaintiffs in the U.S. Concrete Stockholder Actions, among other things, seek to
enjoin the transactions contemplated by the Merger Agreement, an award of
attorneys' fees and expenses and, in certain instances, damages in an
unspecified amount.

While the Company believes that the disclosures set forth in the Preliminary
Proxy Statement and in the Definitive Proxy Statement comply fully with all
applicable law and denies the allegations in the pending actions described
above, in order to moot the plaintiffs' disclosure claims, avoid nuisance and
possible expense and business delays, and provide additional information to its
stockholders, the Company has determined voluntarily to supplement certain
disclosures in the Definitive Proxy Statement related to the plaintiffs' claims
with the supplemental disclosures set forth below (the "Supplemental
Disclosures"). These Supplemental Disclosures should be read in conjunction with
the rest of the Definitive Proxy Statement, which is available at the SEC's
website, www.sec.gov, or from the Company's website at
https://www.us-concrete.com and which we urge you to read in its entirety.
Nothing in the Supplemental Disclosures shall be deemed an admission of the
legal merit, necessity or materiality under applicable laws of any of the
disclosures set forth herein. To the contrary, the Company and the other named
defendants specifically deny all allegations in the complaints, including the
allegations that any additional disclosure was or is required or material.

To the extent that the information set forth herein differs from or updates
information contained in the Definitive Proxy Statement, the information set
forth herein shall supersede or supplement the information in the Definitive
Proxy Statement. All references to sections and subsections herein are
references to the corresponding sections or subsections in the Definitive Proxy
Statement, all page references are to pages in the Definitive Proxy Statement,
and terms used herein, unless otherwise defined, have the meanings set forth in
the Definitive Proxy Statement.

--------------------------------------------------------------------------------

1. The disclosure under the heading "The Merger - Background of the Merger" is

hereby amended by adding the below sentence to the fourth paragraph on page

22 of the Definitive Proxy Statement under such heading:

As of May 7, 2020, BNP Paribas had not been engaged by the Strategic Review Committee and had not yet been engaged by the Company in connection with a potential business combination transaction.

2. The disclosure under the heading "The Merger - Background of the Merger" is

hereby amended by adding the below sentence to the fourth full paragraph on

page 23 of the Definitive Proxy Statement:

The Company did not enter into a separate confidentiality agreement with Party A.

3. The disclosure under the heading "The Merger - Background of the Merger" is

hereby amended by adding the below sentence to the seventh full paragraph on

page 23 of the Definitive Proxy Statement:

The Company was not party to a confidentiality agreement with Party B.

4. The disclosure under the heading "The Merger - Opinion of the Financial

Advisors to the Company - Opinion of Evercore Group L.L.C. - Summary of

Evercore's Financial Analyses - Selected Public Company Trading Analysis" is

hereby amended by deleting the disclosure (including the tables) under this

heading before the paragraph that begins "Based on the multiples it derived

for the selected companies…" on pages 33 to 34 of the Definitive Proxy

Statement, and replacing it with the paragraphs and the tables below:

Evercore reviewed and compared certain financial information of the Company to corresponding financial multiples and ratios for selected publicly traded companies in the heavyside construction materials industry (the "selected companies").



For each of the selected companies, Evercore calculated enterprise value, or
"EV" (defined as equity market capitalization plus total debt (including, as
applicable, pension and other post-employment benefits liabilities), plus
preferred equity and minority interest, less cash and cash equivalents) as a
multiple of estimated calendar year 2021 and 2022 earnings before interest,
taxes, depreciation and amortization (including, as applicable, adjustments for
certain non-recurring items) (for purposes of this section, "Adjusted EBITDA"),
which we refer to as "2021E Adjusted EBITDA" and "2022E Adjusted EBITDA",
respectively, in each case based on closing share prices as of June 4, 2021.
Estimated financial data of the selected companies were based on publicly
available research analysts' estimates.

The selected companies and the results of these analyses were as follows:





                Selected Public Companies
                                      Financial Metric
                                    EV /           EV /
                                    2021E         2022E
                                  Adjusted       Adjusted
Company                            EBITDA         EBITDA
Cemex, S.A.B. de C.V.                  7.7x           7.4x
CRH plc                                9.9x           9.4x
Eagle Materials Inc.                  11.6x          10.7x
HeidelbergCement AG                    6.0x           5.9x
LafargeHolcim Ltd.                     7.6x           7.1x
Martin Marietta Materials, Inc.       16.4x          15.2x
Summit Materials, Inc.                11.1x          10.5x
Vulcan Materials Company              18.2x          16.7x




Financial Metric              Low        High       Median
EV / 2021E Adjusted EBITDA     6.0x       18.2x       10.5x
EV / 2022E Adjusted EBITDA     5.9x       16.7x        9.9x

--------------------------------------------------------------------------------

5. The disclosure under the heading "The Merger - Opinion of the Financial

Advisors to the Company - Opinion of Evercore Group L.L.C. - Summary of

Evercore's Financial Analyses - Selected Transactions Analysis" is hereby

amended by deleting the disclosure (including the tables) under this heading

before the paragraph that begins "Based on the multiples it derived from the

selected transactions…" on pages 34 to 36 of the Definitive Proxy Statement,

and replacing it with the paragraphs and the tables below:

Evercore reviewed, to the extent publicly available, financial information related to selected transactions involving publicly-traded target companies in the heavyside construction materials industry announced since 2012 (the "selected transactions").



For each selected transaction, Evercore utilized the publicly available
information on transaction value or otherwise calculated the implied enterprise
value (defined as the target company's implied equity value based on the
consideration paid in the applicable transaction plus total debt, plus preferred
equity and minority interest, less cash and cash equivalents) as a multiple of
last twelve-month Adjusted EBITDA for the target company at the time of the
announcement of the applicable transaction (or in some cases where last
twelve-month financial information was not publicly available, as a multiple of
other publicly available Adjusted EBITDA). Estimated financial data of the
selected transactions were based on publicly available information at the time
of announcement of the relevant transaction.

The selected transactions and the results of this analysis was as follows:





                                   Selected Transactions
                                                                                     EV /
                                                                                   Adjusted
Date Announced               Target                          Acquiror               EBITDA
Aggregates

   May 2021      Lehigh Hanson, Inc. (U.S. West    Martin Marietta Materials,       12.1x*
                 Region)                           Inc.

   May 2021      Tiller Corporation                Martin Marietta Materials,       8.5x*
                                                   Inc.

  March 2021     StonePoint Ultimate Holding LLC   Arcosa, Inc.                     12.9x

February 2020    Coram Materials Corp.             U.S. Concrete, Inc.               9.1x

September 2017   Polaris Materials Corporation     U.S. Concrete, Inc.              56.1x

  June 2017      Bluegrass Materials Company       Martin Marietta Materials,       13.5x*
                                                   Inc.

   May 2017      Aggregates USA LLC                Vulcan Materials Company          N.A.

April 2017 Cemex S.A.B. de C.V. (Pacific HeidelbergCement AG (Cadman N.A.


                 Northwest U.S. Materials)         Materials, Inc.)

February 2016    Boxley Materials Company          Summit Materials, Inc.            N.A.

 January 2014    Texas Industries, Inc.            Martin Marietta Materials,       18.6x
                                                   Inc.

January 2014 Lafarge S.A. (North American Bluegrass Materials Company N.A.


                 Quarries)

Downstream and Other

   May 2021      Cementos Argos S.A. (Ready Mix    Smyrna Ready Mix Concrete        10.0x*
                 Concrete Plants in Dallas,
                 Texas)

November 2015    Hope Construction Materials       Breedon Group            

9.1x



February 2015    Lafarge S.A. & Holcim Ltd         CRH plc                  

8.7x


                 (Assets)

August 2015 Cemex S.A. (Austria & Hungary Rohrdorfer Group

N.A.


                 Operations)

March 2014 AMCOL International Corporation Minerals Technologies, Inc. 11.7x



  April 2014     Lafarge S.A.                      Holcim Ltd.                       8.6x

 October 2012    Bode Concrete LLC & Bode Gravel   U.S. Concrete, Inc.              10.7x
                 Co.

  March 2012     Norris Asphalt Paving Company     Summit Materials, Inc.            N.A.


Note: "*" means EV/Adjusted EBITDA multiple calculated by dividing the publicly
available transaction value or publicly available estimated transaction value by
the average of publicly available Adjusted EBITDA estimates for the target
company prepared and published by equity research analysts.

--------------------------------------------------------------------------------

Financial Metric        Low        High       Median       Mean
Aggregates
EV / Adjusted EBITDA     8.5x       18.6x       12.9x       12.4x
Downstream and Other
EV / Adjusted EBITDA     8.6x       11.7x        9.5x        9.8x
Overall
EV / Adjusted EBITDA     8.5x       18.6x       10.7x       11.1x


Note: The multiple from the Polaris Materials / U.S. Concrete transaction was
excluded from the calculation of the mean and high statistics because the figure
was greater than 25.0x and considered not meaningful. Low, high, median and mean
statistics excluded multiples from the following transactions because such
figures were not available: Aggregates USA LLC / Vulcan Materials Company, Cemex
S.A.B. de C.V. (Pacific Northwest U.S. Materials) / HeidelbergCement AG, Boxley
Materials Company / Summit Materials, Inc., Lafarge S.A. (North American
Quarries) / Bluegrass Materials Company, Cemex S.A. (Austria & Hungary
Operations) / Rohrdorfer Group and Norris Asphalt Paving Company / Summit
Materials, Inc.



6.  The disclosure under the heading "The Merger - Opinion of the Financial
    Advisors to the Company - Opinion of BNP Paribas Securities Corp. -

Comparable Trading Multiples" is hereby amended by deleting the paragraph

(including the table) under this heading that begins "The following table

represents the results of this …" on page 44 of the Definitive Proxy

Statement, and replacing it with the paragraph and the tables below:

The following table represents the results of this analysis of the 2021E EV/EBITDA and 2022E EV/EBITDA multiples as of June 4, 2021 of the above-identified comparable publicly traded companies:





                             2021E       2022E
                              EV/         EV/
                            EBITDA      EBITDA
Vulcan Materials Company      18.0x       16.3x
Martin Marietta Materials     15.7x       14.2x
Summit Materials              11.5x       10.8x
Eagle Materials               11.4x       10.4x




        2021E       2022E
         EV/         EV/
       EBITDA      EBITDA
High     18.0x       16.3x
Low      11.4x       10.4x



7. The disclosure under the heading "The Merger - Opinion of the Financial

Advisors to the Company - Opinion of BNP Paribas Securities Corp. -

Comparable Trading Multiples" is hereby amended by deleting the paragraph

under this heading that begins "Based upon these judgments…" on page 44 of

the Definitive Proxy Statement, and replacing it with the paragraph below:




Based upon these judgments and its professional judgment and expertise, BNP
Paribas selected a reference range of multiples of 8.5x to 10.5x and applied
such range to the Company's 2021E EBITDA based on the Company forecasts and a
reference range of multiples of 7.5x to 9.5x and applied such range to the
Company's 2022E EBITDA based on the Company forecasts, to calculate the
Company's equity value per share.

--------------------------------------------------------------------------------

8. The disclosure under the heading "The Merger - Opinion of the Financial

Advisors to the Company - Opinion of BNP Paribas Securities Corp. - Precedent

Transactions Multiples" is hereby amended by deleting the table under the


    first paragraph under this heading that begins "BNP Paribas performed a
    comparable transaction analysis,…" on page 45 of the Definitive Proxy
    Statement, and replacing it with the tables below:




                                           Integrated
 Announcement Date             Acquiror                     Target              EV/LTM EBITDA
May 2021               Martin Marietta Materials   Lehigh Hanson (West)            11.8x(1)
May 2021               Martin Marietta Materials   Tiller Corporation                8.5x
February 2016          Summit Materials            Boxley Materials                  8.5x
December 2014          Lone Star                   Hanson Building Products          9.6x
January 2014           Martin Marietta Materials   Texas Industries                 18.6x
October 2012           U.S. Concrete               Bode Concrete and Gravel         10.7x



(1) Purchase price net of net present value of tax assets.






                                              Aggregates
 Announcement Date             Acquiror                        Target                  EV/LTM EBITDA

March 2021             Arcosa                      Stonepoint                              13.4x
February 2020          U.S. Concrete               Coram                                    9.1x
September 2017         U.S. Concrete               Polaris                                 56.1x
June 2017              Martin Marietta Materials   Bluegrass Materials                     13.3x
July 2010              Bluegrass Materials         CEMEX                                     *
February 2010          SPO Partners                Ready Mix USA (Quarries Assets)           *



* Deal terms not publicly disclosed.






                       Ready Mix Concrete
Announcement Date   Acquiror        Target         EV/LTM EBITDA
May 2021            SRM        Argos Dallas            10.6x
August 2007         Boral      Schwarz Readymix        5.4x
March 2007          Titan      S&W Ready Mix           4.9x
October 2005        Argos      Southern Concrete       7.2x




9.  The disclosure under the heading "The Merger - Opinion of the Financial

Advisors to the Company - Opinion of BNP Paribas Securities Corp. - Precedent

Transactions Multiples" is hereby amended by deleting the last paragraph on

page 45 of the Definitive Proxy Statement under this heading that begins "BNP

Paribas then made qualitative judgments …" and replacing it with the

paragraph:

BNP Paribas then made qualitative judgments concerning differences between the
business, financial and operating characteristics and prospects of the Company
and the companies involved in the selected transactions, as well as other
factors, in order to provide a context in which to consider the results of the
quantitative analysis set forth in the above table. Such qualitative judgments
included consideration of (among other factors) the differing sizes, end market
exposures, relative product mixes, growth prospects, profitability levels and
degrees of operational and financial risk between the Company and the companies
included in the selected company analysis. Based upon these judgments, and its
professional judgment and expertise, BNP Paribas selected a reference range of
multiples of 8.5x-10.5x and applied such range to the Company's LTM EBITDA as of
March 30, 2021 to calculate a range of implied equity values per share for the
Company.


10. The disclosure under the heading "The Merger - Opinion of the Financial

Advisors to the Company - Opinion of BNP Paribas Securities Corp. - Other

Information" is hereby amended by deleting the last sentence of the paragraph

that begins "During the two years preceding the date of its opinion…" on page

47 of the Definitive Proxy Statement, and replacing it with the sentence

below (the new text in the Supplemental Disclosures is in boldface and

underlined to highlight the supplemental information being disclosed):




During the two years preceding the date of its opinion, BNP Paribas has not been
engaged by Vulcan as a financial advisor or to provide other services to Vulcan,
and BNP Paribas has not received any compensation from Vulcan during such
period.

--------------------------------------------------------------------------------

11. The disclosure under the heading "The Merger-Certain Company Forecasts" is

hereby amended and supplemented by including the text and the tables below

(and with respect to the tables, exactly as the tables appear below) on page

49 of the Definitive Proxy Statement prior to the "Financing of the Merger"

heading:




The following is a summary of the Company forecasts prepared by Company
management and provided to the Company Board and its advisors (amounts may
reflect rounding):



                                                             Calendar Year Ending December 31
($ in mm)                                        2021E(1)       2022E       2023E       2024E       2025E
Ready-Mix Revenue                               $    1,144     $ 1,279     $ 1,358     $ 1,429     $ 1,487
Aggregates Net Revenue (excluding freight)             172         184         228         243         251
Other Revenue                                           53          60          60          59          59

Total Revenue                                   $    1,369     $ 1,523     $ 1,646     $ 1,731     $ 1,797
Costs of Goods Sold                             $    1,060     $ 1,178     $ 1,263     $ 1,321     $ 1,373
Selling, General, Administrative and Other
Expenses                                        $      110     $   117     $   122     $   126     $   130

Adjusted EBITDA(2)                              $      200     $   228     $   261     $   284     $   295

(1) 2021E Revenue and Adjusted EBITDA figures for the Company include the

impact of cement shortages in the Central region, per Company management.






    (2)  Adjusted EBITDA represents net income (loss), excluding the impact of

income taxes, depreciation, depletion and amortization, net interest

expense and certain other non-cash, non-recurring and/or unusual,

non-operating items including, but not limited to: non-cash stock

compensation expense, non-cash change in value of contingent

consideration, acquisition-related costs, officer transition expenses,


         purchase accounting adjustments for inventory, and restructuring costs.



Note: Unlevered free cash flows for the Company were calculated by the Company's

financial advisors, based on the Company forecasts, and approved by Company


      management for use by the Company's financial advisors for purposes of
      their respective opinions and financial analyses.


Evercore calculated the estimated unlevered free cash flows for the Company,
based on information provided by Company management, as set forth in the table
below. Figures for the unlevered free cash flows calculated by Evercore took
into account certain domestic and foreign deferred tax liabilities of the
Company, as provided by Company management.



                                                                Calendar Year Ending December 31
($ in mm)                                            2021E(1)        2022E      2023E      2024E      2025E
Adjusted EBITDA                                     $      172       $  228     $  261     $  284     $  295
less taxes                                                  27           36         43         49         58
less capital expenditures                                   50           67         73         77         80
less Black Bear expansion investment                        -            41         -          -          -
less changes in net working capital                         11           13         16         10          8
less changes in deferred tax liabilities                     2            5          6          7          1
less contingent and deferred consideration in
relation to certain acquisitions previously
completed                                                    9            2          0         -          -
less non-cash stock compensation expense                    -            13         13         14         14

Unlevered Free Cash Flow                            $       74       $   51     $  108     $  128     $  134




  (1) Second through fourth quarters of 2021.


--------------------------------------------------------------------------------

BNP Paribas calculated the estimated unlevered free cash flows for the Company,
based on information provided by Company management, as set forth in the table
below.



                                                     Calendar Year Ending December 31
($ in mm)                                  2021E         2022E      2023E      2024E      2025E
Adjusted EBITDA                            $  200        $  228     $  261     $  284     $  295
less taxes                                     30            36         43         49         58
less capital expenditures                      62            67         73         77         80
less Black Bear expansion investment           -             41         -          -          -
less changes in net working capital             6            13         16         10          8
less non-cash stock compensation expense       13            13         13         14         14

Unlevered Free Cash Flow                   $   90 (1)    $   58     $  115     $  135     $  135

(1) BNP Paribas utilized an unlevered free cash flow of $45 million for the

third and fourth quarters of 2021.

No Offer or Solicitation / Additional Information and Where To Find It



This communication is for informational purposes only and does not constitute an
offer to sell or the solicitation of an offer to buy any securities, or a
solicitation of any vote or approval, nor shall there be any sale, issuance or
transfer of securities in any jurisdiction in which such offer, solicitation or
sale would be unlawful prior to registration or qualification under the
securities laws of any such jurisdiction. No offer of securities shall be made
except by means of a prospectus meeting the requirements of Section 10 of the
Securities Act of 1933, as amended.

This communication is being made in connection with the proposed transaction
between Vulcan and U.S. Concrete. In connection with the proposed transaction,
U.S. Concrete filed, and may in the future file, certain relevant documents with
the U.S. Securities and Exchange Commission ("SEC"), including the Definitive
Proxy Statement on Schedule 14A which was mailed to U.S. Concrete stockholders
in connection with U.S. Concrete's submission of the transaction for the
consideration by U.S. Concrete stockholders at a special meeting to be held on
August 16, 2021. This communication is not intended to be, and is not, a
substitute for the Definitive Proxy Statement or any other document that U.S.
Concrete has filed or may file with the SEC in connection with the proposed
transaction. INVESTORS AND SECURITY HOLDERS OF U.S. CONCRETE ARE URGED TO READ
THE DEFINITIVE PROXY STATEMENT AND OTHER RELEVANT DOCUMENTS THAT MAY BE FILED
WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS,
CAREFULLY AND IN THEIR ENTIRETY BECAUSE THEY CONTAIN IMPORTANT INFORMATION. The
Definitive Proxy Statement and other relevant materials and any other documents
filed or furnished by U.S. Concrete with the SEC may be obtained free of charge
at the SEC's website at www.sec.gov. In addition, copies of the Definitive Proxy
Statement and other relevant materials and documents filed by U.S. Concrete with
. . .

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