Item 8.01 Other Events.





             SUPPLEMENTAL DISCLOSURE TO DEFINITIVE PROXY STATEMENT



The following supplemental information should be read in conjunction with the
Definitive Proxy Statement, which should be read in its entirety. To the extent
that information in this supplement differs from or updates information
contained in the Definitive Proxy Statement, the information in this supplement
shall supersede the information in the Definitive Proxy Statement. All
page references are to pages of the Definitive Proxy Statement, and all terms
used below, unless otherwise defined, shall have the meanings set forth in

the
Definitive Proxy Statement.



The following disclosure is added after the first full paragraph on page 8:



On October 19, 2022, an additional lawsuit captioned Brian Dixon v. Hill
International, Inc. et al., Case No. 1:22-cv-01374, was filed in the United
States District Court for the District of Delaware, and on October 21, 2022,
another lawsuit captioned Sean Riley v. Hill International, Inc. et al., Case
No. 1:22-cv-08983, was filed in the United States District Court for the
Southern District of New York (the "Additional Complaints"). The Additional
Complaints contain substantially similar allegations and claims for relief as
the Stein Complaint. The Company and the Company Board believe that the claims
asserted in the Additional Complaints are without merit.



The following disclosure is added as the last sentence in the second full paragraph on page 22:





The confidentiality agreement contained a standstill provision and a customary
"don't ask/don't waive" provision prohibiting GISI from requesting that the
Company amend or waive the standstill provisions. All executed confidentiality
agreements with other potential acquirers contained similar "don't ask, don't
waive" provisions and none of such confidentiality agreements prohibited the
making of any confidential, non-public proposals to the Company Board for a
potential transaction with the Company.



The following disclosure is added as the last sentence in the last full paragraph on page 35:

To Hill's knowledge, during the negotiations between Hill and GISI, no commitments were made for continued employment of any member of Hill executive management.

The following disclosure is added after the third sentence in the last paragraph on page 35:





Representatives of Houlihan Lokey disclosed to the Company Board that Houlihan
Lokey has provided valuation services to GISI in the past, that the members of
the team advising the Company in connection with the merger were not involved in
the delivery of such services to GISI, and that Houlihan Lokey was not
representing GISI in connection with the merger.



The following disclosure replaces in its entirety the table on page 43: under "Selected Companies Analysis":





                                      Enterprise Value       Enterprise Value       Enterprise Value
Company                                     LTM                   2022E                  2023E
AECOM                                              13.2 x                 13.0 x                 12.0 x
Bureau Veritas SA                                  14.1 x                 11.7 x                 11.0 x
Fluor Corporation                                   9.1 x                  7.1 x                  6.7 x
Jacobs Engineering Group Inc.                      14.2 x                 14.4 x                 13.1 x
KBR, Inc.                                          15.1 x                 13.5 x                 11.7 x
NV5 Global, Inc.                                   18.7 x                 16.1 x                 15.1 x
RPS Group plc1                                     14.9 x                 11.4 x                 10.8 x
SNC-Lavalin Group Inc.                             17.9 x                 10.7 x                  8.9 x
Stantec Inc.                                       18.2 x                 12.2 x                 11.2 x
Worley Limited                                     13.1 x                 12.2 x                 10.9 x
WSP Global Inc.                                    17.9 x                 13.2 x                 10.8 x

Granite Construction Incorporated                  11.8 x                 

7.6 x                  5.2 x
MasTec, Inc.                                       12.0 x                 11.6 x                  8.3 x
Matrix Service Company                              NMF                    NMF                    4.9 x
Primoris Services Corporation                       7.6 x                  6.6 x                  5.4 x
Quanta Services, Inc.                              17.6 x                 15.5 x                 14.1 x
Skanska AB                                          6.2 x                  6.7 x                  6.7 x
Sterling Infrastructure, Inc.                       6.7 x                  6.0 x                  5.6 x
Tutor Perini Corporation                            NMF                    NMF                    3.5 x




                                       2




The following disclosure replaces in its entirety the table on page 44: under "Selected Transactions Analysis":





                                                                       Transaction
                                                                        Value/ LTM
Date                                                                     Adjusted
Announced      Target                     Acquiror                        EBITDA
8/8/2022       RPS Group plc              WSP Global Inc.                        14.7 x
7/25/2022      Infrastructure and         MasTec, Inc.
               Energy
               Alternatives, Inc.                                                 9.1 x
6/27/2022      PLH Group, Inc.            Primoris Services
                                          Corporation                             8.7 x
12/20/2021     Henkels & McCoy            MasTec, Inc.
               Group, Inc.                                                        8.6 x
11/7/2019      Quantum Spatial, Inc.      NV5 Global, Inc.                       13.7 x
9/3/2019       APi Group Inc.             J2 Acquisition Limited                  7.8 x
10/21/2018     Energy, Chemicals and      WorleyParsons Ltd.
               Resources
               Business of Jacobs
               Engineering                                                       11.3 x
7/30/2018      Berger Group               WSP Global Inc.
               Holdings, Inc.                                                     8.9 x
3/28/2018      Willbros Group, Inc.       Primoris Services
                                          Corporation                             NMF
2/14/2018      Layne Christensen          Granite Construction
               Company                    Incorporated                           14.5 x
12/18/2017     Chicago Bridge & Iron      McDermott
               Company                    International, Inc.                     NMF
8/2/2017       CH2M HILL                  Jacobs Engineering Group
               Companies, Ltd.            Inc.                                   10.0 x
4/3/2017       WS Atkins plc (nka:WS      SNC-Lavalin Group Inc.
               Atkins Limited)                                                   10.2 x
3/31/2017      TRC Companies, Inc.        New Mountain Capital,
                                          LLC;
                                          New Mountain Partners
                                          IV, L.P.                               13.0 x
3/13/2017      Amec Foster Wheeler plc    John Wood Group PLC                     9.6 x
2/28/2017      Capital Services           Veritas Capital
               division of CB&I                                                   8.3 x
5/23/2016      Wyle Inc.                  KBR Holdings, LLC                       8.5 x
3/29/2016      MWH Global, Inc.           Stantec Inc.                            9.5 x




                                       3




The following disclosure replaces in its entirety the tables on page 47:





The following table sets forth the estimated amounts of the Net Income, EBITDA
and Adjusted EBITDA for the Company for the fiscal year ending December 31, 2022
(amounts may reflect rounding):



($ millions)                    2022E
Operating Profit                  19.6
Foreign Exchange                     -
Other (Income) Expense             0.4
Interest Expense                   5.0
Income Tax                         7.0
Net Income                         7.2
Interest Expense & Income Tax     12.0
Depreciation & Amortization        2.5
EBITDA                            21.7
Unrealized Foreign Exchange          -
Stock Compensation                 2.2
Brazil                               -
South Africa Claims Group Tax     0.08
Libya Collection                     -
Other                             0.02
Adjusted EBITDA                   24.0




                                       4





The following table sets forth the estimated amounts of the Operating Profit,
EBITDA and the Adjusted EBITDA, by region and on a consolidated basis, for the
Company for the 2023 and 2024 fiscal years (amounts may reflect rounding):



2023E ($ millions)   Africa       APAC      Europe       Middle East       Americas       Corp        Hill Intl
Operating Profit        11.0        3.2        13.0              11.5           44.0           -            82.8
Back office SG&A        (0.7 )     (0.5 )      (4.5 )            (3.5 )        (10.1 )     (37.9 )         (57.1 )
EBIT                    10.3        2.7         8.6               8.1           33.9       (37.9 )          25.7
Depreciation             0.1        0.1         0.3               0.3            0.5         1.5             2.8
EBITDA                  10.4        2.8         8.8               8.4           34.5       (36.4 )          28.5
Stock Comp               0.0          -         0.1               0.2            0.2         1.7             2.3
Unrealized FX              -          -           -                 -              -           -               -
Other Adjustments          -          -           -                 -              -        (0.4 )          (0.4 )
Adjusted EBITDA         10.4        2.8         8.9               8.6           34.7       (35.1 )          30.4




2024E ($ millions)   Africa       APAC      Europe       Middle East       Americas       Corp        Hill Intl
Operating Profit        12.7        3.5        16.3              14.2           50.6           -            97.3
Back office SG&A        (0.7 )     (0.5 )      (4.7 )            (3.6 )        (10.6 )     (39.8 )         (59.9 )
EBIT                    12.0        3.1        11.6              10.5           40.0       (39.8 )          37.4
Depreciation             0.1        0.1         0.3               0.3            0.6         1.6             3.1
EBITDA                  12.1        3.1        11.9              10.9           40.6       (38.1 )          40.5
Stock Comp               0.0          -         0.1               0.2            0.2         1.8             2.4
Unrealized FX              -          -           -                 -              -           -               -
Other Adjustments          -          -           -                 -              -        (0.4 )          (0.4 )
Adjusted EBITDA         12.1        3.1        12.0              11.1           40.8       (36.7 )          42.5




                        Company Unlevered Free Cash Flow



                                      Projected Fiscal Year Ending December 31,
($ millions)                2022E           2023E            2024E          Terminal Year
Unlevered Free Cash Flow        4.2             14.6             20.5                 26.8



The following disclosure is added after the first full paragraph on page 53:





On October 19, 2022, an additional lawsuit captioned Brian Dixon v. Hill
International, Inc. et al., Case No. 1:22-cv-01374, was filed in the United
States District Court for the District of Delaware, and on October 21, 2022,
another lawsuit captioned Sean Riley v. Hill International, Inc. et al., Case
No. 1:22-cv-08983, was filed in the United States District Court for the
Southern District of New York (the "Additional Complaints"). The Additional
Complaints contain substantially similar allegations and claims for relief as
the Stein Complaint. The Company and the Company Board believe that the claims
asserted in the Additional Complaints are without merit.



                                       5

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