Q3 2021 FINANCIAL RESULTS November 9, 2021

Program Management | Project Management | Construction Management

Project Management Oversight | Management Consulting | Facilities Management

DELIVERING THE

INFRASTRUCTURE

OF CHANGE

Forward Looking StatementsCertain statements contained herein may be considered "forward-looking statements" within the meaning of the Private Securities Litigation

Reform Act of 1995, and it is the intent of Hill International, Inc. referred to throughout as “Hill” the “Company”, “we”, “us” and “our” that any

such statements be protected by the safe harbor created thereby. Except for historical information, the matters set forth herein including, but

not limited to, any statements of belief or intent, any statements concerning our plans, strategies, and objectives for future operations; and

any statements regarding our intent to file late periodic reports or relisting on a national securities exchange, are forward-looking statements.

These forward-looking statements are based on our current expectations, estimates and assumptions and are subject to certain risks and

uncertainties. Although we believe that the expectations, estimates, and assumptions reflected in our forward-looking statements are

reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Important

factors that could cause our actual results to differ materially from estimates or projections contained in our forward-looking statements are

set forth in the Risk Factors section and elsewhere in the reports we have filed with the Securities and Exchange Commission, including the

preparation of and the audit or review, as applicable, of filings may take longer than currently anticipated. We do not intend, and undertake no

obligation, to update any forward-looking statement.

2

Non-GAAP MeasuresThe following measures below are not measures of financial performance under U.S. generally accepted

accounting principles ("GAAP") and should be considered in addition to and not as a substitute for, or superior

to, the related measure of performance prepared in accordance with GAAP.

Backlog

Backlog represents the Company's estimate of the amount of uncompleted projects under contract and awards

in-hand that are expected to be recognized as CFR in future periods as a component of total revenue. Hill's

backlog is based upon the binding nature of the underlying contract, commitment or letter of intent, and other

factors, including the economic, financial and regulatory viability of the project and the likelihood of the

contract being extended, renewed or canceled. The company has added additional controls on the booking

rules to reflect more accurate actual backlog at any period. Although backlog reflects business that the

Company considers to be firm, cancellations or scope adjustments may occur. It is an important indicator of

future performance and is used by the Company in planning Hill's operational needs. Backlog is not a measure

defined in GAAP and the Company's methodology for determining backlog may not be comparable to the

methodology used by other companies in determining their backlog.

Adjusted Operating Profit (Loss)

Adjusted operating profit (loss) is operating profit (loss), adjusted to exclude non-cash items including

unrealized foreign currency exchange losses (gains), share-based compensation and the write-off of leasehold

improvements previously included in property and equipment on the Company's consolidated balance sheets.

The Company believes that adjusted operating profit (loss) is useful to investors and other external users of

Hill's financial statements as a measure of a company's core ongoing operations, without regard to non-cash

activity.

EBITDA & Adjusted EBITDA

Earnings before interest, taxes, depreciation and amortization ("EBITDA"), in addition to operating profit, net

income, and other GAAP measures, is a useful indicator of Hill's financial and operating performance and its

ability to generate cash flow from operations that are available for taxes and capital expenditures. Investors

should recognize that EBITDA might not be comparable to similarly titled measures of other companies. The

Company believes that EBITDA is useful to investors and other external users of Hill's financial statements in

evaluating its operating performance because EBITDA is widely used by investors to measure a company’s

operating performance without regard to items such as interest expense, taxes, and depreciation and

amortization, which can vary substantially from company to company depending upon accounting methods

and book value of assets, capital structure and the method by which assets were acquired.

Adjusted EBITDA is EBITDA, adjusted to exclude the impact of certain items, including non-recurring, one-time

costs (as presented in the table below) and non-cash items such as unrealized foreign currency exchange

losses (benefit) and share-based compensation expense.

Adjusted Net Income (Loss) Attributable to Hill

Adjusted net income (loss) attributable to Hill is net income (loss) attributable to Hill, adjusted to exclude non-

cash items including unrealized foreign currency exchange losses (gains), share-based compensation and the

write-off of leasehold improvements previously included in property and equipment on the Company's

consolidated balance sheets. The Company believes that adjusted net income (loss) attributable to Hill is

useful to investors and other external users of Hill's financial statements as a measure of a company's

operating performance, without regard to non-cash activity.

Free Cash Flow

Free cash flow, a non-GAAP measure, includes net cash provided by (used in) continuing operations, less

purchases of property and equipment. Free cash flow is a useful indicator that provides additional perspective

on Hill's ability to generate cash that is available to the Company for taxes and other corporate purposes.

Investors should recognize that free cash flow might not be comparable to similarly-titled measures of other

companies. This measure should be considered in addition to, and not as a substitute for or superior to, any

measure of performance prepared in accordance with GAAP.

3

Q3 2021 Overview

• 7.7% rise in CFR; expect continued improvement in CFR in Q4 2021

• Adjusted net income rose 60%, Adjusted EBITDA up 33%

• Highest new bookings quarter in 2021; book-to-burn ratio of 120%

• Free cash flow, unrestricted cash, and total liquidity each rose significantly from June 30, 2021

CFR

$77.1 M

Bookings

$92.6 M

Adj. Net Income*

$2.8 M

* non-GAAP measure

4

Net Income

$1.3 M

Free Cash Flow

$6.1 MAdj. EBITDA*

$6.4 M

$125 M Contract with Southern California Edison

5

• Providing program management and support services for one of the nation’s largest electric utilities

• $11 billion project replacing antiquated equipment and adding new infrastructure

• 10+ year relationship between Hill and SCE

• Sample Hill projects with SCE :• Mesa Substation: $650 M project• West of Devers Upgrade: $1 BN project• Transmission Line Rating Remediation (TLLR) Program: $600 M program

2021 Wins

Kosovo Railways JSC (INFRAKOS)

Supervision Services for Phase 2 Rehabilitation and Upgrade of Rail Route 10, Romania

Pennsylvania Turnpike Commission

Construction Management Services for PA Turnpike/I-95 Interchange, Phase 2

Anolia Holdings Ltd,

Project and Construction Management Services for Mixed Use Development, Grand Hyatt Limassol, Cyprus

6

Maryland Aviation Administration

Construction Management and Inspection Services forFive-Year Indefinite Delivery/Indefinite Quantity Contract

Miami-Dade County Aviation Department (MDAD)

Program Management Services for $5 billion Capital Improvement Program (CIP).

City of Philadelphia, Division of Aviation

Continuation of Program Administration Support Services for Ongoing Capital Program at Philadelphia International Airport (PHL)

Infrastructure Bill Update

PUBLIC TRANSIT

AVIATIONPORTS & HARBORS

• $550 billion of new federal investments in America's infrastructure over five years

• Hill is well-positioned to capture these opportunities

• 46% of 2021 9-month new awards were infrastructure related

• 2020 infrastructure awards = $193 M

WATER

ELECTRIC GRID

https://www.cnn.com/2021/07/28/politics/infrastructure-bill-explained/index.html

7

Source:

ROADS, BRIDGES, MAJOR INFRASTRUCTURE

$110 BN $39 BN

$17 BN $25 BN

$65 BN

$55 BN

Statement of Operations Summary ($ in Thousands)

Q3 2021 Q3 2020

Consulting fee revenue $ 77,061 $ 71,543

Total revenue $ 96,604 $ 88,652

Gross profit $ 32,408 $ 28,654

Selling, general and administrative expenses $ 28,121 $ 25,588

Operating profit (loss) $ 4,327 $ 4,743

Interest and related financing fees, net $ 1,226 $ 1,275

Other loss, net $ - $ 152

Earnings (loss) before income taxes $ 3,101 $ 3,316

Income tax expense $ 1,784 $ 1,071

Net income (loss) attributable to Hill Int’l., Inc. $ 1,259 $ 2,114

9 Mo. 2021 9 Mo. 2020

$ 227,158 $ 224,453

$ 285,237 $ 276,409

$ 90,923 $ 86,331

$ 82,906 $ 80,543

$ 7,071 $ 4,187

$ 4,077 $ 3,870

$ - $ 3,654

$ 2,994 $ (3,337)

$ 4,653 $ 2,776

$ (1,924) $ (6,421)8

CFR: U.S. Focus, Global Reach Q3 2021 Total CFR = $77.1 M

Americas(predominantly U.S.)

$34.5 M

44.8%

Europe

Africa

$8.9 M

11.5%

Middle East Asia Pacific

$21.4 M

27.7%

(predominantly Middle East)

Africa8.3%

26.2%

31.8%

$12.3 M

16.0%

9 Months 2021Total CFR = $227.2 M

Americas (pred. U.S.)

EuropeAfrica

ME / Asia-Pac (pred. ME)

$101.0 M 44.5%

$62.1 M 27.3%

$37.0 M 16.3%

$27.1 M 11.9%

9

Financial Overview ($ in MMs)

* Non-GAAP measure

Adjusted Operating Profit * Adjusted Net Income (loss)* Adjusted EBITDA *

Q3 ‘20 Q3 ‘21 9 Mo.‘20 9 Mo. ‘21

$4.4$5.9

$11.4

$9.4

$1.8

$4.9

$6.4$4.8

$13.3$11.0

10

Q3 ‘20 Q3 ‘21 9 Mo.‘20 9 Mo. ‘21

$2.8

$0.4

Q3 ‘20 Q3 ‘21 9 Mo.‘20 9 Mo. ‘21

Total Cash ($ in MMs)

12/31 3/31/21 6/30/21 9/30/21 12/31/21 (E)

$41.4

$34.2

$7.2*

$18.9

$7.8*

$26.7 • 24% improvement at September 30, 2021 from March 31, 2021

• Q3 2021 total liquidity improved to $38.6 M

• Unrestricted cash expected to continue to grow in Q4 2021

* Restricted Cash

$28.7

$21.0

$7.7*

11

$26.3

$6.9*

$33.2

Free Cash Flow($ in MMs)

* Non-GAAP measure

$7.7

9/30 12/31/20

$8.3

3/31/21

$(17.5)

• Second consecutive quarter of positive free cash flow

• Expect to continue to generate positive cash flow in Q4 2021

• Continuing focus on debt paydown

12/31/21 (E)6/30/21

$3.3

12

$6.1

9/30/21

Total Backlog ($ in MMs)

12/31/20 3/31/21 6/30/21 9/30/21

Backlog by Geography9/30/21

Americas42.8%

Europe16.2%

Middle East / Asia / Pacific

23.7%

Africa17.3%

$666.7

$681.3$672.3

13

$660.7

2021 Outlook

• Higher CFR to be driven by new awards, extensions to existing contracts

• Reflects projects deferrals in the Middle East and, to a lesser degree, U.S., all of which are expected to commence in 2022

• Will balance with working capital requirements associated with an anticipated resumption in growth during 2021

CFR

$305 - $315 M

Adjusted EBITDA

$20 - $22 M

3% -6%*

5%-16%*

*Compared to FY 202014

Appendix

15

Reconciliation Tables (Non-GAAP measures to most directly comparable GAAP measures)

16

(1) The write-off of leasehold improvements that was incurred during the quarter ended March 31, 2020 as a result of the sublease of the Company's corporate headquarters as part of its cost reduction initiatives was included in depreciation and amortization expense and is reflected in SG&A in the Company's consolidated statements of operations.

(2) Non-recurring activity includes the partial collection of a fully reserved receivable in Libya, net of other non-recurring activity, during the nine months ended September 30, 2021