PORR : Conference Call Presentation, March 2024

DISCLAIMER

• This presentation was prepared by PORR AG (the "Company") solely for use at investors' meetings and is provided solely for informational purposes.
• This presentation dates from March 2024. The facts and information contained herein might be subject to revision in the future. Neither the delivery of this presentation nor any further discussions of the Company with any of the recipients shall, under any circumstances, create any implication that there has been no change in the affairs of the Company since such date. None of the Company or any of its subsidiaries or any of its shareholders or any of such person's directors, officers, employees or advisors nor any other person makes any representation or warranty, express or implied as to, and no reliance should be placed on, the accuracy or completeness of the information contained in this presentation. None of the Company or any of its subsidiaries or any of its shareholders or any of such person's directors, officers, employees and advisors nor any other person shall have any liability whatsoever for any loss howsoever arising, directly or indirectly, from any use of this presentation. The same applies to information contained in other material made available at the meeting.
• This document is selective in nature and is intended to provide an introduction to, and overview of, the business of the Company. Wherever external sources are quoted in this presentation, such external information or statistics should not be interpreted as having been adopted or endorsed by the Company as being accurate.

• This presentation contains forward-looking statements relating to the business, financial performance and results of the Company and/or the industry in which the Company operates. These statements generally are identified by words such as "believes", "expects", "predicts", "intends", "projects", "plans", "estimates", "aims", "foresees", "anticipates", "targets", and similar expressions. The forward-looking statements, including but not limited to assumptions, opinions and views of the Company or information from third party sources, contained in this presentation are based on current plans, estimates, assumptions and projections and involve uncertainties and risks. Various factors could cause actual future results, performance or events to differ materially from those described in these statements. The Company does not represent or guarantee that the assumptions underlying such forward- looking statements are free from errors nor do they accept any responsibility for the future accuracy of the opinions expressed in this presentation. No obligation is assumed to update any forward-looking statements.
• By accepting this presentation, you acknowledge that you will be solely responsible for your own assessment of the market and of the market position of the Company and that you will conduct your own analysis and be solely responsible for forming your own view of the potential future performance of the Company's business.

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2

3

Positive market outlook

Steady increase in order intake

Strong order book

High demand in infrastructure and industrial construction

Earnings increase at every level

Efficient cost management

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5

6

Optimised equity

20.8% equity ratio (+1.5 PP)

Enhanced working capital management

Receivables significantly reduced

Positive outlook 2024

Continuous improvements

POSITIVE MARKET OUTLOOK

STEADY INCREASE IN ORDER INTAKE

Rebound in European construction in 2025

Residential Non-residential Civil engineering Total

• Civil engineering with continuous growth
• Dip in residential construction overcome in H1/2024
• Turnaround in CEE countries already expected in 2024

Source: Euroconstruct, Dec 2023

PORR's order intake (in EURm)

CAGR: +5.0%

• Order intakes in infrastructure co-financedby EU funds (~EUR 1.3 tn of investments)
• Doubling order intake in Infrastructure International, double-digitincrease in PL
• Strong backlog increase started in Dec. 22

Production output per segment (in EUR m)

CAGR: +8.2%

• Double-digitincrease in PL, RO and DE
• Strong growth in infrastructure across all markets and segments

EBT & EBIT (in EUR m)

EBT (in % of output), EBIT (in % of revenue)

• EBIT margin in % of revenue at 2.3% moving towards mid-termtarget
• Margin increase despite challenging market environment and cost increases
• +34.3% in EPS to 2.21: all-timehigh

130

120

110

100

90

• Cost hikes normalising over the year 2023
• Expected and calculated second-roundinflationary effects in 2023 and 2024
• Downward price development for reinforcing steel (rebar) and timber

Sources: Statistik Austria, Feb 2024 and GENESIS data base, Feb 2024

Investor presentation: FY Results 2023

Own construction cost

• Absolute reduction in material expenses of 5.8%
• Efficiency increased in personnel costs
• Inflationary effects in salary and wages and related production services (i.e. subcontractors) reflected in orders and contracts

21.03.2024 I 8

• Equtiy ratio in target range of 20-25%
• Increase in equity of +7.7% mainly coming from retained revenue
• Refinancing of hybrid capital finalised, pro-formaequity ratio > 20.0%

240

200

154135

• Refinancing of hybrid capital enabling sustainable equity ratio >20%
• Transactions of Feb 2024 with marginal impact on EPS 2024
• Decreasing share of hybrid capital of total equity from 2023 to <20%

Net debt (-) / Net cash (+) (in EUR m)

6559

40

Net cash position

-135

• Stable net cash position of last 3 years
• Decreasing gross debt and high share of debt with fixed interest
• Efficient interest management leading to increase in financial result

Working Capital (in EUR m)

202

91

159

• Consequent working capital management
• Decrease in receivables of EUR 152m used to pay off liabilities