#039;000 #039;000 of FY24 by 9.2%. This result was driven by Defence and Mining & Industrial Sectors having lower revenue compared to PCP, which was offset

Slide 9: 1H FY25 Balance Sheet Summary

1H FY25 BALANCE SHEET SUMMARY Consolidated Entity Dec-24 Jun-24 Financial Position as at 31 December 2024 #039;000 #039;000 • Balance sheet continued to strengthen during 1H FY25, with Net ASSETS Assets increasing by 14.1% to $67.4m. Cash and cash equivalents 60,792 65,218 Trade and other receivables 47,6

Slide 10: 1H FY25 Cash Flow

1H FY25 CASH FLOW Strong Cash Conversion Investment Growth Solid Return to 84% • $8.6m in Capital Expenditure Shareholders • Operating cash flow before • $2.2m acquisition of GF • $5.5m of Dividends paid interest and tax to EBITDA Engineering during 1H FY25 1 Note 1: Operating Cash Flow Before Inter

Slide 11: 1H FY25 Banking Facilities

1H FY25 BANKING FACILITIES • The Group had successful negotiations with various Facility Limit Jan-25 Jun-24 Increase financiers during and after the end of the half-year $’000 $’000 $’000 period. As a result, the Group's banking facilities Bank Guarantee (MOF) 125,000 50,000 75,000 150.0% were incr

Slide 12: Operational Highlights

OPERATIONAL HIGHLIGHTS

Slide 13: Sustainability: Safety & Wellbeing

SUSTAINABILITY SAFETY & WELLBEING • No Lost Time Injuries recorded • Supervisor Leadership Program has continued to be facilitated across the business with over 100 Supervisors completing the program. • Implementation of AI-driven ergonomic coaching app to set up the correct manual handling and redu

Slide 14: Sustainability: Diversity, Community & Environment

SUSTAINABILITY D I V E R S I T Y, C O M M U N I T Y & ENVIRONMENT • National Association of Women in Construction (NAWIC) corporate member • Platinum sponsorship of Telethon Community Cinemas supporting multiple children’s charities • Ongoing sponsorship of local community initiatives • A Board Sust

Slide 15: Defence Performance and Outlook

DEFENCE PERFORMANCE AND OUTLOOK 1H FY25 PERFORMANCE • Revenue $97.5m at 12.1% gross margin • National delivery model resulted in wins across multiple States and Territories, consolidating Duratec’s position as a trusted delivery partner for Defence • Duratec Ertech Joint Venture (DEJV) awarded ECI H

Slide 16: Mining & Industrial Performance and Outlook

MINING & INDUSTRIAL PERFORMANCE AND OUTLOOK 1H FY25 PERFORMANCE • Revenue $72.5m at 22.6% gross margin • Award of $44m structural integrity project under existing MSA with Rio Tinto • Berth C&D project for BHP is progressing, including approved $5m scope extension, with potential for further works e

Slide 17: Building & Facade Performance and Outlook

BUILDING & FACADE PERFORMANCE AND OUTLOOK 1H FY25 PERFORMANCE • Revenue $55.2m at 18% gross margin • Substantial progress on current projects demonstrates specialist service offering is valued by stakeholders: • Air Apartments Adelaide facade works – $15.5m (ECI converted to main works contract) • D

Slide 18: Energy Performance and Outlook

ENERGY PERFORMANCE AND OUTLOOK 1H FY25 PERFORMANCE • Revenue $39.2m at 27.4% gross margin • Successful ongoing expansion within the Energy Sector, including: • Award of $21.8m KBSB Wharf Refurbishment, our first direct contract with Woodside • Onsite works at the Inpex Ichthys Facility in Darwin • C

Slide 19: Other Performance and Outlook

OTHER PERFORMANCE AND OUTLOOK ( I N C L U D E S M A R I N E , T R A N S P O R T & WAT E R I N F R A S T R U C T U R E ) 1H FY25 PERFORMANCE • Revenue $23m at 19% gross margin • AustRoads National Prequalification System (Road and Bridge) – McCoys Bridge Strengthening project on behalf of the Departm

Slide 20: 1H FY25 Performance: WPF

1H FY25 PERFORMANCE • Revenue of $28.6m, up 91.8% on PCP, delivering a Gross Profit of $7.8m (accounted for in the Energy and M&I sectors) • Darwin workshop cemented itself into the Northern Territory with site-based works for Inpex at the Ichthys Plant • Awarded the fabrication of Santos’ Pipeline

Slide 21: 1H FY25 Performance: MEnD

1H FY25 PERFORMANCE • Relocation to new office and purpose-built laboratory facility in Perth has increased MEnD’s capability to deliver for existing and new clients • Introduction of cutting-edge 360-degree cameras and SLAM scanning technology, combined with 3D reality model processing to enable ra

Slide 22: 1H FY25 Performance: DDR Australia

1H FY25 PERFORMANCE • DDR Australia Pty Ltd (DDR) is a joint venture equity accounted investment owned by Duratec (49%) and Hutcheson & Co Holdings Pty Ltd (51%) • The DDR Group delivered Revenue of $48.6m, up 105.1% on PCP • Awarded 2 contracts forming part of the Project Phoenix portfolio of works

Slide 23: 1H FY25 Operational Highlights: Master Services Agreements

1H FY25 OPERATIONAL HIGHLIGHTS MASTER SERVICES AGREEMENTS Represents 6-month actuals • Revenue generated by Master Services Agreements (MSA) and annuity style projects remained stable, representing approximately 26% of the 1H FY25 Revenue. • Annuity style projects remain a key focus of the Company.

Slide 24: Pipeline & Outlook

PIPELINE & OUTLOOK

Slide 25: Order Book, Tender and Pipeline

ORDER BOOK, TENDER AND PIPELINE 1,2 ORDER BOOK TENDERS3 PIPELINE4 11% 21% 13% 40% 33% 36% $410 $1.6 5% $4.1 million billion 6% billion 15% 50% 2% 12% 27% 18% 19% Note 1: As of 31 January 2025 Note 2: Figures include 49% share of DDR Australia Pty Ltd’s Order Book, Tenders, and Pipeline Note 3: Tende

Slide 26: Outlook

OUTLOOK SHORT TERM OUTLOOK • Healthy order book demonstrates good win rates on the small to medium sized projects • Strategies rolling out to further grow MSA works by diversifying offering to existing MSA clients includes cross- selling opportunities for WPF/ GF Engineering and Duratec • Works on

Slide 27: Questions

QUESTIONS

Slide 28: Question Session

C H R I S O AT E S MANAGING DIRECTOR QUESTION SESSION ASHLEY MUIRHEAD CHIEF FINANCIAL OFFICER OLLIE MCKEON EXECUTIVE MANAGER – C O R P O R AT E , S T R AT E G Y & I N V E S T O R R E L AT I O N S

Slide 29: Appendix

APPENDIX DURA TeEe

Slide 30: Corporate Snapshot

CORPORATE SNAPSHOT Share Price and Volume – 1H FY25 Substantial Holders – 31 December 2024 2,000,000 $1.80 Number of % Shares Shareholder Name 1,800,000 $1.60 Shares Outstanding 1,600,000 $1.40 1,400,000 ERTECH HOLDINGS PTY LTD 47,348,514 19.01% Volume Closing Price (AUD) $1.20 1,200,000 $1.00 1,000

Slide 31: Important Notice & Disclaimer

IMPORTANT NOTICE & DISCLAIMER This presentation has been prepared by Duratec Limited (ACN 141 614 075) ("Duratec", "Duratec Group" and the "Company"). The information contained in this presentation is for information purposes only. The information contained in this presentation is not investment or

Slide 32: Duratec Limited

DURATEC LIMITED 1 H F Y 2 5 R E S U LT S P R E S E N TAT I O N 20 FEBRUARY 2025

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