Agl Energy Limited · ASX:AGL
Agl Energy — Corporate Update (June 2025)
26 slides from Agl Energy's corporate update, Jun 3, 2025
Slide 1: Newcastle Community Dialogue Group
Newcastle Community Dialogue Group Tuesday, 3 June 2025
Slide 2: Acknowledgement of Country
We are meeting today in the Hunter Region of New South Wales on the lands of the Worimi People. We acknowledge the Worimi People as the Traditional Custodians of this land 2 and pay our respects to their Elders past and present.
Slide 3: Agenda
Agenda 1 Open and welcome, apologies, declarations, previous minutes, business arising and correspondence 4 Tomago Battery Project Update 2 Newcastle Gas Storage Facility latest news 5 General business, next meeting and close 3 AGL Update Newcastle Community Dialogue Group | 3 June 2025 3
Slide 4: NGSF Update – this period
NGSF Update – this period Open and welcome, apologies, declarations, previous minutes, business a rising and correspondence • No major incident, MTIs or LTIs • Tank is full; 1.4 PJ • Critical maintenance commenced • Awaiting cooler weather to inject gas back to the grid 4 Newcastle Community Dialogu
Slide 5: NGSF – Since 2015
NGSF – Since 2015 • Noand Open LTI welcome, or Serious Injury indeclarations, apologies, 10 years previous minutes, business a rising and correspondence • One MTI – offsite in 2017 • License to operate from SafeWork NSW • No major PINs and notices from the regulators • No breach of licenses • Recogn
Slide 6: Hosting Joint Chemical Engineering Committee Members
Hosting Joint Chemical Engineering Committee Members 6
Slide 7: Environment update
Environment update No environmental incidents or regulatory non-compliances during the reporting Open period and welcome, apologies, declarations, previous minutes, business a rising and correspondence • Medowie Offsets Properties o Lot 16 and Lot 20 Old Swan Bay Rd, Ferodale o Each Lot is approxima
Slide 8: Environment - Upcoming priorities
Environment - Upcoming priorities Open and welcome, apologies, declarations, previous minutes, business a rising and correspondence o EPL 20130 Annual Return Report o FY25 Sustainability Report o FY25 National Pollutant Inventory Report o Annual review of Pollution Incident Response Management Plan
Slide 9: Environment update – water monitoring
Environment update – water monitoring (Amelia) Groundwater and surface water sampling completed in accordance with the Operations Water Management Plan in March 2025 • Two exceedances of adopted threshold but results consistent with previous monitoring Groundwater Well Exceedance Criteria Understand
Slide 10: AGL in the Community
AGL in the Community Jo Ferguson – Manager Community Relations 10
Slide 11: The Newcastle Show
The Newcastle Show Thankyouto [7 our Sponsors $ 3,601,000 EST ECONOMIC VALUE “NEWCASTLE SWUM ee ee A = a UE Sono A [[ unteasuine exTRAoRDINARY ™
Slide 12: Celebrating 10 Years of Operation at NGSF
Celebrating 10 Years of Operation at NGSF Footer | Date (Format: X Month 2017 ) 12
Slide 13: Celebrating 10 Years of Operation at NGSF
Celebrating 10 Years of Operation at NGSF 13
Slide 14: 10 years supporting our community
10 years supporting our community • Hunter Region Botanic Gardens • Port Stephens Family & Neighbourhood Services • Native Animal Trust Fund • Bikers for Kids Toy Run • Hunter Life Educations • Hunter Wildlife Rescue • Tanilba bay & District Senior Citizens • Caring for our Port Stephens Youth • Hun
Slide 15: AGL Update
AGL Update Newcastle Community Dialogue Group | 1 June 2023 15
Slide 16: Priorities for FY 2025
Priorities for FY 2025 Helping our customers decarbonise the way they Customers live, move and work while transforming our retail business. Developing our renewable and firming capacity pipeline, Portfolio including repurposing our existing thermal sites into energy hubs Running our business excepti
Slide 17: AEMO's 2024 Integrated System Plan
AEMO's 2024 Integrated System Plan Key facts and figures (‘step Change’ scenario) a e - = = © SF A {tio {| y HO-OH Storage capacity Grid-scale wind and solar Distributed solar PV Electricity consumption Gas-powered generation Coal generation to increase to increase to increase from the grid to incre
Slide 18: AGL's current portfolio prioritises deployment of firming assets
AGL’s current portfolio prioritises deployment of firming assets to meet immediate market needs, while also building renewable options AEMO has forecast a requirement for ~24GW of AGL’s current pipeline comprises ~10GW firming storage capacity in the NEM by 2029-30 and ~6GW renewable opportunities S
Slide 19: AGL is focused on progressing firming assets in the Hunter region
AGL is focused on progressing firming assets in the Hunter region due to its favourable geographic characteristics Muswellbrook Legend Pumped Hydro 400 MW / 8hrs Existing development pipeline Battery 150 MW / 2hrs New addition to pipeline* Glenbawn Pumped Hydro 770 MW / 10hrs Projects under construc
Slide 20: AGL is pursuing a range of firming options
AGL is pursuing a range of firming options, as no single asset class can meet all market needs A combination of firming assets will be required to support the energy transition Role of Asset Batteries Gas Powered Pumped Hydro (2-4 hrs) Generation (8+ hrs) Wholesale Market Services ✓ ✓ ✓ Ancillary Se
Slide 21: 500 MW Liddell Battery on track for early 2026
500 MW Liddell Battery on track for early 2026 250 MW expected to be operational in early 2026; remaining 250 MW expected by April 2026 500 MW / 1,000 MWh Grid-forming battery with a 20-year asset life. Fluence is the EPC provider. Commencement of operations expected in early 2026 ~30% complete with
Slide 22: Tomago Battery Project
Tomago Battery Project 500MW/2000MWh (4 hours duration) 22
Slide 23: Tomago Battery approvals timeline
Public SSD AGL RTS EIS Submission Exhibition 28 Approval Construction Operational Response 30 16 Nov 2023 days to 13 8 Nov Q2 2026-2028 from 2028 June 2024 Dec 2023 2024 CONFIDENTIAL | Newcastle Community Dialogue meeting |3 June 2025
Slide 24: Tomago Battery Project updates
Updates • 132kv Transmission Line Route selected. • AGL received approval • to enable staging of the Fire Safety Study (FSS) under Condition B28 so that approval of the final FSS for the battery components is not required until the components, are due to be installed and energised. • to update the s
Slide 25: Questions
Questions NYA rr ag| Join the change 25
Slide 26: Thank you!
Thank you! NYA rr ag| Join the change 26