Investor Presentaiton

Significant investment in FY23 to drive longer term growth $1,070m Regulated Growth Capex $242m Non Regulated Growth Capex SIB Capex Foundational capex • FY23 Key drivers Growth capex on regulated assets: • • Western Outer Ring Main project Winchelsea Compressor Station Growth capex on Non Regulated assets included: . East Coast Grid capacity expansion $689m $68m $603m • Kurri Kurri Gas Lateral • Northern Goldfields Interconnect • Gruyere Hybrid Energy Microgrid • Dugald River Solar Farm $456m $193m $130m $35m FY22 $32m FY23 (1) Total consideration for the acquisition of Basslink was $758m excluding cash balances acquired of $25m (2) The capex considerations on this slide reflect management's current expectations. They are based on management's view of the current and anticipated needs of APA Group in the relevant financial years. They are subject to review and change from time to time. See the disclaimer in slide 2 of this presentation for further details regarding forward-looking statements. (3) SIB capex comprises both Asset and IT lifecycle maintenance The capital expenditure shown in this table represents payments for property, plant and equipment, and intangibles as disclosed in the cash flow statement, and excludes accruals brought forward from the prior period and carried forward to the next period. • • Foundation capex includes technology investments and corporate real estate FY23 also saw $110m invested in the Basslink acquisition¹ which was completed in 1H23 FY24 capex considerations² Total SIB capex³ expected to peak in FY24 at ~$200m. This includes Basslink, gas transmission pipeline integrity works across the portfolio, and a maintenance program at Diamantina Power Station. SIB capex is expected to taper over the following two years. Foundation capex expected to peak in FY24 at ~$150m, which includes our Grid Solutions Program implementation (hydrocarbon accounting system), emissions reduction program and Secure Energy (physical assets). This investment is required to meet our legislative, regulatory and environmental requirements. apa APA FY23 Results Investor Presentation 32

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