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Auckland International Airport (AIA) / HY24

Capex tripled to $602.8m, pre-lease FCF unprecedented at -$393.7m

Reinstated 6.75c dividend implies 83.9% NPAT payout that pre-lease cash flow cannot cover, leaving debt to fund both capex and the distribution.

Transport & Infrastructure / Airports

AIA revenue trajectory

Revenue context before the current result.

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HY26 was $519.6m, versus $1b in FY25.

AIA EBITDAF margin

EBITDAF margin across covered periods.

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  • HY23 AIA: Unprecedented low ebitda margin. 34%; 4-period range 47.8% to 80.7%. EBITDA margin: 34.0%, unprecedented low; 4-period mean 67.6%, range 47.8%-80.7%.
  • FY23 AIA: Outside range low ebitda margin. 63.4%; 4-period range 65.2% to 252.3%. EBITDA margin: 63.4%, below normal range; 4-period mean 127.9%, range 65.2%-252.3%.
  • HY25 AIA: Outside range high ebitda margin. 80.7%; 4-period range 34% to 71.5%. EBITDA margin: 80.7%, above normal range; 4-period mean 55.9%, range 34.0%-71.5%.
EBITDA margin: 80.7%, above normal range; 4-period mean 55.9%, range 34.0%-71.5%.

AIA operating cash flow

Operating cash flow across covered periods.

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HY26 was $185.4m, versus $474.3m in FY25.

AIA working-capital movement

Operating working-capital absorption or release by reporting period.

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  • FY21 AIA: Outside range high operating working-capital movement. $10.5m; 4-period range $-15.9m to $8m. Operating working-capital movement: NZ$10.5m, above normal range; 3/4 prior periods had builds averaging NZ$3.5m, and 1 had releases averaging NZ$-15.9m.
  • HY22 AIA: Unprecedented low operating working-capital movement. $-20.8m; 4-period range $3.1m to $30.7m. Operating working-capital movement: NZ$-20.8m, unprecedented low; 4/4 prior periods had builds averaging NZ$16.3m, and none had a working-capital release.
  • FY22 AIA: Unprecedented low operating working-capital movement. $-15.9m; 4-period range $1.2m to $10.5m. Operating working-capital movement: NZ$-15.9m, unprecedented low; 4/4 prior periods had builds averaging NZ$5.3m, and none had a working-capital release.
  • HY25 AIA: Outside range high operating working-capital movement. $30.7m; 4-period range $-20.8m to $23.1m. Operating working-capital movement: NZ$30.7m, above normal range; 3/4 prior periods had builds averaging NZ$11.5m, and 1 had releases averaging NZ$-20.8m.
Operating working-capital movement: NZ$30.7m, above normal range; 3/4 prior periods had builds averaging NZ$11.5m, and 1 had releases averaging NZ$-20.8m.
Release date
22 February 2024
Published
22 April 2026
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Key metrics

Numbers worth scanning first

HY24 vs HY23

Revenue

$440.5m

+53.1% ↑ vs $287.8m

Net profit after tax

$118.7m

Suppressed: metric quality flags mark this value as unsuitable for normal comparison.

Net cash inflow from operating activities

$209.1m

+49.0% ↑ vs $140.3m

Interim dividend per share

6.8c

↑ vs 0.0c

EBITDAF

$310.2m

+64.1% ↑ vs $189m

Operating profit

$203.2m

Suppressed: metric quality flags mark this value as unsuitable for normal comparison.

Profit before tax

$170.1m

n/m ↑ vs −$1.5m

Total assets

$11.3b

+9.6% ↑ vs $10.3b

What changed

Pre-lease free cash flow fell to -$393.7m, an unprecedented low against Annolyse's historical baseline (4-period mean -$180.1m, range -$315.7m to -$64.8m)

The driver is a 193.9% jump in capex to $602.8m, equivalent to 136.8% of revenue.

The operating recovery itself was strong but secondary in materiality: revenue rose 53.1% to $440.5m, EBITDAFI rose 64.1% to $310.2m, PBT swung from -$1.5m to $170.1m (+11,440.0%), and NPAT reached $118.7m versus $4.8m (+2,372.9%).

Net debt rose to $2.2b from $1.5b, gross borrowings climbed $620.3m, and an interim dividend of 6.75 cents was reinstated after the prior comparable's nil payment.

What matters

Capex outpaced operations by a wide margin

Pre-lease FCF of -$393.7m is materially below the supplied historical range of -$315.7m to -$64.8m, because capex of $602.8m exceeded operating cash flow of $209.1m by almost three times. This means AIA is funding a substantial portion of its build cycle from the balance sheet, and gross borrowings have expanded 38.5% in line with that intent.

The reinstated dividend sits at an elevated payout level. The payout ratio against NPAT is 83.9%, above Annolyse's historical baseline (4-period mean 28.6%, range 0.0%–62.6%). With pre-lease FCF deeply negative, neither pre- nor post-lease free cash flow covers the distribution, so the dividend is effectively debt-funded alongside capex. This matters because it constrains future financial flexibility if the capex programme runs longer or harder.

Headline earnings growth overstates underlying improvement. PBT growth of 11,440.0% is unprecedented but reflects a swing from a -$1.5m loss base; the EBITDAFI margin of 70.4% sits within the historical range (mean 66.4%). The operating recovery is real, but the percentage growth figures are not a clean read on durable earnings power.

Expectations

No quantitative FY24 target is supplied

The Chair's commentary flags that the rate of growth may slow over the second half as the local aviation industry "faces into" pressures, so the H1 trajectory should not be straight-lined.

The supplied seasonality shape is from the pandemic-recovery base period: HY23 represented 46.0% of FY23 revenue and 47.6% of FY23 EBITDAFI, implying a second-half-weighted pattern. Annualising current revenue at $881m gives a directional anchor only — the pattern is not a forecast, and management's caution on the second-half growth rate sits against it.

Quality of result

The operating result looks durable in its mix: the EBITDAFI margin of 70.4% is within Annolyse's historical range, debtor days at 21.3 sit at the lower edge of the historical range (mean 29.1), and the effective tax rate of 30.2% has normalised from a distorted 420.0% prior

ROE of 1.4% is within the historical range and remains low against the $8.4bn equity base, reflecting capital intensity rather than weak operations.

Cash quality, however, has weakened on the prior comparable. OCF/EBITDAFI fell to 67.4% from 74.2%, although the current level remains at the upper edge of the historical range (mean 54.9%). Trade debtors rose 81.1% to $51.6m — faster than revenue growth of 53.1% — which is consistent with traffic ramp-up but absorbs working capital. The decisive quality issue is that pre-lease FCF is unprecedented at -$393.7m, so the gap between reported earnings and shareholder cash generation is wider than at any point in the supplied baseline.

Unresolved

Open questions

What portion of the $602.8m H1 capex is contractually committed for the remainder of FY24, and what is the expected multi-year capex run-rate?
Why was the dividend reinstated at a level requiring an 83.9% NPAT payout when pre-lease FCF was -$393.7m and gross borrowings rose $620.3m?
How does management view a sustainable net debt/EBITDA level given the current 7.0x and the planned investment programme?
What underpins the Chair's signal that second-half growth may slow, and which revenue lines are most exposed?
Will the working-capital build in trade debtors reverse as traffic stabilises, or does the receivables base reset higher?

This briefing cannot assess the multi-year capex schedule, aeronautical pricing reset outcomes, or any specific debt covenant headroom that may govern the pace of distributions.

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Ask about AIA HY24

Ask follow-up questions about Auckland International Airport's HY24 result.

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Ask about AIA HY24

Informational only. No buy, sell, hold, price-target, or personal financial advice.

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Sign in to ask questions about Auckland International Airport's HY24 result.

What portion of the $602.8m H1 capex is contractually committed for the remainder of FY24, and what is the expected multi-year capex run-rate?Why does "Capex outpaced operations by a wide margin" matter?How strong was the cash and earnings quality in HY24?What should I watch next for AIA after HY24?

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Data appendix

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Sources

Current period

AIA - FY24 Interim Results Announcement

HY24 / results announcement↗

AIA - FY24 Interim Results Financial Statements

HY24 / financial report↗

AIA - FY24 Interim Results Market Release

HY24 / results release↗

AIA - FY24 Interim Results Presentation

HY24 / results presentation↗

Prior comparable period

AIA - FY23 Interim Financial Statements

HY23 / financial report↗

AIA - FY23 Interim Results Announcement

HY23 / results announcement↗

AIA - FY23 Interim Results Market Release

HY23 / results release↗

Full-year context

AIA - FY23 Annual Results Announcement

FY23 / results announcement↗

AIA - FY23 Annual Results Market Release

FY23 / results release↗

AIA - FY23 Financial Report

FY23 / financial report↗

Release context

AIA - 2023 Annual Meeting Chair & Chief Executive Addresses

HY24 / commentary↗

AIA - 2023 Annual Meeting Shareholder Poll Results

HY24 / commentary↗

AIA - Analyst and media webcast for FY24 interim results

HY24 / commentary↗

Related insights

Cross-company views selected from the metrics in this briefing.

Cash conversion quality

This result converted 67.4% of EBITDA to operating cash flow, -6.8pp versus the prior comparable period.

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Dividend coverage and payout pressure

Dividend payout versus NPAT is 83.9%.

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Leverage and balance-sheet risk

Net debt / EBITDA is 7.00x, -1.20x versus the prior comparable period.

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Earnings quality and statutory distortions

This result includes a statutory earnings-quality distortion flag.

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This briefing is based on available company filings and standard Annolyse calculations. It is general information only and does not constitute financial advice. The analysis may contain errors. Always read the original company filings and consult a licensed financial adviser before making investment decisions.

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