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Auckland International Airport (AIA) / HY23

Revenue doubled to $287.8m but NPAT collapsed 95.6% on lost HY22 revaluation

Travel-led recovery lifted EBITDA 62% to $97.9m, but $261.6m of capex pushed free cash flow to -$121.3m and HY22 carried a $132m revaluation gain.

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
23 February 2023
Published
22 April 2026
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Key metrics

Numbers worth scanning first

HY23 vs HY22

Revenue

$287.8m

+128.1% ↑ vs $126.2m

EBITDA

$97.9m

+62.4% ↑ vs $60.3m

Net profit after tax

$4.8m

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

Net cash inflow from operating activities

$140.3m

+374.0% ↑ vs $29.6m

Final dividend per share

0.0c

flat vs 0.0c

Operating profit

$29.2m

-75.7% ↓ vs $120.1m

Profit before tax

−$1.5m

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

Cash and cash equivalents

$62.8m

+78.9% ↑ vs $35.1m

What changed

Revenue rose 128.1% to $287.8m as international travel returned, against $126.2m in HY22 — an unprecedented growth rate versus Annolyse's historical baseline (4-period mean 16.6%, range -4.0% to 53.1%)

EBITDA increased 62.4% to $97.9m, but PBT swung to -$1.5m from $93.3m (-101.6%) and NPAT fell 95.6% to $4.8m from $108.8m. The prior-period NPAT was bolstered by a $132m non-cash investment revaluation gain, which is the main reason the headline year-on-year profit comparison looks far worse than the operating recovery.

Operating cash flow jumped to $140.3m (HY22: $29.6m), but capital investment of $261.6m (HY22: $124.4m) drove FCF pre-lease to -$121.3m. Gross borrowings rose 10.8% to $1.6b, lifting net debt to $1.5b even as net debt/EBITDA fell to 15.8x from 23.5x on stronger earnings.

What matters

The reported NPAT decline overstates the operating change

PBT growth of -101.6% and NPAT growth of -95.6% are dominated by the absence of HY22's $132m revaluation gain rather than a deterioration in the underlying business. EBITDA at +62.4% and revenue at +128.1% are the cleaner read on operating recovery, and both are well above the historical baseline.

Reinvestment intensity is the real cash story. Capex of $261.6m equals 90.9% of half-year revenue and is more than double the prior-period figure. Operating cash flow recovered strongly, but the entire OCF surge and more is being consumed by the capital programme; FCF/NPAT of -2,527.1% and FCF pre-lease of -$121.3m show the recovery is being funded back into the asset base, with gross borrowings up $157.3m to support it.

EBITDA margin sits at an unprecedented low. The 34.0% EBITDA margin is well below the historical mean of 67.6% (range 47.8%–80.7%). The dollar EBITDA has recovered but the cost base has rebuilt faster than revenue per unit of activity, so the margin recovery has further to run before economics return to the pre-disruption shape.

Expectations

No forward earnings target or quantitative guidance is supplied with this release, and no interim dividend has been declared, matching the prior comparable

The supplied second-half shape context shows HY22 represented 42.0% of FY22 revenue and 41.7% of FY22 EBITDA, indicating a second-half-weighted pattern; if that shape holds, the implied FY23 revenue run-rate is meaningfully above HY23 annualised at $575.6m.

What the release does not support is any view on margin trajectory: it confirms revenue is returning but not that the EBITDA margin gap to the historical 67.6% mean closes within FY23, and the heavy capex programme means cash returns to shareholders cannot be inferred from operating recovery alone.

Quality of result

The operating recovery looks durable — passenger volumes and aeronautical, retail and property segment revenue support a return to economic activity rather than a one-off

However, several quality flags warrant attention.

Cash conversion at 143.3% (OCF/EBITDA) is unprecedented versus Annolyse's historical baseline (4-period mean 53.2%, range 46.3%–67.4%) and should not be extrapolated. Debtor days fell to 18.0, an unprecedented low versus the 29.9-day historical mean, and operating working-capital movement was just $3.1m versus a historical pattern of $20.7m builds in every prior period observed. Both look favourable but timing-related; as activity normalises, working capital should rebuild and conversion should revert toward the historical band.

The 420.0% effective tax rate is mechanically distorted because PBT is near zero (-$1.5m), so a small tax credit produces an outsized rate. PBT growth of -101.6% is the cleaner operating read than NPAT growth.

Unresolved

Open questions

What is the multi-year envelope and completion timing of the $261.6m capex programme, and at what point does capex intensity step down toward historic levels?
Why is the EBITDA margin at 34.0% against a 67.6% historical mean, and which cost lines are expected to normalise as volumes recover?
When does the board expect to resume dividends, and what FCF or leverage threshold gates that decision?
How much of the unprecedented cash conversion and 18-day debtor days is timing, and what working-capital rebuild is expected in 2H23?
What is the deferred-tax driver behind the 420.0% effective rate this period, and how should it normalise as PBT scales?

This briefing cannot assess passenger-volume trajectories, aeronautical pricing settings, or the specific project pipeline behind the capex programme.

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Ask about AIA HY23

Ask follow-up questions about Auckland International Airport's HY23 result.

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Sign in to ask questions about Auckland International Airport's HY23 result.

What is the multi-year envelope and completion timing of the $261.6m capex programme, and at what point does capex intensity step down toward historic levels?Why does "The reported NPAT decline overstates the operating change" matter?How strong was the cash and earnings quality in HY23?What should I watch next for AIA after HY23?

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Data appendix

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Sources

Current 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↗

AIA - FY23 Interim Results Presentation

HY23 / results presentation↗

Prior comparable period

AIA - FY22 Interim Financial Statements

HY22 / financial report↗

AIA - FY22 Interim Results Announcement

HY22 / results announcement↗

AIA - FY22 Interim Results Market Release

HY22 / results release↗

Full-year context

AIA - FY22 Annual Results Announcement

FY22 / results announcement↗

AIA - FY22 Annual Results Media Release

FY22 / media release↗

AIA - FY22 Financial Report

FY22 / financial report↗

Release context

AIA - 2022 Annual Meeting Chair & Chief Executive Addresses

HY23 / commentary↗

AIA - 2022 Annual Meeting Shareholder Poll Results

HY23 / commentary↗

Related insights

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

Leverage and balance-sheet risk

Net debt / EBITDA is 15.81x, -7.72x 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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Revenue growth context

Revenue growth was 128.1% for this reporting period.

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Cash conversion quality

This result converted 143.3% of EBITDA to operating cash flow, +94.2pp versus the prior comparable period.

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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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