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Cartis diligence evidence schedule

AirTrunk TOK1 East Tokyo

PRJ-0415 · Site · Inzai, Chiba Prefecture, Chiba, Japan

Record last updated Oct 28, 2026

Scope and capacity

TOK1 is a 300+ MW design campus with more than 60 MW operating at its 2021 opening and substantial later phases under construction. AirTrunk TOK1 East Tokyo is located in Inzai, Chiba Prefecture, 12, JP and is a data center campus in partially operational status.

Headline: 300 MW+ Planned / design

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Claims and exhibit sources

Jump to a claim (23)

Facility code · TOK1

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38560 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Corroborating

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

  2. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Campus location · Inzai, Chiba Prefecture

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38561 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Corroborating

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

  2. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Total design capacity · 300 MW+

Planned / design or future potential · AirTrunk TOK1 East Tokyo (Project)

Claim 38562 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. AirTrunk breaks ground on 40 MW expansion at Tokyo campus

    Data Center Dynamics · Document date: Jun 19, 2025 · Corroborating

    Source reference: SRC-7138 · News report · Recorded authority: Secondary

    Source URL

    https://www.datacenterdynamics.com/en/news/airtrunk-breaks-ground-on-40mw-expansion-at-tokyo-data-center-campus/

  2. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Corroborating

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

  3. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Initial operating capacity minimum · 60 MW+

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38563 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

Headline treatment: Not included in reviewed operating IT capacity

  1. AirTrunk breaks ground on 40 MW expansion at Tokyo campus

    Data Center Dynamics · Document date: Jun 19, 2025 · Corroborating

    Source reference: SRC-7138 · News report · Recorded authority: Secondary

    Source URL

    https://www.datacenterdynamics.com/en/news/airtrunk-breaks-ground-on-40mw-expansion-at-tokyo-data-center-campus/

  2. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Primary

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

Opened date · 2021-11-30

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38564 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Primary

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

Campus land area · 13.25 hectares

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38565 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Primary

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

Current site area · 13 hectares

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38566 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Data hall area · 80,000 square meters

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38567 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Office storage area · 9,600 square meters

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38568 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Data hall count · 102 data halls

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38569 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Planned building count · 7 buildings

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38570 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Primary

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

Grid voltage · 66 kV

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38571 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Corroborating

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

  2. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Design PUE · 1.15 PUE

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38572 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. AirTrunk opens TOK1 East Tokyo

    AirTrunk · Document date: Nov 30, 2021 · Corroborating

    Source reference: SRC-2173 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-powers-the-cloud-in-japan-opening-300mw-tokyo-hyperscale-data-centre/

  2. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Carrier neutral · True

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38573 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Primary

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Phase 3 topped out · True

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38576 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. TOK1 phase 3 progressing at speed

    AirTrunk · Document date: Aug 14, 2024 · Primary

    Source reference: SRC-2175 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-tok1-phase-3-progressing-at-speed/

Phase 3 ready for service verified · False

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38577 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. TOK1 phase 3 progressing at speed

    AirTrunk · Document date: Aug 14, 2024 · Primary

    Source reference: SRC-2175 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-tok1-phase-3-progressing-at-speed/

New phase groundbreaking · 2025-06-19

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38579 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk breaks ground on 40+ MW TOK1 phase

    AirTrunk · Document date: Jun 19, 2025 · Primary

    Source reference: SRC-2176 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-breaks-ground-on-40mw-phase-of-tok1-japans-largest-hyperscale-data-centre-campus/

Current operating capacity disclosed · False

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38581 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk secures JPY191.6 billion green loan for TOK1

    AirTrunk · Document date: Mar 10, 2026 · Primary

    Source reference: SRC-2177 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-secures-largest-financing-for-a-data-centre-in-japan-with-us1-2-billion-green-loan-for-its-flagship-tokyo-campus/

  2. TOK1 East Tokyo data center

    AirTrunk · Document date: Not stated · Corroborating

    Source reference: SRC-2171 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/location/tok1-east-tokyo/

Financing amount jpy · 191.6 JPY billion

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38582 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. AirTrunk secures JPY191.6 billion green loan for TOK1

    AirTrunk · Document date: Mar 10, 2026 · Primary

    Source reference: SRC-2177 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-secures-largest-financing-for-a-data-centre-in-japan-with-us1-2-billion-green-loan-for-its-flagship-tokyo-campus/

Financing amount USD · $1.24 billion

Reported rounded · AirTrunk TOK1 East Tokyo (Project)

Claim 38583 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. AirTrunk secures JPY191.6 billion green loan for TOK1

    AirTrunk · Document date: Mar 10, 2026 · Primary

    Source reference: SRC-2177 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-secures-largest-financing-for-a-data-centre-in-japan-with-us1-2-billion-green-loan-for-its-flagship-tokyo-campus/

Financing scope · Refinancing existing facilities and development capex for next phases

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38584 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk secures JPY191.6 billion green loan for TOK1

    AirTrunk · Document date: Mar 10, 2026 · Primary

    Source reference: SRC-2177 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-secures-largest-financing-for-a-data-centre-in-japan-with-us1-2-billion-green-loan-for-its-flagship-tokyo-campus/

Financing applies to tok2 · False

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38585 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk secures JPY191.6 billion green loan for TOK1

    AirTrunk · Document date: Mar 10, 2026 · Primary

    Source reference: SRC-2177 · Company announcement · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-secures-largest-financing-for-a-data-centre-in-japan-with-us1-2-billion-green-loan-for-its-flagship-tokyo-campus/

Phase 3 customer named · False

Actual · AirTrunk TOK1 East Tokyo (Project)

Claim 38586 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. AirTrunk breaks ground on third phase of TOK1

    AirTrunk · Document date: Jun 30, 2023 · Primary

    Source reference: SRC-2174 · Recorded authority: Party primary

    Source URL

    https://airtrunk.com/airtrunk-breaks-ground-on-third-phase-of-tok1-tokyo-east/

Counterparties and capital

AirTrunk · Operator · CMP-0656

BNP Paribas · Lender · CMP-1027

Chiba Bank · Lender · CMP-1028

Credit Agricole CIB · Lender · CMP-1025

DBS Bank · Lender · CMP-0663

E.SUN Commercial Bank · Lender · CMP-1029

Mizuho Bank · Lender · CMP-1030

MUFG · Lender · CMP-0665

Natixis CIB · Lender · CMP-1031

OCBC · Lender · CMP-0666

SMBC · Lender · CMP-0667

Societe Generale · Lender · CMP-1026

UOB · Lender · CMP-0668

Green loan

¥191,600,000,000 · Mar 10, 2026

TOK1-only refinancing of existing facilities and development capex for next phases. Company equivalent USD1.24 billion.

AirTrunk (Financing sponsor / borrower group; legal borrower undisclosed) · BNP Paribas (Mandated lead arranger and bookrunner) · Chiba Bank (Mandated lead arranger and bookrunner) · Credit Agricole CIB (Global coordinator and mandated lead arranger/bookrunner) · DBS Bank (Mandated lead arranger and bookrunner) · E.SUN Commercial Bank (Mandated lead arranger and bookrunner) · Mizuho Bank (Mandated lead arranger and bookrunner) · MUFG (Global coordinator and mandated lead arranger/bookrunner) · Natixis CIB (Mandated lead arranger and bookrunner) · OCBC (Mandated lead arranger and bookrunner) · SMBC (Global coordinator and mandated lead arranger/bookrunner) · Societe Generale (Global coordinator and mandated lead arranger/bookrunner) · UOB (Mandated lead arranger and bookrunner)

Sources (1)

Financing record 120; claim-specific source links appear in the exhibit sources where published.

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.