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Issuer Credit Research

Issuer Flash: Adani Transmission Step-One Limited / ATSOL Obligor Group

Issuer: Adani Transmission Step One | Document: Issuer Flash | Date: 2026-09-22 | Event: March 2026 Compliance Certificate

Report date: 2026-09-22 Event date: 2026-03-31 Event title: March 2026 ATSOL Compliance Certificate Listing

1. Flash Conclusion

Adani Energy Solutions' official Investor Downloads index displayed an ATSOL compliance-certificate item labelled March 2026 (ATSOL). That listing is relevant because ATSOL's direct restricted-group reporting, rather than Adani Energy Solutions Limited (AESL) consolidated results, is the appropriate evidence base for the ADTIN 2036 senior secured notes. It does not, however, establish the content, signing date or public-posting date of the certificate. The underlying page returned HTTP 403 during this review and the PDF was not retrieved.

Accordingly, the listing does not change the public-information-based credit view set out in the May 2026 issuer summary. It is neither confirmation that March 2026 covenant and liquidity measures remained satisfactory nor evidence of deterioration. The 2026-03-31 Event date is the reporting-period end used solely for the workflow record because the certificate's actual signing or posting date is unavailable; it must not be read as a confirmed disclosure date. Investors should treat the listing as a trigger to obtain the original certificate, not as a substitute for it.

2. What the Official Listing Confirms

The official company index is a primary route for ATSOL compliance certificates. Its March 2026 (ATSOL) label confirms only that an item with that title was presented in the compliance-certificate section when the route was checked. It identifies neither the certificate's calculation scope nor the document's reporting detail. The review did not obtain the PDF because the page returned HTTP 403, and no independently verifiable signing or publication date was available.

This distinction matters particularly for ADTIN. The covered 2036 notes are secured, amortising obligations linked to the ATSOL obligor group's restricted transmission-asset cash flows, rather than ordinary unsecured AESL corporate debt. A valid update therefore needs the certificate's own evidence on the obligor group, debt service and protection mechanics. A title on an index is not evidence that any covenant has been met, that there has been no default, or that the listed period is comparable with the September 2025 calculations.

The information constraint is unusually material for this flash. A compliance certificate can contain the specific calculations and certifications that make a restricted-group update credit-relevant; without access to it, a short memorandum that preserves the evidence boundary is more useful than a longer reconstruction from parent-company information.

3. Credit Read-Through and What Remains Unconfirmed

The latest direct ATSOL obligor-group certificate available to this review is dated 20 December 2025 with a calculation date of 30 September 2025. It reported DSCR of 1.89x, FFO/net debt of 13.50%, FFO cash interest of 2.31x and no receivables over 180 days. Those are historical reference points only. The March 2026 title cannot confirm whether those measures improved, weakened, changed in definition, or remained available after the 2026 refinancing-related developments.

The missing document is important because an ATSOL certificate would ordinarily be the most direct public route for the chain of analysis: transmission-asset availability, regulated or contracted tariff recovery, receivable collection, cash available for debt service, scheduled amortisation, DSRA and account-waterfall protection. The existence of an index entry does not fill any link in that chain. In particular, it does not establish the current standalone principal amount or amortisation profile of the 2036 notes; the September 2025 certificate aggregated USD bonds and was not sufficient to identify the 2036 balance by itself.

Nor does the listing resolve the relationship between the financing associated with the 2026 maturity and the existing 2036 notes. Earlier coverage recorded a March 2026 Apollo disclosure of a USD500mn senior secured private placement by ATSOL Global IFSC Limited, mainly intended to refinance notes maturing in late 2026. That participant disclosure was a refinancing-purpose signal, not proof of repayment or of collateral, ranking, covenant or debt-service treatment for the 2036 notes. The unretrieved ATSOL item provides no basis to advance that conclusion.

The practical credit implication is neutral but not reassuring in itself. The official index suggests that a potentially decision-useful direct document may exist, while the inability to retrieve it leaves the restricted-group information gap open. For bondholders, the relevant downside is not only operating stress but also the inability to observe whether cash collection, hedging, debt-service coverage and structural protections continue to perform as expected. No inference should be made from AESL group results, availability statistics or financing activity until the ATSOL-specific document can be inspected.

4. What To Watch Next

Priority should be given to retrieving the original March 2026 (ATSOL) certificate through the AESL Investor Downloads route, an issuer-provided direct PDF, a trustee or noteholder channel, or another official distribution route. The document should be checked for its signing/publication date and scope before it is used to update disclosure management.

Once available, the review should compare the March 2026 evidence with the September 2025 baseline for DSCR, FFO/net debt, FFO cash interest, receivable ageing, DSRA, cash, total debt, USD-bond composition, availability and any no-default or covenant statement. Investors should also seek the post-refinancing debt-service schedule, the actual treatment of the 2026 maturity, the current standalone 2036-note principal and amortisation, hedge details, and the ranking, collateral and additional-debt relationship of new and existing notes.

The related post-refinancing additional discussion has been checked only for this flash's limited event scope. The listing supplies none of the evidence needed to resolve its questions, so it remains an outstanding verification target for the next issuer summary.

5. Sources