ASUR secures BBB+ Fitch IDR as Cancún unit's note sale gains expected BBB+ rating

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ASUR BBB+ rating, Cancún note

Highlights

Fitch assigns Grupo Aeroportuario del Sureste a first-time 'BBB+' Long-Term Issuer Default Rating and Aeropuerto de Cancún senior unsecured notes an expected 'BBB+(EXP)' rating, both with Stable Outlook.
ASUR’s consolidated net leverage projected to peak at 3.7x in 2026 after new debt, then decline to 2.4x by 2031 amid prudent liability management.
Fitch cites asset and geographic diversification, including recent acquisitions in Brazil, Costa Rica, Ecuador, and Curaçao, but notes ratings are constrained by exposure to macroeconomic and regulatory volatility.

Rating action and debt structure

As reported by Fitch Ratings, Grupo Aeroportuario del Sureste, S.A.B. de C.V. receives a first-time Long-Term Issuer Default Rating of 'BBB+', while Aeropuerto de Cancún, S.A. de C.V.'s proposed senior unsecured notes are assigned an expected 'BBB+(EXP)' rating. The Rating Outlook is Stable.

Aeropuerto de Cancún is a wholly owned ASUR subsidiary and holds the concession for Cancún International Airport, which Fitch identifies as the group's main strategic asset. ASUR is set to fully, unconditionally and irrevocably guarantee repayment of the proposed notes.

Fitch says the ratings are supported by ASUR's long operating history, including more than 25 years managing Mexican airports, and by a financial profile marked by low leverage and prudent liability management. Under Fitch's rating case, consolidated net leverage is expected to peak at 3.7x in 2026 after the new debt placement, remain around 3.5x through 2029, and then decline gradually to 2.4x by 2031.

Portfolio diversification and rating constraints

Fitch says ASUR's credit profile is underpinned by a diversified airport concession portfolio spanning seven Latin American markets, along with select commercial operations in the U.S. The group's core assets, including Cancun, Medellin and San Juan, serve as major international gateways and have shown resilience during severe demand shocks.

The agency adds that ASUR's acquisition of Companhia de Participações em Concessões broadens diversification by adding assets in Brazil, Costa Rica, Ecuador and Curaçao. Those airports face limited competition and help reduce the group's overall exposure to leisure travel.

Even so, Fitch says the rating remains constrained by exposure to countries with a history of regulatory and macroeconomic volatility, sensitivity of assets to local economic conditions, and a meaningful share of cashflows subject to transfer and convertibility risks. Despite those limits, Fitch says ASUR's business mix, asset quality and financial flexibility support a rating two notches above Mexico's 'BBB-' sovereign rating, its most relevant operating environment.

In our earlier article on Fitch’s affirmation of S.F. Holding’s 'A-' Long-Term Issuer Default Rating with a Stable Outlook, we noted that the rating was supported by the company’s leading position in China’s express-delivery market, resilient profitability, and growing diversification in logistics. Fitch also pointed to very low leverage expected to stay well below 2x and strong liquidity, with sizeable cash balances versus short-term debt as pricing conditions gradually improve and capex remains controlled.

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