Press Release

Morningstar DBRS Takes Credit Rating Actions on Fastnet Securities 18 DAC

RMBS
June 21, 2024

DBRS Ratings GmbH (Morningstar DBRS) took the following credit rating actions on the notes issued by Fastnet Securities 18 DAC:

-- Class A1 confirmed at AAA (sf)
-- Class A2 confirmed at AAA (sf)
-- Class A3 confirmed at AAA (sf)
-- Class B confirmed at AA (sf)
-- Class C confirmed at A (high) (sf)
-- Class D confirmed at BBB (high) (sf)
-- Class E downgraded to BB (sf) from BB (high) (sf)

The credit ratings on the Class A1, Class A2, and Class A3 notes (together, the Class A notes) address the timely payment of interest and the ultimate payment of principal on or before the legal final maturity date in January 2061. The credit rating on the Class B notes addresses the timely payment of interest when most senior and the ultimate payment of principal on or before the legal final maturity date. The credit ratings on the Class C, Class D, and Class E notes address the ultimate payment of interest and principal on or before the legal final maturity date.

The credit rating actions described above follow an annual review of the transaction and are based on the following analytical considerations:
-- Portfolio performance, in terms of delinquencies, defaults, and losses, as of the May 2024 payment date;
-- Portfolio default rate (PD), loss given default (LGD), and expected loss assumptions on the remaining receivables;
-- Current available credit enhancement to the notes to cover the expected losses at their respective credit rating levels; and
-- The sensitivity of the most junior notes to high interest rate environments.

The transaction is a static securitisation of Irish first-lien residential mortgages originated and serviced by Permanent TSB plc (PTSB), which closed in June 2022, with an initial portfolio balance of EUR 3.00 billion of owner-occupied mortgages.

PORTFOLIO PERFORMANCE
As of the May 2024 payment date, loans that were 30 to 60 days and 60 to 90 days delinquent represented 0.1% and 0.05% of the outstanding principal balance, respectively, while loans more than 90 days delinquent amounted to 0.64%. There have not been any repossessions or realised losses to date.

PORTFOLIO ASSUMPTIONS AND KEY DRIVERS
Morningstar DBRS updated its base case PD and LGD assumptions on the remaining receivables to 1.4% and 10.1%, respectively.

CREDIT ENHANCEMENT
The subordination of the respective junior obligations and the general reserve fund provide credit enhancement to the rated notes. As of the May 2024 payment date, credit enhancement to the Class A notes increased to 17.1% from 15.2% at the time of the last annual review 12 months ago; credit enhancement to the Class B notes increased to 13.0% from 11.5%; credit enhancement to the Class C notes increased to 6.1% from 5.3%; credit enhancement to the Class D notes increased to 3.3% from 2.8%; and credit enhancement to the Class E notes increased to 1.9% from 1.6%.

The transaction benefits from a general reserve fund and a liquidity reserve fund providing credit support and liquidity support, respectively, funded at closing through a subordinated loan. Together, the general reserve and liquidity reserve funds equal 1.0% of the initial total notes balance. As of the May 2024 payment date, the general reserve fund was at EUR 11.6 million and the liquidity reserve fund was at EUR 18.4 million.

The downgrade on the Class E Notes follows their high sensitivity to potential compression of the net excess spread between the assets and the liabilities in high interest rate scenarios, which Morningstar DBRS continues to monitor.

BNP Paribas SA, Dublin Branch (BNP Dublin) acts as the account bank for the transaction. Based on Morningstar DBRS' private credit rating on BNP Dublin, the downgrade provisions outlined in the transaction documents, and other mitigating factors inherent in the transaction structure, Morningstar DBRS considers the risk arising from the exposure to the account bank to be consistent with the credit ratings assigned to the notes in the transaction, as described in Morningstar DBRS' "Legal Criteria for European Structured Finance Transactions" methodology.

Morningstar DBRS' credit ratings on the rated notes address the credit risk associated with the identified financial obligations in accordance with the relevant transaction documents.

Morningstar DBRS' credit ratings do not address nonpayment risk associated with contractual payment obligations contemplated in the applicable transaction documents that are not financial obligations.

Morningstar DBRS' long-term credit rating provides opinions on risk of default. Morningstar DBRS considers risk of default to be the risk that an issuer will fail to satisfy the financial obligations in accordance with the terms under which a long-term obligation has been issued.

ENVIRONMENTAL, SOCIAL, AND GOVERNANCE CONSIDERATIONS
There were no Environmental/Social/Governance factor(s) that had a significant or relevant effect on the credit analysis.

A description of how Morningstar DBRS considers ESG factors within the Morningstar DBRS analytical framework can be found in the Morningstar DBRS Criteria: Approach to Environmental, Social, and Governance Risk Factors in Credit Ratings https://dbrs.morningstar.com/research/427030.

Morningstar DBRS analysed the transaction structure in Intex DealMaker.

Notes:
All figures are in Euros unless otherwise noted.

The principal methodology applicable to the credit ratings is the "Master European Structured Finance Surveillance Methodology" (7 March 2024), https://dbrs.morningstar.com/research/429051.

Other methodologies referenced in this transaction are listed at the end of this press release.

Morningstar DBRS has applied the principal methodology consistently and conducted a review of the transaction in accordance with the surveillance section of the principal methodology.

A review of the transaction legal documents was not conducted as the legal documents have remained unchanged since the most recent credit rating action.

For a more detailed discussion of the sovereign risk impact on Structured Finance credit ratings, please refer to "Appendix C: The Impact of Sovereign Ratings on Other DBRS Morningstar Credit Ratings" of the "Global Methodology for Rating Sovereign Governments" at: https://dbrs.morningstar.com/research/421590.

The sources of data and information used for these credit ratings include investor reports provided by PTSB and loan-level data provided by the European DataWarehouse GmbH.

Morningstar DBRS did not rely upon third-party due diligence in order to conduct its analysis.

At the time of the initial credit ratings, Morningstar DBRS was supplied with third-party assessments. However, this did not affect the credit rating analysis.

Morningstar DBRS considers the data and information available to it for the purposes of providing these credit ratings to be of satisfactory quality.

Morningstar DBRS does not audit or independently verify the data or information it receives in connection with the credit rating process.

The last credit rating action on this transaction took place on 23 June 2023 when Morningstar DBRS confirmed its credit ratings on the Class A notes, the Class B notes, the Class C notes, the Class D notes and the Class E notes at AAA (sf), AA (sf), A (high) (sf), BBB (high) (sf) and BB (high) (sf), respectively.

The lead analyst responsibilities for this transaction have been transferred to Preben Cornelius Overas.

Information regarding Morningstar DBRS credit ratings, including definitions, policies, and methodologies, is available on dbrs.morningstar.com.

Sensitivity Analysis: To assess the impact of changing the transaction parameters on the credit rating, Morningstar DBRS considered the following stress scenarios as compared with the parameters used to determine the credit rating (the base case):

-- Morningstar DBRS expected a lifetime base case PD and LGD for the pool based on a review of the current assets. Adverse changes to asset performance may cause stresses to base case assumptions and therefore have a negative effect on credit ratings.

Class A1 Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in LGD, expected credit rating of AAA (sf)
-- 25% increase in PD, expected credit rating of AAA (sf)
-- 50% increase in PD, expected credit rating of AAA (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of AAA (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in PD and 50% increase in LGD, expected credit rating of AAA (sf)

Class A2 Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in LGD, expected credit rating of AAA (sf)
-- 25% increase in PD, expected credit rating of AAA (sf)
-- 50% increase in PD, expected credit rating of AAA (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of AAA (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in PD and 50% increase in LGD, expected credit rating of AAA (sf)

Class A3 Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in LGD, expected credit rating of AAA (sf)
-- 25% increase in PD, expected credit rating of AAA (sf)
-- 50% increase in PD, expected credit rating of AAA (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of AAA (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of AAA (sf)
-- 50% increase in PD and 50% increase in LGD, expected rating of AAA (sf)

Class B Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of AA (sf)
-- 50% increase in LGD, expected credit rating of AA (sf)
-- 25% increase in PD, expected credit rating of AA (sf)
-- 50% increase in PD, expected credit rating of A (high) (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of AA (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of AA (low) (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of A (high) (sf)
-- 50% increase in PD and 50% increase in LGD, expected credit rating of A (high) (sf)

Class C Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of A (high) (sf)
-- 50% increase in LGD, expected credit rating of A (high) (sf)
-- 25% increase in PD, expected credit rating of A (sf)
-- 50% increase in PD, expected credit rating of A (low) (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of A (low) (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of A (low) (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of BBB (high) (sf)
-- 50% increase in PD and 50% increase in LGD, expected credit rating of BBB (high) (sf)

Class D Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of BBB (low) (sf)
-- 50% increase in LGD, expected credit rating of BBB (low) (sf)
-- 25% increase in PD, expected credit rating of BB (high) (sf)
-- 50% increase in PD, expected credit rating of BB (high) (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of BB (high) (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of BB (high) (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of BB (high) (sf)
-- 50% increase in PD and 50% increase in LGD, expected credit rating of BB (high) (sf)

Class E Risk Sensitivity:
-- 25% increase in LGD, expected credit rating of B (sf)
-- 50% increase in LGD, expected credit rating of B (sf)
-- 25% increase in PD, expected credit rating of B (sf)
-- 50% increase in PD, expected credit rating of B (low) (sf)
-- 25% increase in PD and 25% increase in LGD, expected credit rating of B (low) (sf)
-- 25% increase in PD and 50% increase in LGD, expected credit rating of B (low) (sf)
-- 50% increase in PD and 25% increase in LGD, expected credit rating of B (low) (sf)
-- 50% increase in PD and 50% increase in LGD, expected credit rating of B (low) (sf)

For further information on Morningstar DBRS historical default rates published by the European Securities and Markets Authority (ESMA) in a central repository, see: https://registers.esma.europa.eu/cerep-publication.
For further information on Morningstar DBRS historical default rates published by the Financial Conduct Authority (FCA) in a central repository, see https://data.fca.org.uk/#/ceres/craStats.

These credit ratings are endorsed by DBRS Ratings Limited for use in the United Kingdom.

Lead Analyst: Preben Cornelius Overas, Assistant Vice President,
Rating Committee Chair: Alfonso Candelas, Senior Vice President
Initial Rating Date: 23 June 2022

DBRS Ratings GmbH
Neue Mainzer Straße 75
60311 Frankfurt am Main Deutschland
Tel. +49 (69) 8088 3500
Geschäftsführer: Detlef Scholz
Amtsgericht Frankfurt am Main, HRB 110259

The credit rating methodologies used in the analysis of this transaction can be found at: https://dbrs.morningstar.com/about/methodologies.

-- Legal Criteria for European Structured Finance Transactions (30 June 2023),
https://dbrs.morningstar.com/research/416730.
-- Master European Structured Finance Surveillance Methodology (7 March 2024),
https://dbrs.morningstar.com/research/429051.
-- Morningstar DBRS Criteria: Approach to Environmental, Social, and Governance Risk Factors in Credit Ratings (23 January 2024),
https://dbrs.morningstar.com/research/427030.
-- Operational Risk Assessment for European Structured Finance Servicers (15 September 2023), https://dbrs.morningstar.com/research/420572.
-- European RMBS Insight Methodology (25 March 2024) and European RMBS Insight Model v8.0.0.0,
https://dbrs.morningstar.com/research/430103.
-- European RMBS Insight: Irish Addendum (22 April 2024),
https://dbrs.morningstar.com/research/431544.
-- Interest Rate Stresses for European Structured Finance Transactions (15 September 2023), https://dbrs.morningstar.com/research/420602.

A description of how Morningstar DBRS analyses structured finance transactions and how the methodologies are collectively applied can be found at: https://dbrs.morningstar.com/research/278375.

For more information on this credit or on this industry, visit dbrs.morningstar.com or contact us at [email protected].

ALL MORNINGSTAR DBRS RATINGS ARE SUBJECT TO DISCLAIMERS AND CERTAIN LIMITATIONS. PLEASE READ THESE DISCLAIMERS AND LIMITATIONS AND ADDITIONAL INFORMATION REGARDING MORNINGSTAR DBRS RATINGS, INCLUDING DEFINITIONS, POLICIES, RATING SCALES AND METHODOLOGIES.