Company: TRTN-PA
Filing Date: 2025-01-31
Form Type: 424B5
Source: 0001193125-25-018485
Chunk: 1

Company: Triton International Ltd
Filing Date: 2025-01-31
Form: 424B5
Chunk 1
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 Triton International Limited. We intend to apply to have the Series F Preference Shares listed on the New York Stock Exchange (the “NYSE”) under the symbol “TRTN PRF.” If the application is approved, we expect trading of the Series F Preference Shares on the NYSE to begin within 30 days after their original issue date. Currently, there is no public market for the Series F Preference Shares. Investing in our Series F Preference Shares involves a high degree of risk. You should review carefully the risks and uncertainties referenced under the heading “ Risk Factors” beginning on page S-8of this prospectus supplement. Neither the Securities and Exchange Commission nor any state securities commission, the Registrar of Companies in Bermuda, the Bermuda Monetary Authority or any other regulatory body has approved or disapproved of these securities or determined if this prospectus supplement or the accompanying prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

| Per Series F Preference Share |     | Price to Public |     100.000 | % |     | Underwriting 
 discount(1)  |     2.871 | % |     | Proceeds     
 (before      
 expenses)(1) |      97.129 | % |
|:------------------------------|:----|:----------------|------------:|:--|:----|:-------------|----------:|:--|:----|:-------------|------------:|:--|
| Total                         |     | $               | 150,000,000 |   |     | $            | 4,307,205 |   |     | $            | 145,692,795 |   |

| (1) | Reflects 4,546,800 Series F Preference Shares sold to retail investors, for which the underwriters received an                                                                                                             
 underwriting discount of $0.7875 per share, and 1,453,200 Series F Preference Shares sold to institutional investors, for which the underwriters received an underwriting discount of $0.50 per share. See “Underwriting.” |

Delivery of the Series F Preference Shares is expected to be made in book-entry form through the facilities of The Depository Trust Company (“DTC”) for the account of its participants, including Euroclear Bank SA/NV and Clearstream Banking, S.A., on or about February 6, 2025. Joint Book-Running Managers Morgan Stanley BofA Securities RBC Capital Markets UBS Investment Bank Wells Fargo Securities Co-Managers Brookfield Capital Solutions Citizens Capital Markets