Company: KEY-PI
Filing Date: 2025-02-26
Form Type: 424B5
Source: 0001193125-25-036859
Chunk: 60

Company: KEYCORP /NEW/
Filing Date: 2025-02-26
Form: 424B5
Chunk 60
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 except for the issue date, issue price and the first payment of interest. Additional notes issued in this manner will be fungible with the previously issued notes to the extent specified in the applicable pricing supplement. No additional notes may be issued in a particular series if an Event of Default (as defined in the respective indenture) has occurred and is continuing with respect to that series. Unless otherwise defined in the pricing supplement, the term “business day” means the following:

| • |     | for SOFR notes, any day except for a Saturday, Sunday or a day on which the Securities Industry and Financial                                                                                  
 Markets Association (or any successor thereto) recommends that the fixed income departments of its members be closed for the entire day for purposes of trading in U.S. government securities; |

| • |     | for notes denominated in a specified currency other than euro, any day that is not a Saturday or Sunday and that                                                                                                                                      
 is not a day that banking institutions in New York City are generally authorized or obligated by law or executive order to close, and is also a day on which commercial banks and foreign exchange markets settle payments in the principal financial 
 center of the country of the relevant specified currency (if other than New York City);                                                                                                                                                               |

| • |     | for notes denominated in euro, any day that is not a Saturday or Sunday and that is not a day that banking                                                                                                                        
 institutions in London are generally authorized or obligated by law or executive order to close, and is also a day on which T2 is open for the settlement of payment in euro, which will be referred to as a T2 business day; and |

S-33

| • |     | in all other instances, any day that is not a Saturday or Sunday and that is not a day that banking institutions 
 in New York City are generally authorized or obligated by law or executive order to close.                       |

“T2” is the Trans-European Automated Real-Time Gross Settlement Express Transfer payment system which utilizes a single shared platform and which was launched on November 19, 2007 or any successor or replacement for that system. Unless otherwise specified in the applicable pricing supplement, the principal financial center of any country for the purpose of the foregoing definition means (1) the capital city of the country issuing the specified currency or (2) the capital city of the country to which the designated currency relates, as applicable, except, in the case of (1) or (2) above, that with respect to United States dollars, Australian dollars