Company: KEY-PI
Filing Date: 2025-02-26
Form Type: 424B5
Source: 0001193125-25-036859
Chunk: 64

Company: KEYCORP /NEW/
Filing Date: 2025-02-26
Form: 424B5
Chunk 64
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 be our affiliate). Accordingly, references in this prospectus supplement to determinations made by the calculation agent may refer to actions taken exclusively at our direction or the direction of our designee (who may be our affiliate). In most cases, a floating rate note will have a specified “interest reset date”, “interest determination date” and “calculation date” associated with it. An “interest reset date” is the date on which the interest rate on the note is subject to change. An “interest determination date” is the date as of which the new interest rate is determined for a particular interest reset date, based on the applicable interest rate basis or formula as of that interest determination date. The “calculation date” is the date by which the calculation agent will determine the new interest rate that became effective on a particular interest reset date based on the applicable interest rate basis or formula on the interest determination date. Change of Interest Rate Except as otherwise provided in the pricing supplement, we may reset the interest rate on each floating rate note daily, weekly, monthly, quarterly, semiannually, annually or on some other basis that we specify (such period being the “interest reset period”). The interest reset date is the first day of each interest reset period and will be:

| • |     | for notes with interest that resets daily, each business day; |

| • |     | for notes (other than Treasury Rate notes) with interest that resets weekly, Wednesday of each week; |

| • |     | for Treasury Rate notes with interest that resets weekly, Tuesday of each week, except as otherwise described 
 below in the second paragraph under “—Date Interest Rate is Determined”;                                      |

| • |     | for notes with interest that resets monthly, the third Wednesday of each month; |

| • |     | for notes with interest that resets quarterly, the third Wednesday of March, June, September and December of each 
 year;                                                                                                             |

| • |     | for notes with interest that resets semiannually, the third Wednesday of each of the two months of each year 
 which are six months apart, as specified in the applicable pricing supplement; and                           |

| • |     | for notes with interest that resets annually, the third Wednesday of one month of each year as specified in the 
 applicable pricing supplement.                                                                                  |

The related pricing supplement will describe the initial interest rate or interest rate formula on each note. That rate is effective until the following interest reset date. Thereafter, the interest rate will be the rate determined on