Company: DTK
Filing Date: 2025-09-09
Form Type: 424B5
Source: 0001193125-25-198859
Chunk: 11

Company: DTE ENERGY CO
Filing Date: 2025-09-09
Form: 424B5
Chunk 11
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 respect of any such delay). Optional Redemption Prior to May 1, 2028 (1 month prior to their maturity date) (the “2023 Series C Par Call Date”), we may redeem the 2023 Series C notes at our option, in whole or in part, at any time and from time to time, at a redemption price (expressed as a percentage of principal amount and rounded to three decimal places) equal to the greater of:

| • |     | (a) the sum of the present values of the remaining scheduled payments of principal and interest thereon 
 discounted to the redemption date (assuming the 2023 Series C notes matured on the 2023 Series C Par    |

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| Call Date) on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate 
 plus 25 basis points less (b) interest accrued to the date of redemption, and                                       |

| • |     | 100% of the principal amount of the 2023 Series C notes to be redeemed, |

plus, in either case, accrued and unpaid interest thereon to the redemption date. On or after the 2023 Series C Par Call Date, we may redeem the 2023 Series C notes, in whole or in part, at any time and from time to time, at a redemption price equal to 100% of the principal amount of the 2023 Series C notes being redeemed plus accrued and unpaid interest thereon to the redemption date. Prior to , 20 ( months prior to their maturity date) (the “2025 Series I Par Call Date”), we may redeem the 2025 Series I notes at our option, in whole or in part, at any time and from time to time, at a redemption price (expressed as a percentage of principal amount and rounded to three decimal places) equal to the greater of:

| • |     | (a) the sum of the present values of the remaining scheduled payments of principal and interest thereon                                                                                                                                                                                                
 discounted to the redemption date (assuming the 2025 Series I notes matured on the 2025 Series I Par Call Date) on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus    basis points less (b) interest accrued to the date of redemption, and |

| • |     | 100% of the principal amount of the