Company: WFC-PC
Filing Date: 2025-08-28
Form Type: 424B2
Source: 0001193125-25-191319
Chunk: 0

Company: WELLS FARGO & COMPANY/MN
Filing Date: 2025-08-28
Form: 424B2
Chunk 0
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Filed Pursuant to Rule 424(b)(2)
Registration No. 333-287868

WELLS FARGO & COMPANY Medium-Term Notes, Series Y Subordinated Medium-Term Notes, Series Z Wells Fargo & Company (“ Wells Fargo”) may offer, from time to time, medium-term notes, series Y, and subordinated medium-term notes, series Z (collectively, the “ notes”). The final terms of each note offered will be included in a pricing supplement. The notes offered will specify whether they are senior notes or subordinated notes and will have the following general terms, unless the applicable pricing supplement states otherwise:

| • |     | The notes will bear interest at either a fixed rate or a floating rate or will be zero coupon notes. Floating 
 rate interest may be based on:                                                                                |

| •  CMT rate                       
 •  Compounded SOFR                
 •  EURIBOR                        
 •  Federal funds (effective) rate |     | •  Prime rate                                                    
 •  Treasury rate                                                 
 •  Any other rate specified in the applicable pricing supplement |

| • |     | Fixed rate interest will be paid semi-annually on the dates specified in the applicable pricing supplement. |

| • |     | Floating rate interest will be paid on the dates specified in the applicable pricing supplement. |

| • |     | Zero coupon notes will not pay interest. |

| • |     | The notes will be held in global form by The Depository Trust Company. |

| • |     | The notes may not be repaid at the option of the holder before their stated maturity and may not be redeemed at 
 our option.                                                                                                     |

| • |     | The notes will be denominated in U.S. dollars and have minimum denominations of $1,000. |

| • |     | The notes will not be listed on any securities exchange or automated quotation system. |

The notes are unsecured obligations of Wells Fargo, and all payments on the notes are subject to the credit risk of Wells Fargo. If Wells Fargo defaults on its obligations, you could lose some or all of your investment. The notes are not savings accounts, deposits or other obligations of any bank or nonbank subsidiary of Wells Fargo and are not insured by the Federal Deposit Insurance Corporation, the Deposit Insurance Fund or any other governmental agency. Neither the Securities and Exchange Commission nor any state securities commission or other regulatory body has