Company: XOMAP
Filing Date: 2025-10-03
Form Type: 424B5
Source: 0001193125-25-230393
Chunk: 26

Company: XOMA Royalty Corp
Filing Date: 2025-10-03
Form: 424B5
Chunk 26
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 of shares of Series B Preferred Stock and depositary shares to be redeemed (and, if fewer than all the 
 shares are to be redeemed, the number of shares to be redeemed from such holder);                                 |

| • |     | the place(s) where the depositary receipts evidencing the depositary shares are to be surrendered for payment; 
 and                                                                                                            |

| • |     | that dividends on the depositary shares will cease to accumulate on the date prior to the Redemption Date. |

On or after the Redemption Date, each holder of depositary shares to be redeemed must present and surrender the depositary receipts evidencing the depositary shares to the depositary at the place designated in the notice of redemption. The redemption price of the shares will then be paid to or on the order of the person whose name appears on such depositary receipts as the owner thereof. Each surrendered depositary receipt will be canceled. In the event that fewer than all the depositary receipts are to be redeemed, a new depositary receipt will be issued representing the unredeemed depositary shares. From and after the Redemption Date (unless we default in payment of the redemption price):

| • |     | all dividends on the shares designated for redemption in the notice will cease to accumulate; |

| • |     | all rights of the holders of the shares, except the right to receive the redemption price thereof (including all 
 accumulated and unpaid dividends up to the date prior to the Redemption Date), will cease and terminate;         |

| • |     | the shares will not thereafter be transferred (except with our consent) on the depositary’s books; and |

| • |     | the shares will not be deemed to be outstanding for any purpose whatsoever. |

Unless full cumulative dividends on all shares of Series B Preferred Stock shall have been or contemporaneously are declared and paid or declared and a sum sufficient for the payment thereof has been or contemporaneously is set apart for payment for all past dividend periods, no shares of Series B Preferred Stock shall be redeemed S-20

unless all outstanding shares of Series B Preferred Stock are simultaneously redeemed and we shall not purchase or otherwise acquire directly or indirectly any shares of Series B Preferred Stock (except by exchanging it for our capital stock ranking junior to the Series B Preferred Stock as to dividends and upon liquidation); provided, however, that the foregoing shall not prevent the purchase or acquisition by us of shares of Series B Preferred Stock pursuant to a purchase or exchange offer made on the same terms to holders of all outstanding depositary shares representing