Company: XOMAP
Filing Date: 2025-10-03
Form Type: 424B5
Source: 0001193125-25-230393
Chunk: 101

Company: XOMA Royalty Corp
Filing Date: 2025-10-03
Form: 424B5
Chunk 101
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 terms of any standby underwriting or purchase arrangement entered into by us in 
 connection with the offering of such subscription rights.                                                   |

The description in the applicable prospectus supplements of any subscription rights that we may offer will not necessarily be complete and will be qualified in its entirety by reference to the applicable subscription rights agreement and/or subscription rights certificate, which will be filed with the SEC in connection therewith. Therefore, you should carefully consider the actual provisions of the subscription rights, the subscription rights agreement and the applicable securities. Governing Law Unless we otherwise specify in the applicable prospectus supplement, the subscription rights, any subscription rights agreement and any subscription rights certificates will be governed by and construed in accordance with the laws of the State of New York. 33

DESCRIPTION OF CONTINGENT VALUE RIGHTS The following is a general description of the terms of the contingent value rights we may issue from time to time unless we provide otherwise in the prospectus supplement. Particular terms of any contingent value rights we offer will be described in the prospectus supplement relating to such contingent value rights. The terms of any contingent value rights offered under a prospectus supplement may differ from the terms described below. We will file as an exhibit to the registration statement of which this prospectus is a part, or will incorporate by reference from reports that we file with the SEC, the form of contingent value rights agreement containing the terms of the contingent value rights that we are offering before the issuance of the contingent value rights. The following summary of material provisions of the contingent value rights is subject to, and qualified in its entirety by reference to, all of the provisions of the form of contingent value rights agreement. We urge you to read the applicable prospectus supplements and any related free writing prospectuses related to the contingent value rights that we may offer under this prospectus, and the complete form of contingent value rights agreement. General We may issue contingent value rights representing the contractual right to receive additional consideration in connection with an acquisition of businesses, assets, royalties or securities of other companies. Contingent value rights may be issued independently or together with other securities, may or may not be transferable by the person purchasing or receiving the contingent value rights and may or may not be evidenced by certificates. We will describe in the applicable prospectus supplement the terms of any contingent value rights we may issue, including the following:

| • |     | the consideration to be received by each contingent value right holder; |

| • |     | the extent to which the contingent value rights are transferable; |

| • |