Company: XOMAP
Filing Date: 2025-09-03
Form Type: SC TO-T/A
Source: 0001193125-25-195061
Chunk: 3

Company: XOMA Royalty Corp
Filing Date: 2025-09-03
Form: SC TO-T/A
Chunk 3
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 case for the period beginning at the Closing Date and ending on the 10th anniversary of the Closing Date (such proceeds, “ Partnership Proceeds”). As used herein, “ CVR Products” means (i) 3

each of the product or product candidates developed or commercialized by LAVA, its affiliates or their respective (sub)licensees and known as EGFRd2 (PF-8046052)or JNJ-89853413;(ii) each other product or product candidate discovered, developed, or commercialized pursuant to LAVA’s Existing Partnership Agreements; and (iii) any other product, product candidate or other research program being researched or developed by the LAVA as of the Closing, including the product or product candidate known as LAVA-1266.

| II. | A new paragraph is hereby inserted on Page 44 of the Offer to Purchase in the Section entitled “—6. 
 Certain Information Concerning Purchaser” to read as follows:                                       |

In the past sixty (60) days, Purchaser has not effected any transaction in the LAVA Shares. As of the date of this Offer to Purchase, Purchaser does not own any LAVA Shares. Except as otherwise described in this Offer to Purchase, none of Purchaser, any majority-owned subsidiary of Purchaser or, to the knowledge of Purchaser after making reasonable inquiry, any of the Item 3 Persons or any associate of the subject company (A) beneficially owns or has any right to acquire, directly or indirectly, any LAVA Shares; or (B) has effected any transaction in the Shares during the past 60 days. Except as otherwise described in this Offer to Purchase, neither Purchaser nor, to the knowledge of Purchaser after making reasonable inquiry, any of the Item 3 Persons, has any contract, arrangement, understanding or relationship with any other person with respect to any securities of LAVA, including, but not limited to, any contract, arrangement, understanding or relationship concerning the transfer or voting of such securities, finder’s fees, joint ventures, loan or option arrangements, puts or calls, guarantees of loans, guarantees against loss, guarantees of profits, division of profits or loss or the giving or withholding of proxies.

| III. | The third paragraph on Page 58 of the Offer to Purchase in the Section entitled “—7. Summary of the               
 Merger Agreement and Certain Other Agreements” is hereby amended and restated in its entirety to read as follows: |

Each CVR will represent a contractual