Company: SCLXW
Filing Date: 2025-09-29
Form Type: 424B3
Source: 0001193125-25-221022
Chunk: 5

Company: Scilex Holding Co
Filing Date: 2025-09-29
Form: 424B3
Chunk 5
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 Consulting Agreement Terms and Conditions attached hereto and
incorporated by reference herein (the “Terms and Conditions”), and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties agree as follows:

1. S COPE OFS ERVICES.Effective as of the closing of the transactions contemplated by the
Agreement and Plan of Merger entered into as of August 30, 2024, as amended, by and among Denali Capital Acquisition Corp., a Cayman Islands exempted company which will migrate to and domesticate as a Delaware corporation prior to the
transaction contemplated by the Merger Agreement (“Parent”), Denali Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent, and Semnur Pharmaceuticals, Inc., a Delaware corporation and majority
owned subsidiary of Scilex (the “Effective Date”), Scilex hereby retains Consultant, and Consultant hereby agrees, through Consultant Key Person, to perform consulting and advisory services related to Scilex’s
business, business operations, and products, as reasonably requested by Scilex (the “Services”). In furtherance of provision of the Services, upon Scilex’s request, Consultant agrees to provide Scilex with
written reports and other documentation setting forth Consultant’s findings and advice, as appropriate, along with the results of any of the Services provided by Consultant pursuant to this Agreement, the sufficiency of such reports,
documentation and results being within the sole discretion of Scilex.

2. C OMPENSATION.

2.1 Payment.In consideration for Consultant’s Services hereunder, Scilex agrees to pay to Consultant at a rate of
$50,000.00 per month, with payment to be made within fifteen (15) days following the end of each month during the Term (as defined below), prorated for any partial months of service. During the Term, Consultant Key Person also shall continue to
vest in Consultant Key Person’s outstanding Scilex stock options.

2.2 Expenses.Scilex shall reimburse Consultant,
upon submission of itemized receipts by Consultant, for reasonable out-of-pocket expenses actually incurred by Consultant or Consultant Key Person in the furtherance of
Consultant’s performance of the Services, which are approved by Scilex in advance and in writing (the “Expenses”).

2.3 Invoicing.If Consultant or Consultant Key Person incurs any Expenses, Consultant shall, no later than thirty (30) days
following the date on which the Expenses were incurred