Company: SCLXW
Filing Date: 2025-07-23
Form Type: 424B3
Source: 0001193125-25-163077
Chunk: 80

Company: Scilex Holding Co
Filing Date: 2025-07-23
Form: 424B3
Chunk 80
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|                        |     | Title: Chief Executive Officer and President |

| INVESTOR:                           |     |                           |
| TUMIM STONE CAPITAL, LLC            |     |                           |
| By: 3i Management, LLC, its Manager |     |                           |
| By:                                 |     | /s/ Maier Joshua Tarlow   |
|                                     |     | Name: Maier Joshua Tarlow |
|                                     |     | Title: Manager            |

[ Signature Page to Common Stock Purchase Agreement]

Annex I

DEFINITIONS

“Affiliate” means any Person that, directly or indirectly through one or more intermediaries, controls, is
controlled by, or is under common control with a Person, as such terms are used in and construed under Rule 144; that, with respect to the Investor, without limitation, any Person owning, owned by, or under common ownership with the
Investor, and any investment fund or managed account that is managed on a discretionary basis by the same investment manager as the Investor shall be deemed to be an Affiliate.

“Aggregate Limit” shall have the meaning assigned to such term in .

“Agreement” shall have the meaning assigned to such term in the introductory paragraph of this Agreement.

“Average Price” means a price per Share (rounded to the nearest tenth of a cent) equal to the quotient
obtained by dividing: (a) the aggregate gross purchase price paid by the Investor for all Shares purchased pursuant to this Agreement, by (b) the aggregate number of Shares issued pursuant to this Agreement.

“Bankruptcy Law” means Title 11, U.S. Code, or any similar U.S. federal or state law for the relief of
debtors.

“Beneficial Ownership Limitation” shall have the meaning assigned to such term in
.

“BHCA” shall have the meaning assigned to such term in
.

“Bloomberg” means Bloomberg, L.P. or its affiliates, successors,
and assigns.

“Bring-Down Opinion” shall have the meaning assigned to such term in
.

“Broker-Dealer” shall have the meaning assigned to such term in
.

“Bylaws” shall have the meaning assigned to such term in
.

“Charter” shall have the meaning assigned to such term in
.

“Common Stock” shall have the meaning assigned to such term in
the recitals of this Agreement.

“Common Stock Equivalents” means any securities of the Company or its
Subsidiaries which ent