Company: PTHS
Filing Date: 2025-05-27
Form Type: DEFM14C
Source: 0001140361-25-020509
Chunk: 871

Company: Pelthos Therapeutics Inc.
Filing Date: 2025-05-27
Form: DEFM14C
Chunk 871
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 counterparts or otherwise) by CHRO and the undersigned by facsimile, electronic mail (including any electronic signature covered by the U.S. federal ESIGN Act of 2000, Uniform Electronic Transactions Act, the Electronic Signatures and Records Act or other applicable law, e.g., www.docusign.com) or electronic transmission in .pdf format shall be sufficient to bind such parties to the terms and conditions of this Lock-Up Agreement.

<div align='center'>(Signature Page Follows)

I-4</div>

TABLE OF CONTENTS

|                         |     | Very truly yours,            |     |        |
| Print Name of Investor: |     | []                           |     |        |
|                         |     | Signature (for individuals): |     |        |
|                         |     | Signature (for entities):    |     |        |
|                         |     | By:                          |     |        |
|                         |     |                              |     | Name:  |
|                         |     |                              |     | Title: |

Accepted and Agreed Channel Therapeutics Corporation:

| By: |     |        |     |                                                   |
|     |     | Name:  |     | Francis Knuettel II                               |
|     |     | Title: |     | Chief Executive Officer & Chief Financial Officer |

[Signature Page to Lock-Up Agreement (Lead Investors in Concurrent Financing)]

I-5

#### TABLE OF CONTENTS

#### Annex J

### REGISTRATION RIGHTS AGREEMENT
This

### REGISTRATION RIGHTS AGREEMENT
(this “

#### Agreement
”), dated as of [ ], 2025, is by and among Channel Therapeutics Corporation, a Nevada corporation with offices located at 4400 Route 9 South, Suite 1000, Freehold, NJ 07728 (the “

#### Company
”), and the undersigned buyers (each, a “

#### Buyer
,” and collectively, the “

#### Buyers
”).

### RECITALS
A. The Company is party to that certain Agreement and Plan of Merger by and among the Company, CHRO Merger Sub Inc., and LNHC, Inc. (“

#### LNHC
”), dated as of April 16, 2025 (the “

#### Merger Agreement
”), pursuant to which LNHC will become a wholly-owned subsidiary of the Company (the “

#### Merger
”).

B. The Company has agreed, upon the terms and subject to the conditions of the Securities Purchase Agreement