Company: MIRM
Filing Date: 2025-09-09
Form Type: S-8
Source: 0001759425-25-000045
Chunk: 4

Company: Mirum Pharmaceuticals, Inc.
Filing Date: 2025-09-09
Form: S-8
Chunk 4
---
 Christopher Peetz    |
| Christopher Peetz           |
| Chief Executive Officer     |

### POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Christopher Peetz, Eric Bjerkholt and Douglas Sheehy, and each one of them, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in their name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this registration statement, and to sign any registration statement for the same offering covered by this registration statement that is to be effective on filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and all post-effective amendments thereto, and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.

| Signature                           
 /s/ Christopher Peetz               |     | Title                                                
 Chief Executive Officer and Director                 
 (Principal Executive Officer)                        |     | Date              
 September 9, 2025 |
|:------------------------------------|:----|:-----------------------------------------------------|:----|:------------------|
| Christopher Peetz                   |     |                                                      |     |                   |
| /s/ Eric Bjerkholt                  |     | Chief Financial Officer(Principal Financial Officer) |     | September 9, 2025 |
| Eric Bjerkholt                      |     |                                                      |     |                   |
| /s/ Jody Howe                       |     | Senior Vice President, Global Controller             
 (Principal Accounting Officer)                       |     | September 9, 2025 |
| Jody Howe                           |     |                                                      |     |                   |
| /s/ Laura Brege