S-1 S-1/A EX-FILING FEES 333-289812 0001691082 LB PHARMACEUTICALS INC N/A N/A 0001691082 2025-09-08 2025-09-08 0001691082 1 2025-09-08 2025-09-08 0001691082 2 2025-09-08 2025-09-08 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables
S-1
LB PHARMACEUTICALS INC

Table 1: Newly Registered and Carry Forward Securities | ☐Not Applicable
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|  | Security Type | Security Class Title | Fee Calculation or Carry Forward Rule | Amount Registered | Proposed Maximum Offering Price Per Unit | Maximum Aggregate Offering Price | Fee Rate | Amount of Registration Fee | Carry Forward Form Type | Carry Forward File Number | Carry Forward Initial Effective Date | Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Newly Registered Securities
Fees to be Paid | 1 | Equity | Common Stock, par value $0.0001 per share | 457(o) |  |  | $ 206,666,672.00 | 0.0001531 | $ 31,640.67 |  |  |  |
Fees Previously Paid |  | Equity | Common Stock, par value $0.0001 per share | 457(o) |  |  | $ 100,000,000.00 |  | $ 15,310.00 |  |  |  |
Carry Forward Securities
Carry Forward Securities |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Total Offering Amounts: |  | $ 306,666,672.00 |  | $ 46,950.67 |  |  |  |
|  |  | Total Fees Previously Paid: |  |  |  | $ 15,310.00 |  |  |  |
|  |  | Total Fee Offsets: |  |  |  | $ 0.00 |  |  |  |
|  |  | Net Fee Due: |  |  |  | $ 31,640.67 |  |  |  |

Offering Note |

1 | (1) Estimated solely for the purpose of computing the amount of the registration fee pursuant to Rule 457(o) under the Securities Act of 1933, as amended. (2) Includes the aggregate offering price of additional shares that the underwriters have the option to purchase from the registrant, if any.

Table 2: Fee Offset Claims and Sources | ☑Not Applicable
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|  | Registrant or Filer Name | Form or Filing Type | File Number | Initial Filing Date | Filing Date | Fee Offset Claimed | Security Type Associated with Fee Offset Claimed | Security Title Associated with Fee Offset Claimed | Unsold Securities Associated with Fee Offset Claimed | Unsold Aggregate Offering Amount Associated with Fee Offset Claimed | Fee Paid with Fee Offset Source
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A
Fee Offset Sources | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A
Rule 457(p)
Fee Offset Claims | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A
Fee Offset Sources | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A

Table 3: Combined Prospectuses | ☑Not Applicable
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| Security Type | Security Class Title | Amount of Securities Previously Registered | Maximum Aggregate Offering Price of Securities Previously Registered | Form Type | File Number | Initial Effective Date
--- | --- | --- | --- | --- | --- | --- | ---
N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A