EX-FILING FEES

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Calculation of Filing Fee Tables
S-1
LB PHARMACEUTICALS INC

Table 1: Newly Registered and Carry Forward Securities	☐Not Applicable

		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, $0.0001 par value per share	Other	4,778,491	$ 23.54	$ 112,485,678.14	0.0001381	$ 15,534.27
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities
			Total Offering Amounts:				$ 112,485,678.14		$ 15,534.27
			Total Fees Previously Paid:						$ 0.00
			Total Fee Offsets:						$ 0.00
			Net Fee Due:						$ 15,534.27

Offering Note

¹	(A) Represents the number of shares of common stock, par value $0.0001 per share ("Common Stock") of LB Pharmaceuticals Inc that will be offered for resale by the selling stockholders named in this registration statement (the "Registration Statement"). Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the "Securities Act"), the Registration Statement shall also cover any additional shares of Common Stock that become issuable by reason of any stock dividend, stock split, recapitalization or other similar transaction effected without receipt of consideration that increases the number of outstanding shares of Common Stock. (B) The amount registered consists of (i) 3,361,384 shares of Common Stock and (ii) 1,417,107 shares of Common Stock issuable upon the exercise of pre-funded warrants held by certain selling stockholders. (C) Estimated solely for the purpose of computing the amount of the registration fee pursuant to Rule 457(c) under the Securities Act, based on the average of the high and low sales price of the Common Stock as reported on the Nasdaq Global Market on March 30, 2026, a date within five business days prior to the filing of the Registration Statement.

Table 2: Fee Offset Claims and Sources	☑Not Applicable

		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
Fee Offset Sources
Rule 457(p)
Fee Offset Claims
Fee Offset Sources

Table 3: Combined Prospectuses	☑Not Applicable

	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