Company: LBRX
Filing Date: 2025-07-23
Form Type: DRS/A
Source: 0000950123-25-006557
Chunk: 339

Company: LB PHARMACEUTICALS INC
Filing Date: 2025-07-23
Form: DRS/A
Chunk 339
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 Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits
included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis,
evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the
financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ BDO USA, P.C.

We have served as the Company’s auditor since 2016.

New
York, New York

June 27, 2025

F-2

LB Pharmaceuticals Inc Balance Sheets (in thousands, except share and per share data)

| Assets                                                                                                                                                                                  
 Current assets                                                                                                                                                                          |     | As of December 31, 
 2024               |          |   |     | 2023 |         |   |
|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:----|:-------------------|---------:|:--|:----|:-----|--------:|:--|
| Cash and cash equivalents                                                                                                                                                               |     | $                  |   22,978 |   |     | $    |  14,979 |   |
| Marketable securities                                                                                                                                                                   |     |                    |    5,021 |   |     |      |  28,312 |   |
| Prepaid expenses and other assets                                                                                                                                                       |     | $                  |      880 |   |     | $    |   2,343 |   |
| Total current assets                                                                                                                                                                    |     |                    |   28,879 |   |     |      |  45,634 |   |
| Operating lease                                                                                                                                                                         
 right-of-use assets                                                                                                                                                                     |     |                    |    2,298 |   |     |      |       — |   |
| Property and equipment, net                                                                                                                                                             |     |                    |    1,859 |   |     |      |      23 |   |
| Restricted cash                                                                                                                                                                         |     |                    |      498 |   |     |      |       — |   |
| Total assets                                                                                                                                                                            |     | $                  |   33,534 |   |     | $    |  45,657 |   |
| Liabilities, Redeemable Convertible Preferred Stock and Stockholders’ Deficit