| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Zhang Ping | Chairman, CEO, and CFO, Director | C/O QUANTUMSPHERE ACQUISITION CORP,, 1185 6TH AVE., SUITE 304, NEW YORK, | /s/ Ping Zhang | 11 Aug 2025 | 0002063484 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | QUMSU | Ordinary Shares, par value $0.0001 per share | 3,126,650 | 05 Aug 2025 | See footnote | F1, F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | QUMSU | Rights | 05 Aug 2025 | Ordinary Shares | 32,664 | See footnote | F2, F3 |
| Id | Content |
|---|---|
| F1 | Includes 2,898,000 ordinary shares of the Issuer acquired by Whiteowl Holdings LLC prior to the Issuer's initial public offering. As a result of the underwriter's full exercise of its over-allotment option to purchase 1,080,000 units on August 7, 2025, no such shares are subject to forfeiture. Also includes 228,650 ordinary shares underlying the private placement units sold in a private placement conducted simultaneously with the Issuer's initial public offering. |
| F2 | Includes 228,650 rights underlying the private placement units, which were sold in a private placement taking place simultaneously with the Issuer's initial public offering. Each right is exchangeable for one-seventh of one ordinary share upon the completion of the Issuer's initial business combination. |
| F3 | Whiteowl Holdings LLC, a Delaware limited liability company, is the record holder of the securities reported herein, which is controlled by Ping Zhang. |