Company: APXT
Filing Date: 2025-10-27
Form Type: S-1MEF
Source: 0001213900-25-102679
Chunk: 2

Company: Apex Treasury Corp
Filing Date: 2025-10-27
Form: S-1MEF
Chunk 2
---

effective pursuant to Section 8(a) of the Act and the rules and regulations promulgated thereunder.

This Registration Statement
covers the registration of an additional 5,750,000 of the Registrant’s units, each consisting of one ordinary share and one-half
of one redeemable warrant, including 4,500,000 units that may be purchased by the underwriters to cover over-allotments, if any.

The required opinions of counsel
and related consents and accountant’s consent are attached hereto and filed herewith. Pursuant to Rule 462(b), the contents of the
Prior Registration Statement, including the exhibits thereto, are incorporated by reference into this Registration Statement.

<div align='center'>CERTIFICATION</div>

The Registrant hereby certifies
to the Securities and Exchange Commission that (1) it has instructed its bank to pay the filing fee set forth on Exhibit 107 to this Registration
Statement by a wire transfer of such amount to the Commission’s account at U.S. Bank as soon as practicable (but no later than the
close of business as of October 28, 2025), (2) it will not revoke such instructions, (3) it has sufficient funds in the relevant account
to cover the amount of such filing fee and (4) it will confirm receipt of such instructions by its bank during regular business hours
no later than October 28, 2025.

<div align='center'>1

PART II

INFORMATION NOT REQUIRED IN PROSPECTUS</div>

ITEM 16. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

All exhibits filed with or
incorporated by reference in Registration Statement No. 333-289485 are incorporated by reference into, and shall be deemed to be part
of, this Registration Statement, except for the following, which are filed herewith:

| Exhibit No. |     | Description                                                                 |
| 5.1         |     | Opinion of Perkins Coie LLP.                                                |
| 5.2         |     | Opinion of Appleby (Cayman) Ltd., Cayman Islands counsel to the Registrant. |
| 23.1        |     | Consent of WithumSmith+Brown, PC.                                           |
| 23.2        |     | Consent of Perkins Coie LLP (included in Exhibit 5.1).                      |
| 23.3        |     | Consent of Appleby (Cayman) Ltd. (included