Company: TLGYF
Filing Date: 2025-12-29
Form Type: S-4/A
Source: 0001213900-25-125608
Chunk: 878

Company: TLGY ACQUISITION CORP
Filing Date: 2025-12-29
Form: S-4/A
Chunk 878
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 (not to constitute notice) to: Perkins Coie LLP 1155 Avenue of the Americas New York NY 10038 Email: Attention: Elliott Smith [Signature Page to Contribution Agreement]

Annex F-24

| STABLECOINX INC. |     |                         |
| By:              |     | /s/ Young Cho           |
| Name:            |     | Young Cho               |
| Title:           |     | Chief Executive Officer |

Address for Notices: 4001 Kennett Pike, Suite 302 Wilmington, Delaware 19807 E-mail: Attention: Young Cho with a copy (not to constitute notice) to: Perkins Coie LLP 1155 Avenue of the Americas New York NY 10038 Email:
Attention: Elliott Smith [Signature Page to Contribution Agreement]

Annex F-25

| STABLECOINX ASSETS INC. |     |                         |
| By:                     |     | /s/ Young Cho           |
| Name:                   |     | Young Cho               |
| Title:                  |     | Chief Executive Officer |

Address for Notices: 4001 Kennett Pike, Suite 302 Wilmington, Delaware 19807 E-mail: Attention: Young Cho with a copy (not to constitute notice) to: Edelman Legal Advisory PLLC 400 Rella Blvd, Suite 165 Suffurn, New York 10901 Attention: Ari Edelman Email: [Signature Page to Contribution Agreement]

Annex F-26

IN WITNESS WHEREOF , Ethena has executed or caused this Contribution Agreement to be executed by its duly authorized representative as of the date set forth below.

| Ethena Foundation                                                      |     |                |     | State/Country of Formation or Domicile: Cayman Islands  |
| By:                                                                    |     | /s/ Mark Piano |     |                                                         |
| Name:                                                                  |     | Mark Piano     |     |                                                         |
| Title:                                                                 |     | Director       |     |                                                         |
| Name in which Contribution Shares are to be registered (if different): 
 _____________________________________________                          |     |                |     | Date: _________________________________________         |
| EIN:_________________________________________                          |     |                |     |                                                         |
| Entity Type (e.g., corporation, partnership, trust, etc.): Foundation  |     |                |     |                                                         |
| Business Address-Street: _________________________                     |     |                |     | Mailing Address-Street (if different): ________________