USDE · StableCoinX Inc.

These shares of Class A Common Stock of the Issuer were issued in connection with the closing of the business combination (the "Business Combination") among StablecoinX Inc. (the "Issuer"), TLGY Acquisition Corp. ("TLGY"), and StablecoinX Assets Inc. ("SC Assets"), pursuant to the terms of the Business Combination Agreement, dated July 21, 2025, by and among the Issuer, TLGY, SC Assets and the other parties thereto (as amended, the "Business Combination Agreement") and the terms of the Amended and Restated Sponsor Support Agreement, dated as of September 5, 2025, by and among the Issuer, TLGY, SC Assets and the holders of TLGY securities party thereto (the "Sponsor Support Agreement") upon the exchange and forfeiture of TLGY Class A Shares and Private Placement Warrants held by the Reporting Person hereunder. On the effective date of the Business Combination, the closing price of TLGY's Class A ordinary shares was $10.10.

Carnegie Park Capital LLC ("CPC") is the manager of CPC Sponsor Opportunities I (Parallel), LP (the "Parallel Fund") and CPC Sponsor Opportunities Fund I, LP (the "CPCSO Fund," together with the Parallel Fund, the "CPC Funds"). The reporting person is the Managing Partner of CPC and may be deemed to have voting and investment control with respect to the shares owned by the CPC Funds. This report shall not be deemed an admission that the reporting person is a member of a group or the beneficial owner of any securities not directly owned by the reporting person. The reporting person disclaims Section 16 beneficial ownership of the securities held by the CPC Funds, except to the extent of his pecuniary interest therein, if any.

These shares of Class A Common Stock of the Issuer were issued in connection with the closing of the business combination (the "Business Combination") among StablecoinX Inc. (the "Issuer"), TLGY Acquisition Corp. ("TLGY"), and StablecoinX Assets Inc. ("SC Assets"), pursuant to the terms of the Business Combination Agreement, dated July 21, 2025, by and among the Issuer, TLGY, SC Assets and the other parties thereto (as amended, the "Business Combination Agreement") upon the exchange of shares of SC Assets Class B Common Stock held by the Reporting Person hereunder.

These shares of Class B Common Stock of the Issuer were issued in connection with the closing of the Business Combination pursuant to the terms of the Business Combination Agreement, upon the exchange and forfeiture of TLGY Class A shares and Private Placement Warrants held by the Reporting Person hereunder.

Carnegie Park Capital LLC ("CPC") is the manager of CPC Sponsor Opportunities I (Parallel), LP (the "Parallel Fund") and CPC Sponsor Opportunities Fund I, LP (the "CPCSO Fund," together with the Parallel Fund, the "CPC Funds"). The reporting person is the Managing Partner of CPC and may be deemed to have voting and investment control with respect to the shares owned by the CPC Funds. This report shall not be deemed an admission that the reporting person is a member of a group or the beneficial owner of any securities not directly owned by the reporting person. The reporting person disclaims Section 16 beneficial ownership of the securities held by the CPC Funds, except to the extent of his pecuniary interest therein, if any.

These shares of Class A Common Stock of the Issuer were issued in connection with the closing of the business combination (the "Business Combination") among StablecoinX Inc. (the "Issuer"), TLGY Acquisition Corp. ("TLGY"), and StablecoinX Assets Inc. ("SC Assets"), pursuant to the terms of the Business Combination Agreement, dated July 21, 2025, by and among the Issuer, TLGY, SC Assets and the other parties thereto (as amended, the "Business Combination Agreement") and the terms of the Amended and Restated Sponsor Support Agreement, dated as of September 5, 2025, by and among the Issuer, TLGY, SC Assets and the holders of TLGY securities party thereto (the "Sponsor Support Agreement") upon the exchange and forfeiture of TLGY Class A Shares and Private Placement Warrants held by the Reporting Person hereunder. On the effective date of the Business Combination, the closing price of TLGY's Class A ordinary shares was $10.10.

Carnegie Park Capital LLC ("CPC") is the manager of CPC Sponsor Opportunities I (Parallel), LP (the "Parallel Fund") and CPC Sponsor Opportunities Fund I, LP (the "CPCSO Fund," together with the Parallel Fund, the "CPC Funds"). The reporting person is the Managing Partner of CPC and may be deemed to have voting and investment control with respect to the shares owned by the CPC Funds. This report shall not be deemed an admission that the reporting person is a member of a group or the beneficial owner of any securities not directly owned by the reporting person. The reporting person disclaims Section 16 beneficial ownership of the securities held by the CPC Funds, except to the extent of his pecuniary interest therein, if any.

These shares of Class B Common Stock of the Issuer were issued in connection with the closing of the Business Combination pursuant to the terms of the Business Combination Agreement, upon the exchange and forfeiture of TLGY Class A shares and Private Placement Warrants held by the Reporting Person hereunder.

Carnegie Park Capital LLC ("CPC") is the manager of CPC Sponsor Opportunities I (Parallel), LP (the "Parallel Fund") and CPC Sponsor Opportunities Fund I, LP (the "CPCSO Fund," together with the Parallel Fund, the "CPC Funds"). The reporting person is the Managing Partner of CPC and may be deemed to have voting and investment control with respect to the shares owned by the CPC Funds. This report shall not be deemed an admission that the reporting person is a member of a group or the beneficial owner of any securities not directly owned by the reporting person. The reporting person disclaims Section 16 beneficial ownership of the securities held by the CPC Funds, except to the extent of his pecuniary interest therein, if any.

These shares of Class B Common Stock of the Issuer were issued in connection with the closing of the Business Combination pursuant to the terms of the Business Combination Agreement, upon the exchange of shares of SC Assets Class B Common Stock held by the Reporting Person hereunder.

These shares of Class A Common Stock of the Issuer were issued in connection with the closing of the business combination (the "Business Combination") among StablecoinX Inc. (the "Issuer"), TLGY Acquisition Corp. ("TLGY"), and StablecoinX Assets Inc. ("SC Assets"), pursuant to the terms of the Business Combination Agreement, dated July 21, 2025, by and among the Issuer, TLGY, SC Assets and the other parties thereto (as amended, the "Business Combination Agreement") upon the exchange of shares of SC Assets Class B Common Stock held by the Reporting Person hereunder.

These shares of Class B Common Stock of the Issuer were issued in connection with the closing of the Business Combination pursuant to the terms of the Business Combination Agreement, upon the exchange of shares of SC Assets Class B Common Stock held by the Reporting Person hereunder. The Reporting Person disclaims Section 16 beneficial ownership of the securities hereby, except to the extent of his pecuniary interest therein, if any.

The reporting person is the Managing Partner of this entity and may be deemed to have voting and investment control with respect to the securities held of record by this entity. The reporting person disclaims Section 16 beneficial ownership of the securities held by this entity, except to the extent of his pecuniary interest therein, if any.

These shares of Class B Common Stock of the Issuer were issued in connection with the closing of the Business Combination pursuant to the terms of the Business Combination Agreement, upon the exchange of shares of SC Assets Class B Common Stock held by the Reporting Person hereunder. The Reporting Person disclaims Section 16 beneficial ownership of the securities hereby, except to the extent of his pecuniary interest therein, if any.

These shares of Class A Common Stock of the Issuer were issued in connection with the closing of the business combination (the "Business Combination") among StablecoinX Inc. (the "Issuer"), TLGY Acquisition Corp. ("TLGY"), and StablecoinX Assets Inc. ("SC Assets"), pursuant to the terms of the Business Combination Agreement, dated July 21, 2025, by and among the Issuer, TLGY, SC Assets and the other parties thereto (as amended, the "Business Combination Agreement") upon the exchange of shares of SC Assets Class B Common Stock held by the Reporting Person hereunder.

The reporting person is the Managing Partner of this entity and may be deemed to have voting and investment control with respect to the securities held of record by this entity. The reporting person disclaims Section 16 beneficial ownership of the securities held by this entity, except to the extent of his pecuniary interest therein, if any.

Represents shares of Class A Common Stock of the Issuer underlying Restricted Stock Units ("RSU"), each of which represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs will vest on December 25, 2026, subject to the Reporting Person's continued service through such date.