S-1 S-1/A EX-FILING FEES 333-294508 0002088896 X-Energy, Inc. N/A N/A 0002088896 2026-04-20 2026-04-20 0002088896 1 2026-04-20 2026-04-20 0002088896 2 2026-04-20 2026-04-20 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables
S-1
X-Energy, Inc.

Table 1: Newly Registered and Carry Forward Securities | ☐Not Applicable
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|  | Security Type | Security Class Title | Fee Calculation or Carry Forward Rule | Amount Registered | Proposed Maximum Offering Price Per Unit | Maximum Aggregate Offering Price | Fee Rate | Amount of Registration Fee | Carry Forward Form Type | Carry Forward File Number | Carry Forward Initial Effective Date | Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Newly Registered Securities
Fees to be Paid |  |  |  |  |  |  |  |  |  |  |  |  |
Fees Previously Paid | 1 | Equity | Class A common stock | 457(a) | 44,022,556.10526 | $ 19.00 | $ 836,428,566.00 |  | $ 115,510.78 |  |  |  |
Fees Previously Paid | 2 | Equity | Class A common stock | 457(a) | 5,263,157.8947 | $ 19.00 | $ 100,000,000.00 |  | $ 13,810.00 |  |  |  |
Carry Forward Securities
Carry Forward Securities |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Total Offering Amounts: |  | $ 936,428,566.00 |  | $ 129,320.78 |  |  |  |
|  |  | Total Fees Previously Paid: |  |  |  | $ 129,320.78 |  |  |  |
|  |  | Total Fee Offsets: |  |  |  | $ 0.00 |  |  |  |
|  |  | Net Fee Due: |  |  |  | $ 0.00 |  |  |  |

Offering Note |

1 | Includes Class A common stock, par value $0.0001 per share ("Class A common stock"), issuable upon exercise of the underwriters' option to purchase additional Class A common stock, if any. The Registrant previously paid a registration fee of $115,510.78 in connection with the initial filing of Amendment No. 3 to the Registration Statement on Form S-1 on April 15, 2026. The fee was estimated solely for the purpose of calculating the registration fee in accordance with Rule 457(a) under the Securities Act of 1933, as amended (the "Securities Act").
2 | Includes Class A common stock, issuable upon exercise of the underwriters' option to purchase additional Class A common stock, if any. The Registrant previously paid a registration fee of $13,810.00 in connection with the initial filing of the Registration Statement on Form S-1 on March 20, 2026. The fee was estimated solely for the purpose of calculating the registration fee in accordance with Rule 457(o) under the Securities Act. This Maximum Aggregate Offering Price was originally registered under 457(o) and is now converted to 457(a).

Table 2: Fee Offset Claims and Sources | ☑Not Applicable
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|  | Registrant or Filer Name | Form or Filing Type | File Number | Initial Filing Date | Filing Date | Fee Offset Claimed | Security Type Associated with Fee Offset Claimed | Security Title Associated with Fee Offset Claimed | Unsold Securities Associated with Fee Offset Claimed | Unsold Aggregate Offering Amount Associated with Fee Offset Claimed | Fee Paid with Fee Offset Source
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims |  |  |  |  |  |  |  |  |  |  |  |
Fee Offset Sources |  |  |  |  |  |  |  |  |  |  |  |
Rule 457(p)
Fee Offset Claims |  |  |  |  |  |  |  |  |  |  |  |
Fee Offset Sources |  |  |  |  |  |  |  |  |  |  |  |

Table 3: Combined Prospectuses | ☑Not Applicable
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| Security Type | Security Class Title | Amount of Securities Previously Registered | Maximum Aggregate Offering Price of Securities Previously Registered | Form Type | File Number | Initial Effective Date
--- | --- | --- | --- | --- | --- | --- | ---