EX-FILING FEES

Calculation of Filing Fee Tables

Table 1: Transaction Valuation

		Transaction Valuation	Fee Rate	Amount of Filing Fee
Fees to be Paid	1	$ 411,886,943.52	0.0001531	$ 63,059.89
Fees Previously Paid
	Total Transaction Valuation:	$ 411,886,943.52
	Total Fees Due for Filing:			$ 63,059.89
	Total Fees Previously Paid:			$ 0.00
	Total Fee Offsets:			$ 0.00
	Net Fee Due:			$ 63,059.89

Offering Note

¹	Estimated solely for purposes of calculating the filing fee. The transaction valuation was calculated as the sum of: (i) 45,438,420 issued and outstanding shares of common stock, par value $0.0001 per share, of Y-mAbs Therapeutics, Inc. (the "Company"), multiplied by $8.60 per share (the "Offer Price"); (ii) (a) 3,879,772 shares of Company common stock subject to outstanding Company stock options with a per-share exercise price less than the Offer Price, multiplied by (b) the excess of the Offer Price over $5.44 (the weighted average exercise price of such Company stock options); (iii) 806,720 shares of Company common stock subject to outstanding Company restricted stock unit awards, multiplied by the Offer Price; and (iv) 223,100 shares of Company common stock subject to outstanding Company performance stock unit awards, multiplied by the Offer Price. *The filing fee was calculated in accordance with Rule 0-11 under the Securities Exchange Act of 1934, as amended, and Fee Rate Advisory for Fiscal Year 2025, effective October 1, 2024, issued August 20, 2024, by multiplying the transaction value by 0.00015310

Table 2: Fee Offset Claims and Sources	☑Not Applicable

		Registrant or Filer Name	Form or Filing Type	File Number	Initial Filing Date	Filing Date	Fee Offset Claimed	Fee Paid with Fee Offset Source
Fee Offset Claims	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Fee Offset Sources	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A