X0508 4 2025-12-17 0001805526 DeFi Development Corp. DFDV 0002061890 Onorati Joseph Mario 6041 CONGRESS AVENUE, SUITE 250 BOCA RATON FL 33487 1 1 1 CEO & Chairman 0 Common Stock 2216137.0000 I By 3277447 Nova Scotia Ltd Series A Preferred Stock 4500.0000 I By 3277447 Nova Scotia Ltd Common Stock 271043.0000 I By SolSync Solutions Partnership Stock Option (Right to buy) 4.9700 2025-12-17 4 A 0 214659.0000 0.0000 A 2026-01-17 2035-12-17 Common Stock 214659.0000 214659.0000 D Stock Option (Right to buy) 3.9100 2026-04-09 2035-04-09 Common Stock 301980.0000 301980.0000 D Warrant (Right to buy) 22.5000 2025-11-16 2028-01-21 Common Stock 27104.0000 27104.0000 I By SolSync Solutions Partnership Mr. Onorati is the control person as director and president of 3277447 Nova Scotia Ltd and may be deemed to control 3277447 Nova Scotia Ltd. Parker White and Mr. Onorati are partners of SolSync Solutions Partnership, an Alaska general partnership. Parker White is the general partner and maintains voting and dispositive control over the reported shares. The date shown is the first date exercisable. One forty-eighth (1/48th) of the total number of shares subject to the Option shall vest on the first date shown and on the same day of each month following the first vesting date, such that 100% of the shares subject to the Option will be vested on the four (4) year anniversary of the grant date, subject to the reporting person's continued service through each applicable vesting date. The date shown is the first date exercisable. One-fourth (1/4th) of the total number of shares subject to the Option shall vest on the first anniversary of the grant date, and thereafter one-thirty-sixth (1/36th) shall vest on the same date of the month applicable to the first vesting date on each of the thirty-six (36) months that occur after the date shown, such that 100% of the shares subject to the Option will be vested on the four (4) year anniversary of the grant date, subject to the reporting person's continued service through each applicable vesting date. /s/ Joseph Mario Onorati 2025-12-19