X0609 4 2026-05-04 0 0001859807 Profusa, Inc. PFSA 0001564260 Knechtel Fred S. false 626 BANCROFT WAY, SUITE A BERKELEY CA 94710 0 1 0 0 Chief Financial Officer 0 Convertible Promissory Note 0.35 2026-05-04 4 P 0 1869796 1869796 D 2026-05-04 2026-12-31 Common Stock 5342274 1869796 I By NorthView Sponsor I LLC The conversion price is equal to the greater of (i) 95% of the closing price of the Common Stock on the Conversion Date and (ii) $0.35 per share, pursuant to the Note Modification and Conversion Agreement dated April 24, 2026. The Note became exercisable (convertible) on the Registration Effective Date, pursuant to Section 2.1 of the Note Modification and Conversion Agreement dated April 24, 2026. Represents the conversion of the entire outstanding principal balance of the Second Amended and Restated Promissory Note, dated April 6, 2026, in the amount of $1,869,796 into 5,342,274 shares of Common Stock, reflecting conversion at the $0.35 per share floor price. Mr. Knechtel is the managing member of NorthView Sponsor I LLC and may be deemed to share beneficial ownership of the securities held by NorthView Sponsor I LLC. Mr. Knechtel disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. /s/ Fred Knechtel 2026-05-05