X0609 4 2026-06-05 0 0002028293 Rain Enhancement Technologies Holdco, Inc. RAIN 0001432602 You Harry L. false 1180 NORTH TOWN CENTER DRIVE, SUITE 100 LAS VEGAS NV 89144 1 0 1 0 0 Class A Common Stock 2026-06-05 4 A 0 1612903 A 1612903 I By RHY Management, LLC Class A Common Stock 650120 D Class A Common Stock 237956 I By trust Class A Common Stock 564375 I By Berto LLC RHY Management, LLC ("RHY") exchanged an aggregate of $4,000,000 of indebtedness owed by the Company to RHY into 1,612,903 shares of the Issuer's Class A common stock, par value $0.0001 per share. Mr. You is the sole member of RHY and may be deemed to have a pecuniary interest in the securities held by RHY. Mr. You disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. Represents shares held by RHY 2021 Irrevocable Trust (the "Trust"). Mr. You is the settlor and investment officer of the Trust, and his son is the beneficiary of the Trust. Accordingly, Mr. You may be deemed to have a pecuniary interest in the securities held by the Trust. Mr. You disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. Mr. You is the sole member of Berto LLC and has voting and investment discretion with respect to the securities held of record by Berto LLC. Mr. You disclaims beneficial ownership of the securities held by Berto LLC, except to the extent of his pecuniary interest therein. /s/ Harry L. You 2026-06-09