0001193125-26-395556 Sample Contracts

COMMON STOCK PURCHASE AGREEMENT Dated as of September 18, 2026 by and between
Common Stock Purchase Agreement • September 18th, 2026 • BioStem Technologies, Inc. • Biological products, (no disgnostic substances) • New York

This COMMON STOCK PURCHASE AGREEMENT is made and entered into as of September 18, 2026 (this “Agreement”), by and between Roth Principal Investments, LLC, a Delaware limited liability company (the “Investor”), and BioStem Technologies, Inc., a Florida corporation (the “Company”).

REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • September 18th, 2026 • BioStem Technologies, Inc. • Biological products, (no disgnostic substances)

This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of September 18, 2026, is by and between Roth Principal Investments, LLC, a Delaware limited liability company (the “Investor”), and BioStem Technologies, Inc., a Florida corporation (the “Company”).