0001213900-26-042974 Sample Contracts

Marti Technologies, Inc. and as Trustee and Collateral Agent SECOND SUPPLEMENTAL INDENTURE Dated as of October 31, 2025
Second Supplemental Indenture • April 13th, 2026 • Marti Technologies, Inc. • Services-auto rental & leasing (no drivers)

THIS SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), entered into as of October 31, 2025, between Marti Technologies, Inc., a Cayman Islands exempted company, as issuer (the “Company”), and U.S. Bank Trust Company, National Association, as trustee (in such capacity, the “Trustee”) and as collateral agent (in such capacity, the “Collateral Agent”).

NOTE SUBSCRIPTION AGREEMENT
Note Subscription Agreement • April 13th, 2026 • Marti Technologies, Inc. • Services-auto rental & leasing (no drivers) • New York
AMENDMENT NO. 1 TO NOTE SUBSCRIPTION AGREEMENT
Note Subscription Agreement • April 13th, 2026 • Marti Technologies, Inc. • Services-auto rental & leasing (no drivers)

This Amendment No. 1 to Note Subscription Agreement (this “Amendment”) is made and entered into effective as of October 31, 2025, by and between Marti Technologies, Inc., a Cayman Islands exempted company (f/k/a Galata Acquisition Corp.) (the “Company”), Callaway Capital Management, LLC (the “Commitment Party”) and 405 MSTV I LP, New Holland Tactical Alpha Fund LP, and Callaway Capital Management, LLC (together with the Commitment Party, each a “Subscriber”). Capitalized terms used but not otherwise defined herein shall have the respective meanings assigned to such terms in the Note Subscription Agreement (as defined below).