Material Agreement (Form 8-K)

On July 28, 2026, Nexalin Technology, Inc. (the "Company") entered into a Third Amendment to Office Lease (the "Third Amendment") with Nutex HQ LLC ("Landlord"), which amends that certain Office Lease from 2012, as previously amended (as amended, the "Lease"), for approximately 4,527 rentable square feet located at 1776 Yorktown, Suite 500, Houston, Texas 77056, to be used as the Company's headquarters. The Third Amendment extends the term of the Lease for a period of 65 complete calendar months commencing on March 1, 2026, and adds approximately 904 rentable square feet of expansion space to the existing 3,623 rentable square feet. The initial monthly base rent is approximately $5,435 per month for the existing premises prior to delivery of the expansion space, and thereafter will range from approximately $5,470 to $6,413 per month for the combined premises, subject to annual increases. The Company will receive a five-month base rent abatement following delivery of the expansion space, subject to the Company's compliance with its obligations under the Lease. The Company will also be responsible for its proportionate share of operating expenses and real property taxes. Subject to the terms of the Third Amendment, the Company has one option to extend the term of the Lease for an additional five-year period at the prevailing market rate.

The foregoing description of the Third Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the Third Amendment, a copy of which will be filed as an exhibit to the Company's Quarterly Report on Form 10-Q for the period ended June 30, 2026 and is incorporated herein by reference.