Sintx Technologies, Inc. Leases Disclosure

13. Leases

 

The Company has entered into multiple operating leases from which it conducts its business.

 

SINTX

 

The Company leases 30,764 square feet of office, warehouse and manufacturing space under a single operating lease. This lease expires in October 2031. The lease has one five-year extension option.

 

 

SINTX Armor

 

The Company, on behalf of SINTX Armor, leases approximately 10,936 square feet of office and manufacturing space from which SINTX Armor conducted its operations. This lease expires in October 2031. Impairment of operating lease right-of-use assets of $0.7 million was recorded during 2024 related to Armor exit costs. In October 2025, the Company entered into a sublease agreement (the “Sublease”) with Hayes Performance Systems, Inc., a Delaware corporation (“Hayes”), pursuant to which the Company agreed to sublease to Hayes all of the premises the Company currently leases under its Industrial Lease Agreement dated August 19, 2021 with SLS Industrial Portfolio Owner SLCP, LLC (the “Prime Lease”). The Sublease term commenced on November 1, 2025, and expires on October 31, 2031, unless earlier terminated in accordance with the Sublease or upon termination of the Prime Lease. Under the Sublease, Hayes will pay the Company base rent ranging from approximately $9,700 per month during the first year of the Sublease to approximately $11,300 per month during the final year of the term, plus its proportionate share of operating expenses and taxes, currently estimated at $0.25 per rentable square foot per month. The Sublease provides for a three-month rent deferral totaling approximately $29,200, which will be repaid in six equal monthly installments beginning February 1, 2026. The Sublease is structured as a triple-net arrangement under which Hayes will be responsible for substantially all costs associated with the Subleased Premises, including utilities, maintenance, and insurance.

 

TA&T

 

In connection with the disposition of TA&T, the lease facilities, including right of use assets and lease liabilities, were transferred to Tethon (see Note 1).

 

Leases with an initial term of 12 months or less are not recorded on the balance sheet. Lease expense is recognized on a straight-line basis over the term of the lease. The Company accounts for lease components separately from the non-lease components. The depreciable life of the assets and leasehold improvements are limited by the expected lease term.

 

As of December 31, 2025, the operating lease right-of-use assets totaled approximately $2.5 million, and the operating lease liability totaled approximately $3.2 million. Amortization of right-of-use asset during the year ended December 31, 2025, totaled approximately $0.3 million. As of December 31, 2025, the weighted-average discount rate for the Company’s operating lease was 8.8%.

 

Operating lease future minimum payments together with the present values as of December 31, 2025, are summarized as follows:

 Schedule of Operating Lease Future Minimum Payments

Years Ending December 31,		Amount
2026		$	668
2027			688
2028			709
2029			730
2030			752
Thereafter			643
Total future minimum lease payments			4,190
Less amounts representing interests			(948	)
Present value of lease liability			3,242
Current portion of operating lease liability			398
Long-term portion operating lease liability		$	2,844