Termination of a Material Definitive Agreement.

Termination of Credit Agreement

With respect to that certain Term Loan Credit and Security Agreement (as amended, restated, supplemented or otherwise modified prior to the date hereof, the "Credit Agreement"), dated as of August 5, 2021, with the other loan parties party thereto, the lenders party thereto and Alter Domus (US) LLC, as disbursing agent and collateral agent, on June 4, 2026, Quantum Corporation (the "Company") paid an aggregate of $57.8 million in connection with the termination of the Credit Agreement, consisting of the entire outstanding principal amount of $56.0 million, accrued interest of $1.5 million, and fees and expenses of $0.3 million incurred in connection with such termination.

Termination of Equity Line of Credit

With respect to that certain Standby Equity Purchase Agreement (the "SEPA"), dated as of January 25, 2025, with YA II PN, Ltd., a Cayman Islands exempt limited partnership ("Yorkville"), on June 4, 2026, in accordance with the terms of the SEPA, the Company provided a notice to Yorkville regarding its termination of the SEPA, effective as of June 11, 2026. There were no amounts owed to Yorkville under the SEPA at the time the termination notice was provided.

Termination of Indenture

Pursuant to the terms of that certain Conversion Agreement (the "Conversion Agreement"), dated as of June 1, 2026, with Dialectic Technology SPV LLC ("Dialectic") and, solely with respect to Sections 7.1 and 7.3 and Articles III and X thereof, U.S. Bank Trust Company, National Association, as the trustee and collateral agent under the Indenture (the "Indenture"), dated as of December 18, 2025, by and among the Company, the guarantors party thereto and U.S. Bank Trust Company, National Association, as trustee and collateral agent, on June 4, 2026, all of the Company's outstanding 10.00% PIK Senior Secured Convertible Notes due 2028 were canceled, and the Indenture was satisfied and discharged in full.

As previously disclosed, John Fichthorn, a member of the Company's board of directors, is the Managing Partner of Dialectic Capital Management, an investment advisor to Dialectic.