Offer Letter between Quantum and Adalio Sanchez, dated November 7, 2017

a base salary of $50,000 per month, payable in accordance with Quantum’s standard payroll policy and prorated for any partial months of work.

an incentive opportunity of $50,000 per month (prorated for any partial months of service) that may be earned for achievement of equally weighted performance goals relating to fiscal year 2018 and 1Q19 EBITDA and restructuring cost reduction goals, payable (to the extent earned) within 60 days after the end of the performance period. The performance goals against which your performance will be measured will be established and the bonus will be administered by the Leadership and Compensation Committee (the “Committee”) of the Board, approved by the Board and otherwise be subject to the terms of the bonus plan.

a restricted stock unit ("RSU") grant for each month of work of 40,000 shares (prorated for any partial months of service). The RSUs will vest on November 30, 2018, subject to your continued service as an employee or member of the Board through that date; provided, however, that if you are terminated prior to the next annual meeting, for any reason other than voluntary resignation or termination for cause, the RSUs will fully and immediately vest as of the date of your termination. In addition, if there is a change of control of Quantum (as defined in the applicable equity plan) and your service to Quantum ends in connection with the change of control, the RSUs will fully and immediately vest on the date your Quantum service ends. The RSUs will be granted monthly and administered by the Committee and be subject to the terms of an award agreement for each grant and Quantum’s equity compensation plan.