On March 29, 2022, Perma-Fix Environmental Services, Inc. entered into an amendment with PNC to its Second Amended and Restated Revolving Credit, Term Loan and Security Agreement dated May 8, 2020. The March 29 Amendment provided the following: waived the company's failure to meet the minimum quarterly fixed charge coverage ratio (FCCR) requirement for the fourth quarter of 2021; removes the quarterly FCCR testing requirement for the first quarter of 2022; reinstates the quarterly FCCR testing requirement starting for the second quarter of 2022 and revises the methodology to be used in calculating the FCCR for the quarters ending June 30, 2022, September 30, 2022, and December 31, 2022 (with no change to the minimum 1.15:1 ratio requirement for each quarter); requires maintenance of a minimum of 3,000,000 in borrowing availability under the revolving credit until the minimum FCCR requirement for the quarter ended June 30, 2022 has been met and certified to the lender; and revises the annual rate used to calculate the Facility Fee (as defined in the Amended Loan Agreement) on the revolving credit, with addition of the capital expenditure line, from 0.375% to 0.500%. Upon meeting the minimum FCCR requirement of 1;15:1 on a twelve month trailing basis, the Facility Fee rate of 0.375% will be reinstated.