EXHIBIT 99 Joint Filer Information Designated Filer: BCP III AIV A, L.P. Date of Earliest Transaction Required to be Reported: April 9, 2020 Issuer & Symbol: Avid Technology, Inc. (AVID) Address of each Reporting Person for this Form 4: 909 Montgomery Street, Suite 400, San Francisco, CA 94133 Relationship to Issuer of each Reporting Person: 10% Owner Signatures After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. April 9, 2020 BCP III AIV A, L.P. BCP IV AIV A, L.P. By: BLUM STRATEGIC GP III, L.P. By: BLUM STRATEGIC GP IV, L.P. its General Partner its General Partner By: BLUM STRATEGIC GP III, L.L.C. By: BLUM STRATEGIC GP IV, L.L.C. its General Partner its General Partner By: /s/ Peter Westley By: /s/ Peter Westley --------------------------- --------------------------- Peter Westley Peter Westley Member Member BLUM STRATEGIC GP III, L.L.C. BLUM STRATEGIC GP III, L.P. By: Blum Strategic GP III, L.L.C. its General Partner By: /s/ Peter Westley By: /s/ Peter Westley ------------------------------ ------------------------------ Peter Westley Peter Westley Member Member BLUM STRATEGIC GP IV, L.L.C. BLUM STRATEGIC GP IV, L.P. By: Blum Strategic GP IV, L.L.C. its General Partner By: /s/ Peter Westley By: /s/ Peter Westley ------------------------------ ------------------------------ Peter Westley Peter Westley Member Member BLUM STRATEGIC GP V, L.L.C. BLUM STRATEGIC GP V, L.P. By: Blum Strategic GP V, L.L.C. its General Partner By: /s/ Peter Westley By: /s/ Peter Westley ------------------------------ ------------------------------ Peter Westley Peter Westley Managing Member Managing Member RICHARD C. BLUM AND ASSOCIATES INC. BLUM CAPITAL PARTNERS, L.P. By: Richard C. Blum & Associates Inc. its General Partner By: /s/ Peter Westley By: /s/ Peter Westley ----------------------------- ----------------------------- Peter Westley Peter Westley Managing Partner Managing Partner