EXHIBIT 99 Joint Filer Information Designated Filer: BLUM CAPITAL PARTNERS, L.P. Date of Earliest Transaction Required to be Reported: August 31, 2015 Issuer & Symbol: Avid Technology, Inc. (AVID) Address of each Reporting Person for this Form 3: 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. September 10, 2015 BCP III AIV A, L.P. By: BLUM STRATEGIC GP III, L.P. its General Partner By: Blum Strategic GP III, L.L.C. its General Partner By: /s/ Peter Westley ------------------------------ Peter Westley Partner BCP IV AIV A, L.P. By: BLUM STRATEGIC GP IV, L.P. its General Partner By: Blum Strategic GP IV, L.L.C. its General Partner By: /s/ Peter Westley ------------------------------ Peter Westley Partner