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Qualys Investor Relations
919 E Hillsdale Blvd, 4th Floor
Foster City, CA 94404 USA
(650) 801 - 6100
ir@qualys.com

Transfer Agent
Computershare Trust Company, N.A
150 Royall Street, Suite 101
Canton, Massachusetts 02021
(800) 962-4284
Foreign Stockholders: (781) 575-3120