| (a) | Amount beneficially owned: On December 28, 2017, EMC Aggregator LLC became the direct owner of 4,557,906, or 5.0%, of the Shares of the Issuer, based on 90,782,791 Shares outstanding as of January 22, 2018, as a result of the transfer of such shares from EMC Holdco 2 B.V. to EMC Aggregator, LLC in connection with the dissolution of EMC Holdco 2 B.V. EMC Holdco 2 B.V. was an indirect wholly owned subsidiary of EMC Aggregator LLC. As of December 28, 2017, EMC Aggregator LLC owns 84.3% of the member interests of and controls EMC Acquisition Holdings LLC (“EMC Acquisition Holdings”). As of July 27, 2017, EMC Acquisition Holdings owns 5,080,049, or 5.6%, of the Shares of the Issuer, based on 90,782,791 Shares outstanding as of January 22, 2018. As a result, EMC Aggregator LLC is the beneficial owner of 9,637,955, or 10.6%, of the Shares of the Issuer, based on 90,782,791 Shares outstanding as of January 22, 2018. As the direct owner of 96.72429% of the equity interests of EMC Aggregator, LLC, ABRY Partners VII, L.P., a Delaware limited partnership, also may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC. As the direct owner of 3.19196% of the equity interests of EMC Aggregator, LLC, ABRY Partners VII Co-Investment Fund, L.P., a Delaware limited partnership, also may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC. As the direct owner of 0.08375% of the equity interests of EMC Aggregator, ABRY Investment Partnership, L.P. also may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC. Each of James Scola and Messrs. Yosef-Or and Brucato is a member of the board of directors of each of EMC Aggregator, LLC and may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC, but disclaims beneficial ownership of such Shares. ABRY Partners VII, L.P., ABRY Partners VII Co-Investment Fund, L.P. and ABRY Investment Partnership, L.P. disclaims beneficial ownership of such Shares beneficially owned by EMC Aggregator, LLC. ABRY VII Capital Partners, L.P., a Delaware limited partnership, the general partner of ABRY Partners VII, L.P., may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC, but disclaims beneficial ownership of such Shares. ABRY Partners VII Co-Investment GP, LLC, a Delaware limited liability company, the general partner of ABRY Partners VII Co-Investment Fund, L.P., may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC, but disclaims beneficial ownership of such Shares. ABRY VII Capital Investors, LLC, a Delaware limited liability company, the general partner of ABRY VII Capital Partners, L.P. and member of ABRY Partners VII Co-Investment GP, LLC, may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC, but disclaims beneficial ownership of such Shares. ABRY GP, a Delaware limited liability company, the general partner of ABRY Investment Partnership, L.P., may be deemed to share voting and dispositive power with respect to any Shares beneficially owned by EMC Aggregator, LLC, but disclaims beneficial ownership of such Shares. |