SRLPI 02 Alpha Group Capital Siris Capital Group Siris Partners IV, L.P. US Middle Market Buyout: Technology The Offering Siris Partners IV ("Skis IV" or the "Fund") is being formed by Siris Capital Group ("Skis"): Siris is a New York-based private equity firm targeting deep value, mature technology businesses in their transition to growth Three founders have worked together for over 18 years -$5.5bn cumulative fund commitments; Invested $4.7bn of equity across 14 investments1 Strategy Siris invests In transitioning technology companies that have both a strong legacy business (the "Bond") and robust next generation growth initiatives (the "Call Option") • "Bond": Predictable cash flows; mission-critical products and services; leading market share2 • "Call Option": "Mega" technology trends with significant potential upside; target potential for outsized returns through strategic sale or !PCP Highlights • Differentiated and value-focused Bond / Call Option investment strategy targeting a less-competitive segment of the technology market • Bond / Call separation facilitates focus on returning capital to investors quickly through dividend recapitalizations and asset sales; first liquidity event in 5/6 realized or partially realized investments took place in less than 24 months • Post acquisition operational improvements the primary driver of returns • Deep working relationships and industry expertise with Executive (operating) Partners • Research driven proprietary sourcing targeting primarily publicly traded companies Disciplined purchase price and conservative use of leverage versus market • Siris' avg. acquisition multiple of 5.8x'' Track Record as of June 30, 20184 Pro Forma for Polycom sale (Jul-2018), Web.com investment (Oct-2018), Intralinks sale (Nov-2018) SIRIS 4'1 Quarter 2018 Fund key terms Target size: $3.0bn ($3.5bn hard cap) Currency: USD Investment period: 5 years from final close 10 years from final close, subject to