Alpha Group Capital Mavenir: Results Post-Close Feb. 2018 Sims Close Acquisition Successful Organizational Changes Compensation • Established and communicated Long-Term Incentive Plan (LTIP) to drive equity value creation among key executives Strategy & Business Development • Integration and cost savings initiatives Follow-on Acquisition • Acquired Mitel Mobility and Ranzure for to consolidate messaging market position and reposition company for growth in 4G /5G Non-Core Subsidiary Sold • A2P enterprise division sold to CLX for 8x FY2016 EBITDA • Repaid debt repayment with proceeds Follow-on Acquisition • Acquired Brocade's virtual Evolved Packet Core assets for $2 mm Follow-on Acquisition • Acquired Aquto for no cash consideration Cost Savings/ EBITDA Growth • Grew EBITDA from $33mm in FY2016 to $83 mm in FY2017 EBITDA • Achieved $45 mm of run-rate cost savings initiatives, in line with acquisition plan Follow-on Acquisition • Acquired Argyle for $1.5 mm Gross Unreal iied Returns (Stun0 Total Gross MOIC $1,047 Fund Fund + Co-Invest: 1.4x only:1.4x $371 1.0x R $676 O Aug-2016 S Acquisition S 0.0x Unrealized M ($470) Value I C ($271) (1.0x) ($741) $1,047 $676 Total Value Co-Investor Share • Fund Share Note: Km ums include untraltool valutatom The actual waltzed retort of such unwanted instalments may defer erogeneity from the returns 'ult.-and herein. Please we -Append'.-Footnotes' for addMont areaderatons and definetoons. Past performance a not necesorrily indk4lve of Mute moults. 29 CONFIDENTIAL - PURSUANT TO FED. R. GRIM. P. 6(e) CONFIDENTIAL DB-SDNY-0075353 SDNY_GM_00221537 EFTA01378192