Creating Equitable Employee Experiences Over the past year, Mavenir has made great progress in furthering its ESG commitments, with emphasis on equitable employee experiences for its growing and hybrid workforce. In addition to driving internal initiatives to promote the advancement of Diversity, Equity, Inclusion and Belonging (DEIB), Mavenir became a founding member of the Telecom Infra Project (TIP) Diversity Committee, earning a co-chair seat on the council in 2022. The committee seeks to further the business value Mavenir of diversity in its many forms – from diverse (particularly gender-diverse) representation in the workplace, to diversity of supply chain across the Telecom industry. Together, with its TIP partners, Mavenircontinues to bring important discussions around DEIB to the forefront, from promoting As a global (US-headquartered) diverse representation at industry events, to sharing best practices for diverse talent acquisition telecommunications leader with 37 and retention. offices across 25 countries, Mavenir is To provide equitable onboarding experiences during the pandemic, Mavenir launched an innovative committed to ensuring a healthy, New Joiner program - Mavenir’s New Joiner Corner is a virtual destination for all new employees to get started with onboarding activities, familiarize themselves with frequently used portals and tools, inclusive, and diverse workforce; virtually “meet” leadership teams, and understand Mavenir’s business portfolio. The portal includes promoting community involvement; and a New Joiner Training section with training and course materials, tailored for new joiner learning and success. The development of this platform has allowed Mavenir to create an inclusive team advancing environmental performance; environment for all employees, regardless of whether they work remotely, hybrid or in-office. enabling representation, equity and The New Joiner program has positively impacted employee engagement – as all employees have a centralized platform with common employee experiences and events. belonging for all team members across Mavenir’s global sites. External ESG Disclosure & Transparency Actions Mavenirengages with several leading organizations to disclose and provide transparency of its corporate sustainability practices. Mavenir is a signatory of the United Nations Global Compact and has disclosed to the CDP-Climate since 2018. Mavenir participates in the Telecommunication Industry Association’s (TIA) QuEST Sustainability Assessment program. In 2022, Mavenir was awarded the prestigious EcoVadis Bronze medallion for its commitment to sustainability and corporate social responsibility by the EcoVadis rating agency, the world’s largest provider of business sustainability ratings.2 ESG Awards and Recognition • TrustRadius Tech Cares Award 20221 All data and information on this slide is provided by Mavenir. 1. Please see previous page for award sources Siris does not make any representation or warranty, express or 2. EcoVadis.com implied, as to the accuracy or completeness of the information. Please also see page 25 for additional information and *Data as of October 2022 2022 Siris Capital ESG Report | 32 disclaimers.