Corporate Presentation Opencode Systems

Opencode Systems Overview Founded in 2000, Headquarters in Sofia, Bulgaria 170+ team, mostly engineers Mobile core network-centered solutions In-house developed and owned core & IT stacks Patented multi - channel applications technology Inventor of the original USSD Center ISO 9001:2008 and OHSAS 18001 certified Privately owned and profitable since founding Opencode service offices in Malaysia, Tunisia, Morocco, Egypt, Algeria Opencode local support in Kenya, Pakistan Opencode sales – France, Thailand

Opencode Clients

Opencode Presence Algeria Azerbaijan Bangladesh Benin Bulgaria Canada CAR Chad Côte d’Ivoire Egypt Fiji France Gabon Germany Greece Iraq Kenya Kiribati Kosovo Kuwait Laos Libya Malaysia Maldives Mauritania Monaco Morocco Niger Pakistan Papua New Guinea Philippines Romania Singapore Slovenia Sri Lanka Togo Tunisia UAE USA Vietnam Zimbabwe

Telecom E2E SDP-VAS Ecosystem CORE SS7 Access Gateway IP Network RAN ASP SMSC SMPP SDP IVR, WAP, WEB MML IP HTTP VXML SOAP XML USSD ASP, VAS CP MEDIA GSM, EDGE, GPRS UMTS, 3G, 4G/LTE IN, OCS, OSS, BSS Switching Core MSC, SGSN, SSP Gateway Core Elements VLR, GMLC, GMSC Service Data & Control HLR, SCP INAP CAP SS7 MAP

OC Positioning in the Ecosystem CORE SS7 IP Network RAN ASP SMSC SMPP SDP IVR, WAP, WEB MML IP HTTP VXML SOAP XML USSD ASP, VAS CP MEDIA GSM, EDGE, GPRS UMTS, 3G, 4G/LTE IN, OCS, OSS, BSS Switching Core MSC, SGSN, SSP Gateway Core Elements VLR, GMLC, GMSC Service Data & Control HLR, SCP INAP CAP SS7 MAP Opencode Network Browser SCE UCIP Diameter

OC Products and services Opencode provides network platform (HW & SW) integrated with all major network equipment vendors including: Ericsson, Huawei, Alcatel-Lucent, Nokia, ZTE Enabling Telecom Operators to provide end users services and applications: Messaging services (SMS and MMS) Payment and recharge services Voice services.

Opencode Recruitment Profiles Programming languages and tools used: C++ Java script / Node.js PHP Python MySQL Oracle DB Needed staff: Software Developers Linux OS Administrators QA

Cooperation Program & Proposal Training status during whole graduation cycle (4 / 5 years) For students in Technical University (Sofia) or Sofia University, in the filed of Information Technologies and/or Telecommunications; For students succeeding OC initial evaluation test; Wage of minimum 600 leva per month and growing based on the skills and contribution; 15 work hours per week, including trainings; Flexible schedule (during week end, holidays); Possibilities for full time work during summer period; Other

Contact information Headquarters 10, Stoil Slatinski Str. 1616 Sofia, Bulgaria Stela Dafova, Team Leader, +359 894 699 489, stela.dafova@opencode.com Dimitar Kostadinov, R&D Director, +359 895 588 327, dimitar.kostadinov@opencode.com Daniela Lozanov, IPR Manager, Mob: +359 892 444 162, daniela.lozanov@opencode.com