3. © 2014 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. BNSF Railway®, other BNSF marks and images, and the locomotive trade dress are the intellectual property of BNSF Railway Company. All other marks contained herein are the property of their respective owners. Managed Hybrid Lync & Contact Center Solution 3 BNSF DC Employee Contact Center Agents AT&T Internet Datacenter Field officeHome office AT&T Internet Datacenter MPLS - VPN BNSF DC Employee Contact Center Agents Field office Home office Microsoft O365 Voicemail IVR & Contact Center Solution Enterprise Voice/ IM & Presence IVR & Contact Center Solution Enterprise Voice/ IM & Presence SIP Trunking In/Outbound Calls IP Flexible Reach Cloud CRM

4. Customer Challenges Consolidate systems to reduce number of disparate systems, network size and complexity. Centralize systems in the controlled environments of Data Centers. Converge all voice, video, and data into IP packets transported over an all IP Network. Provide enhanced communications tools to help improve efficiency for internal and external customers in a Contact Center. IT demands to manage separate initiatives (Contact Center, PBX replacement for 213 legacy PBXs). “ AT&T was able to consolidate multiple technology projects into a cohesive program to integrate our Microsoft Office 365, Lync and Genesys Contact Center initiatives. BNSF and AT&T collaborated on a holistic solution to deliver integrated functionality for our users” – Jo-ann Olsovsky VP & CIO BNSF Railway One of the largest Railway in North America Modernizing Systems to deliver greater business value Industry Benefits AT&T’s hybrid UC approach supports the customer’s need to balance Office 365 price point while benefiting from a full featured hosted Lync solution enabling Voice Transformation of 213 legacy PBX platforms. Customer Benefits Positioning modernized systems to deliver greater business value, supporting new market growth opportunities and efficient delivery of BNSF transportation services. Consolidate systems to reduce the number of disparate systems, network size and complexity. AT&T Success Story 4 © 2014 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. BNSF Railway®, other BNSF marks and images, and the locomotive trade dress are the intellectual property of BNSF Railway Company. All other marks contained herein are the property of their respective owners.