© 2009 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property. The Sustainable Business Mid-America Regulatory Conference June 15, 2009 Charlene Lake SVP, Public Affairs and Chief Sustainability Officer, AT&T

The World We Live in Today Page 2

AT&T Sustainable Business Practices Relevant and meaningful to both our company and our communities AT&T Citizenship and Sustainability Focus Page 3

Addressing High School Dropout Rate Page 4 Impacts our ability to maintain a high quality and diverse workforce Critical to our global competitiveness Redirected our resources to help address this issue

Addressing High School Success and Workforce Readiness Page 5 $100 million Aspire Initiative Grants to schools and nonprofits Job shadowing initiative Research to help determine causes and remediation Community dropout prevention summits

Page 6 Operational Alignment Citizenship and Sustainability Steering Committee (Cross-Functional Business Unit Representation) Public Policy Committee of the Board (Oversight) Core Working Team Business Unit Expert Teams Social Policy DiversityConsumptionSupply Chain Product Stewardship Community Engagement Waste Management Innovation

Minimizing Our Environmental Impact Page 7 Electricity consumption is largest source of greenhouse gas (ghg) emissions Established goal to reduce relative energy use of our network each year Reduce Electricity Consumption Reduce Fuel Use and Emissions Fleet is second largest source of ghg emissions Deploy more than 15,000 alternative fuel vehicles Fuel savings of 49 million gallons of gasoline Ghg emissions reduced by 211,000 metric tons Signaling demand

Helping Customers Minimize Their Impact ICT: Moves work to people rather than people to work Enables people to connect without travel Allows for the collection real-time data to monitor business processes remotely Improves transportation and distribution systems Page 8

“SMART 2020” Study Four key ICT opportunity areas in the U.S. Smart Buildings Could reduce emissions by as much as 360 million metric tons Road Transportation Could reduce CO2 emissions by 440 million metric tons saving as much as $115 billion Travel Substitution Could reduce carbon emissions up to 130 million metric tons Smart Grids Could reduce CO2 emissions by as much as 480 million metric tons saving as much as $35 billion Page 9

Developing Low Carbon Measurements 57% surveyed said they have a carbon- reduction strategy or are developing one Roughly half of this group said ICT was not included in part of their strategy Page 10 As a result of these findings, we’re working to better quantify the energy efficiencies, cost savings and greenhouse gas emission reductions that our products can provide to customers. Partnered with Cisco to sponsor a customer survey issued by the Economist Intelligence Unit

Telepresence Page 11

Page 12 Accelerates the adoption of ICT products — in government, in business, and in homes Moving Forward: Creating the Right Regulatory Framework Encourages rather than directs investment Ensures security and privacy of data Advances broadband technologies and access

© 2009 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property. The Sustainable Business Mid-America Regulatory Conference June 15, 2009 Charlene Lake SVP, Public Affairs and Chief Sustainability Officer, AT&T