TUHSD June 14, 2011 Making Sustainability Work Jonathan Schwartz Manager, Asset Optimization Kris Waters, CMIR Investment Recovery Manager

COX Operating Companies

Cox Conserves Commitment Reduce our annual companywide carbon footprint, or greenhouse gas emissions, by 20% by 2017 Save 172,000 tons of greenhouse gas emissions annually - equivalent to the pollution produced by providing power to 26,000 homes

Sustainability Three pillars of truly sustainable private sector initiatives: Social: Community growth, non-profit support, job creation, education Economic: Financial return, cost savings, revenue generation, return on investment, long term financial viability, risk management/mitigation, financial impact of climate change Environmental: Minimizing or offsetting waste, reducing carbon dioxide emissions, reducing non-renewable resource consumption

Private Sector Sustainability Drivers Primary business-driven motivators: –Reduce Risk –Reduce Costs –Increase or Preserve Revenue –Build Brand Value –Impact Local Markets –Increase Employee Engagement

Local Cox Conserves Initiatives Solar parking structures Currently installed at six Arizona facilities. Sustainable facilities initiatives Reduce water, energy, and natural resource consumption – Lighting – HVAC – Water fixtures – Print services Fleet optimization Home start Vehicle size reduction Sustainable Sourcing Sustainable business practices a consideration in sourcing events. Telecommuting / Home Start Call center program where employees work from home. Field program where employees start from home to reduce unneeded carbon impact Investment Recovery An end-of-life asset management program dedicated to reuse, resale, and recycling to optimize assets’ return on investment

Redeploy or sell assets for reuse wherever possible Sustainably recycle unusable assets to recover material value Highlights asset’s value throughout its life cycle Local Cox Conserves Initiatives: Investment Recovery

Local Cox Conserves Initiatives Office and field operations waste recycling –Paper –Plastic –Cardboard –Coaxial cable Reduced waste disposal costs Proceeds reinvested in K-12 education programs through Cox Charities

Sustainable Private Sector Jobs Facilities Management Supply Chain Management Investment Recovery Management Network Operations / Engineering Information Technology Business Analysis Finance

Digital Ballasts in Call Center Installed 800 new digital ballasts in our call center building Enhanced dimming capabilities and “smart technology” - Integration of occupancy and lighting schedules Saves maintenance costs due to increased lifespan of lamps and ballasts Business Case Analysis: Call Center Ballasts

Purchase and Installation Costs$140,000 Annual Savings 200,000 KwH ($0.11 / KwH) APS Rebate$25,000 Annual savings in maintenance / replacement costs $10,000 Project Timeline10 Years Business Case Analysis: Call Center Ballasts

Simple Payback3+ yrs NPV (8% Discount Rate) $99K IRR34% Additional Considerations Employee comfort Reduced carbon footprint Promote development and manufacturing of energy-saving technologies 10 Year Investment Analysis ANALYSIS SUPPORTS A SUSTAINABLE STRATEGY!

Activity – Solar Power Purchase Agreements

Activity – SPPA Project Timeline20 Years Annual Production520,000 KwH Power Cost Increase$0.06 per KwH Rebates$0 (PPA provider retains) Maintenance Savings$2,000 annually Future Energy Cost Savings $5,000 with 1% annual growth Discount Rate8%

Activity – SPPA With no extra revenue or benefit, what is the cumulative cash flow? What is the Net Present Value (NPV) at an 8% discount rate? – Formula: t - the time of the cash flow i - the discount rate Rt - the net cash flow at time t. How much revenue or benefit is needed to have a positive NPV? If a positive NPV is not achievable, what other considerations must be taken into account?

Activity – Solar PPA Cumulative Cash Flow ($474K) Net Present Value (NPV) ($234K) Project Payback No Payback Environmental Considerations Reduced carbon footprint Social Considerations Example to other private businesses Non-Quantifiable Economic Considerations Public relations Builds brand value Local job creation

1.Sustainable practices often make business sense 2.Don’t have to work in a traditional “green job” to make a career of sustainability 3.The field of sustainability is rapidly evolving 4.Every waste stream has some level of value 5.Creativity is critical to success in the sustainability arena Environmental, social, and economic sustainability is optimized by aligning personal values and business drivers. Curriculum Recommendations

? Questions? Jonathan Schwartz Manager, Asset Optimization – direct Kris Waters, CMIR Investment Recovery Manager – direct