Sustainability

© 2012 Hilton Worldwide Confidential and Proprietary LightStay Proprietary system Calculates and analyzes sustainability performance Measures multiple utility and operational metrics Meeting impact calculator Property-to-Property social networking tools

© 2012 Hilton Worldwide Confidential and Proprietary Our Goals 2 * Hilton Worldwide properties using LightStay (estimated savings adjusted for weather and occupancy against the 2008 baseline): Reduce energy consumption by 20% Reduce CO 2 consumption by 20% Reduce waste output by 20% Reduce water consumption by 10%

© 2012 Hilton Worldwide Confidential and Proprietary Our Results 3 * Hilton Worldwide properties using LightStay (estimated savings adjusted for weather and occupancy against the 2008 baseline): 50,000 – The number of cars that equals our carbon reduction 90,000 – The number of homes that could be powered 7,600 – The number of households necessary to create the amount of waste we have reduced 1,000 – The number of Olympic-sized pools that could be filled Utility cost savings of over $74M

© 2012 Hilton Worldwide Confidential and Proprietary ISO Certification All 3,750 hotels worldwide awarded ISO 9001 certification for Quality Management Systems and ISO certification for Environmental Management Systems International standards, assessed by a third-party certification body One of the first multi-national organizations to certify its entire system One of the largest ever volume certifications of commercial buildings 4

© 2012 Hilton Worldwide Confidential and Proprietary Enables the impact of any meeting or conference held at a Hilton Worldwide property to be measured Provides impact data that Customers can use in their own sustainability reporting Assists in driving efficient hotel design and construction Measures energy, waste and carbon - major expenses at every hotel Sales Team to add other benefits per usual Value Engagement discovery process The Benefits of LightStay 5

© 2012 Hilton Worldwide Confidential and Proprietary Donation of Reusable Goods Online product donation marketplace used by over 22,000 charities and linked to LightStay Over 1,300 hotels made donations in 2010 Donations included towels, blankets and office supplies - recovered through renovation and events, or had reached end of commercial service life, but still reusable Customers can also donate through system and track donations through meeting impact calculator 6

© 2012 Hilton Worldwide Confidential and Proprietary Global Soap Project Nonprofit organization that recovers and recycles soap from hotels Sorts, reprocesses and remolds used soap into new bars Distributes them to vulnerable populations in developing countries Expected to result in the donation of more than one million new 4-ounce bars of soap in first year alone 7