Sustainability. © 2012 Hilton Worldwide Confidential and Proprietary LightStay Proprietary system Calculates and analyzes sustainability performance Measures.

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 3

Our Goals

*2400+ Hilton Worldwide properties using LightStay (estimated savings adjusted for weather and occupancy against the 2008 baseline):

Reduce energy consumption by 20%

Reduce CO2 consumption by 20%

Reduce waste output by 20%

Reduce water consumption by 10%

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Our Results

*2400+ 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

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ISO Certification

• All 3,750 hotels worldwide awarded ISO 9001 certification for Quality Management Systems and ISO 14001 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

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• 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

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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

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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