It Pays to be Smart Efficiency Flexibility Reliability Savings © 2012 Digital Lumens

Leading the Way in Intelligent Lighting Redefining industrial lighting with Intelligent LED Lighting Systems that deliver unprecedented efficiency, performance, and customer value Reduces lighting energy use by up to 90% Integrates smart LED-based luminaires, sensing and intelligence Optimized for rugged industrial environments Lowest total cost of ownership (TCO) Patented intelligence technology Award-winning products & company © 2012 Digital Lumens

Intelligent Lighting System Drives Maximum Savings The Complete Solution Smart LED Lights Networked Together Centrally Managed © 2012 Digital Lumens

High performance occupancy sensing & dimming Efficiency Most energy efficient High performance occupancy sensing & dimming Daylight harvesting © 2012 Digital Lumens

Most Energy Efficient Lowest wattage Lowest energy use Longest life Efficiency Flexibility Reliability Savings Most Energy Efficient 155W 12+ year life No maint. ✔ Lowest wattage Lowest energy use Longest life Maintenance-free © 2012 Digital Lumens 290W 2 year life Frequent maint. 450W 2 year life Frequent maint.

High Performance Occupancy Sensing & Dimming Efficiency Flexibility Reliability Savings High Performance Occupancy Sensing & Dimming Occupancy sensors Fully integrated into each fixture Deliver light only where & when needed Features three infrared sensors Higher ceiling heights Improved performance Designed by Digital Lumens Dimming Full range dimming in every fixture Can be programmed from 0-100% Facility occupancy map report © 2012 Digital Lumens

Controlling Sensor Delays Controls Energy Cost Efficiency Flexibility Reliability Savings Controlling Sensor Delays Controls Energy Cost Sensor Delay % “Active” ILE Energy Cost* (160W) HIF Energy Cost* @ 15 mins (220W) 30 sec 25.2 % $35 / yr $190 60 sec 40.8 % $57 90 sec 52.4 % $73 3 min 72.5 % $102 5 min 89.3 % $125 10 min 98.6 % $138 Sensor Log Data © 2012 Digital Lumens | Proprietary & Confidential 4:30pm 5:30pm * 10¢ /kWh

Efficiency Flexibility Reliability Savings Daylight Harvesting Automatically assesses available ambient and gradually adjusts light output to illuminate area to target light level Photo sensors fully integrated into each fixture Depending on available ambient light, reduces lighting use by an additional 25-50% Consistent light quality throughout the space © 2012 Digital Lumens

Robust product & service family Intelligence Scheduling & reporting Flexibility Robust product & service family Intelligence Scheduling & reporting © 2012 Digital Lumens

Intelligent fixtures to address each facility’s unique needs Efficiency Flexibility Reliability Savings Intelligent fixtures to address each facility’s unique needs ILE-3-13 ILE-3-18 ILE-3-26 13,000 lumens 155W 18,000 lumens 215W 26,000 lumens 325W Up to 50’ mounting height Three independently rotatable LED light bars Integrated occupancy sensors Integrated daylight harvesting Wide or narrow optics options Onboard intelligence to manage fixture behavior Wirelessly connected to LightRulesTM management software 107,000 hour lifetime rating 5 year warranty ALL FIXTURES FEATURE:

LightRulesTM Lighting Management Software Efficiency Flexibility Reliability Savings LightRulesTM Lighting Management Software Control Report Active levels Inactive levels Occupancy sensor timeouts Energy consumption Energy cost Energy savings Facility occupancy Daylight harvesting What-if analysis LightRules software is an important component of the Digital Lumens intelligent lighting system. Without it, you wouldn’t be able to achieve the maximum savings available and it’s important to make sure that prospective customers understand this importance. In this section we’re going to talk about how the software results in additional cost-savings. © 2012 Digital Lumens

Manage, Edit & Report Efficiency Flexibility Reliability Savings Dashboard Profile Management Scheduling Energy Reports Facility Map Occupancy Map © 2012 Digital Lumens

Customize Lighting Customize lighting profiles by zone, e.g.: Efficiency Flexibility Reliability Savings Customize Lighting Customize lighting profiles by zone, e.g.: Loading docks Frozen storage Ambient storage Minimize lighting energy costs while maximizing operator efficiency & safety Automated or manual control Managed lighting = managed costs © 2012 Digital Lumens

LightRules Monitor Remote service Ensures maximum efficiency Flexibility Reliability Savings LightRules Monitor Digital Lumens has identified the following recommendations to increase energy efficiency and reduce lighting costs in your facility: Reduce occupancy timeouts in the loading dock area Decrease inactive levels in Room 5 Remote service Ensures maximum efficiency Quarterly & annual reports Recommendations to optimize energy efficiency Email alerts LightRules Monitor Alert

Fully certified, labeled & listed Tested & proven – case studies Reliability Fully certified, labeled & listed Tested & proven – case studies © 2012 Digital Lumens

Proven Reliability Robust design Efficiency Flexibility Reliability Savings Proven Reliability Robust design Rugged and integrated technology Tested, certified, listed, and labeled UL, CE/CB, DOE, Lighting Facts, DLC, NEMA IP Rating, LM79, LM80 Outstanding support 5-year warranty Backed by world-class lighting professionals 107,000-hour lifetime rating © 2012 Digital Lumens

Tested & Proven Deployed in the world’s leading industrial facilities Efficiency Flexibility Reliability Savings Tested & Proven Deployed in the world’s leading industrial facilities Warehouses, cold storage, manufacturing, aviation, etc. More than 200 large-scale deployments New Orleans Cold Storage © 2012 Digital Lumens

Case Study Energy Savings Highlights Efficiency Flexibility Reliability Savings Case Study Energy Savings Highlights Environment Previous Lighting Energy Savings Manufacturing 400 Watt HPS 75% Dry Warehouse 1,000 Watt HID 90% Cold Storage HIF Cold Storage (mobile racking) 400 Watt HID 97% Cold/New Construction NA 75-90% over alternatives © 2012 Digital Lumens

Lighting cost comparison Digital Lumens Advantage Savings Savings summary Lighting cost comparison Digital Lumens Advantage © 2012 Digital Lumens

Intelligent Lighting System Savings Summary Efficiency Flexibility Reliability Savings Intelligent Lighting System Savings Summary Incentives LED power reduction (watts) Fine-tuning HVAC & chiller load reduction Maintenance Intelligence © 2012 Digital Lumens

TCO Comparison Intelligent Light System vs. Alternatives 100 Lights @ $.10/kWh   HID HIF HIF with sensors LEDs without sensors LEDs with sensors Digital Lumens ILS System Type 400W MH 6L T5 Competitor ILE-3-13 Fixture Watts (including ballasts) 450 331 160 155 Total Lighting Time 8,760 (100%) 8,760 (100%) 7,884 (90%) 4,380 (50%) 1,752 (20%) Annual Energy Expense $39,420 $28,996 $26,096 $14,016 $7,008 $2,716 Percent Energy Savings 26% 34% 64% 82% 93% 5 Yr Maint. Expenses* $15,000 $10,000 $0 5 Yr TCO ** $249,600 $174,978 $165,480 $154,540 $124,540 $103,780 Considering lamp life and operating hours, and maintenance costs per fixture ** Annual energy expense x 10 year + maintenance + capital expense (incl. labor)

TrialPak for Pre-installation M&V Efficiency Flexibility Reliability Savings TrialPak for Pre-installation M&V Allows trial installation with full LightRules capability Confirms assumptions for: Energy reduction Daylight harvesting Occupancy Easily exportable M&V reports © 2012 Digital Lumens

Intelligence Doesn’t Cost More Efficiency Flexibility Reliability Savings Intelligence Doesn’t Cost More It Gives You More Andrea Klos Product Marketing Manager aklos@digitallumens.com +617-600-3905 © 2012 Digital Lumens