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365 MAIN REDUCES ENERGY USE AT DATA CENTER IN OAKLAND,
SAVES ENOUGH ENERGY TO POWER 242 HOMES ANNUALLY
Company Realizes Reduction by Participating in Innovative Green
‘Savings by Design’ Program Backed by PG&E

SAN FRANCISCO, Calif., Mar. 5, 2008 –– Data center developer and operator 365 Main announced today that by implementing energy-efficient measures recommended through the innovative green ‘Savings by Design’ program, sponsored in part by Pacific Gas & Electric Company (PG&E), the company will reduce annual energy consumption at its newest data center by more than 1.67 million kilowatt hours (kWh), representing enough energy to power approximately 242 homes each year.

Savings by Design, a program sponsored by four of California’s largest utilities, encourages the design and construction of high-performance and energy-efficient non-residential buildings. 365 Main participated by inviting PG&E and an independent third party to review design drawings of its newest data center, an 111,000-square-foot facility located in Oakland, Calif., and recommend design changes that would reduce power usage.

PG&E shares the cost incurred by participants in Savings by Design by issuing participants a lump rebate check, and the efficient improvements generally pay for themselves within 3 years. 365 Main was awarded a $168,000 rebate check from PG&E that will help offset the premium costs of the improvements.

All of the following energy-saving suggestions were accepted during the Oakland data center’s design phase and have already been fully implemented as construction on the modern facility was completed in late 2007:

• High-efficiency motors

• Estimated annual energy savings: 36,126 kWh

• Estimated annual cost savings: $4,335

Motors are at the core of various components within a data center, including the dozens of computer room air conditioners (CRACs) that cool modern facilities. Installing efficient motors throughout the data center improves the overall output of each device without drawing additional power. The expected payback period for premium motors is less than 2 years.

• Variable speed drives on the cooling tower fan motors

• Estimated annual energy savings: 66,828 kWh

• Estimated annual cost savings: $8,019

Cooling towers circulate the water throughout the data center’s massive air conditioning system that cools servers deployed in the facility. Installing variable speed drives on the cooling tower motors allows the motors to ramp up and down as needed compared to the “always on” state of traditional fan motors. The payback period for the premium variable speed drives is 3 years.

• High-efficiency pumps

• Estimated annual energy savings: 68,773 kWh

• Estimated annual cost savings: $8,253

Water circulates continuously in the data center’s air conditioning system via water pumps. High-performance pumps circulate 10% more water per minute than traditional pumps, but use the same amount of electricity as traditional pumps. The expected payback period for the premium pumps is 3 years.

• High-efficiency chillers

• Estimated annual energy savings: 404,274 kWh

• Estimated annual cost savings: $48,513

Water chillers are the core component of the data center’s air conditioning system that cools customer equipment. These high-performance chillers produce 20% more tons of cooling capacity than traditional chillers, but use the same amount of electricity as traditional chillers. The expected payback period for the premium chillers is 2 years.

• High-efficiency uninterruptible power supply (UPS)

• Estimated annual energy savings: 1,094,495 kWh

• Estimated annual cost savings: $131,339

Uninterruptible power supply (UPS) is an industry term for a back-up power system. In the Oakland facility, 365 Main deployed generators that feature a specialized flywheel design and boast a 93-96% efficiency compared to the 85-92% efficiency of traditional back-up power systems. Efficiency ratings refer to the amount of electricity that is carried through the back-up system; the higher the efficiency rating, the more power there is available to run customer equipment. The expected payback period for the premium generators is 1-2 years.

—Total estimated annual energy savings: 1,670,496 kWh

—Total estimated annual cost savings $200,460

"As an industry leader in energy efficiency, PG&E helps our customers implement building design that makes good sense - to the owner, to the design team, to the environment and to the bottom line," said Helen Burt, senior vice president and chief customer officer at PG&E. "We are excited to see 365 Main showing such leadership and commitment to the environment."

“Energy-efficient development is a top priority for us not only because it helps keep energy costs down, but also because we know we’re ultimately reducing our company’s carbon footprint,” said Chris Dolan, 365 Main CEO. “We are extremely proud to have participated in the Savings by Design program and think the initiative is a fantastic example of how businesses can work together with local utility partners to protect the environment.”

The Savings by Design Program is funded by California utility customers and administered by Pacific Gas and Electric Company, San Diego Gas and Electric, Southern California Edison Company, Southern California Gas Company, and the Sacramento Municipal Utility District. More details are available at www.savingsbydesign.com.

About 365 Main Inc.
365 Main Inc. develops and operates the world’s finest data centers. Intelligently designed and expertly managed, 365 Main’s data centers are developed and certified to the highest industry standards and compliance requirements, including SAS70, and feature 24/7/365 power, cooling, connectivity and security capabilities to ensure mission-critical operations and business continuity for tenants. Today, hundreds of hosting, telecommunication and Fortune 1000 enterprises rely on 365 Main. 365 Main is a privately held company based in San Francisco, Calif. More information is available at 877-365-MAIN (6246) or www.365main.com.

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