News Release

ATLANTA, Oct 18, 2010 (BUSINESS WIRE) --

Acuity Brands, a market leader in innovative energy-efficient lighting and control solutions, is pleased to announce the release of a Mark Architectural Lighting app for the iPhone^(R). Acuity Brands' Mark Architectural Lighting(TM) products are a full-line of high-quality specification luminaires. Mark Architectural Lighting provides a palette of indoor recessed, surfaced, and pendant mounted fixtures, is an innovative and creative design resource for the architectural design community.

The free app, which can be downloaded from the iTunes^(R) online store, offers on-the-go access to all of Mark's product information. It provides lighting designers, architects and other lighting specifiers instant access to Mark's product selection, specifications, technical drawings, photographs and photometric data.

"It is important to provide our customers and sales force with functional tools, including new mobile apps, that aid in learning about and specifying our luminaires," said Chris McQuillan, Vice President, Mark Architectural Lighting. "We designed the iPhone(R) app to give them access to an enhanced version of our entire catalog whenever and wherever they require it," noted McQuillan.

The app also has an e-mail feature that allows users to send specification data directly to their e-mail account and easily share that information with others.

For more information about Mark Architectural Lighting, visit www.marklighting.com. You can also follow Acuity Brands` Mark Architectural Lighting at twitter.com/MarkLighting and on Facebook at http://www.facebook.com/pages/Mark-Architectural-Lighting/104485342931976.

About Acuity Brands

Acuity Brands, Inc., is a North American market leader and one of the world's leading providers of luminaires, lighting control systems and related products and services with fiscal year 2010 net sales of over $1.6 billion. The Company's lighting and system control product lines include Lithonia Lighting(R), Holophane(R), Peerless(R), Mark Architectural Lighting(TM), Hydrel(R), American Electric Lighting(R), Gotham(R), Carandini(R), RELOC(R), MetalOptics(R), Antique Street Lamps(TM), Tersen(R), Synergy(R) Lighting Controls, Sensor Switch(R), Lighting Control & Design(TM), and ROAM(R). Headquartered in Atlanta, Georgia, Acuity Brands employs approximately 6,000 associates and has operations throughout North America, Europe and Asia.

SOURCE: Acuity Brands, Inc.

Acuity Brands, Inc.
Charlie McLarty, 770-860-3291
charlie.mclarty@acuitybrands.com
or
Connie Cook, 770-860-2231
connie.cook@acuitybrands.com