Acuity Brands to Discuss 2007 First Quarter Results.

ATLANTA -- Acuity Brands, Inc. (NYSE: AYI) will host a conference call on Thursday, January 4, 2007 at 10:00 a.m. ET to discuss the Company's performance for the first quarter of fiscal 2007, following the announcement of those results earlier that day. Vernon J. Nagel, Chairman, President, and Chief Executive Officer of Acuity Brands, will lead the call. A live Webcast of the discussion will be accessible at the Company's Web site: www.acuitybrands.com. A replay of the call will also be posted to that site within two hours of the completion of the conference call and will be archived on the site.

Acuity Brands, Inc., with fiscal year 2006 net sales of approximately $2.4 billion, is comprised of Acuity Brands Lighting and Acuity Specialty Products. Acuity Brands Lighting is one of the world's leading providers of lighting fixtures and includes brands such as Lithonia Lighting[R], Holophane[R], Peerless[R], Hydrel[R], American Electric Lighting[R], Gotham[R], Carandini[R], SpecLight[R], MetalOptics[R] and Antique Street Lamps[TM]. Acuity Specialty Products is a leading provider of specialty chemicals and includes brands such as Zep[R], Zep Commercial[R], Enforcer[R], and Selig[TM]. Headquartered in Atlanta, Georgia, Acuity Brands employs approximately 10,600 people and has operations throughout North America and in Europe and Asia.