Regional Building Maintenance Company Joins Leading Global Provider of Cleaning and Hygiene Solutions to Earn GREENGUARD Certification

JohnsonDiversey’s cleaning system first to achieve top indoor air quality certifications from
GREENGUARD Environmental Institute

(Redmond, WA) June 3, 2010—In an effort to provide its customers such as Verizon, Pemco and
Cosmos International with cleaning supplies that pass third party testing for low-emitting products and
materials, Regional Building Maintenance Company announced today that it will work together with
JohnsonDiversey’s Healthy High Performance Cleaning System to earn the GREENGUARD certification.
Bestowed on behalf of the GREENGUARD Environmental Institute, the certification program is to improve
public health and quality of life through programs that improve the air.

Since 1998, Regional Building Maintenance Company (RBMC) has been recognized as one of the 15
fastest-growing private companies in the Puget Sound region. RBMC delivers impeccable building
janitorial services and boasts a perfect performance record with no loss or theft claims. Clients
include multi-tenant buildings, class A and B buildings, medical and dental offices, software and
telecommunications companies, light manufacturing facilities, retail shopping centers, and more.

JohnsonDiversey’s Healthy High Performance Cleaning System was the first cleaning system to achieve
GREENGUARD certifications in 2006 The Healthy High Performance Cleaning System consists of
three important elements: chemical products, tools and procedures to achieve lower impact on IAQ.
JohnsonDiversey’s Green Seal-certified products include Johnson Wax Professional brands: Stride
Citrus neutral cleaner, Alpha HP
multi-surface cleaner, Crew bathroom cleaner and scale remover
and Glance
NA glass, mirror and multi-surface cleaner; and Butcher’s brands: Raindance™ neutral
cleaner, G-Force H202 multi-surface cleaner, G-Force washroom cleaner and Look
NA glass,
mirror and multi-surface cleaner. The cleaning system’s tools include the PACE
microfiber floor-care
system and MicroQuick
microfiber cloths. The Healthy High Performance Cleaning Guide provides
users with the proper procedures. These products, procedures and tools, when used together following
the methods outlined in JohnsonDiversey’s Healthy High Performance Cleaning Guide, make up the
cleaning system that GREENGUARD certified.

“It’s critical to not only be a leader in quality but also in providing the safest environment for building
employees,” said Cecil B. Osborne, Founder and Principle Officer, Regional Building Maintenance
Company.”That’s why I’m excited to become part of the industry’s first GREENGUARD indoor air quality
certified cleaning system.” Osborne will be hosting a JohnsonDiversey Healthy High Performance
Cleaning System Presentation Wednesday June 9th, 2010 at 10:00am at his Redmond offices.

About Regional Building Maintenance Company

RBMC was formed in April, 1998, to provide professional building service maintenance services and
commercial cleaning for commercial, industrial, and retail buildings in Seattle, Tacoma and Everett
Washington. The company provides everything from basic janitorial services through highly specialized
maintenance and cleaning services to office spaces throughout the Northwest. For more information or to
receive a quote visit us at