Safety Month Marks National Push on Do-It-Yourself Safety

PITTSBURGH, National Safety Month is in
full swing and one company, MSA Safety Works , will be working this summer to
ensure consumers are safer than ever when tackling projects around the house
this summer.

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The
Safety Squad's mission is to equip these individuals with the information and
products that enable them to work more safely and avoid injuries.

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The remaining interest in Riggs is subject to a contractual right of BMC
Construction to acquire the additional interest in Riggs from the minority
shareholders.com.

MSA Safety Works estimates that fewer than
25 percent of this group will take appropriate steps to protect themselves
from the potential harm that could result from power tools, falling objects or
hazardous vapors.

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S."
According to the Home Improvement Research Institute, Americans are
expected to spend a record $280 billion this year fixing up their homes.

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Mr.
"Most people never think about wearing protective products or just don't
feel there's a need to do so," said John Quinn, Product Group and Marketing
Manager for MSA Safety Works and creator of the Home Safety Tour.
The 2005 Home Safety Tour began June 3 in Pittsburgh and will include
stops in Cleveland, Chicago, Philadelphia , Detroit and Washington, DC.

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Phoenix and Tucson are very
attractive builder markets and offer the right areas to take this step of
expanding our construction services.

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Information regarding business
risks and uncertainties is contained in our Annual Report on Form 10-K for the
period ended December 31, 2004 and periodic filings with the Securities and
Exchange Commission. "The antidote is
information, knowledge and awareness. In addition to making stops in
local neighborhoods and on job sites, the Safety Squad will demonstrate safety
products at retail locations, including select True Value Hardware and The
Home Depot stores.

This category contains sites which assist with constructing , repairing, remodelling, and decorating walls in the home.

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We undertake no obligation to update forward -
looking statements.
Touring in MSA Safety Works' Safety Bug, a highly customized Volkswagen
Beetle that resembles a giant hard hat, the Safety Squad will be a highly
visible reminder of the need to stay safe.

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Riggs will be operated as a division of BMC Construction's
integrated construction services business in Arizona, joining its KBI
Construction, LLC division, which provides turnkey framing and trim carpentry
services. For
more information, visit http://www.

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"

About BMHC
BMHC, a Fortune 1000 Company, is one of the largest suppliers of building
materials and construction services to the U. Undue reliance should not be
placed on such forward-looking statements , as such statements speak only as of
the date of this news release.
Additionally, it's estimated that 72 percent of these home improvement
projects will be tackled by DIYers.

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Mellor, BMHC's Chairman , President and Chief Executive
Officer, stated, "This transaction represents another step toward realizing
our vision of creating an integrated, multi-trade residential construction
company serving high volume residential builders.

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To learn more about BMHC, visit our website at http://www.

MSA Safety Works Launches 2005 Home Safety Tour

com/cgi-bin/prnh/20050621/CLTU033 )
To emphasize the need for sound safety practices, MSA Safety Works is
using the month of June to kick off its 2005 Home Safety Tour, a traveling
program created to educate the public on the importance of using proper
protective equipment -- such as safety glasses, hearing protection and
respirators -- when tackling do-it-yourself (DIY) projects. Last year,
the Squad distributed more 12,000 pairs of safety glasses and hearing
protection products.

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SAN FRANCISCO, Building Materials
Holding Corporation (Nasdaq: BMHC) today announced that it has acquired a
majority interest in Riggs Plumbing, LLC through its wholly owned subsidiary,
BMC Construction, Inc.bmhc.
Certain statements made in this news release constitute forward-looking
statements within the meaning of the Private Securities Litigation Reform Act
of 1995. "There is risk to
all of us, each and every day -- particularly in our homes and communities,"
said Alan C.

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homebuilding industry. While these statements
represent our current judgment on what the future may hold and we believe
these judgments are reasonable, these statements involve inherent risks and
uncertainties that may cause actual results to differ materially from our
historical experience and present expectations.newscom. McMillan, National Safety Council President .

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Gerry Riggs and his management team share our cultural
values and our vision and they will be a welcome addition to BMC Construction
and BMHC.
MSA Safety Works' comprehensive line of consumer products include
respirators, hard hats, hearing protection, eye and face protection,
protective clothing, fall protection equipment and first aid kits for use in
all home improvement projects.

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BMC Construction will pay for the transaction with cash and
assumption of debt.
Through our two operating subsidiaries, BMC West and BMC Construction, we
specialize in delivering high-quality building products and integrated
construction services to national, regional and local homebuilders and
contractors .

Business Risks and Forward-Looking Statements
There are a number of business risks and uncertainties that affect our
operations and therefore could cause future results to differ from past
financial performance or expected results. Established in 1914, MSA has annual sales of more than $850
million, manufacturing operations throughout the United States and Europe, and
more than 30 international locations.

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(Photo: http://www. "The truth
is that accidents happen when we least expect them and, literally, at the
blink of an eye. The company's
comprehensive line of products is used by workers around the world in the fire
service, homeland security, construction and other industries, as well as the
military.

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BMHC Adds Plumbing Installation Services to Its Arizona Construction Services Division

About MSA Safety Works
MSA Safety Works is the consumer products arm of MSA (NYSE: MSA), the
global leader in the development, manufacture and supply of sophisticated
safety products that protect people's health and safety.msasafetyworks.

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Riggs provides turnkey rough and finish plumbing
installation to high volume residential builders in the Phoenix and Tucson
markets. Robert E.; implementation of cost structures that
align with revenue growth; actual and perceived vulnerabilities as a result of
terrorist activities and armed conflict; international supply and demand for
key building materials and numerous other matters of a local and regional
scale , including those of a political, economic, business, competitive or
regulatory nature.

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economy, including
job formation, interest rates and consumer confidence; fluctuations in our
costs and availability of sourcing channels for commodity wood products and
building materials; changes in the business models of our customers; changes
in our competition; future integration of acquired businesses which may not
result in anticipated cost savings and revenue synergies being fully realized
or it may take longer to realize than expected; availability of and ability to
attract, train and retain highly -qualified individuals; unanticipated weather
conditions, including natural catastrophic events such as earthquakes, fire,
flood, hurricanes, tornadoes, etc."
Central to the MSA program is the Safety Squad, a team of safety
specialists that will patrol hundreds of neighborhoods and job sites in 12
cities in search for DIYers and contractors who are working at risk.com.

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These risks or uncertainties may include, but are not
limited to: changes in the overall condition of the U.

This category does not include sites which sell goods and services online (Shopping: Home and Garden ), sites for businesses that design or manufacture products (Business: Industries: Construction and Maintenance ), or sites offering advice for purchasing decisions (Home: Consumer Information).

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MSA Safety Works products can be found in leading home improvement stores
in the United States, including select Home Depot and True Value stores.

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With an excellent reputation for
quality, performance and service , Riggs is the right company with whom to make
this important move. Statements that are not historical or current facts, including
statements about our expectations, anticipated financial results and future
business prospects are forward-looking statements.