About CertainTeed Corporation

Through innovation and creative product design, CertainTeed
Corporation has helped shape the building products industry for more
than 100 years.
Headquartered in Valley Forge, Pennsylvania, CertainTeed is a
Saint-Gobain company with approximately 7,000 employees and 40
manufacturing facilities throughout the U. Founded
in 1967, Prophet 21 continues to expand and enhance both its products and
customer base.

The statements contained in this document which are not historical facts
are forward -looking statements within the meaning of the Private Securities
Litigation Reform Act of 1995, as amended, including statements as to industry
trends, future products or services, and products or service line growth or
performance. Actual results may differ
materially from the future results , performance or achievements expressed or
implied by such forward-looking statements.com, for Activant Solutions.

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Business Editors

VALLEY FORGE, Pa.
The sharp rise in demand for the company 's roofing shingles in
2004 reflected the market's growing acceptance of asphalt designer
shingles .
The Form-A-Drain(R) three-in-one specialty foundation system also
enjoyed solid sales growth as did the insulation category with
advanced products such as the award-winning MemBrain(TM) SMART Vapor
Retarder. Activant will continue to
support and enhance Prophet 21 products as well as Activant's current
wholesale distribution offerings, including Activant Prelude and Activant
Eagle for Distribution.

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----CertainTeed
Corporation announces its sales for 2004 were $2.
As builders and homeowners continue to seek outdoor products that
withstand the elements and require little upkeep , sales of the
company's lines of vinyl fence, deck and railing remain strong.
CertainTeed also introduced an impact-resistant option, available
regionally, for Bryn Mawr II and New Castle XT(TM ) new construction
vinyl windows. And, due to the
high sales growth of its laminated roofing shingles throughout the
United States, the company completed a substantial plant expansion in
Shreveport , Louisiana, and broke ground on a new production line for
laminated shingles at its roofing facility in Oxford, North Carolina. Customer contact information will remain the same.

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The company will continue its focus on customer service designed
to help building professionals and remodeling contractors grow their
businesses.

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CertainTeed has introduced new incentives to home builders
who use two or more super premium products on home development
projects and retooled an incentive program for remodelers who use
multiple CertainTeed product lines. Through
Trading Partner Connect, distributors can access millions of items, enabling
them to compete on a larger scale and improve customer service . Over 20,000 customer locations use Activant to manage their
day-to-day operations. Activant assumes no duty to update information contained in this
document at any time.

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"The current challenge throughout the industry is to pace product
pricing with the escalating cost of raw materials, employee benefits
and logistics costs. www.
In addition to CommerceCenter, Prophet 21 offers several solutions
targeted to specific industries, including Acclaim, Array, D2K, IAS, Disc,
Faspac(R), Prism(R ), Turns, XL, and Stanpak(R). The transaction is expected to close in
mid-September, 2005, subject to the satisfaction of certain customary closing
conditions. Trading Partner Connect, a leading Internet
trading network for distributors, expedites sourcing, expands geographic
reach, and streamlines transactions between distributors and manufacturers.

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NOTE: Windows is either a registered trademark or a trademark of
Microsoft Corporation in the United States and/or other countries.

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In unison with its parent company Saint-Gobain, CertainTeed
is steadfast in building a world-class culture with unwavering
emphasis on health and safety for every employee with the ultimate
goal of zero workplace accidents. CertainTeed had sales of
approximately $2.
Prophet 21 also offers e-commerce services to simplify trading among
distributors. Prophet 21's Trading Partner Connect gives distributors an
Internet trading network that streamlines the commerce process between
distributors, their manufacturers/suppliers, and end-users, thereby increasing
sales and improving customer service while reducing operating costs. For more information about Prophet 21, please visit http://www.

About Activant Solutions
Activant Solutions Inc.

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Capacity for premium blowing wool was expanded at the company's
insulation plant in Kansas City, Kansas. We therefore see 2005 as a stable year in terms
of sales performance," says Dachowski.

Activant Solutions to Acquire Prophet 21

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"Overall , 2004 was a great year for CertainTeed," says Peter
Dachowski, President and CEO of CertainTeed Corporation .

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6 billion, an
increase of approximately 12 percent compared to the company's 2003
sales figures . Product
introductions such as Cedar Impressions(R) Triple 5" Perfection
Shingles, new in 2004 to the company's line of cedar-style polymer
siding products, give building professionals more flexibility and
design options when working with CertainTeed materials. Already the company
has unveiled several new product and service offerings, including
access to insurance and customer financing programs for CertainTeed
credentialed roofing contractors.

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CertainTeed Corporation Reaches Record $2.6 Billion in Annual Sales

Trading
Partner Connect also provides distributors with a Web-based storefront to give
end-users online customer service as well as ordering capabilities 24 hours a
day, seven days a week. develops technology solutions and services for the
wholesale distribution vertical market that are designed to help distributors
increase sales, improve customer service, and reduce operating costs. Headquartered in
Austin, Texas, Activant has operations in California, Colorado, Illinois ,
South Carolina, Utah, Canada, Ireland and the United Kingdom.com. Investors are cautioned that forward -looking statements are
inherently uncertain and subject to risks.

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In addition, exceptional demand for roofing materials in the
southeast region of the United States, caused in large part by an
active hurricane season, contributed to the 2004 up tick in sales
performance. Founded in 1904 as General Roofing Company, the firm
made its slogan "Quality Made Certain, Satisfaction Guaranteed," which
quickly inspired the name CertainTeed. Today, CertainTeed is a leading
North American manufacturer of vinyl and fiber cement siding; vinyl
and composite decking, railing and fencing; vinyl windows;
residential, commercial and mechanical insulation; residential and
commercial roofing; pipe and foundations.6 billion in 2004.certainteed.
"This latest acquisition is part of Activant's ongoing growth strategy to
become the premier provider of vertical business management solutions, serving
small and medium-sized businesses," said Larry Jones, CEO of Activant
Solutions. For more
information , please visit http://www.

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Manufacturing Plant Expansions

Also of note in 2004 is the expansion of CertainTeed manufacturing
operations.com

"Both Activant and Prophet 21 are focused on helping distributors better
run their businesses end-to-end," said Chuck Boyle, CEO of Prophet 21. Prophet 21 CommerceCenter -- the popular enterprise software
solution for distributors -- combines the power of SQL Server and the
familiarity of the Windows(R) Operating System in a solution designed
especially for distributors.

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"

Product Innovations + Advancements

Demand for CertainTeed products experienced solid growth in 2004
as building professionals pursued innovative , low-maintenance
materials that are easy to install, easy to care for and enhance curb
appeal . The
composite decking category made advancements of its own as CertainTeed
modified the formulation of Boardwalk(R) Composite Decking + Railing
to upgrade the product's long-term performance.S. As a
result, Activant will become the owner of all of the outstanding stock of
Prophet 21.

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Features include order and inventory management, purchasing, pricing,
financial management, customer relationship management, business reporting and
analysis, e-business, and warehouse management. The aggregate purchase price is approximately $215 million,
subject to certain adjustments.

About Prophet 21
Prophet 21, Inc.

CONTACT: Jane Gideon of Incendio International, +1-415-293-8259 , or
jane@incendiopr.

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Founded in 1904, the building products company
manufactures roofing, siding , windows, insulation, fence, decking,
railing, foundations and pipe.
Other CertainTeed product categories contributed to the
year-over-year sales growth., Activant
Solutions Inc(TM), a leading provider of vertical business management
solutions and Prophet 21(R), Inc, a leading technology solutions provider to
the wholesale distribution market, today announced that Activant has agreed to
acquire Prophet 21."
Under the terms of a definitive merger agreement entered on August 15,
2005, Prophet 21 will merge with a newly formed subsidiary of Activant.

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p21. Activant's systems are designed to help customers
increase sales, boost productivity, operate more cost-efficiently, improve
inventory turns and enhance trading partner relationships.

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Acquisition Strengthens Activant's Position in the Wholesale Distribution
Market Segment

AUSTIN, Texas and YARDLEY, Penn. "By
leveraging the combined resources of both companies, we can continue to
deliver quality customer service and leading-edge products that will help our
customers grow their businesses to the next level.com.

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"Despite the
rising cost of raw materials, our sales grew more than $250 million
over the year prior thanks to our strong, broad product offering and
stellar workforce.
Prophet 21 Professional Services include support, consulting, and educational
programs designed to give distributors the maximum return on their technology
investment.
Founded in 1972, Activant provides customers with tailored proprietary
software, professional services, content, supply chain connectivity, and
analytics. Factors that might cause such a
difference include but are not limited to unrealized market demand for our
services, the ability to retain the people performing services, and those
risks and uncertainties identified in Activant's most recent Annual Report on
Form 10-K which has been filed with the United States Securities and Exchange
Commission.

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For instance, each of the company 's vinyl, polymer and fiber
cement siding businesses increased their share of market. Prophet 21 's next-generation product offering and over
3,400 supported customers enhances Activant's position as a leading provider
in the wholesale distribution segment, which complements Activant's current
leading position in the hardware and home center, automotive aftermarket and
lumber and building materials vertical markets. ("Activant") is a leading technology provider of
business management solutions serving small and medium-sized businesses in
four primary vertical markets: hardware and home center, lumber and building
materials, the automotive parts aftermarket and wholesale distribution .activant.

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Looking Ahead in 2005

In 2005, CertainTeed continues its storied tradition of innovation
through creative product design and development.

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The company's Bryn Mawr II(TM) vinyl
replacement window was rated a "Best Buy" by Consumer's Digest. "Prophet 21's next-generation business management solution,
CommerceCenter, and e-commerce offering, Trading Partner Connect, give
Activant a more comprehensive solution set that deepens our market expertise
and leadership in the wholesale distribution industry."
Since 1967, Prophet 21 has worked with distributors in many wholesale
distribution verticals, such as industrial, fasteners, electrical, fluid
power, medical, HVAC , plumbing, tile, paper, packaging, janitorial and other
vertical segments.

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MemBrain is a first-of -its-kind vapor retarder that changes
physical structure according to ambient humidity conditions , allowing
excess moisture to escape from wall cavities and helping prevent mold
and mildew. The company opened two new production facilities, one for
the manufacture of windows in West Sacramento , California, and another
for the manufacture of insulation in Sherman, Texas.
Also of significant priority is the health and welfare of its
employees. CommerceCenter, Prophet 21's next-generation software
solution, combines the power of SQL Server and the familiarity of the
Windows(R) operating system in a product designed especially for distributors.