Johns Manville to Open TPO
Manufacturing Facility in Scottsboro

August 15, 2007

DENVER--(BUSINESS WIRE)--Johns Manville (JM), a leading manufacturer and marketer of building and engineered products, announced today that it will manufacture thermoplastic polyolefin (TPO) roofing membrane beginning in the second half of 2008.

"We are excited to announce another investment to strengthen our JM Building Product portfolio and improve our ability to serve our customers and support their growth," said Jeff Rea, senior vice president, Building Products.

Johns Manville will manufacture TPO in 10-foot widths for use in commercial and industrial mechanically attached and fully adhered roofing systems. It also will offer a full line of insulation and accessories, as well as a comprehensive product and system guarantees to support these systems.

"The company has invested in a new state-of-the-art TPO manufacturing operation located in Scottsboro, Alabama," said Tom Ryan, vice president and general manager, Roofing Systems. "This facility will complement our full line of bituminous and single-ply roofing products and we're excited to be part of the Scottsboro, Alabama business community with this new investment."

Among numerous building product solutions, JM offers a full line of roofing systems, service capabilities and guarantee programs for commercial, industrial and institutional roofing markets. It is the only manufacturer to offer a complete line of roofing membranes, including BUR, APP, SBS, EPDM, PVC and TPO. The JM product line includes a range of roofing insulations and cover boards as well as a broad line of accessories. JM designs all materials to work together in a fully functionally integrated system, thereby enabling the company to offer the industry's most comprehensive roof performance guarantee program.

"This investment reinforces our commitment to providing our customers with a complete portfolio of bituminous and single-ply low-slope roofing systems backed by our superior service," said Corby Whitaker, Director of Sales. "It enables our customers to select and receive the best solution to meet their individual needs."

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building and specialty products. The Denver-based company has sales in excess of $2.5 billion and holds leadership positions in all of the key markets that it serves. Johns Manville employs about 8,500 people and operates 43 manufacturing facilities in North America, Europe and China. Additional information can be found at www.jm.com.