Nov 03,2004

MSA Schedules Third Quarter Earnings Webcast

PITTSBURGH, Oct. 25 /PRNewswire-FirstCall/ -- MSA (NYSE: MSA), the global leader in the development, manufacture and supply of sophisticated products that protect people's health and safety, announced today that it will broadcast a third quarter 2004 earnings conference call live via the Internet on Wednesday, November 3 at 2:00 p.m. EST. The call will last approximately 45 minutes.

Investors and interested parties will have the opportunity to listen to the conference call live at http://www.msanet.com. Please log onto MSA's Web site 15 minutes prior to the start of the conference call to register. It may be necessary to download audio software to hear the conference call. To do so, investors should click on the Earnings Conference Call link and follow directions from there. A replay of the conference call will be available on MSA's Web site for 30 days.

A press release outlining third quarter 2004 financial results will be distributed on November 3, 2004 before the market opens.

Established in 1914, MSA is a global leader in the development, manufacture and supply of sophisticated products that protect people's health and safety. The company has annual sales of approximately $800 million, manufacturing operations throughout the United States and Europe and 28 international affiliates. MSA'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. These products include self- contained breathing apparatus, gas masks, gas detection instruments, head protection, respirators and thermal imaging cameras. The company also provides a broad offering of consumer and contractor safety products, which are available through select home center retail outlets under the MSA Safety Works brand. More information about MSA is available on the company's Web site at www.msanet.com .

SOURCE  MSA
    -0-                             10/25/2004
    /CONTACT:  Mark Deasy of MSA, +1-412-967-3357/
    /Web site:  http://www.msanet.com /
    (MSA)

CO:  MSA; Mine Safety Appliances
ST:  Pennsylvania
IN:  ENV HEA
SU:  CCA MAV

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0158 11/03/2004 07:45 EST http://www.prnewswire.com