Press Release

PITTSBURGH, May 11 /PRNewswire-FirstCall/ -- The Board of Directors of MSA (NYSE: MSA) today declared a second quarter dividend of 22 cents per share on common stock, payable June 10, 2007 to shareholders of record on May 21, 2007. This represents a 22% increase from the previous quarterly dividend of 18 cents.

The Board also declared a dividend of 56-1/4 cents per share on preferred stock, payable June 1, 2007 to shareholders of record on May 21, 2007.

About MSA:

Established in 1914, MSA is a global leader in the development, manufacture and supply of sophisticated safety products that protect people's health and safety. Sophisticated safety products typically integrate any combination of electronics, mechanical systems and advanced materials to protect users against hazardous or life-threatening situations. 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. Principal products include self-contained breathing apparatus, gas masks, gas detection instruments, head protection, respirators and thermal imaging cameras. The company also provides a broad range of consumer and contractor safety products through retail channels. These products are marketed and sold under the MSA Safety Works brand. MSA has annual sales of approximately $914 million, manufacturing operations throughout the United States and Europe, and more than 40 international locations. Additional information is available on the company's Web site at http://www.msanet.com.

SOURCE MSA

CONTACT: Mark Deasy of MSA,
+1-412-967-3357