RADNOR, Pa.--(BUSINESS WIRE)--Airgas, Inc. (NYSE: ARG) Chairman and Chief Executive Officer Peter McCausland will speak at the Oppenheimer 4th Annual Industrials Conference in New York, NY, on Tuesday, November 17, at 2:00 p.m. ET. Interested parties may listen to a live webcast or replay until December 14 by accessing http://investor.shareholder.com/arg/events.cfm. Presentation slides will be available for download by 8:00 a.m. ET on November 17 in the Investor Information section of the Compan
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