Stock-PR Reporting

Catalyst Health Solutions, Inc. (Nasdaq:CHSI) is scheduled to present at the Citi Annual Small/Mid Cap Conference on Wednesday, November 16, 2011, at approximately 10:15 a.m. (PT) in Las Vegas, NV. The presentation will be available on Catalyst Health Solutions' web site at www.chsi.com.

Catalyst Health Solutions, Inc. (NASDAQ:CHSI) announced that David Blair, Chief Executive Officer, is scheduled to present at the William Blair 5th Annual Emerging Growth Stock Conference on Thursday, September 8, 2011, at approximately 12:30 p.m. (ET) in New York. The presentation will be available on Catalyst Health Solutions' web site at www.chsi.com.

Catalyst Health Solutions, Inc. (NASDAQ:CHSI) announced that Hai Tran will step down as Chief Financial Officer effective July 15, 2011 to pursue other business opportunities. Deirdre Kramer, Corporate Controller and Senior Vice President, Finance, will serve as interim CFO following Mr. Tran's departure until a permanent successor is selected. The Company has initiated a search.