EX-10.1 AGREEMENT CONCERNING SALE CARL W RAUSCH

EX-10.1 3 b47751bcexv10w1.txt EX-10.1 AGREEMENT CONCERNING SALE CARL W RAUSCH EXHIBIT 10.1 August 27, 2003 Carl Rausch Biopure Corporation 11 Hurley Street Cambridge, MA 02411 RE: Agreement concerning sale of common stock Dear Mr. Rausch: On today's date you intend to sell 100,000 shares of Biopure Corporation ("Company") Class A Common Stock ("Common Stock") to a purchaser pursuant to arrangements made for you by the Company. In consideration of the Company's services in assisting you in arranging this sale, you have agreed that you will not sell any shares of common stock that you own prior to April 15, 2004 except that you may sell to members of the Board of Directors or to substantial stockholders of the Company. You also acknowledge and agree with the Company's insider trading policy, which prohibits hedging transactions. Very truly yours, BIOPURE CORPORATION By: --------------------------- Ronald F. Richards Chief Financial Officer Agreed August 27, 2003 - --------------------------- Carl W. Rausch