AMERICAN ORIENTAL BIOENGINEERING INC. CALLS CLASS B WARRANTS

American Oriental Bioengineering Inc. (AMEX: AOB), an emerging Chinese company that produces and distributes a broad range of pharmaceutical and nutraceutical products, announced that on Sept. 22, 2005, the company delivered a redemption notice with respect to all of its Class B warrants, and as of Oct. 12, all 3 million Class B warrants had been exercised. The company had previously delivered a redemption notice with respect to its Class A warrants and, as announced on Sept. 29, all 7.5 million Class A warrants had been exercised. The Class A and Class B warrants were issued in connection with the private placement that the company completed in November 2004.

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