1. Gate Pharmaceuticals, a Division of Teva Pharmaceuticals, USA, Inc. which has its principal place of business at 650 Cathill Road, Sellersville, PA 18960. Teva Pharmaceuticals, USA, Inc. is incorporated in Delaware. It is alleged that Gate Pharmaceuticals was engaged in the business of manufacturing the pharmaceutical phentermine.

2. SmithKline Beecham Corporation has its principal place of business at One Franklin Plaza, Philadelphia, PA 19101. SmithKline Beecham Corporation is incorporated in Pennsylvania. It is alleged that SmithKline Beecham Corporation was engaged in the business of manufacturing the pharmaceutical phentermine.

3. Abana Pharmaceuticals, Inc. has its principal place of business at 1 Chase Corporate Drive, Suite 260, Birmingham, AL 35244. Abana Pharmaceuticals, Inc. is incorporated in Delaware. It is alleged that Abana Pharmaceuticals, Inc. was engaged in the business of manufacturing the pharmaceutical phentermine.

4. Richwood Pharmaceutical Company, Inc. has its principal place of business at 7900 Tanners Gate Drive, Suite 200, Florence, KY 41042. Richwood Pharmaceutical Company, Inc. is incorporated in Kentucky. It is alleged that Richwood Pharmaceutical Company, Inc. was engaged in the business of manufacturing the pharmaceutical phentermine.

5. Ion Laboratories, Inc. has it principal place of business at 7431 Pebble Drive, Fort Worth, TX 76118. Ion Laboratories, Inc. is incorporated in Texas. It is alleged that Ion Laboratories, Inc. was engaged in the business of manufacturing the pharmaceutical phentermine.

6. Medeva Pharmaceuticals, Inc. has it principal place of business at 14801 Sovereign Road, Fort Worth, TX 76155-2645. Medeva Pharmaceuticals, Inc. is incorporated in Texas. It is alleged that Medeva Pharmaceuticals, Inc. was in the business of manufacturing, promoting and distributing the pharmaceutical phentermine.

7. A.H. Robins Company, Incorporated has its principal place of business at 1407 Cummings Drive, Richmond, VA. A.H. Robins Company, Incorporated is incorporated in Delaware. It is alleged that A.H. Robins Company, Incorporated was engaged in the business of manufacturing the pharmaceutical fenfluramine.

8. Wyeth-Ayerst Laboratories Division of American Home Products Corporation has its principal place of business at Philadelphia, PA and is incorporated in Delaware. It has been alleged that Wyeth was in the business of promoting, marketing and distributing the pharmaceutical dexfenfluramine.

9. Interneuron Pharmaceuticals, Inc. has its principal place of business in Lexington, Massachusetts and is incorporated in the State of Delaware. It has been alleged that Interneuron Pharmaceuticals, Inc. was in the business of promoting, marketing and distributing the pharmaceutical dexfenfluramine.