Barrack, Rodos & Bacine Announces Class Action Litigations.

PHILADELPHIA--(BUSINESS WIRE)--Oct. 15, 1999--

Barrack, Rodos & Bacine Announces Class Action Litigations to Purchasers of the Following Securities for the Following Class Periods: -0-

COMPANY                         EXCHANGE   SYMBOL       CLASS PERIOD
-------                         --------   ------       ------------
Amplidyne, Inc.                 NASDAQ     AMPD        9/9/99-9/14/99
HI/FN, Inc.                     NASDAQ     HIFN        7/26/99-10/7/99
UNUMProdivent Corp., Inc.       NYSE       UNM         2/4/98-8/2/99
Quintiles Transnational Corp.   NASDAQ     QTRN        7/16/99-9/15/99

You should be aware that class action complaints involving the securities of the above companies were filed on behalf of investors by the law firm of Barrack, Rodos & Bacine, often in cooperation with other major experienced securities firms.

Barrack, Rodos & Bacine has extensive experience in prosecuting investor class actions. Barrack, Rodos & Bacine has prosecuted securities, antitrust and consumer class actions for over 20 years from offices in Philadelphia, San Diego, New York, Boston and New Jersey, and has been designated lead counsel by federal and state courts across the country in large, complex cases.

One Court has described the firm as "recognized nationally to be a leading and skillful practitioner in the field of complex class actions." For more information about Barrack, Rodos & Bacine, please visit our website at www.barrack.com.

If you are a member of one or more of the Classes described above, you may move the Court to serve as lead plaintiff of the Class, if you so choose. In order to serve as lead plaintiff, however, you must meet certain legal requirements. If you wish to discuss these cases or have any questions concerning your rights or interests, please immediately contact:

Maxine S. Goldman

Shareholder Relations Manager

BARRACK, RODOS & BACINE, Counsel for Class Plaintiffs

3300 Two Commerce Square

2001 Market Street

Philadelphia, PA 19103

800/417-7305 toll free or 215/963-0600

888/417-7306 toll free or 215/963-0838 - fax numbers

e-mail at [e-mail]