Cohen Milstein Hausfeld & Toll, P.L.L.C. Announces Class Periods for Class Action Complaints

Business Wire, Sept 2, 1998

SEATTLE--(BUSINESS WIRE)--Sept. 2, 1998--The following was released today by Cohen, Milstein, Hausfeld & Toll, P.L.L.C.

NOTICE TO PERSONS WHO PURCHASED ANY OF THE FOLLOWING SECURITIES DURING THE TIME INDICATED: -0-

CORPORATION                        CLASS PERIOD

CyberGuard Corp.
(NASDAQ:CYBG)                      January 26, 1998 - August 21, 1998

EEX Corp.
(NYSE:EEX)                         August 3, 1995 - August 5, 1997

First Alliance Corporation
(NASDAQ:FACO)                      April 24, 1997 - May 28, 1998

Hybrid Networks, Inc.
(NASDAQ:HYBR)                      November 12, 1997 - June 1, 1998

Parametric Technology
(NASDAQ:PMTC)                      April 16, 1998 - July 1, 1998

Sonus Pharmaceuticals
(NASDAQ:SNUS)                      September 24, 1996 - June 8, 1998

Ultralife Batteries, Inc.
(NASDAQ:ULBI)                      April 30, 1998 - June 12, 1998

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 Cohen, Milstein, Hausfeld & Toll, P.L.L.C., often in cooperation with other experienced law firms. If you purchased any of the securities listed above during the periods indicated, you may have rights and interests in the litigations.

Plaintiffs' counsel in these actions -- Cohen, Milstein, Hausfeld & Toll, P.L.L.C. (www.cmht.com) -- has significant experience in prosecuting investor class actions and actions involving financial fraud. The firm has offices in Washington, D.C., and Seattle and is active in major litigation pending in federal and state courts throughout the nation. It is well known for its role in such high-profile litigation as the Texaco race discrimination case, the Holocaust Victims/Swiss Banks litigation and the Exxon Valdez Oil Spill litigation.

If you have any questions concerning your rights or interests in these cases, please contact Steven J. Toll via e-mail at stoll@siteconnect.com or toll free at 888/240-1238.

    CONTACT: Cohen, Milstein, Hausfeld & Toll, P.L.L.C.
              Steven J. Toll, stoll@siteconnect.com, 888/240-1238