Company Changes (7/98)

BURGESS, Daniel D.

To:Nanogen Inc., CFO(Aug.)

From:Gensia Automedics Inc., Pres. & Dir.

Tel:[phone]

CASTALDI, Eric

To:NicOx SA, CFO(Jul.)

From:Safety Kleen Corp., CFO & COO

Tel:[phone]

CUNNINGHAM, Brian

To:Rigel Pharmaceuticals Inc., SVP & COO(Aug.)

From:Cooley Godward LLP, Chmn., Life Sciences Group

Tel:[phone]

DOMINICI, Robert J.

To:Cholestech Corp., EVP(Jul.)

From:Boehringer Mannheim Corp., SVP, GM

Tel:[phone]

DUKE, Clayton H.

To:Biopool International Inc., VP, Mktg. & Bus. Dev.(Aug.)

From:B. Braun Medical, VP, Mktg., Continuing Care Div.

Tel:[phone]

ELLIS, Darryl J.

To:OEC Medical Systems Inc., VP, Sales & Sales Support Mktg.(Jul.)

From:Nobel Inc., GM

Tel:[phone]

FUERST, Thomas R., PhD

To:T Cells Sciences Inc., VP, Corp. Dev.(Jul.)

From:Genetex Inc., Pres., Co-Founder, & Dir., Research

Tel:[phone]

HICKEY, James B., Jr.

To:Angeion Corp., Pres. & CEO(Jul.)

From:Aequitron Medical Inc., Pres. & CEO

Tel:[phone]

HIGGINS, Thomas T.

To:Vitex., EVP, Oper. & CFO(Jun.)

From:Cabot LNG(div. of Cabot Corp. of Boston), EVP & COO

Tel:[phone]

Executive Recruiter:Heidrick & Struggles

JONES, Gregory S.

To:Bionx Implants Inc., VP, Mktg.(Jun.)

From:Linvatec Corp., Dir., Global Mktg.

Tel:[phone]

KARAZIN, Drew

To:Life Medical Sciences Inc., VP & CFO(Jul.)

From:SCA Molnlycke, CFO

Tel:[phone]

KIM, Helen S.

To:Protein Design Labs Inc., VP, Mktg.(Jul.)

From:Chiron Corp., VP, Strat. Mktg. & Bus. Dev.

Tel:[phone]

KUO, James S., MD

To:Myriad Genetics Inc., VP, Bus. Dev.(Jul.)

From:Discovery Laboratories, Pres. & CEO

Tel:[phone]

Executive Recruiter:Maczkov-Biosciences Inc.

LEDERER, Robert G.

To:Connetics Corp., SVP, Sales & Mktg.(Jul.)

From:Serono Laboratories, EVP, Bus. Oper.

Tel:[phone]

LINE, Larry L.

To:Cyanotech Corp., VP, Sales & Mktg., Pres., Nutrex Inc.(subsid. of Cyanotech)(Jun.)

From:Renaissance Executive Forums, Pres.

Tel:[phone]

LONERGAN, John

To:EndoSonics Corp., VP, Sales & Mktg.(Aug.)

From:Boston Scientific Corp., Dir., Sales & Mktg.

Tel:[phone]

MACRAE, J.C.

To:Advanced Corneal Systems, VP, Fin. & CFO(Jul.)

From:Imagyn Medical, VP, Fin. & CFO

Tel:[phone]

MCNARY, Christopher

To:Gamera Bioscience Corp., VP, Mktg.(Jul.)

From:Chiron Diagnostics, WW Mktg. Mgr.

Tel:[phone]

MORVAY, Steven

To:AMBI Inc., VP, Sales & Mktg.(Jul.)

From:Collier Newfield Publications, Pres.

Tel:[phone]

MURPHY, Dennis J.

To:McKesson Health Systems, Pres.(Jun.)

From:Paper-Pak, COO

Tel:[phone]

PRENTKI, Ronald J.

To:Progenics Pharmaceuticals Inc., Pres.(Jul.)

From:Hoffmann-La Roche Inc., VP, Bus. Dev. & Strat. Planning

Tel:[phone]

Executive Recruiter:Korn/Ferry Int'l

ROSS, Bruce

To:Spectranetics Corp., VP, Sales & Service for the Americas(Jul.)

From:Picker International Inc., VP & GM

Tel:[phone]

SAKALA, Criss A.

To:Lifestream Technologies Inc., CFO(Jul.)

From:Nypro Colorado, Controller

Tel:[phone]

SCOTTI, Louis J.

To:ProtoMed Inc., Pres. & Dir.(Jun.)

From:Ligand Pharmaceuticals Inc., Exec. Dir., Licensing

Tel:[phone]

SCOTT, Jerry

To:ProCyte Corp., VP, Fin. & CFO(Jun.)

From:Catapult Inc., VP & CFO

Tel:[phone]

SUSEK, Ronald E., PhD

To:Gryphon Sciences, VP, Bus. Dev.(Jul.)

From:CoCensys Inc., VP, Corp. Bus. Dev.

Tel:[phone]

Executive Recruiter:OPV

STANTON, Marshall S., MD

To:Medtronic Inc., VP, Medical Affairs(Jul.)

From:Mayo Clinic Graduate School of Medicine, Assoc. Dir., Cardiovascular Training Program

Tel:[phone]

ULRICH, Peter G.

To:NeuroVir Inc., Pres. & CEO(Jul.)

From:LaJolla Pharmaceutical Co., EVP, Clinical Research

Tel:[phone]

VAN HORNE, Alexandra

To:Pharmacia & Upjohn, VP & Treas.(Jul.)

From:Bristol-Myers Squibb Co., Assistant Treas., Int'l

Tel:[phone]

WEINTRAUB, Bennet

To:Megabios Corp., VP, Fin. & CFO(May)

From:Technology Modeling Assoc. Inc., VP, Fin. & Admin. & CFO

Tel:[phone]

Executive Recruiter:Heidrick & Struggles

WOLER, Charles, MD, PhD

To:Cadus Pharmaceutical Corp., Pres. & CEO(Jul.)

From:Bouchara Group, GM

Tel:[phone]

Executive Recruiter:Houtz Strawn & Arnold Inc.