Security Agreement

Recorded: 2003-12-05 Received: 2003-12-05 Pages: 12

Assignor

EXELLXIS, INC.

Executed: 2003-12-03

Assignee

SMITHKLINE BEECHAM CORPORATION

2301 RENAISSANCE BLVD., BLDG. #510, ATTN: VICE PRESIDENT, ALLIANCE AND JOINT VENTURE MANAGEMENT, KING OF PRUSSIA, PA, 19406, UNITED STATES

Covered Properties (6)

Anaplastic lymphoma kinase modulators and methods of use

Application: 60/489,658 →

Receptor-Type Kinase Modulators an Methods of Use

PCT: PCTUS2003021923 ↗

Human Adam-10 Inhibitors

PCT: PCTUS2003018262 ↗

Kinase modulators

Application: 60/470,674 →

Protein Kinase Modulators and Methods of Use

PCT: PCTUS2003013869 ↗

Multiple Prime Number Generation Using a Parallel Prime Number Search Algorithm

Application: 09/818,914 →