RECITALSSecurities Purchase Agreement • October 7th, 2005 • La Jolla Pharmaceutical Co • Biological products, (no disgnostic substances) • Delaware
EXHIBIT 4.1 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "AGREEMENT"), dated as of October 6, 2005, by and among La Jolla Pharmaceutical Company, a Delaware corporation (the "COMPANY"), and the undersigned Purchasers (individually...Registration Rights Agreement • October 7th, 2005 • La Jolla Pharmaceutical Co • Biological products, (no disgnostic substances) • Delaware
EXHIBIT 4.2 FORM OF CONTINGENT WARRANT THIS WARRANT AND THE SHARES ISSUABLE UPON EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. NEITHER THIS WARRANT NOR THE SHARES ISSUABLE HEREUNDER MAY BE SOLD, OFFERED FOR...La Jolla Pharmaceutical Co • October 7th, 2005 • Biological products, (no disgnostic substances) • Delaware
October 6, 2005 Steven B. Engle La Jolla Pharmaceutical Company 6455 Nancy Ridge Drive San Diego, California 92121 Dear Steve, In order to continue to retain your services and to incentivize you to continue as an employee, subject to the terms of this...La Jolla Pharmaceutical Co • October 7th, 2005 • Biological products, (no disgnostic substances) • California
October 6, 2005 Theodora Reilly La Jolla Pharmaceutical Company 6455 Nancy Ridge Drive San Diego, California 92121 Dear Teddi, In order to continue to retain your services and to incentivize you to continue as an employee, subject to the terms of this...La Jolla Pharmaceutical Co • October 7th, 2005 • Biological products, (no disgnostic substances) • California
