Fifth Amendment to Invitrogen Corporation 1997 Stock Option Plan

Summary

This amendment to the Invitrogen Corporation 1997 Stock Option Plan sets a limit on the number of stock options that can be granted to any employee in a single calendar year. Employees may receive up to 500,000 options per year, or up to 1,000,000 options in their first year of employment. These limits are subject to adjustment if there are changes in the company's capital structure.

EX-10.1 4 a2048097zex-10_1.txt EXHIBIT 10.1 Exhibit 10.1 FIFTH AMENDMENT TO THE INVITROGEN CORPORATION 1997 STOCK OPTION PLAN Pursuant to Section 12 of the Invitrogen Corporation 1997 Stock Option Plan, as amended (the "Plan"), the Plan is hereby amended to add a new Section 4.3 thereto to read as follows: "4.3 INDIVIDUAL SHARE LIMIT. The maximum aggregate number of shares of Stock with respect to which Options may be granted during any calendar year to any Employee may not exceed 500,000 shares or, in the case of the calendar year during which an Employee first commences employment with any Participating Company, 1,000,000 shares (subject to adjustment to reflect changes in capital structure covered by Section 4.2 above)."