EXHIBIT A
ARTICLE I
The name of the Corporation is Annexon, Inc.
ARTICLE II
The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware.
ARTICLE III
The address of the Corporation’s registered office in the State of Delaware is 3500 South DuPont Highway, City of Dover, County of Kent, zip code 19901. The name of the registered agent at such address is Incorporating Services, Ltd.
ARTICLE IV
The total number of shares of stock that the Corporation shall have authority to issue is two hundred sixty-nine million, one hundred fifty-five thousand, four hundred seventy-two (269,155,472), consisting of one hundred fifty million (150,000,000) shares of common stock, $0.001 par value per share (“Common Stock”), and one hundred nineteen million, one hundred fifty-five thousand, four hundred seventy-two (119,155,472) shares of Preferred Stock. $0.001 par value per share. The first series of Preferred Stock shall be designated “Series A Preferred Stock” and shall consist of one million fifteen thousand four hundred thirty-four (1,015,434) shares; the second series of Preferred Stock shall be designated “Series A-1 Preferred Stock” and shall consist of sixteen million, three hundred ninety-eight thousand, nine hundred ninety-five (16,398,995) shares; the third series of Preferred Stock shall be designated “Series B Preferred Stock” and shall consist of thirty eight million, seven hundred seventy-eight thousand, ninety-one (38,778,091) shares; and the fourth series of Preferred Stock shall be designated “Series C Preferred Stock” and shall consist of sixty-two million, nine hundred sixty-sixty two thousand, nine hundred fifty-two (62,962,952) shares.
ARTICLE V
The terms and provisions of the Common Stock and Preferred Stock are as follows:
1. Definitions. For purposes of this Fifth Amended and Restated Certificate of Incorporation, the following definitions shall apply:
(a) “Affiliate” shall mean, with respect to any specified person, any other person who or which, directly or indirectly, controls, is controlled by or is under common control with such specified person, including, without limitation any partner, member, officer, director, manager or employee of such person and any venture capital fund now or hereafter existing that is controlled by one or more general partners or managing members of, or is under common investment management with, such person.
2