1 EXHIBIT 3.1 CERTIFICATE OF INCORPORATION OF MODTECH HOLDINGS, INC. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE ================================================================================ ARTICLE I NAME The name of the corporation (the "Corporation") is: Modtech Holdings, Inc. ARTICLE II REGISTERED OFFICE The address of the Corporation's registered office in the State of Delaware is Paracorp Incorporated, 15 East North Street, in the City of Dover, County of Kent. The name of the Corporation's registered agent at such address is Paracorp Incorporated. ARTICLE III POWERS The purpose of the Corporation shall be to engage in any lawful act or activity for which corporations may be organized and incorporated under the General Corporation Law of the State of Delaware (the "GCL"). ARTICLE IV CAPITAL STOCK (a) The total number of shares of stock which the Corporation shall have authority to issue is 30,000,000, consisting of 5,000,000 shares of preferred stock, par value $0.01 per share ("Preferred Stock"), and 25,000,000 shares of common stock, par value $0.01 per share ("Common Stock"). (b) The Preferred Stock may be issued from time to time in one or more series. The Board of Directors is hereby authorized to provide for the issuance of shares of Preferred Stock in series and, by filing a certificate pursuant to the applicable law of the State of Delaware ("Preferred Stock Designation"), to establish from time to time the number of shares to be 2 included in each such series, and to fix the designation, powers, preferences and rights of the shares of each such series and the qualifications, limitations and restrictions thereof. The authority of the Board of Directors with respect to each series shall include, but not be limited to, determination of the following: (1) The designation of the series, which may be by distinguishing number, letter or title. (2) The number of shares of the series, which number the Board of Directors may thereafter (except where otherwise provided in the Preferred Stock Designation) increase or decrease (but not below the number of shares thereof then outstanding). (3) Whether dividends, if any, shall be cumulative or noncumulative and the dividend rate of the series. (4) The dates on which dividends, if any, shall be payable. (5) The redemption rights and price or prices, if any, for shares of the series. (6) The terms and amount of any sinking fund provided for the purchase or redemption of shares of the series. (7) The amounts payable on, and the preferences, if any, of shares of the series in the event of any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation. (8) Whether the shares of the series shall be convertible into shares of any other class or series, or any other security, of the Corporation or any other corporation, and, if so, the specification of such other class or series of such other security, the conversion price or prices or rate or rates, any adjustments thereof, the date or dates at which such shares shall be convertible and all other terms and conditions upon which such conversion may be made. (9) Restrictions on the issuance of shares of the same series or of any other class or series. (10) The voting rights, if any, of the holders of shares of the series. (c) The Common Stock shall be subject to the express terms of the Preferred Stock and any series thereof. Each share of Common Stock shall be equal to each other share of Common Stock. The holders of shares of Common Stock shall be entitled to one vote for each such share upon all questions presented to the stockholders. Except as may be provided in this Certificate of Incorporation or in a Preferred Stock Designation, or as may be required by law, the Common Stock shall have the exclusive right to vote for the election of directors and for all other purposes, and holders of Preferred Stock shall 2 3 not be entitled to receive notice of any meeting of stockholders at which they are not entitled to vote. (d) The Corporation shall be entitled to treat the person in whose name any share of its stock is registered as the owner thereof for all purposes and shall not be bound to recognize any equitable or other claim to, or interest in, such share on the part of any other person, whether or not the Corporation shall have notice thereof, except as expressly provided by applicable law. ARTICLE V BYLAWS In furtherance of, and not in limitation of, the powers conferred by law, the Board of Directors is expressly authorized and empowered: (1) to adopt, amend or repeal the By-laws of the Corporation; provided, however, that the By-laws adopted by the Board of Directors under the powers hereby conferred may be amended or repealed by the Board of Directors or by the stockholders having voting power with respect thereto, and (2) from time to time to determine whether and to what extent, and at what times and places, and under what conditions and regulations, the accounts and books of the Corporation, or any of them, shall be open to inspection of stockholders; and, except as so determined or as expressly provided in this Certificate of Incorporation or in any Preferred Stock Designation, no stockholder shall have any right to inspect any account, book or document of the Corporation other than such rights as may be conferred by applicable law. The Corporation may in its By-laws confer powers upon the Board of Directors in addition to the foregoing and in addition to the powers and authorities expressly conferred upon the Board of Directors by applicable law. ARTICLE VI STOCKHOLDER MEETINGS Subject to the rights of the holders of any series of Preferred Stock or any other series or class of stock as set forth in this Certificate of Incorporation to elect additional directors under specific circumstances, any action required or permitted to be taken by the stockholders of the Corporation must be effected at a duly called annual or special meeting of stockholders of the Corporation and may not be effected by any consent in writing in lieu of a meeting of such stockholders. 3 4 ARTICLE VII DIRECTORS Subject to the rights of the holders of any series of Preferred Stock or any other series or class of stock as set forth in this Certificate of Incorporation to elect additional directors under specified circumstances, the number of directors of the Corporation shall be fixed, and may be increased or decreased from time to time, in such manner as may be prescribed by the By-laws of the Corporation. Unless and except to the extent that the By-laws of the Corporation shall so require, the election of directors of the Corporation need not be by written ballot. Each director shall serve for a term ending on the date of the next annual meeting; provided, that each director shall serve until his successor is duly elected and qualified or until his death, resignation or removal. Subject to the rights of the holders of any series of Preferred Stock or any other series or class of stock as set forth in this Certificate of Incorporation to elect additional directors under specified circumstances, any director may be removed from office at any time by the stockholders, but only for cause. ARTICLE VIII INDEMNIFICATION Each person who is or was or has agreed to become a director or officer of the Corporation, or each such person who is or was serving or who has agreed to serve at the request of the Board of Directors or an officer of the Corporation as an employee or agent of the Corporation or as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, including service with respect to employee benefit plans (including the heirs, executors, administrators or estate of such person), shall be indemnified by the Corporation, in accordance with the By-laws of the Corporation, to the fullest extent permitted from time to time by the GCL as the same exists or may hereafter be amended (but, in the case of any such amendment, only to the extent that such amendment permits the Corporation to provide broader indemnification rights than said law permitted prior to such amendment) or any other applicable laws as presently or hereafter in effect. Without limiting the generality or the effect of the foregoing, the Corporation may enter into one or more agreements with any person which provide for indemnification greater than or different from that provided in this Article VIII. Any amendment or repeal of this Article VIII shall not adversely affect any right or protection existing hereunder in respect of any act or omission occurring prior to such amendment or repeal. ARTICLE IX LIMITATION OF DIRECTORS' LIABILITY A director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach or alleged breach of fiduciary duty as a director, except for liability (1) for any breach of the director's duty of loyalty to the Corporation or its 4 5 stockholders, (2) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (3) under Section 174 of the GCL, or (4) for any transaction from which the director derived an improper personal benefit. Any amendment or repeal of this Article IX shall not adversely affect any right or protection of a director of the Corporation existing hereunder in respect of any act or omission occurring prior to such amendment or repeal. ARTICLE X AMENDMENT Except as may be expressly provided in this Certificate of Incorporation, the Corporation reserves the right at any time and from time to time to amend, alter, change or repeal any provision contained in this Certificate of Incorporation or a Preferred Stock Designation, and any other provisions authorized by the laws of the State of Delaware at the time in force may be added or inserted, in the manner now or hereafter prescribed herein or by applicable law, and all rights, preferences and privileges of whatsoever nature conferred upon stockholders, directors or any other persons whomsoever by and pursuant to this Certificate of Incorporation in its present form or as hereafter amended are granted subject to the right reserved in this Article X; provided, however, that any amendment or repeal of any provision of this Certificate of Incorporation shall not adversely affect any right or protection existing hereunder in respect of any act or omission occurring prior to such amendment or repeal; and provided further that no Preferred Stock Designation shall be amended after the issuance of any shares of the series of Preferred Stock created thereby, except in accordance with the terms of such Preferred Stock Designation and the requirements of applicable law. ARTICLE XI INCORPORATOR The name and mailing address of the incorporator is Sharon Beirdneau, 4675 MacArthur Court, Suite 710, Newport Beach, CA 92660. IN WITNESS WHEREOF, I, the undersigned, being the incorporator hereinbefore named, do hereby further certify that the facts hereinabove stated are truly set forth and, accordingly, I have hereunto set my hand this 6th day of October, 1998. s/Sharon Beirdneau ------------------------------ Sharon Beirdneau, Incorporator 5