Exhibit 3.1 RESTATED CERTIFICATE OF INCORPORATION OF W. R. GRACE & CO. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE * * * * * * * The undersigned, Larry Ellberger, certifies that he is the Senior Vice President and Chief Financial Officer of W. R. Grace & Co., and does hereby further certify as follows: 1. The name of the corporation (the "Corporation") is "W. R. Grace & Co." 2. The original Certificate of Incorporation was filed with the Secretary of State of the State of Delaware on August 6, 1997, under the name Grace Specialty Chemicals, Inc. 3. This Restated Certificate of Incorporation has been duly proposed by resolutions adopted and declared advisable by the Board of Directors of the Corporation and duly executed by an officer of the Corporation in accordance with the provisions of Sections 103 and 245 of the General Corporation Law of the State of Delaware and, upon filing with the Secretary of State in accordance with Section 103, shall supersede the original Certificate of Incorporation and shall, as it may thereafter be amended in accordance with its terms and applicable law, be the Certificate of Incorporation of the Corporation. 4. The text of the Certificate of Incorporation of the Corporation is hereby restated to read in its entirety as follows: ARTICLE I The name of the corporation (the "Corporation") is: W. R. Grace & Co. ARTICLE II The address of the Corporation's registered office in the State of Delaware is The Prentice-Hall Corporation System, Inc., 1013 Centre Road, Wilmington, Delaware, County of New Castle. The name of the Corporation's registered agent at such address is The Prentice-Hall Corporation System, Inc. ARTICLE III 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 (a) The total number of shares of stock which the Corporation shall have authority to issue is Three Hundred and Fifty-Three Million (353,000,000), consisting of Fifty-Three Million (53,000,000) shares of Preferred Stock, par value $.01 per share (the "Preferred Stock"), and Three Hundred Million (300,000,000) shares of Common Stock, par value $.01 per share (the "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 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. -2- (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 Restated 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 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. -3- (e) There shall be designated a series of the Corporation's Preferred Stock, as follows: (1) Designation and Amount. The shares of such series shall be designated as "Series A Junior Participating Preferred Stock" (the "Series A Preferred Stock") and the number of shares constituting the Series A Preferred Stock shall be 3,000,000. Such number of shares may be increased or decreased by resolution of the Board of Directors; provided, that no decrease shall reduce the number of shares of Series A Preferred Stock to a number less than the number of shares then outstanding plus the number of shares reserved for issuance upon the exercise of outstanding options, rights or warrants or upon the conversion of any outstanding securities issued by the Corporation convertible into Series A Preferred Stock. (2) Dividends and Distributions. (a) Subject to the rights of the holders of any shares of any series of Preferred Stock (or any similar stock) ranking prior and superior to the Series A Preferred Stock with respect to dividends, the holders of shares of Series A Preferred Stock, in preference to the holders of Common Stock, and of any other junior stock, shall be entitled to receive, when, as and if declared by the Board of Directors out of funds legally available for the purpose, quarterly dividends payable in cash on the first day of March, June, September and December in each year (each such date being referred to herein as a "Quarterly Dividend Payment Date"), commencing on the first Quarterly Dividend Payment Date after the first issuance of a share or fraction of a share of Series A Preferred Stock, in an amount per share (rounded to the nearest cent) equal to the greater of (a) $1 or (b) subject to the provision for adjustment hereinafter set forth, 100 times the aggregate per share amount of all cash dividends, and 100 times the aggregate per share amount (payable in kind) of all non-cash dividends or other distributions, other than a dividend payable in shares of Common Stock or a subdivision of the outstanding shares of Common Stock (by reclassification or otherwise), declared on the Common Stock since the immediately preceding Quarterly Dividend Payment Date or, with respect to the first Quarterly Dividend Payment Date, since the first issuance of any share of a fraction of a share of Series A Preferred Stock. In the event the Corporation shall at any time declare or pay any dividend on the Common Stock payable in shares of Common Stock, or effect a subdivision or combination or consolidation of the outstanding shares of Common Stock (by reclassification or otherwise than by payment of a dividend in shares of Common Stock) into a greater or lesser number of shares of Common Stock, then in each such case the amount to which holders of shares -4- of Series A Preferred Stock were entitled immediately prior to such event under clause (b) of the preceding sentence shall be adjusted by multiplying such amount by a fraction, the numerator of which is the number of shares of Common Stock outstanding immediately after such event and the denominator of which is the number of shares of Common Stock that were outstanding immediately prior to such event. (b) The Corporation shall declare a dividend or distribution on the Series A Preferred Stock as provided in subparagraph (a) of this paragraph (2) immediately after it declares a dividend or distribution on the Common Stock (other than a dividend payable in shares of Common Stock); provided that, in the event no dividend or distribution shall have been declared on the Common Stock during the period between any Quarterly Dividend Payment Date and the next subsequent Quarterly Dividend Payment Date, a dividend of $1 per share on the Series A Preferred Stock shall nevertheless be payable on such subsequent Quarterly Dividend Payment Date. (c) Dividends shall begin to accrue and be cumulative on outstanding shares of Series A Preferred Stock from the Quarterly Dividend Payment Date next preceding the date of issue of such shares, unless the date of issue of such shares is prior to the record date for the first Quarterly Dividend Payment Date, in which case dividends on such shares shall begin to accrue from the date of issue of such shares, or unless the date of issue is a Quarterly Dividend Payment Date or is a date after the record date for the determination of holders of shares of Series A Preferred Stock entitled to receive a quarterly dividend and before such Quarterly Dividend Payment Date, in either of which events such dividends shall begin to accrue and be cumulative from such Quarterly Dividend Payment Date. Accrued but unpaid dividends shall not bear interest. Dividends paid on the shares of Series A Preferred Stock in an amount less than the total amount of such dividends at the time accrued and payable on such shares shall be allocated pro rata on a share-by-share basis among all such shares at the time outstanding. The Board of Directors may fix a record date for the determination of holders of shares of Series A Preferred Stock entitled to receive payment of a dividend or distribution declared thereon, which record date shall be not more than 60 days prior to the date fixed for the payment thereof. (3) Voting Rights. The holders of shares of Series A Preferred Stock shall have the following voting rights: (a) Subject to the provision for adjustment hereinafter set forth, each share of Series A Preferred Stock shall entitle the holder thereof to 100 votes on all matters submitted to a vote of the stockholders of the Corporation. In the -5- event the Corporation shall at any time declare or pay any dividend on the Common Stock payable in shares of Common Stock, or effect a subdivision or combination or consolidation of the outstanding shares of Common Stock (by reclassification or otherwise than by payment of a dividend in shares of Common Stock) into a greater or lesser number of shares of Common Stock, then in each such case the number of votes per share to which holders of shares of Series A Preferred Stock were entitled immediately prior to such event shall be adjusted by multiplying such number by a fraction, the numerator of which is the number of shares of Common Stock outstanding immediately after such event and the denominator of which is the number of shares of Common Stock that were outstanding immediately prior to such event. (b) Except as otherwise provided herein, in any other certificate of designations creating a series of Preferred Stock or any similar stock, or by law, the holders of shares of Series A Preferred Stock and the holders of shares of Common Stock and any other capital stock of the Corporation having general voting rights shall vote together as one class on all matters submitted to a vote of stockholders of the Corporation. (c) Except as set forth herein, or as otherwise provided by law, holders of Series A Preferred Stock shall have no special voting rights and their consent shall not be required (except to the extent they are entitled to vote with holders of Common Stock as set forth herein) for taking any corporate action. (4) Certain Restrictions. (a) Whenever quarterly dividends or other dividends or distributions payable on the Series A Preferred Stock as provided in paragraph (2) are in arrears, thereafter and until all accrued and unpaid dividends and distributions, whether or not declared, on shares of Series A Preferred Stock outstanding shall have been paid in full, the Corporation shall not: (i)declare or pay dividends, or make any other distributions, on any shares of stock ranking junior (either as to dividends or upon liquidation, dissolution or winding up) to the Series A Preferred Stock; (ii) declare or pay dividends, or make any other distributions, on any shares of stock ranking on a parity (either as to dividends or upon liquidation, dissolution or winding up) with the Series A Preferred Stock, except dividends paid ratably on the Series A Preferred Stock, and all such parity stock on which dividends are payable or in arrears in proportion to the total amounts to which the holders of all such shares are -6- then entitled; (iii) redeem or purchase or otherwise acquire for consideration shares of any stock ranking junior (either as to dividends or upon liquidation, dissolution or winding up) to the Series A Preferred Stock, provided that the Corporation may at any time redeem, purchase or otherwise acquire shares of any such junior stock in exchange for shares of any stock of the Corporation ranking junior (either as to dividends or upon dissolution, liquidation or winding up) to the Series A Preferred Stock; or (iv) redeem or purchase or otherwise acquire for consideration any shares of Series A Preferred Stock, or any shares of stock ranking on a parity with the Series A Preferred Stock, except in accordance with a purchase offer made in writing or by publication (as determined by the Board of Directors) to all holders of such shares upon such terms as the Board of Directors, after consideration of the respective annual dividend rates and other relative rights and preferences of the respective series and classes, shall determine in good faith will result in fair and equitable treatment among the respective series of classes. (b) The Corporation shall not permit any subsidiary of the Corporation to purchase or otherwise acquire for consideration any shares of stock of the Corporation unless the Corporation could, under subparagraph (a) of this paragraph (4), purchase or otherwise acquire such shares at such time and in such manner. (5) Reacquired Shares. Any shares of Series A Preferred Stock purchased or otherwise acquired by the Corporation in any manner whatsoever shall be retired and cancelled promptly after the acquisition thereof. All such shares shall upon their cancellation become authorized but unissued shares of Preferred Stock and may be reissued as part of a new series of Preferred Stock subject to the conditions and restrictions on issuance set forth herein, or in any other certificate of designations creating a series of Preferred Stock or any similar stock or as otherwise required by law. (6) Liquidation, Dissolution or Winding Up. Upon any liquidation, dissolution or winding up of the Corporation, no distribution shall be made (1) to the holders of shares of stock ranking junior (either as to dividends or upon liquidation, dissolution or winding up) to the Series A Preferred Stock unless, prior thereto, the holders of shares of Series A Preferred Stock shall have received $100 per share, plus an amount equal to all accrued and unpaid -7- dividends and distributions thereon, whether or not declared, to the date of such payment, provided that the holders of shares of Series A Preferred Stock shall also be entitled to receive an aggregate amount per share, subject to the provision for adjustment hereinafter set forth, equal to 100 times the aggregate amount to be distributed per share to holders of shares of Common Stock, or (2) to the holders of shares of stock ranking on a parity (either as to dividends or upon liquidation, dissolution or winding up) with the Series A Preferred Stock, except distributions made ratably on the Series A Preferred Stock and all such parity stock in proportion to the total amounts to which the holders of all such shares are entitled upon such liquidation, dissolution or winding up. In the event the Corporation shall at any time declare or pay any dividend on the Common Stock payable in shares of Common Stock, or effect a subdivision or combination or consolidation of the outstanding shares of Common Stock (by reclassification or otherwise than by payment of a dividend in shares of Common Stock) into a greater or lesser number of shares of Common Stock, then in each such case the aggregate amount to which holders of shares of Series A Preferred Stock were entitled immediately prior to such event under the proviso in clause (1) of the preceding sentence shall be adjusted by multiplying such amount by a fraction, the numerator of which is the number of shares of Common Stock outstanding immediately after such event and the denominator of which is the number of shares of Common Stock that were outstanding immediately prior to such event. (7) Consolidation, Merger, etc. In case the Corporation shall enter into any consolidation, merger, combination or other transaction in which the shares of Common Stock are exchanged for or changed into other stock or securities, cash and/or any other property, then in any such case each share of Series A Preferred Stock shall at the same time be similarly exchanged or changed into an amount per share, subject to the provision for adjustment hereinafter set forth, equal to 100 times the aggregate amount of stock, securities, cash and/or any other property (payable in kind), as the case may be, into which or for which each share of Common Stock is changed or exchanged. In the event the Corporation shall at any time declare or pay any dividend on the Common Stock payable in shares of Common Stock, or effect a subdivision or combination or consolidation of the outstanding shares of Common Stock (by re-classification or otherwise than by payment of a dividend in shares of Common Stock) into a greater or lesser number of shares of Common Stock, then in each such case the amount set forth in the preceding sentence with respect to the exchange or change of shares of Series A Preferred Stock shall be adjusted by multiplying such amount by a fraction, the numerator of which is the number of shares of Common Stock outstanding immediately after such event and the denominator of which is the number of shares of Common Stock that were outstanding -8- immediately prior to such event. (8) No Redemption. The shares of Series A Preferred Stock shall not be redeemable. (9) Rank. The Series A Preferred Stock shall rank, with respect to the payment of dividends and the distribution of assets, junior to all series of any other class of the Corporation's Preferred Stock. (10) Amendment. This Restated Certificate of Incorporation of the Corporation shall not be amended in any manner which would materially alter or change the powers, preferences or special rights of the Series A Preferred Stock so as to affect them adversely without the affirmative vote of the holders of at least two-thirds of the outstanding shares of Series A Preferred Stock, voting together as a single class. ARTICLE V The Board of Directors is hereby authorized to create and issue, whether or not in connection with the issuance and sale of any of its stock or other securities or property, rights entitling the holders thereof to purchase from the Corporation shares of stock or other securities of the Corporation or any other corporation. The times at which and the terms upon which such rights are to be issued will be determined by the Board of Directors and set forth in the contracts or instruments that evidence such rights. The authority of the Board of Directors with respect to such rights shall include, but not be limited to, determination of the following: (1) The initial purchase price per share or other unit of the stock or other securities or property to be purchased upon exercise of such rights. (2) Provisions relating to the times at which and the circumstances under which such rights may be exercised or sold or otherwise transferred, either together with or separately from, any other stock or other securities of the Corporation. (3) Provisions which adjust the number or exercise price of such rights or amount or nature of the stock or other securities or property receivable upon exercise of such rights in the event of a combination, split or recapitalization of any stock of the Corporation, a change in ownership of the Corporation's stock or other securities or a reorganization, merger, consolidation, sale of assets or other occurrence relating to the Corporation or any stock of the Corporation, and -9- provisions restricting the ability of the Corporation to enter into any such transaction absent an assumption by the other party or parties thereto of the obligations of the Corporation under such rights. (4) Provisions which deny the holder of a specified percentage of the outstanding stock or other securities of the Corporation the right to exercise such rights and/or cause the rights held by such holder to become void. (5) Provisions which permit the Corporation to redeem or exchange such rights. (6) The appointment of a rights agent with respect to such rights. ARTICLE VI 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, provided further that in the case of amendments by stockholders, the affirmative vote of the holders of at least 80 percent of the voting power of the then outstanding Voting Stock (as defined below), voting together as a single class, shall be required to alter, amend or repeal any provision of the By-laws; 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 Restated 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. Notwithstanding anything contained in this Restated Certificate of Incorporation to the contrary, the affirmative vote of the holders of at least 80 percent of the voting power of the then outstanding Voting Stock, voting together as a single class, shall be required to amend, repeal or -10- adopt any provision inconsistent with paragraph (1) of this Article VI. For the purposes of this Restated Certificate of Incorporation, "Voting Stock" shall mean the outstanding shares of capital stock of the Corporation entitled to vote generally in the election of directors. ARTICLE VII 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 Restated 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. Notwithstanding anything contained in this Restated Certificate of Incorporation to the contrary, the affirmative vote of at least 80 percent of the voting power of the then outstanding Voting Stock, voting together as a single class, shall be required to amend, repeal or adopt any provision inconsistent with this Article VII. ARTICLE VIII 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 Restated 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. The directors, other than those who may be elected by the holders of any series of Preferred Stock or any other series or class of stock as set forth in this Restated Certificate of Incorporation, shall be divided into three classes, as nearly equal in number as possible. One class of directors shall be initially elected for a term expiring at the annual meeting of stockholders to be held in 1999, another class shall be initially elected for a term expiring at the annual meeting of stockholders to be held in 2000, and another class shall be initially elected for a term expiring at the annual meeting of stockholders to be held in 2001. Members of each class shall hold office until their successors are elected and qualified. At each succeeding annual meeting of the stockholders of the Corporation, the successors of the class of directors whose term expires at that meeting shall be elected by a plurality vote of all votes cast at such -11- meeting to hold office for a term expiring at the annual meeting of stockholders held in the third year following the year of their election. 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 Restated 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. Notwithstanding anything contained in this Restated Certificate of Incorporation to the contrary, the affirmative vote of the holders of at least 80 percent of the voting power of the then outstanding Voting Stock, voting together as a single class, shall be required to amend, repeal or adopt any provision inconsistent with this Article VIII. ARTICLE IX 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 IX. Any amendment or repeal of this Article IX 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 X A director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for 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 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 -12- any transaction from which the director derived an improper personal benefit. Any amendment or repeal of this Article X 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 XI Except as may be expressly provided in this Restated 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 Restated 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 Restated Certificate of Incorporation in its present form or as hereafter amended are granted subject to the right reserved in this Article XI; provided, however, that any amendment or repeal of Article IX or Article X of this Restated 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. IN WITNESS WHEREOF, W. R. Grace & Co. has caused this Restated Certificate of Incorporation to be signed by its Senior Vice President this 3rd day of April, 1998. W. R. GRACE & CO. By: /s/ Larry Ellberger ----------------------------- Senior Vice President -13-