1 Exhibit 3.1 CERTIFICATE OF AMENDMENT OF THE RESTATED ARTICLES OF INCORPORATION OF CISCO SYSTEMS, INC. A CALIFORNIA CORPORATION The undersigned, John T. Chambers and Larry R. Carter, hereby certify that: ONE: They are the duly elected and acting President and Secretary, respectively, of said corporation. TWO: The Restated Articles of Incorporation of said corporation, filed on January 7, 1998, shall be amended as set forth in this Certificate of Amendment. THREE: Section A of ARTICLE IV of the Restated Articles of Incorporation is amended to read in its entirety as follows: "(A) CLASSES OF STOCK. This corporation is authorized to issue two classes of stock to be designated, respectively, "Common Stock" and "Preferred Stock." The total number of shares that the corporation is authorized to issue is Two Billion Seven Hundred Five Million (2,705,000,000) shares. Two Billion Seven Hundred Million (2,700,000,000) shares shall be Common Stock, par value of $0.001, and Five Million (5,000,000) shares shall be Preferred Stock. As of September 15, 1998, every two (2) shares of Common Stock outstanding are split into three (3) shares of Common Stock." FOUR: The foregoing Certificate of Amendment has been duly approved by the Board of Directors of the Corporation. FIVE: The foregoing Certificate of Amendment of the Restated Articles of Incorporation does not require shareholder approval pursuant to Section 902(c) of the General Corporation Law of the State of California. No shares of Preferred Stock are outstanding. IN WITNESS WHEREOF, the undersigned have executed this Certificate of Amendment on August 19, 1998. ------------------------------ John T. Chambers President ------------------------------ Larry R. Carter Secretary The undersigned certify under penalty of perjury that they have read the foregoing Certificate of Amendment and know the contents thereof, and that the statements therein are true. Executed at San Jose, California, on August 19, 1998. ------------------------------ John T. Chambers ------------------------------ Larry R. Carter 2 2 RESTATED ARTICLES OF INCORPORATION OF CISCO SYSTEMS, INC., A CALIFORNIA CORPORATION The undersigned, John T. Chambers and Larry R. Carter, hereby certifies that: ONE: They are the duly elected and acting President and Secretary, respectively, of said corporation. TWO: The Restated Articles of Incorporation of said corporation shall be amended and restated in its entirety to read in full as follows: ARTICLE I The name of this corporation is Cisco Systems, Inc. ARTICLE II The purpose of this corporation is to engage in any lawful act or activity for which a corporation may be organized under the General Corporation Law of California other than the banking business, the trust company business or the practice of a profession permitted to be incorporated by the California Corporations Code. ARTICLE III The liability of the directors of the corporation for monetary damages shall be eliminated to the fullest extent permissible under California law. ARTICLE IV (A) CLASSES OF STOCK. This corporation is authorized to issue two classes of stock to be designated, respectively, "Common Stock" and "Preferred Stock." The total number of shares that the corporation is authorized to issue is Two Billion Four Hundred Five Million (2,405,000,000) shares. Two Billion Four Hundred Million (2,400,000,000) shares shall be Common Stock, par value of $0.001 and Five Million (5,000,000) shares shall be Preferred Stock. (B) RIGHTS, PREFERENCES AND RESTRICTIONS OF PREFERRED STOCK. The Preferred Stock authorized by these Restated Articles of Incorporation may be issued from time to time in series. The Board of Directors is hereby authorized to fix or alter the rights, preferences, privileges and restrictions granted to or imposed upon series of Preferred Stock, 3 and the number of shares constituting any such series and the designation thereof, or of any of them. Subject to compliance with applicable protective voting rights that have been or may be granted to the Preferred Stock or any series thereof in any Certificate of Determination or the corporation's Articles of Incorporation ("Protective Provisions"), but notwithstanding any other rights of the Preferred Stock or any series thereof, the rights, privileges, preferences and restrictions of any such additional series may be subordinated to, pari passu with (including, without limitation, inclusion in provisions with respect to liquidation and acquisition preferences, redemption and/or approval of matters by vote or written consent), or senior to any of those of any present or future class or series of Preferred Stock or Common Stock. Subject to compliance with applicable Protective Provisions, the Board of Directors also is authorized to increase or decrease the number of shares of any series prior or subsequent to the issue of that series, but not below the number of shares of such series then outstanding. In case the number of shares of any series shall be so decreased, the shares constituting such decrease shall resume the status which they had prior to the adoption of the resolution originally fixing the number of shares of such series. 1. REPURCHASE OF SHARES. In connection with repurchases by this corporation of its Common Stock pursuant to its agreements with certain of the holders thereof, Sections 502 and 503 of the California General Corporation Law shall not apply in whole or in part with respect to such repurchases. (C) COMMON STOCK. 1. DIVIDEND RIGHTS. Subject to the prior rights of holders of all classes of stock at the time outstanding having prior rights as to dividends, the holders of the Common Stock shall be entitled to receive, when and as declared by the Board of Directors, out of any assets of the corporation legally available therefor, such dividends as may be declared from time to time by the Board of Directors. 2. LIQUIDATION RIGHTS. Subject to the prior rights of holders of all classes of stock at the time outstanding having prior rights as to liquidation, upon the liquidation, dissolution or winding up of the corporation, the assets of the corporation shall be distributed to the holders of the Common Stock. 3. REDEMPTION. The Common Stock is not redeemable. 4. VOTING RIGHTS. The holder of each share of Common Stock shall have the right to one vote, and shall be entitled to notice of any shareholders' meeting in accordance with the Bylaws of this corporation, and shall be entitled to vote upon such matters and in such manner as may be provided by law. 4 ARTICLE V (A) The liability of the directors of the corporation for monetary damages shall be eliminated to the fullest extent permissible under California law. (B) The corporation is authorized to provide indemnification of agents (as defined in Section 317 of the California Corporations Code) through bylaw provisions, agreements with agents, vote of shareholders or disinterested directors or otherwise, in excess of the indemnification otherwise permitted by Section 317 of the California Corporations Code, subject only to applicable limits set forth in Section 204 of the California Corporations Code with respect to actions for breach of duty to the corporation and its shareholders. ARTICLE VI Shareholders of this corporation shall not be entitled to cumulate their votes at any election of directors of this corporation. The corporation's common stock is qualified for trading on the Nasdaq National Market and there were at least 800 holders of its equity securities as of the record date of the most recent annual shareholders meeting. THREE: The foregoing restatement of the Restated Articles of Incorporation, as amended, has been duly approved by the Board of Directors of said corporation and does not require shareholder approval pursuant to section 910(b) of the California Corporations Code. IN WITNESS WHEREOF, the undersigned have executed these Restated Articles of Incorporation on the _____ of December 1997. ------------------------------------ John T. Chambers, President ------------------------------------ Larry R. Carter, Secretary 3. 5 The undersigned certifies under penalty of perjury that they have read the foregoing Restated Articles of Incorporation and know the contents thereof, and that the statements therein are true. Executed at San Jose, California, on December ____, 1997. ------------------------------------ John T. Chambers ------------------------------------ Larry R. Carter 4. 6 CERTIFICATE OF DETERMINATION of SERIES A JUNIOR PARTICIPATING PREFERRED STOCK of CISCO SYSTEMS, INC. (Pursuant to Section 401 of the California General Corporation Law) ---------------------------------- John T. Chambers, President and Chief Executive Officer, and David Rogan, Vice President, Treasurer and Assistant Secretary of Cisco Systems, Inc., a corporation organized and existing under the General Corporation Law of the State of California (hereinafter called the "Corporation"), do hereby certify that the following resolution was adopted by the Board of Directors of the Corporation as required by Section 401 of the General Corporation Law at a meeting duly called and held on June 8, 1998 creating a series of 1,200,000 shares of Preferred Stock designated as Series A Junior Participating Preferred Stock of which none has been issued: RESOLVED, that pursuant to the authority granted to and vested in the Board of Directors of the Corporation (hereinafter called the "Board of Directors" or the "Board") in accordance with the provisions of the Articles of Incorporation, the Board of Directors hereby creates a series of Preferred Stock, no par value (the "Preferred Stock"), of the Corporation and hereby states the designation and number of shares, and fixes the relative rights, preferences, and limitations thereof as follows: Series A Junior Participating Preferred Stock: Section 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 one million two hundred thousand (1,200,000). 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. 1 7 Section 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, each holder of a share of Series A Preferred Stock, in preference to the holders of shares of Common Stock, par value $.001 per share (the "Common Stock"), of the Corporation, and of any other junior stock, shall be entitled to receive, when declared by the Board of Directors out of funds legally available for the purpose, quarterly dividends payable in cash on the last 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 Series A Preferred Stock, in an amount per share (rounded to the nearest cent) equal to, subject to the provision for adjustment hereinafter set forth, Ten Thousand (10,000) times the aggregate per share amount of all cash dividends, and Ten Thousand (10,000) 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 a share or fraction 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 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 shares of Series A Preferred Stock as provided in paragraph (A) of this Section immediately after it declares a dividend or distribution on the Common Stock (other than a dividend payable in shares of Common Stock); provided, however, that, in the event no dividend or distribution shall have been declared on the Common Stock during the period between any Quarterly Distribution Date and the next subsequent Quarterly Dividend Payment Date, a dividend of $.000001 per share of 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 each outstanding 2 8 share of Series A Preferred Stock from the Quarterly Dividend Payment Date next preceding the date of issue of such share of Series A Preferred Stock, unless the date of issue of such share is prior to the record date for the first Quarterly Dividend Payment Date, in which case dividends on such share shall begin to accrue from the date of issue of such share, 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. Section 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 Ten Thousand (10,000) votes on all matters submitted to a vote of the shareholders of the Corporation. 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 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 Determination 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 shareholders of the Corporation. (C) Except as set forth herein, or as otherwise provided by law, holders of 3 9 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. Section 4. Certain Restrictions. (A) Whenever quarterly dividends or other dividends or distributions payable on the Series A Preferred Stock as provided in Section 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 shares of 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 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 or classes. 4 10 (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 paragraph (A) of this Section 4, purchase or otherwise acquire such shares at such time and in such manner. Section 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, in the Articles of Incorporation, or in any other Certificate of Determination creating a series of Preferred Stock or any similar stock or as otherwise required by law. Section 6. Liquidation, Dissolution or Winding Up. (A) 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 Ten Thousand Dollars ($10,000) per share, plus an amount equal to accrued and unpaid 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 be entitled to receive an aggregate amount per share, subject to the provision for adjustment hereinafter set forth, equal to 10,000 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. (B) In the event, however, that there are not sufficient assets available to permit payment in full to the Series A Liquidation Preference and the liquidation preferences of all other series of Preferred Stock, if any, which rank on a parity with the Series A Preferred Stock, then such remaining assets shall be distributed ratably to the holders of such 5 11 parity shares in proportion to their respective liquidation preferences. In the event, however, that there are not sufficient assets available to permit payment in full of the Common Adjustment, then such remaining assets shall be distributed ratably to the holders of Common Stock. 6 12 (C) In the event the Corporation shall at any time after the Rights Declaration Date (i) declare any dividend on Common Stock payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock, or (iii) combine the outstanding Common Stock into a smaller number of shares, then in each such case the Adjustment Number in effect immediately prior to such event shall be adjusted by multiplying such Adjustment 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. Section 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 Ten Thousand (10,000) 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 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 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 immediately prior to such event. Section 8. No Redemption. The shares of Series A Preferred Stock shall not be redeemable. Section 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. Section 10. Amendment. The Restated Articles 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 a majority of the outstanding shares of Series A Preferred Stock, voting together as a single class. 7 13 The undersigned certify under penalty of perjury that they have read the foregoing Certificate of Determination and know the contents thereof, and that the statements therein are true. Executed at San Jose, California, on June 10, 1998. ----------------------------------------- Name: Title: ----------------------------------------- Name: Title: 8