Bylaws of Adaptec As Restated February 9,1996

AMENDED AND RESTATED BYLAWS OF


ADAPTEC, INC.
(as of February 9, 1996)


ARTICLE I


CORPORATE OFFICES


1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices in such state, the board of directors shall fix and designate a principal business office in the State of California.


1.2 OTHER OFFICES. The board of directors may at any time establish branch or subordinate offices at any place or places where the corporation is qualified to do business.


ARTICLE II


MEETINGS OF SHAREHOLDERS


2.1 PLACE OF MEETINGS. Meetings of shareholders shall be held at any place within or any such the State of California designated by the board of directors. In the absence of any such designation, shareholders' meetings shall be held at the principal executive office of the corporation.


2.2 ANNUAL MEETING. The annual meeting of shareholders shall be held each year on a date and at a time designated by the board of directors. In the absence of such designation, the annual meeting of shareholders shall be held on the fourth Thursday of August in each year at 9:30 a.m. However, if such day falls on a legal holiday, then the meeting shall be held at the same time and place on the next succeeding full business day. At the meeting, directors shall be elected, and any other proper business may be transacted.


2.3 SPECIAL MEETING. A special meeting of the shareholders may be called at any time by the board of directors, the chairman of the board, the chief executive officer, the president, or by one or more shareholders holding shares in the aggregate entitled to cast not less than ten percent (10%) of the votes at that meeting.


If a special meeting is called by any person or persons other than the board of directors, the request shall be in writing, specifying the time of such meeting and the general nature of the business proposed to be transacted, and shall be delivered personally or sent by registered mail or


2 by telegraphic or other facsimile transmission to the chairman of the board, the chief executive officer, the president, the chief operating officer, any corporate vice president or the secretary of the corporation. The officer receiving the request shall cause notice to be promptly given to the shareholders entitled to vote, in accordance with the provisions of Sections 2.4 and 2.5 of these bylaws, that a meeting will be held at the time requested by the person or persons calling the meeting, not less than thirty-five (35) nor more than sixty (60) days after the receipt of the request. If the notice is not given within twenty (20) days after receipt of the request, the person or persons requesting the meeting may give the notice. Nothing contained in this paragraph of this Section 2.3 shall be construed as limiting, fixing or affecting the time when a meeting of shareholders called by action of the board of directors may be held.


2.4 NOTICE OF SHAREHOLDERS' MEETING. All notices of meetings of shareholders shall be sent or otherwise given in accordance with Section 2.5 of these bylaws not less than ten (10) (or, if sent by third-class mail pursuant to Section 2.5 of these bylaws, thirty (30)) nor more than sixty (60) days before the date of the meeting. The notice shall specify the place, date and hour of the meeting and (1) in the case of a special meeting, the general nature of the business to be transacted (no business other than that specified in the notice may be transacted) or (ii) in the case of the annual meeting, those matters which the board of directors, at the time of giving the notice, intends to present for action by the shareholders. The notice of any meeting at which directors are to be elected shall include the name of any nominee or nominees whom, at the time of the notice, management intends to present for election.


If action is proposed to be taken at any meeting for approval of (i) a contract or transaction in which a director has a direct or indirect financial interest, pursuant to Section 3 1 0 of the Corporations Code of California (the "Code"), (ii) an amendment of the articles of incorporation, pursuant to Section 902 of the Code, (iii) a reorganization of the corporation, pursuant to Section 1201 of the Code, (iv) a voluntary dissolution of the corporation, pursuant to Section 1900 of the Code, or (v) a distribution in dissolution other than in accordance with the rights of outstanding preferred shares, pursuant to Section 2007 of the Code, the notice shall also state the general nature of that proposal, provided, however, that such notice need not state the general nature of the proposal if the proposal is approved by the unanimous vote of those entitled to vote.


2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE.


Notice of any meeting of shareholders shall be given either
personally, by first-class mail, by third-class mail but only if the corporation has outstanding shares held of record by five hundred (500) or more persons (determined as provided in Section 605 of the Code) or telegraphic or other written communication, charges prepaid, addressed to the shareholder at the address of that shareholder appearing on the books of the corporation or given by the shareholder to the corporation for the purpose of notice. If no such address appears on the corporation's books or is given, notice shall be deemed to have been given if sent to that shareholder by first-class mail or telegraphic or other written communication to the corporation's principal executive office, or if published at least once in a newspaper of general circulation in the county where that


3 office is located. Notice shall be deemed to have been given at the time when delivered personally or deposited in the mail or sent by telegram or other means of written communication.


If any notice addressed to a shareholder at the address of that shareholder appearing on the books of the corporation is returned to the corporation by the United States Postal Service marked to indicate that the United States Postal Service is unable to deliver the notice to the shareholder at that address, all fixture notices or reports shall be deemed to have been duly given without further mailing if the same shall be available to the shareholder on written demand of the shareholder at the principal executive office of the corporation for a period one (1) year from the date of the giving of the notice.


An affidavit of the mailing or other means of giving any notice of any shareholders' meeting, executed by the secretary, assistant secretary or any transfer agent of the corporation giving the notice, shall be prima facie evidence of the giving of such notice.


2.6 QUORUM. The presence in person or by proxy of the holders of a majority of the shares entitled to vote thereat constitutes a quorum for the transaction of business at all meetings of shareholders. The shareholders present at a duly called or held meeting at which a quorum is present may continue to do business until adjournment, notwithstanding the withdrawal of enough shareholders to leave less than a quorum, if any action taken (other than adjournment)is approved by at least a majority of the shares required to constitute a quorum.


2.7 ADJOURNED MEETING, NOTICE. Any shareholders' meeting, annual or special, whether or not a quorum is present, may be adjourned from time to time by the vote of the majority of the shares represented at that meeting, either in person or by proxy, but in the absence of a quorum, no other business may be transacted at that meeting, except as provided in Section 2.6 of these bylaws.


When any meeting of shareholders, either annual or special, is adjourned to another time or place, notice need not be given of the adjourned meeting if the time and place are announced at the meeting at which the adjournment is taken, unless a new record date for the adjourned meeting is fixed, or unless the adjournment is for more than forty-five (45) days from the date set for the original meeting, in which case notice of the adjourned meeting shall be given. Notice of any such adjourned meeting shall be given to each shareholder of record entitled to vote at the adjourned meeting in accordance with the provisions of Sections 2.4 and 2.5 of these bylaws. At any adjourned meeting the corporation may transact any business which might have been transacted at the original meeting.


2.8 VOTING. The shareholders entitled to vote at any meeting of shareholders shall be determined in accordance with the provisions of Section 2.11 of these bylaws, subject to the provisions of Sections 702 to 704, inclusive, of the Code (relating to voting shares held by a fiduciary, in the name of a corporation or in joint ownership).


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The shareholders' vote may be by voice vote or by ballot; provided, however, that any election for directors must be by ballot if demanded by any shareholder before the voting has begun-


On any matter other than the election of directors, any shareholder may vote part of the shares in favor of the proposal and refrain from voting the remaining shares or vote them against the proposal, but, if the shareholder falls to specify the number of shares which the shareholder is voting affirmatively, it will be conclusively presumed that the shareholder's approving vote is with respect to all shares which the shareholder is entitled to vote.


If a quorum is present, the affirmative vote of the majority of the shares represented and voting at a duly-held meeting (which shares voting affirmatively also constitute at least a majority of the required quorum) shall be the act of the shareholders, unless the vote of a greater number, or voting, by classes, is required by the Code or by the articles of incorporation.


At a shareholders' meeting at which directors are to be elected, no shareholder shall be entitled to cumulate votes (i.e., cast for any candidate a number of votes greater than the number of votes which such shareholder normally is entitled to cast) unless the candidates' names have been placed in nomination prior to commencement of the voting and a shareholder has given notice prior to commencement of the voting of the shareholder's intention to cumulate votes. If any shareholder has given such a notice, then every shareholder entitled to vote may cumulate votes for candidates placed in nomination and give one candidate a number of votes equal to the number of directors to be elected multiplied by the number of votes to which that shareholder's shares are entitled, or distribute the shareholder's votes on the same principle among any or all of the candidates, as the shareholder thinks fit. The candidates receiving the highest number of votes, up to the number of directors to be elected, shall be elected.


2.9 VALIDATION OF MEETING: WAIVER OF NOTICE; CONSENT. The transactions of any meeting of shareholders, either annual or special, however called and noticed, and wherever held, shall be as valid as though had at a meeting duly held after regular call and notice, if a quorum be present either in person or by proxy, and if, either before or after the meeting, each person entitled to vote, who was not present in person or by proxy, signs a written waiver of notice of a consent to the holding of the meeting or an approval of the minutes thereof. The waiver of notice or consent need not specify either the business to be transacted or the purpose of any annual or special meeting of shareholders, except that if action is taken or proposed to be taken for approval of any of those matters specified in the second paragraph of Section 2.4 of these bylaws, the waiver of notice or consent shall state the general nature of the proposal. All such waivers, consents and approvals shall be filed with the corporate records or made a part of the minutes of the meeting.


Attendance by a person at a meeting shall also constitute a waiver of notice of that meeting, except when the person objects, at the beginning of the meeting, to the transaction of any business because the meeting Is not lawfully called or convened, and except that attendance at a meeting is not a waiver of any right to object to the consideration of a matter not included in the notice of the meeting, if that objection is expressly made at the meeting.


5 2.10 SHAREHOLDER ACTION BY WRITTEN CONSENT WITHOUT A MEETING. Any action which may be taken at any annual or special meeting of shareholders may be taken without a meeting and without prior notice, if a consent in writing, setting forth the action so taken, is signed by the holders of outstanding shares having not less than the minimum number of votes that would be necessary to authorize or take that action at a meeting at which all shares entitled to vote on that action were present and voted.


In the case of election of directors, such a consent shall be effective only if signed by the holders of all outstanding shares entitled to vote for the election of directors.


All such consents shall be maintained in the corporate records. Any shareholder giving a written consent, or the shareholder's proxy holders, or a transferee of the shares, or a personal representative of the shareholder, or their respective proxy holders, may revoke the consent by a writing received by the secretary of the corporation before written consents of the number of shares required to authorize the proposed action have been filed with the secretary.


If the consents of all shareholders entitled to vote have not been solicited in writing, and if the unanimous written consent of all such shareholders shall not have been received, the secretary shall give prompt notice of the corporate action approved by the shareholders without a meeting. Such notice shall be given in the manner specified in Section 2.5 of these bylaws. In the case of approval of (i) a contract or transaction in which a director has a direct or indirect financial interest, pursuant to Section 310 of the Code, (ii) indemnification of a corporate "agent" pursuant to Section 317 of the Code, (iii) a reorganization of the corporation, pursuant to Section 1201 of the Code, and (iv) a distribution in dissolution other than in accordance with the rights of outstanding preferred shares, pursuant to Section 2007 of the Code, the notice shall be given at least ten (10) days before the consummation of any action authorized by that approval.


2.11 RECORD DATE FOR SHAREHOLDER NOTICE, VOTING AND GIVING CONSENTS. For purposes of determining the shareholders entitled to notice of any meeting or to vote thereat or entitled to give consent to corporate action without a meeting, the board of directors may fix, in advance, a record date, which shall not be more than sixty (60) days nor less than ten (10) days before the date of any such meeting nor more than sixty (60) days before any such action without a meeting, and in such event only shareholders of record on the date so fixed are entitled to notice and to vote or to give consents, as the case may be, notwithstanding any transfer of any shares on the books of the corporation after the record date, except as otherwise provided in the Code.


If the board of directors does not so fix a record date:


(a) the record date for determining shareholders entitled to notice of or to vote at a meeting of shareholders shall be at the close of business on the business day next preceding the day on which notice is given or, if notice is waived, at the close of business on the business day next preceding the day on which the meeting is held; and (b) the record date for determining shareholders entitled to give consent to corporate action in writing without a meeting, (1) when


6 no prior action by the board has been taken, shall be the day on which the first written consent is given or (ii) when prior action by the board has been taken, shall be the day on which the board adopts the resolution relating to that action, or the sixtieth (60th) day before the date of such other action, whichever is later.


The record date for any other purpose shall be as provided in Article VIII of these bylaws.


2.12 PROXIES. Every person entitled to vote for directors, or on any other matter, shall have the right to do so either in person or by one or more agents authorized by a written proxy signed by the person and filed with the secretary of the corporation. A proxy shall be deemed signed if the shareholder's name is placed on the proxy (whether by manual signature, typewriting, telegraphic transmission or otherwise) by the shareholder or the shareholder's attorney-in-fact. A validly executed proxy which does not state that it is `irrevocable shall continue in full force and effect unless (1) revoked by the person executing it, before the vote pursuant to that proxy, by a writing delivered to the corporation stating that the proxy is revoked, or by a subsequent proxy executed by the person executing the prior proxy and presented to the meeting, or as to any meeting by attendance at such meeting and voting in person by the person executing the proxy or (ii) written notice of the death or incapacity of the maker of that proxy is received by the corporation before the vote pursuant to that proxy is counted, provided, however, that no proxy shall be valid after the expiration of eleven (11) months from the date of the proxy, unless otherwise provided in the proxy. The revocability of a proxy that states on its face that it is irrevocable shall be governed by the provisions of Sections 705(e) and 705(f) of the Code.


2.13 INSPECTORS OF ELECTION. Before any meeting of shareholders, the board of directors may appoint an inspector or inspectors of election to act at the meeting or its adjournment. If no inspector of election is so appointed, the chairman of the meeting may, and on the request of any shareholder or a shareholder's proxy shall, appoint an inspector or inspectors of election to act at the meeting. The number of inspectors shall be either one (1) or three (3). If inspectors are appointed at a meeting pursuant to the request of one (1) or more shareholders or proxies, the holders of a majority of shares or their proxies present at the meeting shall determine whether one (1) or three (3) inspectors are to be appointed. If any person appointed as inspector fails to appear or fails or refuses to act, the chairman of the meeting may, and upon the request of any shareholder or a shareholder's proxy shall, appoint a person to fill that vacancy.


Such inspectors shall:


(a) Determine the number of shares outstanding and the voting power of each, the number of shares represented at the meeting, the existence of a quorum, and the authenticity, validity and effect of proxies;


(b) Receive votes, ballots or consents;


(c) Hear and determine all challenges and questions in any way arising in connection with the night to vote;


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(d) Count and tabulate all votes or consents;


(e) Determine when the polls shall close;


Determine the result; and


Do any other acts that may be proper to conduct the election or vote with fairness to all shareholders.


2.14 ADVANCE NOTICE OF SHAREHOLDER NOMINATIONS. Nominations of persons for election to the board of directors of the corporation may be made at a meeting of shareholders by or at the direction of the board of directors or by any shareholder of the corporation entitled to vote in the election of directors at the meeting who complies with the notice procedures set forth in this Section. Such nominations, other than those made by or at the direction of the board of directors, shall be made pursuant to timely notice in writing to the Secretary of the corporation. To be timely, a shareholders notice shall be delivered to or mailed and received at the principal executive offices of the corporation not less than twenty (20) days nor more than sixty (60) days prior to the meeting; provided, however, that in the event less than thirty (30) days notice or prior public disclosure of the date of the meeting is given or made to shareholders, notice by the shareholder to be timely must be so received not later than the close of business on the tenth day following the day on which such notice of the date of the meeting was mailed or such public disclosure was made. Such shareholder's notice shall set forth (a) as to each person, if any, whom the shareholder proposes to nominate for election or re-election as a director: (1) the name, age, business address and residence address of such person, (ii) the principal occupation or employment of such person, (iii) the class and number of shares of the corporation which are beneficially owned by such person, (iv) any other information relating to such person that is required by law to be disclosed in solicitations of proxies that is required by taw to be disclosed in solicitations of proxies for election of directors, and (v) such person's written consent to being named as a nominee and to serving as a director if elected; and (b) as to the shareholder giving the notice: (i) the name and address, as they appear on the corporation's books, of such shareholder, and (ii) the class and number of shares of the corporation which are beneficially owned by such shareholder, and (iii) a description of all arrangements or understandings between such shareholder and each nominee and any other person or persons (naming such person or persons) relating to the nomination. At the request of the board of directors any person nominated by the board of directors for election as a director shall furnish to the Secretary of the corporation that information required to be set forth in the shareholder's notice of nomination which pertains to the nominee. No person shall be eligible for election as a director of the corporation unless nominated in accordance with the procedures set forth in this Section. The chairman of the meeting shall, if the facts warrant, determine and declare at the meeting that a nomination was not made in accordance with the procedures prescribed by these bylaws, and if he should so determine, he shall so declare at the meeting and the defective nomination shall be disregarded.


2.15 ADVANCE NOTICE OF SHAREHOLDER BUSINESS. At the annual meeting of the shareholders, only such business shall be conducted as shall have been property brought before


8 the meeting. To be properly brought before an annual meeting, business must be: (a) as specified in the notice of meeting (or any supplement thereto) given by or at the direction of the board of directors, (b) otherwise properly brought before the meeting by or at the direction of the board of directors, or (c) otherwise properly brought before the meeting by a shareholder. Business to be brought before the meeting by a shareholder shall not be considered properly brought if the shareholder has not given timely notice thereof in writing to the Secretary of the corporation. To be timely, a shareholder's notice must be delivered to or mailed an received at the principal executive officers of the corporation not less than twenty (20) nor more than sixty (60) days prior to the meeting; provided, however, that in the event that less than thirty (30) days notice or prior public disclosure of the date of the meeting is given or made to shareholders, notice by the shareholder to be timely must be so received not later than the close of business on the tenth day following the day on which such notice of the date of the annual meeting was mailed or such public disclosure was made. A shareholder's notice to the Secretary shall set forth as to each matter the shareholder proposes to bring before the annual meeting: (1) a brief description of the business desired to be brought before the annual meeting and the reasons for conducting such business at the annual meeting, (11) the name and address of the shareholder proposing such business, (iii) the class and number of shares of the corporation, which are beneficially owned by the shareholder, (iv) any material interest of the shareholder in such business, and (v) any other information that is required by law to be provided by the shareholder in his capacity as proponent of a shareholder proposal. Notwithstanding anything in these bylaws to the contrary, no business shall be conducted at any annual meeting except in accordance with the procedures set forth in this Section. The chairman of the annual meeting shall, if the facts warrant, determine and declare at the meeting that business was not properly brought before the meeting and in accordance with the provisions of this Section, and, if he should so determine, he shall so declare at the meeting that any such business not properly brought before the meeting shall not be transacted.


ARTICLE III
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