Document:

EXHIBIT B

Exhibit B

TUCOWS INC. STOCKHOLDER AGREEMENT

 

THIS STOCKHOLDER AGREEMENT ("Agreement"), dated as of March __, 2001, is by and between Infonautics, Inc., a Pennsylvania corporation ("Parent"), Tucows Inc., a Delaware corporation (the "Company") and the stockholder of the Company listed on the
signature page hereof (the "Stockholder").

WITNESSETH:

WHEREAS, the Stockholder, as of the date hereof, is the beneficial owner (as defined in Rule 13d-3(a) under the Securities Exchange Act of 1934, as amended) of the number and class of shares of capital stock ("Stock") of the Company set forth
below the name of the Stockholder on the signature page hereof (the "Shares"); 

WHEREAS, in reliance upon the execution and delivery of this Agreement, Parent and a wholly owned subsidiary of Parent ("Sub") will enter into an Agreement and Plan of Merger, dated as of the date hereof (the "Merger Agreement"), with the Company
which provides, among other things, that upon the terms and subject to the conditions thereof, Sub will be merged with and into the Company, and the Company will become a wholly owned subsidiary of Parent (the "Merger"); and

WHEREAS, to induce Parent to enter into the Merger Agreement and to incur the obligations set forth therein, the Stockholder is entering into this Agreement pursuant to which the Stockholder agrees to vote in favor of the Merger and the approval of
the Merger Agreement and, in the case of holders of the Company's Series A Convertible Preferred Stock, par value $.001 per share (the "Preferred Shares"), to convert the Preferred Shares into shares of the Company's common stock, par value $.001 per
share ("Common Stock"), and to make certain agreements with respect to the Shares upon the terms and conditions set forth herein;

NOW THEREFORE, in consideration of the foregoing and of the mutual covenants and agreements set forth herein and for other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties hereto agree as follows:

Section 1.Voting of Shares. The Stockholder agrees that until the earlier of (i) the Effective Time (as defined in the Merger Agreement) or (ii) the date on which the Merger Agreement is terminated pursuant to its
terms (the earliest thereof being hereinafter referred to as the "Expiration Date"), at every meeting of stockholders of the Company at which any of the following matters is considered or voted upon, and at every adjournment or postponement thereof, and
on every action or approval by written consent of the stockholders of the Company with respect thereto, the Stockholder shall vote, or cause the holder of record to vote, all Shares beneficially owned by the Stockholder as of the date of such vote or
consent, and which are entitled to vote as of the date of such vote or consent, (i) for adoption and approval of the Merger Agreement and in favor of the Merger and any other transaction contemplated by the Merger Agreement and (ii) against any
Acquisition Proposal (as defined below) other than the Merger. Any such vote shall be cast or consent shall be given in accordance with such procedures relating thereto as shall ensure that it is duly counted for purposes of determining that a quorum is
present and for purposes of recording the results of such vote or consent.

Section 2.Covenants of the Stockholder. The Stockholder covenants and agrees for the benefit of Parent that, until the Expiration Date, such Stockholder will:

(a)not, directly or indirectly, sell, transfer, pledge, hypothecate, encumber, assign, tender or otherwise dispose of, or enter into any contract, option or other arrangement or understanding with respect to the sale,
transfer, pledge, hypothecation, encumbrance, assignment, tender or other disposition of, any of the Shares beneficially owned by the Stockholder or any interest therein, provided that this restriction shall not apply to any sale, transfer, pledge,
hypothecation, encumbrance, assignment, tender or disposition (or contract, option, arrangement or understanding with respect thereto) to any person who agrees to be bound by the terms of this Agreement;

(b)not grant any powers of attorney or proxies or consents in respect of any of the Shares beneficially owned by the Stockholder, deposit any of such Shares into a voting trust, enter into a voting agreement with respect
to any of such Shares or otherwise restrict the ability of the holder of any of the Shares beneficially owned by the Stockholder freely to exercise all voting rights with respect thereto;

(c)not, and shall direct and cause the Stockholder's agents not to:

(i)initiate, solicit or seek, directly or indirectly, any inquiries or the making or implementation of any proposal or offer (including, without limitation, any proposal or offer to the Company's stockholders or any of
them) with respect to a merger, acquisition, consolidation, recapitalization, liquidation, dissolution or similar transaction involving, or any purchase of all or any substantial portion of the assets or any equity securities of, the Company (an
"Acquisition Proposal"); 

(ii)engage in any negotiations concerning an Acquisition Proposal, or provide any confidential information or data to, or have any substantive discussions with, any person relating to an Acquisition Proposal; or

(iii)otherwise cooperate in any effort or attempt to make, implement or accept an Acquisition Proposal;

(d)shall notify Parent immediately if any inquiries, proposals or offers related to an Acquisition Proposal are received by, any confidential information or data in connection with an Acquisition Proposal is requested
from, or any negotiations or discussions related to an Acquisition Proposal are sought to be initiated or continued with, the Stockholder, and shall immediately cease and terminate any existing activities, including discussions or negotiations with any
parties, conducted heretofore with respect to any of the foregoing and will take the necessary reasonable steps to inform his agents of the obligations undertaken in Section 2(c) above and this Section 2(d).

(e)take, or cause to be taken, all action, and do, or cause to be done, all reasonable things necessary or advisable in order to consummate and make effective the transactions contemplated by this Agreement.

Section 3.Representations and Warranties of the Stockholder. The Stockholder represents and warrants to Parent that: (a) the execution, delivery and performance by the Stockholder of this Agreement will not conflict
with, require a consent, waiver or approval under, or result in a breach of or default under, any of the terms of any contract, commitment or other obligation (written or oral) to which the Stockholder is a party or by which any of the Stockholder's
assets may be bound, and, if the Stockholder is a corporation or partnership, the organizational documents of such Stockholder; (b) this Agreement has been duly executed and delivered by the Stockholder and, if the Stockholder is a corporation or
partnership, has been duly authorized by all requisite corporate or partnership action of such Stockholder, as the case may be, and upon its execution and delivery by Parent, will constitute a legal, valid and binding obligation of the Stockholder,
enforceable against the Stockholder in accordance with its terms, except as enforceability may be limited by bankruptcy, insolvency, reorganization, moratorium or other similar laws affecting or relating to creditors' rights generally, and the
availability of injunctive relief and other equitable remedies; (c) the Stockholder is the sole owner of the Shares, and the Shares represent all shares of the Stock beneficially owned by the Stockholder at the date hereof, and the Stockholder does not
have any right to acquire, nor is the Stockholder the beneficial owner of, any other shares of Stock or any securities convertible into or exchangeable or exercisable for any shares of Stock (other than shares subject to options granted by the Company or
issuable upon conversion of the Shares); (d) the Stockholder has full right, power and authority to execute and deliver this Agreement and to perform the Stockholder's obligations hereunder; and (e) the Stockholder owns the Shares free and clear
of all liens, claims, pledges, charges, proxies, restrictions, encumbrances, proxies, voting trusts and voting agreements of any nature whatsoever other than as provided by this Agreement. The representations and warranties contained herein shall be made
as of the date hereof and as of each day from the date hereof through and including the Effective Time (as defined in the Merger Agreement). If the Stockholder is an officer or director of the Company, the Stockholder represents and acknowledges that the
Stockholder is executing this Agreement in such Stockholder's individual capacity, and not in his capacity as an officer or director of the Company.

Section 4.Adjustments; Additional Shares. In the event (a) of any stock dividend, stock split, merger (other than the Merger), recapitalization, reclassification, combination, exchange of shares or the like of the
capital stock of the Company on, of or affecting the Shares or (b) that the Stockholder shall become the beneficial owner of any additional shares of Stock or other securities entitling the holder thereof to vote or give consent with respect to the
matters set forth in Section 1 (including, without limitation, shares of Stock acquired upon the exercise of options), then the terms of this Agreement shall apply to the shares of capital stock or other instruments or documents held by the Stockholder
immediately following the effectiveness of the events described in clause (a) or the Stockholder becoming the beneficial owner thereof as described in clause (b), as though, in either case, they were Shares hereunder.

Section 5.Conversion of Preferred Shares. Pursuant to Article 4(B)(5) of the Certificate of Incorporation of the Company, as amended, the Stockholder agrees prior to or at the Effective Time to convert all of the
Preferred Shares to shares of the Company's Common Stock.

Section 6.Legend. Concurrently with the execution of this Agreement, the Stockholder is surrendering to the Company the certificates representing the Shares, and is hereby requesting that the following legend be
placed on the certificates representing such Shares and shall request that such legend remain thereon until the Expiration Date: "The shares of capital stock represented by this certificate are subject to a Stockholder Agreement, dated as of March __,
2001, among the holder of this Certificate, Infonautics, Inc. and Tucows Inc. which agreement, among other things, restricts the sale or transfer of such shares except in accordance therewith." In the event that the Stockholder shall become the beneficial
owner of any additional shares of Stock or other securities entitling the holder thereof to vote or give consent with respect to the matters set forth in Section 1, the Stockholder shall, upon acquiring such beneficial ownership, surrender to the Company
the certificates representing such shares or securities and request that the foregoing legend be placed on such certificates and remain thereon until the Expiration Date. The Stockholder shall provide Parent with satisfactory evidence of his compliance
with this Section 6 on or prior to the date ten business days after the execution hereof.

Section 7.Specific Performance. The Stockholder acknowledges that the agreements contained in this Agreement are an integral part of the transactions contemplated by the Merger Agreement, and that, without these
agreements, Parent would not enter into the Merger Agreement, and acknowledges that damages would be an inadequate remedy for any breach by the Stockholder of the provisions of this Agreement. Accordingly, the Stockholder, Parent and the Company each
agree that the obligations of the parties hereunder shall be specifically enforceable and neither party shall take any action to impede the other from seeking to enforce such right of specific performance.

Section 8.Notices. All notices, requests, claims, demands and other communications hereunder shall be in writing and shall be deemed duly given (i) upon receipt, if delivered by hand, (ii) one day after deposit, if
deposited with a nationally recognized courier service that guarantees next day delivery, or (iii) three business days after mailing, if mailed by registered or certified mail, postage prepaid, return receipt requested, to the Stockholder at the address
listed on the signature page hereof, to Parent at 590 North Gulph Road, King of Prussia, PA 19406, Attention: President and CEO, with a copy to Joanne R. Soslow, Esquire, Morgan, Lewis & Bockius LLP, 1701 Market Street, Philadelphia, PA 19102, and to
the Company at 96 Mowat Avenue, Toronto, Ontario M6K 3M1, Canada, Attn: Elliot Noss and Graham Morris, with a copy to David Fox, Esquire, Skadden, Arps, Slate, Meagher & Flom
LLP, 4 Times Square, New York, NY 10036, or to such other address as any party may have furnished to the other in writing in accordance herewith.

Section 9.Binding Effect; Survival. This Agreement shall become effective as of the date hereof and shall remain in effect until the Expiration Date. This Agreement shall inure to the benefit of and be binding upon
the parties hereto and their respective heirs, personal representatives, successors and assigns. Neither this Agreement nor any of the rights, interests or obligations of the parties hereto may be assigned without the prior written consent of the other
party.

Section 10.Governing Law; Consent to Jurisdiction and Service of Process. This Agreement shall be governed by and construed in accordance with the laws of the State of Delaware without giving effect to any principles
of conflicts of law that would compel the application of the substantive laws of a jurisdiction other than Delaware. Each of the parties hereto hereby consents to the jurisdiction of any state or federal court located within the state of Delaware and
irrevocably agrees that all actions or proceedings relating to this Agreement may be litigated in such courts. The parties hereto accept the nonexclusive jurisdiction of the aforesaid courts and waive any defense of forum non convenient, and irrevocably
agree to be bound by any judgment rendered thereby (subject to any appeal available with respect to such judgment) in connection with this Agreement. The Stockholder hereby irrevocably appoints Company to serve as his, her or its agent, to receive on his,
her or its behalf service of all process in any such proceeding in any such court, such service being hereby acknowledged by the Stockholder to be effective and binding service in every respect. The Stockholder hereby agrees that service upon the
Stockholder by mail shall constitute sufficient notice and service of process. Nothing herein shall affect the right to serve process in any other manner permitted by law or shall limit the right of Parent to bring proceedings or obtain or enforce
judgments against the Stockholder in the courts of any other jurisdiction.

Section 11.Counterparts. This Agreement may be executed in multiple counterparts, each of which shall be an original and all of which together shall constitute one and the same agreement.

Section 12.Effect of Headings. The section headings herein are for convenience of reference only and shall not affect the construction hereof.

Section 13.Additional Agreements; Further Assurance. Subject to the terms and conditions herein provided, the Stockholder agrees to use all reasonable efforts to take, or cause to be taken, all action and to do, or
cause to be done, all things necessary, proper or advisable to consummate and make effective the transactions contemplated by this Agreement. The Stockholder will provide Parent with all documents which may reasonably be requested by Parent and will take
reasonable steps to enable Parent to obtain all rights and benefits provided it hereunder. The Stockholder hereby gives any consents or waivers that are reasonably required for the consummation of the Merger under the terms of any agreement to which the
Stockholder is party or pursuant to any rights the Stockholder may have.

Section 14.Amendment; Waiver. No amendment or waiver of any provision of this Agreement or consent to departure therefrom shall be effective unless in writing and signed by Parent, the Stockholder and the Company, in
the case of an amendment, or by the party which is the beneficiary of any such provision, in the case of a waiver or a consent to depart therefrom.

Section 15.Severability. If any term provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction to be invalid, void or unenforceable, then the remainder of the terms,
provisions, covenants and restrictions of this Agreement shall remain in full force and effect and shall in no way be affected, impaired or invalidated.

Section 16.Effectiveness. This Agreement shall not become effective unless Marvin I. Weinberger and Ms. Fran Solow Weinberger (the "Weinbergers") shall have entered into a shareholders agreement among the
Weinbergers, Parent and the Company containing substantially the same terms and conditions as contained herein.

Section 17.Enforcement. The Company will upon demand pay to Parent the amount of any and all reasonable expenses of Parent, including the reasonable fees and disbursements of its counsel, which Parent may incur in
connection the enforcement of this Agreement by Parent.

Section 18.Time. Time is of the essence with respect to this Agreement.

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

 

IN WITNESS WHEREOF, this Agreement has been duly executed by the parties hereto all as of the day and year first above written.

	
INFONAUTICS, INC.

	
 

	
By: __________________________

	
Name:

	
Title:

 

	
TUCOWS INC.

	
 

	
By: __________________________

	
Name: 

	
Title: 

	
 

	
STOCKHOLDER

	
 

	
______________________________

	
(Signature)

	
 

	
______________________________

	
(Signature of Spouse)

	
 

	
Print Name of Stockholder

	
______________________________

	
Address: ___________

	
 ______

	
____________

 Number and Class of Shares:Exhibit D

Exhibit D

SHAREHOLDER AGREEMENT

SHAREHOLDER AGREEMENT dated as of March __, 2001, among the person(s) identified as Shareholder on the signature page hereof ("Shareholder"), Infonautics, Inc., a Pennsylvania corporation (the "Company"), and Tucows Inc., a Delaware
corporation ("Tucows").

WHEREAS, on or about the date of the execution and delivery of this Agreement, certain parties are entering into an Agreement and Plan of Merger (the "Merger Agreement"), which contemplates a business combination
between Tucows and the Company in a merger transaction to be accomplished through, as currently contemplated and as may be modified by the parties thereto, (i) the formation of TAC Acquisition Corporation ("TAC") and (ii) the merger of Tucows with and
into TAC (the "Merger");

WHEREAS, Shareholder is the beneficial owner of record of approximately 1,456,154 shares of Class A Common Stock of the Company (the "Class A Shares," and any other shares of common stock or other voting equity securities
of the Company held of record from time to time by the Shareholder, collectively the "Subject Securities");

WHEREAS, as a condition to Tucows' willingness to enter into the Merger Agreement, the Company and Tucows are obtaining this Agreement; 

WHEREAS, the Shareholder deems it in the best interest of the Company for the Company to enter into the Merger Agreement; and

WHEREAS, in order to induce Tucows to enter into the Merger Agreement and to agree to the covenants and agreements set forth therein, Shareholder has agreed to enter into this Agreement. 

NOW, THEREFORE, to induce Tucows to enter into, and in consideration of its entering into, the Merger Agreement, and for other good and valuable consideration the receipt and sufficiency of which are hereby acknowledged by
the parties, and in consideration of the premises and the representations, warranties and agreements herein contained, and intending to be legally bound, the parties agree as follows: 

	Restriction on Transfer or Acquisition of Subject Securities. Except as otherwise specified in Exhibit A hereto, Shareholder shall not (a) sell, transfer, pledge, assign or otherwise dispose of, or enter into any contract, option or other
arrangement or understanding with respect to the direct or indirect sale, transfer, pledge, assignment or other disposition of, any of the Subject Securities to any person other than to Tucows, Company or any designee of Company, (b) deposit any of the
Subject Securities into escrow, a voting trust or a voting agreement or grant a proxy with respect to any such Subject Securities, except as provided in this Agreement, or (c) acquire any additional securities of the Company without the prior written
consent of Company.

	Voting Agreement. Shareholder agrees that, at any annual or special meeting of the shareholders of the Company and in any action by written consent of the shareholders of the Company, Shareholder shall vote the Subject Securities (a) in favor
of the Merger, the approval and adoption of the Merger Agreement and all agreements related to the transactions contemplated by the Merger Agreement, and any actions related thereto, and (b) against any action or agreement which would result in a breach
of any representation, warranty or covenant of the Company in the Merger Agreement or which would otherwise frustrate the purposes of, impede, interfere with or attempt to discourage the Merger, including without limitation any other merger,
consolidation, sale of assets, reorganization, recapitalization, liquidation or winding up of the Company or any other extraordinary transaction involving the Company or any matters related to or in connection therewith. On the date hereof, the
Shareholder shall sign and deliver to Company the proxy in the form set forth in Exhibit B hereto (the "Irrevocable Proxy") to permit the Company to implement the voting agreement set forth in this Section 2. The Shareholder shall, upon request, execute and deliver any additional documents deemed by Company to be necessary or desirable to complete
and effectuate the Irrevocable Proxy and the provisions of this Agreement. 

	No Dissenters Rights. The Shareholder agrees not to exercise any rights (including without limitation any rights that may exist under the Pennsylvania Business Corporation Law of 1988, as amended) to demand appraisal or dissenter's rights of
any Subject Securities owned by the Shareholder with respect to the Merger or the other transactions contemplated by the Merger Agreement.

	Representations and Warranties of the Shareholder. Shareholder hereby represents and warrants to Company as follows:

(a)Authority. This Agreement and the Irrevocable Proxy are valid and binding agreements of the Shareholder. If the Shareholder is married and the Class A Shares constitute community property under applicable laws, this Agreement and the
Irrevocable Proxy have been duly authorized, executed and delivered by and constitute valid and binding agreements of, such Shareholder's spouse. If this Agreement is being executed in a representative or fiduciary capacity the person signing this
Agreement has full power and authority to enter into and perform this Agreement and the Irrevocable Proxy. 

(b)Shareholder owns beneficially all of the Class A Shares and has good and marketable title thereto, free and clear of any claims, liens, encumbrances or security interests whatsoever (other than any created hereby or made to Sovereign Bank prior
to the date hereof). Shareholder does not beneficially own, or have any existing right to acquire, any securities of the Company other than the Class A Shares.

(c)Shareholder has the full and unrestricted legal power, authority and right to enter into, execute and deliver this Agreement and the Irrevocable Proxy without the consent or approval of any other person and has not entered into any voting
agreement or granted any person any proxy (revocable or irrevocable) with respect to the Class A Shares (other than this Agreement and the Irrevocable Proxy).

	Representations and Warranties of the Company. The Company hereby represents and warrants to Shareholder that the Company has all requisite corporate power and authority to enter into this Agreement and to consummate the transactions
contemplated hereby and thereby, that this Agreement has been duly executed and delivered by the Company and this Agreement constitutes the valid and binding obligation of the Company.

	Termination. This Agreement and the Irrevocable Proxy shall terminate upon the earlier to occur of (a) the effective time of the Merger or (b) the termination of the Merger Agreement; provided, however, that the term applicable to the
transfer of Subject Securities specified on Exhibit A hereto shall terminate as specified in Exhibit A.

	No Brokers. Except for Company's fairness opinion and related services fee payable to Janney Montgomery Scott, the Shareholder and the Company represent, as to themselves and their affiliates, that to the best of their knowledge no agent,
broker, investment banker or other firm or person is or will be entitled to any broker's or finder's fees or any other commission or similar fee in connection with any of the transactions contemplated by this Agreement and respectively agree to indemnify
and hold the others harmless from and against any and all claims, liabilities or obligations with respect to any such fees, commissions or expenses asserted by any person on the basis of any act or statement alleged to have occurred or been made by such
party or any of its affiliates.

	Assignment. Neither this Agreement nor any of the rights, interests or obligations hereunder shall be assigned by either of the parties without the prior written consent of the other party. This Agreement will be binding upon, inure to the
benefit of and be enforceable by the parties and their respective successors and assigns. 

	General Provisions. 

(a)Specific Performance. The parties hereto agree that if for any reason any party hereto shall have failed to perform its obligations under this Agreement or the Irrevocable Proxy, then the party seeking to enforce this Agreement or the
Irrevocable Proxy shall be entitled to specific performance and injunctive and other equitable relief, and the parties hereto further agree to waive any requirement for the securing or posting of any bond in connection with the obtaining of any such
injunctive or other equitable relief. This provision is without prejudice to any other rights or remedies, whether at law or in equity, that any party hereto may have against any other party hereto for any failure to perform its obligations under this
Agreement or the Irrevocable Proxy. 

(b)Expenses. All costs and expenses incurred in connection with this Agreement and the transactions contemplated hereby shall be paid by the party incurring such costs and expenses. 

(c)Amendments. This Agreement may not be amended except by an instrument in writing signed by each of the parties hereto. 

(d)Notices. All notices, requests, claims, demands and other communications hereunder shall be deemed to have been duly given when delivered in person, by facsimile, telegram or telex, or by registered or certified mail (postage prepaid,
return receipt requested), if to the Company, to its address as set forth on the signature page hereof and, if to Shareholder, to the address set forth on the signature page hereof.

(e)Descriptive Headings; Definitions. The headings contained in this Agreement are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. All capitalized terms used herein but not
defined herein shall have the meaning ascribed to them in the Merger Agreement.

(f)Counterparts. This Agreement may be executed in two or more counterparts, all of which shall be considered one and the same agreement, and shall become effective when one or more of the counterparts have been signed by each of the
parties and delivered to the other parties, it being understood that all parties need not sign the same counterpart. 

(g)Entire Agreement. This Agreement (including the exhibits hereto) constitutes the entire agreement and supersedes all prior agreements and understandings, both written and oral, among the parties with respect to the subject matter hereof.
This Agreement (including the documents and instruments referred to herein) is not intended to and shall not be deemed to confer upon any person other than the parties hereto any rights or remedies hereunder. If any provision of this Agreement or the
Irrevocable Proxy shall be invalid or unenforceable under applicable law, such provision shall be ineffective to the extent of such invalidity or unenforceability only, without in any way affecting the remaining provisions of this Agreement or the
Irrevocable Proxy.

(h)Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the Commonwealth of Pennsylvania, applicable to contracts made and to be performed in that Commonwealth. 

IN WITNESS WHEREOF, the Company has caused this Agreement to be signed by its respective officer thereunto duly authorized, and Shareholder has signed this Agreement, all as of the date first written above. 

 

	
INFONAUTICS, INC.

	
 

	
By: _____________________________

	
Title: VP & General Counsel, Secretary

	
Address:  590 N. Gulph Road

         King of Prussia, PA 19406-2800 USA

         610-971-8859 (fax)

	
 

	
TUCOWS INC.

	
 

	
By: _______________________________________

	
Title:President, CEO

	
Address: 96 Mowat Avenue

        Toronto, Ontario M6K 3M1 Canada

        416-531-5584 (fax)

 

	

	
SHAREHOLDER:

	
______________________________
	
_______________________________________

	
Witness
	
Name: Marvin I. Weinberger

	
 
	 
	
______________________________ 
	
_______________________________________

	
Witness
	
Name: Fran Solow Weinberger

	

	
Address: 630 Penfield Avenue

Havertown, PA 19083-4120

	

 

EXHIBIT A

TRANSFERS OF SUBJECT SECURITIES

The Company agrees that the restrictions on transfer or acquisition of Subject Securities set forth in Section 1 of this Agreement shall not apply with respect to the following:

	The sale of that number of shares of Class A Common Stock of the Company equal to fifty percent (50%) of the number of shares of Class A Common Stock of the Company eligible to be sold by the Shareholder pursuant to Rule 144 under the Securities Act
of 1933 during the period commencing two business days following the public announcement by the Company (the "Release Date") of the execution of the Merger Agreement and terminating three months following the Release Date.

	The sale of that number of shares of Class A Common Stock of the Company equal to seventy five percent (75%) of the number of shares of Class A Common Stock of the Company eligible to be sold by the Shareholder pursuant to Rule 144 under the
Securities Act of 1933 during the period commencing three months following the Release Date and terminating six months following the Release Date.

The Shareholder agrees that any sale of shares of Class A Common Stock pursuant to Paragraphs 1 and 2 above shall be in compliance with Rule 144 and the Company's policy regarding insider trading. The Company agrees to use
its best efforts to have all necessary clearances in order for the Shareholder to sell his shares of Class A Common Stock under Rule 144 made as soon as reasonably practicable after receipt by the Company, attention Vice President & General Counsel,
Gerard J. Lewis, Jr., of duly executed and completed paperwork as may be required in order to complete such sale.

In addition, the Company agrees to use its best efforts to file a registration statement on Form S-3 with the Securities and Exchange Commission as soon as reasonably practicable upon Shareholder's written request after (a)
consummation of the Merger or (b) any earlier termination of the Merger in accordance with Paragraph 7(b). Such registration statement shall provide for the registration of all shares of the Company owned by the Shareholder as a result of the Merger less
any shares previously sold by the Shareholder ("Merger Shares"). If the Merger is terminated in accordance with Paragraph 7(b), such registration statement shall provide for the registration of all shares of Company owned by the Shareholder at the time of
registration, less any shares previously sold by the Shareholder ("Company Shares"). The registration rights granted under this paragraph shall terminate when the Shareholder is eligible to sell all of the Merger Shares or Company Shares, as the case may
be, pursuant to Rule 144(k).

 

EXHIBIT B

 

IRREVOCABLE PROXY

EXECUTED March ___, 2001

 

Marvin I. Weinberger ("Shareholder"), being a holder of shares of Class A Common Stock of Infonautics, Inc. (the "Company") (the "Class A Shares"), does hereby constitute and appoint such person or
persons as the Company shall designate from time to time (the "Proxy") the true and lawful attorney and proxy of Shareholder for him and in his name, place and stead, with full power of substitution, for a term (the "Term") of one year from the date of execution hereof, to attend and to vote as the
proxy of Shareholder, at any and all meetings of shareholders of the Company or any adjournments thereof, all of the Class A Shares eligible to vote which are held of record or beneficially, by Shareholder, on any and all matters, proposals and questions,
whether benefiting the Proxy or Company or not, that may be lawfully considered there, and to execute any written consents of Shareholder which may be solicited during the Term, as fully and with the same number of votes and with the same effect as
Shareholder could do if personally present thereat or if personally solicited to execute such written consents.

Shareholder hereby revokes all proxies heretofore made by him.

Shareholder hereby ratifies all that the Proxy may or shall lawfully do in voting the Class A Shares in accordance herewith at any such meeting or adjournment in respect of all matters, proposals and questions that may
properly come before the shareholders for consideration and action.

Shareholder acknowledges that this proxy is coupled with an interest and is irrevocable.

	
_______________________________________

	
Marvin I. Weinberger

	
 

	
_______________________________________

	
Fran Solow Weinberger

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