Document:

Promissory Note

Exhibit 10.43

PROMISSORY NOTE

	
      $50,000 USD
	
      April 14, 2005

 

FOR VALUE RECEIVED, the undersigned, Invisa, Inc. a Nevada
corporation, of 6935 15th Street East, Suite 120, Sarasota, Florida
34243, promises to pay to the order of Express Systems Corporation of 114 W.
Magnolia Street, #446, Bellingham, WA 98225 or such other place as the holder
may designate in writing to the undersigned, the principal sum of fifty thousand
United States dollars ($50,000 USD), together with interest thereon from date
hereof until paid, at the rate of twelve percent (12%) per annum as follows: The
entire principal amount and accrued interest shall be repaid on April 20,
2005.

Payments shall be applied first to accrued interest and the balance
to principal.

All or any part of the aforesaid principal sum may be prepaid at any
time and from time to time without penalty.

In the event of any default by the undersigned in the payment of
principal or interest when due or in the event of the suspension of actual
business, insolvency, assignment for the benefit of creditors, adjudication of
bankruptcy, or appointment of a receiver, of or against the undersigned, the
unpaid balance of the principal sum of this promissory note shall, at the option
of the holder, become immediately due and payable.

Borrower’s obligations in this Promissory Note are secured by a
security interest in certain personal property of the Borrower as reflected in
the Security Agreement dated the same date as this Promissory Note.

The maker and all other persons who may become liable for the payment
hereof severally waive demand, presentment, protest, notice of dishonor or
nonpayment, notice of protest, and any and all lack of diligence or delays in
collection which may occur, and expressly consent and agree to each and any
extension or postponement of time of payment hereof from time to time at or
after maturity or other indulgence, and waive all notice thereof.

In case suit or action is instituted to collect this note, or any
portion hereof, the maker promises to pay such additional sum, as the court may
adjudge reasonable, attorney’s fees in said proceedings.

This note is made and executed under, and is in all respects governed
by, the laws of the State of Florida.

	 	 	 
	 	INVISA, INC.
	 
 	 
 	 
 
	Date: April 14, 2005	By:  	/s/ Herb M. Lustig
	 	
      

      Herb M. Lustig
	 	Title: President and CEOSecurity Agreement

Exhibit 10.44

SECURITY AGREEMENT

THIS SECURITY AGREEMENT (“Agreement”) is made and effective this
April 14, 2005, by and between Invisa, Inc., a Nevada Corporation (“Borrower”),
and Express Systems Corporation, a Nevada Corporation (“Secured Party”).

WHEREAS, Borrower is in the debt of Secured Party; and

WHEREAS, Borrower desires to give, and Secured Party desires to
receive, a security interest in certain tangible personal property of Borrower
to secure such debt.

NOW, THEREFORE, Secured Party and Borrower agree as follows:

	1.  	
      Definitions.

A “Collateral”: The following described tangible,
personal property of Borrower: (i) all of Borrower’s equipment, furniture,
fixtures, inventory, accounts receivable and other such assets; and (ii) all
additions and substitutions to or for the items referred to in Section 1.A.(i)
above, and all proceeds therefrom. Also, if the Collateral is inventory or
equipment, any after acquired inventory or equipment shall also be considered
Collateral.

B. “Obligation”: All of the interest, principal
and other amounts payable under that certain promissory note dated April 11,
2005, payable by Borrower to Secured Party for fifty thousand United States
dollars ($50,000 USD), bearing interest at a rate of twelve percent (12%) per
annum, a copy of which is attached hereto as Exhibit A.

	2.  	
      Security
      Interest.

Borrower hereby grants to Secured Party a security interest in the
Collateral in order to secure payment of the Obligation.

	3.  	
      Books and Records;
      Inspection.

Borrower shall keep and maintain, at its expense, complete records
of the Collateral. Secured Party shall have the right at any time and from time
to time, with reasonable notice, to call at Borrower’s place of business during
normal business hours to inspect the Collateral and to inspect the
correspondence, books, and records of Borrower relating to the Collateral.

	4.  	
      Representations and Warranties of
      Borrower.

Borrower represents and warrants to Secured Party that, with
respect to the Collateral, Borrower possesses and shall possess at all times
while this Security Agreement is in effect, full, complete and unencumbered
title to such collateral, subject only to Secured Party’s security interest
hereunder, and liens, if any, for current taxes, assessments and other
governmental charges are not delinquent.

	5.  	
      Covenants of
Borrower.

The Borrower agrees and covenants with Secured Party that:

A.  The
Collateral shall be kept at 6935 15th Street East, Suite 120,
Sarasota, Florida 34243, and Borrower shall not change the location of the
Collateral without the prior written consent of Secured Party.

B.  Borrower
shall not at any time cause or suffer any part of the Collateral, or any
interest in any of the Collateral to be subject to any Security Interest other
than that of Secured Party.

C.  Borrower
shall defend the Collateral against the claims and demands of all persons other
than Secured Party.

D.  Borrower
shall at all times promptly pay and discharge, at Borrower’s expense, all taxes,
assessments and other governmental charges which constitute or may become liens
on the Collateral.

E.  At
the request of Secured Party, at any time and from time to time, Borrower shall
execute such financing statements and other documents, pay such filing,
recording and other fees, and do or cause to be done such other acts or things
as Secured Party deems reasonably necessary to establish, perfect, and continue
its security interest hereunder.

F.  Borrower
shall pay all costs, expenses, charges and other obligations, including, without
limitation, reasonable attorney’s fees, suffered or incurred by Secured Party to
protect, preserve, maintain and obtain possession of or title to the Collateral,
to perfect, protect, preserve and maintain the security interest granted by this
Security Agreement, and to enforce or assert any one or more of its rights,
powers, remedies and defenses under this Security Agreement.

	6.  	
      Events of
      Default.

Borrower shall be in default under this Security Agreement if
Borrower fails timely to observe and perform any covenants, conditions or
agreements required to be observed or performed by Borrower under this Security
Agreement, or if Borrower defaults upon any material promise in the
obligation.

	7.  	
      Remedies Upon Event of
      Default.

At any time upon or following the occurrence of one or more of the
events of default under Section 6 hereof, Secured Party may, at its option,
assert or avail itself of any one or more of the rights, powers, remedies and
defenses conferred upon Secured Party under the Uniform Commercial Code and
other laws of the State of Florida, which laws shall generally govern the
construction and interpretation of this Agreement, or assert or avail itself of
any one or more of the rights, powers, remedies and defenses conferred upon
Secured Party under any other appropriate law or regulation, whether federal or
state.

	8.  	
      Application of
      Proceeds.

Any and all proceeds resulting from the disposition of all or any
part of the Collateral following the occurrence of one or more events of default
shall be applied to pay and provide for the Obligations of Borrower to Secured
Party, with any balance remaining to be paid to Borrower or its successors and
assigns, as their respective interests may appear.

	9.  	
      Notices

Any notice required by this Agreement or given in connection with
it, shall be in writing and shall be given to the appropriate party by personal
delivery or by certified mail, postage prepaid, or recognized overnight delivery
services.

If to
Borrower:

Invisa, Inc.

6935 15th Street East, Suite
120

Sarasota, Florida 34243

With a copy
to:

Ellenoff Grossman & Schole LLP

370 Lexington Avenue

New York, NY 10017

Attention: Barry I. Grossman, Esq.

If to Secured
Party:

Express Systems Corporation

114 W. Magnolia Street

Suite 446

Bellingham, WA 98225

	10.  	
      Severability.

The invalidity or unenforceability of any provision in this
Agreement shall not cause any other provision to be invalid or
unenforceable.

	11.  	
      Final
      Agreement.

This Agreement constitutes he final agreement and understanding
between the parties on the subject matter hereof and supersedes all prior
understandings or agreements whether oral or written. This Agreement may be
modified only by a further writing that is duly executed by both parties.

	12.  	
      Headings.

Headings used in this Agreement are provided for convenience only
and shall not be used to construe meaning or intent.

IN WITNESS WHEREOF, Borrower and Secured Party have executed this
Security Agreement on the date first above written.

 

	 	 	 	 
	/s/ Herbert M. Lustig	 	 	/s/ Randle BVarrington-Foote
	
      

    	 	 	
      

    
	Name: Herbert M. Lustig
Title: President
	 	 	Name: Randle Barrington-Foote
Title:
PresidentForm of Amended and Restated Class A-1 Common Stock Purchase Warrant

 Exhibit 4.2 
  

This warrant and any shares represented by this warrant have not been registered under the securities act of 1933, as amended, and may not be transferred, sold or
otherwise disposed of except pursuant to an effective registration under said act or pursuant to an exemption from such registration. 
  
 The voting of the shares of stock issuable pursuant to this warrant, and the sale, encumbrance or other disposition of such stock and this warrant are subject to the
provisions of a stockholders agreement dated as of December 16, 1999 (the “stockholders agreement”) to which the issuer and certain of its stockholders are party. Furthermore, such stock and this warrant may be sold or otherwise
transferred only in compliance with the stockholders agreement. A complete and correct copy of the stockholders agreement may be inspected at the principal office of the issuer or obtained from the issuer without charge. 
  
 KENEXA CORPORATION 
  
 Form of Amended and Restated Class A-1 Common Stock Purchase Warrant

  

			
	 No. [    ]
	 	 Wayne, Pennsylvania

	 	 	 April 8, 2005

	 	 	 (Original Issue Date – December 16, 1999)

  
 THIS CERTIFIES THAT,
for value received, and subject to the conditions on exercise and other provisions hereinafter set forth, [            ] or transferees permitted under the Stockholders Agreement (the
“Holder”), is entitled to purchase from Kenexa Corporation, a Pennsylvania corporation (the “Company”), under the conditions specified in this Warrant (the “Warrant”),
[            ] shares (subject to adjustment as hereinafter provided) of the duly authorized, validly issued, fully paid and non-assessable Class A Common Stock, $0.01 par value per share,
of the Company at an initial exercise price of $0.01 per share (such exercise price, as from time to time adjusted in accordance with the terms hereof, the “Warrant Price”). Certain capitalized terms used in this Warrant are defined in
Section 14 below. 
  
 This Warrant is one of a series of warrants
(collectively, the “Warrants”) issued pursuant to clause (b) of Section 2.1 of the Purchase Agreement. A copy of the Purchase Agreement may be inspected at the principal office of the Company or obtained from the Company without charge.

  
 1. EXERCISABILITY. Unless earlier terminated pursuant to Section 2, this
Warrant shall become exercisable upon the earliest to occur of the following: 
  
 1.1. the consummation of a Qualified Public Offering at a price to the public per share that results in (i) an IRR on the Purchased Securities of less than the IRR Hurdle, or (ii) Proceeds on the Purchased Securities
of less than the Proceeds Threshold; 
  

 1.2. the consummation of a Sale Transaction that results in (i) an IRR on the Purchased Securities of
less than the IRR Hurdle, or (ii) Proceeds on the Purchased Securities of less than the Proceeds Threshold; 
  
 1.3. the determination by a majority of the Management Stockholders (as defined in the Stockholders Agreement) that it is not reasonably likely that a
Qualified Public Offering or Sale Transaction will result in (i) an IRR on the Purchased Securities of at least the IRR Hurdle, and (ii) Proceeds on the Purchased Securities of at least the Proceeds Threshold; and 
  
 1.4. December 16, 2006. 
  
 2. TERMINATION. This Warrant shall terminate on the earlier of the following: 
  
 2.1. the consummation of a Qualified Public Offering at a price to the public
per share that results in (i) an IRR on the Purchased Securities of at least the IRR Hurdle, and (ii) Proceeds on the Purchased Securities of at least the Proceeds Threshold; 
  
 2.2. the consummation of a Sale Transaction or other sale of Purchased Securities that results in (i) an IRR on the
Purchased Securities of at least the IRR Hurdle, and (ii) Proceeds on the Purchased Securities of at least the Proceeds Threshold; and 
  
 2.3. the written consent to such termination by the Holders of Warrants to acquire a majority of the shares of common stock originally subject to the
Warrants. 
  
 3. EXERCISE OR CONVERSION OF WARRANT. 
  
 3.1. Manner of Exercise or Conversion; Payment. 
  
 (a) Exercise. This Warrant may be exercised by the
holder hereof, in whole or in part, during normal business hours on any Business Day on or prior to the Expiration Date, by surrender of this Warrant to the Company at its office maintained pursuant to Section 13.2(a) hereof, accompanied by a
subscription in substantially the form attached to this Warrant (or a reasonable facsimile thereof) duly executed by such holder and accompanied by payment, in cash or by check payable to the order of the Company (or by any combination of such
methods), in the amount obtained by multiplying (a) the number of shares of Class A Common Stock (without giving effect to any adjustment thereof) designated in such subscription by (b) the Exercise Price, and such holder shall thereupon be entitled
to receive the number of duly authorized, validly issued, fully paid and nonassessable shares of Class A Common Stock determined as provided in Section 4 hereof. 
  
 (b) Conversion. This Warrant may be converted by the holder hereof, in whole or in part, into shares
of Class A Common Stock, during normal business hours on any Business Day on or prior to the Expiration Date, by surrender of this Warrant to the Company at its office maintained pursuant to Section 13.2(a) hereof, accompanied by a conversion notice
in 

  

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substantially the form attached to this Warrant (or a reasonable facsimile thereof) duly executed by such holder, and such holder shall thereupon be entitled
to receive a number of duly authorized, validly issued, fully paid and nonassessable shares of Class A Common Stock equal to the quotient of: 
  
 (i) the excess of: 
  
 (A) an amount equal to the sum of (x) the product of (aa) the number of shares of Class A Common Stock determined as provided in Section
2 hereof which such holder would be entitled to receive upon exercise of this Warrant for the number of shares of Class A Common Stock designated in such conversion notice multiplied by (bb) the Current Market Price of each such share of
Class A Common Stock so designated and (y) the Current Market Price of any Other Securities and the fair value of any other property (determined in good faith by the Board of Directors of the Company) such holder would be entitled to receive upon
exercise of this Warrant for the number of shares of Class A Common Stock designated in such conversion notice 
  
 over 
  
 (B) an amount equal to (x) the number of shares of Class A Common Stock (without giving effect to any adjustment thereof) designated in
such conversion notice multiplied by (y) the Exercise Price 
  
 divided by 
  
 (ii) such Current Market Price of a share of Class A Common Stock. 
  
 For all purposes of this Warrant (other than this Section 3.1), any reference herein to the exercise of this Warrant shall be deemed to include a reference to the conversion of this Warrant into Class A Common Stock in accordance with the
terms of this Section 3.1(b). 
  
 3.2. When Exercise
Effective. Each exercise of this Warrant shall be deemed to have been effected immediately prior to the close of business on the Business Day on which this Warrant shall have been surrendered to the Company as provided in Section 3.1 hereof, and
at such time the Person or Persons in whose name or names any certificate or certificates for shares of Class A Common Stock shall be issuable upon such exercise as provided in Section 3.3 hereof shall be deemed to have become the holder or holders
of record thereof. 
  
 3.3. Delivery of Stock Certificates,
etc. As soon as practicable after each exercise of this Warrant, in whole or in part, and in any event within three Business Days thereafter, the Company at its expense (including the payment by it of any applicable issue taxes) will cause to be
issued in the name of and delivered to the holder hereof or as such holder may direct: 
  
 (a) a certificate or certificates for the number of duly authorized, validly issued, fully paid and nonassessable shares of Class A Common
Stock to which such holder shall be entitled upon such exercise plus, in lieu of any fractional share to which such 

  

 -3- 

 
holder would otherwise be entitled, cash in an amount equal to the same fraction of the Market Price per share on the Business Day next preceding the date of
such exercise; and 
  
 (b) in case such exercise
is in part only, a new Warrant or Warrants of like tenor, dated the date hereof and calling in the aggregate on the face or faces thereof for the number of shares of Class A Common Stock equal to the number of such shares (without giving effect to
any adjustment thereof) called for on the face of this Warrant minus the number of such shares designated by the holder upon such exercise as provided in Section 3.1 hereof. 
  
 4. ADJUSTMENT OF COMMON STOCK ISSUABLE UPON EXERCISE. 
  
 4.1. General; Number of Shares; Warrant Price. The number of shares of Class A Common Stock which the holder of this
Warrant shall be entitled to receive upon each exercise hereof shall be equal to the product of: 
  
 (a) the number of shares of Class A Common Stock which would otherwise (but for the provisions of this Section 4) be issuable upon such
exercise, as designated by the holder hereof pursuant to Section 3.1 hereof, and 
  
 (b) a fraction of which (i) the numerator is the Initial Warrant Price, and (ii) the denominator is the Warrant Price in effect on the
date of such exercise. 
  
 The “Initial Warrant Price” shall be the
Exercise Price. The “Warrant Price” shall initially be the Initial Warrant Price, shall be adjusted and readjusted from time to time as provided in this Section 4 and, as so adjusted or readjusted, shall remain in effect until a further
adjustment or readjustment thereof is required by this Section 4. The “Trigger Price” shall initially be $3.34 per share of Class A Common Stock and shall be adjusted and readjusted from time to time as provided in this Section 4 and, as
so adjusted or readjusted, shall remain in effect until a further adjustment or readjustment thereof is required by this Section 4. 
  
 4.2. Adjustments for Dividends, Distributions, Stock Splits, etc. 
  
 (a) Dividends and Distributions. In case at any time or from time to time, the holders of Class A
Common Stock shall have received, or (on or after the record date fixed for the determination of shareholders eligible to receive) shall have become entitled to receive, without payment therefor: 
  
 (i) other or additional stock or Other Securities or
property (other than cash) by way of dividend, or 
  
 (ii) any cash, or 
  
 (iii) other or
additional stock or other securities or property (including cash) by way of spin-off, split-up, reclassification, recapitalization, combination of shares or similar corporate rearrangement, other than additional shares of Class A
Common Stock issued as a stock dividend or in a stock-split (adjustments in respect of which are provided for in Section 4.2(b) below), 
  

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 then and in each such case the holder of this Warrant, on the exercise hereof as provided in Section 3, shall be
entitled, without the payment of any additional consideration or the taking of any further action, to receive the amount of stock, Other Securities and property (including cash in the cases referred to in subdivisions (ii) and (iii) of this Section
4.2(a)) which such holder would hold on the date of such exercise if on the date hereof he had been the holder of record of the number of shares of Common Stock provided for herein and had thereafter, during the period from the date hereof to and
including the date of such exercise, retained such shares and all such other or additional stock and other securities and property (including cash in the cases referred to in subdivisions (ii) and (iii) of this Section 4.2(a)) receivable by him as
aforesaid during such period, giving effect to all adjustments called for during such period by Section 4. 
  
 (b) Treatment of Stock Dividends, Stock Splits, etc. In the event that the Company shall (i) issue Common Stock Equivalents, or
securities exercisable for or convertible into Common Stock Equivalents, as a dividend or other distribution on outstanding Common Stock Equivalents, (ii) subdivide its outstanding Common Stock Equivalents, or (iii) combine its outstanding shares of
Common Stock Equivalents into a smaller number of shares of Common Stock Equivalents, then, in each such event, the Warrant Price and the Trigger Price shall, simultaneously with the happening of such event, be adjusted by multiplying each of the
then current Warrant Price and Trigger Price by a fraction, (a) the numerator of which shall be the number of shares of Common Stock Equivalents outstanding immediately prior to such event, and (b) the denominator of which shall be the number of
shares of Common Stock Equivalents outstanding immediately after such event, and the product so obtained shall thereafter be the Warrant Price and Trigger Price, respectively, then in effect. The Warrant Price and Trigger Price, as so adjusted,
shall be readjusted in the same manner upon the happening of any successive event or events described herein in this Section 4.2(b). Upon each adjustment of the Warrant Price or Trigger Price, the holder of this Warrant shall thereafter be entitled
to purchase at the Warrant Price resulting from such adjustment, the number of shares obtained by dividing the product of the number of shares purchasable pursuant hereto immediately prior to such adjustment and the Warrant Price immediately
preceding such adjustment by the Warrant Price resulting from such adjustment. 
  
 4.3. Reorganization, Consolidation or Merger. In case at any time or from time to time the Company shall (a) effect a reorganization, (b) consolidate with or merge into any other person, (c) voluntarily or
involuntarily dissolve, liquidate or wind-up, or (d) transfer all or substantially all of its properties or assets to any other person, then in each such case, as a condition thereto, lawful and adequate provision shall be made so that the holder of
this Warrant, on the exercise or conversion hereof as provided in Section 1 at any time after the consummation of such reorganization, consolidation or merger or the effective date of such dissolution, as the case may be, shall receive, in lieu of
the Class A Common Stock issuable on such exercise immediately prior to such consummation or such effective date, the stock and other securities and property (including cash) to which such holder would have been entitled upon such consummation or in
connection with such reorganization, consolidation, merger or dissolution, as the case may be, if such holder had so exercised this Warrant, immediately prior thereto, all subject to further adjustments thereafter as provided in Section 4.

  

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 4.4. Adjustment for Issuance of Common Stock Equivalents Below Trigger Price. 
  
 (a) General. In any case to which Sections 4.2 and
4.3 hereof are not applicable, where the Company shall issue or sell shares of its Common Stock Equivalents after February 1, 2001 without consideration or for a consideration per share less than the Trigger Price in effect pursuant to the terms of
this Warrant at the time of issuance or sale of such additional shares, except where such shares are issued or sold pursuant to the exercise of any warrant or option or issued prior to the date of this Warrant or issued in connection with or
pursuant to documentation entered into in connection with a financing by the Company in which the Company issues shares of Series A Redeemable Participating Preferred Stock, then the Warrant Price in effect hereunder shall simultaneously with such
issuance or sale be reduced to a price determined by multiplying the Warrant Price then in effect hereunder by a fraction, the numerator of which is the sum of (i) the product of the total number of shares of Common Stock Equivalents outstanding
immediately prior to such issuance or sale on a fully diluted basis, after giving effect to the exchange or conversion of all outstanding Convertible Securities and the exercise of all Options outstanding multiplied by the Trigger Price in effect
hereunder at the time of such issuance or sale, plus (ii) the aggregate consideration received by the Company upon such issuance or sale, and the denominator of which is the product of the total number of shares of Common Stock Equivalents
outstanding immediately after issuance or sale of such additional shares on a fully diluted basis, after giving effect to the exchange or conversion of all outstanding Convertible Securities and the exercise of all Options outstanding multiplied by
the Trigger Price in effect hereunder at the time of such issuance or sale. 
  
 (b) Options; Convertible Securities. In case the Company shall issue or sell any Options or Convertible Securities after December 16, 1999 there shall be determined the price per share for which Common Stock
Equivalents are issuable upon the conversion or exercise thereof, such determination to be made by dividing (i) the sum of the total amount received or receivable by the Company as consideration for the issue or sale of such Options or Convertible
Securities plus the minimum aggregate amount of additional consideration payable to the Company upon the conversion or exercise thereof, by (ii) the maximum number of shares of Common Stock Equivalents of the Company issuable upon the conversion or
exercise of all of such Options or Convertible Securities. If the price per share so determined shall be less than the applicable Trigger Price, then, for purposes of Section 4.4(a) hereof, such issue or sale shall be deemed to be an issue or sale
(as of the date of issue or sale of such Options or Convertible Securities) of such maximum number of shares of Common Stock Equivalents at the price per share so determined and such maximum number of shares shall be deemed to be outstanding after
such issuance, provided that, upon the expiration of such rights of conversion or exercise of such Options or Convertible Securities, if any thereof shall not have been exercised, the adjusted Warrant Price shall forthwith be readjusted and
thereafter be the price which it would have been had an adjustment been made on the basis that the only shares of Common Stock Equivalents so issued or sold were issued or sold upon the conversion or exercise of such Options or Convertible
Securities, and that they were issued or sold for the consideration actually received by the Company upon such conversion or exchange, plus the consideration, if any, actually received by the Company for the issue or sale of all of such Options or
Convertible Securities which shall have been converted or exchanged. 
  

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 (c) Record Date. If the Company takes a record of the holders of Common Stock
Equivalents for the purpose of entitling them (i) to receive a dividend or other distribution payable in Common Stock Equivalents, Options or Convertible Securities, or (ii) to subscribe for or purchase Common Stock Equivalents, Options or
Convertible Securities, then such record date shall be deemed to be the date of the issue or sale of the Common Stock Equivalents deemed to have been issued or sold upon the declaration of such dividend or upon the making of such other distribution
or the date of the granting of such right of subscription or purchase, as the case may be. 
  
 (d) Termination Upon a Qualified Public Offering. This Section 4.4 shall terminate, and no adjustments under this Section 4.4 shall
be required, upon the consummation of a Qualified Public Offering. 
  
 4.5. Minimum Adjustment of Warrant Price and Trigger Price. If the amount of any adjustment of the Warrant Price required pursuant to this Section 4 would be less than one-tenth (1/10) of one percent (1%) of the Warrant Price or
Trigger Price, as the case may be, in effect at the time such adjustment is otherwise so required to be made, such amount shall be carried forward and adjustment with respect thereto made at the time of and together with any subsequent adjustment
which, together with such amount and any other amount or amounts so carried forward, shall aggregate at least one tenth (1/10) of one percent (1%) of such Warrant Price or Trigger Price. 
  
 4.6. Shares Deemed Outstanding. For all purposes of the computations to be made pursuant to this Section 4, treasury
shares shall not be deemed to be outstanding. 
  
 4.7.
Calculation of Consideration Received. If any Common Stock Equivalents, Options or Convertible Securities are issued or sold or deemed to have been issued or sold for cash, the consideration received therefor shall be deemed to be the amount
received by the Company therefor (net of discounts, commissions and related expenses). If any Common Stock Equivalents, Options or Convertible Securities are issued or sold for a consideration other than cash, the amount of the consideration other
than cash received by the Company shall be the fair value of such consideration, except where such consideration consists of securities, in which case the amount of consideration received by the Company shall be the Current Market Price thereof as
of the date of receipt. For purposes of this Warrant, the fair value of any consideration other than cash and securities shall be determined by the board of directors of the Company using its good faith discretion. 
  
 4.8. Integrated Transactions. In case any Options are issued in
connection with the issue or sale of Other Securities of the Company, together comprising one integrated transaction in which no specific consideration is allocated to such Options by the parties thereto, the Options shall be deemed to have been
issued for a consideration of $1.00 (as adjusted consistent to give effect to the occurrences set forth in Sections 4.2 and 4.3). 
  
 5. REPURCHASE OF WARRANTS. 
  
 5.1. Right to “Put” Warrant. If a Realization Event shall not have occurred prior to the 66th month plus one day anniversary of the date as of which the Amendment of Class A-1 

  

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and Class A-2 Common Stock Purchase Warrants is executed and this Warrant becomes exercisable within six months of such anniversary, Investor or any other
holder of this Warrant may, at any time and from time to time during the six month period immediately thereafter, by notice to the Company (the “Put Notice”), elect to sell to the Company (and the Company hereby, agrees to purchase from
Investor or any other such holder), at the Put Purchase Price specified in Section 5.3(a) hereof, such number of Warrants as are specified in the Put Notice on the Business Day specified in the Put Notice, which Business Day shall be not less than
20 days nor more than 30 days after the receipt by the Company of said Put Notice (the date on which the Company receives the Put Notice is referred to as the “Put Notice Date”). The right created by this Section 5.1 shall terminate upon
the occurrence of a Realization Event. Any Warrants not sold to the Company pursuant to this Section 5 shall automatically convert into Class A Common Stock in accordance with Section 3.1(b) (provided that, for purposes of this Section 5, the
Current Market Price shall be the Market Price (defined below)). Notwithstanding anything contained in this Warrant to the contrary, the holder of this Warrant shall not have the right to require the Company to pay the Put Purchase Price pursuant to
this Section 5.1 unless and until all of the shares of the Company’s Series A Redeemable Participating Preferred Stock have been redeemed in full by the Company. 
  
 5.2. Realization Event. A “Realization Event” shall mean (a) a Qualified Public Offering, or (b) a
transaction in which all of Investor’s Warrants and Other Securities are exchanged either for cash or for Other Securities of another Person, provided that such Other Securities are traded on a national securities exchange or the Nasdaq
National Market and are not subject to any restrictions under the Securities Act and such Person’s outstanding Other Securities (other than those held by such Person’s Affiliates) have an aggregate public market value of not less than $500
million. 
  
 5.3. Purchase Price. 
  
 (a) Put Purchase Price. The purchase price for the
Warrants purchased by the Company pursuant to this Section 5 (the “Put Purchase Price”) shall be an amount equal to the Market Price (as defined below) on the relevant Put Notice Date for the number of Other Securities that would be
obtained upon the exercise of the portion of such Warrant being purchased). 
  
 (b) Market Price. “Market Price” shall mean the value on a specified date of the shares of Class A Common Stock underlying the Warrant which could be obtained in an initial public offering of such
Class A Common Stock. Within five business days of the Put Notice Date, the holders of the Warrants shall suggest three investment banking firms, from which the Company shall select one (the selected firm being the “Arbitrator”). The
Arbitrator shall be instructed to determine the Market Price consistent with the first sentence of this Section 5.3(b), within thirty days from the Put Notice Date. The expenses of any such Arbitrator shall be shared equally by the Company and the
relevant holder. 
  
 5.4. Payments of Put Purchase Price.
The Put Purchase Price may be paid in cash or in subordinated debt of the Company (“Put Notes”). Put Notes shall bear interest, payable semiannually, at the Prime Rate plus 3.5% and shall have a term of two years. The principal shall be
payable in four equal installments over the term of the Put Notes. The Company shall 

  

 -8- 

 
use its best efforts to negotiate all senior debt obligations to permit the payment of any Put Purchase Price as it becomes due. In the event that payments
under the Put Notes or payment of the Put Purchase Price would cause the Company to be in default of the terms of its senior indebtedness, such payments can be deferred until the earlier of (i) the first date on which Company could make such
payments without causing such a default and (ii) the third anniversary of the Put Notice Date. 
  
 6. NO IMPAIRMENT. The Company (a) will not permit the par value of any shares of stock receivable upon the exercise of this Warrant to exceed the amount payable therefor upon such exercise plus the amount deemed to
have been paid upon issuance of this Warrant, (b) will take all such action as may be necessary or appropriate in order that the Company may validly and legally issue fully paid and nonassessable shares of stock on the exercise of the Warrants from
time to time outstanding, (c) will not take any action which results in any adjustment of the Warrant Price if the total number of shares of Class A Common Stock issuable after the action upon the exercise of all of the Warrants would exceed the
total number of shares of Class A Common Stock then authorized by the Company’s certificate of incorporation and available for the purpose of issue upon such exercise. 
  
 7. REPORT AS TO ADJUSTMENTS. In each case of any adjustment or readjustment in the shares of Class A Common Stock issuable upon the exercise
of this Warrant, the Company at its expense will promptly compute such adjustment or readjustment in accordance with the terms of this Warrant and prepare a report setting forth such adjustment or readjustment and showing in reasonable detail the
method of calculation thereof and the facts upon which such adjustment or readjustment is based, including a statement of (a) the number of shares of Class A Common Stock outstanding or deemed to be outstanding, and (b) the Warrant Price in effect
immediately prior to such issue or sale and as adjusted and readjusted (if required by Section 4 hereof) on account thereof. The Company will forthwith mail a copy of each such report to each holder of a Warrant and will, upon the written request at
any time of any holder of a Warrant, furnish to such holder a like report setting forth the Warrant Price and the Trigger Price at the time in effect and showing in reasonable detail how it was calculated. The Company will also keep copies of all
such reports at its office maintained pursuant to Section 13.2(a) hereof and will cause the same to be available for inspection at such office during normal business hours by any holder of a Warrant or any prospective purchaser of a Warrant
designated by the holder thereof. 
  
 8. NOTICES OF CORPORATE ACTION. In the event
of 
  
 (a) any taking by the Company of a record
of the holders of any class of securities for the purpose of determining the holders thereof who are entitled to receive any dividend or other distribution, or any right to subscribe for, purchase or otherwise acquire any shares of stock of any
class or any other securities or property, or to receive any other right, or 
  
 (b) the declaration by the Company of any dividend payable in stock upon Common Stock Equivalents or any other distribution by the Company to the holders of Common Stock Equivalents, or 
  

 -9- 

 (c) the Company proposing to make an offer for subscription pro rata to the holders of
its Common Stock Equivalents of any additional shares of stock of any class or other rights, or 
  
 (d) any capital reorganization of the Company, any reclassification or recapitalization of the capital stock of the Company or any
consolidation or merger involving the Company and any other Person or any transfer of all or substantially all the assets of the Company to any other Person, or 
  
 (e) any voluntary or involuntary dissolution, liquidation or winding-up of the Company, or 
  
 (f) any other action of a type referred to in Section 4
hereof, 
  
 the Company will mail to each holder of a Warrant a notice specifying
(i) the date or expected date on which any such record is to be taken for the purpose of such dividend, distribution or right, and the amount and character of such dividend, distribution or right, and (ii) the date or expected date on which any such
reorganization, reclassification, recapitalization, consolidation, merger, transfer, dissolution, liquidation or winding-up is to take place, the time, if any such time is to be fixed, as of which the holders of record of Class A Common Stock shall
be entitled to exchange their shares of Class A Common Stock for the securities or other property deliverable upon such reorganization, reclassification, recapitalization, consolidation, merger, transfer, dissolution, liquidation or winding-up and a
description in reasonable detail of the transaction. Such notice shall be mailed at least 45 days prior to the date therein specified. At no time prior to the date therein specified shall the Company take any action which could prevent the exercise
or conversion of this Warrant in accordance with the terms hereof. 
  
 9.
REGISTRATION OF WARRANTS AND COMMON STOCK. If any shares of Class A Common Stock required to be reserved for purposes of exercise of this Warrant require registration with or approval of any governmental authority under any federal or state law
(including without limitation the Hart-Scott-Rodino Antitrust Improvements Act of 1976) before such shares may be issued upon exercise, the Company will, at its expense and as expeditiously as possible, use its best efforts to cause such shares to
be duly registered or approved, as the case may be. The shares of Class A Common Stock (and Other Securities) issuable upon exercise of this Warrant shall constitute Registrable Shares (as such term is defined in the Registration Rights Agreement).
Each holder of this Warrant shall be entitled to all of the benefits afforded to a holder of any such Registrable Shares under the Registration Rights Agreement. At any such time as the Class A Common Stock is listed on any national securities
exchange or quotation system, the Company will, at its expense, obtain promptly and maintain the approval for listing on each such exchange or system, upon official notice of issuance, the shares of Class A Common Stock issuable upon exercise of the
then outstanding Warrants and will use its best efforts to maintain the listing of such shares after their issuance at all times when the Class A Common Stock is so listed. 
  
 10. REORGANIZATION, CONSOLIDATION, MERGER, ETC. In case the Company after December 16, 1999 shall (a) effect a reorganization, (b)
consolidate with or merge with or into any other entity, or (c) transfer all or substantially all of its properties or assets to any other 

  

 -10- 

 
person or entity, then, in each such case, the holder of this Warrant, upon the exercise hereof as provided in Section 3 at any time after the consummation
of such reorganization, consolidation, merger or transfer, as the case may be, shall be entitled to receive, in lieu of the Class A Common Stock (or Other Securities) issuable upon such exercise prior to such consummation, the stock and other
securities and property (including cash) to which such holder would have been entitled upon such consummation if such holder had so exercised this Warrant immediately prior thereto, all subject to further adjustment thereafter as provided in Section
4 hereof. The Company shall not consummate any such reorganization, consolidation, merger or transfer unless the resulting, surviving or transferee entity, as the case may be, expressly agrees in writing, reasonably satisfactory to the holders of a
majority of the Warrants then outstanding, to fulfil the Company’s obligations under this Warrant and this Section 10. 
  
 11. PERFORMANCE OF OBLIGATIONS. The Company shall not, by amendment of its Articles of Incorporation or through any reorganization, transfer of assets, consolidation,
merger, issue or sale of securities or otherwise, avoid or take any action which would have the effect of avoiding the observance or performance of any of the terms to be observed or performed hereunder by the Company, but will at all times in good
faith assist in carrying out all of the provisions of this Warrant and in taking of all such action as may be necessary or appropriate in order to protect the rights of the Holder of this Warrant against dilution or other impairment to the extent
set forth in this Warrant. 
  
 12. RESERVATION OF STOCK, ETC. The Company will at
all times reserve and keep available, solely for issuance and delivery upon exercise of the Warrants, the number of shares of Class A Common Stock of each class from time to time issuable upon exercise of all Warrants at the time outstanding. All
shares of Class A Common Stock issuable upon exercise of any Warrants shall be duly authorized and, when issued upon such exercise, shall be validly issued, fully paid and nonassessable. 
  
 13. OWNERSHIP, TRANSFER AND SUBSTITUTION OF WARRANTS. 
  
 13.1. Ownership of Warrants. The Company may treat the person in whose name any Warrant is registered on the register
kept at the office of the Company maintained pursuant to Section 13.2(a) hereof as the owner and holder thereof for all purposes, notwithstanding any notice to the contrary, except that, if and when any Warrant is properly assigned in blank, the
Company may (but shall not be obligated to) treat the bearer thereof as the owner of such Warrant for all purposes, notwithstanding any notice to the contrary. A Warrant, if properly assigned, may be exercised by a new holder without a new Warrant
first having been issued. 
  
 13.2. Office; Transfer and
Exchange of Warrants. 
  
 (a) The Company
will maintain an office in Wayne, Pennsylvania where notices, presentations and demands in respect of this Warrant may be made upon it. Such office shall be maintained at 650 East Swedesford Road, Wayne, Pennsylvania 19087 until such time as the
Company shall notify the holders of the Warrants of any change of location of such office within the United States. 
  

 -11- 

 (b) The Company shall cause to be kept at its office maintained pursuant to Section
13.2(a) hereof a register for the registration and transfer of the Warrants. The names and addresses of holders of Warrants, the transfers thereof and the names and addresses of transferees of Warrants shall be registered in such register. The
Person in whose name any Warrant shall be so registered shall be deemed and treated as the owner and holder thereof for all purposes of this Warrant, and the Company shall not be affected by any notice or knowledge to the contrary. 
  
 (c) Upon the surrender of any Warrant, properly endorsed,
for registration of transfer or for exchange at the office of the Company maintained pursuant to Section 13.2(a) hereof, the Company at its expense will execute and deliver to or upon the order of the holder thereof a new Warrant or Warrants of like
tenor, in the name of such holder or as such holder (upon payment by such holder of any applicable transfer taxes) may direct, calling in the aggregate on the face or faces thereof for the number of shares of Common Stock called for on the face or
faces of the Warrant or Warrants so surrendered. 
  
 13.3.
Replacement of Warrants. Upon receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of any Warrant and, in the case of any such loss, theft or destruction of any Warrant held by a Person
other than a Purchaser or any institutional investor, upon delivery of indemnity reasonably satisfactory to the Company in form and amount or, in the case of any such mutilation, upon surrender of such Warrant for cancellation at the office of the
Company maintained pursuant to Section 13.2(a) hereof, the Company at its expense will execute and deliver, in lieu thereof, a new Warrant of like tenor and dated the date hereof. 
  
 14. DEFINITIONS. As used herein, unless the context otherwise requires, the following terms have the following respective meanings:

  
 Affiliate: Any Person directly or indirectly
controlling, controlled by or under direct or indirect common control with the Company (or other specified Person) and shall include (a) any Person who is an officer, director or beneficial holder of at least 10% of the outstanding capital stock of
the Company (or other specified Person), (b) any Person of which the Company (or other specified Person) or any officer or director of the Company (or other specified Person) shall, directly or indirectly, either beneficially own at least 10% of the
outstanding equity securities or constitute at least a 10% participant, and (c) in the case of a specified Person who is an individual, Members of the Immediate Family of such Person; provided, however, that the Investor shall not be an
Affiliate of the Company for purposes of this Agreement. 
  
 Arbitrator: As defined in Section 5.3(b). 
  
 Business Day: Any day other than a Saturday or a Sunday or a day on which commercial banking institutions in Boston, Massachusetts or New York, New York are authorized by law to be closed. Any reference to “days” (unless
Business Days are specified) shall mean calendar days. 
  

 -12- 

 Class A Common Stock: As defined in the introduction to this Warrant, such term to include any
stock into which such Class A Common Stock shall have been changed or any stock resulting from any reclassification of such Class A Common Stock. 
  
 Common Stock: Class A and Class B Common Stock, $0.01 par value per share, of the Company. 
  
 Common Stock Equivalents: Any class of common stock of the Company
which is entitled to share ratably with holders of Class A Common Stock in any distributions including distributions upon the liquidation, dissolution or winding-up of the Company, and any other class of common stock of the Company and/or stock of
any class into which these shares may hereafter be changed or any stock resulting from any reclassification of such common stock, provided that the number of such shares shall, for purposes of the Warrants, be deemed to equal the actual number of
shares of such Common Stock multiplied by the Sharing Ratio. 
  
 Company: As defined in the introduction to this Warrant and shall include any Person which shall succeed to or assume the obligations of the Company under the Warrant. 
  
 Convertible Securities: Any evidences of indebtedness, shares of stock (other than Class A Common Stock) or other
securities directly or indirectly convertible into or exchangeable for shares of Common Stock Equivalents. 
  
 Current Market Price: With respect to any security (or other asset), on any date specified herein, the average daily market price during the period
of the most recent 20 days, ending on such date, on which the national securities exchanges were open for trading, except that if no class of such security is then listed or admitted to trading on any national securities exchange or quoted in the
over-the-counter market, the Current Market Price shall be the fair value thereof determined in good faith by the Board of Directors of the Company as of the specified date. Notwithstanding the foregoing, in the event the Warrant is exercised in
connection with the Company’s initial public offering of such security or Common Stock Equivalents, the Current Market Price per share of such security or Common Stock Equivalents, as the case may be, shall be equal to the per share offering
price to the public of such security or Common Stock Equivalents, as the case may be, issued in the initial public offering. 
  
 Exercise Price: As defined in the introduction to this Warrant. 
  
 Expiration Date: As defined in the introduction to this Warrant. 
  
 Initial Warrant Price: As defined in Section 4.1 hereof. 

 
 IRR: Shall mean the internal annual rate of return, calculated in a
manner consistent with the “IRR” function in Microsoft Corporation’s Excel spreadsheet software (based on a year of twelve thirty-day months), realized (or deemed to be realized) by the Holder on its investment pursuant to the
Purchase Agreement in the Purchased Securities, such rate of return to be calculated on (i) the cash outflow consisting of the $22,000,000 paid for the Purchased Securities and (ii) the series of cash inflows consisting of all amounts realized (or
deemed to be realized) by the Holder in respect of the Purchased Securities. For purposes of such calculation, (A) the cash outflow and each cash inflow shall be deemed to have occurred on the last day of 

  

 -13- 

 
the calendar month in which it occurred, (B) except to the extent specifically provided herein, an amount shall not be treated as a cash inflow unless and
until actually received in cash, (C) securities that are traded on a national securities exchange or the NASDAQ Stock Market that are received in the sale of Purchased Securities shall (unless earlier sold for cash) be deemed to result in a cash
inflow on the Resale Day in an amount equal to the Current Market Price of such securities on such date, (D) Common Stock retained in a Liquidity Event shall (unless earlier sold for cash) be deemed to result in a cash inflow, on the later of (i)
the date of the Liquidity Event and (ii) if securities were received in the Liquidity Event, the Resale Day, in an amount equal to the Current Market Price of such Common Stock on such date, and (E) in the case of a Qualified Public Offering, upon
the Resale Day, the Holder shall be deemed to have realized a cash inflow equal to the Current Market Price of all Purchased Securities then held by it. 
  
 IRR Hurdle: Shall mean, as of the date the relevant event is consummated, the amount specified below for such date: 
  

				
	 Twelve Months Ended
 December
17,

	  	IRR Hurdle

	 
	 2000
	  	80	%
	 2001
	  	70	%
	 2002
	  	60	%
	 2003
	  	50	%
	 2004 and thereafter
	  	40	%

  
 Market Price:
As defined in Section 5.3(b). 
  
 Members of the Immediate
Family: As applied to any individual, means each parent, spouse, child, brother, sister or the spouse of a child, brother or sister of the individual, and each trust created for the benefit of one or more of such persons and each custodian of a
property of one or more such persons. 
  
 Options: Rights,
options or warrants to subscribe for, purchase or otherwise acquire either shares of Class A Common Stock or Convertible Securities, excluding rights, warrants and options granted on or after the Original Issue Date, to employees, officers,
directors or consultants of the Company or any subsidiary thereof pursuant to any stock option plan or agreement adopted by the Board of Directors. 
  
 Original Issue Date: Means the date on which any shares of Class B Common Stock, $0.01 par value per share, of the Company first were issued
pursuant to the Purchase Agreement. 
  
 Other Securities:
Any stock (other than Class A Common Stock) and other securities, property or assets of the Company or any other person (corporate or otherwise) which the holders of the Warrants at any time shall be entitled to receive, or shall have received, upon
the exercise of the Warrants, in lieu of or in addition to Class A Common Stock, or which at any time shall be issuable or shall have been issued in exchange for or in replacement of Class A Common Stock or Other Securities pursuant hereto or
otherwise. 
  

 -14- 

 Person: A corporation, an association, a partnership, an organization, a business, an individual,
a government or political subdivision thereof or a governmental agency. 
  
 Prime Rate: The rate of interest announced publicly by Fleet National Bank in Boston, Massachusetts, from time to time, as Fleet National Bank’s prime rate. 
  
 Proceeds: Shall mean cash proceeds realized (or deemed to be realized) by the Holder in respect of the sale of
Purchased Securities (or realized in respect of the sale of securities acquired in respect of the sale of Purchased Securities); provided, however, that (A) securities received by the Holder that are traded on a national securities exchange or the
NASDAQ Stock Market that are received in the sale of Purchased Securities shall (unless earlier sold for cash) be deemed to result in cash proceeds on the Resale Day in an amount equal to the Current Market Price of such securities on such date, (B)
Common Stock retained in a Sale Transaction shall (unless earlier sold for cash) be deemed to result in cash proceeds, on the later of (i) the date of the Sale Transaction and (ii) if securities were received in the Sale Transaction, the Resale Day,
in an amount equal to the Current Market Price of such Common Stock on such date, and (C) in the case of a Qualified Public Offering, upon the Resale Day, Parthenon shall be deemed to have realized Proceeds equal to the Current Market Price of all
Purchased Securities then held by it. 
  
 Proceeds
Threshold: Shall mean, as of the date that the relevant Proceeds amount is determined, the amount specified below for such date: 
  

				
	 Twelve Months Ended
 December
17

	  	 Proceeds
 Threshold

	 2000
	  	$	39,600,000
	 2001
	  	$	63,800,000
	 2002
	  	$	90,200,000
	 2003
	  	$	112,200,000
	 2004 and thereafter
	  	$	118,800,000

  
 Purchase
Agreement: Shall mean the Class B Common Stock and Warrant Purchase Agreement dated as of December 16, 1999 by and among the Company, the Holder, PCIP Investors, JMH Partners Corp., Shad Run Investments, L.P., TSG Co-Investors, L.L.C., The
Shattan Group, LLC, Thomas S. Shattan, Gregory E. Mendel and G. Kevin Fechtmeyer. 
  
 Purchased Securities: Shall mean the securities referred to as the Class B Common Stock and the Class B Warrants in the Purchase Agreement, together with any other securities of the Company issued upon
conversion thereof or in exchange therefor. 
  
 Purchaser:
As defined in the introduction to this Warrant. 
  
 Put
Notes: As defined in Section 5.4. 
  
 Put Notice: As
defined in Section 5.1. 
  
 Put Notice Date: As defined in
Section 5.1. 
  

 -15- 

 Put Purchase Price: As defined in Section 5.3(a). 
  
 Qualified Public Offering. Shall have the meaning provided in Section
1 of the Stockholders Agreement. 
  
 Realization Event: As
defined in Section 5.2. 
  
 Registration Rights Agreement:
The Registration Rights Agreement dated as of December 16, 1999, in the form of Exhibit J to the Purchase Agreement, as from time to time in effect. 
  
 Resale Day: Shall mean, (i) in the case of a Qualified Public Offering, any business day more than thirty days after the expiration of any
“underwriter’s lockup” or similar resale limitation in connection with such Qualified Public offering on any applicable securities held by Parthenon and (ii) in the case of a Sale Transaction other than a Qualified Public Offering the
tenth business day after the first date when all the relevant securities received in such Liquidity Event are traded on a national securities exchange or the NASDAQ Stock Market and freely salable under Rule 145 under the Securities Act of 1933, as
amended (or any successor rule), and not subject to any “pooling,” “tax-free reorganization” or similar contractual resale restrictions entered into in connection with the Sale Transaction. 
  
 Sale Transaction: Shall mean (i) any sale or series of sales by the
Holder of at least 90% of the Purchased Securities, whether by merger, consolidation, recapitalization, share exchange, redemption or otherwise, and (ii) any sale (or series of sales of assets resulting in) of all or substantially all the assets of
the Company; provided, however, that in the case of a series of sales, the Sale Transaction shall be deemed to occur on the date of the sale that results in Parthenon having sold at least 90% of such Purchased Securities, and in the case of a Sale
Transaction in which Parthenon receives securities in respect of the sale of Purchased Securities, the Resale Date. 
  
 Securities Act: The Securities Act of 1933, or any similar federal statute, and the rules and regulations thereunder, all as the same shall be in
effect at the time. 
  
 Sharing Ratio: With respect to a
Common Stock Equivalent, the ratio of (a) the distribution payable upon the liquidation and distribution of the Company on one share of such Common Stock Equivalent to (b) the distribution payable upon the liquidation and distribution of the Company
on one share of Class A Common Stock. 
  
 Stockholders
Agreement: The Stockholders Agreement dated as of December 16, 1999, in the form of Exhibit K to the Purchase Agreement, as from time to time in effect. 
  
 Trigger Price: As defined in Section 4.1(a). 
  
 Warrant Price: As defined in Section 4.1. 
  
 Warrants: As defined in the introduction to this Warrant. 
  

 -16- 

 15. REMEDIES. The Company stipulates that the remedies at law of the holder of this Warrant in the event of any default
or threatened default by the Company in the performance of or compliance with any of the terms of this Warrant are not and will not be adequate and that, to the fullest extent permitted by law, such terms may be specifically enforced by a decree for
the specific performance of any agreement contained herein or by an injunction against a violation of any of the terms hereof or otherwise. 
  
 16. NO RIGHTS OR LIABILITIES AS STOCKHOLDER. Nothing contained in this Warrant shall be construed as conferring upon the holder hereof any rights as a stockholder of the
Company or as imposing any obligation on such holder to purchase any securities or as imposing any liabilities on such holder as a stockholder of the Company, whether such obligation or liabilities are asserted by the Company or by creditors of the
Company. Notwithstanding the foregoing, the officers and Board of Directors of the Company shall have all fiduciary duties to the holder hereof which such officers and Board of Directors would have if the holder hereof held the shares of Class A
Common Stock obtainable upon the exercise hereof. 
  
 17. NOTICES. Any notice or
other communication in connection with this Warrant shall be deemed to be delivered if in writing (or in the form of a telex or telecopy to be given only during the recipient’s normal business hours unless arrangements have otherwise been made
to receive such notice by telex or telecopy outside of normal business hours) addressed as hereinafter provided and if either (x) actually delivered at said address or (y) in the case of a letter, seven Business Days shall have elapsed after the
same shall have been deposited in the United States mails, postage prepaid and registered or certified: (a) if to any holder of any Warrant, at the registered address of such holder as set forth in the register kept at the office of the Company
maintained pursuant to Section 13.2(a) hereof; or (b) if to the Company, to the attention of its President at its office maintained pursuant to Section 13.2(a) hereof; provided, however, that the exercise of any Warrant shall be
effective in the manner provided in Section 3 hereof. 
  
 18. MISCELLANEOUS. Any
term of this Warrant may be amended and the observance of any term of this Warrant may be waived (either generally or in a particular instance and either retroactively or prospectively) only with (i) the written consent of the Company and the Holder
or (ii) for all Warrants, the written consent of the Company and the holders of a majority of the Warrants then outstanding. This Warrant shall be construed and enforced in accordance with and governed by the domestic substantive laws of the
Commonwealth of Pennsylvania without giving effect to any choice or conflict of law provision or rule that would cause the application of the domestic substantive laws of any other jurisdiction. The section headings in this Warrant are for purposes
of convenience only and shall not constitute a part hereof. 
  
 [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK] 
  

 -17- 

 IN WITNESS WHEREOF, Kenexa Corporation has caused this Warrant to be signed by its duly authorized
officer under its corporate seal, attested by its duly authorized officer, and to be dated as of April 8, 2005. 
  
 [SEAL] 
  

			
	 KENEXA CORPORATION

		
	 By:
	 	 
	 Name:
	 	 
	 Title:
	 	 

  

 FORM OF SUBSCRIPTION 
  
 [To be executed only upon exercise of Warrant] 
  
 To KENEXA CORPORATION 
  
 The undersigned registered holder of the within Warrant hereby irrevocably exercises such Warrant for, and purchases thereunder,
                1 shares of
the Class A Common Stock and herewith makes payment of $                     therefor, and requests that the certificates for such shares be
issued in the name of, and delivered to                 , whose address is
                                        
            
                                        .

  

					
	 Dated:
	 	 	 	 
	 	 	 	 	(Signature must conform in all respects to name of holder as specified on the face of Warrant)
			
	 	 	 	 	 
	 	 	 	 	     (Street Address)

			
	 	 	 	 	 
	 	 	 	 	 (City)    (State)    (Zip Code)

	1	Insert here the number of shares called for on the face of this Warrant (or, in the case of a partial exercise, the portion thereof as to which this Warrant is being
exercised), in either case without making any adjustment for additional shares of Class A Common Stock or any other stock or other securities or property or cash which, pursuant to the adjustment provisions of this Warrant, may be delivered upon
exercise. In the case of a partial exercise, a new Warrant or Warrants will be issued and delivered, representing the unexercised portion of the Warrant, to the holder surrendering the Warrant. 

  

 FORM OF CONVERSION NOTICE 
  
 [To be executed only upon conversion of Warrant] 
  
 To KENEXA CORPORATION 
  
 The undersigned registered holder of the within Warrant hereby irrevocably converts such Warrant with respect to
                1 shares of
the Class A Common Stock which such holder would be entitled to receive upon the exercise hereof, and requests that the certificates for such shares be issued in the name of, and delivered to
                    , whose address is
                                        
        
                                . 
  

					
	 Dated:
	 	 	 	 
	 	 	 	 	(Signature must conform in all respects to name of holder as specified on the face of Warrant)
			
	 	 	 	 	 
	 	 	 	 	     (Street Address)

			
	 	 	 	 	 
	 	 	 	 	 (City)    (State)    (Zip Code)

	1	Insert here the number of shares called for on the face of this Warrant (or, in the case of a partial exercise, the portion thereof as to which this Warrant is being
exercised), in either case without making any adjustment for additional shares of Class A Common Stock or any other stock or other securities or property or cash which, pursuant to the adjustment provisions of this Warrant, may be delivered upon
exercise. In the case of a partial exercise, a new Warrant or Warrants will be issued and delivered, representing the unexercised portion of the Warrant, to the holder surrendering the Warrant. 

  

 FORM OF ASSIGNMENT 
  
 [To be executed only upon transfer of Warrant] 
  
 For value received, the undersigned registered holder of the within Warrant hereby sells, assigns and transfers unto
                                     the right represented by
such Warrant to purchase                     1 shares of Class A Common Stock of KENEXA CORPORATION to which such Warrant relates, and appoints
                                        
Attorney to make such transfer on the books of KENEXA CORPORATION maintained for such purpose, with full power of substitution in the premises. 
  

					
	 Dated:
	 	 	 	 
	 	 	 	 	(Signature must conform in all respects to name of holder as specified on the face of Warrant)
			
	 	 	 	 	 
	 	 	 	 	     (Street Address)

			
	 	 	 	 	 
	 Signed in the presence of:
	 	 	 	 
			
	 	 	 	 	 

	1	Insert here the number of shares called for on the face of this Warrant (or, in the case of a partial exercise, the portion thereof as to which this Warrant is being
exercised), in either case without making any adjustment for additional shares of Class A Common Stock or any other stock or other securities or property or cash which, pursuant to the adjustment provisions of this Warrant, may be delivered upon
exercise. In the case of a partial exercise, a new Warrant or Warrants will be issued and delivered, representing the unexercised portion of the Warrant, to the holder surrendering the Warrant.

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