Document:

MODIFICATION AGREEMENT No. 2 TO
                                PROMISSORY NOTES

This  MODIFICATION  AGREEMENT No. 2 is made as of June 1, 2005 between  Infinite
Group, Inc., a Delaware corporation with offices at 595 Blossom Road, Suite 309,
Rochester, NY 14610 ("Borrower") and Northwest Hampton Holdings, LLC, a New York
limited  liability  company with an address at 6640 Golf View Rise,  Victor,  NY
14564 ("NWHH").

WHEREAS,  NWHH is the holder of eight (8) Promissory Notes originally  issued by
the Borrower to Northeast Hampton Holdings,  LLC ("NEHH"),  as described in more
detail in the attached Schedule A (collectively, the Notes); and

WHEREAS,  NEHH has  assigned  the Notes to NWHH  pursuant  to an  Assignment  of
Promissory Notes dated December 1, 2004; and

WHEREAS,  NWHH and the  Borrower  are  parties to a  Modification  Agreement  to
Promissory  Notes dated December 1, 2004 pursuant to which,  among other things,
the parties  agreed that the holder shall have the right in its sole  discretion
upon  written  notice to the  Borrower  at any time after  September  1, 2005 to
convert all or part of the principal amount of the Notes,  together with accrued
and unpaid interest,  for common stock of the Borrower at the conversion rate of
$.05  per  share,   as  adjusted  to  reflect   stock   splits,   distributions,
recapitalizations, etc.; and

WHEREAS, the parties desire to modify the terms and conditions of the Promissory
Notes as follows:

NOW, THEREFORE, the parties agree as follows:

      1)    The Notes and each of them are modified to provide that the holder
            shall have the right in its sole discretion upon written notice to
            the Borrower at any time after November 30, 2005 to convert all or
            part of the principal amount of the Notes, together with accrued and
            unpaid interest, for common stock of the Borrower at the conversion
            rate of $.05 per share, as adjusted to reflect stock splits,
            distributions, recapitalizations, etc.

      2)    Except as modified by this Agreement, all of the terms, covenants
            and conditions of the Notes shall remain the same.

In witness whereof, Borrower and NWHH have executed this Agreement under the day
and year first written above.

INFINITE GROUP, INC.

-----------------------------------------
By: Michael S. Smith, President

NORTHWEST HAMPTON HOLDINGS, LLC

---------------------------------
By: James A. Villa, President

<PAGE>

                   PROMISSORY NOTES OF INFINITE GROUP, INC.
                 IN FAVOR OF NORTHEAST HAMPTON HOLDINGS, LLC

Holder                       Principal Amt                       Date

Northeast Hampton

Holdings, LLC                  $100,000                        1/16/03
Northeast Hampton
Holdings, LLC                  $100,000                        7/17/03
Northeast Hampton
Holdings, LLC                  $    800                        9/10/03
Northeast Hampton
Holdings, LLC                  $  3,000                        11/5/03
Northeast Hampton
Holdings, LLC                  $ 40,000                        11/6/03
Northeast Hampton
Holdings, LLC                  $ 50,000                       11/21/03
Northeast Hampton
Holdings, LLC                  $  2,000                        1/30/04
Northeast Hampton
Holdings, LLC                  $ 22,000                        3/11/04MODIFICATION AGREEMENT No. 2 TO
                                PROMISSORY NOTES

This  MODIFICATION  AGREEMENT No. 2 is made as of June 1, 2005 between  Infinite
Group, Inc., a Delaware corporation with offices at 595 Blossom Road, Suite 309,
Rochester,  NY 14610 ("Borrower") and Allan Robbins,  an individual  residing at
1575 Bayshore Boulevard, Rochester, NY 14622 (the "Lender").

WHEREAS,  the Lender is the  holder of eight (8)  Convertible  Promissory  Notes
issued  by the  Borrower  to the  Lender,  as  described  in more  detail in the
attached Schedule A (collectively, the Notes); and

WHEREAS, the Lender and the Borrower are parties to a Modification  Agreement to
Promissory  Notes dated December 1, 2004 pursuant to which,  among other things,
the parties  agreed that the holder shall have the right in its sole  discretion
upon  written  notice to the  Borrower  at any time after  September  1, 2005 to
convert all or part of the principal amount of the Notes,  together with accrued
and unpaid interest,  for common stock of the Borrower at the conversion rate of
$.05  per  share,   as  adjusted  to  reflect   stock   splits,   distributions,
recapitalizations, etc.; and

WHEREAS, the parties desire to modify the terms and conditions of the Promissory
Notes as follows:

NOW, THEREFORE, the parties agree as follows:

      1)    The Notes and each of them are modified to provide that the holder
            shall have the right in its sole discretion upon written notice to
            the Borrower at any time after November 30, 2005 to convert all or
            part of the principal amount of the Notes, together with accrued and
            unpaid interest, for common stock of the Borrower at the conversion
            rate of $.05 per share, as adjusted to reflect stock splits,
            distributions, recapitalizations, etc.

      2)    Except as modified by this Agreement, all of the terms, covenants
            and conditions of the Notes shall remain the same.

In witness  whereof,  Borrower and the Lender have executed this Agreement under
the day and year first written above.

INFINITE GROUP, INC.

-----------------------------------------
By: Michael S. Smith, President

---------------------------------
Allan Robbins

<PAGE>

             CONVERTIBLE PROMISSORY NOTES OF INFINITE GROUP, INC.

                            IN FAVOR OF ALLAN ROBBINS

Holder                       Principal Amt                       Date

Allan Robbins                  $  25,000                       2/25/03
Allan Robbins                  $  15,000                       4/15/03
Allan Robbins                  $  60,000                       4/25/03
Allan Robbins                  $  40,000                       5/22/03
Allan Robbins                  $  60,000                        7/2/03
Allan Robbins                  $  40,000                       12/4/03
Allan Robbins                  $    4,000                       1/2/04
Allan Robbins                  $  70,000                       2/26/04ExpressJet Holdings, INC.

	
Exhibit 10.1

	
Third Amendment to

 Employee Benefits Separation Agreement

            This Third Amendment to Employee Benefits Separation Agreement (this “Amendment”), dated June 24, 2005 but effective as of December 30, 2004, is by and among Continental
Airlines, Inc., a Delaware corporation (“Continental”), ExpressJet Holdings, Inc., a Delaware corporation (“ExpressJet Holdings”), XJT Holdings, Inc., a Delaware corporation and a wholly owned subsidiary of ExpressJet Holdings
(“XJT Holdings”), and ExpressJet Airlines, Inc., a Delaware corporation and a wholly owned subsidiary of XJT  Holdings (“ExpressJet Airlines”).

            WHEREAS, Continental, ExpressJet Holdings, XJT Holdings and ExpressJet Airlines, are parties to that certain Employee Benefits Separation Agreement dated as of April 17, 2002 (as amended to date,
the “Separation Agreement”) and desire to amend the Separation Agreement as more fully set forth herein;

NOW, THEREFORE, the parties hereby agree as follows:

1.         Subsection 3.1 (c) shall be deleted from the Separation Agreement in its entirety and replaced by the following:

“Release for CARP related Obligations.  Continental agrees to release ExpressJet Holdings, XJT Holdings and ExpressJet Airlines from any obligations associated with the continued accrual of benefits under CARP.”

2.         A new section, 4.4 Release for Continental 401(k) Savings Plan Related Obligations, shall be added to the Separation Agreement and shall read:

           

“Continental agrees to release ExpressJet Holdings, XJT Holdings and ExpressJet Airlines from any financial obligations associated with the Continental 401(k) Savings Plan.”

            As consideration for such changes, Continental acknowledges the payment of $586,000 by ExpressJet Holdings to Continental in full and final satisfaction of the above releases.

            Capitalized terms used herein and not defined shall have the meanings given to such terms in the Separation Agreement.  Except as specifically amended hereby, the Separation Agreement shall
remain in full force and effect and is ratified in all respects by the parties hereto.

            IN WITNESS WHEREOF, the parties have caused this Amendment to be duly executed as of the date first above written.

	
CONTINENTAL AIRLINES, INC.

 

	
  

	
EXPRESSJET AIRLINES, INC.

 

	
By:  /s/Mark Erwin                              

 Name:  Mark Erwin

 Title:  Senior Vice President

           Corporate Development

		
By:  /s/Frederick S. Cromer               

 Title:  Vice President and Chief Financial Officer

	

                                                                                           

		
			
	
XJT HOLDINGS, INC.

 

		
EXPRESSJET AIRLINES, INC.

 

	
By:  /s/Frederick S. Cromer               

 Title:  Vice President and Chief Financial Officer

		
By:  /s/Frederick S. Cromer               

 Title:  Vice President and Chief Financial OfficerExpressJet Holdings, Inc.

	
Exhibit 10.2

AMENDMENT No. 32 TO PURCHASE AGREEMENT No. GPJ-003/96

This Amendment No. 32 (“Amendment 32”) dated as of May 31, 2005 is between EMBRAER - Empresa Brasileira de Aeronáutica S.A. (“EMBRAER”) and ExpressJet Airlines, Inc., formerly known as New ExpressJet Airlines, Inc. (as assignee from ExpressJet Airlines, Inc. formerly known as Continental Express, Inc.) (“BUYER”), collectively hereinafter referred to as the “PARTIES”, and
relates to Purchase Agreement No. GPJ-003/96, as amended from time to time together with its Attachments (collectively referred to as the “Base Agreement”) and Letter Agreements GPJ-004/96 dated August 5, 1996 and PCJ-004A/96 dated August 31, 1996 between
EMBRAER and BUYER as amended from time to time (together with the Base Agreement, collectively referred to herein as the “Purchase Agreement” or the "Agreement") for the purchase of up to two hundred and forty five (245) new EMB-145 aircraft (the
“AIRCRAFT”).

All terms defined in the Purchase Agreement shall have the same meaning when used herein, and in case of any conflict between this Amendment 32 and the Purchase Agreement, this Amendment shall control.

WHEREAS, BUYER and EMBRAER wish to amend the Purchase Agreement to (a) include changes in the configuration of the AIRCRAFT and (b) reschedule the delivery months for Reconfirmation AIRCRAFT, all as more fully set forth below;

NOW, THEREFORE, for good and valuable consideration the receipt and sufficiency of which are acknowledged by the PARTIES, EMBRAER and BUYER hereby agree to amend the Purchase Agreement as follows:

1.         Removal of  [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]

Each EMB 145 XR AIRCRAFT from XR072 and all subsequent EMB 145 XR AIRCRAFT shall have the [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] deleted from its
configuration.  The [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] XR072 and all subsequent EMB 145 XR AIRCRAFT.

2.         Amendment to Reconfirmation AIRCRAFT Delivery Schedule

The text of paragraph a.8 of Article 5 of the Purchase Agreement is hereby deleted and replaced with the following:

a.8.      RECONFIRMATION AIRCRAFT Deliveries

BUYER has the option to purchase up to one hundred (100) additional XR AIRCRAFT (the "Reconfirmation AIRCRAFT") in accordance with the terms of this Agreement. Such Reconfirmation AIRCRAFT shall be exercised by BUYER in four groups of

twenty-five (25) AIRCRAFT each (the “Reconfirmation Groups”) as provided for in the table below (“Reconfirmation Delivery Schedule”). Each option for such Reconfirmation Group shall be exercised no later [CONFIDENTIAL MATERIAL OMITTED
AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] prior to the [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT]  The Reconfirmation AIRCRAFT shall be delivered in accordance with the following schedule, provided that all terms and conditions of this Article 5a.8 have been satisfied:

	

Reconfirmation

 Group

	
XR

 Aircraft

	
Delivery

 Month

	
Reconfirmation

 Group

	
XR

 Aircraft

	
Delivery

 Month

	
 

	
[CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]

		
[CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]

	
 

	
		
	
Group 1

	
Group 2

	
 

	
	
 

	
	
 

	
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
	
 

	
	
 

	
	
 

	
	
 

	
		
	
Group 3

	
Group 4

	
 

	
	
 

	
	
 

	
	
 

	
	
 

	
		
		
		
		
		

If BUYER exercises its option to purchase the Reconfirmation AIRCRAFT as described above, a [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT] deposit of
[CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].is

due and payable for each Reconfirmation Aircraft in such Reconfirmation Group on the date the option is exercised for the respective Reconfirmation Group.  [CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]  EMBRAER will give the BUYER notice of the Contractual Delivery Date of each Reconfirmation Aircraft for which the Buyer has exercised its option in accordance with the terms of this Article at least 30 days
prior to the first business day of the relevant above referred to delivery month.  Upon BUYER’s exercise of its option with respect to the Reconfirmation AIRCRAFT, each Reconfirmation AIRCRAFT so reconfirmed shall be considered an XR AIRCRAFT for all
purposes under the Agreement."

3.         AIRCRAFT BASIC PRICE

As a result of the change in the AIRCRAFT configuration and in the AIRCRAFT BASIC PRICE specified in this Amendment 32, the AIRCRAFT BASIC PRICE will be:

	
AIRCRAFT

 

	
BASIC PRICE (Jan/1996 US Dollars)

 

	
 

	
	
[CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]

	
[CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]

All other terms and conditions of the Purchase Agreement, which are not specifically amended by this Amendment 32, shall remain in full force and effect without any change.

[Intentionally left blank] 

IN WITNESS WHEREOF, EMBRAER and BUYER, by their duly authorized officers, have entered into and executed this Amendment No. 32 to the Purchase Agreement to be effective as of the date first written above.

	
EMBRAER - Empresa Brasileira

 de Aeronáutica S.A.

 

	
   

	
EXPRESSJET AIRLINES, INC.

	
By:  /s/ Satoshi Yokota                       

 Name:  Satoshi Yokota

 Title:  Executive Vice President

           Development and Industry

		
By:  /s/Frederick S. Cromer               

 Title:  Vice President and Chief Financial Officer

	
 

		
	
By:  /s/ JoséLuis Molina                    

 Name:  José Luis Molina

 Title:  Director of Contracts Airline Market

 

		
			
 

	
Date:  May 31, 2005

 Place:  Saõ José Dos Campos, SP

		
Date:  June 14, 2005

 Place:  Houston, TX

		
 

	
	
Witness:  /s/Erika L. Natali                

 Name:  Erika Lulai Natali

 

		
Witness:  /s/Kristy A. Nicholas          

 Name:  Kristy A. Nicholas

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