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<tbody>
<tr class="odd">
<td></td>
<td colspan="40">OMB Approval #: 2700-0042</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="23">amendment of solicitation/</td>
<td colspan="13">1. CONTRACT ID CODE</td>
<td colspan="4">PAGE OF PAGES</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="23">modification of contract</td>
<td colspan="13"></td>
<td colspan="2">1</td>
<td colspan="2">2</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="12">2. AMENDMENT/MODIFICATION NO.</td>
<td colspan="8">3. EFFECTIVE DATE</td>
<td colspan="11">4. REQUISITION/PURCHASE REQ. NO.</td>
<td colspan="9">5. PROJECT NO. <em>(If applicable)</em></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="12">Five (5)</td>
<td colspan="8">3-24-00</td>
<td colspan="11">N/A</td>
<td colspan="9"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="8">6. ISSUED BY</td>
<td colspan="4">CODE</td>
<td colspan="8"><strong>211</strong></td>
<td colspan="12">7. ADMINISTERED BY <em>(If other than Item 6)</em></td>
<td colspan="3">CODE</td>
<td colspan="5"><strong>211</strong></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="20"><p>NASA/Goddard Space Flight Center</p>
<p>Karen M. Smith</p>
<p>Code 211 ADP Procurement Branch</p>
<p>Greenbelt, Maryland 20771</p></td>
<td colspan="20"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40">8. NAME AND ADDRESS OF CONTRACTOR <em>(No., street,
county, State, and Zip Code)</em></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40"><p><strong>Ms. Diane Whitmoyer</strong></p>
<p><strong>Intellisource Information Systems, Inc.</strong></p>
<p><strong>1595 Spring Hill Road</strong></p>
<p><strong>Suite 100</strong></p>
<p><strong>Vienna, VA 22182</strong></p></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="6">CODE</td>
<td colspan="14"></td>
<td colspan="5">FACILITY CODE</td>
<td colspan="15"></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="4">(x)</td>
<td colspan="16">9A. AMENDMENT OF SOLICITATION NO.</td>
<td colspan="20">9B. DATED <em>(SEE ITEM 11)</em></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="4"></td>
<td colspan="16"></td>
<td colspan="20">4/12/94444</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="4"></td>
<td colspan="16">10A. MODIFICATION OF CONTRACT/ORDER NO.</td>
<td colspan="20">10B. DATED <em>(SEE ITEM 13)</em></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="4"><strong>X</strong></td>
<td colspan="16"><strong>NAS5-98145</strong></td>
<td colspan="20"><strong>June 22, 1998</strong></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40">11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF
SOLICITATIONS</td>
<td></td>
</tr>
<tr class="even">
<td colspan="2"></td>
<td></td>
<td colspan="26">The above numbered solicitation is amended as set forth
in Item 14. The hour and date specified for receipt of Offers</td>
<td colspan="2"></td>
<td colspan="6">is extended,</td>
<td></td>
<td colspan="4">is not extended.</td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40">Offers must acknowledge receipt of this amendment prior
to the hour and date specified in the solicitation or as amended, by one
of the following methods:</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="13"></td>
<td colspan="2"></td>
<td colspan="24"></td>
<td colspan="2"></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="13">(a) By completing Items 8 and 15, and returning</td>
<td colspan="2"></td>
<td colspan="24">copies of the amendment; (b) By acknowledging receipt
of this amendment on each copy of the offor</td>
<td colspan="2"></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40">submitted; or (c) By separate letter or telegram which
includes a reference to the solicitation and amendment numbers. FAILURE
OF YOUR ACKNOWLEDGEMENT TO</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40">BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF
OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION
OF</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40">YOUR OFFER. If by virtue of this amendment you desire
to change an offer already submitted, such change may be made by
telegram or letter, provided each telegram</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40">or letter makes reference to the solicitation and this
amendment, and is received prior to the opening hour and date
specified.</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40">12. ACCOUNTING AND APPROPRIATION DATA <em>(If
required)</em></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40"><strong>B/NC: 038 PPC: BX</strong></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40"><p>13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
CONTRACTS/ORDERS,</p>
<p>IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM
14.(x)</p></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="5">(x)</td>
<td colspan="35">A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: 52.243-1,
Changes, Fixed Price (Aug. THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN
THE</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="5"></td>
<td colspan="35">CONTRACT ORDER NO. IN ITEM 10A.</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="5"></td>
<td colspan="35">B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying
office,</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="5"></td>
<td colspan="35">Appropriation date, etc.) SET FORTH IN ITEM 14,
PURSUANT TO THE AUTHORITY OF FAR 43.103(b).</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="5"></td>
<td colspan="35">C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT
TO AUTHORITY OF:</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="5"><h5 id="x">X</h5></td>
<td colspan="35"><strong>52.212-4, Contract Terms and Conditions –
Commercial Items, paragraph (C), Changes</strong></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="5"></td>
<td colspan="35">d. OTHER <em>(Specify type of modification and
authority)</em></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="5"><h1 id="section"> </h1></td>
<td colspan="35"></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="7"></td>
<td colspan="3"></td>
<td colspan="3"></td>
<td colspan="2"></td>
<td colspan="9"></td>
<td colspan="2"></td>
<td colspan="14"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="9"><strong>E. IMPORTANT:</strong> Contractor</td>
<td colspan="2"></td>
<td colspan="7">is not,</td>
<td><strong>x</strong></td>
<td colspan="8">is required to sign this document and return</td>
<td colspan="2">3</td>
<td colspan="11">copies to the issuing office.</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40">14. description of amendment/modification
<em>(Organized by UCF section headings, including solicitation/contract
subject matter where feasible.)</em></td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="40"><h1 id="section-1"></h1>
<h1
id="the-purpose-of-this-modification-is-to-incorporate-the-changes-shown-on-the-following-pages.">The
purpose of this modification is to incorporate the changes shown on the
following pages.</h1>
<p>Accordingly,</p></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="40">Except as provided herein, all terms and conditions of
the document referenced in Item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="20">15A. NAME AND TITLE OF SIGNER <em>(Type or
print)</em></td>
<td colspan="20">16A. NAME AND TITLE OF CONTRACTING OFFICER <em>(Type or
print)</em></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="20">Diane K. Whitmoyer, CPCM Director, Contracts
&amp;Pricing</td>
<td colspan="20">Karen M. Smith</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="16">15B. CONTRACTOR/OFFEROR</td>
<td colspan="4">15C. DATE SIGNED</td>
<td colspan="14">16B. UNITED STATES OF AMERICA</td>
<td colspan="6">16C. DATE SIGNED</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="3"></td>
<td colspan="11"><em>Original signed by</em></td>
<td colspan="2"></td>
<td colspan="4">12/10/99</td>
<td colspan="2">BY</td>
<td colspan="11"><em>Original signed by</em></td>
<td></td>
<td colspan="6">3/24/00</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td colspan="16"><em>(Signature of person authorized to sign)</em></td>
<td colspan="4"></td>
<td colspan="14"><em>(Signature of Contracting Officer)</em></td>
<td colspan="6"></td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td colspan="17"><p>NSN 7540-01-152-8070</p>
<p>PREVIOUS EDITION UNUSABLE</p></td>
<td colspan="4">30-105</td>
<td colspan="19"><p><strong>STANDARD FORM 30</strong> (Rev. 10-83)</p>
<p>Prescribed by GSA</p>
<p>FAR (48 CFR) 53.243</p></td>
<td></td>
</tr>
</tbody>
</table>

Modification 5

NAS5-98145

Page 2 of 2

1.  In order to correct an inconsistency in the contract, the last
    sentence of Section F.1.1.3 CUSTOMER SATISFACTION METRIC is deleted
    in its entirety and replaced with the following:

The primary measure is the percent of respondents who choose a score of
"Very Good" or "Excellent". The Contractor shall use the following
scale: Poor -- Fair -- Good -- Very Good -- Excellent.

2.  The sentence in bold is added to Section G.1 CATALOG OF SERVICES AND
    COMMERCIAL COMPONENTS as the second sentence:

\"The ODIN catalog of services . . . standard seat configuration. **In
order to meet Government inter-operability and security requirements,
the ability to use the catalog to augment non-ODIN seats will be defined
and authorized in each Delivery Order.** Reference Section C.5.7, . .
.\"