Exhibit
10.99
 
 Exhibit 10.99 AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1 CONTRACT ID CODE  Page 1 of 2 2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUI SITION/PURCHASE REQ. NO. 5. PROJECT NO.  (If applicable)  0026 4/08/2009 6. ISSUED BY CODE 00001 7. ADMINISTERED BY  (If other than Item 6)  CODE FCC /Contracts and Purchasing Center 445 12th St., SW, Washington, DC 20554 8 NAME AND ADDRESS OF CONTRACTOR  (No street county State and Zip Code)  9A. A
MENDMENT OF SOLICITATION NO. Neustar, Inc. 9B. DATED  (SEE ITEM 11)  46000 Center Oak Plaza Sterling VA20166 /v\ 10A. MODIFICATION OF CONTRACT/ORDER NO. CON03000016  (X) 1 0B. DATED  (SEE 13) ITEM  CODE * (facility code 1 1 . THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS rn The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers I is extended, is not extended. 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: (a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF
 OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF 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 or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified. 12. ACCOUNTING AND APPROPRIATION DATA  (If required)  No Funding Information 13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFI
ES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14. CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO. IN ITEM 10A.  D - D B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b). -  D C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED IN
TO PURSUANT TO AUTHORITY OF: -  Ef D. OTHER  (Specify type of modification and authority)  FAR 1 .6, Authority of the Contracting Officer   E. IMPORTANT: Contractor | X | is not, | is required to sign this document and return copies to the issuing office. 14. DESCRIPTION OF AMENDMENT/MODI FICATION  (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)  The purpose of this modification is to accept and incorpo
rate Change Order Proposal (COP) Number 17 into the contract. COP #17 is accepted at a price of $4,361.94. A copy of the respective COP is attached. Funding will be via NANP funding and will be paid by FCC Billing & Collection Agent, Welch, LLP | | | | 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. }  | | | | 15A. NAME AND TITLE OF SIGNER (Type  or print)  16A.
 NAME AND TITLE OF CONTRACTING OFFICER  (Type or print)  Anthony Wimbush  15B. CONTRACTOR/OFFEROR 15C. DATE SIGNED 16B. Unilbd States of Americazx . . Tar jj T 16C. DATE SIGNED t 0 ry vytffa*^  A .   wUwJo^-o-^   04/08/2009   (Signature
of pe




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Line Item
    
    Document Number
    
    Title
    
    PageSummary
    
    CON03000016/0026
    
    NANP Administrator
    
    2 of 2
 Line Item
    
    
    
    Delivery Date
    
    
    
    Unit ofNumber
    
    Description
    
    (Start date to End date)
    
    Quantity
    
    Issue
    
    Unit Price
    
    Total Cost
 Questions may be addressed to Tony Wimbush @ anthony.wimbush@fcc.gov.
  Previous Total: 
Modification Total:Grand Total:




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NANP Administration Services
 Scope of Work Change Proposal #17
 INC Issue 613: Notification of a Service Provider
 Missing the Part 4 Due Date
  NeuStar, Inc.
    
    46000 Center Oak PlazaSterling, VA 20166




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Table of Contents
 1 Introduction
    
    
    11.1 Purpose and Scope
    
    
    11.2 Modification of Guidelines
    
    
    12 Proposed Industry Numbering Committee (INC) Scope of Work Change
    
    
    23 NeuStars Proposed Solution
    
    
    24 Assumptions and Risks
    
    
    35 Cost Assumptions and Summary
    
    
    46 Conclusion
    
    
    4
 NeuStar, Inc. 2009
    
    iii




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1 Introduction
 1.1 Purpose and Scope
 1
  1.2 Modification of Guidelines
  2
  
 1
    
    Contract Number CON03000016 and the NANPA Technical Requirements Document, March 2003.2
    
    NANPA Technical Requirements Document, March 2003, Section 2.10, Modification of Guidelines. NeuStar, Inc. 2009
    
    1




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2
    
    Proposed Industry Numbering Committee (INC) Scope of
Work Change
  
    
    Issue 613: Notification of a Service Provider Missing the Part 4 Due Date
  A)
    
    ISSUE STATEMENTCurrently, the guidelines direct the NANPA and PA to send a reminder notice to SPs
if a Part 4 has not been received during the first 5 months after a code/block
effective date. Once the SP misses the Part 4 due date, there is no notice sent to
the SP advising them that they can no longer enter the Part 4 in PAS/ NAS, but must
now submit a Manual Part 4 to the appropriate regulatory authority. This is causing
SPs to have blocks and codes on the reclamation list that they are not aware of due
to an oversight.B)
    
    FOLLOWING RESOLUTION FROM INC
 COCAG
 8.2.3
    
    If a Part 4 has not been received by the Administrator by the Part 4 due date, then the
Administrator will send, via facsimile/electronic mail, a notice to the code
assignee. The notice will be sent on the first day that the Part 4 will no longer be
accepted in NAS, and will direct the assignee to do one of the following
immediately:
 
    
    If the code is in service, submit a manual Part 4 to
the FCC or appropriate state commission regulatory authority.
    
    If the code is no longer
needed or not in service, return the blockcode(s)
that the SP has retainee by submitting a Part 1
A to the PA via PAS.
    
    Or request an extension from the appropriate regulatory authority per Section 8.1.
 8.2.4
    
    If there are active or pending LNP ports
for any TNs within the NXX code which is being
returned/reclaimed, the CO Code Administrator shall
use the process outlined in Appendix C.
 3        NeuStars Proposed Solution
  NeuStar, Inc. 2009
    
    2




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4 Assumptions and Risks
  Assumptions:
 
    
    Service providers must indicate their desire to receive notices concerning central office
code reclamation by updating their NAS user profile (i.e.,
subscribing to Reclamations and
including the appropriate area codes and OCNs in their profile).
    
    Those service providers presently receiving the Part 4 reminder notice (sent five months
after the code effective date if no Part 4 has been submitted)
will desire to receive the new
notification.
    
    The new notification will indicate to the service provider that the Part 4 must be submitted
to the appropriate regulatory authority. The appropriate regulatory authority could either be the
state regulatory commission or the Federal Communications Commission (FCC). The
service provider should know which organization is responsible for central office
reclamations for a particular state.
    
    INC Issue 613 also requires the Pooling Administrator to send a notice to the service
provider when the service provider is no longer able to submit the Part 4 for a one thousand
block via the Pooling Administration System (PAS). It is assumed that the required changes
in PAS to introduce this new notification will take place at or near the same time as the
implementation in NAS.
 Risks:
 
    
    Service providers that fail to select the Reclamation resource subscription or fail to keep
their NAS profile active will not receive the Part 4 reminder notification or the new
notification.
    
    In response to receiving the new notification, a service provider may immediately attempt to
submit the Part 4 into NAS. NAS will not permit the Part 4 submission. This may result in
some confusion or frustration on the part of the service provider until it becomes more
familiar with this new Part 4 notice.
 NeuStar, Inc. 2009
    
    3




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5 Cost Assumptions and Summary
  6 Conclusion
  NeuStar, Inc. 2009
    
    4