Exhibit 10.27
EXECUTION COPY
Amendment Agreement
This Amendment Agreement (the "Amendment") is made as of November 5, 2007 and
amends the letter agreement dated January 31, 2005 (the "Letter Agreement")
between you and IHS Inc. (the "Company"), containing the terms and conditions of
your employment with the Company.
1. Section 7 of the Letter Agreement is hereby amended to delete Section 7(a)
and to add the following new Section 7(a):
"7. Termination of Employment (Non-Change in Control). Subject to Section 9 and
Section 13:
(a) Resignation for Good Reason or Termination Without Cause. If you terminate
your employment for Good Reason (as defined below)1 or you are terminated by the
Company without Cause (as defined below) at any time during the Term, including
by the Company giving you notice that it does not want the Term to be extended
as provided in Section 1, you will receive a lump-sum cash payment equal to the
sum of:
(i)any earned but unpaid Base Salary or other amounts (including reimbursable
expenses and any vested amounts or benefits owing under or in accordance with
the Company's otherwise applicable employee benefit plans or programs, including
retirement plans and programs) accrued or owing through the date of termination;
(ii)an amount equal to 1.5 times the sum of (x) your then Base Salary and (y)
your Target Bonus for the fiscal year of such termination; and
(iii)your Target Bonus for the fiscal year of such termination, prorated for the
number of days that have elapsed during such year.

In addition to the foregoing lump-sum payment:
(w)the Company will continue your participation in the Company's medical, dental
and vision plans (or if you are ineligible to continue to participate under the
terms thereof, in substitute arrangements adopted by the Company providing
substantially comparable benefits) for the 18-month period following the date of
such termination;
(x)vesting of unvested stock options, restricted stock and other equity awards
then held by you will be determined in accordance with the terms and conditions
of the applicable equity compensation plan under which each such Equity Grant is
granted;
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(y)outplacement services during the 6-month period following
such termination provided by a service provider selected by the. Company for the
benefit of the executive officers of the Company; and
(z)you will be credited with 2 additional years for the purposes
of each of the age and service requirements of any non-qualified retirement
related employee benefit plans, programs and arrangements maintained by the
Company and/or its Affiliates in which you participated at the time of such
termination."
2. Section 8 of the Letter Agreement is hereby amended to delete Section 8(a)
from the word "(a) General." through subsection "(z) you will be credited with
two additional years ..., in which you participated at the time of such
termination." and to add the following new language in its place:
"8.    Change in Control. Subject to Section 9 and Section 13:
(a)    General. If there is a Change in Control (as defined below)
and, within 15 months of such Change in Control, you terminate your employment
for CIC Good Reason (as defined below) or you are terminated by the Company
without Cause, you will receive a lump-sum cash payment equal to the sum of:
(i)any earned but unpaid Base Salary or other amounts (including reimbursable
expenses and any vested amounts or benefits owing under or in accordance with
the Company's otherwise applicable employee benefit plans or programs, including
retirement plans and programs) accrued or owing through the date of termination;
(ii)an amount equal to 2 times the sum of (x) your then Base Salary, and (y)
your Target Bonus for the fiscal year of such termination; and
(iii)your Target Bonus for the fiscal year of such termination, prorated for the
number of days that have elapsed during such year.
In addition to the foregoing lump-sum payment:
(w)the Company will continue your participation in the
Company's medical, dental and vision plans (or if you are ineligible to continue
to participate under the terms thereof, in substitute arrangements adopted by
the Company providing substantially comparable benefits), for the 24-month
period following the date of such termination;
(x)all unvested stock options, restricted stock and other equity
awards then held by you will fully vest and become exercisable as of the
effective date of such termination;
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(y)outplacement services during the 6-month period following such termination
provided by a service provider selected by the COmpany for the benefit of the
executive officers of the Company; and
(z)you will be credited with 2 additional years for the purposes of each of the
age and service requirements of any non-qualified retirement related employee
benefit plans, programs and arrangements maintained by the Company and/or its
Affiliates, in which you participated at the time of such termination."
3.
The definition of "CIC Good Reason" in Section 8(a) is hereby amended to delete
the word "status" therefrom.

4.
Section 10(b) is hereby amended to delete the definition of "Restricted Period"
and to add the following new definition of "Restricted Period":

"For purposes of this Letter Agreement, "Restricted Period" means the longer of
(i) the 1-year period following termination of your employment, or (ii) in the
event you receive payments pursuant to Sections 7(a), the 18-month period
following termination of your employment, or (iii) in the event you receive
payments pursuant to Section 8(a), the 2-year period following termination of
your employment."
5.
The following is added as a new Section 13 to the Letter Agreement:

Timing and Form of Payments under Sections 7 and 8. All payments due to you
under Sections 7 or 8 above shall be made no later than two and one-half months
following your separation from service unless the following provisions
pertaining to specified employees applies to you. You are likely to be a
specified employee (as defined in Treas. Reg. §1.409A-1(i)) as of the date of a
separation from service. All payments to be made to you under Sections 7 or 8
may not be made before the date that is six months after the date of separation
from service (or, if earlier than the end of the six-month period, the date of
your death). For this purpose, if you are not a specified employee as of the
date of a separation from 'service, you will not be treated as subject to this
requirement even if you would have become a specified employee if you had
continued to provide services through the next specified employee effective
date. Similarly, if you are treated as a specified employee as of the date of a
separation from service, you will be subject to this requirement even if you
would not have been treated as a specified employee after the next specified
employee effective date had you continued providing services through the next
specified employee effective date.
4.
The existing Section 13 of the Letter Agreement is renumbered Section 14.

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7. Exhibit A is hereby deleted and the following is substituted as Exhibit A:
EXHIBIT A
FULL AND COMPLETE RELEASE
I, Jane Okun, in consideration for the payment of the severance described in my
Letter Agreement dated 11/5/07, for myself and my heirs, executors,
administrators and assigns, do hereby knowingly and voluntarily' release and
forever discharge IHS Inc. (the "Company") and its respective predecessors,
successors and affiliates and current and former directors, officers and
employees from any and all claims, actions and causes of action, including, but
not limited to, those relating to or arising from my employment or separation of
employment with the Company, including, but not limited to, under those federal,
state and local laws and those applicable laws of any other jurisdiction
prohibiting employment discrimination based on age, sex, race, color, national
origin, religion, disability, veteran or marital status, sexual orientation or
any other protected trait or characteristic, or retaliation for engaging in any
protected activity, including without limitation, the Age Discrimination in
Employment Act of 1967, 29 U.S.C. § 621 et seq., as amended by the Older Workers
Benefit Protection Act, P.L. 101-433, the Equal Pay Act of 1963, 9 U.S.C. § 206,
et seq., Title VII of The Civil Rights Act of 1964, as amended, 42 U.S.C. §
2000e et seq., the Civil Rights Act of 1866, 42 U.S.C. § 1981, the Civil Rights
Act of 1991, 42 U.S.C. § 1981a, the Americans with Disabilities Act, 42 U.S.C. §
12101, et seq., the Rehabilitation Act of 1973, 29 U.S.C. § 791 et seq., the
Family and Medical Leave Act of 1993, 28 U.S.C. §§ 2601 and 2611 et seq.,
whether KNOWN OR UNKNOWN, fixed or contingent, which I ever had, now have, or
may have, or which my heirs, executors, administrators or assigns hereafter can,
will or may have from the beginning of time through the date on which I sign
this Full and Complete Release (this "Release") (collectively the "Released
Claims").
I warrant and represent that I have made no sale, assignment or other transfer,
or attempted sale, assignment or other transfer, of any of the Released Claims.
I fully understand and agree that:
1.
this Release is in exchange for severance payment to which
I would otherwise not be entitled;

2.
no rights or claims are released or waived that may arise
after the date this Release is signed by me;

3.
I am here advised to consult with an attorney before signing
this Release;

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4.
I have 21 days from my receipt of this Release within which to consider whether
or not to sign it;

5.
I have 7 days following my signature of this Release to revoke the Release; and

6.
this Release will not become effective or enforceable until the revocation
period of 7 days has expired.

If I choose to revoke this Release, I must do so by notifying the Company in
writing. This written notice of revocation must be mailed by U.S. first class
mail or by U.S. certified mail within the 7 day revocation period and addressed
as follows:
IHS Inc.
15 Inverness Way East
Englewood, CO 80112
Attention: President
This Release is the complete understanding between me and the Company in respect
of the subject matter of this Release and supersedes all prior agreements
relating to the same subject matter. I have not relied upon any representations,
promises or agreements of any kind except those set forth herein in signing this
Release.
In the event that any provision of this Release should be held to be invalid or
unenforceable, each and all of the other provisions of this Release will remain
in full force and effect. If any provision of this Release is found to be
invalid or unenforceable, such provision will be modified as necessary to permit
this Release to be upheld and enforced to the maximum extent permitted by law.
This Release is to be governed and enforced under the laws of the State of
Colorado (except to the extent that Colorado conflicts of law rules would call
for the application of the law of another jurisdiction).
This Release inures to the benefit of the Company and its successors and
assigns.
I have carefully read this Release, fully understand each of its terms and
conditions, and intend to abide by this Release in every respect. As such, I
knowingly and voluntarily sign this Release.
8. Except as expressly amended herein, the Letter Agreement remains in full
force and effect in accordance with its terms.
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IHS INC.
 
 
 
 
By:
/s/ Jeff Sisson
 
 
 
Title:
Sr VP Human Resources
 
 
 
 
 
Accepted and Agreed:
 
 
 
 
/s/ Jane L. Okun
 
 
 
 
Employee Name: Jane Okun