Document:

Amendment No. 1 to Credit Agreement, dated as of April 4, 2007

 Exhibit 10.1 
 EXECUTION VERSION 
  

 
 AMENDMENT NO. 1 

dated as of December 8, 2011 
 to 
 CREDIT AGREEMENT 

dated as of April 4, 2007 
 between 
 NYSE EURONEXT, 

The SUBSIDIARY BORROWERS Party Hereto, 
 The LENDERS Party Hereto 
 and 

JPMORGAN CHASE BANK, N.A. 
 as Administrative Agent 
  

 
 J.P. MORGAN
SECURITIES LLC, 
 CITIGROUP GLOBAL MARKETS INC. 
 and 
 MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED, 

as Joint Lead Arrangers and Joint Bookrunners for Amendment No. 1 

CITIBANK, N.A. 

and 
 BANK OF
AMERICA, N.A., 
 as Syndication Agents for Amendment No. 1 

 
  

 AMENDMENT NO. 1 
 AMENDMENT NO. 1 (this “Amendment No. 1”), dated as of December 8, 2011, to the Credit Agreement referred to below, between NYSE EURONEXT (the “Company”), the
lenders party hereto and JPMORGAN CHASE BANK, N.A., as Administrative Agent. 
 The Company, the Subsidiary Borrowers party
thereto, the Lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (the “Administrative Agent”), are parties to a Credit Agreement dated as of April 4, 2007 (as amended and in effect
immediately prior to giving effect to this Amendment No. 1, the “Credit Agreement”), providing, subject to the terms and conditions thereof, for extensions of credit to be made by or on behalf of said Lenders to the Borrowers
in an aggregate principal or face amount not exceeding $2,000,000,000 immediately prior to the effectiveness of this Amendment No. 1, under which as of the date hereof there are no extensions of credit outstanding and the Company is the only
Borrower. The Company, the Lenders party hereto and the Administrative Agent wish to modify the Credit Agreement as set forth in this Amendment No. 1 and, accordingly, the parties hereto hereby agree as follows: 

Section 1. Definitions. Except as otherwise defined in this Amendment No. 1, terms defined in the Credit Agreement are
used herein as defined therein. References in the Credit Agreement to “this Agreement” (and indirect references such as “hereunder”, “hereby”, “herein” and “hereof”) shall be deemed to be references
to the Credit Agreement as modified hereby. 
 Section 2. Extension Amendments. Effective as of the Extension
Amendment Effective Date (as defined in Section 6.1 below), the Credit Agreement is hereby amended as follows (the amendments to the Credit Agreement under this Section 2 being herein referred to as the “Extension
Amendments”): 
 2.1. Defined Terms. Section 1.01 of the Credit Agreement is hereby amended by amending the
following definitions (to the extent already included in said Section 1.01) and inserting the following definitions in the appropriate alphabetical location (to the extent not already included in said Section 1.01): 

“Amendment No. 1” means that certain Amendment No. 1 dated as of
December 8, 2011 to this Agreement, among the Company, the Lenders party thereto and the Administrative Agent. 
 “Amendment No. 1 Effective Date” means the date on which the conditions specified in Section 6.1 of Amendment No. 1 are satisfied. 

“Amendment No. 1 Extending Lender” means each Lender that has agreed pursuant to Amendment
No. 1 to be an Amendment No. 1 Extending Lender. 
 “Amendment No. 1 Lender
Addendum” means the Amendment No. 1 Addendum in a form satisfactory to the Administrative Agent and the Company and furnished to the Lenders in connection with Amendment No. 1. 

“Amendment No. 1 Non-Extending Lender” means each Lender that is not an Amendment No. 1
Extending Lender. 
 “Applicable Rate” means, for each day: (a) with respect to the
Non-Extended Revolving Loans or the Non-Extended Commitments, the applicable rate per annum set forth under the heading “Eurocurrency Spread”, “Facility Fee Rate” or “Letter of Credit Fee Rate”, respectively, in the
Original Pricing Grid based upon the applicable S&P Rating and/or Moody’s Rating on such date; and (b) with respect to the Extended Revolving Loans or the Extended Commitments, the applicable rate per annum set forth under the heading
“Eurocurrency Spread”, “Facility Fee Rate” or “Letter of Credit Fee Rate”, respectively, in the Extended Pricing Grid (together with the 

 
Original Pricing Grid, each a “Pricing Grid”) based upon the applicable S&P Rating and/or Moody’s Rating on such date. For purposes of the foregoing, (i) if either
S&P or Moody’s shall not have in effect a S&P Rating or Moody’s Rating, as the case may be (other than by reason of the circumstances referred to in the last sentence of this definition), then the Applicable Rate under the relevant
Pricing Grid shall be based upon the remaining rating, (ii) if the S&P Rating and the Moody’s Rating shall fall within different Categories under a Pricing Grid, the Applicable Rate thereunder shall be based on the higher of the two
ratings unless one of the two ratings is two or more Categories lower than the other, in which case the Applicable Rate shall be determined by reference to the Category next below that of the higher of the two ratings, and (iii) if the S&P
Rating and the Moody’s Rating established or deemed to have been established by S&P and Moody’s, respectively, shall be changed (other than as a result of a change in the rating system of S&P or Moody’s), such change shall be
effective as of the date on which it is first announced by the applicable rating agency. Each change in the Applicable Rate shall apply during the period commencing on the effective date of such change and ending on the date immediately preceding
the effective date of the next such change. If the rating system of S&P or Moody’s shall change, or if either such rating agency shall cease to be in the business of rating corporate debt obligations, the Company and the relevant Lenders
shall negotiate in good faith to amend this definition to reflect such changed rating system or the unavailability of ratings from such rating agency and, pending the effectiveness of any such amendment, the Applicable Rate shall be determined by
reference to the rating most recently in effect prior to such change or cessation. 
 “Commitment
Termination Date” means (a) with respect to the Non-Extended Commitments, the Original Commitment Termination Date, (b) with respect to the Extended Commitments, the Extended Commitment Termination Date or (c) with respect to
any Lender the Commitment of which has been extended pursuant to Section 2.19, the date to which such Lender’s Commitment has been so extended. 
 “Extended Availability Period” means the period from and including the Amendment No. 1 Effective Date to but excluding the earlier of the Extended Commitment Termination Date and the
date of termination of the Extended Commitments. 
 “Extended Commitment” means, with respect to
each Amendment No. 1 Extending Lender, its Commitment. 
 “Extended Commitment Termination
Date” means July 31, 2012 (or if such day is not a Business Day, the immediately preceding Business Day). 
 “Extended Pricing Grid” means the following pricing grid: 
  

													
	 S&P/Moody’s
 Rating
	  	Eurocurrency
Spread	 	 	Facility
Fee Rate	 	 	Letter of Credit
Fee Rate	 
	 Category 1

A+/A1 or higher
	  	 	0.635	% 	 	 	0.04	% 	 	 	0.635	% 
	 Category 2

A/A2
	  	 	0.675	% 	 	 	0.05	% 	 	 	0.675	% 
	 Category 3

A-/A3
	  	 	0.715	% 	 	 	0.06	% 	 	 	0.715	% 
	 Category 4

< A-/A3 or unrated
	  	 	0.755	% 	 	 	0.07	% 	 	 	0.755	% 

  
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 “Extended Revolving Loans” means the Revolving Loans made
by the Amendment No. 1 Extending Lenders pursuant to Section 2.01(b). 
 “Non-Extended
Commitment” means, with respect to each Amendment No. 1 Non-Extending Lender, its Commitment. 

“Non-Extended Revolving Loans” means the Revolving Loans made by the Amendment No. 1 Non-Extending
Lenders pursuant to Section 2.01(a). 
 “Original Availability Period” means the period
from and including the Effective Date to but excluding the earlier of the Original Commitment Termination Date and the date of termination of the Non-Extended Commitments. 

“Original Commitment Termination Date” means April 4, 2012 (or if such day is not a Business
Day, the immediately preceding Business Day). 
 “Original Pricing Grid” means the following
pricing grid: 
  

													
	 S&P/Moody’s
 Rating
	  	Eurocurrency
Spread	 	 	Facility
Fee Rate	 	 	Letter of Credit
Fee Rate	 
	 Category 1

A+/A1 or higher
	  	 	0.11	% 	 	 	0.04	% 	 	 	0.11	% 
	 Category 2

A/A2
	  	 	0.15	% 	 	 	0.05	% 	 	 	0.15	% 
	 Category 3

A-/A3
	  	 	0.19	% 	 	 	0.06	% 	 	 	0.19	% 
	 Category 4

< A-/A3 or unrated
	  	 	0.23	% 	 	 	0.07	% 	 	 	0.23	% 

 “Tranche” means, when used in reference to any Lender, Commitment,
Revolving Loan or Borrowing, refers to whether such Lender is an Amendment No. 1 Non-Extending Lender or an Amendment No. 1 Extending Lender, such Commitment is a Non-Extended Commitment or an Extended Commitment, such Revolving Loan is a
Non-Extended Revolving Loan or an Extended Revolving Loan or such Borrowing consists of Non-Extended Revolving Loans or Extended Revolving Loans. 
 2.2. Commitments. Section 2.01 of the Credit Agreement is hereby amended and restated in its entirety to read as follows: 

“SECTION 2.01 The Commitments. 
 (a) Subject to the terms and conditions set forth herein, each Amendment No. 1 Non-Extending Lender agrees to make Revolving Loans in Dollars or any Agreed Foreign Currency to the Borrowers from time
to time during the Original Availability Period in an aggregate principal amount that will not result in (i) such Lender’s Revolving Credit Exposure exceeding such Lender’s Commitment or (ii) the sum of the total Revolving Credit
Exposures plus the aggregate principal amount of outstanding Competitive Loans exceeding the total Commitments. 
 (b) Subject to the terms and conditions set forth herein, each Amendment No. 1 Extending Lender agrees to make Revolving Loans in Dollars or any Agreed Foreign Currency to the Borrowers from time to
time during the Extended Availability Period in an aggregate principal amount that will not result in (i) such Lender’s Revolving Credit Exposure exceeding such Lender’s Commitment or (ii) the sum of the total Revolving Credit
Exposures plus the aggregate principal amount of outstanding Competitive Loans exceeding the total Commitments. 

  
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 (c) Within the foregoing limits and subject to the terms and conditions set
forth herein, each Borrower may borrow, prepay and reborrow Revolving Loans. 
 (d) Notwithstanding anything
herein to the contrary, so long as any Non-Extended Commitment shall be in effect, the Borrowers will not borrow Revolving Loans of one Tranche unless it shall simultaneously borrow Revolving Loans of the other Tranche and, in the case of
Eurocurrency Loans, in the same Currency and with the same Interest Period, in an aggregate amount such that the Revolving Loan made by each Lender on the occasion of such borrowing shall equal its Applicable Percentage of the aggregate amount
borrowed.” 
 2.3. Loans and Borrowings. Section 2.02(e) of the Credit Agreement is hereby amended and restated
in its entirety to read as follows: 
 “(e) Limitations on Interest Periods. Notwithstanding any
other provision of this Agreement, no Borrower shall be entitled to request (or to elect to convert or continue) any Eurocurrency Borrowing if the Interest Period requested therefor would end after (i) at any time prior to the Original
Commitment Termination Date, the Original Commitment Termination Date or (ii) thereafter, the Extended Commitment Termination Date.” 
 2.4. Competitive Bid Procedure. Section 2.04(a) of the Credit Agreement is hereby amended by replacing the words “during the Availability Period” with the words “prior to the
termination of the Commitments”. 
 2.5. Letters of Credit. Section 2.05 of the Credit Agreement is hereby
amended as follows: 
 A. Section 2.05(a) is hereby amended by replacing the words “during the Availability
Period” in the first sentence thereof with the words “prior to the termination of the Commitments”. 
 B.
Section 2.05(c) is hereby amended by inserting a new sentence at the end thereof to read as follows: 

“Notwithstanding any provision in this Agreement to the contrary, at no time prior to the Original Commitment Termination Date shall
the sum of the total LC Exposure with respect to Letters of Credit that expire after the fifth Business Day prior to the Original Commitment Termination Date plus (without duplication) the total Revolving Credit Exposure of the Amendment
No. 1 Extending Lenders plus the aggregate principal amount of outstanding Competitive Loans made by the Amendment No. 1 Extending Lenders exceed the aggregate amount of the Extended Commitments.” 

C. Section 2.05(d) is hereby amended and restated in its entirety to read as follows: 

“(d) Expiration Date. Each Letter of Credit shall expire at or prior to the close of business on the earlier
of (i) the date twelve months after the date of the issuance of such Letter of Credit (or, in the case of any renewal or extension thereof, twelve months after the then-current expiration date of such Letter of Credit, so long as such renewal
or extension occurs within three months of such then-current expiration date) and (ii) the date that is five Business Days prior to the Original Commitment Termination Date; provided that Letters of Credit may expire after the date
specified in clause (ii) above so long as (x) the date of issuance of such Letter of Credit is 

  
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after the Original Commitment Termination Date or (y) on the date of such issuance, the sum of (1) the face amount of such Letter of Credit plus (2) the aggregate undrawn
amount of all other outstanding Letters of Credit with an expiration date after the fifth Business Day prior to the Original Commitment Termination Date plus (3) (without duplication) the sum of the total Revolving Credit Exposure of the
Amendment No. 1 Extending Lenders plus the aggregate principal amount of outstanding Competitive Loans made by the Amendment No. 1 Extending Lenders, shall not exceed the aggregate amount of the Extended Commitments;
provided, further, that in no event shall any such Letter of Credit expire later than five Business Days prior to the Extended Commitment Termination Date.” 
 D. Section 2.05(e) is hereby amended by inserting a new paragraph at the end thereof to read as follows: 
 “Notwithstanding anything contained herein or in any other Loan Document to the contrary, unless the Commitments shall theretofore have terminated pursuant to Article VII, as of the Original
Commitment Termination Date, the interests and participations of the Amendment No. 1 Non-Extending Lenders in the Letters of Credit (if any) then outstanding shall automatically terminate, whereupon (i) the Amendment No. 1
Non-Extending Lenders shall have no liability arising from, relating to or in connection with such interests and participations or otherwise in respect of such Letters of Credit and (ii) such interests and participations in such Letters of
Credit shall automatically and without further action be re-allocated to the extent necessary such that the interests and participations in such Letters of Credit hereunder shall be held by the Amendment No. 1 Extending Lenders ratably in
proportion to their respective Extended Commitments.” 
 2.6. Change of Commitments. Section 2.08 of the Credit
Agreement is hereby amended as follows: 
 A. Section 2.08(a) is hereby amended and restated in its entirety to read as
follows: 
 “(a) Scheduled Termination. Unless previously terminated, (i) the Non-Extended
Commitments shall terminate on the Original Commitment Termination Date and (ii) the Extended Commitments shall terminate on the Extended Commitment Termination Date.” 

B. Section 2.08(b) is hereby amended by inserting a new sentence at the end thereof to read as follows: 

“For avoidance of doubt, at any time prior to the Original Commitment Termination Date each reduction of the Commitments shall be
applied ratably to the Non-Extended Commitments and the Extended Commitments.” 
 2.7. Repayment of Loans.
Section 2.09(a) of the Credit Agreement is hereby amended by inserting the word “applicable” immediately prior to the words “Commitment Termination Date” in the first sentence thereof. 

2.8. Prepayment of Loans. Section 2.10 of the Credit Agreement is hereby amended by inserting a new paragraph (d) at the
end thereof to read as follows: 
 “(d) Treatment of Tranches. Notwithstanding anything herein to the
contrary, at any time prior to the Original Commitment Termination Date and the repayment in full of all Non-Extended Revolving Loans, with respect to any optional or mandatory prepayment of Revolving Loans under this Section, such prepayment shall
be applied ratably between the Non-Extended Revolving Loans and the Extended Revolving Loans.” 

  
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 2.9. Fees. 
 A. Section 2.11(a) of the Credit Agreement is hereby amended by (i) inserting the words “for the relevant Tranche” immediately following the words “Applicable Rate” in the
first sentence thereof; (ii) inserting the words “of such Tranche” immediately following the words “Commitment of such Lender” in the first sentence thereof; and (iii) inserting the words “of the relevant
Tranche” immediately following the first and second places the words “the Commitments” are used in the second sentence thereof. 
 B. Section 2.11(b) of the Credit Agreement is hereby amended by (i) inserting the words “and attributable to such Lender’s Commitment of any Tranche” immediately following the
words “such Borrower” in the third line thereof; (ii) inserting the words “of such Tranche” immediately following the words “Revolving Eurocurrency Loans” in the fifth line thereof; and (iii) inserting the
words “of any Tranche” immediately following each place the word “Commitments” is used in the proviso to the second sentence thereof. 
 C. Section 2.11 of the Credit Agreement is hereby amended by inserting a new paragraph (e) at the end thereof to read as follows: 

“(e) Supplemental Extension Fees. The Company agrees to pay to the Administrative Agent for the account of
each Amendment No. 1 Extending Lender a supplemental extension fee, which shall accrue at a per annum rate of 0.025% on the amount of the Extended Commitment of such Amendment No. 1 Extending Lender (whether used or unused) for each day
during the period from and including the Amendment No. 1 Effective Date to but excluding the date on which such Extended Commitment terminates; provided that, if such Amendment No. 1 Extending Lender continues to have any Revolving
Credit Exposure after its Extended Commitment terminates, then such fee shall continue to accrue on the daily amount of such Lender’s Revolving Credit Exposure from and including the date on which its Extended Commitment terminates to but
excluding the date on which such Lender ceases to have any Revolving Credit Exposure. Accrued supplemental extension fees shall be payable on each Quarterly Date and on the earlier of the date the Extended Commitments terminate and the Extended
Commitment Termination Date, commencing on the first such date to occur after the Amendment No. 1 Effective Date; provided that any such fees accruing after the date on which the Extended Commitments terminate shall be payable on demand.
All supplemental extension fees shall be computed on the basis of a year of 360 days and shall be payable for the actual number of days elapsed (including the first day but excluding the last day).” 

2.10. Interest. Section 2.12 of the Credit Agreement is hereby amended as follows: 

A. Section 2.12(d) is hereby amended by inserting the words “of the relevant Tranche” immediately after the words
“ABR Loans” in clause (x) thereof. 
 B. Section 2.12(e) is hereby amended by (i) inserting the words
“of any Tranche” immediately following the words “Revolving Loans” in the second line thereof and (ii) inserting the words “of the relevant Tranche” immediately following the word “Commitments” in the
third line thereof. 

  
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 2.11. Notices. Section 9.01(a)(i) of the Credit Agreement is hereby amended and
restated in its entirety to read as follows: 
 “(i) if to the Borrowers, to the Company at NYSE Euronext,
11 Wall Street, New York, New York 10005, Attention of Philippe Matsumoto, Senior Vice President & Group Treasurer, Telephone No. (212) 656-4128; Telecopy No. (212) 656-4399, with a copy to Attention of Janet McGinness, Senior
Vice President & Corporate Secretary, Telephone No. (212) 656-2039; Telecopy No. (212) 656-8101;”. 

2.12. Commitment Reductions, Etc. 
 A. Effective as of the Extension Amendment Effective Date, to the extent the aggregate amount of the Commitments of the Amendment No. 1 Extending Lenders shall exceed $1,200,000,000, (notwithstanding
anything in Section 2.17(c)(i) of the Credit Agreement to the contrary) the Commitments of the Amendment No. 1 Extending Lenders shall be reduced by an aggregate amount equal to such excess as of the Extension Amendment Effective Date
(which reduction shall be applied ratably among such Lenders, except to the extent any such Lender has agreed with the Company not to participate in such reduction), such that, after giving effect to such reduction, the aggregate amount of the
Extended Commitments of all the Amendment No. 1 Extending Lenders of such date shall be equal to $1,200,000,000. For avoidance of doubt, (subject to Section 4 below) the Commitment of any Amendment No. 1 Non-Extending Lender as of the
Extension Amendment Effective Date shall not be reduced and shall remain unchanged and in effect as of such date. Schedule 2.12 to this Amendment No. 1 sets forth the Commitments of the Amendment No. 1 Extending Lenders (after
giving effect to such reductions) and the Amendment No. 1 Non-Extending Lenders, in each case as of the Extension Amendment Effective Date (and subject to Section 4 below, as applicable). 

B. In order to facilitate the reductions of Commitments and the prepayment of Loans (if any) contemplated by this Amendment No. 1 to
be made as of the Extension Amendment Effective Date, the Required Lenders hereby waive the requirements under the Credit Agreement (i) with respect to the giving of any notice (and/or minimum amount or effective date) with respect to any such
reductions or any increases of the Commitments under Section 2.08(c) of the Credit Agreement on or about such date and (ii) with respect to the giving of any prior notice (and/or minimum amount) of any prepayments of Loans that will be
made as of such date. 
 2.13. Designation of Subsidiary Borrowers. Section 2.20(a) of the Credit Agreement is
hereby amended by inserting a new sentence at the end thereof to read as follows: “Notwithstanding anything herein to the contrary, if, within 5 Business Days after receiving notice from the Administrative Agent of the Company’s request to
designate a Foreign Subsidiary as a Borrower pursuant to this Section, any Lender shall notify the Company and the Administrative Agent in writing to the effect that such Lender may not legally lend to, establish credit for the account of and/or do
any business with such Foreign Subsidiary directly or indirectly through an Affiliate, such request shall be deemed to be withdrawn by the Company and have no further effect.” 

Section 3. Change of Control Amendments. Effective as of the Change of Control Amendment Effective Date (as defined in
Section 6.2 below), the Credit Agreement is hereby amended as follows (the amendments to the Credit Agreement under this Section 3 being herein referred to as the “Change of Control Amendments”): 

3.1. Definition of Change of Control. The definition of “Change of Control” in Section 1.01 of the Credit Agreement
is hereby amended and restated in its entirety to read as follows: 
 “Change of Control” means
(a) at all times prior to the DB Combination, (i) the acquisition of beneficial ownership, directly or indirectly, by any Person or group (within the meaning of the Securities Exchange Act of 1934 and the rules of the SEC thereunder as in
effect on the date hereof), of shares representing more than 35% of the aggregate ordinary voting power 

  
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represented by the issued and outstanding capital stock of the Company; or (ii) occupation of a majority of the seats (other than vacant seats) on the board of directors of the Company by
Persons who were neither (x) nominated by, or whose election was approved by, the board of directors of the Company nor (y) appointed by directors so nominated or elected; and (b) at all times from and after the DB Combination,
(i) the acquisition of beneficial ownership, directly or indirectly by any Person or group (within the meaning of the Securities Exchange Act of 1934 and the rules of the SEC thereunder as in effect on the date hereof), of shares representing
more than 35% of the aggregate ordinary voting power represented by the issued and outstanding capital stock of the Parent; (ii) occupation of a majority of the seats (other than vacant seats) on the board of directors of the Parent by Persons
who were neither (x) nominated by, or whose election was approved by, the board of directors of the Parent nor (y) appointed by directors so nominated or elected; or (iii) the Parent ceasing to own, directly or indirectly, 100% of the
aggregate ordinary voting power represented by the issued and outstanding capital stock of Company; it being understood that neither the consummation of the Combination (or any part thereof) nor the consummation of the DB Combination (or any part
thereof) shall be deemed to be a Change of Control.” 
 3.2. Other Defined Terms. Section 1.01 of the Credit
Agreement is hereby amended by amending the following definitions (to the extent already included in said Section 1.01) and inserting the following definitions in the appropriate alphabetical location (to the extent not already included in said
Section 1.01): 
 “DB” means Deutsche Börse AG. 

“DB Combination” means the combination of the businesses of the Company and DB under the Parent pursuant
to the terms of the DB Combination Agreement, and transactions related thereto that are disclosed in the Company’s Proxy Statement Prospectus filed with the SEC on May 12, 2011. 

“DB Combination Agreement” means the Business Combination Agreement dated as of February 15, 2011 by
and among the Company, DB, the Parent and Pomme Merger Corporation. 
 “Parent” means the
Netherlands company (currently named Alpha Beta Netherlands Holdings N.V.) that, upon consummation of the DB Combination, is the immediate parent company of the Company and the shares of which are publicly traded. 

“Total Stockholders’ Equity” means total consolidated stockholders’ equity of the Company and
its Subsidiaries, determined on a consolidated basis in accordance with GAAP; provided that, at any time after the consummation of the DB Combination, “Total Stockholders’ Equity” shall mean total consolidated
stockholders’ equity of the Company and its Subsidiaries (including the operations of the Group as well as the impact of the DB Combination), excluding any incremental goodwill (whether positive or negative) and other intangibles (net of
related deferred tax liabilities) recognized as a result of the DB Combination, determined on a consolidated basis in accordance with GAAP. 
 3.3. Section 5.01(b) of the Credit Agreement is hereby amended by inserting at the end of such Section, immediately prior to the semi-colon, the following: 

“provided that, for each such fiscal quarter ending after the consummation of the DB Combination, the Company will furnish to
the Administrative Agent the condensed consolidated balance sheet and related statement of operations of the Group as of the end of and for such fiscal quarter, together with a certificate of by a Financial Officer of the Company (x) certifying
that 

  
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such financial statements present fairly in all material respects the financial condition and results of operations of the Group on a consolidated basis in accordance with GAAP and
(y) demonstrating in reasonable detail the Company’s compliance with Section 6.03, it being understood that such financial statements will (i) be unaudited and include the operations of the Group as well as the impact of the DB
Combination, (iii) be extracted from the consolidation packages prepared in connection with the preparation of the consolidated financial statements of the Parent for such fiscal quarter and shall therefore be prepared using substantially the
same internal accounting and consolidation procedures as those used for the preparation of such consolidated financial statements of the Parent and (iv) be prepared in accordance with GAAP and reflect all adjustments, consisting of normal
recurring adjustments, that are, in the opinion of management of the Company, necessary for a fair statement of the results of the Group for such fiscal quarter);”. 
 3.4. Section 6.01 of the Credit Agreement is hereby amended by: (i) deleting the word “and” at the end of clause (j) thereof; (ii) replacing the period at the end of
clause (k) thereof with “; and”; and (iii) inserting a new clause (l) at the end of such Section to read as follows: 
 “(l) any incidental Liens in connection with the DB Combination.” 
 3.5.
Section 6.02 of the Credit Agreement is hereby amended by; (i) deleting the word “and” at the end of clause (e) thereof; (ii) replacing the period at the end of clause (f) thereof with “; and”;
and (iii) inserting a new clause (g) at the end of such Section to read as follows: 
 “(g) the
Significant Group Members may effect the DB Combination.” 
 Section 4. Termination of LCPI Commitment.
Effective as of the LCPI Commitment Termination Date (as defined in Section 6.3 below), the Credit Agreement is hereby modified as follows (the modifications to the Credit Agreement under this Section 4 being herein referred to as the
“LCPI Commitment Termination Amendments”): 
 4.1. The Company, the Required Lenders and Lehman Commercial
Paper Inc. (“LCPI”) (which, in the case of LCPI, shall consent hereto by executing and delivering a counterpart of this Amendment No. 1 or otherwise an instrument in form and substance satisfactory to the Administrative Agent)
hereby agree (and waive any provisions of the Credit Agreement to the extent necessary to permit) that on the LCPI Commitment Termination Date (as defined in Section 6.3 below): 

(a) the Commitment of LCPI in the amount of $166,666,666.67 (the “LCPI Commitment”) shall be terminated
in full (but without a pro rata reduction or termination of the Commitments of the other Lenders under the Credit Agreement and without affecting whatsoever the Commitments of the other Lenders); 

(b) the LCPI Commitment and the LC Exposure of LCPI shall be reduced to zero (0); and 

(c) LCPI shall cease to be a Lender under the Credit Agreement and shall have no further obligation to make extensions of
credit thereunder (including in respect of Letters of Credit, if any, outstanding as of the LCPI Commitment Termination Date); 

provided that, notwithstanding such termination, LCPI shall remain entitled to its rights pursuant to indemnification and other provisions of the
Loan Documents which by their terms survive the termination of the Commitments and the repayment of all obligations thereunder. 

  
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 4.2. LCPI hereby represents and warrants that it is legally authorized to enter into this
Amendment No. 1, and this Amendment No. 1 has been duly executed and delivered by LCPI and constitutes its legal, valid and binding obligation, enforceable in accordance with its terms. 

4.3. The Company hereby unconditionally and irrevocably waives, releases, acquits and discharges all claims, suits, debts, liens, losses,
causes of action, demands, rights, damages or costs, or expenses of any kind, character or nature whatsoever, known or unknown, fixed or contingent, whether in contract or tort (collectively, the “Claims”), which any of them may
have or claim to have against LCPI (in its capacity as a Lender) or its agents, employees, officers, affiliates, directors, representatives, attorneys, successors and assigns (collectively, the “Released Parties”) to the extent
arising out of or in connection with the Loan Documents including, without limitation, any failure by LCPI to fund any Loan or other amount to be funded by the Lenders thereunder. The Company further agrees forever to refrain from commencing,
instituting or prosecuting any lawsuit, action or other proceeding against any of the Released Parties with respect to any and all Claims or from exercising any right of recoupment or setoff that it may have under any master netting agreement or
otherwise against any of the Released Parties with respect to the Loan Documents and any obligations thereunder. Each of the Released Parties shall be a third party beneficiary of the agreements of the Company under this Section 4.3.

 Section 5. Representations and Warranties of Company. The Company hereby represents and warrants to the
Administrative Agent and the Lenders that (i) the representations and warranties set forth in Article III of the Credit Agreement are, on the date hereof, true and correct as if made on the date hereof (both immediately before and after
giving effect to this Amendment No. 1) (or, if any such representation or warranty is expressly stated to have been made as of a specific date, as of such specific date) and as if each reference in said Article III to “this Agreement”
includes reference to this Amendment No. 1 and (ii) both immediately before and after giving effect to the amendments and the other modifications to the Credit Agreement under Sections 2, 3 and 4 above, no Default has occurred and is
continuing. 
 Section 6. Effectiveness of Amendments. 

6.1. Extension Amendments. The Extension Amendments shall become effective as of the date (which shall be no later than
December 15, 2011) (the “Extension Amendment Effective Date”) on which the Administrative Agent shall have received each of the following, each of which shall be reasonably satisfactory in form and substance to the
Administrative Agent: 
 (a) Executed Counterparts. Counterparts of this Amendment No. 1 signed on
behalf of the Company, the Administrative Agent, each Issuing Lender, each Amendment No. 1 Extending Lender and (without duplication) the Required Lenders; provided that (i) the parties hereto hereby agree that each Amendment
No. 1 Extending Lender which executes and delivers an Amendment No. 1 Lender Addendum shall be deemed to have executed and delivered a counterpart of this Amendment No. 1; and (ii) Amendment No. 1 Lender Addenda (or signed
counterparts of this Agreement) shall have been executed and delivered by Lenders that agree to be Amendment No. 1 Extending Lenders with Extended Commitments as of such date in an aggregate amount of not less than $1,200,000,000 (and such
Amendment No. 1 Lender Addenda shall have been accepted by the Company and the Administrative Agent). 
 (b)
Outstanding Credit Exposure. Evidence that, as of the Extension Amendment Effective Date, (i) no Loans, Letters of Credit or unreimbursed LC Disbursements shall be outstanding under the Credit Agreement; and (ii) (subject to
Section 6.3(c) below) the Company shall have paid to the Administrative Agent for the account of the Lenders all unpaid facility fees under Section 2.11(a) of the Credit Agreement in respect of the Commitments in effect immediately prior
to the Extension Amendment Effective Date and all letter of credit fees under Section 2.11(b) of the Credit Agreement, accrued to but not including the Extension Amendment Effective Date, shall have been paid in full. 

  
 - 10 -

 (c) Opinion of Counsel to Company. A favorable written opinion
(addressed to the Administrative Agent and the Lenders and dated the Extension Amendment Effective Date) of Wachtell, Lipton, Rosen & Katz, special counsel for the Company, in form and substance reasonably satisfactory to the Administrative
Agent (and its counsel) and covering such matters relating to the Company, this Amendment No. 1 and the transactions contemplated hereby as the Administrative Agent shall reasonably request (and the Company hereby instructs such counsel to
issue such opinion to the Lenders and the Administrative Agent). 
 (d) Other Documents. Such documents
and certificates as the Administrative Agent or its counsel may reasonably request relating to the organization, existence and good standing of the Company, the authorization of the transactions contemplated by this Amendment No. 1 and any
other legal matters relating to the Company or the transactions contemplated by this Amendment No. 1, all in form and substance reasonably satisfactory to the Administrative Agent and its counsel. 

(e) Fees and Expenses. Evidence that (i) the Administrative Agent shall have received payment from the
Company, for the account of each Amendment No. 1 Extending Lender, an extension fee in an amount equal to 0.025% of the amount of such Amendment No. 1 Extending Lender’s Commitment in effect on the Extension Amendment Effective Date
(after giving effect to the reduction of its Commitment (if any) effected pursuant to Section 2.12.A above); (ii) the Administrative Agent shall have received payment from the Company, for the account of the relevant Person(s), all amounts
due and payable to the Administrative Agent or any Affiliate thereof on or prior to the Extension Amendment Effective Date pursuant to the Credit Agreement and the Loan Documents including, to the extent invoiced, reimbursement of all reasonable and
documented out-of-pocket expenses (including reasonable fees, charges and disbursements of counsel) required to be reimbursed or paid by the Company thereunder; and (iii) (without duplication) the Administrative Agent and J.P. Morgan Securities
LLC, as the lead arrangers in respect of this Amendment No. 1, and their respective Affiliates shall have received payment from the Company of all fees, out-of-pocket expenses and other amounts separately agreed to be paid or reimbursed by the
Company in connection with this Amendment No. 1. 
 (f) Officer’s Certificate. A certificate,
dated the Extension Amendment Effective Date and signed by the President, any vice president or a Financial Officer of the Company, confirming compliance with the conditions to the Extension Amendments set forth in Section 5 above and this
Section 6. 
 6.2. Change of Control Amendments. The Change of Control Amendments shall become effective as of the
date (the “Change of Control Amendment Effective Date”) on which the Administrative Agent shall have received counterparts of this Amendment No. 1 signed on behalf of the Company and the Required Lenders. 

6.3. LCPI Commitment Termination Amendments. The LCPI Commitment Termination Amendments shall become effective as of the date (the
“LCPI Commitment Termination Date”) on which the following conditions shall be satisfied: 
 (a)
Extension Amendment Effective Date. The Extension Amendment Effective Date shall have occurred. 

  
 - 11 -

 (b) LCPI Consent. The Administrative Agent shall have received from
LCPI a counterpart of this Amendment No. 1 signed on behalf of LCPI (or such other instrument in form and substance satisfactory to the Administrative Agent evidencing LCPI’s consent to the LCPI Commitment Termination Amendments).

 (c) Payments to LCPI. If the condition set forth in Section 6.3(b) above shall have been
satisfied on or prior to the Extension Amendment Effective Date, the Company shall have paid to the Administrative Agent for the account of LCPI on such date all accrued fees owing to LCPI with respect to the LCPI Commitment and its Revolving Credit
Exposure under the Credit Agreement to such date (together with all other payments required to be made on such date pursuant to Section 6.1(b) above) (it being understood that if the condition set forth in Section 6.3(b) above shall not
have been satisfied as of the Extension Amendment Effective Date, the Company shall not be required to make any payments in respect of accrued fees to LCPI (or any other Lender under Section 6.1(b)(ii) above) as of the Extension Amendment
Effective Date, but instead LCPI shall receive such fees on the next date on which such fees are paid to the other Lenders pursuant to the Credit Agreement). 
 Section 7. No Waiver. The modifications set forth herein shall be limited precisely as provided for herein, and shall not be deemed to be a waiver of, consent to or modification of any other
term or provision of the Credit Agreement or of any term or provision of any other instrument referred to therein or herein, or of any transaction or further or future action on the part of the Borrowers or any other person which would require the
consent of the Lenders under the Credit Agreement or any such other instrument. 
 Section 8. Miscellaneous. Except
as herein provided, the Credit Agreement shall remain unchanged and in full force and effect. This Amendment No. 1 shall constitute a “Loan Document” for all purposes of the Credit Agreement. This Amendment No. 1 may be executed
in any number of counterparts, all of which taken together shall constitute one and the same agreement and any of the parties hereto may execute this Amendment No. 1 by signing any such counterpart. This Amendment No. 1 shall be governed
by, and construed in accordance with, the laws of the State of New York. 
 [Remainder of page intentionally left
blank.] 

  
 - 12 -

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment No. 1 to be duly
executed and delivered as of the day and year first above written. 
  

			
	NYSE EURONEXT
		
	By:	 	/s/ Philippe Matsumoto
		 	Name: Philippe Matsumoto
		 	Title: Senior Vice President and Group Treasurer

 
			
	 JPMORGAN CHASE BANK, N.A.,
     as a Lender and as Administrative Agent

		
	By:	 	/s/ John A. McKesson
		 	Name: John A. McKesson
		 	Title: Vice President

 
			
	LEHMAN COMMERCIAL PAPER INC.
		
	By:	 	/s/ Ahuva Schwager
		 	Name: Ahuva Schwager
		 	Title: Authorized Signatory

 Schedule 2.12 
 to Amendment No. 1 
 Commitments 

(as of Extension Amendment Effective Date) 
  

					
	Amendment No. 1 Extending Lenders	  	 	 
	 JPMorgan Chase Bank, N.A.
	  	$	163,270,377.73	  
	 Citibank, N.A.
	  	$	163,270,377.73	  
	 Bank of America, N.A.
	  	$	191,570,576.55	  
	 Credit Suisse AG, Cayman Islands Branch
	  	$	130,616,302.19	  
	 Societe Generale
	  	$	130,616,302.19	  
	 Wells Fargo Bank, National Association
	  	$	130,616,302.19	  
	 Morgan Stanley Bank, N.A.
	  	$	108,846,918.49	  
	 Barclays Bank PLC
	  	$	43,538,767.38	  
	 UBS Loan Finance LLC
	  	$	32,654,075.55	  
	 The Bank of New York Mellon
	  	$	25,000,000.00	  
	 Lloyds TSB Bank plc
	  	$	80,000,000.00	  
		  	  
	  
	 
	 Sub-Total
	  	$	1,200,000,000.00	  
		  	  
	  
	 
	 Amendment No. 1 Non-Extending Lenders
	  			
	 Bank Hapoalim B.M.
	  	$	40,000,000.00	  
	 Commerzbank AG, New York Branch
	  	$	116,666,666.67	  
		  	  
	  
	 
	 Sub-Total
	  	$	156,666,666.67	  
		  	  
	  
	 
	 Total
	  	$	1,356,666,666.67EX-4.1

 Exhibit 4.1 
 SECOND SUPPLEMENTAL INDENTURE 
 among 

IDEX CORPORATION, 
 as Issuer 
 and 

WELLS FARGO BANK, NATIONAL ASSOCIATION, 
 as Trustee 
 Dated as of December 13, 2011 

Supplemental to Indenture for Debt Securities 
 Dated as of December 6, 2010 
 4.200% Senior Notes due 2021 

 TABLE OF CONTENTS 

 

					
	 	  	PAGE	 
	ARTICLE 1	  			
	SCOPE OF SUPPLEMENTAL INDENTURE; GENERAL	  			
		
	 Section 1.01.   Scope of Supplemental Indenture; General
	  	 	2	  
	 Section 1.02.   Terms of Notes
	  	 	2	  
		
	ARTICLE 2	  			
	CERTAIN DEFINITIONS	  			
		
	 Section 2.01.   Certain Definitions
	  	 	3	  
	 Section 2.02.   Rules of Construction
	  	 	10	  
		
	ARTICLE 3	  			
	COVENANTS	  			
		
	 Section 3.01.   Change of Control Triggering Event
	  	 	10	  
	 Section 3.02.   Limitations on Liens
	  	 	11	  
	 Section 3.03.   Limitations on Sale and Leaseback Transactions
	  	 	12	  
	 Section 3.04.   Applicability of Covenants Contained in the Base Indenture
	  	 	13	  
		
	ARTICLE 4	  			
	THE NOTES	  			
		
	 Section 4.01.   Form of Notes
	  	 	14	  
	 Section 4.02.   Depositary
	  	 	14	  
		
	ARTICLE 5	  			
	EVENTS OF DEFAULT	  			
		
	 Section 5.01.   Events of Default
	  	 	14	  
		
	ARTICLE 6	  			
	REDEMPTION	  			
		
	 Section 6.01.   Optional Redemption
	  	 	15	  
	 Section 6.02.   Applicability of Sections of the Base Indenture
	  	 	16	  
		
	ARTICLE 7	  			
	DEFEASANCE	  			
		
	 Section 7.01.   Defeasance
	  	 	16	  

  
 i 

					
	ARTICLE 8	  			
	MISCELLANEOUS	  			
		
	 Section 8.01.   Ratification of Base Indenture
	  	 	16	  
	 Section 8.02.   Trustee Not Responsible for Recitals
	  	 	16	  
	 Section 8.03.   New York Law to Govern
	  	 	16	  
	 Section 8.04.   Counterparts
	  	 	16	  
	 Section 8.05.   Effect of Headings
	  	 	16	  
		
	 EXHIBIT A. Form of Note
	  			

  
 ii 

 SECOND SUPPLEMENTAL INDENTURE, dated as of December 13, 2011 (this “Second
Supplemental Indenture”), by and among IDEX CORPORATION, a Delaware corporation (the “Company”), and WELLS FARGO BANK, NATIONAL ASSOCIATION, as trustee (as defined in the Indenture, the “Trustee”), to the
Indenture, dated as of December 6, 2010 (the “Base Indenture” and, as supplemented by this Second Supplemental Indenture, the “Indenture”), by and between the Company and the Trustee. 

RECITALS: 
 WHEREAS, the Company has duly authorized the execution and delivery of the Base Indenture to provide for the issuance from time to time of the Company’s debentures, notes, or other evidences of
indebtedness (as defined in the Indenture, the “Securities”), to be issued in one or more series; 
 WHEREAS,
Section 8.01 of the Base Indenture permits the Company and the Trustee to enter into indentures supplemental to the Base Indenture to establish the form and terms of any series of Securities as provided by Sections 2.01 and 2.03 of the Base
Indenture; 
 WHEREAS, the Company desires and has requested the Trustee to join with it in the execution and delivery of this
Second Supplemental Indenture in order to establish and provide for the issuance by the Company of a new series of Securities designated as its 4.200% Senior Notes due 2021 (the “Notes”), on the terms set forth herein; 

WHEREAS, the Company now wishes to issue Notes in an initial aggregate principal amount of $350,000,000; 

WHEREAS, the conditions set forth in the Indenture for the execution and delivery of this Second Supplemental Indenture have been
complied with; and 
 WHEREAS, all things necessary to make this Second Supplemental Indenture a valid agreement of the Company
and the Trustee, in accordance with its terms, and a valid supplement to the Base Indenture have been done; 
 NOW, THEREFORE,
THIS SECOND SUPPLEMENTAL INDENTURE WITNESSETH: 
 In consideration of the purchase and acceptance of the Notes by the Holders
thereof, the Company mutually covenants and agrees with the Trustee, for the equal and ratable benefit of the Holders of the Notes, as follows: 

 ARTICLE 1 
 SCOPE OF SUPPLEMENTAL INDENTURE; GENERAL 
 Section 1.01. Scope of Supplemental Indenture; General. This Second Supplemental Indenture supplements and, to the extent inconsistent therewith, replaces the provisions of the Base Indenture,
to which provisions reference is hereby made. 
 The changes, modifications and supplements to the Base Indenture effected by
this Second Supplemental Indenture shall be applicable only with respect to, and govern the terms of, the Notes (which shall be initially in the aggregate principal amount of $350,000,000) and shall not apply to any other Securities that have been
or may be issued under the Indenture unless a supplemental indenture with respect to such other Securities specifically incorporates such changes, modifications and supplements. Pursuant to this Second Supplemental Indenture, there is hereby created
and designated a series of Securities under the Indenture entitled “4.200% Senior Notes due 2021.” The Notes shall be in the form of Exhibit A hereto, the terms of which are incorporated herein by reference. 

All Notes issued under this Second Supplemental Indenture shall vote and consent together on all matters as one class, including without
limitation on waivers and amendments, and no Holder of Notes shall have the right to vote or consent as a separate class from other Holders on any matter except matters which affect such Holder only. 

Section 1.02. Terms of Notes. The information applicable to the Notes required pursuant to Section 2.03 of the Base
Indenture is as follows: 
 (a) the title of the Notes shall be “4.200% Senior Notes due 2021”; 

(b) not applicable; 
 (c) the initial aggregate principal amount of the Notes shall be $350,000,000; 

(d) the Notes shall be issuable in Dollars; 
 (e) principal shall be payable as set forth in the form of Note; 
 (f) the rate at
which the Notes shall bear interest and interest payment and record dates shall be as set forth in the form of Note; 
 (g) the
place where the principal of and any interest on the Notes shall be payable shall be as set forth in the Base Indenture; 

  
 2 

 (h) the Notes shall be subject to optional redemption as set forth in Article 6 below;

 (i) not applicable; 
 (j) the Notes shall be issuable in minimum denominations of $2,000 and integral multiples of $1,000 above that amount; 
 (k) not applicable; 
 (l) payment of the principal and interest on the Notes shall
be made in Dollars; 
 (m) not applicable; 
 (n) not applicable; 
 (o) the Notes may be defeased as set forth in Article 7
below; 
 (p) not applicable; 
 (q) the Notes shall be issuable as Global Securities; 
 (r) Wells Fargo Bank,
National Association initially shall serve as the Trustee, paying agent, registrar and custodian with respect to the Notes; 

(s) the events of default set forth in Article 5 below and the covenants set forth in Article 3 below shall be applicable to the Notes;

 (t) not applicable; 
 (u) the Notes shall be senior debt securities; and 
 (v) not applicable.

 ARTICLE 2 
 CERTAIN DEFINITIONS 
 Section 2.01. Certain
Definitions. The following definitions shall apply to the Notes. Capitalized terms used but not defined herein have the meanings ascribed to such terms in the Base Indenture. 

“Attributable Debt” with respect to a Sale and Leaseback Transaction with respect to any Principal Property, the lesser
of: (a) the fair market value of such property (as determined by the Company’s Board of Directors in good faith); or (b) the present value of the total net amount of rent required to be paid under

  
 3 

 
such lease during the remaining term thereof (including any period for which such lease has been extended and excluding any unexercised renewal or other extension options exercisable by the
lessee, and excluding amounts on account of maintenance and repairs, services, taxes and similar charges and contingent rents), discounted at the rate of interest set forth or implicit in the terms of such lease (or, if not practicable to determine
such rate, the weighted average interest rate per annum borne by the Notes) compounded semiannually. In the case of any lease which is terminable by the lessee upon the payment of a penalty, such net amount shall be the lesser of the net amount
determined assuming termination upon the first date such lease may be terminated (in which case the net amount shall also include the amount of the penalty, but no rent shall be considered as required to be paid under such lease subsequent to the
first date upon which it may be so terminated) or the net amount determined assuming no such termination. 
 “Capital
Lease” means any lease of any Principal Property that is or should be accounted for as a capital lease on the consolidated balance sheet of the Company and its Subsidiaries prepared in accordance with GAAP. 

“Capital Stock” means and includes any and all shares, interests, participations or other equivalents (however
designated) of ownership in a corporation or other Person. 
 “Change of Control” means the occurrence of any
of the following: 
 (a) the direct or indirect sale, lease, transfer, conveyance or other disposition (other than by way of
merger or consolidation), in one or more series of related transactions, of all or substantially all of the Company’s assets and its Subsidiaries’ assets, taken as a whole, to any person, other than the Company or one of the Company’s
subsidiaries; provided, however, that none of the circumstances in this clause (a) shall be a Change of Control if the persons that beneficially own the Company’s Voting Stock immediately prior to the transaction own, directly or
indirectly, shares with a majority of the total voting power of all outstanding voting securities of the surviving or transferee person that are entitled to vote generally in the election of that person’s board of directors, managers or
trustees immediately after the transaction; 
 (b) the consummation of any transaction (including, without limitation, any
merger or consolidation), the result of which is that any person becomes the beneficial owner, directly or indirectly, of more than 50% of the Company’s outstanding Voting Stock or other Voting Stock into which the Company’s Voting Stock
is reclassified, consolidated, exchanged or changed, measured by voting power rather than number of shares; 
 (c) the Company
consolidates with, or merges with or into, any person, or any person consolidates with, or merges with or into, the Company, in any such 

  
 4 

 
event pursuant to a transaction in which any of the Company’s outstanding Voting Stock or the Voting Stock of such other person is converted into or exchanged for cash, securities or other
property, other than any such transaction where the shares of the Company’s Voting Stock outstanding immediately prior to such transaction constitute, or are converted into or exchanged for, a majority of the Voting Stock of the surviving
person or any direct or indirect parent company of the surviving person immediately after giving effect to such transaction; 

(d) the first day on which a majority of the members of the Company’s Board of Directors are not Continuing Directors; or

 (e) the adoption of a plan relating to the liquidation or dissolution of the Company. 

As used in this definition, the term “person” has the meaning given thereto in Section 13(d)(3) of the Exchange Act. As
used in this definition, the term “beneficial owner” has the meaning given thereto in Rules 13d-3 and 13d-5 of the Exchange Act. 
 “Change of Control Offer” has the meaning ascribed to such term in Section 3.01 of this Second Supplemental Indenture. 

“Change of Control Payment” has the meaning ascribed to such term in Section 3.01 of this Second Supplemental
Indenture. 
 “Change of Control Payment Date” has the meaning ascribed to such term in Section 3.01 of
this Second Supplemental Indenture. 
 “Change of Control Triggering Event” means the occurrence of both a
Change of Control and a Rating Event. 
 “Comparable Treasury Issue” means the United States Treasury security
selected by the Quotation Agent that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of the debt
securities. 
 “Comparable Treasury Price” means, with respect to any date of redemption, (1) the average
of three Reference Treasury Dealer Quotations for the date of redemption, after excluding the highest and lowest Reference Treasury Dealer Quotations or (2) if the Quotation Agent obtains fewer than four Reference Treasury Dealer Quotations,
the average of all such Reference Treasury Dealer Quotations. 
 “Consolidated Net Tangible Assets” means the
aggregate amount of assets (less applicable reserves and other properly deductible items) after 

  
 5 

 
deducting therefrom (1) all current liabilities (excluding any Debt of less than 12 months from the date of the Company’s most recent consolidated balance sheet but which by its terms
is renewable or extendable beyond 12 months from such date at the Company’s option) and (2) all goodwill, trade names, patents, unamortized debt discount and expense and any other like intangibles, all as set forth on the Company’s
most recent consolidated balance sheet and determined in accordance with GAAP. 
 “Continuing Directors” means,
as of any date of determination, any member of the Company’s Board of Directors who (1) was a member of such Board of Directors on the date the Notes were issued or (2) was nominated for election, elected or appointed to such Board of
Directors with the approval of a majority of the Continuing Directors who were members of such Board of Directors at the time of such nomination, election or appointment (either by a specific vote or by approval of the Company’s proxy statement
in which such member was named as a nominee for election as a director, without objection to such nomination). 

“Debt” means with respect to a Person all obligations of such Person for borrowed money and all such obligations of any
other Person for borrowed money guaranteed by such Person. 
 “DTC” has the meaning ascribed to such term in
Section 4.02 of this Second Supplemental Indenture. 
 “Event of Default” means any event specified as
such in Section 5.01 of this Second Supplemental Indenture. 
 “Exchange Act” means the Securities
Exchange Act of 1934, as amended. 
 “Fitch” means Fitch Inc., and its successors. 

“Funded Debt” means any Debt maturing by its terms more than one year from its date of issuance (notwithstanding that
any portion of such Debt is included in current liabilities). 
 “GAAP” means generally accepted accounting
principles as in effect from time to time in the United States. 
 “Global Note” has the meaning ascribed to
such term in Section 4.01 of this Second Supplemental Indenture. 
 “Global Note Holder” has the meaning
ascribed to such term in Section 4.02 of this Second Supplemental Indenture. 

  
 6 

 “Investment Grade” means a rating equal to or higher than BBB- (or the
equivalent) by Fitch, Baa3 (or the equivalent) by Moody’s and BBB- (or the equivalent) by S&P, and the equivalent Investment Grade credit rating from any replacement Rating Agency or Rating Agencies selected by the Company. 

“Lien” means any mortgage, pledge, security interest, lien, charge or other encumbrance. 

“Moody’s” means Moody’s Investors Service, Inc., and its successors. 

“Notes” has the meaning ascribed to it in the preamble of this Second Supplemental Indenture. 

“Permitted Liens” means: 
 (a) Liens existing at the date of the indenture; 
 (b) Liens in favor of the
Company or a Restricted Subsidiary; 
 (c) Liens on any property existing at the time of the acquisition thereof; 

(d) Liens on any property of a Person or its subsidiaries existing at the time such Person is consolidated with or merged into the
Company or a Restricted Subsidiary, or Liens on any property of a Person existing at the time such Person becomes a Restricted Subsidiary; 
 (e) Liens to secure all or part of the cost of acquisition (including Liens created as a result of an acquisition by way of Capital Lease), construction, development or improvement of the underlying
property, or to secure Debt incurred to provide funds for any such purposes, provided, that the commitment of the creditor to extend the credit secured by any such Lien shall have been obtained not later than 12 months after the later of
(A) the completion of the acquisition, construction, development or improvement of such property and (B) the placing in operation of such property or of such property as so constructed, developed or improved; 

(f) Liens securing industrial revenue, pollution control or similar bonds; and 

(g) any extension, renewal or replacement (including successive extensions, renewals and replacements), in whole or in part, of any Lien
referred to in any of clauses (a), (c), (d) or (e) that would not otherwise be permitted pursuant to any of clauses (a) through (f), to the extent that (A) the principal amount of Debt secured thereby and not otherwise permitted
to be secured pursuant to any of clauses (a) through (f) does not exceed the principal amount of Debt, plus any premium or fee payable in connection with any such extension, 

  
 7 

 
renewal or replacement, so secured at the time of any such extension, renewal or replacement, except that where the Debt so secured at the time of any such extension, renewal or replacement was
incurred for the sole purpose of financing a specific project; and (B) the property that is subject to the Lien serving as an extension, renewal or replacement is limited to some or all of the property that was subject to the Lien so extended,
renewed or replaced. 
 “Person” means any individual, corporation, partnership, limited partnership, limited
liability company, joint venture, association, joint stock company, trust, unincorporated organization or government or any agency or political subdivision thereof. 
 “Principal Property” means any manufacturing plant, warehouse, office building or parcel of real property, including fixtures but excluding leases and other contract rights which might
otherwise be deemed real property, owned or leased by the Company or any of its Subsidiaries, whether owned or leased on the date of the Indenture or thereafter acquired, that has a gross book value (determined in accordance with GAAP) in excess of
2% of the Consolidated Net Tangible Assets of the Company and its consolidated subsidiaries. Any plant, warehouse, office building or parcel of real property or portion thereof which the Company’s Board of Directors determines in good faith is
not of material importance to the business conducted by the Company and its subsidiaries taken as a whole shall not be a Principal Property. 
 “Quotation Agent” means one of the Reference Treasury Dealers appointed by the Company as Quotation Agent. 
 “Rating Agencies” means (1) each of Fitch, Moody’s and S&P; and (2) if any of Fitch, Moody’s or S&P ceases to rate the Notes or fails to make a rating of the
Notes publicly available for reasons outside of the Company’s control, a “nationally recognized statistical rating organization” within the meaning of Rule 15c3-1 (c)(2)(vi)(F) under the Exchange Act selected by the Company as a
replacement agency for Fitch, Moody’s or S&P, or all of them, as the case may be. 
 “Rating Event”
means a decrease in the ratings of the Notes below Investment Grade by at least two of the three Rating Agencies on any date from the date that is 60 days prior to the date of the first public notice of an arrangement that could result in a Change
of Control until the end of the 60-day period following the consummation of such Change of Control (which period shall be extended so long as the rating of the Notes is under publicly announced consideration for possible downgrade by any of the
Rating Agencies). 
 “Reference Treasury Dealer” means any of (1) J.P. Morgan Securities LLC, Merrill
Lynch, Pierce, Fenner & Smith Incorporated and a Primary Treasury Dealer (defined herein) selected by Wells Fargo Securities, LLC and their 

  
 8 

 
respective successors, unless any of them ceases to be a primary U.S. Government securities dealer in New York City (a “Primary Treasury Dealer”), in which case the Company shall
substitute another Primary Treasury Dealer and (2) any other Primary Treasury Dealer the Company selects. 

“Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any date of redemption,
the average, as determined by the Quotation Agent of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Quotation Agent by that Reference Treasury
Dealer at 5:00 P.M., New York City time, on the third business day preceding that date of redemption. 
 “Restricted
Subsidiary” means any Subsidiary of the Company which owns or leases Principal Property. 
 “S&P”
means Standard & Poor’s Rating Services, a division of The McGraw-Hill Companies, Inc., and its successors. 

“Sale and Leaseback Transaction” means any arrangement with any Person relating to property now owned or hereafter
acquired whereby the Company or any Restricted Subsidiary transfers such property to another Person and the Company or the Restricted Subsidiary lease or rent it from such Person. 

“Subsidiary” means any corporation, partnership or other legal entity (a) the accounts of which are consolidated
with the Company’s in accordance with GAAP and (b) of which, in the case of a corporation, more than 50% of the outstanding voting stock is owned, directly or indirectly, by the Company or by one or more other subsidiaries, or by the
Company and one or more other subsidiaries or, in the case of any partnership or other legal entity, more than 50% of the ordinary equity capital interests is, at the time, directly or indirectly owned or controlled by the Company or by one or more
of the subsidiaries or by the Company and one or more of the subsidiaries. 
 “Treasury Rate” means, with
respect to any date of redemption, the rate per year equal to: (1) the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release designated
“H.15(519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant maturity
under the caption “Treasury Constant Maturities,” for the maturity corresponding to the applicable Comparable Treasury Issue; provided that, if no maturity is within three months before or after the remaining term of the Notes to be
redeemed, yields for the two published maturities most closely corresponding to the applicable Comparable Treasury Issue shall be determined and the Treasury Rate shall be interpolated or extrapolated from those

  
 9 

 
yields on a straight line basis, rounding to the nearest month; or (2) if such release (or any successor release) is not published during the week preceding the calculation date or does not
contain such yields, the rate per year equal to the semi-annual equivalent yield to maturity of the applicable Comparable Treasury Issue, calculated using a price for the applicable Comparable Treasury Issue (expressed as a percentage of its
principal amount) equal to the Comparable Treasury Price for that date of redemption. 
 “Voting Stock” means,
with respect to any specified “person” (as that term is used in Section 13(d)(3) of the Exchange Act) as of any date, the Capital Stock of such person that is at the time entitled to vote generally in the election of the board of
directors of such person. 
 Section 2.02. Rules of Construction. Unless the context otherwise requires or except as
otherwise expressly provided, the term “interest” in this Indenture shall be construed to include additional interest, if any. 
 ARTICLE 3 
 COVENANTS 

The following covenants shall apply in addition to the covenants set forth in the Indenture: 

Section 3.01. Change of Control Triggering Event.  
 (a) If a Change of Control Triggering Event occurs, unless the Company has exercised its option to redeem the Notes pursuant to Section 6.01 of this Second Supplemental Indenture, the Company shall
be required to make an offer (a “Change of Control Offer”) to each Holder of the Notes to repurchase all or any part (equal to $2,000 or an integral multiple of $1,000 in excess thereof) of that Holder’s Notes on the terms set
forth in the Notes. In a Change of Control Offer, the Company shall be required to offer payment in cash equal to 101% of the aggregate principal amount of Notes repurchased, plus accrued and unpaid interest, if any, on the Notes repurchased to, but
not including, the repurchase date (a “Change of Control Payment”). 
 (b) Within 30 days following any Change
of Control Triggering Event or, at the Company’s option, prior to any Change of Control, but after public announcement of the transaction that constitutes or may constitute the Change of Control, a notice shall be mailed to Holders of the Notes
with a copy to the Trustee describing the transaction that constitutes or may constitute the Change of Control Triggering Event and offering to repurchase such Notes on the repurchase date specified in the applicable notice, which date shall be no
earlier than 30 days and no later than 60 days from the date on which such notice is mailed (a “Change of Control Payment Date”). 

  
 10 

 (c) The notice shall, if mailed prior to the date of consummation of the Change of Control,
state that the Change of Control Offer is conditioned on the Change of Control Triggering Event occurring prior to or on the applicable Change of Control Payment Date specified in the notice. 

(d) On each Change of Control Payment Date, the Company shall, to the extent lawful: 

(i) accept for payment all Notes or portions of Notes properly tendered pursuant to the applicable Change of Control
Offer; 
 (ii) deposit with the paying agent an amount equal to the Change of Control Payment in respect of all
Notes or portions of Notes properly tendered pursuant to the applicable Change of Control Offer; and 
 (iii)
deliver or cause to be delivered to the Trustee the Notes properly accepted together with an Officer’s Certificate stating the aggregate principal amount of Notes or portions of Notes being repurchased. 

(e) The Company shall not be required to make a Change of Control Offer upon the occurrence of a Change of Control Triggering Event if a
third party makes such an offer in the manner, at the times and otherwise in compliance with the requirements for an offer made by the Company, and the third party repurchases all Notes properly tendered and not withdrawn under its offer.

 (f) The Company shall comply with the requirements of Rule 14e-1 under the Exchange Act, and any other securities laws and
regulations thereunder to the extent those laws and regulations are applicable in connection with the repurchase of the Notes as a result of a Change of Control Triggering Event. To the extent that the provisions of any such securities laws or
regulations conflict with the Change of Control Offer provisions of the Notes, the Company shall comply with those securities laws and regulations and shall not be deemed to have breached its obligations under the Change of Control Offer provisions
of the Notes by virtue of any such conflict. 
 Section 3.02. Limitations on Liens.  

(a) The Company shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, create, assume or permit to exist,
any Lien, other than Permitted Liens, on any Principal Property, or upon Capital Stock or Debt of any Restricted Subsidiary and owned by the Company or any Subsidiary, now or hereafter acquired, to secure Debt, without effectively providing
concurrently that the Notes are secured equally and ratably with such Debt, for so long as such Debt shall be so secured. 

  
 11 

 (b) Notwithstanding the restrictions set forth in paragraph (a) in this
Section 3.02, the Company and its Restricted Subsidiaries may, directly or indirectly, create, assume or permit to exist any Lien that would otherwise be subject to the restrictions set forth in paragraph (a) in this Section 3.02
without equally and ratably securing the Notes if, at the time of such creation, assumption or permission, after giving effect thereto and to the retirement of any Debt which is concurrently being retired, the aggregate principal amount of
outstanding Debt secured by Liens which would otherwise be subject to such restrictions (not including Permitted Liens) plus all Attributable Debt of the Company and its Restricted Subsidiaries in respect of Sale and Leaseback Transactions with
respect to any Principal Property (not including such transactions described under any of clauses (i) through (vii) in Section 3.03(a) of this Second Supplemental Indenture), does not exceed 15% of Consolidated Net Tangible Assets.

 Section 3.03. Limitations on Sale and Leaseback Transactions.  

(a) The Company shall not, and shall not permit any Restricted Subsidiary to, enter into any Sale and Leaseback Transaction with respect
to any Principal Property owned by the Company or such Restricted Subsidiary, unless: 
 (i) the Sale and
Leaseback Transaction is solely with the Company or a Subsidiary; 
 (ii) the lease in such Sale and Leaseback
Transaction is for a period not in excess of three years; 
 (iii) the lease in such Sale and Leaseback
Transaction secures or relates to industrial revenue, pollution control or similar bonds; 
 (iv) the Sale and
Leaseback Transaction is entered into prior to or within 12 months after the purchase or acquisition of the Principal Property which is the subject of such Sale and Leaseback Transaction; 

(v) the Sale and Leaseback Transaction involving property of a Person existing at the time such Person is merged into or
consolidated with the Company or a Subsidiary or at the time of a sale, lease or other disposition of the properties of a Person as an entirety or substantially as an entirety to the Company or a Subsidiary; 

(vi) the proceeds of the Sale and Leaseback Transaction are at least equal to the fair value (as determined by the
Company’s Board of Directors in good faith) of the Principal Property leased pursuant to such Sale and Leaseback Transaction, so long as within 180 days of the effective date of such Sale and Leaseback Transaction, the Company or such
Restricted Subsidiary apply (or irrevocably commit to an escrow account for the purpose or purposes hereinafter mentioned) an amount 

  
 12 

 
equal to the greater of (A) net proceeds of such sale, and (B) the Attributable Debt of the Company and the Company’s Restricted Subsidiaries in respect of such Sale and Leaseback
Transaction to either (x) the purchase of property which shall constitute a Principal Property having a fair value at least equal to the fair value of the Principal Property leased, or (y) the retirement or repayment (other than any
mandatory retirement, mandatory prepayment or sinking fund payment or by payment at maturity) of any Funded Debt of the Company or a Restricted Subsidiary (other than Funded Debt that is subordinated to the Notes) or preferred stock of any
Subsidiary (other than any such Debt owed to or preferred stock owned by the Company or any Subsidiary); provided, however, that in lieu of applying an amount equivalent to all or any part of such net proceeds to such retirement or repayment (or
committing such an amount to an escrow account for such purpose), the Company or the Restricted Subsidiary may deliver to the Trustee outstanding Notes and thereby reduce the amount to be applied pursuant to (y) of this clause (vi) by an
amount equivalent to the aggregate principal amount of the Notes so delivered; 
 (vii) the Sale and Leaseback
Transaction involving the extension, renewal or replacement (or successive extensions, renewals or replacements) in whole or in part of a lease pursuant to a Sale and Leaseback Transaction referred to in clauses (i) through (vi), inclusive, in
this Section 3.03; provided, however, that such lease extension, renewal or replacement shall be limited to all or any part of the same property leased under the lease so extended, renewed or replaced (plus improvements to such property); or

 (viii) the Attributable Debt of the Company and its Restricted Subsidiaries in respect of such Sale and
Leaseback Transaction and all other Sale and Leaseback Transactions with respect to any Principal Property (not including any Sale and Leaseback Transactions described under any of clauses (i) through (vii) of this Section 3.03), plus
the aggregate principal amount of outstanding Debt secured by Liens upon Principal Properties or Capital Stock or Debt of any Restricted Subsidiary and owned by the Company or any Subsidiary then outstanding (not including any such Debt secured by
Permitted Liens) which do not secure such outstanding securities issued under the Indenture equally and ratably with (or on a basis that is prior to) the other Debt secured thereby, would not exceed 15% of Consolidated Net Tangible Assets.

 Section 3.04. Applicability of Covenants Contained in the Base Indenture. Each of the agreements and covenants of
the Company contained in Article 3 of the Base Indenture shall apply to the Notes. 

  
 13 

 ARTICLE 4 
 THE NOTES 
 Section 4.01. Form of Notes.
The Notes shall initially be issued in the form of one or more Global Securities substantially in the form of Exhibit A attached hereto (the “Global Note”). 

Section 4.02. Depositary. The Depositary for the Global Note shall initially be The Depository Trust Company
(“DTC”) and the Global Note shall be deposited with, or on behalf of, the Trustee as custodian for DTC and registered in the name of DTC or a nominee of DTC (such nominee being referred to herein as the “Global Note
Holder”). 
 ARTICLE 5 
 EVENTS OF DEFAULT 

Section 5.01. Events of Default. The following Events of Default shall apply to the Notes: 

(a) default in the payment of any interest on any Note when it becomes due and payable, and continuance of such default for a period of
30 days (unless the entire amount of such payment is deposited by the Company with the Trustee or with a paying agent prior to the expiration of such period of 30 days); 
 (b) default in the payment of principal of or premium, if any, on any Note when due and payable; 
 (c) default in the performance or breach of any covenant or warranty of the Company in the Indenture (other than a covenant or warranty that has been included in the Indenture solely for the benefit of a
series of debt securities other than the Notes), which default continues uncured for a period of 90 days after written notice to the Company by the Trustee or to the Company and the Trustee by the Holders of not less than 25% in principal amount of
the outstanding Notes as provided in the Indenture; 
 (d) a court having jurisdiction in the premises shall enter a decree or
order for relief in respect of the Company in an involuntary case under any applicable bankruptcy, insolvency or other similar law now or hereafter in effect, or appointing a receiver, liquidator, assignee, custodian, trustee or sequestrator (or
similar official) of the Company or for all or substantially all of its property and assets or ordering the winding up or liquidation of its affairs, and such decree or order shall remain unstayed and in effect for a period of 60 consecutive days;

 (e) the Company shall commence a voluntary case under any applicable bankruptcy, insolvency or other similar law now or
hereafter in effect, or consent 

  
 14 

 
to the entry of an order for relief in an involuntary case under any such law, or consent to the appointment of or taking possession by a receiver, liquidator, assignee, custodian, trustee or
sequestrator (or similar official) of the Company or for all or substantially all of its property and assets, or make any general assignment for the benefit of creditors; or 
 (f) (i) a default occurs under any instrument under which there is outstanding, or by which there may be secured or evidenced, any indebtedness of the Company for money borrowed by the Company (other than
non-recourse indebtedness) which results in acceleration of, or non-payment at maturity (after giving effect to any applicable grace period) of, such indebtedness in an amount exceeding $50,000,000, in which case the Company shall immediately give
notice to the Trustee of such acceleration or non-payment and (ii) there shall have been a failure to cure such default or to discharge such defaulted indebtedness within ten days after notice thereof to the Company by the Trustee or to the
Company and the Trustee by the Holders of at least 25% in aggregate principal amount of the Notes then outstanding; provided, however, that no such Event of Default described in this paragraph (f) shall exist as long as the Company is
contesting any such default or acceleration in good faith and by appropriate proceedings. 
 ARTICLE 6 

REDEMPTION 
 Section 6.01. Optional Redemption.  
 (a) The Notes shall be
redeemable, at the option of the Company, at any time prior to three months prior to the maturity date in whole or from time to time in part, at a redemption price equal to the greater of: 

(i) 100% of the principal amount of the Notes to be redeemed; or 

(ii) the sum of the present values of the remaining scheduled payments of principal and interest on the Notes to be
redeemed (exclusive of interest accrued to the date of redemption) from the redemption date through the stated maturity of the Notes being redeemed, in each case discounted to the date of redemption on a semi-annual basis (assuming a 360-day year
consisting of twelve 30-day months) at the Treasury Rate plus 25 basis points. 
 (b) The Notes shall be redeemable, at the
option of the Company, at any time on or after three months prior to the maturity date, in whole or in part, at a redemption price equal to 100% of the principal amount of the Notes to be redeemed plus accrued and unpaid interest on the Notes to be
redeemed to the date of redemption. 

  
 15 

 In each of paragraphs (a) and (b) of this Section 6.01, the Company shall pay accrued and
unpaid interest on the principal amount being redeemed to the date of redemption. 
 Section 6.02. Applicability of
Sections of the Base Indenture. The provisions of Article 12 of the Base Indenture in respect of the Notes shall apply to any optional redemption of the Notes except when such provisions conflict with the foregoing. 

ARTICLE 7 

DEFEASANCE 
 Section 7.01. Defeasance. If the Company shall effect a defeasance of the Notes pursuant to Article 10 of the Base Indenture, the Company shall cease to have any obligation to comply with the
covenants set forth in Article 3 hereof. 
 ARTICLE 8 

MISCELLANEOUS 
 Section 8.01. Ratification of Base Indenture. The Base Indenture, as supplemented by this Second Supplemental Indenture, is in all respects ratified and confirmed, and this Second Supplemental
Indenture shall be deemed part of the Base Indenture in the manner and to the extent herein and therein provided. 

Section 8.02. Trustee Not Responsible for Recitals. The recitals contained herein shall be taken as the statements of the
Company, and the Trustee assumes no responsibility for the correctness of the same. 
 Section 8.03. New York Law to
Govern. This Indenture and the Notes shall be deemed to be a contract under the laws of the State of New York, and for all purposes shall be construed in accordance with the laws of such State, except as may otherwise be required by mandatory
provisions of law. 
 Section 8.04. Counterparts. This Second Supplemental Indenture may be executed in any number
of counterparts, each of which shall be an original; but such counterparts shall together constitute but one and the same instrument. 
 Section 8.05. Effect of Headings. The Article and Section headings herein and the Table of Contents are for convenience only and shall not affect the construction hereof. 

[Signature Page Follows] 

  
 16 

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

			
	IDEX CORPORATION
		
	By:	 	/s/ Daniel J. Salliotte
		 	Name: Daniel J. Salliotte
		 	 Title: Vice President — Mergers,
 Acquisitions & Treasury

			
	WELLS FARGO BANK, NATIONAL     ASSOCIATION, as Trustee
		
	By:	 	/s/ Gregory S. Clarke
		 	Name: Gregory S. Clarke
		 	Title: Vice President

 Exhibit A 

 [FACE OF NOTE] 

UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR SECURITIES IN DEFINITIVE REGISTERED FORM, THIS SECURITY MAY NOT BE TRANSFERRED
EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITORY OR A NOMINEE OF SUCH
SUCCESSOR DEPOSITARY. UNLESS THIS SECURITY IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT,
AND ANY SECURITY ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 

 

			
	No. 001	  	Principal Amount $350,000,000,
 as revised by the
Schedule of
Increases and Decreases attached        
 hereto

CUSIP No.: 45167R AF1
 ISIN:
US45167RAF10

 IDEX CORPORATION 
 4.200% Senior Note due 2021 
 IDEX CORPORATION, a Delaware corporation
(“Company”, which term includes any successor corporation), for value received promises to pay to CEDE & CO., or registered assigns, the principal sum of THREE HUNDRED FIFTY MILLION DOLLARS, as revised by the Schedule of
Increases and Decreases attached hereto, on December 15, 2021. 
 Interest Payment Dates: June 15 and December 15
(each, an “Interest Payment Date”), commencing on June 15, 2012. 
 Interest Record Dates: June 1 and
December 1 (each, an “Interest Record Date”). 
 Initially, payment of the principal of and interest on
this Note shall be made at the office or agency of the Trustee maintained for that purpose in 

 
Minneapolis, Minnesota, in such currency of the United States of America as at the time of payment is legal tender for payment of public and private debts; provided, however, for so long
as the Notes are represented in global form by one or more Global Securities, all payments of principal of and interest shall be made by wire transfer of immediately available funds to the Depository or its nominee, as the case may be, as the
registered owner of the Global Security representing such Notes. 
 Reference is made to the further provisions of this Note set
forth on the reverse hereof, which will for all purposes have the same effect as if set forth at this place. 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed. 

 

					
	IDEX CORPORATION
		
	By:	 	 
		 	Name:	 	
		 	Title:	 	

 Attest: 
  

					
	By:	 	 
		 	Name:	 	
		 	Title:	 	

 This is one of the Notes of the series designated herein and referred to in the within-mentioned Indenture. 

 

					
	 WELLS FARGO BANK, NATIONAL
ASSOCIATION, as Trustee

		
	By:	 	 
		 	Name:	 	
		 	Title:	 	

 Dated: December 13, 2011 

 [REVERSE OF NOTE] 

This Note is one of the duly authorized securities of the Company (herein called the “Notes”) issued and to be issued in
one or more series under an Indenture dated as of December 6, 2010 (the “Base Indenture”), as amended by a Second Supplemental Indenture dated as of December 13, 2011 (the “Second Supplemental Indenture”
and, together with the Base Indenture, the “Indenture”), between the Company and Wells Fargo Bank, National Association, as trustee (herein called the “Trustee,” which term includes any successor trustee under the
Indenture with respect to the series of Notes represented hereby), to which Indenture and all indentures supplemental thereto reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder
of the Company, the Trustee and the Holders of the Notes and of the terms upon which the Notes are, and are to be, authenticated and delivered. This Note is a Global Note representing the Company’s 4.200% Senior Notes due 2021 in the aggregate
principal amount of $350,000,000. 
 The amount of interest payable on any interest payment date shall be computed on the basis
of a 360-day year consisting of twelve 30-day months. In the event that any date on which interest is payable on this Note is not a Business Day, then payment of interest payable on such date will be made on the next succeeding day that is a
Business Day (and without any interest or other payment in respect of any such delay) with the same force and effect as if made on such interest payment date. 
 The Notes of this series are issuable only in fully registered form without coupons in minimum denominations of $2,000 and integral multiples of $1,000 above that amount. 

The Notes shall be redeemable, at the option of the Company, at any time prior to three months prior to the maturity date, in whole or
from time to time in part, at a redemption price equal to the greater of: (i) 100% of the principal amount of the Notes to be redeemed or (ii) the sum of the present values of the remaining scheduled payments of principal and interest on
the Notes to be redeemed (exclusive of interest accrued to the date of redemption) from the redemption date through the stated maturity of the Notes being redeemed, in each case discounted to the date of redemption on a semi-annual basis (assuming a
360-day year consisting of twelve 30-day months) at the Treasury Rate plus 35 basis points. 
 The Notes shall be redeemable, at
the option of the Company, at any time on or after three months prior to the maturity date, in whole or in part, at a redemption price equal to 100% of the principal amount of the Notes to be redeemed plus accrued and unpaid interest on the Notes to
be redeemed to the date of redemption. 

 In each case, the Company shall pay accrued and unpaid interest on the principal amount
being redeemed to the date of redemption. 
 “Comparable Treasury Issue” means the United States Treasury
security selected by the Quotation Agent that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of the
debt securities. 
 “Comparable Treasury Price” means, with respect to any date of redemption, (1) the
average of three Reference Treasury Dealer Quotations for the date of redemption, after excluding the highest and lowest Reference Treasury Dealer Quotations or (2) if the Quotation Agent obtains fewer than four Reference Treasury Dealer
Quotations, the average of all such Reference Treasury Dealer Quotations. 
 “Quotation Agent” means one of the
Reference Treasury Dealers appointed by the Company as Quotation Agent. 
 “Reference Treasury Dealer” means
any of (1) J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and a Primary Treasury Dealer (defined herein) selected by Wells Fargo Securities, LLC and their respective successors, unless any of them ceases
to be a primary U.S. Government securities dealer in New York City (a “Primary Treasury Dealer”), in which case the Company shall substitute another Primary Treasury Dealer and (2) any other Primary Treasury Dealer the Company
selects. 
 “Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and
any date of redemption, the average, as determined by the Quotation Agent of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Quotation Agent by that
Reference Treasury Dealer at 5:00 P.M., New York City time, on the third business day preceding that date of redemption. 

“Treasury Rate” means, with respect to any date of redemption, the rate per year equal to: (1) the yield, under the
heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release designated “H.15(519)” or any successor publication which is published weekly by the Board of Governors
of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant maturity under the caption “Treasury Constant Maturities,” for the maturity corresponding to the
applicable Comparable Treasury Issue; provided that, if no maturity is within three months before or after the remaining term of the Notes to be redeemed, yields for the two published maturities most closely corresponding to the applicable
Comparable Treasury Issue shall be determined and the Treasury Rate shall be interpolated or extrapolated from those 

 
yields on a straight line basis, rounding to the nearest month; or (2) if such release (or any successor release) is not published during the week preceding the calculation date or does not
contain such yields, the rate per year equal to the semi-annual equivalent yield to maturity of the applicable Comparable Treasury Issue, calculated using a price for the applicable Comparable Treasury Issue (expressed as a percentage of its
principal amount) equal to the Comparable Treasury Price for that date of redemption. 
 If a Change of Control Triggering Event
occurs, unless the Company has exercised its option to redeem the Notes as described above, the Company shall be required to make an offer (a “Change of Control Offer”) to each Holder of the Notes to repurchase all or any part
(equal to $2,000 or an integral multiple of $1,000 in excess thereof) of that Holder’s Notes on the terms set forth herein. In a Change of Control Offer, the Company shall be required to offer payment in cash equal to 101% of the aggregate
principal amount of Notes repurchased, plus accrued and unpaid interest, if any, on the Notes repurchased to, but not including, the repurchase date (a “Change of Control Payment”). 

Within 30 days following any Change of Control Triggering Event or, at the Company’s option, prior to any Change of Control, but
after public announcement of the transaction that constitutes or may constitute the Change of Control, a notice shall be mailed to Holders of the Notes with a copy to the Trustee describing the transaction that constitutes or may constitute the
Change of Control Triggering Event and offering to repurchase such Notes on the repurchase date specified in the applicable notice, which date shall be no earlier than 30 days and no later than 60 days from the date on which such notice is mailed (a
“Change of Control Payment Date”). 
 The notice shall, if mailed prior to the date of consummation of the
Change of Control, state that the Change of Control Offer is conditioned on the Change of Control Triggering Event occurring prior to or on the applicable Change of Control Payment Date specified in the notice. 

On each Change of Control Payment Date, the Company shall, to the extent lawful: (i) accept for payment all Notes or portions of
Notes properly tendered pursuant to the applicable Change of Control Offer; (ii) deposit with the paying agent an amount equal to the Change of Control Payment in respect of all Notes or portions of Notes properly tendered pursuant to the
applicable Change of Control Offer; and (iii) deliver or cause to be delivered to the Trustee the Notes properly accepted together with an Officer’s Certificate stating the aggregate principal amount of Notes or portions of Notes being
repurchased. 
 The Company shall not be required to make a Change of Control Offer upon the occurrence of a Change of Control
Triggering Event if a third party makes such an offer in the manner, at the times and otherwise in compliance with the requirements for an offer made by the Company, and the third party repurchases all Notes properly tendered and not withdrawn under
its offer. 

 The Company shall comply with the requirements of Rule 14e-1 under the Exchange Act, and any
other securities laws and regulations thereunder to the extent those laws and regulations are applicable in connection with the repurchase of the Notes as a result of a Change of Control Triggering Event. To the extent that the provisions of any
such securities laws or regulations conflict with the Change of Control Offer provisions of the Notes, the Company shall comply with those securities laws and regulations and shall not be deemed to have breached its obligations under the Change of
Control Offer provisions of the Notes by virtue of any such conflict. 
 “Change of Control” means the
occurrence of any of the following: 
 (a) the direct or indirect sale, lease, transfer, conveyance or other disposition (other
than by way of merger or consolidation), in one or more series of related transactions, of all or substantially all of the Company’s assets and its Subsidiaries’ assets, taken as a whole, to any person, other than the Company or one of the
Company’s subsidiaries; provided, however, that none of the circumstances in this clause (a) shall be a Change of Control if the persons that beneficially own the Company’s Voting Stock immediately prior to the transaction own,
directly or indirectly, shares with a majority of the total voting power of all outstanding voting securities of the surviving or transferee person that are entitled to vote generally in the election of that person’s board of directors,
managers or trustees immediately after the transaction; 
 (b) the consummation of any transaction (including, without
limitation, any merger or consolidation), the result of which is that any person becomes the beneficial owner, directly or indirectly, of more than 50% of the Company’s outstanding Voting Stock or other Voting Stock into which the
Company’s Voting Stock is reclassified, consolidated, exchanged or changed, measured by voting power rather than number of shares; 
 (c) the Company consolidates with, or merges with or into, any person, or any person consolidates with, or merges with or into, the Company, in any such event pursuant to a transaction in which any of the
Company’s outstanding Voting Stock or the Voting Stock of such other person is converted into or exchanged for cash, securities or other property, other than any such transaction where the shares of the Company’s Voting Stock outstanding
immediately prior to such transaction constitute, or are converted into or exchanged for, a majority of the Voting Stock of the surviving person or any direct or indirect parent company of the surviving person immediately after giving effect to such
transaction; 
 (d) the first day on which a majority of the members of the Company’s Board of Directors are not Continuing
Directors; or 
 (e) the adoption of a plan relating to the liquidation or dissolution of the Company. 

 As used in this definition, the term “person” has the meaning given thereto in
Section 13(d)(3) of the Exchange Act. As used in this definition, the term “beneficial owner” has the meaning given thereto in Rules 13d-3 and 13d-5 of the Exchange Act. 

“Change of Control Triggering Event” means the occurrence of both a Change of Control and a Rating Event. 

“Continuing Directors” means, as of any date of determination, any member of the Company’s Board of Directors who
(1) was a member of such Board of Directors on the date the Notes were issued or (2) was nominated for election, elected or appointed to such Board of Directors with the approval of a majority of the Continuing Directors who were members
of such Board of Directors at the time of such nomination, election or appointment (either by a specific vote or by approval of the Company’s proxy statement in which such member was named as a nominee for election as a director, without
objection to such nomination). 
 “Fitch” means Fitch Inc., and its successors. 

“Investment Grade” means a rating equal to or higher than BBB- (or the equivalent) by Fitch, Baa3 (or the equivalent) by
Moody’s and BBB- (or the equivalent) by S&P, and the equivalent Investment Grade credit rating from any replacement Rating Agency or Rating Agencies selected by the Company. 

“Moody’s” means Moody’s Investors Service, Inc., and its successors. 

“Rating Agencies” means (1) each of Fitch, Moody’s and S&P; and (2) if any of Fitch, Moody’s or
S&P ceases to rate the Notes or fails to make a rating of the Notes publicly available for reasons outside of the Company’s control, a “nationally recognized statistical rating organization” within the meaning of Rule 15c3-1
(c)(2)(vi)(F) under the Exchange Act selected by the Company as a replacement agency for Fitch, Moody’s or S&P, or all of them, as the case may be. 
 “Rating Event” means a decrease in the ratings of the Notes below Investment Grade by at least two of the three Rating Agencies on any date from the date that is 60 days prior to the date
of the first public notice of an arrangement that could result in a Change of Control until the end of the 60-day period following the consummation of such Change of Control (which period shall be extended so long as the rating of the Notes is under
publicly announced consideration for possible downgrade by any of the Rating Agencies). 
 “S&P” means
Standard & Poor’s Rating Services, a division of The McGraw-Hill Companies, Inc., and its successors. 

“Voting Stock” means, with respect to any specified “person” (as that term is used in Section 13(d)(3) of
the Exchange Act) as of any date, the Capital 

 
Stock of such person that is at the time entitled to vote generally in the election of the board of directors of such person. 

The Notes are initially limited to $350,000,000 aggregate principal amount. The Company may from time to time, without notice to or the
consent of the Holders of the Notes, create and issue additional Notes ranking equally with the Notes in all respects (or in all respects other than the payment of interest accruing prior to the issue date of such further Notes or except for the
first payment of interest following the issue date of such further Notes). Such further Notes may be consolidated and form a single series with the Notes and have the same terms as to status, redemption or otherwise as the Notes; provided that the
Notes and such further Notes must be fungible with each other for U.S. federal income tax purposes. 
 The Notes are not
entitled to the benefit of any sinking fund. 
 The Indenture imposes certain limitations on the ability of the Company to,
among other things, merge or consolidate with any other Person or sell, convey, transfer or lease all or substantially all of its assets to any Person, and requires that the Company comply with certain further covenants, such as Limitations on Liens
and Limitations on Sale and Leaseback Transactions. All such covenants and limitations are subject to a number of important qualifications and exceptions. 
 The Indenture contains provisions for the defeasance at any time of (a) the entire indebtedness of the Company on this Note and (b) certain restrictive covenants and the related defaults and
Events of Default, upon compliance by the Company with certain conditions set forth therein, which provisions apply to this Note. 
 If an Event of Default with respect to Notes of this series shall occur and be continuing, the principal of the Notes of this series may (subject to the conditions set forth in the Indenture) be declared
due and payable in the manner and with the effect provided in the Indenture. 
 The Indenture contains provisions permitting,
with certain exceptions therein provided, the Company and the Trustee, without the consent of any of the Holders of the outstanding Notes, to modify and amend the Indenture for the purpose of, among other things, curing any ambiguity or correcting
or supplementing any provision contained in the Indenture which may be defective, mistaken or inconsistent with any other provision contained in the Indenture. 
 The Indenture also contains provisions permitting the Holders of a majority in aggregate principal amount of the outstanding Notes, on behalf of the Holders of all Notes, to waive any past default or
Event of Default with respect to the Notes and its consequences, except a default in the payment of the principal of or interest on any of the Notes or in respect of a covenant or other provision

 
which, under the terms of the Indenture, cannot be modified or amended without the consent of the Holder of each outstanding Note. 

No reference herein to the Indenture and no provision of this Note or of the Indenture shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of and interest on this Note at the times, place and rate, and in the currency, herein prescribed. 
 No recourse under or upon any obligation, covenant or agreement contained in the Indenture or any supplemental indenture, or in any Note, or because of any indebtedness evidenced thereby, shall be had
against any incorporator, as such, or against any past, present or future stockholder, officer or director, as such, of the Company or of any successor, either directly or through the Company or any successor, under any rule of law, statute or
constitutional provision or by the enforcement of any assessment or by any legal or equitable proceeding or otherwise, all such liability being expressly waived and released by the acceptance hereof and as part of the consideration for the issue
hereof. 
 This Note shall be governed by and construed in accordance with the law of the State of New York. 

All terms used in this Note which are defined in the Indenture shall have the meanings assigned to them in the Indenture 

 ASSIGNMENT FORM 

I or we assign and transfer this Security to 
  

 
 (Print or type name, address and
zip code of assignee or transferee) 
  
  

(Insert Social Security or other identifying number of assignee or transferee) 
 and irrevocably appoints
                                         
                            agent to transfer this Security on the books of the Issuer. The agent may
substitute another to act for him. 
  

									
	Dated:	 	                             
                       	 		 	Signed:  	 	 
		 		 		 		 	(Signed exactly as name appears on the other side of this Security)

  

					
			
	Signature Guarantee:	 	 	 	 
		 	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor program reasonably acceptable to the Trustee)

 SCHEDULE A 
 SCHEDULE OF INCREASES AND DECREASES 
 The following increases and decreases to this
Global Note have been made: 
  

									
	 Date of
 Increase or

Decrease
	 	Amount of
Decrease in
Principal
Amount of
this Global
Note	 	Amount of
Increase in
Principal
Amount of
this Global
Note	 	Principal
Amount of
this Global
Note
Following
Such
Decrease
(or Increase)	 	Signature of
Authorized
Officer of
Trustee or
Note
Custodian

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