Charles R Kaye Form 3 WEX / Joseph P. Landy ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Mustang HoldCo 1 LLC

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/05/2016

3. Issuer Name and Ticker or Trading Symbol
WEX Inc. [ WEX ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $0.01 par value per share ("Common Stock")	4,011,672	D(1)(2)(3)(4)(5)(6)(7)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Mustang HoldCo 1 LLC

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WARBURG PINCUS PRIVATE EQUITY (LEXINGTON) XI-A, L.P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WP (LEXINGTON) HOLDINGS II, L.P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WARBURG PINCUS XI (LEXINGTON) PARTNERS-A, L.P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WARBURG PINCUS XI (E&P) PARTNERS-B, L.P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WP MUSTANG CO-INVEST LLC

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WP MUSTANG CO-INVEST-B L.P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

WP MUSTANG CO-INVEST-C L.P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KAYE CHARLES R

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Landy Joseph P.

(Last) (First) (Middle)

C/O WARBURG PINCUS LLC

450 LEXINGTON AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

Explanation of Responses:

1. This Form 3 is being filed in connection with the issuance of shares of Common Stock of WEX Inc. (the "Issuer") pursuant to the Unit Purchase Agreement, dated October 18, 2015, by and among (i) the Issuer, (ii) Mustang HoldCo 1 LLC ("Mustang Holdco"), Warburg Pincus Private Equity (E&P) XI - B, L.P., Warburg Pincus Private Equity XI-C, L.P., WP XI Partners, L.P., Warburg Pincus Private Equity XI-B, L.P., WP Mustang Co-Invest-B L.P ("WP Co-Invest-B"), WP Mustang Co-Invest-C L.P. ("WP Co-Invest-C"), Warburg Pincus XI (E&P) Partners - B, L.P. ("WP XI E&P Partners-B"), Warburg Pincus (E&P) XI, L.P. ("WP E&P XI GP") (all of the entities listed in clause (ii) and this clause (iii), the "Sellers"), (iv) WP Mustang Topco LLC, and (v) Warburg Pincus Private Equity XI (Lexington), LLC.

2. As of July 1, 2016, Mustang Holdco is the holder of 4,011,672 shares of Common Stock of the Issuer.

3. The unitholders of Mustang Holdco include Warburg Pincus Private Equity (Lexington) XI - A, L.P. ("WP XI Lexington-A"), WP (Lexington) Holdings II, L.P. ("WP Lexington II"), Warburg Pincus XI (Lexington) Partners - A, L.P. ("WP XI Lexington Partners-A"), WP XI E&P Partners-B, WP Mustang Co-Invest LLC ("WP Co-Invest LLC"), WP Co-Invest-B, and WP Co-Invest-C.

4. WP E&P XI GP is (i) the general partner of WP XI Lexington-A, WP Lexington II, WP XI Lexington Partners-A, and WP XI E&P Partners-B, and (ii) the managing member of WP Co-Invest LLC. Warburg Pincus (E&P) XI LLC ("WP E&P XI LLC") is the general partner of WP E&P XI GP. Warburg Pincus Partners (E&P) XI LLC ("WPP E&P XI") is the sole member of WP E&P XI LLC. Warburg Pincus Partners II (US), L.P. ("WP Partners II US") is the managing member of WPP E&P XI. Warburg Pincus & Company US, LLC ("WP & Company US") is the general partner of WP Partners II US. Warburg Pincus LLC ("WP LLC") is the manager of WP XI Lexington-A, WP Lexington II, WP XI Lexington Partners-A, and WP XI E&P Partners-B.

5. Warburg Pincus (Bermuda) XI, Ltd. ("WP Bermuda XI") is the general partner of WP Co-Invest-B and WP Co-Invest-C. Warburg Pincus Partners II (Cayman), L.P. ("WPP II Cayman") is the sole shareholder of WP Bermuda XI. Warburg Pincus (Bermuda) Private Equity GP Ltd. ("WP Bermuda GP") is the general partner of WPP II Cayman. Mustang Holdco, WP XI Lexington-A, WP Lexington II, WP XI Lexington Partners-A, WP XI E&P Partners-B, WP Co-Invest LLC, WP Co-Invest-B, WP Co-Invest-C, WP E&P XI GP, WP E&P XI LLC, WPP E&P XI, WP Partners II US, WP & Company US, WP Bermuda XI, WPP II Cayman, WP Bermuda GP, and WP LLC are collectively referred to herein as the "Warburg Pincus Entities".

6. Charles R. Kaye and Joseph P. Landy are the Managing Members of WP & Company US, the Co-Chairmen and sole Directors of WP Bermuda GP, and the Managing Members and Co-Chief Executive Officers of WP LLC and, as such, may be deemed to control each of the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares of Common Stock of the Issuer held by the Warburg Pincus Entities. Messrs. Kaye and Landy together with the Warburg Pincus Entities are collectively referred to herein as the "Warburg Pincus Reporting Persons". Information with respect to each of the Warburg Pincus Reporting Persons is given solely by such Warburg Pincus Reporting Person, and no Warburg Pincus Reporting Person has responsibility for the accuracy or completeness of information supplied by another Warburg Pincus Reporting Person.

7. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Reporting Persons may be deemed to be beneficial owners of the 4,011,672 shares of Common Stock of the Issuer held by Mustang Holdco. The Warburg Pincus Reporting Persons disclaim beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein. As of the date of this filing, this Form 3 shall not be deemed an admission that any reporting person or any other person referred to herein is a beneficial owner of any securities of the Issuer for purposes of Section 16 of the Exchange Act, or for any other purpose, or that any reporting person or other person has an obligation to file this Form 3.

Remarks:

*The Powers of Attorney given by each of Mr. Kaye and Mr. Landy were previously filed with the U.S. Securities and Exchange Commission on July 11, 2016 as exhibits 99.2 and 99.3 to the statement on Schedule 13D filed by Warburg Pincus LLC with respect to WEX Inc. and are hereby incorporated by reference. (A) Solely for purposes of Section 16 of the Exchange Act, each of the Warburg Pincus Entities, Charles R. Kaye and Joseph P. Landy may be deemed directors-by-deputization by virtue of the Sellers' (and certain affiliates of WP LLC to whom the Sellers may transfer their shares) contractual right to appoint a director to the board of directors of the Issuer. As a result, the "Director" box is marked in Item 4 of this Form 3. (B) Due to the limitations on the number of Reporting Persons allowed on each Form 3, WP E&P XI GP, WP E&P XI LLC, WPP E&P XI, WP Partners II US, WP & Company US, WP Bermuda XI, WPP II Cayman, WP Bermuda GP, and WP LLC are filing a separate Form 3. (C) Entity names in the signature blocks have been abbreviated. Please refer to Notes (1), (3), (4), and (5) of this Form 3 for the complete legal name of such entities.

	MUSTANG HOLDCO, By: /s/ James Neary, President	07/15/2016
	WP XI LEXINGTON-A, By: WP E&P XI GP, its general partner ("GP"), By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Robert B. Knauss, Authorized Signatory	07/15/2016
	WP LEXINGTON II, By: WP E&P XI GP, its GP, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Robert B. Knauss, Authorized Signatory	07/15/2016
	WP XI LEXINGTON PARTNERS-A, By: WP E&P XI GP, its GP, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Robert B. Knauss, Authorized Signatory	07/15/2016
	WP XI E&P PARTNERS-B, By: WP E&P XI GP, its GP, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By /s/ Robert B. Knauss, Authorised Signatory	07/15/2016
	WP CO-INVEST LLC, By: WP E&P XI GP, its managing member, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By; /s/ Robert. B. Knauss, Authorized Signatory	07/15/2016
	WP CO-INVEST-B, By: WP Bermuda XI, its GP, By /s/ Robert B. Knauss, Authorised Signatory	07/15/2016
	WP CO-INVEST-C By: WP Bermuda XI, its GP, By: /s/ Robert B. Knauss, Authorised Signatory	07/15/2016
	CHARLES R. KAYE, By: /s/ Robert B. Knauss, Attorney-in-Fact*	07/15/2016
	JOSEPH P. LANDY, By: /s/ Robert B. Knauss, Attorney-in-Fact*	07/15/2016
	** Signature of Reporting Person	Date
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