Washington, D.C. 20549

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)

(Date of Event which Requires Filing of this Statement)

(Continued on following pages)

 

 

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

2

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

CUSIP No.		87611X105

(1) The reporting person expressly disclaims beneficial ownership with respect to any common units other than the common units owned of record by such reporting person.

(2) The common units presented as being beneficially owned by the reporting person represent the number of common units of the Issuer that may be attributable to such reporting person based on such reporting person’s ownership of equity interests in Targa Resources Investments Inc.

(3) Based on 46,212,231 common units outstanding as of August 1, 2009, as reported in the Issuer’s Form 10-Q for the quarter ended June 30, 2009, plus (i) the 8,527,615 common units issued on September 24, 2009 in connection with the closing of the Issuer’s acquisition of a natural gas liquids business and (ii) the 6,900,000 common units issued by the Issuer on August 12, 2009 in a public offering.

Item 1. Security and Issuer

     This schedule relates to the common units (the “Common Units”) of Targa Resources Partners LP, a Delaware limited partnership (the “Partnership”), which has its principal executive offices at 1000 Louisiana Street, Suite 4300, Houston, Texas 77002. The Common Units represent limited partner interests in the Partnership.

Item 2. Identity and Background

     (a) This Schedule 13D is filed by and on behalf of (a) Warburg Pincus Private Equity VIII, L.P., a Delaware limited partnership, Warburg Pincus Netherlands Private Equity VIII, I, C.V., a company organized under the laws of the Netherlands, WP-WP VIII Investors, L.P., a Delaware limited partnership (collectively, “WP VIII”); (b) Warburg Pincus Private Equity IX, L.P., a Delaware limited partnership (“WP IX” and together with WP VIII, the “Funds”); (c) Warburg Pincus Partners, LLC, a New York limited liability company (“WP Partners”), (d) Warburg Pincus IX, LLC, a New York limited liability company (“WP IX LLC”); (e) Warburg Pincus & Co., a New York general partnership (“WP”), (f) Warburg Pincus LLC, a New York limited liability company (“WP LLC”), and (g) Messrs. Charles R. Kaye and Joseph P. Landy, each a Managing General Partner of WP and Co-President and Managing Member of WP LLC (Mr. Kaye, Mr. Landy, WP VIII, WP IX, WP Partners, WP IX LLC, WP and WP LLC collectively being referred to herein as the “Warburg Pincus Reporting Persons”)

     The Warburg Pincus Reporting Persons are making this single, joint filing because they may be deemed to constitute a “group” within the meaning of Section 13(d)-3 of the Exchange Act. The joint filing agreement among the Warburg Pincus Reporting Persons to file this Schedule 13D jointly in accordance with Rule 13d-1(k) of the Exchange Act is attached hereto as Exhibit 99.1 (the “Joint Filing Agreement”).

     (b) The address of the principal business and principal office of each of the Warburg Pincus Reporting Persons is c/o Warburg Pincus LLC, 450 Lexington Avenue, New York, NY 10017. The general partners of WP and the members and managing directors of WP LLC (together, the “Scheduled Persons”), and their respective business addresses, are set forth on Schedule I hereto.

     (c) The principal business of the Funds is that of making private equity and related investments. The principal business of WP is acting as the managing member of WP Partners. The principal business of WP Partners is acting as general partner to certain private equity funds, including WP VIII, and as the sole member of WP IX LLC. The principal business of WP IX LLC is acting as general partner of WP IX. The principal business of WP LLC is to manage each of the Funds. The principal business of each of Mr. Kaye and Mr. Landy is acting as a Managing General Partner of WP and Co-President and Managing Member of WP LLC. The principal occupation of each of the Scheduled Persons is set forth on Schedule I hereto.

     (d) During the last five years, none of the Warburg Pincus Reporting Persons and, to the knowledge of the Warburg Pincus Reporting Persons, none of the Scheduled Persons, has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

     (e) During the last five years, none of the Warburg Pincus Reporting Persons and, to the knowledge of the Warburg Pincus Reporting Persons, none of the Scheduled Persons, has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violations with respect to such laws.

     (f) WP VIII and WP IX are each Delaware limited partnerships, WP Partners, WP IX LLC and WP LLC are each New York limited liability companies, WP is a New York general partnership, and Messrs. Kaye and Landy are each U.S. citizens. Except as otherwise indicated on Schedule I hereto, each of the Scheduled Persons is a U.S. citizen.

Item 3. Source and Amount of Funds or Other Consideration

     On September 24, 2009, the Partnership closed its acquisition of the natural gas liquids business owned by Targa GP Inc. (“GP Inc.”) and Targa LP Inc. (“LP Inc.”) pursuant to the Purchase and Sale Agreement (the “Purchase and Sale Agreement”), dated July 27, 2009, by and between GP Inc. and LP Inc., as Sellers, and the Partnership, as Buyer. At closing, the Partnership issued 4,176,791 Common Units to GP Inc. and 4,350,824 Common Units to LP Inc., each valued at $15.227 per Common Unit, pursuant to the Purchase and Sale Agreement as partial consideration for the natural gas liquids business. WP VIII and WP IX, in the aggregate, beneficially own 78.6% of Targa Resources Investments Inc. (“Targa Investments”). Targa Investments indirectly owns all of the interests in GP Inc. and LP Inc.

Item 4. Purpose of Transaction

     The indirect acquisition of Common Units by the Funds was effected because of the belief that the Common Units represent an attractive investment. The Warburg Pincus Reporting Persons intend to review their indirect investment in the Partnership on a continuing basis and will routinely monitor a wide variety of investment considerations, including, without limitation, current and anticipated future trading prices for the Common Units and other securities of the Partnership, if any, the Partnership’s financial position, operations, assets, prospects, strategic direction and business and other developments affecting the Partnership and its subsidiaries, the management and Board of Directors of the Partnership’s general partner, which is an indirect, wholly-owned subsidiary of Targa Investments, Partnership-related competitive and strategic matters, conditions in the securities and financial markets, tax considerations, general market, economic and industry conditions, other investment and business opportunities available to the Warburg Pincus Reporting Persons and other factors considered relevant. The Warburg Pincus Reporting Persons may from time to time take such actions with respect to their indirect investment in the Partnership as they deem appropriate, including, without limitation, (i) directly or indirectly acquiring additional Common Units or directly or indirectly disposing of some or all of their Common Units (or other securities of the Partnership, if any) or engaging in discussions with the Partnership and its subsidiaries concerning future transactions with the Partnership and its subsidiaries, including, without limitation, extraordinary partnership transactions and acquisitions or dispositions of Common Units or other securities of the Partnership or any subsidiary thereof, (ii) changing their current intentions with respect to any or all matters referred to in this Item 4 and (iii) engaging in hedging, derivative or similar transactions with respect to

any securities of the Partnership. Any direct or indirect acquisition or disposition of the Partnership’s securities may be made by means of open-market purchases or dispositions, privately negotiated transactions, direct acquisitions from or dispositions to the Partnership or a subsidiary thereof or otherwise.

     As disclosed in Targa Resources, Inc.’s (“Targa”) Annual Report on Form 10-K for the year ended December 31, 2008 and in the Partnership’s Annual Report on Form 10-K for the year ended December 31, 2008, each filed with the Securities and Exchange Commission, the Partnership plans to pursue acquisition and other growth opportunities from Targa, which is indirectly owned by Targa Investments. In addition, Targa has indicated that it intends to use the Partnership as a growth vehicle to pursue the acquisition and expansion of midstream natural gas, natural gas liquids and other complementary energy businesses and assets. The Partnership intends to finance drop-downs from Targa through a combination of debt and equity securities, including commercial debt facilities and public and private offerings of debt and equity securities.

     The following describes plans or proposals that the Warburg Pincus Reporting Persons may have with respect to the matters set forth in Item 4(a)-(j) of Schedule 13D:

     (a) None.

     (b) None.

     (c) None.

     (d) None.

     (e) None.

     (f) None.

     (g) None.

     (h) None.

     (i) None.

     (j) Except as described in this Item 4, none of the Warburg Pincus Reporting Persons nor, to the knowledge of the Warburg Pincus Reporting Persons, any of the Scheduled Persons, has, as of the date of this Schedule 13D, any other plans or proposals that relate to or would result in any of the actions or events specified in clauses (a) through (i) of Item 4 of Schedule 13D.

Item 5. Interest in Securities of the Issuer

(a)

(1)

GP Inc. is the record and beneficial owner of an aggregate of 9,626,129 Common Units. These holdings represent approximately 15.6% of the outstanding Common Units. LP Inc. is the record and beneficial owner of an aggregate of 10,429,717 Common Units. These holdings represent approximately 16.9% of the outstanding Common Units.

	(2)		Due to their respective relationships with the Funds and each other, as of September 24, 2009, each of the Warburg Pincus Reporting Persons may be deemed to beneficially own, in the aggregate, 15,763,895 Common Units, representing approximately 25.6% of the outstanding Common Units.
	(3)		Please see the information in Items 7 through 11 of the cover pages hereto for the aggregate number and percentage of Common Units that the Warburg Pincus Reporting Persons may be deemed to beneficially own. WP VIII may be deemed to share dispositive and voting power with respect to 10,092,818 Common Units, representing approximately 16.4% of the outstanding Common Units. WP IX and WP IX LLC may be deemed to share dispositive and voting power with respect to 5,671,077 Common Units, representing approximately 9.2% of the outstanding Common Units. WP Partners, WP, WP LLC and Messrs. Kaye and Landy may be deemed to share dispositive and voting power with respect to 15,763,895 Common Units, representing approximately 25.6% of the outstanding Common Units.

     The following Scheduled Persons beneficially own the indicated number of Common Units: Mr. Peter R. Kagan — 8,000 Common Units; Mr. Chansoo Joung — 8,000 Common Units. None of the Scheduled Persons beneficially owns in excess of 1% of the outstanding Common Units.

     (b) The information set forth in Items 7 through 11 of the cover pages hereto is incorporated herein by reference. Each of WP Partners, WP IX LLC, WP and WP LLC may be deemed to share with the Funds the power to vote or to direct the vote and to dispose or to direct the disposition of the 15,763,895 Common Units the Funds may be deemed to beneficially own as of September 24, 2009. Charles R. Kaye and Joseph P. Landy are Managing General Partners of WP and Managing Members and Co-Presidents of WP LLC and may be deemed to control the other Warburg Pincus Reporting Persons. Messrs. Kaye and Landy disclaim beneficial ownership of all Common Units held by the Funds. Neither the filing of this Schedule 13D nor any of its contents shall be deemed to constitute an admission that any Warburg Pincus

Reporting Person or any of its affiliates is the beneficial owner of any Common Units for purposes of Section 13(d) of the Exchange Act or for any other purpose.

     (c) On September 24, 2009, the Partnership issued 4,176,791 Common Units to GP Inc. and 4,350,824 Common Units to LP Inc. pursuant to the Purchase and Sale Agreement. Other than this issuance, which is described in Item 3 hereof, during the last sixty (60) days there were no transactions in the Common Units effected by the Warburg Pincus Reporting Persons, nor, to the best of their knowledge, any of Scheduled Persons.

     (d) GP Inc. and LP Inc. have the right to receive distributions from, and the proceeds from the sale of, the Common Units that they directly own. The Funds, in the aggregate, beneficially own 78.6% of Targa Investments. Based on their ownership in Targa Investments, the Funds may be deemed to beneficially own the Common Units directly owned by GP Inc. and LP Inc. in proportion to the Funds’ ownership interest in Targa Investments, as reported in this Schedule 13D. Except for the foregoing and the cash distributions as described in the Partnership Agreement, no other person is known by the Reporting Persons or, to the Reporting Persons’ knowledge, the Scheduled Persons, to have the right to receive or the power to direct the receipt of distributions from, or the proceeds from the sale of, the Common Units that the Reporting Persons may be deemed to beneficially own.

     (e) Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

     The Common Units the Reporting Persons may be deemed to have acquired on September 24, 2009 were acquired in a private placement pursuant to the Purchase and Sale Agreement and are restricted securities. Certain transfer restrictions and voting rights of the holders of the Common Units and the allocation of profits and lossess among the partners are set forth in the Partnership Agreement, which is incorporated herein by reference. The Common Units issued pursuant to the Purchase and Sale Agreement will be pledged to the lenders under the Credit Agreement dated October 31, 2005 between Targa Resources, Inc., the lenders named therein, Credit Suisse, as Administrative Agent, Swing Line Lender, Revolving L/C Issuer and Synthetic L/C Issuer, Credit Suisse and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as Joint Lead Arrangers, Credit Suisse, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and Goldman Sachs Credit Partners L.P., as Joint Bookrunners, Merrill Lynch Capital Corporation, as Syndication Agent, and Bank of America, N.A., Lehman Commercial Paper Inc. and Wachovia Bank, N.A. as Co-Documentation Agents.

     Pursuant to Rule 13d-1(k) promulgated under the Exchange Act, the Warburg Pincus Reporting Persons have entered into the Joint Filing Agreement, attached hereto as Exhibit 99.1, with respect to the joint filing of this Schedule 13D.

Item 7. Material to Be Filed as Exhibits

Exhibit 2.1:

Purchase and Sale Agreement, dated as of July 27, 2009, by and between Targa GP, Inc., Targa LP Inc. and Targa Resources Partners LP (incorporated by

		reference to Exhibit 2.1 to Targa Resources Partners LP’s Current Report on Form 8-K filed July 29, 2009 (File No. 1-33303)).
Exhibit 4.1:		First Amended and Restated Limited Partnership Agreement of Targa Resources Partners LP, dated as of February 14, 2007 (incorporated by reference to Exhibit 3.1 to Targa Resources Partners LP’s Current Report on Form 8-K filed February 16, 2007 (File No. 1-33303)).
Exhibit 4.2:		Amendment No. 1, dated May 13, 2008, to the First Amended and Restated Limited Partnership Agreement of Targa Resources Partners LP (incorporated by reference to Exhibit 3.5 to Targa Resources Partners LP’s Quarterly Report on Form 10-Q filed May 14, 2008 (File No. 1-33303)).
Exhibit 99.1:		Joint Filing Agreement among the parties regarding filing of Schedule 13D, dated September 28, 2009 ..

SIGNATURES

     After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

EXHIBIT INDEX

Exhibit 2.1:		Purchase and Sale Agreement, dated as of July 27, 2009, by and between Targa GP, Inc., Targa LP Inc. and Targa Resources Partners LP (incorporated by reference to Exhibit 2.1 to Targa Resources Partners LP’s Current Report on Form 8-K filed July 29, 2009 (File No. 1-33303)).
Exhibit 4.1:		First Amended and Restated Limited Partnership Agreement of Targa Resources Partners LP, dated as of February 14, 2007 (incorporated by reference to Exhibit 3.1 to Targa Resources Partners LP’s Current Report on Form 8-K filed February 16, 2007 (File No. 1-33303)).
Exhibit 4.2:		Amendment No. 1, dated May 13, 2008, to the First Amended and Restated Limited Partnership Agreement of Targa Resources Partners LP (incorporated by reference to Exhibit 3.5 to Targa Resources Partners LP’s Quarterly Report on Form 10-Q filed May 14, 2008 (File No. 1-33303)).
Exhibit 99.1:		Joint Filing Agreement among the parties regarding filing of Schedule 13D, dated September 28, 2009.

SCHEDULE I

     Set forth below is the name, position and present principal occupation of each of the general partners of Warburg Pincus & Co. (“WP”) and members of Warburg Pincus LLC (including its subsidiaries, “WP LLC”). Except as otherwise indicated, the business address of each of such persons is 450 Lexington Avenue, New York, New York 10017, and each of such persons is a citizen of the United States.

GENERAL PARTNERS OF WP

		PRESENT PRINCIPAL OCCUPATION IN ADDITION
		TO POSITION WITH WP, AND POSITIONS
NAME		WITH THE REPORTING ENTITIES
Scott A. Arenare		Partner of WP; Member and Managing Director of WP LLC
David Barr		Partner of WP; Member and Managing Director of WP LLC
Alain J.P. Belda		Partner of WP; Member and Managing Director of WP LLC
Alexander Berzofsky		Partner of WP; Member and Managing Director of WP LLC
Sean D. Carney		Partner of WP; Member and Managing Director of WP LLC
Mark Colodny		Partner of WP; Member and Managing Director of WP LLC
David A. Coulter		Partner of WP; Member and Managing Director of WP LLC
Timothy J. Curt		Partner of WP; Member and Managing Director of WP LLC
Cary J. Davis		Partner of WP; Member and Managing Director of WP LLC
Steven Glenn		Partner of WP; Member and Managing Director of WP LLC
Michael Graff		Partner of WP; Member and Managing Director of WP LLC
Patrick T. Hackett		Partner of WP; Member and Managing Director of WP LLC
E. Davisson Hardman		Partner of WP; Managing Director of WP LLC
Jeffrey A. Harris		Partner of WP; Member and Managing Director of WP LLC
In Seon Hwang		Partner of WP; Member and Managing Director of WP LLC
William H. Janeway		Partner of WP; Member and Senior Advisor of WP LLC
Chansoo Joung		Partner of WP; Member and Managing Director of WP LLC
Peter R. Kagan		Partner of WP; Member and Managing Director of WP LLC
Charles R. Kaye		Managing General Partner of WP; Managing Member and Co-President of WP LLC
Henry Kressel		Partner of WP; Member and Managing Director of WP LLC
David Krieger		Partner of WP; Member and Managing Director of WP LLC
Kevin Kruse		Partner of WP; Member and Managing Director of WP LLC
Joseph P. Landy		Managing General Partner of WP; Managing Member and Co-President of WP LLC
Kewsong Lee		Partner of WP; Member and Managing Director of WP LLC
Jonathan S. Leff		Partner of WP; Member and Managing Director of WP LLC
Michael Martin		Partner of WP; Member and Managing Director of WP LLC
James Neary		Partner of WP; Member and Managing Director of WP LLC
Dalip Pathak		Partner of WP; Member and Managing Director of WP LLC
Michael F. Profenius		Partner of WP; Managing Director of WP LLC
Justin Sadrian		Partner of WP; Member and Managing Director of WP LLC
Henry B. Schacht		Partner of WP; Member and Senior Advisor of WP LLC
Steven G. Schneider		Partner of WP; Member and Managing Director of WP LLC
Patrick Severson		Partner of WP; Member and Managing Director of WP LLC
John Shearburn		Partner of WP; Member and Managing Director of WP LLC
Barry Taylor		Partner of WP; Member and Managing Director of WP LLC
Christopher H. Turner		Partner of WP; Member and Managing Director of WP LLC
John L. Vogelstein		Partner of WP; Member and Senior Advisor of WP LLC
Elizabeth H. Weatherman		Partner of WP; Member and Managing Director of WP LLC

		PRESENT PRINCIPAL OCCUPATION IN ADDITION
		TO POSITION WITH WP, AND POSITIONS
NAME		WITH THE REPORTING ENTITIES
Rosanne Zimmerman		Partner of WP; Member and Managing Director of WP LLC
Pincus & Company LLC*
WP & Co. Partners, L.P.**
Warburg Pincus Principal Partnership, L.P.***
Warburg Pincus Real Estate Principal Partnership, L.P.***
Warburg Pincus 2006 Limited Partnership***
Warburg Pincus 2007 Limited Partnership***

MEMBERS OF WP LLC

		PRESENT PRINCIPAL OCCUPATION IN ADDITION
		TO POSITION WITH WP LLC, AND POSITIONS
NAME		WITH THE REPORTING ENTITIES
Scott A. Arenare		Member and Managing Director of WP LLC; Partner of WP
David Barr		Member and Managing Director of WP LLC; Partner of WP
Alain J.P. Belda		Member and Managing Director of WP LLC; Partner of WP
Alexander Berzofsky		Member and Managing Director of WP LLC; Partner of WP
Sean D. Carney		Member and Managing Director of WP LLC; Partner of WP
Julian Cheng (1)		Member and Managing Director of WP LLC
Stephen John Coates (2)		Member and Managing Director of WP LLC
Mark Colodny		Member and Managing Director of WP LLC; Partner of WP
David A. Coulter		Member and Managing Director of WP LLC; Partner of WP
Timothy J. Curt		Member and Managing Director of WP LLC; Partner of WP
Cary J. Davis		Member and Managing Director of WP LLC; Partner of WP
Martin D. Dunnett (2)		Member and Managing Director of WP LLC
Robert Feuer (3)		Member and Managing Director of WP LLC
Rajiv Ghatalia (1)		Member and Managing Director of WP LLC
Steven Glenn		Member and Managing Director of WP LLC; Partner of WP
Michael Graff		Member and Managing Director of WP LLC; Partner of WP
Patrick T. Hackett		Member and Managing Director of WP LLC; Partner of WP
Jeffrey A. Harris		Member and Managing Director of WP LLC; Partner of WP
In Seon Hwang		Member and Managing Director of WP LLC; Partner of WP
William H. Janeway		Member and Senior Advisor of WP LLC; Partner of WP
Chansoo Joung		Member and Managing Director of WP LLC; Partner of WP
Peter R. Kagan		Member and Managing Director of WP LLC; Partner of WP
Charles R. Kaye		Managing Member and Co-President of WP LLC; Managing General Partner of WP
Rajesh Khanna (4)		Member and Managing Director of WP LLC
Henry Kressel		Member and Managing Director of WP LLC; Partner of WP
David Krieger		Member and Managing Director of WP LLC; Partner of WP
Kevin Kruse		Member and Managing Director of WP LLC; Partner of WP
Joseph P. Landy		Managing Member and Co-President of WP LLC; Managing General Partner of WP
Kewsong Lee		Member and Managing Director of WP LLC; Partner of WP
Jonathan S. Leff		Member and Managing Director of WP LLC; Partner of WP
David Li (1)		Member and Managing Director of WP LLC
Vishal Mahadevia (4)		Member and Managing Director of WP LLC
Niten Malhan (4)		Member and Managing Director of WP LLC
Michael Martin		Member and Managing Director of WP LLC; Partner of WP
Luca Molinari (5)		Member and Managing Director of WP LLC
James Neary		Member and Managing Director of WP LLC; Partner of WP
Dalip Pathak		Member and Managing Director of WP LLC; Partner of WP
Leo Puri (4)		Member and Managing Director of WP LLC
Justin Sadrian		Member and Managing Director of WP LLC; Partner of WP
Adarsh Sarma (4)		Member and Managing Director of WP LLC
Henry B. Schacht		Member and Senior Advisor of WP LLC; Partner of WP
Steven G. Schneider		Member and Managing Director of WP LLC; Partner of WP
Joseph C. Schull (6)		Member and Managing Director of WP LLC
Patrick Severson		Member and Managing Director of WP LLC; Partner of WP
John Shearburn		Member and Managing Director of WP LLC; Partner of WP

		PRESENT PRINCIPAL OCCUPATION IN ADDITION
		TO POSITION WITH WP LLC, AND POSITIONS
NAME		WITH THE REPORTING ENTITIES
Chang Q. Sun (1)		Member and Managing Director of WP LLC
Barry Taylor		Member and Managing Director of WP LLC; Partner of WP
Christopher H. Turner		Member and Managing Director of WP LLC; Partner of WP
Simon Turton (2)		Member and Managing Director of WP LLC
John L. Vogelstein		Member and Senior Advisor of WP LLC; Partner of WP
Elizabeth H. Weatherman		Member and Managing Director of WP LLC; Partner of WP
Peter Wilson (2)		Member and Managing Director of WP LLC
Jeremy S. Young (2)		Member and Managing Director of WP LLC
Rosanne Zimmerman		Member and Managing Director of WP LLC; Partner of WP
Pincus & Company LLC*

As of September 15, 2009

Exhibit 99.1

AGREEMENT OF FILING OF SCHEDULE 13D

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D with respect to the common units, representing limited partnership interests, of Targa Resources Partners LP is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of additional joint filing statements. The undersigned acknowledge that each shall be responsible for the timely fling of such amendments, and for the completeness and accuracy of the information concerning it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that it knows or has reason to believe that such information is inaccurate. This Agreement may be executed in any number of counterparts and all such counterparts taken together shall constitute one and the same instrument.