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     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 9, 2001

                                                    REGISTRATION NO. 333-
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                             ---------------------

                                    FORM S-1
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                             ---------------------

                            SHAMROCK LOGISTICS, L.P.
             (Exact name of registrant as specified in its charter)

                                                                
             DELAWARE                             4610                            74-2958817
 (State or other jurisdiction of      (Primary Standard Industrial             (I.R.S. Employer
  incorporation or organization)      Classification Code Number)            Identification No.)
6000 NORTH LOOP 1604 WEST SAN ANTONIO, TEXAS 78249-1112 (210) 592-2000 (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices) --------------------- CURTIS V. ANASTASIO PRESIDENT AND CHIEF EXECUTIVE OFFICER 6000 NORTH LOOP 1604 WEST SAN ANTONIO, TEXAS 78249 (210) 592-2000 (Name, address, including zip code, and telephone number, including area code, of agent for service) --------------------- Copies to: ANDREWS & KURTH L.L.P. BAKER BOTTS L.L.P. 600 TRAVIS, SUITE 4200 ONE SHELL PLAZA, 910 LOUISIANA HOUSTON, TEXAS 77002 HOUSTON, TEXAS 77002 (713) 220-4200 (713) 229-1234 ATTN: GISLAR DONNENBERG ATTN: JOSHUA DAVIDSON
--------------------- APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as practicable after this Registration Statement becomes effective. If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. [ ] If any of the securities registered on this Form are being offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. [ ] If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act of 1933, check the following box and list the Securities Act of 1933 registration statement number of the earlier effective registration statement for the same offering. [X] 333-43668 If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act of 1933, check the following box and list the Securities Act of 1933 registration statement number of the earlier effective registration statement for the same offering. [ ] If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act of 1933, check the following box and list the Securities Act of 1933 registration statement number of the earlier effective registration statement for the same offering. [ ] If delivery of the prospectus is expected to be made pursuant to Rule 434, please check the following box. [ ] --------------------- CALCULATION OF REGISTRATION FEE
- -------------------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------------------------------------------------------- PROPOSED MAXIMUM PROPOSED MAXIMUM TITLE OF EACH CLASS OF AMOUNT TO BE OFFERING PRICE AGGREGATE AMOUNT OF SECURITIES TO BE REGISTERED REGISTERED(1) PER COMMON UNIT(2) OFFERING PRICE(2) REGISTRATION FEE(3) - -------------------------------------------------------------------------------------------------------------------------------- Common Units representing limited partnership interests..................... 5,175,000 $24.50 $2,587,500 $646.88 - -------------------------------------------------------------------------------------------------------------------------------- - --------------------------------------------------------------------------------------------------------------------------------
(1) Includes Common Units issuable upon exercise of the Underwriters' over-allotment option. (2) Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(o). (3) The registrant previously paid a registration fee of $25,502.40 upon the initial filing of the registration statement on Form S-1 (333-43668) (the "Initial Registration Statement") August 14, 2000. An additional $5,606.25 was paid upon the filing of Amendment No. 4 to the Initial Registration Statement on February 28, 2001 and an additional $1,293.75 upon the filing of Amendment No. 5 to the Initial Registration Statement on March 29, 2001. The additional fee of $646.88 was calculated pursuant to Rule 457(o) by multiplying the $2,587,500 increase in the maximum aggregate offering price by the current SEC fee. - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 2 EXPLANATORY NOTE This registration statement is being filed with respect to the registration of additional Common Units representing limited partner interests in Shamrock Logistics, L.P., a Delaware limited partnership, pursuant to Rule 462(b) under the Securities Act of 1933, as amended. The contents of the registration statement on Form S-1 (Registration No. 333-43668) filed by Shamrock Logistics, L.P. with the Securities and Exchange Commission on August 14, 2000, as amended by Amendment No. 1 thereto filed on October 11, 2000, Amendment No. 2 thereto filed on November 6, 2000, Amendment No. 3 thereto filed on December 19, 2000, Amendment No. 4 thereto filed on February 28, 2001 and Amendment No. 5 thereto filed on March 29, 2001 which was declared effective on April 9, 2001 are incorporated herein by reference. The required opinions and consents are listed on an Exhibit Index attached hereto and filed herewith. 1 3 SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of San Antonio, State of Texas, on April 9, 2001. SHAMROCK LOGISTICS, L.P. By: RIVERWALK LOGISTICS, L.P. its general partner By: SHAMROCK LOGISTICS GP, LLC By: /s/ CURTIS V. ANASTASIO ------------------------------------ Name: Curtis V. Anastasio Title: President, Chief Executive Officer and Director PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED, THIS REGISTRATION STATEMENT HAS BEEN SIGNED BELOW BY THE FOLLOWING PERSONS IN THE CAPACITIES AND ON THE DATES INDICATED.
SIGNATURE TITLE DATE --------- ----- ---- * Chairman of the Board - ----------------------------------------------------- William R. Klesse /s/ CURTIS V. ANASTASIO President, Chief Executive Officer April 9, 2001 - ----------------------------------------------------- and Director (Principal Curtis V. Anastasio Executive Officer) * Chief Accounting and Financial - ----------------------------------------------------- Officer and Director (Principal Steven Blank Accounting and Financial Officer) * Director - ----------------------------------------------------- Timothy J. Fretthold * Director - ----------------------------------------------------- Robert S. Shapard By: /s/ CURTIS V. ANASTASIO ------------------------------------------------- Curtis V. Anastasio Attorney-in-fact Dated: April 9, 2001
2 4 INDEX TO EXHIBITS
EXHIBIT NUMBER DESCRIPTION ------- ----------- 1.1* -- Form of Underwriting Agreement 3.1* -- Certificate of Limited Partnership of Shamrock Logistics, L.P. 3.2* -- Certificate of Amendment to Certificate of Limited Partnership of Shamrock Logistics, L.P. 3.3* -- Form of Second Amended and Restated Agreement of Limited Partnership of Shamrock Logistics, L.P. (included as Appendix A to the Prospectus) 3.4* -- Certificate of Limited Partnership of Shamrock Logistics Operations, L.P. 3.5* -- Certificate of Amendment to Certificate of Limited Partnership of Shamrock Logistics Operations, L.P. 3.6* -- Form of Second Amended and Restated Agreement of Limited Partnership of Shamrock Logistics Operations, L.P. 3.7* -- Certificate of Limited Partnership of Riverwalk Logistics, L.P. 3.8* -- Agreement of Limited Partnership of Riverwalk Logistics, L.P. 3.9* -- Certificate of Formation of Shamrock Logistics GP, LLC 3.10* -- Amended and Restated Limited Liability Company Agreement of Shamrock Logistics GP, LLC 5.1 -- Opinion of Andrews & Kurth L.L.P. as to the legality of the securities being registered 8.1 -- Opinion of Andrews & Kurth L.L.P. relating to tax matters 10.1* -- Credit Agreement dated as of December 15, 2000 among Shamrock Logistics Operations, L.P., the Lenders party thereto, and The Chase Manhattan Bank, as Administrative Agent, Royal Bank of Canada, as Syndication Agent, Suntrust Bank, as Documentation Agent, Chase Securities Inc., as Arranger 10.2* -- Form of Contribution Agreement 10.3* -- Form of Shamrock Logistics GP, LLC Long-Term Incentive Plan 10.4* -- Form of Shamrock Logistics GP, LLC Short-Term Incentive Plan 10.5* -- Employment Agreement (Curtis V. Anastasio), as amended by Amendment No. 1 and Amendment No. 2 10.6* -- Form of Pipelines and Terminals Usage Agreement 10.7* -- Form of Omnibus Agreement 10.8* -- Form of Services Agreement 10.9* -- Form of Shamrock Logistics GP, LLC Intermediate-Term Incentive Plan 10.10* -- First Amendment to Credit Agreement dated as of February 23, 2001 21.1* -- List of subsidiaries of Shamrock Logistics, L.P. 23.1 -- Consent of Arthur Andersen LLP 23.2 -- Consent of Andrews & Kurth L.L.P. (contained in Exhibit 5.1 and 8.1) 24.1* -- Powers of Attorney (included on the signature page) 27.1* -- Financial Data Schedule
- --------------- * Incorporated by reference to the like number exhibit filed with the registrant's registration statement on Form S-1 (SEC File No. 333-43668).
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                                                                     EXHIBIT 5.1

                             ANDREWS & KURTH L.L.P.
                             600 Travis, Suite 4200
                              Houston, Texas 77002


                                  April 9, 2001




Shamrock Logistics, L.P.
6000 North Loop 1604 West
San Antonio, Texas 78249-1112

Gentlemen:

                  We have acted as special counsel to Shamrock Logistics, L.P.,
a Delaware limited partnership (the "Partnership"), Riverwalk Logistics, L.P., a
Delaware limited partnership and the general partner of the Partnership (the
"General Partner"), and Shamrock Logistics GP, LLC, a Delaware limited liability
company and the general partner of the General Partner, in connection with the
registration under the Securities Act of 1933, as amended (the "Act"), of the
offering and sale of up to an aggregate of 5,175,000 common units representing
limited partner interests in the Partnership (the "Common Units").

                  As the basis for the opinion hereinafter expressed, we have
examined such statutes, regulations, corporate records and documents,
certificates of corporate and public officials, and other instruments as we have
deemed necessary or advisable for the purposes of this opinion. In such
examination we have assumed the authenticity of all documents submitted to us as
originals and the conformity with the original documents of all documents
submitted to us as copies.

                  Based on the foregoing and on such legal considerations as we
deem relevant, we are of the opinion that:

                  1. The Partnership has been duly formed and is validly
existing as a limited partnership under the Delaware Revised Uniform Limited
Partnership Act (the "Delaware Act").

                  2. The Common Units will, when issued and paid for as
described in the Partnership's Registration Statement on Form S-1 (File No.
333-43668) (such Registration Statement, as amended at the effective date
thereof and together with the registration statement filed under Rule 462(b)
under the Securities Act of 1933, as amended, being collectively referred to
herein as the "Registration Statement") relating to the Common Units, as
amended, be duly authorized, validly issued, fully paid and nonassessable,
except as such nonassessability may be affected by the matters described below:
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Shamrock Logistics, L.P.
April 9, 2001
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         o    If a court were to determine that the existence or exercise of the
              right provided under the Second Amended and Restated Agreement of
              Limited Partnership of the Partnership (the "Partnership
              Agreement") by the holders of Common Units and subordinated units
              (the "Limited Partners") of the Partnership as a group (i) to
              remove or replace the General Partner, (ii) to approve certain
              amendments to the Partnership Agreement or (iii) to take certain
              other actions under the Partnership Agreement constitutes
              "participation in the control" of the Partnership's business for
              the purposes of the Delaware Act, then the Limited Partners could
              be held personally liable for the Partnership's obligations under
              the laws of Delaware, to the same extent as the General Partner
              with respect to persons who transact business with the Partnership
              reasonably believing, based on the conduct of any of the Limited
              Partners, that such Limited Partner is a general partner;

         o    Section 17-607 of the Delaware Act provides that a limited partner
              who receives a distribution and knew at the time of the
              distribution that it was made in violation of the Delaware Act
              shall be liable to the limited partnership for three years for the
              amount of the distribution; and

         o    Limitations on the liability of limited partners for the
              obligations of a limited partner have not been clearly established
              in many jurisdictions. If a court were to determine that the
              Partnership was, by virtue of its limited partner interest in
              Shamrock Logistics Operations, L.P. or otherwise, conducting
              business in any state without compliance with the applicable
              limited partnership statute, then the Limited Partners could be
              held personally liable for the Partnership's obligations under the
              law of that jurisdiction to the same extent as the General Partner
              under the circumstances.

         This opinion is limited in all respects to the Delaware Act and the
federal laws of the United States of America insofar as such laws are
applicable.

         We hereby consent to the use of this opinion as an exhibit to the
Registration Statement and to the reference to us under the caption "Validity of
the Common Units" in the Prospectus. In giving such consent, we do not hereby
admit that we are in the category of such persons whose consent is required
under Section 7 of the Securities Act of 1933, as amended.


                                      Very truly yours,

                                      /s/ Andrews & Kurth L.L.P.


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                                                                     EXHIBIT 8.1


                             ANDREWS & KURTH L.L.P.
                             600 Travis, Suite 4200
                              Houston, Texas 77002

                                  April 9, 2001




Shamrock Logistics, L.P.
6000 North Loop 1604 West
San Antonio, Texas 78249-1112


         RE:  SHAMROCK LOGISTICS, L.P.; REGISTRATION STATEMENT ON FORM S-1

Ladies and Gentlemen:

         We have acted as special counsel in connection with the Registration
Statement on Form S-1, Registration No. 333-43668 (such Registration Statement,
as amended at the effective date thereof and together with the registration
statement filed under Rule 462(b) under the Securities Act of 1933, as amended,
being collectively referred to herein as the "Registration Statement") of
Shamrock Logistics, L.P. (the "Partnership"), relating to the registration of
the offering and sale (the "Offering") of 4,500,000 common units (5,175,000
common units if the underwriters' over-allotment option is exercised in full)
representing limited partner interests in the Partnership (the "Common Units").
In connection therewith, we prepared the discussion set forth under the caption
"Tax Considerations" (the "Discussion") in the Registration Statement.
Capitalized terms used and not otherwise defined herein are used as defined in
the Registration Statement.

         The Discussion, subject to the qualifications stated therein,
constitutes our opinion as to the material United States federal income tax
consequences for purchasers of Common Units pursuant to the Offering.

         We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement and to the use of our name in the Discussion. The
issuance of such consent does not concede that we are an "expert" for the
purposes of the Securities Act of 1933.

                                           Very truly yours,

                                           /s/ ANDREWS & KURTH L.L.P.

                                           Andrews & Kurth L.L.P.
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                                                                    EXHIBIT 23.1

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

     As independent public accountants, we hereby consent to the use of our
report dated February 23, 2001 on the financial statements of Shamrock
Logistics Operations, L.P. (successor to the Ultramar Diamond Shamrock
Logistics Business) as of December 31, 1999 (predecessor) and 2000 (successor)
and for the years ended December 31, 1998 and 1999 and the six months ended
June 30, 2000 (predecessor) and for the six months ended December 31, 2000
(successor) and our reports dated March 21, 2001 on the financial statements of
Shamrock Logistics, L.P. and Riverwalk Logistics, L.P. and subsidiaries as of
December 31, 2000 (and to all references to our firm) included in or made a
part of this registration statement.


                                                         /s/ ARTHUR ANDERSEN LLP


San Antonio, Texas
April 6, 2001