Document:

Exhibit 10.1(d)

             LETTER AMENDMENT NO. 3 TO FIVE YEAR TERM LOAN AGREEMENT

                                                Dated as of December 31, 2005

To the banks, financial institutions
        and other institutional lenders
        (collectively, the "Lenders") parties
        to the Credit Agreement referred to
        below and to Citicorp North America, Inc., as agent
        (the "Agent") for the Lenders
              -----

Ladies and Gentlemen:

               We refer to the Five Year Term Loan Agreement dated as of
February 15, 2005, as amended as of March 1, 2005 and November 11, 2005 (the
"Credit Agreement") among the undersigned and you. Capitalized terms not
otherwise defined in this Letter Amendment have the same meanings as specified
in the Credit Agreement.

               It is hereby agreed by you and us as follows:

               The definition of "EBITDA" in Section 1.01 of the Credit
Agreement is amended by adding immediately after the phrase "such net income (or
net loss)" at the end of clause (f) the following: "and (g) without duplication
of clause (e) above, restructuring charges in an aggregate amount not to exceed
$35,000,000 taken between October 1, 2005 and June 30, 2006 related to the
consolidation of the Cytec Performance Specialties division and the Cytec
Surface Specialties division into a single unit".

               This Letter Amendment shall become effective as of the date first
above written when, and only when, the Agent shall have received counterparts of
this Letter Amendment executed by the undersigned and the Required Lenders or,
as to any of the Lenders, advice satisfactory to the Agent that such Lender has
executed this Letter Amendment.

               On and after the effectiveness of this Letter Amendment, each
reference in the Credit Agreement to "this Agreement", "hereunder", "hereof" or
words of like import referring to the Credit Agreement, and each reference in
the Notes and each of the other Loan Documents, if any, to "the Credit
Agreement", "thereunder", "thereof" or words of like import referring to the
Credit Agreement, shall mean and be a reference to the Credit Agreement, as
amended by this Letter Amendment.

               The Credit Agreement, the Notes and each of the other Loan
Documents, as specifically amended by this Letter Amendment, are and shall
continue to be in full force and effect and are hereby in all respects ratified
and confirmed. The execution, delivery and effectiveness of this Letter
Amendment shall not, except as expressly provided herein, operate as a waiver of
any right, power or remedy of any Lender or the Agent under the Credit
Agreement, nor constitute a waiver of any provision of the Credit Agreement.

<PAGE>

               If you agree to the terms and provisions hereof, please evidence
such agreement by executing and returning at least three counterparts of this
Letter Amendment to Susan L. Hobart, Shearman & Sterling LLP, 599 Lexington
Avenue, New York, New York 10022.

               This Letter Amendment may be executed in any number of
counterparts and by different parties hereto in separate counterparts, each of
which when so executed shall be deemed to be an original and all of which taken
together shall constitute one and the same agreement. Delivery of an executed
counterpart of a signature page to this Letter Amendment by telecopier shall be
effective as delivery of a manually executed counterpart of this Letter
Amendment.

               This Letter Amendment shall be governed by, and construed in
accordance with, the laws of the State of New York.

                                                     Very truly yours,

                                                     CYTEC INDUSTRIES INC.

                                                     By    /s/  T.P. Wozniak
                                                        ------------------------
                                                        Title: Treasurer

Agreed as of the date first above written:

CITICORP NORTH AMERICA, INC.,
        as Agent and as Lender

By       /s/ Daniel Gouger
         ------------------
Title:   Vice President

WACHOVIA BANK, NATIONAL ASSOCIATION

By       /s/ Barbara Van Meerten
         -----------------------
Title:   Director

ABN AMRO BANK N.V.

By       /s/ Robert H. Steelman
         ----------------------
Title:   Director

By       /s/ Luc Perrot
         --------------
Title:   Assistant Vice President

                                        2

<PAGE>

CALYON NEW YORK BRANCH

By       /s/ James D.A. Gibson
         ---------------------
Title:   Managing Director

By       /s/ Michael Madnick
         -------------------
Title:   Director

THE BANK OF NOVA SCOTIA

By       /s/ T.S. Meller
         ---------------
Title:   Managing Director

SUNTRUST BANK

By       /s/ Robert Maddox
         -----------------
Title:   Vice President

THE BANK OF NEW YORK

By       /s/ Ernest Fung
         ---------------
Title:   Vice President

COMMERZBANK AG, NEW YORK AND GRAND CAYMAN BRANCHES

By       /s/ Robert S. Traylor, Jr.
         --------------------------
Title:   Senior Vice President

By       /s/ Andrew P. Lusk
         ------------------
Title:   Vice President

FORTIS CAPITAL CORP.

By       /s/ Catherine Gilbert
         ---------------------
Title:   Vice President

By       /s/ Steven Silverstein
         ----------------------
Title:   Vice President

BAYERISCHE HYPO-UND VERSEINSBANK AG, NEW YORK BRANCH

By       /s/ Ken Hamilton
         ----------------
Title:   Director

                                        3

<PAGE>

By       /s/ Kimberly D. Sousa
         ----------------------
Title:   Director

PNC BANK, NATIONAL ASSOCIATION

By       /s/ Michael Nardo
         -----------------
Title:   Senior Vice President

SUMITOMO MITSUI BANKING CORP., NEW YORK

By       /s/ Yoshihiro Hyakutome
         -----------------------
Title:   Joint General Manager

THE BANK OF TOKYO-MITSUBISHI UFJ LTD.,
NEW YORK BRANCH,
successor by merger to UFJ Bank Ltd.

By       /s/ Maria Ferradas
         ------------------
Title:   Authorized Signatory

BANK OF CHINA, NEW YORK BRANCH

By       /s/ William Warren Smith
         ------------------------
Title:   Chief Lending Officer

KBC BANK, N.V.

By
         -------------------------
Title:

By
         -------------------------
Title:

BANK OF TAIWAN

By
         -------------------------
Title:

FIRST COMMERCIAL BANK

By
         -------------------------
Title:

STATE BANK OF INDIA

By
         -------------------------
Title:

CHANG HWA COMMERCIAL BANK, LTD.

By       /s/ Chen Yu Chen
         ----------------
Title:   Vice President & General Manager

                                        4Exhibit 10.1(f)

              LETTER AMENDMENT NO. 1 TO FIVE YEAR CREDIT AGREEMENT

                                                Dated as of November 18, 2005

To the banks, financial institutions
        and other institutional lenders
        (collectively, the "Lenders") parties
        to the Credit Agreement referred to
        below and to Citicorp North America, Inc., as agent
        (the "Agent") for the Lenders

Ladies and Gentlemen:

               We refer to the Five Year Credit Agreement dated as of February
15, 2005 (the "Credit Agreement") among the undersigned and you. Capitalized
terms not otherwise defined in this Letter Amendment have the same meanings as
specified in the Credit Agreement.

               It is hereby agreed by you and us as follows:

               Exhibit F to the Credit Agreement is, effective as of the date of
this Letter Amendment, hereby amended by deleting from Section 1 thereof the
phrase "any Hedge Agreements entered into by the Company and any Lender" and
substituting therefor the phrase "any Hedge Agreements entered into by the
Company and any Lender or any Affiliate of any Lender".

               This Letter Amendment shall become effective as of the date first
above written when, and only when, the Agent shall have received counterparts of
this Letter Amendment executed by the undersigned and the Required Lenders or,
as to any of the Lenders, advice satisfactory to the Agent that such Lender has
executed this Letter Amendment.

               On and after the effectiveness of this Letter Amendment, each
reference in the Credit Agreement to "this Agreement", "hereunder", "hereof" or
words of like import referring to the Credit Agreement, and each reference in
the Notes and each of the other Loan Documents, if any, to "the Credit
Agreement", "thereunder", "thereof" or words of like import referring to the
Credit Agreement, shall mean and be a reference to the Credit Agreement, as
amended by this Letter Amendment.

               The Credit Agreement, the Notes and each of the other Loan
Documents, as specifically amended by this Letter Amendment, are and shall
continue to be in full force and effect and are hereby in all respects ratified
and confirmed. The execution, delivery and effectiveness of this Letter
Amendment shall not, except as expressly provided herein, operate as a waiver of
any right, power or remedy of any Lender or the Agent under the Credit
Agreement, nor constitute a waiver of any provision of the Credit Agreement.

<PAGE>

               If you agree to the terms and provisions hereof, please evidence
such agreement by executing and returning at least three counterparts of this
Letter Amendment to Susan L. Hobart, Shearman & Sterling LLP, 599 Lexington
Avenue, New York, New York 10022.

               This Letter Amendment may be executed in any number of
counterparts and by different parties hereto in separate counterparts, each of
which when so executed shall be deemed to be an original and all of which taken
together shall constitute one and the same agreement. Delivery of an executed
counterpart of a signature page to this Letter Amendment by telecopier shall be
effective as delivery of a manually executed counterpart of this Letter
Amendment.

               This Letter Amendment shall be governed by, and construed in
accordance with, the laws of the State of New York.

                                                     Very truly yours,

                                                     CYTEC INDUSTRIES INC.

                                                     By: /S/ T. Wozniak
                                                         -----------------------
                                                         Title: Treasurer

Agreed as of the date first above written:

CITICORP NORTH AMERICA, INC.,
        as Agent and as Lender

By: /S/ Irina Lurye
    ---------------------------------------------
    Title: Director

WACHOVIA BANK, NATIONAL ASSOCIATION

By
    ---------------------------------------------
    Title:

ABN AMRO BANK N.V.

By
    ---------------------------------------------
    Title:

By
    ---------------------------------------------
    Title:

                                        2

<PAGE>

CALYON NEW YORK BRANCH

By: /S/ Yuri Muzichenko
    ---------------------------------------------
    Title: Vice President

By: /S/ Mike J. Madnick
    ---------------------------------------------
    Title: Director

THE BANK OF NOVA SCOTIA

By: /S/ Thane Rattew
    ---------------------------------------------
    Title: Managing Director

SUNTRUST BANK

By
    ---------------------------------------------
    Title:

THE BANK OF NEW YORK

By: /S/ Ernest Fung
    ---------------------------------------------
    Title: Vice President

COMMERZBANK AG, NEW YORK AND GRAND CAYMAN BRANCHES

By: /S/ Robert Traylor, Jr.
    ---------------------------------------------
    Title: Senior Vice President

By: /S/ Andrew P. Lusk
    ---------------------------------------------
    Title: Vice President

FORTIS CAPITAL CORP.

By: /S/ John W. Deegan
    ---------------------------------------------
    Title: Senior Vice President

By: /S/ Douglas Riahi
    ---------------------------------------------
    Title: Managing Director

BAYERISCHE HYPO-UND VERSEINSBANK AG, NEW YORK BRANCH

By
    ---------------------------------------------
    Title:

                                        3

<PAGE>

By
    ---------------------------------------------
    Title:

PNC BANK, NATIONAL ASSOCIATION

By: /S/ Michael Nardo
    ---------------------------------------------
    Title: Senior Vice President

SUMITOMO MITSUI BANKING CORP., NEW YORK

By
    ---------------------------------------------
    Title:

UFJ BANK LIMITED

By
    ---------------------------------------------
    Title:

BANK OF CHINA, NEW YORK BRANCH

By: /S/ William W. Smith
    ---------------------------------------------
    Title: Deputy General Manager

KBC BANK, N.V.

By
    ---------------------------------------------
    Title:

By
    --------------------------------------------
    Title:

                                        4

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