Common use of BORROWERS AND GUARANTORS Clause in Contracts

BORROWERS AND GUARANTORS. WESTLAKE CHEMICAL CORPORATION, a Delaware corporation WESTLAKE PVC CORPORATION, a Delaware corporation WESTLAKE VINYLS, INC., a Delaware corporation NORTH AMERICAN BRISTOL CORPORATION, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above Borrowers NORTH AMERICAN PIPE CORPORATION, a Delaware corporation VAN BUREN PIPE CORPORATION, a Delaware corporation WESTECH BUILDING PRODUCTS, INC., a Delaware corporation WESTECH PROFILES LIMITED, a Delaware corporation By: /s/ Xxxxx X. Xxxxx Xxxxx X. Xxxxx President of the above Borrowers WESTLAKE VINYLS COMPANY LP, a Delaware limited partnership By: GVGP, Inc., its general partner WESTLAKE PETROCHEMICALS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE POLYMERS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE STYRENE LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner WPT LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the general partners of the above Borrowers GUARANTORS: GVGP, INC., a Delaware corporation WESTLAKE CHEMICAL HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL INVESTMENTS, INC., a Delaware corporation WESTLAKE MANAGEMENT SERVICES, INC., a Delaware corporation WESTLAKE OLEFINS CORPORATION, a Delaware corporation WESTLAKE RESOURCES CORPORATION, a Delaware corporation WESTLAKE VINYL CORPORATION, a Delaware corporation WESTLAKE INTERNATIONAL CORPORATION, a Delaware corporation WESTLAKE NG I CORPORATION, a Delaware corporation WESTLAKE NG II CORPORATION a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above entities GEISMAR HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL MANUFACTURING, INC., a Delaware corporation WESTLAKE CHEMICAL PRODUCTS, INC., a Delaware corporation WESTLAKE DEVELOPMENT CORPORATION, a Delaware corporation By: /s/ R. Xxxxxxx Xxxxxx R. Xxxxxxx Xxxxxx President of the above entities

BORROWERS AND GUARANTORS. WESTLAKE CHEMICAL CORPORATION, a Delaware corporation WESTLAKE PVC CORPORATION, a Delaware corporation WESTLAKE VINYLS, INC., a Delaware corporation NORTH AMERICAN BRISTOL CORPORATION, a Delaware corporation WESTLAKE LONGVIEW CORPORATION, a Delaware corporation WESTLAKE ETHYLENE PIPELINE CORPORATION, a Delaware corporation WESTLAKE SUPPLY AND TRADING COMPANY, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above Borrowers Westlake A&R Credit Agreement NORTH AMERICAN PIPE CORPORATION, a Delaware corporation VAN BUREN PIPE CORPORATION, a Delaware corporation WESTECH BUILDING PRODUCTS, INC., a Delaware corporation WESTECH PROFILES LIMITED, a Delaware corporation By: /s/ Xxxxx X. Xxxxx Xxxxx X. Xxxxx President of the above Borrowers Westlake A&R Credit Agreement WESTLAKE VINYLS COMPANY LP, a Delaware limited partnership By: GVGP, Inc., its general partner WESTLAKE PETROCHEMICALS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE POLYMERS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE STYRENE LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner WPT LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the general partners partner of the above Borrower WESTLAKE PETROCHEMICALS LLC, a Delaware limited liability company WESTLAKE POLYMERS LLC, a Delaware limited liability company WESTLAKE STYRENE LLC, a Delaware limited liability company WPT LLC, a Delaware limited liability company By: Westlake Chemical Investments, Inc., its manager By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the manager of the above Borrowers Westlake A&R Credit Agreement GUARANTORS: GVGPGEISMAR HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL HOLDINGSDEVELOPMENT CORPORATION, a Delaware corporation GVGP, INC., a Delaware corporation WESTLAKE CHEMICAL INVESTMENTS, INC., a Delaware corporation WESTLAKE MANAGEMENT SERVICES, INC., a Delaware corporation WESTLAKE OLEFINS CORPORATION, a Delaware corporation WESTLAKE RESOURCES CORPORATION, a Delaware corporation WESTLAKE VINYL CORPORATION, a Delaware corporation WESTLAKE INTERNATIONAL CORPORATION, a Delaware corporation WESTLAKE NG I CORPORATION, a Delaware corporation WESTLAKE NG II CORPORATION III CORPORATION, a Delaware corporation WESTLAKE NG IV CORPORATION, a Delaware corporation WESTLAKE NG V CORPORATION, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above entities GEISMAR HOLDINGSGuarantors Westlake A&R Credit Agreement BANK OF AMERICA, N.A., as the Agent and a Lender By: /s/ Xxxxx X. Xxxxxxxxx Xxxxx X. Xxxxxxxxx Senior Vice President Westlake A&R Credit Agreement XXXXX FARGO FOOTHILL, LLC, as a Lender By: /s/ Xxxx Xxxxxxx Name: Xxxx Xxxxxxx Title: Vice President Westlake A&R Credit Agreement BURDALE CAPITAL FINANCE INC., as a Lender By: /s/ Xxxxxxx X. Xxxx Name: Xxxxxxx X. Xxxx Title: Director By: /s/ Xxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxxx Title: Senior Vice President Westlake A&R Credit Agreement JPMORGAN CHASE BANK, N.A., as a Lender By: /s/ Xxxxxxx Xxxx Name: Xxxxxxx Xxxx Title: Vice President Westlake A&R Credit Agreement COMPASS BANK, as a Lender By: /s/ Xxxx X. Xxxxxxx Name: Xxxx X. Xxxxxxx Title: Senior Vice President Westlake A&R Credit Agreement DEUTSCHE BANK TRUST COMPANY AMERICAS, as a Lender By: /s/ Xxxxxxxxxx Xxxxxx Name: Xxxxxxxxxx Xxxxxx Title: Director By: /s/ Xxxxxxx Xxxxxxxx Name: Xxxxxxx Xxxxxxxx Title: Vice President Westlake A&R Credit Agreement CAPITAL ONE LEVERAGE FINANCE CORPORATION, as a Lender By: /s/ Xxx Xxxxxx Name: Xxx Xxxxxx Title: Senior Vice President Westlake A&R Credit Agreement CREDIT SUISSE, CAYMAN ISLANDS BRANCH, as a Lender By: /s/ Alain Discust Name: Alain Discust Title: Director By: /s/ Xxxxxxxxxxx Reo Day Name: Xxxxxxxxxxx Reo Day Title: Associate Westlake A&R Credit Agreement PNC BANK, NATIONAL ASSOCIATION, as a Lender By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Vice President Westlake A&R Credit Agreement SIEMENS FINANCIAL SEVICES, INC., as a Delaware corporation WESTLAKE CHEMICAL MANUFACTURING, INC., a Delaware corporation WESTLAKE CHEMICAL PRODUCTS, INC., a Delaware corporation WESTLAKE DEVELOPMENT CORPORATION, a Delaware corporation Lender By: /s/ R. Xxx Xxxxxx Name: Xxx Xxxxxx Title: Senior Vice President By: /s/ Xxxx Xxxxxxx Xxxxxx R. Name: Xxxx Xxxxxxx Xxxxxx President of the above entitiesTitle: Vice President

BORROWERS AND GUARANTORS. WESTLAKE CHEMICAL CORPORATION, a Delaware corporation WESTLAKE PVC CORPORATION, a Delaware corporation WESTLAKE VINYLSNU-TECH BRANDS, INC.. TRIUMPH BRANDS, a Delaware corporation NORTH AMERICAN BRISTOL CORPORATION, a Delaware corporation INC. TRIUMPH GROUP ACQUISITION CORP. By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx Name: M. Xxxxx Xxxxxxxxx Title: President and Treasurer of each of the above Borrowers NORTH AMERICAN PIPE CORPORATION, a Delaware corporation VAN BUREN PIPE CORPORATION, a Delaware corporation WESTECH BUILDING PRODUCTSnamed companies BORROWERS AND GUARANTORS (Continued): XXXXXX STEEL, INC.. XXXXXX STRUCTURAL STEEL CO. TRIUMPH METALS COMPANY TRIUMPH STRUCTURES - EAST TEXAS, a Delaware corporation WESTECH PROFILES LIMITEDINC. TRIUMPH PRECISION, a Delaware corporation INC. TRIUMPH INSULATION SYSTEMS, LLC THE MEXMIL HOLDING COMPANY, LLC TRIUMPH STRUCTURES - LONG ISLAND, LLC TRIUMPH INVESTMENT HOLDINGS, INC. TRIUMPH INSTRUMENTS - BURBANK, INC. MEXMIL CHINA, LLC TRIUMPH GROUP HOLDINGS - MEXICO, LLC TRIUMPH GROUP INVESTMENT - MEXICO, LLC TRIUMPH AEROSPACE SYSTEMS - NEWPORT NEWS, INC. TRIUMPH ACCESSORY SERVICES - GRAND PRAIRIE, INC. TRIUMPH FABRICATIONS - FORTH WORTH, INC. CBA ACQUISITION, LLC TRIUMPH FABRICATIONS - HOT SPRINGS, LLC TRIUMPH PROCESSING, INC. TRIUMPH ACTUATION SYSTEMS - VALENCIA, INC. TRIUMPH ACTUATION SYSTEMS, LLC TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC HT PARTS, L.L.C. XXXXX ELECTRO-AIR CORPORATION TRIUMPH AEROSPACE SYSTEMS - WICHITA, INC. TRIUMPH STRUCTURES - KANSAS CITY, INC. THE TRIUMPH GROUP OPERATIONS, INC. TRIUMPH AEROSPACE SYSTEMS GROUP, LLC TRIUMPH AFTERMARKET SERVICES GROUP, LLC TRIUMPH AIRBORNE STRUCTURES, LLC TRIUMPH AVIATIONS INC. TRIUMPH FABRICATIONS - SAN DIEGO, INC. TRIUMPH COMPOSITE SYSTEMS, INC. TRIUMPH CONTROLS, LLC TRIUMPH ENGINEERED SOLUTIONS, INC. TRIUMPH ENGINEERING SERVICES, INC. TRIUMPH GEAR SYSTEMS, INC. TRIUMPH GEAR SYSTEMS - MACOMB, INC. TRIUMPH GROUP ACQUISITION HOLDINGS, INC. TRIUMPH INSTRUMENTS, INC. TRIUMPH PRECISION CASTINGS CO. TRIUMPH STRUCTURES - LOS ANGELES, INC. TRIUMPH THERMAL SYSTEMS, INC. TRIUMPH TURBINE SERVICES, INC. TRIUMPH STRUCTURES - WICHITA, INC. TRIUMPH INTERIORS, LLC TRIUMPH FABRICATIONS - ORANGEBURG, INC. TRIUMPH FABRICATIONS - ST. LOUIS, INC. TRIUMPH REAL ESTATE - MEXICO, LLC VAC INDUSTRIES, INC. TRIUMPH STRUCTURES - XXXXXXX, INC. TRIUMPH AEROSTRUCTURES, LLC TRIUMPH AEROSTRUCTURES HOLDINGS, LLC By: /s/ Name: M. Xxxxx X. Xxxxx Xxxxx X. Xxxxx Xxxxxxxxx Title: Vice President and Treasurer of each of the above Borrowers WESTLAKE VINYLS COMPANY LPnamed companies PNC BANK, a Delaware limited partnership NATIONAL ASSOCIATION, individually and as Administrative Agent By: GVGPName: Xxxx X. Xxxxxx Title: Senior Vice President CITIZENS BANK OF PENNSYLVANIA, Inc., its general partner WESTLAKE PETROCHEMICALS LP, a Delaware limited partnership individually and as Syndication Agent By: Westlake Chemical InvestmentsName: Xxxxxx Xxxxxxxxx Title: Senior Vice President JPMORGAN CHASE BANK, Inc.N.A., its general partner WESTLAKE POLYMERS LP, a Delaware limited partnership individually and as Syndication Agent By: Westlake Chemical InvestmentsName: Xxxxx X. Xxxxxxxxx Title: Associate ROYAL BANK OF CANADA, Inc., its general partner WESTLAKE STYRENE LP, a Delaware limited partnership individually and as Syndication Agent By: Westlake Chemical HoldingsName: Xxxxx Xxxx Title: Authorized Signatory U.S. BANK NATIONAL ASSOCIATION, Inc., its general partner WPT LP, a Delaware limited partnership individually and as Documentation Agent By: Westlake Chemical HoldingsName: Xxxxxxx X. XxXxxx Title: Vice President SOVEREIGN BANK, Inc., its general partner individually and as Documentation Agent By: /s/ Name: Xxxxxxx X. Xxxxxxxx Title: Senior Vice President MANUFACTURERS AND TRADERS TRUST COMPANY, individually and as Documentation Agent By: Name: Xxxx Xxxxxxxx Title: Assistant Vice President THE BANK OF TOKYO-MITSUBISHI UFJ, LTD., NEW YORK BRANCH By: Name: Title: BRANCH BANKING AND TRUST COMPANY By: Name: Xxxxxxx A. Bass Title: Senior Vice President TRISTATE CAPITAL BANK By: Name: Xxxxxxx X. Xxxxxxxx Title: Senior Vice President TD BANK, N.A. By: Name: Xxxxx Xxxxxxx Title: Senior Vice President FIRST COMMONWEALTH BANK By: Name: Xxxxxxxx X. Xxxxxx Title: Senior Vice President UBS AG, STAMFORD BRANCH By: Name: Xxxx X. Xxxxx Title: Associate Director By: Name: Xxxx X. Xxxx Title: Associate Director FIRST NIAGARA BANK N.A. By: Name: Xxxx Xxxxxxxxx Title: Vice President MEGA INTERNATIONAL COMMERCIAL BANK CO. LTD. By: Name: Title: TAIWAN BUSINESS BANK By: Name: Title: TAIWAN COOPERATIVE BANK By: Name: Title: XXX XXX COMMERCIAL BANK, LTD. By: Name: Title: NATIONAL PENN BANK By: Name: Title: SUMITOMO MITSUI BANKING CORPORATION By: Name: Title: CAPITAL ONE LEVERAGE FINANCE CORP. By: Name: Title: CIT BANK By: Name: Title: SCHEDULE 1.1(B) BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: $ 90,000,000 10.588235294 % PNC Bank, National Association 0000 Xxxxxx Xxxxxx, 00xx Xxxxx Xxxxxxxxxxxx, XX 00000 Attention: Xxxx X. Xxxxxx Telephone No. (000) 000-0000 Telecopier No. (000) 000-0000 Email: xxxx.xxxxxx@xxx.xxx Address of Lending Office: PNC Bank, National Association PNC Xxxxxxxxx Xxxxxx, 0xx Xxxxx 000 Xxxxx Xxxxxx Xxxxxxxxxx, XX 00000 Attention: Xxxx Xxxxxx Telephone No. (000) 000-0000 Telecopier No. (000) 000-0000 Email: xxxx.xxxxxx@xxxxxxx.xxx Address for Notices: $ 80,000,000 9.411764706 % Citizens Bank of Pennsylvania 0000 Xxxxxxxx Xxxx, Xxxxx 000 Xxxxxxxx Xxxxxxx, XX 00000 Attention: Xxxxx Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxx.xxxxxxxxx@xxxxxxxxxxx.xxx Address of Lending Office: Citizens Bank of Pennsylvania 0000 Xxxxxxxx Xxxx, Xxxxx 000 Xxxxxxxx Xxxxxxx, XX 00000 Attention: Xxxxx Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxx.x.xxxxxx@xxxxxxxxxxx.xxx BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: JPMorgan Chase Bank, N.A. 000 Xxxx Xxxxxx, Xxxxx 00 Xxx Xxxx, XX 00000 Attention: Xxxxxxx Xxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxx.x.xxxxxxx@xxxxxxxx.xxx Address of Lending Office: JPMorgan Chase Bank, N.A. 000 Xxxx Xxxxxx, Xxxxx 00 Xxx Xxxx, XX 00000 Attention: Xxxxxxx Xxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxx.x.xxxxxxx@xxxxxxxx.xxx $ 80,000,000 9.411764706 % Address of Notices: Royal Bank of Canada RBC Capital Markets Three World Financial Center, 000 Xxxxx Xxxxxx 12th Floor New York, NY 10281-8098 Attn: Xxxxxxx Xxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxx.xxxxx@xxxxx.xxx Address of Lending Office: Royal Bank of Canada RBC Capital Markets Three World Financial Center, 000 Xxxxx Xxxxxx 12th Floor New York, NY 10281-8098 Attn: Xxx Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxx.xxxxxx@xxxxx.xxx $ 80,000,000 9.411764706 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: U.S. Bank National Association U.S. Bank Tower 000 Xxxxxx Xxxxxx 8th Floor CN-OH-W8 Xxxxxxxxxx, XX 00000 Attention: Xxxxxxx XxXxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxxxxx.XxXxxx@xxxxxx.xxx Address of Lending Office: U.S. Bank National Association U.S. Bank Commercial Loan Services Center 000 Xxxx Xxxxxx Xxxxxxx, XX 00000 Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxxxxx_Xxxxxxx_Xxxxxxx@xxxxxx.xxx $ 75,000,000 8.823529412 % Address for Notices: Sovereign Bank 0000 Xxxxxx Xxxxxx Centre Square West, 25th Floor Philadelphia, PA 19102 Attention: Xxxxxxx X. Xxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxx@xxxxxxxxxxxxx.xxx Address of Lending Office: Sovereign Bank 0000 Xxxxxx Xxxxxx Centre Square West, 25th Floor Philadelphia, PA 19102 Attention: Xxxxxxx X. Xxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxx@xxxxxxxxxxxxx.xxx $ 75,000,000 8.823529412 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: Manufacturers and Traders Trust Company 0000 Xxxxx Xxxxx Xxxxxx Xxxx, XX 00000 Attention: Xxxx Xxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxxx@xxx.xxx Address of Lending Office: Manufacturers and Traders Trust Company 0000 Xxxxx Xxxxx Xxxxxx Xxxx, XX 00000 Attention: Xxxx Xxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxxx@xxxxxxxxx.xxx $ 50,000,000 5.882352941 % Address for Notices: The Bank of Tokyo-Mitsubishi UFJ, Ltd., New York Branch Address: 0000 Xxxxxx xx xxx Xxxxxxxx Xxx Xxxx, XX 00000-0000 Attn: Xxxxxx Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxx@xx.xxxx.xx $ 50,000,000 5.882352941 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address of Notices: Branch Banking and Trust Company 000 Xxxx Xxxxxx Xxxxxx, 00xx Xxxxx Xxxxxxx Xxxxx, XX 00000 Attention: Xxxxxxx Bass Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxx@xxxxxx.xxx Address of Lending Office: Branch Banking and Trust Company 000 Xxxx Xxxxxx Xxxxxx, 00xx Xxxxx Xxxxxxx Xxxxx, XX 00000 Attention: Xxxxxxx Bass Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxx@xxxxxx.xxx $ 45,000,000 5.294117647 % Address for Notices: TD Securities 00 Xxxx Xxxxxx X XXX 00xx Xxxxx Xxxxxxx, XX X0X 0X0 Attention: Xxxx Xxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxx.Xxxxx@xxxxxxxxxxxx.xxx Address of Lending Office: TD Securities 00 Xxxx Xxxxxx X XXX 00xx Xxxxx Xxxxxxx, XX X0X 0X0 Attention: Xxxx Xxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxx.Xxxxx@xxxxxxxxxxxx.xxx $ 45,000,000 5.294117647 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: First Commonwealth Bank 000 Xxxxx Xxxxxx, Xxxxx 0000 Xxxxxxxxxx, XX 00000 Attention: Xxxxxxxx X. Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: XXxxxxx@xxxxxxxxx.xxx Address of Lending Office: First Commonwealth Bank 000 Xxxxx Xxxxxx, Xxxxx 0000 Xxxxxxxxxx, XX 00000 Attention: Xxxxxxxx X. Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: XXxxxxx@xxxxxxxxx.xxx $ 15,000,000 1.764705882 % Address for Notices: UBS AG, Stamford Branch 000 Xxxxxxxxxx Xxxx. Xxxxxxxx, XX 00000 Attn: Xxxxxx Xxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxx.xxxxxxxx@xxx.xxx Address of Lending Office: UBS AG, Stamford Branch 000 Xxxxxxxxxx Xxxx. Xxxxxxxx, XX 00000 Attn: Xxxxxx Xxxxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxx.xxxxxxxxxx@xxx.xxx $ 20,000,000 2.352941176 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address of Notices: TriState Capital Bank One Oxford Centre 27th Floor 000 Xxxxx Xxxxxx Xxxxxxxxxx, XX 00000 Attention: Loan Administration Telephone No: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxxxxx@xxxxxxx.xxx Address of Lending Office: TriState Capital Bank One Oxford Centre 27th Floor 000 Xxxxx Xxxxxx Xxxxxxxxxx, XX 00000 Attention: Loan Administration Telephone No: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxxxxx@xxxxxxx.xxx $ 10,000,000 1.176470588 % Address for Notices: First Niagara Bank 000 Xxxx Xxxxxx Xxxxxxxxxxxx, XX 00000 Attn: Xxxx Xxxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxx.Xxxxxxxxx@xxxx.xxx Address of Lending Office: First Niagara Bank 000 Xxxxxxxx Xxxxxx Xxxxx 000 Xxxxxxx, XX 00000 Attn: Xxxxx Xxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxxxx.xxxxxxxxxxxxxx@xxxx.xxx $ 25,000,000 2.941176471 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: Mega International Commercial Bank Co. Ltd. 000 X. Xxxxxxxx ST., #1900 Los Angeles, CA 90071 Attn: Xxxxxx Xxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxx@xxxxxxx.xxx $ 10,000,000 1.176470588 % Address for Notices: Taiwan Business Bank 000 X. 0xx Xxxxxx, Xxxxx 0000 Xxx Xxxxxxx, XX 00000 Attn: Chung Lo Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxxxxxxx@xxxxxxx.xxx $ 10,000,000 1.176470588 % Address for Notices: Taiwan Cooperative Bank 000 X. Xxxxxxxx St., #3500 Los Angeles, CA 90017 Attn: Xxxxx Xx Telephone No.: (000) 000-0000 Ext. 240 Telecopier No.: (000) 000-0000 Email: xxxxxxx@xxxxxxx.xxx $ 10,000,000 1.176470588 % Address for Notices: Xxx Xxx Commercial Bank, Ltd. 000 Xxxxxxxx Xxxx., Xxx 0000 Xxx Xxxxxxx, XX 00000 Attn: Xxxxxx Xxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxxxx.xxxx@xxxxxx.xxx $ 10,000,000 1.176470588 % BANK NAME AMOUNT OF COMMITMENT FOR REVOLVING CREDIT LOANS PERCENTAGE Address for Notices: National Penn Bank 0000 Xxxxxxxxxxxx Xxxx., Xxxxx 000 Xxxxxx, XX 00000 Attn: Xxxx Xxxxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: xxxx.xxxxxxxx@xxxxxxxxxxxx.xxx $ 10,000,000 1.176470588 % Address for Notices: Capital One Leverage Finance Corp. Address: 000 Xxxxxxxxxxx Xxxx Xxxxxxxx, XX 00000 Attn: Xxxxxxxx X’Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 $ 20,000,000 2.352941176 % Address for Notices: Sumitomo Mitsui Banking Corporation Address: 000 Xxxx Xxxxxx Xxx Xxxx, XX 00000 Attn: Xxxxx Xxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxxx_Xxx@xxxxxxxxx.xxx $ 20,000,000 2.352941176 % Address for Notices: CIT Bank Address: 00 Xxxx 00xx Xxxxxx, 00xx Xxxxx Xxx Xxxx, XX 00000 Attn: Xxxxx Xxxxxx Telephone No.: (000) 000-0000 Telecopier No.: (000) 000-0000 Email: Xxxxx.Xxxxxx@xxx.xxx $ 20,000,000 2.352941176 % Total $ 850,000,000 100 % SCHEDULE 1.1(B) COMMITMENTS OF BANKS AND ADDRESSES FOR NOTICES Part 2 - Addresses for Notices to Agent, Borrower and Guarantors: ADMINISTRATIVE AGENT: Name PNC BANK, NATIONAL ASSOCIATION Address: 0000 Xxxxxx Xxxxxx, 00xx Xxxxx Xxxxxxxxxxxx, XX 00000 Attention: Xxxx X. Xxxxxx, Senior Vice President of the general partners of the above Borrowers Telephone: (000) 000-0000 Telecopy: (000) 000-0000 E-mail: xxxx.xxxxxx@xxx.xxx With a Copy to: Name PNC BANK, NATIONAL ASSOCIATION Address: 000 Xxxxx Xxxxxx Xxxxxxxxxx, XX 00000 Attention: Xxxx Xxxxx, Agency Services Telephone: (000) 000-0000 Telecopy: (000) 000-0000 E-mail: xxxx.xxxxx@xxx.xxx ALL BORROWERS: Address: c/o Triumph Group, Inc. 0000 Xxxxxxx Xxxxx Xxxxx Xxxxx 000 Xxxxx, XX 00000 Attention: M. Xxxxx Xxxxxxxxx Telephone: (000) 000-0000 Telecopy: (000) 000-0000 E-mail: xxxxxxxxxx@xxxxxxxxxxxx.xxx ALL GUARANTORS: GVGPAddress: c/o Triumph Group, INC.Inc. 0000 Xxxxxxx Xxxxx Xxxxx Xxxxx 000 Xxxxx, a Delaware corporation WESTLAKE CHEMICAL HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL INVESTMENTS, INC., a Delaware corporation WESTLAKE MANAGEMENT SERVICES, INC., a Delaware corporation WESTLAKE OLEFINS CORPORATION, a Delaware corporation WESTLAKE RESOURCES CORPORATION, a Delaware corporation WESTLAKE VINYL CORPORATION, a Delaware corporation WESTLAKE INTERNATIONAL CORPORATION, a Delaware corporation WESTLAKE NG XX 00000 Attention: M. Xxxxx Xxxxxxxxx Telephone: (000) 000-0000 Telecopy: (000) 000-0000 E-mail: xxxxxxxxxx@xxxxxxxxxxxx.xxx EXHIBIT 1.1(P) Pricing Grid LEVEL I CORPORATION, a Delaware corporation WESTLAKE NG LEVEL II CORPORATION a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President LEVEL III LEVEL IV LEVEL V Basis for Pricing If the Total Leverage Ratio is less than or equal to 2.00 to 1. If the Total Leverage Ratio is greater than 2.00 to 1 but less than or equal to 2.50 to 1. If the Total Leverage Ratio is greater than 2.50 to 1 but less than or equal to 3.00 to 1. If the Total Leverage Ratio is greater than 3.00 to 1 but less than or equal to 3.50 to 1. If the Total Leverage Ratio is greater than 3.50 to 1. Commitment Fee 30 35 40 45 50 Euro-Rate plus 175 200 225 250 300 Base Rate plus 75 100 125 150 200 Letter of the above entities GEISMAR HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL MANUFACTURING, INC., a Delaware corporation WESTLAKE CHEMICAL PRODUCTS, INC., a Delaware corporation WESTLAKE DEVELOPMENT CORPORATION, a Delaware corporation By: /s/ R. Xxxxxxx Xxxxxx R. Xxxxxxx Xxxxxx President of the above entitiesCredit Fee 175 200 225 250 300

BORROWERS AND GUARANTORS. WESTLAKE CHEMICAL CORPORATION, a Delaware corporation WESTLAKE PVC CORPORATION, a Delaware corporation WESTLAKE VINYLS, INC., a Delaware corporation NORTH AMERICAN BRISTOL CORPORATION, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above Borrowers Signature Page to that certain Seventh Amendment to Credit Agreement dated as of the date first stated above, among Westlake Chemical Corporation and certain of its domestic subsidiaries, as Borrowers, Bank of America, N.A., in its capacity as Agent, Required Lenders, and Guarantors. NORTH AMERICAN PIPE CORPORATION, a Delaware corporation VAN BUREN PIPE CORPORATION, a Delaware corporation WESTECH BUILDING PRODUCTS, INC., a Delaware corporation WESTECH PROFILES LIMITED, a Delaware corporation By: /s/ Xxxxx X. Xxxxx Xxxxx X. Xxxxx President of the above Borrowers Signature Page to that certain Seventh Amendment to Credit Agreement dated as of the date first stated above, among Westlake Chemical Corporation and certain of its domestic subsidiaries, as Borrowers, Bank of America, N.A., in its capacity as Agent, Required Lenders, and Guarantors. WESTLAKE VINYLS COMPANY LP, a Delaware limited partnership By: GVGP, Inc., its general partner WESTLAKE PETROCHEMICALS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE POLYMERS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE STYRENE LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner WPT LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the general partners partner of the above Borrower WESTLAKE PETROCHEMICALS LLC, a Delaware limited liability company WESTLAKE POLYMERS LLC, a Delaware limited liability company WESTLAKE STYRENE LLC, a Delaware limited liability company WPT LLC, a Delaware limited liability company By: Westlake Chemical Investments, Inc., its manager By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the manager of the above Borrowers Signature Page to that certain Seventh Amendment to Credit Agreement dated as of the date first stated above, among Westlake Chemical Corporation and certain of its domestic subsidiaries, as Borrowers, Bank of America, N.A., in its capacity as Agent, Required Lenders, and Guarantors. GUARANTORS: GVGP, INC., a Delaware corporation WESTLAKE CHEMICAL HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL INVESTMENTS, INC., a Delaware corporation WESTLAKE ETHYLENE PIPELINE CORPORATION, a Delaware corporation WESTLAKE MANAGEMENT SERVICES, INC., a Delaware corporation WESTLAKE OLEFINS CORPORATION, a Delaware corporation WESTLAKE RESOURCES CORPORATION, a Delaware corporation WESTLAKE VINYL CORPORATION, a Delaware corporation WESTLAKE INTERNATIONAL CORPORATIONSUPPLY AND TRADING COMPANY, a Delaware corporation WESTLAKE NG I CORPORATION, a Delaware corporation WESTLAKE NG II CORPORATION LONGVIEW CORPORATION, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above entities Guarantors Signature Page to that certain Seventh Amendment to Credit Agreement dated as of the date first stated above, among Westlake Chemical Corporation and certain of its domestic subsidiaries, as Borrowers, Bank of America, N.A., in its capacity as Agent, Required Lenders, and Guarantors. GEISMAR HOLDINGS, INC., a Delaware corporation WESTLAKE CHEMICAL MANUFACTURING, INC., a Delaware corporation WESTLAKE CHEMICAL PRODUCTS, INC., a Delaware corporation WESTLAKE DEVELOPMENT CORPORATION, a Delaware corporation By: /s/ R. Xxxxxxx Xxxxxx R. Xxxxxxx Xxxxxx President of the above entitiesGuarantors

BORROWERS AND GUARANTORS. WESTLAKE CHEMICAL CORPORATIONFRESENIUS MEDICAL CARE AG & Co. KGaA, a German partnership limited by shares, represented by FRESENIUS MEDICAL CARE MANAGEMENT AG, a German corporation, its general partner By: /S/ Mxxxxxx Xxxxxxx Name: Mxxxxxx Xxxxxxx Title: Member of the Management Board By: /S/ Kxxx Xxxxxx Name: Kxxx Xxxxxx Title: Member of the Management Board BORROWER AND GUARANTOR: FRESENIUS MEDICAL CARE NORTH AMERICA HOLDINGS LIMITED PARTNERSHIP, a Delaware corporation WESTLAKE PVC CORPORATIONlimited partnership By: Fresenius Medical Care US Vermögensverwaltungs GmbH and Co. KG, a Delaware German partnership Its General Partner By: Fresenius Medical Care Vermögensverwaltungs GmbH, a German limited liability company Its General Partner By: /S/ Jxxxx Xxxxxx Name: Jxxxx Xxxxxx Title: Managing Director BORROWERS AND GUARANTORS: FRESENIUS MEDICAL CARE HOLDINGS, INC., a New York corporation WESTLAKE VINYLSBy: /S/ Mxxx Xxxxxxx Name: Mxxx Xxxxxxx Title: Vice President and Treasurer AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT CO-BORROWERS AND GUARANTORS: NATIONAL MEDICAL CARE, INC., a Delaware corporation NORTH AMERICAN BRISTOL CORPORATION, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above Borrowers NORTH AMERICAN PIPE CORPORATION, a Delaware corporation VAN BUREN PIPE CORPORATION, a Delaware corporation WESTECH BUILDING PRODUCTSBIO-MEDICAL APPLICATIONS OF ALABAMA, INC., a Delaware corporation WESTECH PROFILES LIMITED, a Delaware corporation By: /s/ Xxxxx X. Xxxxx Xxxxx X. Xxxxx President of the above Borrowers WESTLAKE VINYLS COMPANY LP, a Delaware limited partnership By: GVGP, Inc., its general partner WESTLAKE PETROCHEMICALS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE POLYMERS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE STYRENE LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner WPT LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the general partners of the above Borrowers GUARANTORS: GVGPBIO-MEDICAL APPLICATIONS OF CALIFORNIA, INC., a Delaware corporation WESTLAKE CHEMICAL HOLDINGSBIO-MEDICAL APPLICATIONS OF FLORIDA, INC., a Delaware corporation WESTLAKE CHEMICAL INVESTMENTSBIO-MEDICAL APPLICATIONS OF GEORGIA, INC., a Delaware corporation WESTLAKE MANAGEMENT BIO-MEDICAL APPLICATIONS OF ILLINOIS, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF INDIANA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF KENTUCKY, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF LOUISIANA, LLC, a Delaware limited liability company BIO-MEDICAL APPLICATIONS OF MICHIGAN, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF MINNESOTA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF MISSISSIPPI, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NEW HAMPSHIRE, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NEW JERSEY, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NEW MEXICO, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NORTH CAROLINA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF OHIO, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF PENNSYLVANIA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF SOUTH CAROLINA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF TENNESSEE, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF TEXAS, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF WEST VIRGINIA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF VIRGINIA, INC., a Delaware corporation FRESENIUS USA MANUFACTURING, INC., a Delaware corporation FRESENIUS USA MARKETING, INC., a Delaware corporation FRESENIUS USA, INC., a Massachusetts corporation SAN DIEGO DIALYSIS SERVICES, INC., a Delaware corporation WESTLAKE OLEFINS CORPORATIONSPECTRA LABORATORIES, INC., a Delaware Nevada corporation WESTLAKE RESOURCES CORPORATIONWSKC DIALYSIS SERVICES, a Delaware INC., an Illinois corporation WESTLAKE VINYL CORPORATIONEVEREST HEALTHCARE INDIANA, a Delaware corporation WESTLAKE INTERNATIONAL CORPORATIONINC., a Delaware corporation WESTLAKE NG I CORPORATION, a Delaware corporation WESTLAKE NG II CORPORATION a Delaware an Indiana corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx /S/ Mxxx Xxxxxxx Name: Mxxx Xxxxxxx Title: Vice President of the above entities GEISMAR HOLDINGSand Treasurer AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT GUARANTORS: BIO-MEDICAL APPLICATIONS OF MARYLAND, INC., a Delaware corporation WESTLAKE CHEMICAL MANUFACTURINGFRESENIUS SECURITIES, INC., a California corporation SRC HOLDING COMPANY, INC., a Delaware corporation WESTLAKE CHEMICAL PRODUCTSBy: /S/ Mxxx Xxxxxxx Name: Mxxx Xxxxxxx Title: Vice President and Treasurer AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT GUARANTORS: BIO-MEDICAL APPLICATIONS MANAGEMENT COMPANY, INC., a Delaware corporation WESTLAKE DEVELOPMENT NMC A, LLC, a Delaware limited liability company BIO-MEDICAL APPLICATIONS OF MAINE, INC., a Delaware corporation EVEREST HEALTHCARE HOLDINGS, INC, a Delaware corporation FRESENIUS MANAGEMENT SERVICES, INC, a Delaware corporation RENAL CARE GROUP, INC., a Delaware corporation DIALYSIS CENTERS OF AMERICA – ILLINOIS, INC., an Illinois corporation STAT DIALYSIS CORPORATION, a Delaware corporation RENAL CARE GROUP OF THE MIDWEST, INC., a Kansas corporation By: /s/ R. /S/ Mxxx Xxxxxxx Name: Mxxx Xxxxxxx Title: Vice President and Treasurer NEW YORK DIALYSIS SERVICES, INC., a New York corporation By: /S/ Mxxx Xxxxxxx Name: Mxxx Xxxxxxx Title: Treasurer AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT GUARANTORS: NATIONAL MEDICAL CARE OF SPAIN, S.A., a corporation (sociedad anónima) organized under the laws of Spain By: /S/ Dr. Axxxxx Stopper Name: Dr. Axxxxx Stopper Title: Authorized Representative AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT GUARANTORS: FMC TRUST FINANCE S.à r.x. LUXEMBOURG-III, a private limited company (société à responsabilité limitée) organized under the laws of Luxembourg By: /S/ Gxxxxxxx Xxx Name: Gxxxxxxx Xxx Title: Manager FMC FINANCE III S.A., a company existing under the laws of Luxembourg By: /S/ Gxxxxxxx Xxx Name: Gxxxxxxx Xxx Title: Director FMC FINANCE VI S.A., a société anonyme (Public limited company) existing under the laws of Luxembourg By: /S/ Gxxxxxxx Xxx Name: Gxxxxxxx Xxx Title: Director FMC FINANCE II S.à r.x., a private limited company (société à responsabilité limitée) organized under the laws of Luxembourg By: /S/ Gxxxxxxx Xxx Name: Gxxxxxxx Xxx Title: Director FMC FINANCE VII S.A., a société anonyme (Public limited company) existing under the laws of Luxembourg By: /S/ Gxxxxxxx Xxx Name: Gxxxxxxx Xxx Title: Director AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT GUARANTORS: FRESENIUS MEDICAL CARE DEUTSCHLAND GmbH, a German limited liability company By: /S/ Axxxxxxxx Xxxxxxx Name: Axxxxxxxx Xxxxxxx Title: Managing Director By: /S/ Exxxxxxx Xxxxxx R. Name: Exxxxxxx Xxxxxx Title: Managing Director FRESENIUS MEDICAL CARE BETEILIGUNGSGESELLSCHAFT mbH, a German limited liability company By: /S/ Mxxxxxx Xxxxxxx Name: Mxxxxxx Xxxxxxx Title: Managing Director By: /S/ Dx. Xxxxxx President Xxxxx Name: Dx. Xxxxxx Xxxxx Title: Managing Director FRESENIUS MEDICAL CARE US BETEILIGUNGSGESELLSCHAFT mbH, a German limited liability company By: /S/ Jxxxx Xxxxxx Name: Jxxxx Xxxxxx Title: Managing Director FRESENIUS MEDICAL CARE GmbH, a German limited liability company By: /S/ Gxxxxxx Xxxxx Name: Gxxxxxx Xxxxx Title: Managing Director By: /S/ Mxxxxxx Xxxxxx Name: Mxxxxxx Xxxxxx Title: Managing Director AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT GUARANTORS: FRESENIUS MEDICAL CARE US ZWEI BETEILIGUNGSGESELLSCHAFT mbH, a German limited liability company By: /S/ Jxxxx Xxxxxx Name: Jxxxx Xxxxxx Title: Managing Director FRESENIUS MEDICAL CARE US DREI BETEILIGUNGSGESELLSCHAFT mbH, a German limited liability company By: /S/ Jxxxx Xxxxxx Name: Jxxxx Xxxxxx Title: Managing Director FRESENIUS MEDICAL CARE US ZWEI VERMÖGENSVERWALTUNGS GmbH & Co. KG, a German limited partnership By: Fresenius Medical Care Vermögensverwaltungs GmbH, a German limited liability company Its General Partner By: /S/ Jxxxx Xxxxxx Name: Jxxxx Xxxxxx Title: Managing Director FMC FINANCE II S.à r.x., a private limited company (société à responsabilité limitée) organized under the laws of Luxembourg By: /S/ Gxxxxxxx Xxx Name: Gxxxxxxx Xxx Title: Manager AMENDMENT NO. 4 TO BANK CREDIT AGREEMENT AND TERM LOAN CERDIT AGREEMENT ADMINISTRATIVE AGENT AND COLLATERAL AGENT BANK OF AMERICA, N.A., for itself in its capacities as Administrative Agent and Collateral Agent on behalf of the above entitieslenders By: /S/ Axxxxx Xxx Name: Axxxxx Xxx Title: Vice President

BORROWERS AND GUARANTORS. WESTLAKE CHEMICAL CORPORATIONFRESENIUS MEDICAL CARE AG & Co. KGaA, a German partnership limited by shares, represented by FRESENIUS MEDICAL CARE MANAGEMENT AG, a German corporation, its general partner By: /s/ Xxxxxxx Xxxxxxx Name: Xxxxxxx Xxxxxxx Title: Member of the Management Board By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Member of the Management Board AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT BORROWER AND GUARANTOR: FRESENIUS MEDICAL CARE NORTH AMERICA HOLDINGS LIMITED PARTNERSHIP, a Delaware corporation WESTLAKE PVC CORPORATIONlimited partnership By: Fresenius Medical Care US Vermögensverwaltungs GmbH and Co. KG, a Delaware German partnership Its General Partner By: Fresenius Medical Care Vermögensverwaltungs GmbH, a German limited liability company Its General Partner By: /s/ Xxxxxx Xxxxx Name: Xx. Xxxxxx Xxxxx Title: Managing Director AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT BORROWERS AND GUARANTORS: FRESENIUS MEDICAL CARE HOLDINGS, INC., a New York corporation WESTLAKE VINYLSBy: /s/ Xxxx Xxxxxxx Name: Xxxx Xxxxxxx Title: Vice President and Assistant Treasurer AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT CO-BORROWERS AND GUARANTORS: NATIONAL MEDICAL CARE, INC., a Delaware corporation NORTH AMERICAN BRISTOL CORPORATION, a Delaware corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the above Borrowers NORTH AMERICAN PIPE CORPORATION, a Delaware corporation VAN BUREN PIPE CORPORATION, a Delaware corporation WESTECH BUILDING PRODUCTSBIO-MEDICAL APPLICATIONS OF ALABAMA, INC., a Delaware corporation WESTECH PROFILES LIMITED, a Delaware corporation By: /s/ Xxxxx X. Xxxxx Xxxxx X. Xxxxx President of the above Borrowers WESTLAKE VINYLS COMPANY LP, a Delaware limited partnership By: GVGP, Inc., its general partner WESTLAKE PETROCHEMICALS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE POLYMERS LP, a Delaware limited partnership By: Westlake Chemical Investments, Inc., its general partner WESTLAKE STYRENE LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner WPT LP, a Delaware limited partnership By: Westlake Chemical Holdings, Inc., its general partner By: /s/ Xxxxxx Xxxx Xxxxxx Xxxx President of the general partners of the above Borrowers GUARANTORS: GVGPBIO-MEDICAL APPLICATIONS OF CALIFORNIA, INC., a Delaware corporation WESTLAKE CHEMICAL HOLDINGSBIO-MEDICAL APPLICATIONS OF FLORIDA, INC., a Delaware corporation WESTLAKE CHEMICAL INVESTMENTSBIO-MEDICAL APPLICATIONS OF GEORGIA, INC., a Delaware corporation WESTLAKE MANAGEMENT BIO-MEDICAL APPLICATIONS OF ILLINOIS, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF INDIANA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF KENTUCKY, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF LOUISIANA, LLC, a Delaware limited liability company BIO-MEDICAL APPLICATIONS OF MICHIGAN, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF MINNESOTA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF MISSISSIPPI, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NEW HAMPSHIRE, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NEW JERSEY, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NEW MEXICO, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF NORTH CAROLINA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF OHIO, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF PENNSYLVANIA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF SOUTH CAROLINA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF TENNESSEE, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF TEXAS, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF WEST VIRGINIA, INC., a Delaware corporation BIO-MEDICAL APPLICATIONS OF VIRGINIA, INC., a Delaware corporation FRESENIUS USA MANUFACTURING, INC., a Delaware corporation FRESENIUS USA MARKETING, INC., a Delaware corporation FRESENIUS USA, INC., a Massachusetts corporation SAN DIEGO DIALYSIS SERVICES, INC., a Delaware corporation WESTLAKE OLEFINS CORPORATIONSPECTRA LABORATORIES, INC., a Delaware Nevada corporation WESTLAKE RESOURCES CORPORATIONWSKC DIALYSIS SERVICES, a Delaware INC., an Illinois corporation WESTLAKE VINYL CORPORATIONEVEREST HEALTHCARE INDIANA, a Delaware corporation WESTLAKE INTERNATIONAL CORPORATIONINC., a Delaware corporation WESTLAKE NG I CORPORATION, a Delaware corporation WESTLAKE NG II CORPORATION a Delaware an Indiana corporation By: /s/ Xxxxxx Xxxx Xxxxxx Xxxxxxx Name: Xxxx Xxxxxxx Title: Vice President of the above entities GEISMAR HOLDINGSand Treasurer AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT GUARANTORS: BIO-MEDICAL APPLICATIONS OF MARYLAND, INC., a Delaware corporation WESTLAKE CHEMICAL MANUFACTURINGFRESENIUS SECURITIES, INC., a California corporation SRC HOLDING COMPANY, INC., a Delaware corporation WESTLAKE CHEMICAL PRODUCTSBy: /s/ Xxxx Xxxxxxx Name: Xxxx Xxxxxxx Title: Vice President and Treasurer AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT GUARANTORS: BIO-MEDICAL APPLICATIONS MANAGEMENT COMPANY, INC., a Delaware corporation WESTLAKE DEVELOPMENT NMC A, LLC, a Delaware limited liability company BIO-MEDICAL APPLICATIONS OF MAINE, INC., a Delaware corporation EVEREST HEALTHCARE HOLDINGS, INC, a Delaware corporation FRESENIUS MANAGEMENT SERVICES, INC, a Delaware corporation RENAL CARE GROUP, INC., a Delaware corporation DIALYSIS CENTERS OF AMERICA — ILLINOIS, INC., an Illinois corporation STAT DIALYSIS CORPORATION, a Delaware corporation RENAL CARE GROUP OF THE MIDWEST, INC., a Kansas corporation By: /s/ R. Xxxx Xxxxxxx Name: Xxxx Xxxxxxx Title: Vice President and Treasurer NEW YORK DIALYSIS SERVICES, INC., a New York corporation By: /s/ Xxxx Xxxxxxx Name: Xxxx Xxxxxxx Title: Treasurer AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT GUARANTORS: NATIONAL MEDICAL CARE OF SPAIN, S.A., a corporation (sociedad anónima) organized under the laws of Spain By: /s/ Xxxxxx R. Stopper Name: Dr. Xxxxxx Stopper Title: Authorized Representative AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT GUARANTORS: FMC FINANCE VI S.A., a société anonyme (Public limited company) existing under the laws of Luxembourg By: /s/ Xxxxxxxx Xxx Name: Xxxxxxxx Xxx Title: Director FMC FINANCE II S.à x.x., a private limited company (société à responsabilité limitée) organized under the laws of Luxembourg By: /s/ Xxxxxxxx Xxx Name: Xxxxxxxx Xxx Title: Director FMC FINANCE VII S.A., a société anonyme (Public limited company) existing under the laws of Luxembourg By: /s/ Xxxxxxxx Xxx Name: Xxxxxxxx Xxx Title: Director AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT GUARANTORS: FRESENIUS MEDICAL CARE DEUTSCHLAND GmbH, a German limited liability company By: /s/ Xxxxxxxxx Xxxxxxx Name: Xxxxxxxxx Xxxxxxx Title: Managing Director By: /s/ Xxxxxxxx Xxxxxx President Name: Xxxxxxxx Xxxxxx Title: Managing Director FRESENIUS MEDICAL CARE BETEILIGUNGSGESELLSCHAFT mbH, a German limited liability company By: /s/ Xxxxxxxx Xxxxx Name: Xx. Xxxxxxxx Xxxxx Title: Managing Director By: /s/ Xxxxxx Xxxxx Name: Xx. Xxxxxx Xxxxx Title: Managing Director FRESENIUS MEDICAL CARE US BETEILIGUNGSGESELLSCHAFT mbH, a German limited liability company By: /s/ Xxxxxx Xxxxx Name: Xx. Xxxxxx Xxxxx Title: Managing Director FRESENIUS MEDICAL CARE GmbH, a German limited liability company By: /s/ Xxxxxxx Xxxxx Name: Xxxxxxx Xxxxx Title: Managing Director By: /s/ Xxxxxx Xxxxx Name: Xx. Xxxxxx Xxxxx Title: Managing Director AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT GUARANTORS: FRESENIUS MEDICAL CARE US ZWEI VERMÖGENSVERWALTUNGS GmbH & Co. KG, a German limited partnership By: Fresenius Medical Care Vermögensverwaltungs GmbH, a German limited liability company Its General Partner By: /s/ Xxxxxx Xxxxx Name: Xx. Xxxxxx Xxxxx Title: Managing Director AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT ADMINISTRATIVE AGENT AND COLLATERAL AGENT BANK OF AMERICA, N.A., for itself in its capacities as Administrative Agent and Collateral Agent on behalf of the above entitieslenders By: /s/ Xxxxxx Xxx Name: Xxxxxx Xxx Title: Vice President AMENDMENT NO. 5 TO BANK CREDIT AGREEMENT AND TERM LOAN CREDIT AGREEMENT