Common use of Letter Agreements Clause in Contracts

Letter Agreements. (a) Letter Agreement HAZ-PA-03791-LA-1208078, Advance Payment Matters, is deleted in its entirety and replaced by revised letter agreement HAZ-PA-03791-LA-1208078R1, Advance Payment Matters, provided as Enclosure 4 to this Supplemental Agreement No. 3 and documents [*]. (b) Attachment A to Letter Agreement HAZ-PA-03791-LA-1208079, [*], is deleted in its entirety and replaced with a revised Attachment A (identified by “SA-3”), attached as Enclosure 5 to this Supplemental Agreement No. 3 and incorporated into the Purchase Agreement by this reference. The revised Attachment A is updated to reflect [*]. (c) To document its previous execution and as an administrative matter, Letter Agreement HAZ-PA-03791-LA-1400773, [*], is added to the Table of Contents and, by this reference, is incorporated into the Purchase Agreement. (d) Letter Agreement HAZ-PA-03791-LA-1401489, [*], attached as Enclosure 7 to this Supplemental Agreement No. 3, is incorporated into the Purchase Agreement by this reference. Letter Agreement HAZ-PA-03791-LA-1208089R1 [*].

Letter Agreements. (a) 4.1 Letter Agreement HAZ-PA-03791-LA-1208078LA-1208078R10, Advance Payment Matters, entitled “[*]” is deleted in its entirety entirety, and replaced by with a revised letter agreement HAZ-PA-03791-LA-1208078R1, Advance Payment Matters, provided as Enclosure 4 to this Supplemental Agreement No. 3 and documents [*]. (b) Attachment A to Letter Agreement HAZ-PA-03791-LA-1208079LA-1208078R11, entitled “[*], is deleted in its entirety and replaced with a revised Attachment A ” (identified by “SA-3”), attached as Enclosure 5 to this Supplemental Agreement No. 3 and incorporated into the Purchase Agreement by this reference. The revised Attachment A is updated to reflect [*]. (c) To document its previous execution and as an administrative matter, Letter Agreement HAZ-PA-03791-LA-1400773, [*], which is added to the Table of Contents and, by this reference, is incorporated into the Purchase Agreement. (d) Letter Agreement HAZ-PA-03791-LA-1401489, [*], attached provided as Enclosure 7 to this Supplemental Agreement No. 328, and incorporated into the Purchase Agreement. 4.2 Letter Agreement HAZ-PA-03791-LA-1208090R10, entitled “[*]” is deleted in its entirety, and replaced with a revised Letter Agreement HAZ-PA-03791-LA-1208090R11, entitled “[*]” which is provided as Enclosure 8 to this Supplemental Agreement No. 28, and incorporated into the Purchase Agreement. 4.3 New Letter Agreement HAZ-PA-03791-LA-2101360, entitled “[*]” which is provided as Enclosure 9 to this Supplemental Agreement No. 28, is incorporated into the Purchase Agreement by this reference. Letter Agreement HAZ-PA-03791-LA-1208089R1 [*]Agreement.

Letter Agreements. (a) 4.1 Letter Agreement HAZ-PA-03791-LA-1208078LA-1208078R11, Advance Payment Matters, entitled “[*],” is deleted in its entirety entirety, and replaced by with a revised letter agreement Letter Agreement HAZ-PA-03791-LA-1208078R1LA-1208078R12, Advance Payment Matters, entitled “[*],” which is provided as Enclosure 4 10 to this Supplemental Agreement No. 3 31, and documents [*]. (b) Attachment A to Letter Agreement HAZ-PA-03791-LA-1208079, [*], is deleted in its entirety and replaced with a revised Attachment A (identified by “SA-3”), attached as Enclosure 5 to this Supplemental Agreement No. 3 and incorporated into the Purchase Agreement by this reference. The revised Attachment A is updated to reflect [*]. (c) To document its previous execution and as an administrative matter, Letter Agreement HAZ-PA-03791-LA-1400773, [*], is added to the Table of Contents and, by this reference, is incorporated into the Purchase Agreement. (d) 4.2 Letter Agreement HAZ-PA-03791-LA-1401489LA-1208090R12, entitled “[*],” is deleted in its entirety, attached and replaced with a revised Letter Agreement HAZ-PA-03791-LA-1208090R13, entitled “[*],” which is provided as Enclosure 7 11 to this Supplemental Agreement No. 331, is and incorporated into the Purchase Agreement by this reference. Agreement. 4.3 Letter Agreement HAZ-PA-03791-LA-1208089R1 LA-18005016, entitled “[*],” is deleted in its entirety, and replaced with a revised Letter Agreement HAZ-PA-03791-LA-18005016R1, entitled “[*],” which is provided as Enclosure 12 to this Supplemental Agreement No. 31, and incorporated into the Purchase Agreement.

Letter Agreements. (a) 4.1 Letter Agreement HAZ-PA-03791-LA-1208078LA-1208078R9, Advance Payment Matters, entitled “[*]” is deleted in its entirety entirety, and replaced by with a revised letter agreement HAZ-PA-03791-LA-1208078R1, Advance Payment Matters, provided as Enclosure 4 to this Supplemental Agreement No. 3 and documents [*]. (b) Attachment A to Letter Agreement HAZ-PA-03791-LA-1208079LA-1208078R10, entitled “[*], ,” ([*]) which is deleted in its entirety and replaced with a revised Attachment A (identified by “SA-3”), attached provided as Enclosure 5 to this Supplemental Agreement No. 3 27, and incorporated into the Purchase Agreement by this reference. The revised Attachment A is updated to reflect [*]. (c) To document its previous execution and as an administrative matter, Letter Agreement HAZ-PA-03791-LA-1400773, [*], is added to the Table of Contents and, by this reference, is incorporated into the Purchase Agreement. (d) 4.2 Letter Agreement HAZ-PA-03791-LA-1401489LA-1208090R9, entitled “[*]” is deleted in its entirety, attached and replaced with a revised Letter Agreement HAZ-PA-03791-LA-1208090R10, entitled “[*]” which is provided as Enclosure 6 to this Supplemental Agreement No. 27, and incorporated into the Purchase Agreement. 4.3 New Letter Agreement HAZ-PA-03791-LA-2100098, entitled “[*]” which is provided as Enclosure 7 to this Supplemental Agreement No. 327, is incorporated into the Purchase Agreement by this reference. Letter Agreement HAZ-PA-03791-LA-1208089R1 [*]Agreement.

Letter Agreements. (a) 4.1 Letter Agreement No. HAZ-PA-03791-LA-1208078, Advance Payment Matters, LA-1208078R12 entitled “[*]” is deleted in its entirety and replaced by with a revised letter agreement Letter Agreement No. HAZ-PA-03791-LA-1208078R1LA-1208078R13 entitled “[*]” ([*]), Advance Payment Matters, which is provided as Enclosure 4 to this Supplemental Agreement No. 3 34 and documents [*]incorporated into the Purchase Agreement by this reference. (b) Attachment A to 4.2 Letter Agreement No. HAZ-PA-03791-LA-1208079, LA-1208090R15 entitled “[*], ” is deleted in its entirety and replaced with a revised Attachment A (identified by Letter Agreement No. HAZ-PA-03791-LA-1208090R16 entitled “SA-3”), attached [*]” which is provided as Enclosure 5 to this Supplemental Agreement No. 3 34 and incorporated into the Purchase Agreement by this reference. The revised Attachment A is updated to reflect [*]. (c) To document its previous execution and as an administrative matter, 4.3 A new Letter Agreement No. HAZ-PA-03791-LA-1400773, LA-2302334 entitled “[*], ” is added to the Table of Contents and, by this reference, is incorporated into the Purchase Agreement. (d) Letter Agreement HAZ-PA-03791-LA-1401489, [*], attached provided as Enclosure 7 6 to this Supplemental Agreement No. 3, is 34 and incorporated into the Purchase Agreement by this reference. Letter Agreement HAZ-PA-03791-LA-1208089R1 [*].

Letter Agreements. (a) 3.1 Letter Agreement HAZ-PA-03791-LA-1208078LA-1208090R13, Advance Payment Matters, entitled “[*],” is deleted in its entirety entirety, and replaced by with a revised letter agreement Letter Agreement HAZ-PA-03791-LA-1208078R1LA-1208090R14, Advance Payment Matters, entitled “[*],” which is provided as Enclosure 4 10 to this Supplemental Agreement No. 3 32, and documents [*]. (b) Attachment A to Letter Agreement HAZ-PA-03791-LA-1208079, [*], is deleted in its entirety and replaced with a revised Attachment A (identified by “SA-3”), attached as Enclosure 5 to this Supplemental Agreement No. 3 and incorporated into the Purchase Agreement by this reference. The revised Attachment A is updated to reflect [*]. (c) To document its previous execution and as an administrative matter, Letter Agreement HAZ-PA-03791-LA-1400773, [*], is added to the Table of Contents and, by this reference, is incorporated into the Purchase Agreement. (d) 3.2 Letter Agreement HAZ-PA-03791-LA-1401489LA-1208079R2, entitled “[*],” is deleted in its entirety, attached and replaced with a revised Letter Agreement HAZ-PA-03791-LA-1208079R3, entitled “[*],” which is provided as Enclosure 7 11 to this Supplemental Agreement No. 332, is and incorporated into the Purchase Agreement by this reference. Letter Agreement HAZ-PA-03791-LA-1208089R1 [*]Agreement.