Common use of Capacity Service Clause in Contracts

Capacity Service. (a) The T1 Service is the Full Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27 (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 Service under this Contract is a Full Haul service and cannot be: (i) Back Haul; or (ii) Part Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇'s Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 B1 Service is the Full Back Haul Gas transportation service provided under this Contract which gives the Shipper a right right, subject to the terms and conditions of this Contract, toof access to Gas Transmission Capacity cCapacity of the DBNGP and which:which (subject in all cases to clauses 8.17 and 17.9): (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out specified in this Contractclause 17.2; (ii) (i) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service, or a B1 Service under the Standard Shipper Contract, and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) (ii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service, or a B1 Service under the Standard Shipper Contract, and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.108.10 8.8. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, 2016 2021 - 2020 2025 Access Arrangement for the DBNGP 27 does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 BT1 Service under this Contract is a Full Back Haul service Sservice and cannot bebe Forward Haul.: (i) Back Haul; or (ii) Part Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. ‌ (a) The T1 P1 Service is the Full Part Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees:agrees:‌ (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year;Year;‌ (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 P1 Service under this Contract is a Full Forward Haul service and cannot be: (i) Back Haul; or (ii) Part Full Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇'s Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 Service is the Full Haul Gas transportation service provided under this Contract which gives the Shipper a right right, subject to the terms and conditions of this Contract, to of access to capacity of the DBNGPto Gas Transmission Capacity and which:which (subject in all cases to clauses 8.17 and 17.9): (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out specified in this Contractclause 17.2; (ii) (i) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service, or a T1 Service under the Standard Shipper Contract, and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) (ii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service, or a T1 Service under the Standard Shipper Contract, and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.8 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 Service under this Contract is a Full Haul service sService and cannot be: (i) Back Haul; or (ii) Part Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 P1 Service is the Full Part Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iiiii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 P1 Service under this Contract is a Full Forward Haul service and cannot be: (i) Back Haul; or (ii) Part Full Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 Service is the Full Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iiiii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 Service under this Contract is a Full Haul service and cannot be: (i) Back Haul; or (ii) Part Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 B1 Service is the Full Back Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 B1 Service under this Contract is a Full Back Haul service and cannot be: (i) Back Haul; or (ii) Part be Forward Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇'s Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 P1 Service is the Full Part Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contractclause 17.2; (i) (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (ii) (iii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 P1 Service under this Contract is a Full Forward Haul service and cannot be: (i) Back Haul; or (ii) Part Full Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 B1 Service is the Full Back Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iiiii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 B1 Service under this Contract is a Full Back Haul service and cannot be: (i) Back Haul; or (ii) Part be Forward Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. ‌ (a) The T1 B1 Service is the Full Back Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees:agrees:‌ (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year;Year;‌ (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 B1 Service under this Contract is a Full Back Haul service and cannot be: (i) Back Haul; or (ii) Part be Forward Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇'s Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. ‌ (a) The T1 Service is the Full Haul Gas transportation service which gives the Shipper a right of access to Gas Transmission Capacity and which: (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out in this Contract; (ii) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.10. (b) The Operator acknowledges and agrees:agrees:‌ (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year;Year;‌ (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 Service under this Contract is a Full Haul service and cannot be: (i) Back Haul; or (ii) Part Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇'s Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.

Capacity Service. (a) The T1 P1 Service is the Full Part Haul Gas transportation service provided under this Contract which gives the Shipper a right right, subject to the terms and conditions of this Contract, to of access to capacity of the DBNGPto Gas Transmission Capacity and which:which (subject in all cases to clauses 8.17 and 17.9): (i) except as otherwise agreed or permitted by Law, can only be Curtailed in the circumstances set out specified in this Contractclause 17.2; (ii) (i) is treated the same in the Curtailment Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service, or a P1 Service under the Standard Shipper Contract, and in the order of priority with respect to other Types of Capacity Service set out in clause 17.9; and (iii) (ii) is treated the same in the Nominations Plan as all other shippers with a T1 Service, a P1 Service or a B1 Service, or a P1 Service under the Standard Shipper Contract, and in the order of priority with respect to other Types of Capacity Service referred to in clause 8.108.88.10. (b) The Operator acknowledges and agrees: (i) Tranche 1 Capacity in the DBNGP comprises the amount of Gas Transmission Capacity which lies between zero and the T1 Cut- off; (ii) the T1 Cut-off is the amount of Gas Transmission Capacity at which the probability of supply for the next GJ of Gas to be transported in the DBNGP to any Outlet Point downstream of Compressor Station 9 is 98% for each Period of a Gas Year; (iii) whenever there is a material change (other than a short term change) in the configuration of the DBNGP which will or might change the probability of supply at the T1 Cut-off for any or all Periods in a Gas Year, Operator, acting as a Reasonable and Prudent Person, shall undertake a re-determination in accordance with clause 3.2(b)(ii) of the T1 Cut-off for each Period in which the T1 Cut-off has changed; and (iv) acting as a Reasonable and Prudent Person, Operator shall ensure that the sum of: (A) T1 Service (including under this Contract) which it has contracted to provide to Shipper and all other shippers; and (B) Alcoa's Exempt Capacity, does not materially exceed the amount of T1 Capacity in the DBNGP (which shall be calculated on the assumption that all Gas Delivered into the DBNGP has a Higher Heating Value of 37.0 MJ/m3). 20261 - 203025 Access Arrangement for the DBNGP 27. (c) ▇▇▇▇▇▇▇ acknowledges and agrees that, subject to clause 14, the T1 P1 Service under this Contract is a Full Forward Haul Service service and cannot be: (i) Back Haul; or (ii) Part Full Haul. (d) In this clause 3.2 probability of supply means the probability that Gas Transmission Capacity in the DBNGP will not, for any reason other than Major Works, fall below a particular cut-off level. (e) For the avoidance of doubt, ▇▇▇▇▇Alcoa's Exempt Capacity is provided by Operator out of Tranche 1 Capacity in the DBNGP.