Algonquin Gas Transmission, LLC

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1 Algonquin Gas Transmission, LLC Planned Service Outage Postings from 10/01/2016 to 10/31/2016 Page 1 of 11

2 TSP: TSP Name: Algonquin Gas Transmission, LLC Critical Desc: Not a critical notice Notice Eff Date/Time: 10/14/ :14:39 PM Notice End Date/Time: 11/01/ :00:00 AM Notice ID: Notice Stat Desc: Supersede Notice Type: Planned Service Outage Post Date/Time: 10/14/ :14:39 PM Prior Notice: Reqrd Rsp Desc: No response required Rsp Date/Time: Subject: AGT 2016 Planned Outage Schedule UPDATE Notice Text: Below is a list of major outages that will affect capacity or that impact major receipt/delivery areas on the Algonquin Gas Transmission (AGT) system for the 2016 outage season. This schedule is not a complete list of all outages that will occur this outage season. Due to unforeseen delays or scheduling conflicts, the dates below are subject to change. Any changes to the list below will be posted at the earliest known date. Mainline Outages: Hanover to Stony Point 42" Main Line - DOT Pipeline Integrity Project: Potential Repair Dates: May 26, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its Hanover to Stony Point 42" Main Line. During the in-line tool run, AGT will coordinate with downstream point operators to minimize MR RAMAPO- MILLENNIUM 26" Main Line -Stony Point to Southeast - DOT Pipeline Integrity Project: Potential Repair Dates: June 17, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 26" Main Line from the Stony Point Compressor Station to its Southeast Compressor Station. AGT will coordinate with downstream point operators to minimize operational impacts; however, during the tool runs the capacities will be reduced as follows: During the cleaning tool runs, AGT currently forecasts the capacity through Stony Point Compressor Station will be reduced to approximately 1,152,000 Dth/day. AGT anticipates restrictions to interruptible, secondary firm, and potentially primary firm service nominations sourced west of Stony Point for delivery east of Stony Point. Additionally, during the in-line tool run, AGT currently forecasts the capacity through Stony Point Compressor Station will be reduced to approximately 1,027,000 Dth/day. AGT anticipates restrictions to interruptible, secondary firm, and potentially primary firm service nominations sourced west of Stony Point for delivery east of Stony Point. Page 2 of 11

3 If additional tool runs are required, AGT will post updates as soon as it is known. Stony Point to Oxford Outage: April 11 - October 31, 2016 AGT will be conducting an outage between Stony Point and Oxford Compressor Stations. During this time, AGT currently forecasts the capacity through the Stony Point Compressor Station will be reduced to as follows: Reduced to Approximately: October 14 - October17912,000 Dth October 18848,000 Dth October 19 - October 31912,000 Dth Based on historical nominations through Stony Point, AGT anticipates restrictions to interruptible, secondary services and primary firm services. During this time, AGT currently forecasts the capacity through the Oxford Compressor Station will be reduced to as follows: Reduced to Approximately: October 14 - October 17 1,011,000 Dth October ,000 Dth October 19 - October 26 1,011,000 Dth *October 27 - October ,000 Dth Based on historical nominations through Oxford, AGT anticipates restrictions to interruptible, secondary services and potentially primary firm services. Shippers looking for alternative flow path options can source gas from the following receipt points to avoid potential restrictions related to this outage: MR EVERETT INT. (MIDDLESEX, MA) MR LINCOLN (MIDDLESEX, MA) MR BROOKFIELD (FAIRFIELD, CT) MR MENDON MR SALEM ESSEX CO., MA (ESSEX, MA) *During these dates MR Brookfield (FAIRFIELD, CT) will be unavailable as a physical receipt location. All other timelines, MR will be limited to approximately 150,000 Dth/day net receipts. Lateral Outages: G System Line G-1-12" - DOT Pipeline Integrity Project: Potential Repair Date: August 3, 2016 Page 3 of 11

4 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 12" G-1 G System Line G-1-10" - DOT Pipeline Integrity Project: Potential Repair Date: August 18, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 10" G-1 Q System Line Q-1-16" - DOT Pipeline Integrity Project: Potential Repair Date: August 8, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 16" Q-1 MR NATIONAL GRID- PONKAPOAG (NORFOLD, MA) G System Line G-4L-16" - DOT Pipeline Integrity Project: Potential Repair Date: September 8, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 16" G-4L MR CALPINE TIVERTON, (PROVIDENCE, RI) MR NATIONAL GRID- TIVERTON (NEWPORT, RI) MR NEW ENGLAND GAS COMPANY FALL RIVER (BRISTOL, MA) G System Line G-4-8" - DOT Pipeline Integrity Project: Potential Repair Date: August 25, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 8" G-4 Line. During the in-line tool run, AGT will coordinate with downstream point operators to minimize operational impact. MR NATIONAL GRID- TIVERTON (NEWPORT, RI) MR NEW ENGLAND GAS COMPANY FALL RIVER (BRISTOL, MA) MR CALPINE TIVERTON, (PROVIDENCE, RI) Page 4 of 11

5 C System Line C-1-10" - DOT Pipeline Integrity Project: In-Line Tool Date: August 1, 2016 Potential Repair Date: October 10, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 10" C-1 MR CHESHIRE (NEW HAVEN, CT) MR WALLINGFORD ENERGY INTERCONNECT (FAIRFIELD, CT) MR CMEEC- PIERCE POWER PLANT- (NEW HAVEN, CT) MR DEFCO (NEW HAVEN, CT) MR NORTH HAVEN (NEW HAVEN) MR NORTH HAVEN LOW PRESSURE (NEW HAVEN, CT) MR GUILFORD (NEW HAVEN, CT) Algonquin DOT Pipeline Integrity Project AGT will be conducting, as part of its ongoing DOT Pipeline Integrity Project, in-line inspection tool runs at various locations throughout the Algonquin pipeline system. As a result of these in-line inspections, certain locations could be identified for an investigation which could lead to possible reduction of capacity. Should any of these investigations lead to a reduction of capacity, AGT will post on the bulletin board as soon as it is known. Listed below are the pipeline segments scheduled for inspection this year. Each segment will have a caliper tool run and an ILI tool run. Also listed below are the dates of a possible investigation as a result of the in-line inspection. CaliperILIPossible DateDateRepl Date 42" Hanover to Stony PointCompleteComplete05/26/16 26" Stony Point to Southeast Complete06/17/16 12" G-1 System Section 2CompleteComplete08/03/16 10" G-1 System Section 3CompleteComplete08/18/16 16" Q-1 ExtCompleteComplete08/08/16 16" G-4L SystemCompleteComplete09/08/16 8" G-4 SystemCompleteComplete08/25/16 10" C-1 SystemCompleteComplete10/10/16 As a result of prior DOT mandated investigations, the following locations have been identified as requiring additional evaluation which may require a reduction of capacity. Should any of these investigations lead to a reduction of capacity, AGT will post on the bulletin board as soon as it is known: MAINLINE ANTICIPATED CAPACITY IMPACT SUMMARY If no capacity is listed, then typical seasonal operational capacity exists. DateStony PointSoutheastOxfordCromwellBurrillville Oct 14 - Oct ,0001,011,000 Oct ,000953,000 Oct 19 - Oct 26912,000 1,011,000 Page 5 of 11

6 Oct 27 - Oct 31912, ,000 Download File: AGT 2016 Planned Outage Schedule 17.docx Page 6 of 11

7 TSP: TSP Name: Algonquin Gas Transmission, LLC Critical Desc: Not a critical notice Notice Eff Date/Time: 10/17/ :28:20 AM Notice End Date/Time: 11/01/ :00:00 AM Notice ID: Notice Stat Desc: Supersede Notice Type: Planned Service Outage Post Date/Time: 10/17/ :28:20 AM Prior Notice: Reqrd Rsp Desc: No response required Rsp Date/Time: Subject: AGT 2016 Planned Outage Schedule UPDATE Notice Text: Below is a list of major outages that will affect capacity or that impact major receipt/delivery areas on the Algonquin Gas Transmission (AGT) system for the 2016 outage season. This schedule is not a complete list of all outages that will occur this outage season. Due to unforeseen delays or scheduling conflicts, the dates below are subject to change. Any changes to the list below will be posted at the earliest known date. Mainline Outages: Hanover to Stony Point 42" Main Line - DOT Pipeline Integrity Project: Potential Repair Dates: May 26, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its Hanover to Stony Point 42" Main Line. During the in-line tool run, AGT will coordinate with downstream point operators to minimize MR RAMAPO- MILLENNIUM 26" Main Line -Stony Point to Southeast - DOT Pipeline Integrity Project: Potential Repair Dates: June 17, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 26" Main Line from the Stony Point Compressor Station to its Southeast Compressor Station. AGT will coordinate with downstream point operators to minimize operational impacts; however, during the tool runs the capacities will be reduced as follows: During the cleaning tool runs, AGT currently forecasts the capacity through Stony Point Compressor Station will be reduced to approximately 1,152,000 Dth/day. AGT anticipates restrictions to interruptible, secondary firm, and potentially primary firm service nominations sourced west of Stony Point for delivery east of Stony Point. Additionally, during the in-line tool run, AGT currently forecasts the capacity through Stony Point Compressor Station will be reduced to approximately 1,027,000 Dth/day. AGT anticipates restrictions to interruptible, secondary firm, and potentially primary firm service nominations sourced west of Stony Point for delivery east of Stony Point. Page 7 of 11

8 If additional tool runs are required, AGT will post updates as soon as it is known. ***Stony Point to Oxford Outage: April 11 - October 31, 2016 AGT will be conducting an outage between Stony Point and Oxford Compressor Stations. During this time, AGT currently forecasts the capacity through the Stony Point Compressor Station will be reduced to as follows: Reduced to Approximately: October 14 - October17912,000 Dth October 18848,000 Dth October 19 - October 23912,000 Dth October 24 - October 31709,000 Dth Based on historical nominations through Stony Point, AGT anticipates restrictions to interruptible, secondary services and primary firm services. During this time, AGT currently forecasts the capacity through the Oxford Compressor Station will be reduced to as follows: Reduced to Approximately: October 14 - October 171,011,000 Dth October 18953,000 Dth October 19 - October 23 1,011,000 Dth October 24 - October 31825,000 Dth Based on historical nominations through Oxford, AGT anticipates restrictions to interruptible, secondary services and potentially primary firm services. Shippers looking for alternative flow path options can source gas from the following receipt points to avoid potential restrictions related to this outage: MR EVERETT INT. (MIDDLESEX, MA) MR LINCOLN (MIDDLESEX, MA) MR BROOKFIELD (FAIRFIELD, CT) MR MENDON MR SALEM ESSEX CO., MA (ESSEX, MA) Lateral Outages: G System Line G-1-12" - DOT Pipeline Integrity Project: Potential Repair Date: August 3, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 12" G-1 Page 8 of 11

9 G System Line G-1-10" - DOT Pipeline Integrity Project: Potential Repair Date: August 18, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 10" G-1 Q System Line Q-1-16" - DOT Pipeline Integrity Project: Potential Repair Date: August 8, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 16" Q-1 MR NATIONAL GRID- PONKAPOAG (NORFOLD, MA) G System Line G-4L-16" - DOT Pipeline Integrity Project: Potential Repair Date: September 8, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 16" G-4L MR CALPINE TIVERTON, (PROVIDENCE, RI) MR NATIONAL GRID- TIVERTON (NEWPORT, RI) MR NEW ENGLAND GAS COMPANY FALL RIVER (BRISTOL, MA) G System Line G-4-8" - DOT Pipeline Integrity Project: Potential Repair Date: August 25, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 8" G-4 Line. During the in-line tool run, AGT will coordinate with downstream point operators to minimize operational impact. MR NATIONAL GRID- TIVERTON (NEWPORT, RI) MR NEW ENGLAND GAS COMPANY FALL RIVER (BRISTOL, MA) MR CALPINE TIVERTON, (PROVIDENCE, RI) C System Line C-1-10" - DOT Pipeline Integrity Project: In-Line Tool Date: August 1, 2016 Page 9 of 11

10 Potential Repair Date: October 10, 2016 As part of its DOT Pipeline Integrity Project, AGT will be conducting pigging operations on its 10" C-1 MR CHESHIRE (NEW HAVEN, CT) MR WALLINGFORD ENERGY INTERCONNECT (FAIRFIELD, CT) MR CMEEC- PIERCE POWER PLANT- (NEW HAVEN, CT) MR DEFCO (NEW HAVEN, CT) MR NORTH HAVEN (NEW HAVEN) MR NORTH HAVEN LOW PRESSURE (NEW HAVEN, CT) MR GUILFORD (NEW HAVEN, CT) Algonquin DOT Pipeline Integrity Project AGT will be conducting, as part of its ongoing DOT Pipeline Integrity Project, in-line inspection tool runs at various locations throughout the Algonquin pipeline system. As a result of these in-line inspections, certain locations could be identified for an investigation which could lead to possible reduction of capacity. Should any of these investigations lead to a reduction of capacity, AGT will post on the bulletin board as soon as it is known. Listed below are the pipeline segments scheduled for inspection this year. Each segment will have a caliper tool run and an ILI tool run. Also listed below are the dates of a possible investigation as a result of the in-line inspection. CaliperILIPossible DateDateRepl Date 42" Hanover to Stony PointCompleteComplete05/26/16 26" Stony Point to Southeast Complete06/17/16 12" G-1 System Section 2CompleteComplete08/03/16 10" G-1 System Section 3CompleteComplete08/18/16 16" Q-1 ExtCompleteComplete08/08/16 16" G-4L SystemCompleteComplete09/08/16 8" G-4 SystemCompleteComplete08/25/16 10" C-1 SystemCompleteComplete10/10/16 As a result of prior DOT mandated investigations, the following locations have been identified as requiring additional evaluation which may require a reduction of capacity. Should any of these investigations lead to a reduction of capacity, AGT will post on the bulletin board as soon as it is known: MAINLINE ANTICIPATED CAPACITY IMPACT SUMMARY If no capacity is listed, then typical seasonal operational capacity exists. DateStony PointSoutheastOxfordCromwellBurrillville Oct 14 - Oct 17912,0001,011,000 Oct 18848,000953,000 Oct 19 - Oct 23912,000 1,011,000 Oct 24 - Oct 31709,000690,000825,000 Page 10 of 11

11 Download File: AGT 2016 Planned Outage Schedule 18.docx Page 11 of 11

Algonquin Gas Transmission, LLC

Algonquin Gas Transmission, LLC Planned Service Outage Postings from 09/01/2016 to 09/30/2016 Page 1 of 6 TSP: 006951446 TSP Name: Algonquin Gas Transmission, LLC Critical Desc: Not a critical notice Notice