OFO ALERT: Yankee Gas Critical Day declared aggravated by over-delivery effective gas day 4/4/2026 & 4/5/2026 ONLY on TGP - DO NOT LEAVE

Note:

OFO DAILY CRITICAL DAY 1 EXPANDED EFFECTIVE 4-4-2026 AND LIFTED 4-6-2026

Due to forecasted milder weather with associated lesser demand moving across more areas of the system, in order to protect the operational integrity of its system, effective for the Gas Day ("GD") of Saturday, April 4, 2026, Tennessee Gas Pipeline Company, L.L.C. ("Tennessee") is EXPANDING the current OFO Daily Critical Day ("CD") 1 to also include all of Zones 4, 5 and 6 pursuant to Article X of the General Terms and Conditions of Tennessee's FERC NGA Gas Tariff.

Tennessee is lifting the OFO Daily Critical Day 1 for ALL AREAS effective for the Gas Day of Monday, April 6, 2026 and until further notice.

This OFO will be effective for all LMS-PA, SA contracts acting as balancing parties and LMS-MA Balancing Parties only.

Please refer to the table below for the affected areas and dates, and the actions required:

Zone	GD 4-3-26	4-4-2026	4-6-2026 and until further notice
Zone 0	Critical Day 1 All Areas Excluding South of STA 1 (Excluding Segments 406, 409, 410, 490, 491, 492) · Receipts do not overdeliver · Deliveries do not undertake	Critical Day 1 All Areas Excluding South of STA 1 (Excluding Segments 406, 409, 410, 490, 491, 492) · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone L	Critical Day 1 All Areas Excluding Muskrat and 500 Line (Excluding Segments 509, 515, 516, 523, 524,526) (Excluding 500 Line Segments 527, 529, 530) · Receipts do not overdeliver · Deliveries do not undertake	Critical Day 1 All Areas Excluding Muskrat and 500 Line (Excluding Segments 509, 515, 516, 523, 524,526) (Excluding 500 Line Segments 527, 529, 530) · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone 1	Critical Day 1 All Areas Excluding 500 Line (Excluding 500 Line Segments 534, 539, 542) · Receipts do not overdeliver · Deliveries do not undertake	Critical Day 1 All Areas Excluding 500 Line (Excluding 500 Line Segments 534, 539, 542) · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone 2	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone 3	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone 4	Critical Day 1 All Areas South of STA 219 Only · Receipts do not overdeliver · Deliveries do not undertake	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone 5	No OFO	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	NO OFO
Zone 6	No OFO	Critical Day 1 All Areas · Receipts do not overdeliver · Deliveries do not undertake	NO OFO

CD 1 PENALTY: $5.00 + applicable Regional Daily Spot Price per Dth for quantities in excess of the tolerance
CD 1 TOLERANCE: Greater of 2% of scheduled quantities or 500 Dth

Balancing between OBA points in separate pipeline regions or across meters not located in the OFO area will not be permitted.

In the event this OFO is not sufficient to maintain the operational integrity of its system, Tennessee may escalate to calling a Critical Day II, a Balancing Alert, Meter Specific OFO(s) or Hourly OFO(s), or taking any other actions that may be permitted or required by Tennessee's Tariff.

Please contact your Scheduling Representative if you have any questions.