June 13, 2026

To: All Transwestern Customers

Subject:  Panhandle Lateral - Compressor Station maintenance.

Revision 2: Maintenance has been extended through  Friday 6/19/26

June 2nd thru June 5^th, 2026 (4 Days)

Panhandle Lateral Receipt & Delivery capacity will bereduced from 263,000 MMBtu/d to approximately 175,000 MMBtu/d.

June 6^th thru June 8^th, 2026

Panhandle Lateral Receipt & Delivery capacity will return to the normal capacity of 263,000 MMBtu/d.

June 9^th thru June 12^th, 2026

Panhandle Lateral Receipt & Delivery capacitywill be reduced from 263,000 MMBtu/d to approximately 150,000 MMBtu/d.

June 13th (Timely) thru June 13th (Evening Cycle), 2026

Panhandle Lateral Receipt & Delivery capacity will return to the normal capacity of 263,000 MMBtu/d.

June 13^th (Intraday 1) thru June 19^th, 2026

Panhandle Lateral Receipt & Delivery capacity will be reduced from 263,000 MMBtu/d to approximately 180,000 MMBtu/d.

June 20th, 2026

Panhandle Lateral Receipt & Delivery capacity will return to the normal capacity of 263,000 MMBtu/d.


*Scheduled volumes both received anddelivered on the Panhandle Lateral may not be affected.

Transwestern reserves the right to revise the above listed schedule. Please continue to monitor the Transwestern website for updates and schedule changes. Contact your account or scheduling representative if you need additional information.