June 26, 2026 - Binding New Capacity Open Season for NIT to TEP (NTT) Service and Conversion of Empress to TEP (ETT) Service

Open Season Request Window Closes July 31, 2026, 4:00 p.m. 

To assist Customers in the capacity management of their NTT and ETT service, TransGas is soliciting service bids to assist Customers in securing Alberta Supply gas transportation service as outlined below:

1. Requests for new NTT capacity no earlier than NGTL’s 2026 FT-D1 service commencement dates available through the Empress and McNeill Open Season process for expansion capacity; and
2. Requests for Conversion of Existing ETT to NTT. 

This Binding Open Season is intended to align with the 2026 open season processes being conducted by NGTL and TC Energy Mainline (TC Energy - Bulletins). TransGas may extend the deadline for the Binding Turnback and Binding New Capacity Open Season for NTT and conversion of ETT to NTT Service after TCPL Mainline announces the duration of their Open Season, provided it closes later than August 7, 2026.

TransGas is actively pursuing additional capacity to support NTT or ETT in lieu of NTT capacity if NGTL is not available. With firm commitments, TransGas may be able to convert Customers from ETT to NTT using requests for new NTT service.

TransGas is also introducing a Bid Extension Service option under which TransGas may, at its sole discretion, bid a longer term than the minimum bid submitted by a Customer for a Risk Premium (RP) to improve the likelihood of securing NGTL capacity.

Please review the following information before completing and submitting Request Form(s). There are two (2) different Request Forms available, each corresponding to a specific type of request. The Request Form for Binding New Capacity Open Season for NTT Service and conversion of ETT to NTT will both include a Bid Extension Service election section. A description of this option is outlined below:

• The purpose of the RP is to offset the financial exposure associated with TransGas bidding a longer term than a Customer's minimum request and to support a set-aside fund that may be used to cover NGTL contract obligations if a Customer sheds after the initial item. Customers must opt into this option on the bid form.
• Election of the Bid Extension Service does not guarantee that TransGas will bid longer than the Customer’s requested minimum term, nor does it guarantee that capacity will be awarded. TransGas will determine whether to apply this option, acting reasonably and in its sole discretion, having regard to operational outcomes, financial risk, alignment with TransGas’ portfolio management obligations, and the likelihood of a successful NGTL award.

A separate form must be completed for each request, either new NTT capacity or Conversion of existing ETT to NTT capacity.

New NTT Capacity or Conversion of Existing ETT to NTT Capacity

NGTL has issued an Expansion Capacity Open Season open from June 18, 2026 to August 7, 2026, for Firm Transportation – Delivery Group 1 Service (FT-D1) at the Empress and McNeil Border. The available capacity is expected to be up to 325,000 GJ/d in three tranches with three effective dates, November 1, 2030 (up to 50,000 GJ/d), April 1, 2031 (up to 200,000 GJ/d), or April 1, 2032 (up to 75,000 GJ/d).

TransGas will use the following to determine if new NTT capacity is required:

1. If requests for new NTT capacity can be satisfied by new NGTL and TC Mainline capacity.
2. If Customer requests to convert existing or future dated ETT to NTT can be satisfied by new NGTL capacity.

The section below includes information and instructions for completing 1) Request Form – Binding New Capacity Open Season for NIT to TEP Service:

• Effective Date: The effective date options available through NGTL’s 2026 open season process, November 1, 2030, April 1, 2031, or April 1, 2032. Please enter a preferred effective date into the Request Form so that TransGas can consider it as part of the review process. Submit one form for each effective date and capacity requested.
• Bid Extension Service: Customers requesting new NTT capacity may elect a Bid Extension Service option on the Request Form. If selected, the Customer authorizes TransGas to consider submitting a longer NGTL bid term than the Customer’s minimum requested term to improve the likelihood of securing capacity. There will be a premium cost for this service as outlined.
  • Where TransGas elects to use the Bid Extension Service, the awarded NTT service will be prioritized and allocated to Customers based on the longest bid term.
  • The Risk Premium (RP) only applies to the first 20 years of the awarded transportation contract.
  • If a Customer bids greater than 20 years, the term of the Contract will match the Customer’s bid.
  • The cost for the Bid Extension Service will be the Additional Cost Recovery (ACR) cost plus the Risk Premium (RP x ACR) as shown below:

• Term Lengths:
  • To align with NGTL, TransGas requires a minimum initial term of fifteen (15) years for Customers bidding on the upcoming Expansion Capacity Open Season if not opting in to the Risk Premium option.
  • TransGas requires a minimum term of 20 years for the Bid Extension Service.
  • NGTL awards capacity starting with the longest term bid, working through the list until all expansion capacity has been awarded. Therefore, Customers with longer term bids have a higher likelihood of successfully obtaining new capacity. Please enter a maximum term into the Request Form.
• Volume: Customers must include a minimum and maximum requested volume. The maximum volume cannot exceed 50,000 GJ/d for November 1, 2030, 200,000 GJ/d for April 1, 2031, or 75,000 GJ/d for April 1, 2032. The minimum volume indicates the smallest amount of acceptable new capacity that the Customer will accept; if any volume up to the requested maximum is acceptable, identify the minimum volume as zero (0 GJ/day).
• ETT as an alternative to NTT: Customers must identify if they are willing to take ETT service if their NTT bid is unsuccessful. In these cases, if ETT is awarded, an additional condition is included in the ETT contract reserving the right for TransGas to convert ETT to NTT service in the future.
• Meter Codes: Please include the meter code(s), or planned future facility, with the corresponding volume that may be associated with the requested NTT service. Note only this section on the form is non-binding and will assist TransGas in facility planning.

The section below includes information and instructions for completing 2) Request Form -  Binding Open Season for Conversion of Existing or Future-Dated ETT to NTT:

• Existing Information: Enter existing information for the ETT contract including the contract number, volume and term for the existing or future dated contract.
• Effective Date: The effective date options available through NGTL’s 2026 open season process, November 1, 2030, April 1, 2031, or April 1, 2032. Please enter a preferred effective date into the Request Form so that TransGas can consider it as part of the review process.  Submit one form for each effective date and capacity requested.
• Bid Extension Service: Customers requesting to convert ETT to NTT capacity may elect a Risk Premium Bid Extension Service option on the Request Form. If selected, the Customer authorizes TransGas to consider submitting a longer NGTL bid term than the Customer’s minimum requested term in an effort to improve the likelihood of securing capacity. There will be a premium cost for this service as outlined earlier.
  • Where TransGas elects to use the Bid Extension Service, the awarded NTT service will be prioritized and allocated to Customers based on the longest bid term.
  • The Risk Premium only applies to the first 20 years of the awarded transportation contract.
  • If a Customer bids greater than 20 years, the term of the Contract will match the Customer’s bid.
  • The cost for the Bid Extension Service will be the Additional Cost Recovery (ACR) cost plus the Risk Premium (RP x ACR) as shown below:

• Term Lengths:
  • To align with NGTL, TransGas requires a minimum initial term of fifteen (15) years for Customers bidding on the upcoming Expansion Capacity Open Season if not opting in to the Risk Premium option.
  • TransGas requires a minimum term of 20 years for the Bid Extension Service.
  • NGTL awards capacity starting with the longest term bid, working through the list until all expansion capacity has been awarded. Therefore, Customers with longer term bids have a higher likelihood of successfully obtaining new capacity. Please enter a maximum term into the Request Form which may require a Customer to select a longer term than the existing ETT contract.
• Volume: Customers may request conversion of all or a portion of the volume associated with active or future-dated ETT contracts. Customers must include the minimum and maximum volume requested for conversion. The maximum volume cannot exceed the volume of the ETT contract. The minimum volume indicates the smallest amount of acceptable capacity; if any volume up to the requested maximum is acceptable, set the minimum to zero (0 GJ/day).
• Meter Codes: Please include the meter code(s), or planned future facility, with the corresponding volume that may be associated with the requested NTT service. Note only this section on the form is non-binding and will assist TransGas in facility planning.

The section below includes additional information for consideration for NTT and ETT Service:

• Cost of Service: The cost for NTT service is the R11.0 Long Term Firm Receipt Transportation plus Additional Cost Recovery (ACR); current TransGas rates are subject to change. The cost for ETT service (in lieu of NTT) is the R11.0 Long Term Firm Receipt Transportation; current TransGas rates are subject to change.
• Shed Notice: Successful NTT bids will be subject to a 27-month shed deadline and have renewal rights. To continue to maintain renewal rights, the renewed term must be three (3) years or greater.
• Renewal Rights: NTT service that is eligible for renewal rights, will automatically renew for three (3) years unless a Customer provides written notice to terminate at least 27 months before the current term expires. Any NTT contracts awarded with less than a three (3) year duration will have No Renewal Rights (NRR) and based on term, may or may not be successfully awarded.
• Additional Considerations:
  • Bids are irrevocable and immediately binding upon the close of this Binding Open Season.
  • If the ETT capacity can be fully converted to NTT, TransGas will terminate the ETT contract and execute the NTT contract for the term requested. If a portion of the contract is converted, the ETT contract will be reduced by the amount converted and a new NTT contract for that amount will be executed.
  • TransGas' in-service dates for NTT capacity depend on the readiness of associated NGTL and TCPL Mainline facilities. In-service dates may be delayed due to several reasons including, but not limited to, regulatory approvals, construction (interconnecting pipeline or TransGas facilities), Force Majeure events, or other factors beyond TransGas' reasonable control. NTT offers are contingent on TransGas receiving confirmation from interconnecting pipelines that they can meet transportation schedules with the full contract demand quantity before NTT service begins. TransGas must find the terms and conditions acceptable at its sole discretion.
  • TransGas does not guarantee it will, nor is it obligated to, satisfy all requests for new capacity, or that requested capacity will align with the requested start date(s).
  • Where a Customer elects the Bid Extension Service, TransGas may bid longer than the Customer’s minimum requested term if, in TransGas’ sole discretion acting reasonably, doing so is necessary or prudent to improve the likelihood of obtaining NGTL capacity. The term of the Customer’s bid will be the term of the Customer’s requested NTT contract term on the bid form.
  • If capacity is awarded using the Bid Extension Service, the Customer will pay a RP over and above Additional Cost Recovery for the first 20-year minimum term, and TransGas may retain those amounts in a set-aside account intended to offset potential future exposure associated with the related NGTL contracts.
  • TransGas’ use of the Bid Extension Service does not change TransGas’ obligation to manage its portfolio of NGTL to NTT contracts prudently and does not guarantee that any bid will be successful.
  • A successful bid will only guarantee receipt capacity for gas to a Customer’s TEP account. For a Customer to have a guarantee that gas is available at a specific Point of Delivery, the Customer must also have an approved delivery contract.  

Open Season Process

1. New capacity or conversion requests must be submitted by July 31, 2026 at 4:00 p.m. Saskatchewan time. At that time, all requests become irrevocable and binding on the Customer until ten (10) days past the close of the applicable NGTL or TC Energy Mainline open season process, as applicable. TGL is not obligated to accept any request for new capacity. Accepted requests may use any of the indicated effective dates and any volume between the minimum and maximum, inclusive.
2. Upon receipt, all bids will be evaluated and TransGas will package as needed at TransGas’ sole discretion in response to the 2026 NGTL and TC Energy Mainline Open Season processes to avoid adversely impacting TransGas’ System or Customers. For customers electing the Bid Extension Service for NTT, TransGas may, at its sole discretion acting reasonably, submit a longer bid term than the Customer’s minimum requested term where TransGas determines this is appropriate to improve the likelihood of securing NGTL capacity. These requests are binding on TransGas only if, and when, TransGas can secure NGTL and/or TC Energy Mainline contracts. Additional conditions will be outlined in the contract.
3. The requests received will be evaluated and awarded based on the following:
   1. Requests for new NTT Capacity and conversion of existing ETT to NTT will be evaluated equally.
   2. Capacity contingent on the same term may be prorated depending on the amount of capacity available with longer terms prioritized first. If a Customer’s prorated allocation is less than their minimum request, that allocation will be zero.
   3. If total bids exceed current TCPL Mainline takeoff capacity on the TransGas System, TransGas reserves the right to delay the start-date of the NTT and/or ETT service, or prorate the NTT and/or ETT service, until interconnect capacity is expanded to accommodate the requested demand.
4. Future Binding NTT and ETT Open Seasons may be offered at TransGas’ discretion and may be contingent on the number of requests remaining, and conditions in the primary and secondary market.
5. Fulfillment of binding requests is not guaranteed. Once the binding term is complete, including security requirements, or a new NTT or ETT Binding Open Season is held, all unfulfilled requests will be terminated.
6. New capacity acquired through this Open Season may have the same priority of service as existing Firm NTT and ETT capacity when the contract commences. Since additional capacity is acquired through a future NGTL and TC Energy Mainline Open Season, additional conditions may be required to align with NGTL and TC Energy Mainline and would be communicated at that time.
7. TransGas shall notify Customers with initially successful requests for NTT service no later than ten (10) business days after NGTL awards the applicable contract(s) through its 2026 Empress/McNeil open season. TransGas shall notify Customers with initially successful requests for ETT service no later than ten (10) business days after TC Energy Mainline awards the applicable contract(s) through its 2026 open season.
8. Once acquired, TransGas will enter the new or amended contract terms into MyTransGas on the Customer’s behalf.
9. Any Prospective Customer’s who wish to respond to this Binding Open Season, must execute a TGL Service Agreement prior to submitting a bid form.
10. Prior to awarding NTT or ETT contracts, Customers must meet security requirements as outlined in 11.3 of the TransGas Tariff within 30 calendar days of being awarded the TransGas service. If a Customer fails to meet these requirements within the timeframe identified, the TransGas service which was awarded will be retracted and managed at TransGas’ discretion.

Requests are to be submitted via e-mail to TGL at the following email addresses by July 31, 2026 at 4:00 p.m. Saskatchewan time.

    Attention:     Tanya Lang, Director, TransGas Customer Services
                            TransGas Limited
    E-mail:          @email
    CC:                 @email; @email; @email

If you have any questions or would like to discuss the implications of this Binding Open Season for your natural gas transportation and storage portfolio, please contact TGL at: