Leading service provider for Transmission System Operators (TSOs) in the European electricity market.

1. TSO(s)*:

AST

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

28-04-2026 06:00 - 07:00 450 MW

28-04-2026 07:00 - 08:00 450 MW

28-04-2026 12:00 - 13:00 450 MW

28-04-2026 13:00 - 14:00 450 MW

28-04-2026 14:00 - 15:00 450 MW

28-04-2026 15:00 - 16:00 450 MW

28-04-2026 16:00 - 17:00 450 MW

28-04-2026 18:00 - 19:00 450 MW

28-04-2026 20:00 - 21:00 450 MW

5. Amount of LTTR remaining after curtailment:

28-04-2026 06:00 - 07:00 415 MW

28-04-2026 07:00 - 08:00 415 MW

28-04-2026 12:00 - 13:00 394 MW

28-04-2026 13:00 - 14:00 386 MW

28-04-2026 14:00 - 15:00 380 MW

28-04-2026 15:00 - 16:00 380 MW

28-04-2026 16:00 - 17:00 380 MW

28-04-2026 18:00 - 19:00 380 MW

28-04-2026 20:00 - 21:00 391 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Nord Pool - UMM Platform  as well as the capacity alread allocated on The Baltic balancing Market for balancing capacity sharing at Transparency Platform

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

There are no alternatives to the curtailment of the affected LTTRs.

Dear Market Participant,

Please be advised that Friday, May 1, 2026, is a banking holiday in Luxembourg Labour Day: http://www.jao.eu/resource-center/public-holidays

This holiday applies solely to the banking sector, and JAO Operations will remain available.

Please note that any credit limit update resulting from transactions on your ING business account will not be reflected until Monday, May 4, 2026

Additionally, transactions initiated after ING Luxembourg's cutoff time Thursday, Abril 30, 2026, will have a value date Monday, May 4, 2026.

We kindly recommend that you adjust your financial schedule accordingly to accommodate these changes.

Best regards,

JAO Operations Team

Please note that the publication of Validation Reductions ATC for BD 27/04/2026 is not yet available.

We are currently investigating the root cause of this delay and will publish the data as soon as possible.

Thank you for your understanding.

1. TSO(s)*:

AST

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2026 00:00 - 01:00 450 MW

27-04-2026 05:00 - 06:00 450 MW

27-04-2026 08:00 - 09:00 450 MW

27-04-2026 11:00 - 12:00 450 MW

27-04-2026 12:00 - 13:00 450 MW

27-04-2026 13:00 - 14:00 450 MW

27-04-2026 14:00 - 15:00 450 MW

27-04-2026 16:00 - 17:00 450 MW

27-04-2026 19:00 - 20:00 450 MW

27-04-2026 21:00 - 22:00 450 MW

27-04-2026 22:00 - 23:00 450 MW

27-04-2026 23:00 - 24:00 450 MW

5. Amount of LTTR remaining after curtailment:

27-04-2026 00:00 - 01:00 387 MW

27-04-2026 05:00 - 06:00 380 MW

27-04-2026 08:00 - 09:00 391 MW

27-04-2026 11:00 - 12:00 401 MW

27-04-2026 12:00 - 13:00 399 MW

27-04-2026 13:00 - 14:00 387 MW

27-04-2026 14:00 - 15:00 391 MW

27-04-2026 16:00 - 17:00 387 MW

27-04-2026 19:00 - 20:00 392 MW

27-04-2026 21:00 - 22:00 400 MW

27-04-2026 22:00 - 23:00 401 MW

27-04-2026 23:00 - 24:00 410 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Nord Pool - UMM Platform as well as the capacity already allocated on The Baltic balancing Market for balancing capacity sharing at Transparency Platform

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

There are no alternatives to the curtailment of the affected LTTRs.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

SI-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2026 08:00 - 09:00 370 MW

27-04-2026 09:00 - 10:00 370 MW

27-04-2026 10:00 - 11:00 370 MW

27-04-2026 11:00 - 12:00 370 MW

27-04-2026 15:00 - 16:00 370 MW

27-04-2026 16:00 - 17:00 370 MW

27-04-2026 17:00 - 18:00 370 MW

5. Amount of LTTR remaining after curtailment:

27-04-2026 08:00 - 09:00 190 MW

27-04-2026 09:00 - 10:00 159 MW

27-04-2026 10:00 - 11:00 140 MW

27-04-2026 11:00 - 12:00 201 MW

27-04-2026 15:00 - 16:00 154 MW

27-04-2026 16:00 - 17:00 196 MW

27-04-2026 17:00 - 18:00 226 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

HU-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2026 08:00 - 09:00 48 MW

27-04-2026 09:00 - 10:00 48 MW

27-04-2026 10:00 - 11:00 48 MW

27-04-2026 15:00 - 16:00 48 MW

27-04-2026 16:00 - 17:00 48 MW

5. Amount of LTTR remaining after curtailment:

27-04-2026 08:00 - 09:00 34 MW

27-04-2026 09:00 - 10:00 30 MW

27-04-2026 10:00 - 11:00 24 MW

27-04-2026 15:00 - 16:00 30 MW

27-04-2026 16:00 - 17:00 34 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-CZ

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2026 08:00 - 09:00 350 MW

27-04-2026 09:00 - 10:00 350 MW

27-04-2026 10:00 - 11:00 350 MW

27-04-2026 11:00 - 12:00 350 MW

27-04-2026 15:00 - 16:00 350 MW

27-04-2026 16:00 - 17:00 350 MW

27-04-2026 17:00 - 18:00 350 MW

5. Amount of LTTR remaining after curtailment:

27-04-2026 08:00 - 09:00 112 MW

27-04-2026 09:00 - 10:00 64 MW

27-04-2026 10:00 - 11:00 79 MW

27-04-2026 11:00 - 12:00 205 MW

27-04-2026 15:00 - 16:00 170 MW

27-04-2026 16:00 - 17:00 189 MW

27-04-2026 17:00 - 18:00 180 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication