The procurement process is part of a structured process to aid SONI Limited (“SONI”) in the selection of companies for inclusion on the Qualification System for the provision of DS3 System Services and the award of contracts subject to approval of the Regulatory Authorities Northern Ireland respectively. Refer to Qualification briefing document for full details. – Lot nr.: 1 POR L1NI Primary Operating Reserve Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance ) Quality: (Legal) – Lot nr.: 2 SOR L2NI Secondary Operating Reserve Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 3 TOR1 L3NI Tertiary 1 Operating Reserve Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 4 TOR2 L4NI Tertiary 2 Operating Reserve Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 5 RRD L5NI Replacement Reserve (De-Synchronised) Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 6 RRS L6NI Replacement Reserve (Synchronised) Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 7 SSRP L7NI Steady State Reactive Power Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 8 SIR L8NI Synchronous Inertial Response Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 9 RM1 L9NI Ramping Margin 1 Hour Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 10 RM3 L10NI Ramping Margin 3 Hour Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 11 RM8 L11NI Ramping Margin 8 Hour Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal) – Lot nr.: 12 FFR L12NI Fast Frequency Response Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 31/03/2027 10:59:59 PM Criteria definitions: Quality: (Technical Compliance) Quality: (Legal)