SCHEDULE POWER INTERRUPTION Date: MAY 10, 2024 (FRIDAY) Time: 9:00 AM - 5:00 PM Duration: 8 HOURS Affected Areas: *DUBAO (Dumalinao & Tigbao) Feeder Particularly the Barangays of Locuban, Dumalinao, Lumad and Palpalan Reason/s of Interruption: 1. Replacement of old and leaking insulaotors 2. Clearing of Vegetation along powerlines. As a safety precaution, please always consider the power lines energized during the power interruption. Power will be immediately restored upon completion of the scheduled works. Please take the necessary preparations and precautions in anticipation of this scheduled power interruption. Thank you.

UNSCHEDULE POWER INTERRUPTION Date: MAY 6-7, 2024 Time: 2:58 PM - 3:00 AM Duration: 12 HOURS POWER INTERRUPTION ADVISORY TO ALL OUR VALUED MEMBER-CONSUMER OWNERS Date: 07 May 2024 Dear Valued Member Consumer Owners (MCOs) We regret to inform you of an unscheduled power interruption affecting several areas within our service coverage. This unexpected outage is due to unforeseen circumstances that require immediate attention to ensure the safety and integrity of our power distribution system. Affected Areas: • Municipalities of Pitogo, Dimataling, Tabina, Dinas, and portion of San Miguel Interruption Schedule: • Start Time: May 6, 2024 at 2:58 pm • Power restored: May 7, 2024 at 3:00 am for municipalities of Dimataling, and Dinas • Power will be restored for Pitogo and Tabina immediately after the completion of work Reason for Interruption: • San Miguel Substation equipment failure and emergency maintenance, etc. Measures in Place: Our technical team is already on-site and working diligently to restore power as quickly and safely as possible. We are committed to minimizing the duration of this outage and have mobilized all available resources to address the issue. Safety Information: • Please disconnect all sensitive appliances to avoid damage due to sudden power surges as electricity is restored. • Report any emergencies immediately to our customer service hotline or through our Facebook and Viber, and mobile accounts Updates: We will provide updates regularly as more information becomes available. Please stay tuned to our official communication channels: • Website: zamsureco1.com • Facebook: Zamboanga del Sur I Electric cooperative, Inc. • Customer Hotline: Smart: 09998840609/ Globe:09177212635/ Sun:09328764031/ local: 1621] We understand the inconvenience this may cause and appreciate your understanding and cooperation as we work to restore normal service promptly. Thank you for your patience during this time. Sincerely, ZAMSURECO-I Management

SCHEDULE POWER INTERRUPTION Date: MAY 3, 2024 (THURSDAY) Time: 9:00 AM - 5:00 PM Duration: 8 HOURS Affected Areas: *Line Section serving portion of Barangay Gatas, particularly corner Datoc and Vecenzo Sagun Streets to corner Duterte Street; some offices be affected are Philippine Statistic Authority (PSA) and PAMANA Corp Office. Reason/s of Interruption: 1. To facilitate the replacement of dilapidate pole; Correction of Sag wire traversing private lot in corner Duterte and V. Sagun Streets; Reconductoring of open secondary line from #4 bare wire to #1/0 insulated wire; Clearing of vegetation along the fridge of the affected line. As a safety precaution, please always consider the power lines energized during the power interruption. Power will be immediately restored upon completion of the scheduled works. Please take the necessary preparations and precautions in anticipation of this scheduled power interruption. Thank you.