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STA PERFORMANCE Mr. Manop Kumdach Manager, Thai Summit PK Group March 04th, 2022 My Quality Declaration “Quality is the First” “คณุ ภาพตอ้ งเป็ นหนึง”

STA PERFORMANCE Agenda 1. Result of Supplier Evaluation Score 2021 2. Supplier Evaluation Score Policy 3. Supplier Award Policy and criteria 4. Supplier Performance Award 2021 5. Engineering information Add VMI Score

STA PERFORMANCE 1. Result of Supplier Evaluation Score 2021 Not achieve targe Achieve target 1 Supplier (3%) Not achieve target Achieve targe 39 Supplier (97%) เพืมกราฟแท่ง ,แยกเป็น 3 กราฟ ,แบง่ กลมุ่ ตาม Supplier In recent year, there are 39 suppliers who have achieved performance goals and only one has not. 3

STA PERFORMANCE 2. Supplier Evaluation Score Policy Description 2020 2021 2022 2023 2024 Safety (Serious case) 0 Case 0 Case 0 Case 0 Case 0 Case Quality 99% 100% 100% 100% 99% Costs 90% 90% 90% 90% 90% Delivery 100% 100% 100% 100% 100% Target 98% 98% 98% 98% 98% Actual 98% 99% - - - Case lower score target of month. Time #1 : Set plan improvement in format performance verification tracking and show evident for close action plan. Time #2 : Set plan improve and top management supplier meeting action plan for close all issue problem with team relate TSPK-G. เพมิ แนวทางในการปรับปรุงพตั นา VenderTime #3 : Top management supplier meeting with top management Purchasing Department of TSPK-G. Noted : If the score is lower target for 3 consecutive months. Supplier will not be eligible to receive RFQ. 4

STA PERFORMANCE 3. Supplier Award Policy for 2022 Excellence Award Criteria Award recipients will be determined based on an evaluation of their performance during 2022. The scoring criteria will evaluate supplier performance in specific measurable parameters (Score S,Q,C and D) from all TSPK's facilities. Partnership Safety “0“ Serious accident case (S) เรียงใหม่ S,Q,D,C Key suppliers Quality performance (Q) เปลียนแปลงทําตวั อกั ษรสีแดง Potential suppliers Commercial performance (C) TSPK-G CRITERIA Delivery performance (D) Achieve 100% TSPK-G targets continuous 12 months. The award will be announced during January to March with the \"TSPK-G Supplier Annual Conference 2022\" Benefit • Giving the opportunity to get consideration first in business share. • Improve business relationships to Partnership and Strategic Partnership. Noted : If the score is lower target for 3 consecutive months. Supplier will not be eligible to receive RFQ. 5

STA PERFORMANCE 4. Supplier Performance Award 2021 According to the conceptual to stimulate incentives for supplier potential development. Supplier performance awards are a potential way to stimulate supplier’s motivation though not always in the intended direction. The Supplier Performance Awards program recognizes suppliers involved in performance on 4 aspects (Safety, Quality, Delivery and Commercial) whose successes made a difference in helping TSPK-G achieve the goals according to the strategic route map, increased revenue or performance results, and who have consistently exhibited a collaborative business relationship with the TSPK-G. I would like to thank the partnership that got the \"Excellence Award\" 2022 which performs an excellent performance in Safety workplace, Quality, Delivery and Commercial in recent year. I would like to ask you to maintain an excellent performance forever. Mr.Manop Kumdach STA Manager 6

STA PERFORMANCE Check sure again 5. Engineering information (Master Plan New Project) 7

We are Good Teamwork with Continuous Improvement Spirit