Quarter Ended 31 March, 2020 Page 1 Executive Summary Unit : Million baht 2020 2019 Total revenues * 4,506.78 4,014.33 492.45 12.3 Total cost and expenses * 2,522.92 2,311.10 211.82 9.2 Gain (Loss) on

) (83.8%) (26,515) (8.3%) Gross profit 78,573 21.2% 61,677 16.2% 16,896 27.4% Gain from Exchange Rate 303 0.1% 1,521 0.4% (1,218) (80.1%) Gain on Derivatives 1,707 0.5% - 0.0% 1,707 Other income 1,697 0.5

program in the subsidiary to reduce staff costs in the long run of the subsidiary offset by several cost saving measures. 5. Net gain (loss) from exchange rate Total Hot Roll (Unit : Tons) Q3 19 Q3 20

ARPU slightly decreased -2.7%YoY. Fixed broadband business, contributing 5% of the core service revenue, continued its momentum with recorded high subscriber gain of +165k for 1H20 stimulated by work

finance cost, and a net FX gain. It declined -8.2% QoQ from lower foreign exchange gain. Market and Competitive Environment Thai economy exhibited signs of further recovery in 1Q23 due to the improvements

ลงทุนต้นงวด ยอดรายการซื้อ ยอดรายการขาย การเพิ่มขึ้นหรือลดลงของราคาตลาด (unrealized gain or loss) และยอดการลงทุนปลายงวด) (๓) ผลกำไรขาดทุนที่เกิดขึ้น

Performance Exhibit 1: Consolidated Company’s Performance comparison of 4Q2019 vs. 4Q2018 vs. 3Q2019 vs. FY2019 vs. FY2018 Note: (1) Adjusted EBITDA refers to EBITDA excluding impact of Stock Gain/(Loss) and

) ** Normalized net profit = Net profit – Unrealized gain / (loss) from FX – Non-operating income / (expense) B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion and Analysis 2018 2019 change Q4’18 Q3’19

Margin (%) 9.0% 7.3% 4.7% -4.3% -2.6% 9.2% 5.9% -3.2% ก าไรสทุธิ 322 145 71 -78% -51% 591 216 -63% ก าไรสทุธ ิบาท/หุน้ (1) 0.44 0.20 0.07 -84% -65% 0.80 0.21 -74% Stock Gain/(Loss) & NRV 113 - 33 - 432

gain on exchange rate. Net profit was shown at the amount of 637.3million baht for the first half of this year, increased from the same period last year by 592.9 million baht of which profit attributable