Investor Presentaiton

Mobile Benefiting from Gradual Recovery in Roaming Mobile Business 633 637 272 ■Revenue EBITDA (US$ Million) H1'22 H1'23 EBITDA Margin 43% 44% Revenue + 1% YoY Mobile Services Revenue + 5% YoY +2% YoY 459 468 489 281 EBITDA + 3% YoY Roaming & IDD Local Core (US$ Million) H1'21 H1'22 H1'23 Mobile Services EBITDA Margin 58% 58% 58% ■ Mobile services revenue grew 5% in H1'23, underpinned by the gradual recovery in roaming revenue and higher 5G adoption ☐ ■ Mobile business recorded a 5% growth in services revenue to US$489 million Post-paid customer base further expanded to 3.383 million, a net gain of 78,000 or 2% growth year-on-year 5G customer base reached 1.194 million as at end of June 2023, representing 35% of post-paid base Lower Mobile product sales impacted by cautious retail sentiment, lack of new handsets and longer handset replacement cycle HKT HKT 2023 Interim Results across our post-paid base Roaming revenue soared by 166% year-on-year as travel resumed with full border reopening ■ Post-paid exit ARPU up by 1% to HK$189 ■ Mobile services EBITDA rose 4% to US$281 million with margin of 58% a PCCW Group member 25

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