Mobile Business Customer Base ( in thousands ) Total

Customers Net Additional

Customers

for the Month Cumulative Net

Additional Customers

for the Year 4G

Customers 5G Package

Customers Aug 2020 945,902 -473 -4,375 767,025 98,157 Jul 2020 946,375 -364 -3,902 763,683 84,057 Jun 2020 946,739 -240 -3,538 759,718 70,199 May 2020 946,979 252 -3,298 757,534 55,609 Apr 2020 946,727 432 -3,550 753,725 43,745 Mar 2020 946,295 4,134 -3,982 751,953 31,723 Feb 2020 942,161 -7,254 -8,116 745,370 15,399 Jan 2020 949,415 -862 -862 757,844 6,736

Wireline Broadband Business Customer Base ( in thousands ) Total

Customers Net Additional

Customers

for the Month Cumulative Net

Additional Customers

for the Year Aug 2020 200,859 1,734 13,818 Jul 2020 199,125 2,009 12,084 Jun 2020 197,116 1,921 10,075 May 2020 195,195 2,015 8,154 Apr 2020 193,180 2,042 6,139 Mar 2020 191,138 2,537 4,097 Feb 2020 188,601 330 1,560 Jan 2020 188,271 1,230 1,230

5G package customers are mobile customers who have subscribed to 5G tariff plans. Customers sharing 5G tariff plans without subscription are not included.