Exhibit 4.2.3.a. Data overage fees paid in the past 12 months - text version

This horizontal bar graph shows how often people paid data overage fees in the past 12 months. The 1039 respondents who have data include in their wireless plan in the 2020 survey answered as follows:

• Never, 59%
• 1-2 times, 24%
• 3-6 times, 10%
• 7-9 times, 2%
• 10-12 times, 3%

The 1069 respondents who have data include in their wireless plan in the 2019 survey answered as follows:

• Never, 52%
• 1-2 times, 30%
• 3-6 times, 13%
• 7-9 times, 3%
• 10-12 times, 2%

The 796 respondents who have data include in their wireless plan in the 2018 survey answered as follows:

• Never, 51%
• 1-2 times, 30%
• 3-6 times, 14%
• 7-9 times, 1%
• 10-12 times, 3%

The 831 respondents who have data include in their wireless plan in the fall 2016 survey answered as follows:

• Never, 54%
• 1-2 times, 28%
• 3-6 times, 12%
• 7-9 times, 2%
• 10-12 times, 3%