3 Operating costs

Direct costs

In CHF million 1.1.–30.6.2026 1.1.–30.6.2025
Customer premises equipment and merchandise 662 672
Services purchased 481 549
Costs to obtain a contract 253 249
Costs to fulfil a contract 11 34
Network access costs 278 357
Allowances for receivables and contract assets 52 50
Total direct costs 1,737 1,911

Indirect costs

In CHF million 1.1.–30.6.2026 1.1.–30.6.2025
Salary and social security expenses 1,479 1,513
Other personnel expense 28 35
Total personnel expense 1,507 1,548
Information technology cost 186 167
Maintenance expense 139 144
Energy costs 215 219
Advertising and selling expenses 97 98
Consultancy expenses and freelance workforce 47 51
Network capacity rental 28 37
Call centre services purchased 63 71
Administration expense 20 21
Miscellaneous operating expenses 258 332
Total other operating expense 1,053 1,140
Capitalised self-constructed tangible and intangible assets (333) (345)
Own work for capitalised contract costs (12) (14)
Gain on sale of property, plant and equipment (3) (14)
Miscellaneous income (81) (70)
Total capitalised self-constructed assets and other income (429) (443)
Total indirect costs 2,131 2,245

Capitalised self-constructed tangible and intangible assets include personnel costs for the manufacture of technical installations, the construction of network infrastructure and the development of software for internal use.