9 Personnel expense

In CHF million	2015	2014
Salary and wage costs	2,295	2,194
Social security expenses	257	232
Expense of defined benefit plans. See Note 10.	320	244
Expense of defined contribution plans. See Note 10.	9	10
Expense of share-based payments. See Note 11.	2	5
Salary and wage costs of the employment company Worklink	4	5
Termination benefits	67	(1)
Other personnel expense	65	62
Total personnel expense	3,019	2,751

Termination benefit programmes

Swisscom supports employees involved in downsizing through a social plan. Depending on the relevant social plan as well as age and length of service, certain employees affected by downsizing may transfer to the employment company Worklink Ltd. The employment company Worklink Ltd hires out participating employees to third parties on a temporary basis. For further information see Note 28.