This excerpt taken from the NDAQ 8-K filed Feb 20, 2008.
Costs and expenses
The following is a summary of OMXs principal cost and expense categories.
Premises expenses. Premises expenses include lease payments for rented office space and related service charges for utilities.
Marketing expenses. Marketing expenses consist primarily of advertising and other promotional expenses including costs relating to presentations, events, sponsorships and similar items.
Consultancy expenses. Consultancy expenses consist primarily of fees for information technology consultants as well as third-party contracting fees and fees paid to other consultants, attorneys and accountants.
Operations and maintenance, IT. Operations and maintenance, IT expenses consist primarily of costs relating to service agreements, leases, hardware costs and other costs relating to operation and maintenance of IT systems.
Other external expenses. Other external expenses consist mainly of costs for travel, telecommunications, printing, cleaning and office security and maintenance. Also included are directors fees and membership dues.
Personnel expenses. Salaries and employee benefits consist primarily of employee salaries, bonuses, other remuneration and compulsory social security contributions with respect to employees and pension expenses.
Depreciation and impairment. Depreciation consists of depreciation of tangible fixed assets and intangible fixed assets (excluding goodwill) as well as impairments on intangible assets.