A control premium is the additional value an acquirer pays above the minority market value of shares to obtain a controlling stake in a company, reflecting the economic benefits of control: ability to determine strategy, appoint management, declare dividends and implement operational improvements. It typically ranges from 20% to 40% above the minority share price in listed company transactions, but varies significantly by sector, strategic rationale and market conditions. Conversely, a minority interest is typically subject to a minority discount in private company valuations. Understanding and justifying the control premium is a key requirement in any business valuation.

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Example: a listed Swiss company trades at CHF 42 per share (minority value). A strategic acquirer pays CHF 58 per share to acquire 100% of the capital — a control premium of 38%. This premium reflects anticipated synergies of CHF 8.0 million annually (net present value CHF 45.0 million at 10% WACC), which the acquirer's board justified in its fairness opinion as financially reasonable.

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Hectelion quantifies and justifies control premiums and minority discounts in valuations for transactions, disputes and financial reporting purposes.