This excerpt taken from the CVS 8-K filed Feb 13, 2007.
divided by (2) the number of shares of CVS/Caremark common stock subject to the option after completion of the merger, rounded up to the nearest whole cent.
The pro forma purchase price which would have been paid to Caremark stockholders under the computation specified in the merger agreement is based on the number of shares of Caremark common stock and stock options outstanding as of September 30, 2006, the date of the balance sheet under which the merger is being presented.
Under the provisions of Statement of Financial Accounting Standards No. 141,