First, as noted above, the change in the inflation rate explains 76% of the variance in the rate of stock price appreciation, but that leaves 24% tobedetermined by assorted other factors.
That same agreement also gives Mr. Scott and his related family interests the right to put their shares to the Corporation at fair market value tobedetermined by independent appraisal if the sellers do not agree with the price offered by the Corporation, and payable in Berkshire shares.
Centrica said that "recognising the economic pressures facing many of our customers, the board has determined that any benefit arising from the exceptionally cold weather will be used to maintain our price competitiveness".