Certain volumes provided in this news release represent a pro forma

arithmetic sum of multiple estimates of proved plus probable reserves, which statistical principles indicate may be misleading as to volumes that may actually be recovered.

This

arithmetic sum of GERB, the Reformist Bloc [RB], the Patriotic Front [PF] and ABV is not just unprincipled, but is an outright anti-European and anti-NATO concord which cannot be supported by the DPS," Mestan told reporters after his talks with Plevneliev.

Total resources - the

arithmetic sum of 2P reserves and risked resources.

It is notable that the lower the peptide concentrations were, the greater the divergence of the NT-proXNP value was from the simple arithmetic sum of the concentrations of NT-proANP and NT-proBNP (Table 1).

The correlation was even better between NT-proXNP and the arithmetic sum of NT-proANP and the NT-proBNP ([r.

The

arithmetic sum of neither of these groups of figures is 70, and no explanation of the discrepancies is given.

The cumulative effect of what everyone is doing is greater than the

arithmetic sum," he states.

This means that when you add the benefit of physical exercise and the benefit of computer use together, the joint effect is more than the expected

arithmetic sum," says Yonas Endale Geda, M.

7/ Diluted earnings per common share for the three month period ended September 30, 2007 is calculated using a numerator of $731 million, which is the

arithmetic sum of net income available to common shareholders of $713 million plus dividends of $18 million related to the 2004 preferred stock which are dilutive, and a denominator of 1,622 which represents the average diluted shares outstanding for the third quarter of 2007.

True therapeutic synergy is defined by mathematical equations which indicate that the therapeutic effect observed is in fact greater than the expected

arithmetic sum of the two drugs working independently, and is referred to by pharmacologists as the "Chou/Talalay" equations developed at Johns Hopkins University.

2) These volumes are

arithmetic sums of multiple estimates of contingent & prospective resources, which statistical principles indicate may be misleading as to volumes that may actually be recovered.

Such non-GAAP combined financial information only constitutes the

arithmetic sums described above with respect to the three and six months ended June 30, 2006 and does not give effect to purchase accounting, cost impacts including cost savings through organizational efficiencies and cost increases through public company costs, interest expense or other pro forma adjustments resulting from the Acquisitions of GII and ETT for that period.