BMA-PGBI Closing Bell

Yields on the BMA-PGBI increased by 1.5 bps and its value decreased by 0.02% to close at 98.4066. Yields increased by approximately 2 to 5 basis point among the short to medium tenors, while yields remained stable among the long tenors. These increases in yields among the short to medium tenors has led to the decrease in value.

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Index Statistics               20-Sept-05    19-Sept-05       Change

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BMA-PGBI          (Index Value)  98.4066  98.4276  -0.0211  (-0.02%)

Principal Return  (Index Value)  83.6822  83.7285  -0.0462  (-0.06%)

Interest Return    %               17.60%   17.56%  0.0004   (0.23%)

Average Coupon     %             10.4734  10.4742  -0.0007  (-0.01%)

Average Maturity   %              5.8952   5.8979  -0.0027  (-0.05%)

Average Yield      %              9.2725   9.2580   0.0146   (0.16%)

Average Duration         Value    4.0830   4.0864  -0.0034  (-0.08%)

Average Convexity        Value   27.7719  27.7781  -0.0062  (-0.02%)

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