BMA-PGBI Closing Bell

Yields on the BMA-PGBI increased by approximately 1bps and its value decreased by 0.02% to close at 98.2638. Yields increased by approximately 1 to 2 basis points among the short to medium tenors while they remained stable in the long tenors. The increase in yields among the short to medium tenors resulted in the decrease in value

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Index Statistics               12-Sept-05    11-Sept-05       Change

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BMA-PGBI          (Index Value)  98.2638  98.2873  -0.0235  (-0.02%)

Principal Return  (Index Value)  83.7022  83.7509  -0.0487  (-0.06%)

Interest Return    %              17.40%   17.36%   0.0004   (0.23%)

Average Coupon     %             10.4757  10.4752   0.0005   (0.00%)

Average Maturity   %              5.9168   5.9201  -0.0033  (-0.06%)

Average Yield      %              9.2650   9.2537   0.0113   (0.12%)

Average Duration         Value    4.1039   4.1077  -0.0038  (-0.09%)

Average Convexity        Value   27.7722  27.7855  -0.0133  (-0.05%)

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