AIM Fixed Income Fund Statistics vs. Barclays Capital US Aggregate Bond Index as of 12/31/2008

The AIM Fixed Income Fund deviates from the BarCap Aggregate Bond Index in the following ways:

1. Longer duration than the benchmark (4.86 vs. 4.11)
2. More US Credit exposure (33.6% vs. 16.9%)
3. More A and AA rated bonds (24.9% vs. 14.3%)
4. More mortgage-backed securities (36.1% vs. 29.1%)