Closed-End National Municipal Portfolio Series 15

matured

Deposit Date: 5/20/2009
Non-Reoffered Date: 11/2/2009
Termination Date: 5/14/2014

Performance

as of 5/14/2014

Trust

Cumulative Total Return1 Average Annual Total Return2
Distributions Reinvested 3 Month 6 Month YTD Since Inception 1 Year 3 Year 5 Year Since Inception
With Transactional Sales Charge (18387C355) 0.22% 7.85% 6.20% 43.89% -7.51% 6.16% 7.57%
Without Transactional Sales Charge (18387C371) 4.93% 12.88% 11.16% 50.59% -3.11% 7.79% 8.56%
Distributions Received in Cash
With Transactional Sales Charge (18387C348) 0.20% 7.71% 6.13% 39.03% -7.95% 5.87% 6.83%
Without Transactional Sales Charge (18387C363) 4.90% 12.73% 11.08% 45.50% -3.57% 7.50% 7.81%

Benchmark

   
Bloomberg Municipal Bond 3.22% 5.45% 5.50% 29.65% 1.73% 5.44% 5.35%
to
Deposit Date: 5/20/2009
Non-Reoffered Date: 11/2/2009
Termination Date: 5/14/2014

Performance

between

Trust

Cumulative Total Return1 Average Annual Total Return2
Distributions Reinvested    
With Transactional Sales Charge (18387C355) 43.89% 7.57%
Without Transactional Sales Charge (18387C371) 50.59% 8.56%
Distributions Received in Cash    
With Transactional Sales Charge (18387C348) 39.03% 6.83%
Without Transactional Sales Charge (18387C363) 45.50% 7.81%

Benchmark

   
Bloomberg Municipal Bond 29.65% 5.35%