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<div align="left"><b>John Hancock High Yield Municipal Bond Fund (the “fund”)<br/>Supplement dated 12-14-2012 to the current Prospectus</b> </div><br/> <div align="left">In the “Fund Summary” section, under the “Past performance” subsection, the following benchmark index descriptions are added and the “Average annual total returns” table is amended and restated as follows: </div><br/> <div align="left"><b>Barclays High Yield Municipal Bond Index</b> is an unmanaged index composed of municipal bonds that are non-investment grade, unrated or rated below BBB/Baa. </div><br/> <div align="left"><b>Barclays Municipal Bond Index</b> is an unmanaged index representative of the tax-exempt bond market. </div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr valign="bottom"> <td width="69%"> </td> <td width="6%"> </td> <td width="1%" align="right"> </td> <td width="1%" align="right"> </td> <td width="1%" align="left"> </td> <td width="6%"> </td> <td width="1%" align="right"> </td> <td width="1%" align="right"> </td> <td width="1%" align="left"> </td> <td width="6%"> </td> <td width="1%" align="right"> </td> <td width="2%" align="right"> </td> <td width="1%" align="left"> </td> <td width="1%"> </td> <td width="2%"> </td></tr> <tr align="center"> <td valign="bottom" nowrap="nowrap" align="left"><b> Average annual total returns </b>(%) </td> <td> </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>1 Year</b> </td> <td> </td> <td> </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>5 Year</b> </td> <td> </td> <td> </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>10 Year</b> </td> <td> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="center"> </td></tr> <tr> <td> </td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>as of 12-31-11</b> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right"> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right"> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right"> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>Class A </b>before tax </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.26 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.57 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.42 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"> <div style="TEXT-INDENT: -8pt; MARGIN-LEFT: 20pt">After tax on distributions </div></td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.25 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.56 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.41 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"> <div style="TEXT-INDENT: -8pt; MARGIN-LEFT: 20pt">After tax on distributions, with sale </div></td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.11 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.85 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.49 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>Class B </b>before tax </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.35 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.41 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.28 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>Class C </b>before tax </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">8.35 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.74 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.12 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left">Barclays High Yield Municipal Bond Index*<sup>1</sup> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">14.88 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.21 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">— </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left">Barclays Municipal Bond Index* </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">10.70 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.22 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.38 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr></table> <div align="left"> <div style="MARGIN-TOP: 16pt; WIDTH: 18%; BORDER-TOP: #000000 1px solid"> </div></div> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tr> <td width="3%"></td> <td width="1%"></td> <td width="96%"></td></tr> <tr valign="top"> <td nowrap="nowrap" align="left">*</td> <td> </td> <td>Prior to December 14, 2012, the fund compared its performance solely to the Barclays Municipal Bond Index. After this date, the fund added the Barclays High Yield Municipal Bond Index as the primary benchmark index and retained the Barclays Municipal Bond Index as the secondary benchmark index to which the fund compares its performance to better reflect the universe of investment opportunities based on the fund's investment strategy.</td></tr> <tr> <td> </td></tr> <tr valign="top"> <td nowrap="nowrap" align="left"><sup>1</sup></td> <td> </td> <td>Total return for index is not available for the 10-year period.</td></tr></table>
<div align="left"><b>John Hancock High Yield Municipal Bond Fund (the “fund”)<br/>Supplement dated 12-14-2012 to the current Prospectus</b> </div><br/> <div align="left">In the “Fund Summary” section, under the “Past performance” subsection, the following benchmark index descriptions are added and the “Average annual total returns” table is amended and restated as follows: </div><br/> <div align="left"><b>Barclays High Yield Municipal Bond Index</b> is an unmanaged index composed of municipal bonds that are non-investment grade, unrated or rated below BBB/Baa. </div><br/> <div align="left"><b>Barclays Municipal Bond Index</b> is an unmanaged index representative of the tax-exempt bond market. </div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr valign="bottom"> <td width="69%"> </td> <td width="6%"> </td> <td width="1%" align="right"> </td> <td width="1%" align="right"> </td> <td width="1%" align="left"> </td> <td width="6%"> </td> <td width="1%" align="right"> </td> <td width="1%" align="right"> </td> <td width="1%" align="left"> </td> <td width="6%"> </td> <td width="1%" align="right"> </td> <td width="2%" align="right"> </td> <td width="1%" align="left"> </td> <td width="1%"> </td> <td width="2%"> </td></tr> <tr align="center"> <td valign="bottom" nowrap="nowrap" align="left"><b> Average annual total returns </b>(%) </td> <td> </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>1 Year</b> </td> <td> </td> <td> </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>5 Year</b> </td> <td> </td> <td> </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>10 Year</b> </td> <td> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="center"> </td></tr> <tr> <td> </td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>as of 12-31-11</b> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right"> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right"> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right"> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>Class A </b>before tax </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.26 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.57 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.42 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"> <div style="TEXT-INDENT: -8pt; MARGIN-LEFT: 20pt">After tax on distributions </div></td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.25 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.56 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.41 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"> <div style="TEXT-INDENT: -8pt; MARGIN-LEFT: 20pt">After tax on distributions, with sale </div></td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.11 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.85 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.49 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>Class B </b>before tax </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.35 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.41 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.28 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left"><b>Class C </b>before tax </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">8.35 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">2.74 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.12 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left">Barclays High Yield Municipal Bond Index*<sup>1</sup> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">14.88 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">4.21 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">— </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr> <tr valign="bottom"> <td valign="bottom" align="left">Barclays Municipal Bond Index* </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">10.70 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.22 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td valign="bottom" nowrap="nowrap" align="right">5.38 </td> <td valign="bottom" nowrap="nowrap" align="left"> </td> <td> </td> <td valign="bottom" nowrap="nowrap" align="left"> </td></tr> <tr valign="bottom"> <td valign="bottom" colspan="15"> <div style="BORDER-BOTTOM: #260f54 1pt solid; WIDTH: 100%; MARGIN-LEFT: 0%; "></div></td></tr></table> <div align="left"> <div style="MARGIN-TOP: 16pt; WIDTH: 18%; BORDER-TOP: #000000 1px solid"> </div></div> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tr> <td width="3%"></td> <td width="1%"></td> <td width="96%"></td></tr> <tr valign="top"> <td nowrap="nowrap" align="left">*</td> <td> </td> <td>Prior to December 14, 2012, the fund compared its performance solely to the Barclays Municipal Bond Index. After this date, the fund added the Barclays High Yield Municipal Bond Index as the primary benchmark index and retained the Barclays Municipal Bond Index as the secondary benchmark index to which the fund compares its performance to better reflect the universe of investment opportunities based on the fund's investment strategy.</td></tr> <tr> <td> </td></tr> <tr valign="top"> <td nowrap="nowrap" align="left"><sup>1</sup></td> <td> </td> <td>Total return for index is not available for the 10-year period.</td></tr></table>
0.0526
0.0525
0.0511
0.0435
0.0835
0.1488
0.107
0.0257
0.0256
0.0285
0.0241
0.0274
0.0421
0.0522
0.0442
0.0441
0.0428
0.0449
0.0412
0.0538
<b>Average annual total returns (%)<br/><br/>as of 12-31-11</b>
<b>Barclays High Yield Municipal Bond Index</b> is an unmanaged index composed of municipal bonds that are non-investment grade, unrated or rated below BBB/Baa.<br/><br/><b>Barclays Municipal Bond Index</b> is an unmanaged index representative of the tax-exempt bond market.
Prior to December 14, 2012, the fund compared its performance solely to the Barclays Municipal Bond Index. After this date, the fund added the Barclays High Yield Municipal Bond Index as the primary benchmark index and retained the Barclays Municipal Bond Index as the secondary benchmark index to which the fund compares its performance to better reflect the universe of investment opportunities based on the fund's investment strategy.