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<p></p>
<div style="font-size:14;padding-top:5;padding-bottom:0;padding-left:0; text-align: center"><font size="2"><b>
DELAWARE GROUP® GOVERNMENT FUND </b></font> </div><p></p>
<div style="font-size:14;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<font size="2"><b>Delaware Core Plus Bond Fund<br/>
(the "Fund") </b></font></div><p></p>
<div style="font-size:14;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<font size="2"><b>Supplement to the Fund's Statutory and Summary Prospectuses<br/>
dated November 28, 2012</b></font></div><p></p>
<div style="font-size:10;padding-top:5;padding-bottom:0;padding-left:0; text-align: left"><font size="2"><i>On November 14-15, 2012, the Board of Trustees of Delaware Group Government Fund voted to approve certain changes related to the Fund's investment strategies. These changes include: (i) decreasing the minimum required investment in U.S. investment grade securities to 50% from 65% of net assets; (ii) increasing the limitation on high yield securities from 20% to 30% of net assets and removing the U.S. component; (iii) increasing the limitation on investments in international securities from 20% to 30% of net assets; and (iv) removing the 5% limitation on investments in foreign high yield securities (effectively permitting the Fund to invest up to 30% of its assets in such securities). As a result of these changes, the following disclosure will replace the Fund's current disclosure relating to certain investment strategies and risks. These changes will be effective sixty (60) days after the date of this Supplement.</i></font></div>
<p></p>
<div style="font-size:10;padding-top:5;padding-bottom:0;padding-left:0; text-align: left"><font size="2"><i>
The following information replaces the second paragraph in the section entitled, "Fund summary – What are the Fund's principal investment strategies?" in the Prospectus and in the section entitled "What are the Fund's principal investment strategies?" in the Summary Prospectus:</i></font></div><p></p>
<div style="font-size:10;padding-top:5;padding-bottom:0;padding-left:0; text-align: left"><font size="2">
The Fund will invest at least 50% of its net assets in domestic (U.S.) investment grade debt securities (the "core" portion of the portfolio). Such securities may include, but are not limited to, debt securities issued by the U.S. government and its agencies, high-quality corporate bonds, and mortgage-backed and asset-backed securities. In addition to this core allocation, the Fund may also invest in high yielding, lower-quality corporate bonds (also called "junk bonds") and foreign securities. However, the Fund may invest no more than 30% of its net assets in high yield securities and no more than 30% of its net assets in foreign securities. Moreover, the Fund's total non-U.S. dollar currency exposure will be limited, in aggregate, to no more than 10% of net assets, and the Fund's investments in emerging markets securities will be limited to no more than 15% of the Fund's net assets. Due to the manner in which the Fund is managed, it may be subject to a high rate of portfolio turnover.
</font></div>
<p> </p>
<p> </p>
<div style="font-size:10;padding-top:5;padding-bottom:0;padding-left:0; text-align: center"><font size="2"><b><i>
Please keep this Supplement for future reference.</i></b></font></div><p></p>
<div style="font-size:10;padding-top:5;padding-bottom:0;padding-left:0; text-align: left"><font size="2"><b>
This Supplement is dated November 30, 2012 </b></font></div><p></p>
<div style="font-size:14;padding-top:5;padding-bottom:0;padding-left:0; text-align: center"><font size="2"><b>
DELAWARE GROUP® GOVERNMENT FUND </b></font> </div><p></p>
<div style="font-size:14;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<font size="2"><b>Delaware Core Plus Bond Fund<br/>
(the "Fund") </b></font></div><p></p>
<div style="font-size:14;padding-top:5;padding-bottom:0;padding-left:0; text-align: center">
<font size="2"><b>Supplement to the Fund's Statutory and Summary Prospectuses<br/>
dated November 28, 2012</b></font></div><p></p>
<p style="MARGIN-TOP: 8pt; TEXT-INDENT: 0px; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0in; FONT-SIZE: 10pt" align="left"><i><font style="FONT-FAMILY: 'ARIAL'">On November 14-15, 2012, the Board of Trustees of Delaware Group Government Fund voted to approve certain changes related to the Fund’s investment strategies. These changes include: (i) decreasing the minimum required investment in U.S. investment grade securities to 50% from 65% of net assets; (ii) increasing the limitation on high yield securities from 20% to 30% of net assets and removing the U.S. component; (iii) increasing the limitation on investments in international securities from 20% to 30% of net assets; and (iv) removing the 5% limitation on investments in foreign high yield securities (effectively permitting the Fund to invest up to 30% of its assets in such securities). As a result of these changes, the following disclosure will replace the Fund’s current disclosure relating to certain
investment strategies and risks. These changes will be effective sixty (60) days after the date of this Supplement.</font></i></p>
<p style="MARGIN-TOP: 8pt; TEXT-INDENT: 0px; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0in; FONT-SIZE: 10pt" align="left"><i><font style="FONT-FAMILY: 'ARIAL'">The following information replaces the second paragraph in the section entitled, “Fund summary – What are the Fund’s principal investment strategies?” in the Prospectus and in the section entitled “What are the Fund’s principal investment strategies?” in the Summary Prospectus:</font></i></p>
<p style="MARGIN-TOP: 8pt; TEXT-INDENT: 0px; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0in; FONT-SIZE: 10pt" align="left"><font style="FONT-FAMILY: 'ARIAL'">The Fund will invest at least 50% of its net assets in domestic (U.S.) investment grade debt securities (the "core" portion of the portfolio). Such securities may include, but are not limited to, debt securities issued by the U.S. government and its agencies, high-quality corporate bonds, and mortgage-backed and asset-backed securities. In
addition to this core allocation, the Fund may also invest in high yielding, lower-quality corporate bonds (also called "junk bonds") and foreign securities. However, the Fund may invest no more than 30% of its net assets in high yield securities and no more than 30% of its net assets in foreign securities. Moreover, the Fund’s total non-U.S. dollar currency exposure will be limited, in aggregate, to no more than 10% of net assets, and the Fund's investments in emerging markets
securities will be limited to no more than 15% of the Fund's net assets. Due to the manner in which the Fund is managed, it may be subject to a high rate of portfolio turnover.</font></p>
<p> </p>
<p> </p>
<p style="MARGIN-TOP: 8pt; TEXT-INDENT: 0px; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0in; FONT-SIZE: 10pt" align="center"><b><i><font style="FONT-FAMILY: 'ARIAL'">Please keep this Supplement for future reference.</font></i></b></p>
<p style="MARGIN-TOP: 8pt; TEXT-INDENT: 0px; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0in; FONT-SIZE: 10pt" align="left"><b><font style="FONT-FAMILY: 'ARIAL'">This Supplement is dated November 30, 2012 </font></b></p>
<p></p>
<p style="MARGIN-TOP: 8pt; TEXT-INDENT: 0px; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0in; FONT-SIZE: 10pt" align="left"><font style="FONT-FAMILY: 'ARIAL'">The Fund will invest at least 50% of its net assets in domestic (U.S.) investment grade debt securities (the "core" portion of the portfolio). Such securities may include, but are not limited to, debt securities issued by the U.S. government and its agencies, high-quality corporate bonds, and mortgage-backed and asset-backed securities. In
addition to this core allocation, the Fund may also invest in high yielding, lower-quality corporate bonds (also called "junk bonds") and foreign securities. However, the Fund may invest no more than 30% of its net assets in high yield securities and no more than 30% of its net assets in foreign securities. Moreover, the Fund’s total non-U.S. dollar currency exposure will be limited, in aggregate, to no more than 10% of net assets, and the Fund's investments in emerging markets
securities will be limited to no more than 15% of the Fund's net assets. Due to the manner in which the Fund is managed, it may be subject to a high rate of portfolio turnover.</font></p>