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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">UNITED STATES</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Washington, D.C. 20549</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:14pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">FORM 8-K</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:12pt;font-style:normal;text-transform:none;font-variant: normal;">CURRENT REPORT</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">PURSUANT TO SECTION 13 or 15(d) OF THE</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES EXCHANGE ACT OF 1934</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Date of Report (Date of earliest event reported):&nbsp;&nbsp;May 19, 2015</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">CSG SYSTEMS INTERNATIONAL, INC.</font></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(Exact name of registrant as specified in its charter)</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Delaware&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <font style="text-decoration:underline;"> &#160;&nbsp;&nbsp;0-27512&nbsp;&nbsp;&nbsp;&nbsp;</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<font style="margin-left:36pt;"></font><font style="text-decoration:underline;"> 47-0783182</font></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(State or other jurisdiction&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (Commission&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (IRS Employer</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;">of incorporation)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;File Number)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Identification No.)</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9555 Maroon Circle, Englewood, CO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font><font style="margin-left:36pt;"></font><font style="margin-left:72pt;"></font><font style="text-decoration:underline;">&nbsp;&nbsp;80112</font></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (Address of principal executive offices)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <font style="margin-left:36pt;"></font>&nbsp;&nbsp;(Zip Code)</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Registrant's telephone number, including area code: (303)&#160;200&#8209;2000</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><br></p>

<hr style="page-break-after:always">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 5.07.&nbsp;&nbsp;Submission of Matters to a Vote of Security Holders. </p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On May 19, 2015, CSG Systems International, Inc. (&#8220;CSG&#8221;) held its Annual Meeting of Stockholders.&nbsp;&nbsp;The proposals voted upon at the meeting, which are more fully described in CSG&#8217;s proxy statement dated April 7, 2015 (the &#8220;2015 Proxy&#8221;), and the results of the vote were as follows:</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Proposal 1:&nbsp;&nbsp;Election of Directors.&nbsp;&nbsp;<font style="font-weight:normal;font-style:normal;">The table below shows the results of the stockholders&#8217; vote for the election of the Class III Directors, with terms expiring in 2018:</font></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
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<td style="width:157.5pt;"></td>
<td style="width:81pt;"></td>
<td style="width:72pt;"></td>
<td style="width:72pt;"></td>
<td style="width:72pt;"></td>
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<p style="border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Name of Director</p></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">For</p></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Against</p></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Abstain</p></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Non Votes</p></td>
</tr>
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<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Peter E. Kalan</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">26,147,449</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">66,405</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">113,309</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,468,751</p></td>
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<td valign="top"  style="">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Frank V. Sica</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">25,833,778</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">376,730</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">116,655</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,468,751</p></td>
</tr>
<tr>
<td valign="top"  style="">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">James A. Unruh</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">26,141,065</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">61,444</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">124,654</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,468,751</p></td>
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</table></div>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Proposal 2:&nbsp;&nbsp;Advisory Vote to Approve Executive Compensation.&nbsp;&nbsp;<font style="font-weight:normal;font-style:normal;">The table below shows the results of a non-binding advisory vote on CSG&#8217;s executive compensation program:</font></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:10pt;">&nbsp;</p>
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<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:382.5pt;;">
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<td style="width:95.6pt;"></td>
<td style="width:95.65pt;"></td>
<td style="width:95.6pt;"></td>
<td style="width:95.65pt;"></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">For</p></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Against</p></td>
<td valign="top"  style="">
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Abstain</p></td>
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<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Non Votes</p></td>
</tr>
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<td valign="top"  style="">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">24,634,127</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1,554,988</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">138,048</p></td>
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<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,468,751</p></td>
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</table></div>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Proposal 3:&nbsp;&nbsp;Ratification of the Appointment of KPMG as Independent Registered Public Accounting Firm for Fiscal 2015. <font style="font-weight:normal;font-style:normal;">A proposal to ratify the appointment of KPMG LLP as CSG&#8217;s independent registered public accounting firm for fiscal 2015 was adopted with the votes shown:</font></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
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<tr>
<td valign="top"  style="">
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">For</p></td>
<td valign="top"  style="">
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Against</p></td>
<td valign="top"  style="">
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;letter-spacing:-0.1pt;font-style:normal;text-transform:none;font-variant: normal;">Abstain</p></td>
</tr>
<tr>
<td valign="top"  style="">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">28,353,782</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">302,043</p></td>
<td valign="top"  style="">
<p style="text-align:right;Background-color:#FFFFFF;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">140,089</p></td>
</tr>
</table></div>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;"></p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><br></p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:12pt;font-family:Courier New;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:8.5pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Courier New;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;margin-left:216pt;"></p>

<hr style="page-break-after:always">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SIGNATURES</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Date:  May 20, 2015</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;"><font style="margin-left:108pt;"></font><font style="margin-left:230pt;"></font><font style="margin-left:36pt;"></font>CSG SYSTEMS INTERNATIONAL, INC<font style="font-weight:normal;">. </font></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;"><font style="margin-left:108pt;"></font><font style="margin-left:230pt;"></font><font style="margin-left:36pt;">By: </font>&nbsp;&nbsp;<font style="text-decoration:underline;">&#160;/s/ Rolland B. Johns &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;"><font style="margin-left:108pt;"></font><font style="margin-left:230pt;"></font><font style="margin-left:36pt;"></font>Rolland B. Johns, </p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:7.69%;"><font style="margin-left:108pt;"></font><font style="margin-left:230pt;"></font><font style="margin-left:36pt;">Chief </font>Accounting Officer </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;">&nbsp;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:12pt;font-family:Courier New;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:8.5pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Courier New;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;margin-left:216pt;"></p></body>
</html>
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 or 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):  May 19, 2015
CSG SYSTEMS INTERNATIONAL, INC.
(Exact name of registrant as specified in its charter)
Delaware
0-27512
47-0783182
(State or other jurisdiction           (Commission           (IRS Employer
of incorporation)              File Number)           Identification No.)
9555 Maroon Circle, Englewood, CO
80112
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including area code: (303) 200‑2000
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 5.07.  Submission of Matters to a Vote of Security Holders.
On May 19, 2015, CSG Systems International, Inc. ("CSG") held its Annual Meeting of Stockholders.  The proposals voted upon at the meeting, which are more fully described in CSG's proxy statement dated April 7, 2015 (the "2015 Proxy"), and the results of the vote were as follows:
Proposal 1:  Election of Directors.
The table below shows the results of the stockholders' vote for the election of the Class III Directors, with terms expiring in 2018:
Name of Director
For
Against
Abstain
Non Votes
Peter E. Kalan
26,147,449
66,405
113,309
2,468,751
Frank V. Sica
25,833,778
376,730
116,655
2,468,751
James A. Unruh
26,141,065
61,444
124,654
2,468,751
Proposal 2:  Advisory Vote to Approve Executive Compensation.
The table below shows the results of a non-binding advisory vote on CSG's executive compensation program:
For
Against
Abstain
Non Votes
24,634,127
1,554,988
138,048
2,468,751
Proposal 3:  Ratification of the Appointment of KPMG as Independent Registered Public Accounting Firm for Fiscal 2015.
A proposal to ratify the appointment of KPMG LLP as CSG's independent registered public accounting firm for fiscal 2015 was adopted with the votes shown:
For
Against
Abstain
28,353,782
302,043
140,089
2
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date:  May 20, 2015
CSG SYSTEMS INTERNATIONAL, INC
.
By:
/s/ Rolland B. Johns
Rolland B. Johns,
Chief
Accounting Officer
3