<SUBMISSION>
<ACCESSION-NUMBER>0001104659-18-071790
<TYPE>S-8 POS
<PUBLIC-DOCUMENT-COUNT>1
<FILING-DATE>20181207
<DATE-OF-FILING-DATE-CHANGE>20181207
<EFFECTIVENESS-DATE>20181207
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CDTI ADVANCED MATERIALS, INC.
<CIK>0000949428
<ASSIGNED-SIC>3564
<IRS-NUMBER>061393453
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>S-8 POS
<ACT>33
<FILE-NUMBER>333-151777
<FILM-NUMBER>181222260
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1700 FISKE PLACE
<CITY>OXNARD
<STATE>CA
<ZIP>93033
<PHONE>(805)486-4649
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1700 FISKE PLACE
<CITY>OXNARD
<STATE>CA
<ZIP>93033
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>CLEAN DIESEL TECHNOLOGIES INC
<DATE-CHANGED>19950816
</FORMER-COMPANY>
</FILER>
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<TYPE>S-8 POS
<SEQUENCE>1
<FILENAME>a18-40462_5s8pos.htm
<DESCRIPTION>S-8 POS
<TEXT>


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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">As filed with the Securities and Exchange Commission on December&nbsp;7, 2018</font></b></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration   No.&nbsp; 333-16939</font></b></p>    </td>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration No.&nbsp; 333-33276</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration   No.&nbsp; 333-117057</font></b></p>    </td>
<td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration No.&nbsp; 333-151777</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration   No.&nbsp; 333-206188</font></b></p>    </td>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration No.&nbsp; 333-215158</font></b></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C.&#160; 20549</font></b></p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Post-Effective Amendment No.&nbsp;1 to Form&nbsp;S-8 (Registration No.&nbsp;333-16939)<br> Post-Effective Amendment No.&nbsp;1 to Form&nbsp;S-8 (Registration No.&nbsp;333-33276)<br> Post-Effective Amendment No.&nbsp;1 to Form&nbsp;S-8 (Registration No.&nbsp;333-117057)<br> Post-Effective Amendment No.&nbsp;1 to Form&nbsp;S-8 (Registration No.&nbsp;333-151777)<br> Post-Effective Amendment No.&nbsp;1 to Form&nbsp;S-8 (Registration No.&nbsp;333-206188)<br> Post-Effective Amendment No.&nbsp;1 to Form&nbsp;S-8 (Registration No.&nbsp;333-215158)</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">REGISTRATION STATEMENT</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">UNDER THE SECURITIES ACT OF 1933</font></b></p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">CDTI ADVANCED MATERIALS,&nbsp;INC.</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant as specified in its charter)</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">06-1393453</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State of other   jurisdiction of</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">incorporation or   organization)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification No.)</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1700   Fiske Place</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Oxnard,   California 93033</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">93033</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of principal   executive offices)</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Zip Code)</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">THE 1994 INCENTIVE PLAN OF CLEAN DIESEL TECHNOLOGIES,&nbsp;INC.</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CLEAN DIESEL TECHNOLOGIES,&nbsp;INC. STOCK INCENTIVE PLAN</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CLEAN DIESEL TECHNOLOGIES,&nbsp;INC. 2016 OMNIBUS INCENTIVE PLAN</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Full title of plans)</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Matthew Beale<br> Chief Executive Officer<br> CDTi Advanced Materials,&nbsp;Inc.<br> 1700 Fiske Place<br> Oxnard, California 93033<br>  </font></b>(Name and address of agent for service)</p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(805) 639-9458<br>  </font></b>(Telephone number, including area code, of agent for service)</p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Copy to:</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">John J. McIlvery,&nbsp;Esq.</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Stubbs Alderton&nbsp;&amp; Markiles, LLP</font></p>
<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">15260 Ventura Boulevard, 20</font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">th</font>&#160;Floor</p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sherman Oaks, California 91403</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(818) 444-4500</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:5.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.&#160; See definitions of &#147;large accelerated filer,&#148; &#147;accelerated filer,&#148; &#147;smaller reporting company&#148; and &#147;emerging growth company&#148; in Rule&nbsp;12b-2 of the Exchange Act.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:5.0pt;">&nbsp;</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .35in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Large accelerated   filer&nbsp; </font><font face="Wingdings">o</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.5%;">
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Accelerated filer&nbsp;   </font><font face="Wingdings">o</font></p>    </td>   </tr>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .35in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Non-accelerated   filer&nbsp; </font><font face="Wingdings">x</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.5%;">
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Smaller reporting company&nbsp; </font><font face="Wingdings">x</font></p>    </td>   </tr>
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<td width="65%" valign="top" style="padding:0in 0in 0in 0in;width:65.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.5%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.5%;">
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Emerging growth company &nbsp;</font><font face="Wingdings">o</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:5.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B)&nbsp;of the Securities Act.&#160; </font><font face="Wingdings">o</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Explanatory Note</font></b></p>
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<p style="margin:0in 0in .0001pt;text-indent:24.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CDTi Advanced Materials,&nbsp;Inc., or the Company, hereby amends the following Registration Statements on Form&nbsp;S-8 to withdraw from registration any and all securities of the Company registered thereunder which have not been sold pursuant to such Registration Statements:</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt 45.0pt;text-indent:-20.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Registration Statement on Form&nbsp;S-8 (Registration No.&nbsp;333-16939) filed on November&nbsp;27, 1996;</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt 45.0pt;text-indent:-20.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Registration Statement on Form&nbsp;S-8 (Registration No.&nbsp;333-33276) filed on March&nbsp;24, 2000;</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt 45.0pt;text-indent:-20.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Registration Statement on Form&nbsp;S-8 (Registration No.&nbsp;333-117057) filed on July&nbsp;1, 2004;</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt 45.0pt;text-indent:-20.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Registration Statement on Form&nbsp;S-8 (Registration No.&nbsp;333-151777) filed on June&nbsp;19, 2008;</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt 45.0pt;text-indent:-20.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Registration Statement on Form&nbsp;S-8 (Registration No.&nbsp;333-206188) filed on August&nbsp;7, 2015; and</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt 45.0pt;text-indent:-20.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6.</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Registration Statement on Form&nbsp;S-8 (Registration No.&nbsp;333-215158) filed on December&nbsp;19, 2016.</p>
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">2<a name="PB_2_003320_2677"></a></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>
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<p style="margin:0in 0in .0001pt;text-indent:24.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form&nbsp;S-8 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Oxnard, State of California, on December&nbsp;7, 2018.</font></p>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CDTI ADVANCED MATERIALS,&nbsp;INC.</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>    </td>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Matthew Beale</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Matthew Beale</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Executive Officer</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Note:&#160; No other person is required to sign this Post-Effective Amendment in reliance upon Rule&nbsp;478 under the Securities Act of 1933, as amended.</font></p>
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">S-</font>1<a name="PB_1_003805_9403"></a></p>
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