<SEC-DOCUMENT>0001437749-16-038623.txt : 20160913
<SEC-HEADER>0001437749-16-038623.hdr.sgml : 20160913
<ACCEPTANCE-DATETIME>20160913160100
ACCESSION NUMBER:		0001437749-16-038623
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160913
ITEM INFORMATION:		Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
FILED AS OF DATE:		20160913
DATE AS OF CHANGE:		20160913

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PDF SOLUTIONS INC
		CENTRAL INDEX KEY:			0001120914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				251701361
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31311
		FILM NUMBER:		161882898

	BUSINESS ADDRESS:	
		STREET 1:		333 WEST SAN CARLOS STREET
		STREET 2:		SUITE 700
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
		BUSINESS PHONE:		4082807900

	MAIL ADDRESS:	
		STREET 1:		333 WEST SAN JOSE STREET
		STREET 2:		SUITE 700
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>pdfs20160912_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML><HEAD><TITLE>pdfs20160912_8k.htm</TITLE>
<!-- Created by RDG HTML Converter -->
</HEAD>
<BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 10px; MARGIN-RIGHT: 10px">
<HR style="MARGIN-BOTTOM: 2px; BORDER-TOP: medium none; HEIGHT: 3px; BORDER-RIGHT: medium none; WIDTH: 100%; BORDER-BOTTOM: medium none; COLOR: #000000; BORDER-LEFT: medium none; MARGIN-TOP: 0px; BACKGROUND-COLOR: #000000">

<HR style="BORDER-TOP: medium none; HEIGHT: 1px; BORDER-RIGHT: medium none; WIDTH: 100%; BORDER-BOTTOM: medium none; POSITION: relative; COLOR: #000000; BORDER-LEFT: medium none; MARGIN-TOP: 0px; TOP: 0px; BACKGROUND-COLOR: #000000">

<P id=PARA3 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>&nbsp;</B></FONT></P>
<P id=PARA4 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>UNITED STATES</B></FONT></P>
<P id=PARA5 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>SECURITIES AND EXCHANGE COMMISSION</B></FONT></P>
<P id=PARA6 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Washington, D.C. 20549</B></FONT></P>
<P id=PARA7 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA8 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>FORM 8-K</B></FONT></P>
<P id=PARA9 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA10 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>CURRENT REPORT</B></FONT></P>
<P id=PARA11 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B></FONT></P>
<P id=PARA12 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA13 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Date of Report (Date of Earl</B><B>iest Event Reported): </B><B>September </B><B>13,</B><B> 2016</B></FONT></P>
<P id=PARA14 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA15 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>PDF SOLUTIONS, INC.</B></FONT></P>
<P id=PARA16 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Exact name of registrant as specified in its charter)</FONT></P>
<P id=PARA17 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA18 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">000-31311</FONT></P>
<P id=PARA19 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Commission File Number)</FONT></P>
<P id=PARA20 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL25  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA21 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Delaware</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA22 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">25-1701361</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA23 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(State or Other Jurisdiction of Incorporation)</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA24 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(I.R.S. Employer Identification No.)</FONT></P></TD></TR></TABLE>
<P id=PARA26 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA27 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>333 West San Carlos Street, Suite </B><B>10</B><B>00</B></FONT></P>
<P id=PARA28 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>San Jose, CA 95110</B></FONT></P>
<P id=PARA29 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Address of principal executive offices, with zip code)</FONT></P>
<P id=PARA30 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA31 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>(408) 280-7900</B></FONT></P>
<P id=PARA32 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Registrant&#8217;s telephone number, including area code)</FONT></P>
<P id=PARA33 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA34 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">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:</FONT></P>
<P id=PARA35 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL38  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 6.7%; VERTICAL-ALIGN: top">
<P id=PARA36 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT></P></TD>
<TD style="WIDTH: 93.3%; VERTICAL-ALIGN: top">
<P id=PARA37 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</FONT></P></TD></TR></TABLE>
<P id=PARA39 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL42  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 6.7%; VERTICAL-ALIGN: top">
<P id=PARA40 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT></P></TD>
<TD style="WIDTH: 93.3%; VERTICAL-ALIGN: top">
<P id=PARA41 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></P></TD></TR></TABLE>
<P id=PARA43 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL46  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 6.7%; VERTICAL-ALIGN: top">
<P id=PARA44 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT></P></TD>
<TD style="WIDTH: 93.3%; VERTICAL-ALIGN: top">
<P id=PARA45 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</FONT></P></TD></TR></TABLE>
<P id=PARA47 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL50  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 6.7%; VERTICAL-ALIGN: top">
<P id=PARA48 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT></P></TD>
<TD style="WIDTH: 93.3%; VERTICAL-ALIGN: top">
<P id=PARA49 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</FONT></P></TD></TR></TABLE>
<P id=PARA51 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25">&nbsp;</P>
<HR style="MARGIN-BOTTOM: 2px; BORDER-TOP: medium none; HEIGHT: 1px; BORDER-RIGHT: medium none; WIDTH: 100%; BORDER-BOTTOM: medium none; COLOR: #000000; BORDER-LEFT: medium none; MARGIN-TOP: 0px; BACKGROUND-COLOR: #000000">

<HR style="MARGIN-BOTTOM: 0px; BORDER-TOP: medium none; HEIGHT: 3px; BORDER-RIGHT: medium none; WIDTH: 100%; BORDER-BOTTOM: medium none; POSITION: relative; COLOR: #000000; BORDER-LEFT: medium none; MARGIN-TOP: 0px; TOP: 0px; BACKGROUND-COLOR: #000000">

<P style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25">&nbsp;<FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"></FONT></P>
<DIV id=PGBK57  style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=PGFTR57  style="WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<DIV id=PGNUM57  style="FONT-SIZE: 10pt; WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<HR style="HEIGHT: 2px; WIDTH: 100%; PAGE-BREAK-AFTER: always; COLOR: #000000" noShade>

<DIV id=PGHDR57  style="WIDTH: 100%; TEXT-ALIGN: left">&nbsp;</DIV></DIV>
<P id=PARA57.2 style="MARGIN-BOTTOM: 0px; TEXT-ALIGN: center; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><BR></FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><U><B>TABLE OF CONTENTS</B></U></FONT></P>
<P id=PARA61 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT></P>
<TABLE id=TBL64  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 100%; VERTICAL-ALIGN: top">
<P id=PARA62 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Item 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or&nbsp;Standard; Transfer of Listing</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 100%; VERTICAL-ALIGN: top">&nbsp; </TD></TR>
<TR>
<TD style="WIDTH: 100%; VERTICAL-ALIGN: top">
<P id=PARA63 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">SIGNATURES</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 100%; VERTICAL-ALIGN: top">&nbsp; </TD></TR></TABLE>
<P id=PARA65 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"></FONT></P>
<DIV id=PGBK66  style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=PGFTR66  style="WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<DIV id=PGNUM66  style="FONT-SIZE: 10pt; WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<HR style="HEIGHT: 2px; WIDTH: 100%; PAGE-BREAK-AFTER: always; COLOR: #000000" noShade>

<DIV id=PGHDR66  style="WIDTH: 100%; TEXT-ALIGN: left">&nbsp;</DIV></DIV>
<P id=PARA66.2 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&nbsp;</FONT></P>
<P id=PARA67 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Item </B><B>3</B><B>.01. </B><B>Notice of Delisting or Failure to Satisfy a Continued Listing Rule or&nbsp;Standard; Transfer of Listing</B><B>.</B></FONT></P>
<P id=PARA71 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA70 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25; TEXT-INDENT: 18pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">On September 12, 2016, PDF Solutions, Inc. (the &#8220;Company&#8221;) received a notice from The NASDAQ Stock Market indicating that as result of the death of director P. Stephen Heinrichs on September 4, 2016 and the corresponding reduction from three to two in both the number of directors on the Audit and Corporate Governance Committee of the Company&#8217;s Board of Directors and the number of independent directors on the Company&#8217;s Board of Directors, the Company was no longer in compliance with NASDAQ Listing Rule 5605. NASDAQ advised the Company that, consistent with NASDAQ Listing Rules 5605(b)(1)(A) and 5605(c)(4), the Company would be provided with a cure period in which to regain compliance as follows: </FONT></P>
<P id=PARA72 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=MTAB74  style="TEXT-INDENT: 0;FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 36pt">&nbsp;</TD>
<TD style="WIDTH: 18pt; VERTICAL-ALIGN: top">
<P id=PARA75 style="MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left; MARGIN-TOP: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9679;</FONT></P></TD>
<TD style="VERTICAL-ALIGN: top">
<P id=PARA76 style="MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left; MARGIN-TOP: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">until the earlier of the Company&#8217;s next annual shareholders&#8217; meeting or September 4, 2017; or </FONT></P></TD></TR></TABLE>
<TABLE id=MTAB79  style="TEXT-INDENT: 0;FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 36pt">&nbsp;</TD>
<TD style="WIDTH: 18pt; VERTICAL-ALIGN: top">
<P id=PARA80 style="MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left; MARGIN-TOP: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9679;</FONT></P></TD>
<TD style="VERTICAL-ALIGN: top">
<P id=PARA81 style="MARGIN-BOTTOM: 0pt; TEXT-ALIGN: left; MARGIN-TOP: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">if the next annual stockholders&#8217; meeting is held before March 3, 2017, then the Company must evidence compliance no later than March 3, 2017. </FONT></P></TD></TR></TABLE>
<P id=PARA82 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT></P>
<DIV id=PGBK84  style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=PGFTR84  style="WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<DIV id=PGNUM84  style="FONT-SIZE: 10pt; WIDTH: 100%; TEXT-ALIGN: center">&nbsp;</DIV>
<HR style="HEIGHT: 2px; WIDTH: 100%; PAGE-BREAK-AFTER: always; COLOR: #000000" noShade>

<DIV id=PGHDR84  style="WIDTH: 100%; TEXT-ALIGN: left">&nbsp;</DIV></DIV>
<P id=PARA84.2 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&nbsp;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B></B></FONT></P>
<P id=PARA88 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>SIGNATURES</B></FONT></P>
<P id=PARA89 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA90 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">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.</FONT></P>
<P id=PARA91 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<TABLE id=TBL111  style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; WIDTH: 100%; TEXT-INDENT: 0px" cellSpacing=0 cellPadding=0 border=0>

<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA92 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 38%; VERTICAL-ALIGN: top" colSpan=2>
<P id=PARA93 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">PDF SOLUTIONS, INC.</FONT></P>
<P id=PARA94 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Registrant)</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B></B></FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">
<P id=PARA96 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp;</TD>
<TD style="WIDTH: 38%; VERTICAL-ALIGN: top" colSpan=2>&nbsp;</TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">&nbsp;</TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA97 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top">
<P id=PARA98 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 35%; VERTICAL-ALIGN: top">
<P id=PARA99 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">
<P id=PARA100 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA101 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top">
<P id=PARA102 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">By: </FONT></P></TD>
<TD style="WIDTH: 35%; VERTICAL-ALIGN: top; BORDER-BOTTOM: #000000 1px solid">
<P id=PARA103 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">/s/&nbsp;Gregory C. Walker</FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">
<P id=PARA104 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P id=PARA105 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 3%; VERTICAL-ALIGN: top">
<P id=PARA106 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 35%; VERTICAL-ALIGN: top">
<P id=PARA107 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Gregory C. Walker</FONT></P>
<P id=PARA108 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><I>VP, Finance, and Chief Financial Officer</I></FONT></P>
<P id=PARA109 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><I>(Principal Financial</I>&nbsp;<I>Officer)</I></FONT></P></TD>
<TD style="WIDTH: 12%; VERTICAL-ALIGN: top">
<P id=PARA110 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD></TR></TABLE>
<P id=PARA112 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA113 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Dated: September 13, 2016</FONT></P>
<P id=PARA114 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
