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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001010541-07-000029.txt : 20070709
<SEC-HEADER>0001010541-07-000029.hdr.sgml : 20070709
<ACCEPTANCE-DATETIME>20070709171700
ACCESSION NUMBER:		0001010541-07-000029
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20070709
DATE AS OF CHANGE:		20070709

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HUDSON TECHNOLOGIES INC /NY
		CENTRAL INDEX KEY:			0000925528
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MACHINERY, EQUIPMENT & SUPPLIES [5080]
		IRS NUMBER:				133641539
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48635
		FILM NUMBER:		07970148

	BUSINESS ADDRESS:	
		STREET 1:		275 N MIDDLETOWN RD
		CITY:			PEARL RIVER
		STATE:			NY
		ZIP:			10965
		BUSINESS PHONE:		8457356000

	MAIL ADDRESS:	
		STREET 1:		275 N MIDDLETOWN RD
		CITY:			PEARL RIVER
		STATE:			NY
		ZIP:			10965

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REFRIGERANT RECLAMATION INDUSTRIES INC
		DATE OF NAME CHANGE:	19940617

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANDRACCHIA STEPHEN P
		CENTRAL INDEX KEY:			0001010541

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		C/O HUDSON TECHNOLOGIES INC
		STREET 2:		275 NORTH MIDDLETOWN RD
		CITY:			PEARL RIVER
		STATE:			NY
		ZIP:			10967
		BUSINESS PHONE:		8457356000

	MAIL ADDRESS:	
		STREET 1:		25 TORNE VALLEY ROAD
		CITY:			HILLBURN
		STATE:			NY
		ZIP:			10931
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>sm13d070907.htm
<DESCRIPTION>SC 13D
<TEXT>
<HTML>
<HEAD>
<TITLE>SC 13D</TITLE>

</HEAD>
<BODY>

<FONT FACE="Arial" SIZE=1><P>SEC 1746 (2-98) Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.</P>
</FONT><FONT FACE="Arial" SIZE=2></FONT>

<P ALIGN="RIGHT">
<TABLE BORDER=1 CELLSPACING=0 CELLPADDING=0 WIDTH=150>
<TR>
<TD WIDTH="23%" VALIGN="TOP" HEIGHT=11>
<B><FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">OMB APPROVAL</B></FONT></TD>
</TR>
<TR>
<TD WIDTH="23%" VALIGN="TOP" HEIGHT=12>
<B><FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">OMB NUMBER: 3235-0145</B></FONT></TD>
</TR>
<TR><TD WIDTH="23%" VALIGN="TOP" HEIGHT=11>
<B><FONT FACE="Arial" SIZE=1><P>Expires: February 28, 2009</B></FONT></TD>
</TR>
<TR><TD WIDTH="23%" VALIGN="TOP" HEIGHT=23>
<B><FONT FACE="Arial" SIZE=1><P>Estimated average burden</P>
<P>Hours per response.......14.5</B></FONT></TD>
</TR>
</TABLE>
</P>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH=636>
<TR><TD VALIGN="TOP" ALIGN="CENTER" HEIGHT=11>
<B><FONT FACE="Arial"><P>                                                     UNITED STATES</P>
<P>SECURITIES AND EXCHANGE COMMISSION</P>
<P>Washington, D.C. 20549</B></FONT></TD>
</TR>
<TR>
<TD VALIGN="TOP" ALIGN="CENTER">
<B><FONT FACE="Arial"><P>SCHEDULE 13D</B></FONT></TD>
</TR>

<TR><TD ALIGN="CENTER"><B><FONT FACE="Arial"><P>Under the Securities Act of 1934</FONT></P></B></TD>
</TR>
<TR><TD ALIGN="CENTER"><B><P><FONT FACE="Arial">(Amendment No. __ )</FONT><SUP><FONT FACE="Arial" SIZE=2>*</P></SUP></FONT></B></TD>
</TR>

</TABLE>

<BR>
<BR>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH=547>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=2><P ALIGN="CENTER"><U>HUDSON TECHNOLOGIES, INC.</U></FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(Name of Issuer)</FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=2><P ALIGN="CENTER"><U>COMMON STOCK, $.01 PAR VALUE</U></FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(Title of Class of Securities)</FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=2><P ALIGN="CENTER"><U>444144-10-9</U></FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(CUSIP Number)</FONT></TD>
</TR>
</TABLE>

<FONT FACE="Arial" SIZE=2>
<P ALIGN="CENTER">&nbsp;</P></FONT>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH=547>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=2><P ALIGN="CENTER">Stephen P. Mandracchia</P>
<P ALIGN="CENTER">Hudson Technologies, Inc. </P>
<P ALIGN="CENTER">275 North Middletown Road </P>
<P ALIGN="CENTER">Pearl River, New York 10965 </P>
<P ALIGN="CENTER"><U>(845) 735-6000</U></FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(Name, Address and Telephone Number of Person</P>
<P ALIGN="CENTER">Authorized to receive Notice and Communications)</FONT></TD>
</TR>
</TABLE>
<P ALIGN="CENTER">&nbsp;</P></FONT>
<FONT FACE="Arial" SIZE=2></FONT>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH=547>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=2><P ALIGN="CENTER"><U>June 28, 2007</U></FONT></TD>
</TR>
<TR><TD VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(Date of Event which Requires Filing of this Statement)</FONT></TD>
</TR>
</TABLE>

<FONT FACE="Arial" SIZE=2>
</FONT><FONT FACE="Arial" SIZE=1><P>If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Sections 240.13d-1(e, 240.13d-1(f) or 240.13d-1(g), check the following box <FONT FACE="Wingdings">&#168;</FONT>
..</P>

<B><P>Note:</B>  Schedules filed in paper format shall include a signed original and five copies of the Schedule, including all exhibits.  See Section 240.13d-7 for other parties to whom copies are to be sent.</P>

</FONT><SUP><FONT FACE="Arial" SIZE=1><P>*</SUP></FONT><FONT FACE="Arial" SIZE=1> The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.</P>

<P>The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).</P>


<P>&nbsp;</P>
<P>&nbsp;</P>
<P>&nbsp;</P>
<P>&nbsp;</P>
</FONT>

<BR><FONT FACE="Arial" SIZE=2><CENTER>Page 1</CENTER></FONT>


<B><FONT FACE="Arial"><P ALIGN="CENTER">&nbsp;</P></B></FONT>
<TABLE CELLSPACING=0 BORDER=0 CELLPADDING=0 WIDTH=719>
<TR><TD WIDTH="31%" VALIGN="TOP">
<B><FONT FACE="Arial"><P>CUSIP NO.</B></FONT><FONT FACE="Arial" SIZE=1> </FONT><FONT FACE="Arial"> <U>444144-10-9</U></FONT></TD>
<TD WIDTH="41%" VALIGN="TOP">&nbsp;</TD>
<TD WIDTH="28%" VALIGN="TOP">&nbsp;</TD>
</TR>
</TABLE>

<B><FONT FACE="Arial"></B></FONT>
<TABLE BORDER CELLSPACING=0 CELLPADDING=8 WIDTH=719>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               1.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>NAMES OF REPORTING PERSON. I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY).</P>

<P>Stephen P. Mandracchia </FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>                2.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)</P>
<P>(A) <FONT FACE="Wingdings">&#111;</FONT>
</P>
<P>(B) <FONT FACE="Wingdings">&#111;</FONT>
</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               3.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2 BGCOLOR="#ffffff">
<FONT FACE="Arial" SIZE=1><P>SEC USE ONLY</P>
</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               4.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>SOURCE OF FUNDS (SEE INSTRUCTIONS)</P>

<P>PF and OO</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               5.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) or 2(E)                        </P>
</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               6.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>CITIZENSHIP OR PLACE OF ORGANIZATION</P>

<P>United States</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>NUMBER OF</P>
<P>SHARES</FONT></TD>
<TD WIDTH="7%" VALIGN="TOP">
<FONT FACE="Arial"><P>7.</FONT></TD>
<TD WIDTH="78%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>SOLE VOTING POWER</P>
<P>Stephen P. Mandracchia - 2,441,514 <A NAME="OLE_LINK1">(of which 203,494 Shares are issuable upon exercise of options and 6,420 Shares are issuable upon exercise of common stock purchase warrants)</A></P>
</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>BENEFICIALLY</P>
<P>OWNED BY</FONT></TD>
<TD WIDTH="7%" VALIGN="TOP">
<FONT FACE="Arial"><P>8.</FONT></TD>
<TD WIDTH="78%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>SHARED VOTING POWER</P>

<P> </FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>EACH</P>
<P>REPORTING</FONT></TD>
<TD WIDTH="7%" VALIGN="TOP">
<FONT FACE="Arial"><P>9.</FONT></TD>
<TD WIDTH="78%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>SOLE DISPOSITIVE POWER</P>
<P>Stephen P. Mandracchia - 2,441,514 (of which 203,494 Shares are issuable upon exercise of options and 6,420 are issuable upon exercise of common stock purchase warrants)</P>
<P>  </FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>PERSON WITH</FONT></TD>
<TD WIDTH="7%" VALIGN="TOP">
<FONT FACE="Arial"><P>10.</FONT></TD>
<TD WIDTH="78%" VALIGN="TOP">
<FONT FACE="Arial" SIZE=1><P>SHARED DISPOSITIVE POWER</P>

<P> </FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               11.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>

<P>2,441,514 Shares</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               12.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)                <FONT FACE="Wingdings">&#111;</FONT>
</P>

<P>&nbsp;</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               13.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>

<P>11.9%</FONT></TD>
</TR>
<TR><TD WIDTH="15%" VALIGN="TOP">
<FONT FACE="Arial"><P>               14.</FONT></TD>
<TD WIDTH="85%" VALIGN="TOP" COLSPAN=2>
<FONT FACE="Arial" SIZE=1><P>TYPE OF REPORTING PERSON*</P>

<P>IN</FONT></TD>
</TR>
</TABLE>

<BR><FONT FACE="Arial" SIZE=2><CENTER>Page 2</CENTER></FONT>

<FONT FACE="Courier New" SIZE=2><P>Item 1.  &#9;<U>Security and Issuer</P>
</U>
<P>&#9;This Statement relates to the Common Stock, par value $.01 per share ("Shares"), issued by Hudson Technologies, Inc., a New York corporation (the "Company"), whose principal executive offices are located at 275 North Middletown Road, Pearl River, New York  10965.</P>

<P>Item 2.&#9;<U>Identity and Background</P>
</U>
<P>&#9;(a)&#9;This Statement is being filed by Stephen P. Mandracchia (the "Reporting Person").</P>

<P>&#9;(b)&#9;The Reporting Person's business address is 275 North Middletown Road, Pearl River, New York  10965.</P>

<P>(c)&#9;Reporting Person is presently employed by the Company and serves as Vice President Legal, Regulatory and as Secretary of the Company. </P>

<P>(d)&#9;The Reporting Person has not, during the last five (5) years been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). </P>

<P>(e)&#9;The Reporting Person has not, during the last five (5) years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction that resulted in, or resulted in the Reporting Person being subject to, a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. </P>

<P>(f)&#9;The Reporting Person is a citizen of the United States of America. </P>

<P>Item 3.&#9;<U>Source and Amount of Funds or Other Consideration</P>
</U>
<P>The source and amount of all funds used for the purchases of the Shares by the Reporting Person was a combination of the Reporting Person's personal funds and funds borrowed from family members.  In connection with the purchase of the Shares the Reporting Person borrowed $600,000 in the aggregate from his father, Joseph Mandracchia, and his father-in-law, Frederick Zugibe.</P>

<P>Item 4.&#9;<U>Purpose of Transaction.</P>
</U>
<P ALIGN="JUSTIFY">&#9;&#9;The Shares reported in this Statement were acquired by the Reporting Person for investment purposes.  </P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">&#9;(a)-(j)&#9;Depending upon market conditions and other factors that the Reporting Person may deem material to his investment decision, the Reporting Person may make purchases of additional securities of the Company, or may dispose of all or a portion of the securities of the Company that he now owns or hereafter may acquire.  Except as set forth in this Item 4, the Reporting Person does not have any present plans or proposals that relate to or that would result in any of the actions specified in clauses (a) through (j) of Item 4 of this Statement.</P>

<P>Item 5.&#9;<U>Interest in Securities of the Issuer.</P>
</U>
<P ALIGN="JUSTIFY">&#9;(a)  According to the Company there were issued and outstanding</P>

<BR><FONT FACE="Arial" SIZE=2><CENTER>Page 3</CENTER></FONT>

<P ALIGN="JUSTIFY"> 20,234,664 Shares as of June 29, 2007.  The Reporting Person beneficially owns 2,441,514 Shares, comprising 11.9% of the 20,234,664 Shares issued and outstanding as of June 29, 2007, such ownership consisting of 2,231,600 Shares of which 1,768,100 shares are held of record in the name of the Reporting Person's spouse, 203,494 options to purchase Shares, and 6,420 Common Stock Purchase Warrants to Purchase Shares. </P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">(b)&#9;The Reporting Person may be deemed to have sole power to vote, direct the vote and to dispose of 2,441,514 Shares, of which 1,768,100 shares are held of record in the name of the Reporting Person's spouse, 203,494 Shares are issuable upon exercise of options and 6,420 Shares are issuable upon exercise of common stock purchase warrants.  </P>

</FONT><FONT SIZE=2><P ALIGN="JUSTIFY">&#9;</FONT><FONT FACE="Courier New" SIZE=2>(c) On June 28, 2007, the Reporting Person, purchased 2,000,000 Shares of the Company's common stock from the Fleming US Discovery Fund III, L.P., at a purchase price of $0.65 per share, pursuant to Stock Purchase Agreement dated June 28, 2007. There have been no other transactions in the class of securities reported on that were effected during the past sixty days by the Reporting Party.  </P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">&#9;(d) Except for the Reporting Person's spouse, who holds 1,768,100 Shares of record in her name, no person other than the Reporting Person has the right to receive dividends on, and any proceeds from, the disposition of any Shares reported as owned by them in Item 5 above. </P>

<P ALIGN="JUSTIFY">&#9;(e) It is inapplicable for the purposes hereof to state the date on which the Reporting Person ceased to be the owner of more than five percent (5%) of the Common Stock.</P>



<P>Item 6.&#9;<U>Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.</P>
</U><P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">&nbsp;</P>


<P ALIGN="JUSTIFY"> &#9;Except as described in this Item 6 and in Item 5 above, there are no contracts, arrangements, understandings or relationships with the Reporting Person or any other person with respect to the securities of the Company, including but not limited to transfer or voting of any other securities, finders' fees, joint ventures, loan or option arrangements, puts or calls, guaranties of profits, divisions of profits or loss or the giving or withholding of proxies, except that Reporting Person's spouse has irrevocably appointed  Reporting Person as her proxy with regard to 1,768,100 Share held of record in the name of Reporting Person's spouse.</P>
<P ALIGN="JUSTIFY"></P>
<P>&nbsp;</P>
<P>Item 7.&#9;<U>Materials to be filed as Exhibits.</P>


</U><P>Exhibit 7a.&#9;Stock Purchase Agreement between Stephen P. Mandracchia and Fleming, dated June 28, 2007 (Incorporated by reference to Exhibit(e)(3) to the Company's Form TO filed June 29, 2007</P>

<P>Exhibit 7b.&#9;Irrevocable Proxy, dated June 29, 2007 from Theresa A. Mandracchia to Stephen P. Mandracchia.</P>

<P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">SIGNATURE ON THE NEXT PAGE</P>
<P ALIGN="CENTER"></P>

<BR><FONT FACE="Arial" SIZE=2><CENTER>Page 4</CENTER></FONT>

<P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">&nbsp;</P>
<P>&nbsp;</P>


<P ALIGN="CENTER">SIGNATURE</P>

<P ALIGN="JUSTIFY">&#9;After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<U><P>&nbsp;</P>
<P>July 9, 2007</P>
</U><P>Date</P>

<P>&nbsp;</P>
<P>&nbsp;</P>
<U><P>/s/ Stephen P. Mandracchia </P>
</U><P>Signature</P>

<P>&nbsp;</P>
<U><P>Stephen P. Mandracchia </P>
</U><P>Name/Title</P></FONT>

<BR><FONT FACE="Arial" SIZE=2><CENTER>Page 5</CENTER></FONT>

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<DOCUMENT>
<TYPE>EX-7.B
<SEQUENCE>2
<FILENAME>sm13d070907ex7b.htm
<DESCRIPTION>EXHIBIT 7B
<TEXT>
<HTML>
<HEAD>
<META NAME="Generator" CONTENT="Microsoft Word 97">
<TITLE>SC 13D Exhibit 7B</TITLE>
</HEAD>
<BODY>

<B><FONT SIZE=3><P ALIGN="CENTER"></P>

<P ALIGN="CENTER">IRREVOCABLE PROXY</P>
<P ALIGN="CENTER">HUDSON TECHNOLOGIES, INC.</P>
</B><P ALIGN="CENTER"></P>
<P ALIGN="CENTER">&nbsp;</P>
</FONT><P ALIGN="JUSTIFY">&#9;The undersigned holder of 1,768,100 shares of the Common Stock, $.01 par value, of Hudson Technologies, Inc. (the "Shares") hereby revokes any previous proxies and irrevocably appoints  STEPHEN P. MANDRACCHIA, as the undersigned's proxy, with full power of substitution in each of them, in the name, place and stead of the undersigned, to attend all shareholders' meetings and to vote, execute consents, and otherwise represent those Shares in the same manner and with the same effect as if the undersigned were personally present at any such meeting or voting such Shares or personally acting on any matters submitted to shareholders for approval and consent.  </P>
<FONT SIZE=2>
<P>&#9;</FONT>The undersigned hereby acknowledges that this proxy may not be revoked without the written consent of the proxy named herein, and unless and until so revoked, this proxy shall remain in full force and effect.</P>

<P>Dated: Warwick, New York</P>
<P>June 29, 2007<BR>
<BR><U>/s/ Theresa A. Mandracchia</U>_____  </P>
<P>Theresa A. Mandracchia</P>
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