Document:

Exhibit 10.2

 

SECOND AMENDED AND RESTATED AGREEMENT

 

THIS SECOND AMENDED
AND RESTATED AGREEMENT (“the Agreement”) is made as of the 20th day of September, 2019 by and between Hudson Technologies,
Inc., P.O. Box 1541, One Blue Hill Plaza, Pearl River, New York 10965, Hudson Technologies Company, P.O. Box 1541, One Blue Hill
Plaza, Pearl River, New York 10965 and Aspen Refrigerants, Inc., P.O. Box 1541, One Blue Hill Plaza, Pearl River, New York 10965
(hereinafter Hudson Technologies, Inc., Hudson Technologies Company and Aspen Refrigerants, Inc. are collectively referred to herein
as “Hudson”) and Brian F. Coleman, residing at 41 Mountainview Avenue, Pearl River, New York 10965 (“Executive”).

 

WHEREAS, the Executive
is a named executive officer of Hudson Technologies, Inc. and currently holds the title of President and Chief Operating Officer
of Hudson Technologies, Inc.;

 

WHEREAS, Executive
is also an employee of Hudson Technologies Company and Aspen Refrigerants, Inc. and currently holds the position of President and
Chief Operating Officer with each such entity, and is employed at Hudson’s Pearl River, New York headquarters facility;

 

WHEREAS, Hudson Technologies
Company and Aspen Refrigerants, Inc. are each a separate, indirect wholly-owned subsidiary of Hudson Technologies, Inc. and each
is made a party to this Agreement for the purpose of implementing the terms of this Agreement;

 

WHEREAS, Hudson and
the Executive previously entered into an Amended and Restated Agreement made as of March 9, 2016 (the “Prior Agreement”);

 

WHEREAS, Hudson and
the Executive acknowledge that, because the Executive’s duties and responsibilities will bring the Executive into contact
with Hudson’s confidential information, Hudson must ensure that its valuable confidential information, as well as its customer
relationships, are protected and can be entrusted to the Executive;

 

WHEREAS, Hudson and
the Executive acknowledge that the Executive’s talents, knowledge and services to Hudson are of a special, unique, and extraordinary
character and are of particular and peculiar benefit and importance to Hudson;

 

WHEREAS, Hudson desires
to ensure that it will receive the continued dedication, loyalty and service of, and the availability of objective advice and counsel
from, the Executive, as well as assurances that the Executive will continue to devote his best efforts to his employment with Hudson
and that he will not solicit other executives or employees of Hudson; and

 

WHEREAS, Hudson and
the Executive desire to amend and restate the Prior Agreement on the terms contained herein.

 

NOW, THEREFORE, in
consideration of the continuation of the employment by Hudson of the Executive, the payments, rights and benefits granted, and
the mutual covenants and conditions contained herein, and for other good and valuable consideration, receipt of which is hereby
acknowledged, it is agreed that the Prior Agreement is hereby amended and restated as follows:

 

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1.                 
TERMINATION: The following payments and benefits (hereinafter “Severance Benefits”) will be provided to the
Executive by Hudson in the event of a Termination of Employment (as hereinafter defined):

 

A.               
Executive will continue to receive his annual base salary, based upon his annual base salary as of the date of his Termination
of Employment, for a period of eighteen (18) months (the “Severance Period”), with payroll to be made every two weeks,
or at such other frequency based upon Hudson’s normal payroll practice. Hudson shall deduct from Executive’s continuing
payroll all normal tax withholdings and deductions which Hudson is required by law to make. The initial payment shall be made within
the forty-five (45) day period following the Executive’s Termination of Employment and the Executive shall have no right
to designate the taxable year of payment.

 

B.                
Executive will also receive an amount equal to 100% of the highest bonus earned by the Executive in any calendar year within the
three (3) calendar years immediately preceding the date of Termination of Employment (the “Bonus”), which amount shall
be paid to Executive in equal payments throughout the Severance Period made every two weeks, or at such other frequency based upon
Hudson’s normal payroll practice. Hudson shall deduct from this bonus payment all normal tax withholdings and deductions
which Hudson is required by law to make. The initial payment shall be made within the forty-five (45) day period following the
Executive’s Termination of Employment and the Executive shall have no right to designate the taxable year of payment.

 

C.                
Within the forty-five (45) day period following the Executive’s Termination of Employment, Hudson will pay to the Executive
a lump sum payment for the Executive’s unused vacation for the year in which the Termination of Employment occurs, equal
to the number of pro rata unused vacation days on the date of Termination of Employment, as determined in accordance with
Hudson’s standard vacation policy, multiplied by the Executive’s daily base salary on the date of the Termination of
Employment. Hudson shall deduct from this payment all normal tax withholdings and deductions which Hudson is required by law to
make. The Executive shall have no right to designate the taxable year of payment.

 

D.               
The Executive’s participation in life, health and dental insurance, disability insurance, and any other benefits (the “Benefits”)
provided by Hudson to the Executive as of the date of the Termination of Employment shall be continued, or essentially equivalent
benefits provided by Hudson, for the entire Severance Period or until otherwise terminated by the Executive, on the same terms,
conditions and costs as if the Executive continued in the employ of Hudson. To the extent Benefits include health and dental insurance,
such Benefits shall be provided as COBRA continuation coverage, and not in addition to COBRA. Notwithstanding the foregoing, to
the extent Benefit coverages provided to the Executive under this paragraph are taxable to the Executive, Hudson’s obligation
hereunder shall not exceed the applicable dollar amount under Section 402(g)(1)(B) of the Internal Revenue Code of 1986, as amended
(the “Code”), determined as of the year in which the Executive’s “Separation of Service” occurs,
which is exempt under Treas. Reg. Section 1.409A-1(b)(9)(v)(D)(Limited Payment).

 

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E.                
All stock options, stock appreciation rights, and any similar rights which the Executive holds on the date of Termination of Employment
shall become fully vested and be exercisable on the date of Termination of Employment, and shall remain exercisable following the
Termination of Employment until (i) expiration of the Severance Period, (ii) termination of Severance Benefits pursuant to paragraph
“6” below, or (iii) expiration of the original term of the stock option, stock appreciation right or similar right,
whichever first occurs. No extension of an exercise period under this Agreement shall extend to a date that would cause a stock
option, stock appreciation right or similar right to be subject to Code Section 409A.

 

F.                 
For the purposes of this Agreement, the following definitions will apply:

 

(i)            
A “Termination of Employment” shall take place in the event that the Executive’s employment is terminated (a)
by Hudson without Cause (as hereinafter defined) or (b) by the Executive following an event constituting Good Reason (as hereinafter
defined).

 

(ii)           
“Cause” shall exist if the act(s) or conduct of the Executive make it unreasonable to require Hudson to continue to
retain Executive in its employment, such as, but not limited to, (a) the Executive’s willful and continued refusal to perform,
or the Executive’s willful and continued neglect of, the substantive duties of his position, (b) any willful act or omission
by the Executive constituting dishonesty, fraud or other malfeasance, (c) material nonconformance with Hudson’s standard
business practices and policies, including but not limited to violation of Hudson’s Code of Business Conduct and Ethics or
Hudson’s Substance Abuse Policy, (d) any act or omission by the Executive which has a material adverse effect upon the financial
condition or business reputation of Hudson, (e) the Executive’s conviction of a felony, or any crime involving moral turpitude,
dishonesty or theft, under the laws of the United States, or any state thereof, or any other jurisdiction in which Hudson conducts
business, (f) breach of the provisions of paragraphs “4” or “5” of this Agreement, or (g) the resignation
of Executive other than pursuant to the occurrence of an event constituting Good Reason.

 

(iii)          
“Good Reason” shall mean the occurrence of any of the following: (a) at any time within a twenty-four (24) month period
two individuals are elected to the Board of Directors of Hudson Technologies, Inc. (the “Board”) whose nominations
were not approved by the then sitting members of the Board; (b) the Executive is assigned any duties or responsibilities, without
his consent, that are materially inconsistent with his position, duties, responsibilities, or status; (c) Hudson requires the Executive,
without his consent, to be based at a location which is more than fifty (50) miles from Hudson’s corporate headquarters,
currently located at One Blue Hill Plaza, Pearl River, New York 10965; (d) except as provided in paragraph “1.I.” below,
the Executive’s annual base salary is reduced, except to the extent that the annual base salaries of all Executive Officers
(as defined below) are reduced due to the adverse financial condition of Hudson and further providing that the Executive’s
annual base salary may not be reduced to a level that is less than ninety percent (90%) of the Executive’s annual base salary
for the calendar year immediately prior to the Termination of Employment; (e) the Executive’s benefits are reduced and such
reduction results in a material reduction in the Executive’s total compensation except to the extent that such reductions
are made by Hudson on a company-wide basis and affect all Executive Officers that participate in such benefits; (f) except as provided
in paragraph “1.I.” below, the Executive experiences in any year a reduction in bonus compensation or other incentive
compensation, or a reduction in the ratio of the Executive’s incentive compensation, bonus or other such payments to his
base compensation, or a reduction in the method of calculation of the Executive’s incentive compensation, bonus or other
such payments if these benefits or payments are calculated other than as a percentage of base salary, except to the extent such
reduction applies equally or proportionally, as the case may be, to all Executive Officers of Hudson. Good Reason shall not be
deemed to exist unless the Executive’s Termination of Employment for Good Reason occurs within ninety (90) days following
the initial existence of one of the foregoing conditions, the Executive provides Hudson with written notice of the existence of
such condition(s) within thirty (30) days after the initial existence of the condition(s) and Hudson fails to remedy the condition
within thirty (30) days after its receipt of such notice. An isolated, insubstantial and inadvertent action not taken in bad faith
and which is remedied by Hudson within ten (10) days after Hudson’s receipt of notice thereof given by the Executive shall
not constitute Good Reason.

 

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(iv)         
“Executive Officer(s) shall mean the following: Hudson’s Chief Executive Officer (currently Kevin J. Zugibe); Hudson’s
President and/or Chief Operating Officer (currently Brian Coleman); Hudson’s Chief Financial Officer (currently Nat Krishnamurti);
and any other current or future officer of Hudson Technologies, Inc. that is subject to Section 16(a) of the Securities Exchange
Act of 1934.

 

G.               
Hudson’s obligation to pay the compensation and to make the arrangements provided in this paragraph “1” shall
be absolute and unconditional and shall not be affected by any circumstances, including, without limitation, any offset, counterclaim,
recoupment or other right which Hudson may have against the Executive or anyone else; provided, however that as a condition to
payment of amounts under this paragraph “1”, within sixty (60) days of the Executive’s Termination of Employment,
the Executive shall have (i) executed and not revoked a general release and waiver, in form and substance reasonably satisfactory
to Hudson and the Executive, of all claims relating to the Executive’s employment by Hudson and the termination of such employment,
including, without limitation, discrimination claims (including without limitation age discrimination), employment-related tort
claims, contract claims and claims under this Agreement (other than claims with respect to benefits under any tax-qualified retirement
plans or continuation of coverage or benefits solely as required under ERISA) with such general release and waiver having become
irrevocable, and (ii) executed an agreement expressly acknowledging and reaffirming the covenants and restrictions contained in
paragraphs “4” and “5” below, and the remedies available to Hudson under paragraph “6” below.

 

H.               
All amounts payable by Hudson pursuant to this paragraph “1” shall be paid without notice or demand. The Executive
shall not be obligated to seek other employment in mitigation of the amounts payable or arrangements made pursuant to this paragraph
“1” and, except as provided in paragraph “6” below, the obtaining of any other employment shall not result
in a reduction of Hudson’s obligation to make the payments, benefits and arrangements required to be made under this paragraph
“1”.

 

I.                  
Executive expressly acknowledges that the following shall not constitute “Good Reason” for purposes of this paragraph
“1”:

 

(i)            
Establishing a new or different bonus or incentive compensation plan(s) in any subsequent year based upon new or different criteria
for calculating the applicability of, and the amount of any bonus or incentive compensation award due to the Executive, provided
that any new or different bonus or incentive compensation plan, and any award under said plan, applies equally or proportionally,
as the case may be, to all Executive Officers; except that Hudson may establish separate performance criteria and payment amounts
for awards under such plan for each Executive Officer that are reasonably achievable and reasonably related to such Executive Officer’s
normal duties and responsibilities;

 

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(ii)           
A reduction of the Executive’s bonus compensation or other incentive compensation that (a) results from Hudson operating
at a level of performance below Hudson’s budget, (b) results from the Executive’s failure or inability to attain, in
whole or in part, any or all of the performance criteria established for the Executive under the said plan, (c) results from the
application of the terms of such bonus or incentive compensation plan, or (d) is based upon the Executive’s performance or
non-performance, of his normal duties and responsibilities during the period covered by the bonus or incentive compensation plan
including, without limitation, due to the Executive’s Disability (as defined herein);

 

(iii)          
A reduction of the Executive’s annual base salary based upon the Executive’s performance or non-performance, of his
normal duties and responsibilities, provided that the Executive’s annual base salary may not be reduced to a level that is
less than ninety (90%) percent of the Executive’s annual base salary for the calendar year immediately prior to the Termination
of Employment; or

 

(iv)         
A reduction in the Executive’s annual base salary pursuant to the provisions of paragraph “3” below.

 

2.                 
TERMINATION FOR CAUSE: Hudson may at any time terminate the employment of the Executive for Cause (as defined in paragraph
“1” above) upon five (5) days prior written notice to Executive. If Executive is terminated for Cause, he shall be
entitled to no Severance Benefits and shall be entitled to no bonus payment that might otherwise be owed to him if he worked for
the entire year. In the event of termination under this paragraph, Hudson shall pay Executive all amounts which are then accrued
but unpaid, including unpaid vacation as determined in accordance with Hudson’s’ standard vacation policy, within thirty
(30) days after the date of notice. Hudson shall have no further or additional liability to Executive.

 

		3.	    SICK LEAVE:

 

A.               
If with or without reasonable accommodation Executive is physically or mentally unable to perform his duties, or is otherwise absent
for medical reasons, Hudson shall continue to pay base salary and provide benefits to the Executive (“Sick Leave”).
However, if a continuous period of Sick Leave exceeds eight (8) consecutive weeks, Hudson’s obligation with regard to base
salary upon the expiration of the eight (8) consecutive weeks shall be limited to paying 75% of base salary. If the Executive returns
to full service, his full base salary shall be reinstated to the pre-adjustment amount. As a condition to the receipt of the foregoing
base salary and benefits, the Executive agrees that he shall provide Hudson such information as Hudson may reasonably request from
time to time to permit Hudson to make a determination that the Executive is entitled to sick pay under this provision. Hudson shall
reduce the amount paid to the Executive during such Sick Leave by an amount equal to any disability payments or benefits actually
received by Executive under or pursuant to any disability program or supplemental disability insurance plan(s) provided by Hudson
at Hudson’s expense unless such reduction results in a violation of Code Section 409A.

 

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B.                
Notwithstanding the foregoing, Hudson may terminate the employment of Executive at any time after Executive’s continuous
period of Sick Leave exceeds 120 calendar days. Termination of the Executive after the said 120 calendar period shall not be deemed
a Termination for Cause (as defined in paragraph “1” above) and shall entitle the Executive to receive the payments
and benefits provided by paragraph “1” upon Termination of Employment based upon Executive’s full base salary,
and for purposes of such payments and benefits, the Severance Period shall be deemed to commence as of the date of the Termination
of Employment resulting under this paragraph “3.B.”.

 

C.                
Notwithstanding anything to the contrary contained herein, in the event that during the period the Executive is on Sick Leave,
and prior to any Termination of Employment pursuant to paragraph “3.B.”, there is deemed a “Separation from Service”
(as that term is defined in Code Section 409A for purposes of a permissible payment event), Hudson and the Executive agree that
such Separation of Service shall be treated as a Termination of Employment. Such termination shall not be deemed a Termination
for Cause (as defined in paragraph “1” above) and shall entitle the Executive to receive the payments and benefits
provided by paragraph “1” upon Termination of Employment based upon Executive’s full base salary, provided that,
for purposes of such payments and benefits, the Severance Period shall commence as of the date of the Separation from Service as
described in this paragraph “3.C.”, and shall be based upon Executive’s full base salary.

 

D.               
Notwithstanding anything to the contrary contained herein, in the event that during the period the Executive is on Sick Leave,
and prior to any Termination of Employment pursuant to paragraph “3.B.” or any Separation from Service pursuant to
paragraph “3.C.”, the Executive becomes “Disabled”, (as defined in Code Section 409A for purposes of a
permissible payment event) Hudson and the Executive agree that the Executive’s Disability shall entitle the Executive to
receive the payments and benefits provided by paragraph “1” upon Termination of Employment based upon Executive’s
full base salary. For purposes of such payments and benefits, the Severance Period shall commence as of the date of the Disability
as described in this paragraph “3.D.”.

 

		4.	    CONFIDENTIALITY:

 

		A.	    Executive expressly acknowledges and agrees as follows:

 

(i)            
Hudson expends a significant amount of funds annually on researching and developing solutions and proprietary techniques related
to the products and services it offers or is seeking to offer, and has developed substantial confidential, proprietary, and trade
secret information, and this confidential, proprietary and trade secret information, if misused, disclosed, misappropriated or
used by others, would result in irreparable harm to Hudson.

 

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(ii)           
Hudson’s Confidential Information (as hereinafter defined) constitutes valuable commercial assets of Hudson and is not readily
available to the general public or any persons not employed by or otherwise not associated in a position of trust with Hudson.
Hudson keeps its Confidential Information confidential (other than to the extent filings are required for patents) by, among other
things, restricting access to only those who need the information to perform their Hudson job function and prohibiting the use
or disclosure of Confidential Information to anyone not authorized to receive or use the Confidential Information.

 

(iii)          
Executive’s position with Hudson will continue to provide Executive with access to or knowledge of Hudson’s Confidential
Information.

 

(iv)          
Hudson’s Confidential Information will become known to Executive only as a result of his/her employment with Hudson. To the
extent that Executive was previously engaged, on his own or with others, in a business that provided the same or similar services
as those provided by Hudson, Executive further acknowledges that such prior business knowledge and experience, and any familiarity
with entities that are actual or potential customers for the business, shall not permit or allow Executive to contend that Hudson’s
Confidential Information is not confidential or should not be protected from use or misappropriation.

 

		B.	     In light of the foregoing, Executive acknowledges and agrees as follows:

 

(i)            
All Confidential Information is the property of Hudson, and Executive shall not, without the express written consent of Hudson,
directly or indirectly use, disseminate, disclose, or in any way reveal, either during Executive’s employment or at any time
thereafter, all or any part of the Confidential Information, other than for the purposes authorized by Hudson, or only for the
benefit of Hudson.

 

(ii)          
Hudson shall be the sole owner of, and Executive hereby assigns to Hudson, any and all property rights to all Intellectual Property
(as hereinafter defined) made, conceived, originated, devised, discovered, invented, or developed before, during or after the term
of Executive’s employment with Hudson, whether or not Executive was involved either alone or with others, if it was in whole
or in part developed during the course of Executive’s employment or by Executive’s use of any property of Hudson. This
ownership provision does not apply to creations of the Executive which are made in the Executive’s own time, without the
use of any Hudson resources, and which do not relate in any way to Hudson’s business. Executive agrees to cooperate fully
and assist Hudson or its designee in the performance of any lawful acts that Hudson at its discretion deems necessary, and to execute
and deliver without charge any documents reasonably required by Hudson, to secure any patent, copyright, trademark, and other protection
for Intellectual Property and improvements thereon, and to assign to and vest in Hudson the entire interest therein in the United
States and all foreign countries.

 

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(iii)          
Upon request by Hudson at any time, or upon termination of employment with Hudson, whichever is sooner, Executive shall immediately
deliver to Hudson any and all information and property of Hudson in whatever form it exists, including but not limited to all Confidential
Information and all copies thereof or materials containing or derived from Confidential Information.

 

C.                
As used in this Agreement, “Confidential Information” means all information not publicly available (but including information
that is publicly available as a result of a breach by Executive of paragraphs “4” and “5”) and not generally
known or used by Hudson’s competitors, or in the industry, and which could be harmful to Hudson if disclosed to persons outside
of Hudson and which includes, but is not limited to:

 

(i)             
Intellectual Property (as hereinafter defined);

 

(ii)          
Technical information, such as, but not limited to: Hudson’s plant organization and designs; product formulation, manufacturing,
performance and processing data; and research and development results and plans;

 

(iii)          
Product information, such as, but not limited to: non-public details of Hudson’s products and services, including but not
limited to, its existing refrigerant, decontamination, reclamation and recovery products and services, as well as those being developed;
specialized equipment and training; product plans, drawings and specifications; and performance capabilities, strengths and weaknesses;

 

(iv)          
Strategic information, such as, but not limited to: Hudson’s material costs; supplier and vendor information; overhead costs;
pricing; profit margins; banking and financing information; and market penetration initiatives and strategies;

 

(v)          
Organizational information such as, but not limited to: Hudson’s personnel and salary data; information concerning the utilization
of facilities; merger, acquisition and expansion information; equipment utilization information; and Hudson manuals, policies and
procedures;

 

(vi)          
Marketing and sales information, such as, but not limited to: Hudson’s licensing, marketing and sales techniques and data;
customer lists; customer data, such as, but not limited to, their personnel, project, financial and account status, individual
needs, historical purchases, and contact information; product development and delivery schedules; market research and forecasts;
and marketing and advertising plans, techniques and budgets; and

 

(vii)        
Advertising information, such as, but not limited to: Hudson’s overall marketing policies; the specific advertising programs
and strategies utilized by Hudson; and the success or lack of success of those programs and strategies.

 

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“Confidential
Information” does not include general skills, experience or information that is generally available to the public, other
than information which has become generally available as a result of Executive’s direct or indirect act or omission. “Confidential
Information” also does not include information regarding Executive’s own pay and benefits, information as to the terms
and conditions of employment, or information that is deemed not confidential under Section 7 of the National Labor Relations Act.
Executive understands that nothing contained in this Agreement limits Executive’s ability to file a charge or complaint with
the Equal Employment Opportunity Commission, the National Labor Relations Board, the Occupation Safety and Health Administration,
the Securities and Exchange Commission or any other federal, state or local governmental agency or commission (“Government
Agencies”). Executive further understands that this Agreement does not limit Executive’s ability to communicate with
any Government Agencies or otherwise participate in any investigation or proceeding that may be conducted by any Government Agency,
including providing documents or other information, without notice to Hudson. This Agreement does not limit Executive’s right
to receive an award for information provided to any Government Agencies.

 

D.               
As used in this Agreement, “Intellectual Property” means all information concerning the evaluation, design, engineering,
construction, marketing, and sales of the products and services provided by Hudson and which includes, but is not limited to: any
and all patents, patents pending; trademarks, copyrights, and any and all applications for same issued to and/or applied for by
Hudson; any and all technological (including software), educational, operational, and financial innovations, discoveries, inventions,
designs, and formulae; tests; performance data; process or production methods; improvements to all such property; and all recorded
material defining, describing, illustrating, or documenting in any fashion, all such property, whether written or not and regardless
of the medium in which the information is stored or recorded; without regard to whether such property is patentable, copyrightable,
or subject to trade/service mark protection, and without regard to whether a patent, copyright, or trademark or service mark has
been sought or obtained.

 

E.                
Notwithstanding anything in this Agreement, Executive is hereby advised that pursuant to the federal Defend Trade Secrets Act:
(i) an individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure
of a trade secret that (a) is made (1) in confidence to a federal, state, or local government official, either directly or indirectly,
or to an attorney; and (2) solely for the purpose of reporting or investigating a suspected violation of law; or (b) is made in
a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal; and (ii) an individual
who files a lawsuit for retaliation by an employer for reporting a suspected violation of law may disclose the trade secret to
the attorney of the individual and use the trade secret information in the court proceeding, if the individual (a) files any document
containing the trade secret under seal; and (b) does not disclose the trade secret, except pursuant to court order.

 

		5.	    NON-COMPETITION / NON-SOLICITATION:

 

A.               
Executive expressly acknowledges and agrees as follows:

 

(i)          
Hudson compensates its employees, among other things, to develop and to pursue, on Hudson’s behalf, good relationships and
goodwill with all customers and potential customers, whether developed by Executive or others within the Hudson organization;

 

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(ii)          
Executive will be exposed to, acquire and develop knowledge of Confidential Information including, without limitation, Confidential
Information related to Hudson’s customers, operations, and its suppliers;

 

(iii)         
Executive is able to be gainfully employed by other employers in a variety of other industries and businesses that are engaged
in businesses that do not involve and are not competitive with any part of Hudson’s business.

 

B.                
In light of the foregoing, Executive agrees, that while Executive is employed by Hudson, and continuing until the expiration of
the Covenant Period (as hereinafter defined):

 

(i)            
Executive shall not, within the Restricted Territory (as hereinafter defined), compete with Hudson, directly or indirectly, whether
for Executive’s own behalf or on behalf of or in conjunction with any other person, persons, company, partnership, corporation
or business entity, whether for profit or not-for-profit, by being employed by, participating in, or otherwise being materially
connected in the conduct of any business activity that involves providing products or services that are like or similar to, or
competitive with, or would replace or be a substitute for, any one or more of the products and services provided by Hudson (hereinafter
“Competitive Products”) if such employment, participation, or connection involves: (a) responsibilities similar to
responsibilities Executive had or performed for Hudson at any time during the last eighteen (18) months of Executive’s employment
with Hudson; (b) supervision of employees or other personnel in the provision of Competitive Products; (c) development or implementation
of strategies or methodologies related to the provision of Competitive Products; (d) marketing or sale of Competitive Products;
or (e) responsibilities in which Executive would utilize or disclose Confidential Information.

 

(ii)           
Executive shall not compete with Hudson, directly or indirectly, whether for Executive’s own behalf or on behalf of or in
conjunction with any other person, persons, company, partnership, corporation or business entity, whether for profit or not-for-profit,
by calling upon, contacting, diverting, soliciting, or doing business for or with any “Client” of Hudson (as hereinafter
defined) for the purpose of offering or providing any Competitive Products.

 

(iii)          
Executive shall not directly or indirectly, without the prior written consent of Hudson, (a) induce, solicit, entice, or encourage
any officer, director, employee or other individual to leave his or her employment with Hudson, (b) induce, solicit, entice, or
encourage any officer, director, employee or other individual to compete in any way with the products and services of Hudson, or
to violate the terms of any employment, non-competition, confidentiality or similar agreement with Hudson; or (c) employ, offer
to employ, contract with, offer to contract with, or do business with any officer, director, employee or other individual who is
employed by Hudson.

 

C.                
For purposes of this paragraph “5”, the Covenant Period shall be eighteen (18) months after the Executive’s last
day of active employment with Hudson, regardless of the reason underlying the termination of Executive’s employment.

 

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D.               
Executive acknowledges that many of Hudson’s services are remedial in nature and, as such, its customers may utilize Hudson’s
services on an infrequent basis over an extended period of time, or following a protracted sales effort over an extended period
of time. Executive also acknowledges that because of his position, he will likely have knowledge of Hudson’s customers through
access to Confidential Information, whether or not located within the Restricted Territory (hereinafter defined). Accordingly,
for purposes of this paragraph “5”, the term “Client” shall mean (a) any customer or potential customer
of Hudson upon whom Executive, during the last eighteen (18) months of Executive’s employment with Hudson, called upon or
with whom Executive had any contact, or as to whom Executive was involved in regard to planning, marketing, conducting, or overseeing
an offer to sell products or perform services; (b) any customer as to whom Executive assisted in selling products or providing
services, or as to whom Executive was involved in regard to planning, marketing, conducting, or overseeing the offer to sell products
or perform services if the customer received any products or services from Hudson during the last eighteen (18) months of Executive’s
employment with Hudson; (c) any potential customer of Hudson whose identity Executive learned during the eighteen (18) months of
Executive’s employment with Hudson or learned from Confidential Information at any time; or (d) any customer for whom Hudson
has provided products or services to at any time during the thirty-six (36) months preceding the last day of the Executive’s
employment with Hudson and whose identity as a Hudson customer Executive learned from Confidential Information at any time.

 

E.                
Executive acknowledges that the nature of Hudson’s business is such that provides its products and services to customers
throughout the United States of America and Puerto Rico. Accordingly, the “Restricted Territory” includes each and
every state of the United States of America (including the District of Columbia) and Puerto Rico.

 

F.                 
In order to assure Hudson of the full eighteen (18) months of the Covenant Period within which to protect its goodwill and to prevent
Executive from unfairly benefiting by violations of this paragraph “5”, the provisions and requirements of this paragraph
“5” shall be extended for a period of time beyond the Covenant Period equal in length to the total length of time during
which Executive is in violation of any one or more provisions of this paragraph.

 

G.               
In the event it is determined by a court of competent jurisdiction that any provision or portion of a provision of this paragraph
“5” is not enforceable under the law governing this Agreement, the unenforceable provision or portion thereof may be
stricken, and the remainder of the provision and of this paragraph “5” shall be valid and fully enforceable, in all
respects, as if the provision or portion of a provision deemed unenforceable had never been part of the Agreement. Further, if
any provision of this Agreement is found to be overbroad or unenforceable, the court or any other authority with competent jurisdiction
is expressly authorized to conform the provision to the extent necessary to remedy any deficiency and render it valid and enforceable.

 

		6.	    REMEDIES:

 

A.               
In the event that the Executive breaches any term or provision of paragraphs “4” or “5” of this Agreement,
Hudson shall be immediately, permanently and irreparably damaged and shall be entitled, in addition to and without limiting Hudson’s
rights to, any and all other legal and equitable remedies and damages, (i) to a temporary restraining order ex parte, to a preliminary
injunction, and to a permanent injunction, to restrain Executive’s actions or the actions of others acting in conjunction
with Executive or on Executive’s behalf, (ii) to terminate all future Severance Benefits through the remainder of the Severance
Period, and (iii) to recover from Executive all Severance Benefits actually paid to the Executive, including any costs or expenses
actually incurred by Hudson in providing such Severance Benefits. Executive agrees that Executive will not be damaged by enforcement
of this covenant as Executive can obtain many other types of gainful employment without violating the provisions of paragraphs
“4” or “5”, so that no bond shall be required, and if the court requires a bond to be posted, it shall
not exceed $500.00.

 

    11 

     

    

 

B.                
All of Executive’s covenants and obligations under paragraphs “4” and “5” of this Agreement shall
survive, and shall remain enforceable, for so long as Executive is employed and after termination of employment for any reason,
and shall survive despite future promotions, raises, changes in position or compensation, demotions and the execution of new agreements
with Hudson, and shall inure to the benefit of Hudson’s successors and assigns, unless Hudson executes in writing an agreement
expressly terminating the covenants of paragraphs “4” and “5” of this Agreement.

 

C.                
Hudson and Executive shall each bear and be responsible for their own attorneys’ fees, expenses and disbursements incurred
in any litigation brought by either party to enforce or interpret any provision contained in paragraphs “4” or “5”
of this Agreement.

 

7.                 
NOTICES: All notices required or permitted to be given under this Agreement shall be sufficient if in writing and if sent
by certified mail, return receipt requested, to the Executive at his residence, and to Hudson at its principal office located at
P.O. Box 1541, One Blue Hill Plaza, Pearl River, New York 10965, attention Chief Executive Officer, or at such other address as
any party specifies by giving proper notice.

 

8.                 
SUCCESSORS: This Agreement shall be binding upon and shall inure to the benefit of the Executive and his estate. Neither
this Agreement nor any rights hereunder shall be assignable by the Executive.

 

This Agreement shall
be freely assignable by Hudson to, and shall inure to the benefit of, and be binding upon, any successor corporation or affiliate
of a successor corporation, and all references in this Agreement to Hudson shall include its subsidiaries and affiliates and any
successors, affiliates of successors or assigns of Hudson. As used herein, the term “successor” shall mean any person,
firm, corporation or business entity or affiliate thereof which at any time, whether by merger, purchase, or otherwise, directly
or indirectly acquires all or substantially all of the assets or the business of Hudson, including any entity that shall be the
surviving corporation in a merger with Hudson.

 

9.                 
EMPLOYMENT AT WILL; CONSEQUENCES OF TERMINATION: Nothing herein shall be deemed to create an agreement for employment of
Executive for any specified term or period of time. Hudson expressly agrees that at any time the Executive may resign or otherwise
terminate his or her employment with Hudson, for any reason or for no reason, subject to the provisions contained herein. Likewise,
the Executive expressly agrees that at any time Hudson may terminate the employment of the Executive for any reason or for no reason,
subject to the provisions contained herein.

 

    12 

     

    

 

10.             
INDEMNIFICATION: In the event that any litigation shall be brought to enforce or interpret any provision contained in paragraphs
“1”, “2”, or “3” of this Agreement, then, provided that the Executive prevails to any extent,
Hudson or any successor corporation shall reimburse or indemnify the Executive for the Executive’s reasonable attorneys’
fees, expenses and disbursements incurred in such litigation, including the costs of enforcement.

 

11.             
CONTROLLING LAW: This Agreement and all other issues regarding the employment of the Executive shall be governed by the
laws of the State of New York, without reference to its conflicts of law principles.

 

12.             
ENTIRE AGREEMENT: This Agreement represents the entire agreement and understanding of the parties regarding the employment
of the Executive, and all prior or contemporaneous agreements, representations, or understandings are expressly superseded by,
and do not survive this Agreement. Executive has not relied upon any inducement, promise, representation, or assurance, other than
those expressly set out herein. Except as expressly permitted herein, this Agreement may not be modified or amended except in writing
signed by all parties hereto.

 

13.             
WAIVER: The waiver of any breach of any provision of this Agreement by either party shall not operate or be construed as
a subsequent waiver by either party of any term or condition of this Agreement.

 

14.             
HEADINGS: The headings in this Agreement are inserted for convenience of reference only and shall not affect the meaning
or interpretation of this Agreement.

 

15.             
SEVERABILITY: The parties intend and agree that each covenant and condition contained in this Agreement shall be a separate
and distinct covenant. If any provision of this Agreement is found to be invalid, illegal, or unenforceable, the remaining provisions
shall not be affected.

 

		16.	    COMPLIANCE WITH CODE SECTION 409A:

 

A.       It
is the intention of Hudson and the Executive that the payments, benefits and rights to which the Executive could be entitled pursuant
to this Agreement comply with Code Section 409A, the Treasury regulations and other guidance promulgated or issued thereunder (collectively
for purposes of this paragraph 16, “Section 409A”), to the extent that the requirements of Section 409A are applicable
thereto, and after application of all available exemptions, including but not limited to, the “short-term deferral rule”
and “involuntary separation pay plan exception” and the provisions of this Agreement shall be construed in a manner
consistent with that intention. If any provision of this Agreement (or of any award of compensation, including equity compensation
or benefits) would cause the Executive to incur any additional tax or interest under Section 409A, Hudson shall, upon the specific
request of the Executive, use its reasonable business efforts to in good faith reform such provision to comply with Section 409A;
provided, that to the maximum extent practicable, the original intent and economic benefit to the Executive and Hudson of the applicable
provision shall be maintained, but Hudson shall have no obligation to make any changes that could create any additional economic
cost or loss of benefit to Hudson. Hudson shall not have any liability to the Executive with respect to tax obligations that result
from the application of Section 409A and makes no representation with respect to the tax treatment of the payments and/or benefits
provided under this Agreement. Any provision required for compliance with Section 409A that is omitted from this Agreement shall
be incorporated herein by reference and shall apply retroactively, if necessary, and be deemed a part of this Agreement to the
same extent as though expressly set forth herein.

 

    13 

     

    

 

B.                With
regard to any provision herein that provides for reimbursement of costs and expenses or in-kind benefits, except as permitted by
Section 409A, (i) the right to reimbursement or in-kind benefits is not subject to liquidation or exchange for another benefit,
(ii) the amount of expenses eligible for reimbursement, or in-kind benefits, provided during any taxable year shall not affect
the expense eligible for reimbursement, or in-kind benefits to be provided, in any other taxable year, provided that the foregoing
clause (ii) shall not be violated with regard to expenses reimbursed under any arrangement covered by Code Section 105(b) solely
because such expenses are subject to a limit related to the period the arrangement is in effect and (iii) such payments shall be
made on or before the last day of the Executive's taxable year following the taxable year in which the expense was incurred.

 

C.                
For purposes of applying the provisions of Section 409A to this Agreement, each separately identified amount to which the Executive
is entitled under this Agreement shall be treated as a separate payment within the meaning of Section 409A. In addition, to the
extent permissible under Section 409A, any series of installment payments under this Agreement shall be treated as a right to a
series of separate payments.

 

D.                Neither Hudson nor
the Executive, individually or in combination, may accelerate any payment or benefit that is subject to Section 409A, except in
compliance with Section 409A and the provisions of this Agreement, and no amount that is subject to Section 409A shall be paid
prior to the earliest date on which it may be paid without violating Section 409A. If the consideration period (or revocation period,
if applicable) for any general release and waiver extends across two (2) calendar years, the payments to the Executive shall begin
in the second of the calendar years.

 

E.                
If and to the extent required to comply with Section 409A, a Termination of Employment, as defined above, shall not be deemed to
have occurred for purposes of this Agreement providing for the payment of any amounts or benefits upon or following a Termination
of Employment unless such termination is also a “Separation from Service” within the meaning of Section 409A and, for
purposes of any provision of this Agreement, references to Termination of Employment, “termination,” “termination
of employment” or like terms shall mean “Separation from Service.”.

 

F.                
If the Executive is deemed on the date of termination of his employment to be a “specified employee,” within the meaning
of that term under Section 409A(a)(2)(B) and using the identification methodology selected by Hudson from time to time, or if none,
the default methodology under Section 409A, then with regard to any payment or the providing of any benefit subject to this Agreement
and to the extent required to be delayed in compliance with Section 409A(a)(2)(B), and any other payment or the provision of any
other benefit that is required to be delayed in compliance with Section 409A(a)(2)(B), such payment or benefit shall not be made
or provided prior to the earlier of (i) the expiration of the six-month period measured from the date of the Executive’s
Separation from Service or (ii) the date of the Executive’s death. In this regard, it is the intention and understanding
of Hudson and the Executive that payments made following a Termination of Employment under paragraph “1” shall be exempt
under the “short-term deferral rule” and “involuntary separation pay plan exception”, and other applicable
exceptions, from the requirements of Section 409A(a)(2)(B) and are not required and shall not be delayed. Absent such exception,
on the first day of the seventh month following the date of Executive’s Separation from Service or, if earlier, on the date
of his death, all payments delayed pursuant to this paragraph “16.F.” (whether they would have otherwise been payable
in a single sum or in installments in the absence of such delay) shall be paid or reimbursed to the Executive in a lump sum, and
any remaining payments and benefits due under this Agreement shall be paid or provided in accordance with the normal payment dates
specified for them herein. The determination of whether the Executive is a “specified employee” shall be made by Hudson
in good faith applying Section 409A.

 

    14 

     

    

  

IN WITNESS
THEREOF, the parties have executed this Agreement as of the date written above.

 

	 	 	Hudson
    Technologies, Inc.
	 	 	 
	 	 	By:	/s/ Kevin J. Zugibe
	 	 	 
	 	 	 
	 	 	Hudson
    Technologies Company
	 	 	 
	 	 	By:
    	/s/
    Kevin J. Zugibe
	 	 	 
	 	 	 
	 	 	Aspen
    Refrigerants, Inc.
	 	 	 
	 	 	By:	/s/ Kevin
    J. Zugibe
	 	 	 
	 	 	 
	 	 	 
	 	 	 /s/ Brian
    F. Coleman
	 	 	Brian
    F. Coleman

 

    15Exhibit 10.3

 

AMENDED AND RESTATED AGREEMENT

 

THIS AMENDED AND RESTATED
AGREEMENT (the “Agreement”) is made as of the 20th day of September, 2019 by and between Hudson Technologies, Inc.,
P.O. Box 1541, One Blue Hill Plaza, Pearl River, New York 10965, Hudson Technologies Company, P.O. Box 1541, One Blue Hill Plaza,
Pearl River, New York 10965, and Aspen Refrigerants, Inc., P.O. Box 1541, One Blue Hill Plaza, Pearl River, New York, 10965 (hereinafter
Hudson Technologies, Inc., Hudson Technologies Company, and Aspen Refrigerants, Inc. are collectively referred to herein as “Hudson”)
and Nat Krishnamurti, residing at 24 Oak Tavern Circle, Branchburg, NJ 08876 (“Executive”).

 

WHEREAS, the Executive
is an executive officer of Hudson Technologies, Inc. and currently holds the titles of Vice President, Chief Financial Officer
and Secretary of Hudson Technologies, Inc.;

 

WHEREAS, Executive
is also an employee of Hudson Technologies Company and Aspen Refrigerants, Inc. and currently holds the positions of Vice President,
Chief Financial Officer and Secretary with each such entity and is employed at Hudson’s Pearl River, New York headquarters
facility;

 

WHEREAS, Hudson Technologies
Company and Aspen Refrigerants, Inc. are each a separate, indirect wholly-owned subsidiary of Hudson Technologies, Inc. and each
is made a party to this Agreement for the purpose of implementing the terms of this Agreement;

 

WHEREAS, Hudson and
Executive previously entered into an Agreement made as of September 5, 2016 (the “Prior Agreement”);

 

WHEREAS, Hudson and
the Executive acknowledge that, because the Executive’s duties and responsibilities will bring the Executive into contact
with Hudson’s confidential information, Hudson must ensure that its valuable confidential information, as well as its customer
relationships, are protected and can be entrusted to the Executive;

 

WHEREAS, Hudson and
the Executive acknowledge that the Executive’s talents, knowledge and services to Hudson are of a special, unique, and extraordinary
character and are of particular and peculiar benefit and importance to Hudson;

 

WHEREAS, Hudson desires
to ensure that it will receive the dedication, loyalty and service of, and the availability of objective advice and counsel, from
the Executive, as well as assurances that the Executive will devote his best efforts to his employment with Hudson and that he
will not solicit other executives or employees of Hudson; and

 

WHEREAS, Hudson and
Executive desire to amend and restate the Prior Agreement on the terms contained herein.

 

NOW THEREFORE, in consideration
of the continuation of the employment by Hudson of the Executive, the payments, rights and benefits granted, and the mutual covenants
and conditions contained herein, and for other good and valuable consideration, receipt of which is hereby acknowledged, it is
agreed that the Prior Agreement is hereby amended and restated as follows:

 

    1 

     

    

 

1.                 
TERMINATION: The following payments and benefits (hereinafter “Severance Benefits”) will be provided to the
Executive by Hudson in the event of a Termination of Employment (as hereinafter defined):

 

A.               
Executive will continue to receive his annual base salary, based upon his annual base salary in effect as of the date of his Termination
of Employment, for a period of twelve (12) months (the “Severance Period”), in accordance with Hudson’s normal
payroll practice in effect as of the date of this Agreement. Hudson shall deduct from Executive’s continuing payroll all
normal tax withholdings and deductions which Hudson is required by law to make. The initial payment shall be made within the forty-five
(45) day period following the Executive’s Termination of Employment and the Executive shall have no right to designate the
taxable year of payment.

 

B.                
Within the forty-five (45) day period following the Executive’s Termination of Employment, Hudson will pay to the Executive
a lump sum payment in an amount equal to a pro rata bonus through the date of Termination of Employment (the “Pro-Rata Bonus”).
For purposes of this paragraph “1.B.”, the Pro-Rata Bonus shall be an amount equal to the highest bonus earned by the
Executive in any calendar year within the three (3) calendar years immediately preceding the date of Termination of Employment,
pro-rated for the period served during the year in which the Termination of Employment occurs. Hudson shall deduct from this bonus
payment all normal tax withholdings and deductions which Hudson is required by law to make. The Executive shall have no right to
designate the taxable year of payment.

 

Notwithstanding the
foregoing, Hudson shall not be obligated to pay the Pro-Rata Bonus to the Executive if as of the date of Termination of Employment
(i) Hudson is operating at a level of performance, on a year to date basis, below Hudson’s net profit goals as established
by Hudson’s Budget (as hereinafter defined), or (ii) the Executive is acting at a level of performance, on a year to date
basis, such that he has not achieved all of the performance criteria established by the Executive’s Budget (as hereinafter
defined). For purposes of this subparagraph “1.B.”, Hudson shall prepare a profit and loss statement showing Hudson’s
total year to date net profit as of the close of business the day prior to the date of Termination of Employment, and as compared
to the net profit under Hudson’s Budget (the “Interim P&L”).

 

C.                
Within the forty-five (45) day period following the Executive’s Termination of Employment, Hudson will pay to the Executive
a lump sum payment for the Executive’s unused vacation for the year in which the Termination of Employment occurs, equal
to the number of pro rata unused vacation days on the date of Termination of Employment, as determined in accordance with
Hudson’s standard vacation policy, multiplied by the Executive’s daily base salary on the date of the Termination of
Employment. Hudson shall deduct from this payment all normal tax withholdings and deductions which Hudson is required by law to
make. The Executive shall have no right to designate the taxable year of payment.

 

    2 

     

    

 

D.               
The Executive’s participation in life, health and dental insurance, disability insurance, and any other benefits (the “Benefits”)
provided by Hudson to the Executive as of the date of the Termination of Employment shall be continued, or essentially equivalent
benefits provided by Hudson, for the entire Severance Period or until otherwise terminated by the Executive, on the same terms,
conditions and costs as if the Executive continued in the employ of Hudson. To the extent Benefits include health and dental insurance,
such Benefits shall be provided as COBRA continuation coverage, and not in addition to COBRA. Notwithstanding the foregoing, to
the extent Benefit coverages provided to the Executive under this paragraph are taxable to the Executive, Hudson’s obligation
hereunder shall not exceed the applicable dollar amount under Section 402 (g)(1)(B) of the Internal Revenue Code of 1986, as amended
(the “Code”), determined as of the year in which the Executive’s “Separation of Service” occurs,
which is exempt under Treas. Reg. Section1.409A-1 (b)(9)(v)(D)(Limited Payment).

 

E.                
All stock options, stock appreciation rights, and any similar rights which the Executive holds on the date of Termination of Employment
shall become fully vested and be exercisable on the date of Termination of Employment, and shall remain exercisable following the
Termination of Employment until (i) expiration of the Severance Period, (ii) termination of Severance Benefits pursuant to paragraph
“6.A” below, or (iii) expiration of the original term of the stock option, stock appreciation right or similar right,
whichever first occurs. No extension of an exercise period under this Agreement shall extend to a date that would cause a stock
option, stock appreciation right or similar right to be subject to Code Section 409A.

 

F.                 
For the purposes of this Agreement, the following definitions will apply:

 

(i)             
A “Termination of Employment” shall take place in the event that the Executive’s employment is terminated (a)
by Hudson without Cause (as hereinafter defined) or (b) by the Executive following an event constituting Good Reason (as hereinafter
defined). 

 

(ii)           
“Cause” shall exist if the act(s) or conduct of the Executive make it unreasonable to require Hudson to continue to
retain Executive in its employment, such as, but not limited to, (a) the Executive’s willful and continued refusal to perform,
or the Executive’s willful and continued neglect of, the substantive duties of his position, (b) any willful act or omission
by the Executive constituting dishonesty, fraud or other malfeasance, (c) material nonconformance with Hudson’s standard
business practices and policies, including but not limited to violation of Hudson’s Code of Business Conduct and Ethics or
Hudson’s Substance Abuse Policy, (d) any act or omission by the Executive which has a material adverse effect upon the financial
condition or business reputation of Hudson, (e) the Executive’s conviction of a felony, or any crime involving moral turpitude,
dishonesty or theft, under the laws of the United States, or any state thereof, or any other jurisdiction in which Hudson conducts
business, (f) breach of the provisions of paragraphs “4” or “5” of this Agreement or, (g) the resignation
of Executive other than pursuant to the occurrence of an event constituting Good Reason.

 

    3 

     

    

 

(iii)          
“Good Reason” shall mean the occurrence of any of the following: (a) the Executive is assigned any duties or responsibilities,
without his consent, that are materially inconsistent with his position, duties, responsibilities, or status; (b) Hudson requires
the Executive, without his consent, to be based at a location which is more than fifty (50) miles from Hudson’s corporate
headquarters, currently located at One Blue Hill Plaza, Pearl River New York 10965; (c) except as provided in paragraph “1.I.”
below, the Executive’s annual base salary is reduced, except to the extent that the annual base salaries of all Executive
Officers (as defined below) are reduced due to the adverse financial condition of Hudson and further providing that the Executive’s
annual base salary may not be reduced to a level that is less than ninety percent (90%) of the Executive’s annual base salary
as of the date herein; (d) the Executive’s benefits are reduced and such reduction results in a material reduction in the
Executive’s total compensation, except to the extent that such reductions are made by Hudson on a company-wide basis and
affect all Executive Officers that participate in such benefits; or (e) except as provided in paragraph “1.I.” below,
the Executive experiences in any year a reduction in bonus compensation, or other incentive compensation, or a reduction in the
ratio of the Executive’s incentive compensation, bonus or other such payments to his base compensation, or a reduction in
the method of calculation of the Executive’s incentive compensation, bonus or other such payments if these benefits or payments
are calculated other than as a percentage of base salary, except to the extent such reduction applies equally or proportionally,
as the case may be, to all Executive Officers of Hudson. Good Reason shall not be deemed to exist unless the Executive’s
Termination of Employment for Good Reason occurs within ninety (90) days following the initial existence of one of the foregoing
conditions, the Executive provides Hudson with written notice of the existence of such condition(s) within thirty (30) days after
the initial existence of the condition(s) and Hudson fails to remedy the condition within thirty (30) days after its receipt of
such notice. An isolated, insubstantial and inadvertent action not taken in bad faith and which is remedied by Hudson within ten
(10) days after Hudson’s receipt of notice thereof given by the Executive shall not constitute Good Reason.

 

(iv)          
“Budget” shall mean (a) as to Hudson, the projected annual and monthly revenues, expenses and net profit goals approved
and accepted by Hudson’s board of directors for the applicable fiscal year, and for each month individually in that fiscal
year, and (b) as to Executive, all performance criteria capable of being measured on a month to month basis, if any, that have
been established for the Executive under any bonus or other incentive compensation plan covering the applicable fiscal year.

 

(v)           
“Executive Officer(s) shall mean the following: Hudson’s Chief Executive Officer (currently Kevin J. Zugibe); Hudson’s
President and/or Chief Operating Officer (currently Brian Coleman); Hudson’s Chief Financial Officer (currently Executive);
and any other current or future officer of Hudson Technologies, Inc. that is subject to Section 16(a) of the Securities Exchange
Act of 1934.

 

G.               
Hudson’s obligation to pay the compensation and to make the arrangements provided in this paragraph “1” shall
be absolute and unconditional and shall not be affected by any circumstances, including, without limitation, any offset, counterclaim,
recoupment or other right which Hudson may have against the Executive or anyone else; provided, however that as a condition to
payment of amounts under this paragraph “1”, within sixty (60) days of the Executive’s Termination of Employment,
the Executive shall have (i) executed and not revoked a general release and waiver, in form and substance reasonably satisfactory
to Hudson and the Executive, of all claims relating to the Executive’s employment by Hudson and the termination of such employment,
including, without limitation, discrimination claims (including without limitation age discrimination), employment-related tort
claims, contract claims and claims under this Agreement (other than claims with respect to benefits under any tax-qualified retirement
plans or continuation of coverage or benefits solely as required under ERISA) with such general release waiver having become irrevocable,
and (ii) executed an agreement expressly acknowledging and reaffirming the covenants and restrictions contained in paragraphs “4”
and “5” below, and the remedies available to Hudson under paragraph “6” below.

 

    4 

     

    

 

H.               
All amounts payable by Hudson pursuant to this paragraph “1” shall be paid without notice or demand. The Executive
shall not be obligated to seek other employment in mitigation of the amounts payable or arrangements made pursuant to this paragraph
“I” and, except as provided in paragraph “6” below, the obtaining of any other employment shall not result
in a reduction of Hudson’s obligation to make the payments, benefits and arrangements required to be made under this paragraph
“1”.

 

I.                   
Executive expressly acknowledges that the following shall not constitute “Good Reason” for purposes of this paragraph
“1”:

 

(i)            
Establishing a new or different bonus or incentive compensation plan(s) in any subsequent year based upon new or different criteria
for calculating the applicability of, and the amount of any bonus or incentive compensation award due to the Executive, provided
that any new or different bonus or incentive compensation plan, and any award under said plan, applies equally or proportionally,
as the case may be, to all Executive Officers; except that Hudson may establish separate performance criteria and payment amounts
for awards under such plan for each Executive Officer that are reasonably achievable and reasonably related to such Executive Officer’s
normal duties and responsibilities;

 

(ii)           
A reduction of the Executive’s bonus compensation or other incentive compensation that (a) results from Hudson operating
at a level of performance below Hudson’s Budget, (b) results from the Executive’s failure or inability to attain, in
whole or in part, any or all of the performance criteria established for the Executive under the said plan, (c) results from the
application of the terms of such bonus or incentive compensation plan, or (d) is based upon the Executive’s performance or
non-performance, of his normal duties and responsibilities during the period covered by the bonus or incentive compensation plan
including, without limitation, due to the Executive’s Disability (as defined herein);

 

(iii)          
A reduction of the Executive’s annual base salary based upon the Executive’s performance or non-performance, of his
normal duties and responsibilities, provided that the Executive’s annual base salary may not be reduced to a level that is
less than ninety (90%) percent of the Executive’s annual base salary for the calendar year immediately prior to the Termination
of Employment; or

 

(iv)          
A reduction in the Executive’s annual base salary pursuant to the provisions of paragraph “3” below.

 

    5 

     

    

 

2.                 
TERMINATION FOR CAUSE: Hudson may at any time terminate the employment of the Executive for Cause (as defined in paragraph
“1.F” above) upon five (5) days prior written notice to Executive. If Executive is terminated for Cause, he shall be
entitled to no Severance Benefits and shall be entitled to no bonus payment that might otherwise be owed to him if he worked for
the entire year. In the event of termination under this paragraph, Hudson shall pay Executive all amounts which are then accrued
but unpaid, including unpaid vacation as determined in accordance with Hudson’s’ standard vacation policy, within thirty
(30) days after the date of notice. Hudson shall have no further or additional liability to Executive.

 

		3.	     SICK LEAVE:

 

A.               
If with or without reasonable accommodation Executive is physically or mentally unable to perform his duties, or is otherwise absent
for medical reasons, Hudson shall continue to pay base salary and provide benefits to the Executive (“Sick Leave”).
However, if a continuous period of Sick Leave exceeds eight (8) consecutive weeks, Hudson’s obligation with regard to base
salary upon the expiration of the eight (8) consecutive weeks shall be limited to paying 75% of base salary. If the Executive returns
to full service, his full base salary shall be reinstated to the pre-adjustment amount. As a condition to the receipt of the foregoing
base salary and benefits, the Executive agrees that he shall provide Hudson such information as Hudson may reasonably request from
time to time to permit Hudson to make a determination that the Executive is entitled to sick pay under this provision. Hudson shall
reduce the amount paid to the Executive during such Sick Leave by an amount equal to any disability payments or benefits actually
received by Executive under or pursuant to any disability program or supplemental disability insurance plan(s) provided by Hudson
at Hudson’s expense unless such reduction results in a violation of Code Section 409A.

 

B.                
Notwithstanding the foregoing, Hudson may terminate the employment of Executive at any time after Executive’s continuous
period of Sick Leave exceeds 120 calendar days. Termination of the Executive after the said 120 calendar period shall not be deemed
a Termination for Cause (as defined in paragraph “1.F” above) and shall entitle the Executive to receive the payments
and benefits provided by paragraph “1” upon Termination of Employment based upon Executive’s full base salary,
and for purposes of such payments and benefits, the Severance Period shall be deemed to commence as of the date of the Termination
of Employment resulting under this paragraph “3.B.”.

 

C.                
Notwithstanding anything to the contrary contained herein, in the event that during the period the Executive is on Sick Leave,
and prior to any Termination of Employment pursuant to paragraph “3.B.”, there is deemed a “Separation from Service”
(as that term is defined in Code Section 409A for purposes of a permissible payment event), Hudson and the Executive agree that
such Separation of Service shall be treated as a Termination of Employment. Such termination shall not be deemed a Termination
for Cause (as defined in paragraph “1.F” above) and shall entitle the Executive to receive the payments and benefits
provided by paragraph “1” upon Termination of Employment based upon Executive’s full base salary, provided that,
for purposes of such payments and benefits, the Severance Period shall commence as of the date of the Separation from Service as
described in this paragraph “3.C.”, and shall be based upon Executive’s full base salary.

 

    6 

     

    

 

D.                
Notwithstanding anything to the contrary contained herein, in the event that during the period the Executive is on Sick Leave,
and prior to any Termination of Employment pursuant to paragraph “3.B.” or any Separation from Service pursuant to
paragraph “3.C”, the Executive becomes “Disabled”, (as defined in Code Section 409A for purposes of a permissible
payment event) Hudson and the Executive agree that the Executive’s Disability shall entitle the Executive to receive the
payments and benefits provided by paragraph “1” upon Termination of Employment based upon Executive’s full base
salary. For purposes of such payments and benefits, the Severance Period shall commence as of the date of the Disability as described
in this paragraph “3.D.”.

 

		4.	     CONFIDENTIALITY:

 

		A.	     Executive expressly acknowledges and agrees as follows:

 

(i)            
Hudson expends a significant amount of funds annually on researching and developing solutions and proprietary techniques related
to the products and services it offers or is seeking to offer, and has developed substantial confidential, proprietary, and trade
secret information, and this confidential, proprietary and trade secret information, if misused, disclosed, misappropriated or
used by others, would result in irreparable harm to Hudson.

 

(ii)           
Hudson’s Confidential Information (as hereinafter defined) constitutes valuable commercial assets of Hudson and is not readily
available to the general public or any persons not employed by or otherwise not associated in a position of trust with Hudson.
Hudson keeps its Confidential Information confidential (other than to the extent filings are required for patents) by, among other
things, restricting access to only those who need the information to perform their Hudson job function and prohibiting the use
or disclosure of Confidential Information to anyone not authorized to receive or use the Confidential Information.

 

(iii)          
Executive’s position with Hudson will continue to provide Executive with access to or knowledge of Hudson’s Confidential
Information.

 

(iv)          
Hudson’s Confidential Information will become known to Executive only as a result of his/her employment with Hudson. To the
extent that Executive was previously engaged, on his own or with others, in a business that provided the same or similar services
as those provided by Hudson, Executive further acknowledges that such prior business knowledge and experience, and any familiarity
with entities that are actual or potential customers for the business, shall not permit or allow Executive to contend that Hudson’s
Confidential Information is not confidential or should not be protected from use or misappropriation.

 

		B.	     In light of the foregoing, Executive acknowledges and agrees as follows:

 

(i)            
All Confidential Information is the property of Hudson, and Executive shall not, without the express written consent of Hudson,
directly or indirectly use, disseminate, disclose, or in any way reveal, either during Executive’s employment or at any time
thereafter, all or any part of the Confidential Information, other than for the purposes authorized by Hudson, or only for the
benefit of Hudson.

 

    7 

     

    

 

(ii)           
Hudson shall be the sole owner of, and Executive hereby assigns to Hudson, any and all property rights to all Intellectual Property
(as hereinafter defined) made, conceived, originated, devised, discovered, invented, or developed before, during or after the term
of Executive’s employment with Hudson, whether or not Executive was involved either alone or with others, if it was in whole
or in part developed during the course of Executive’s employment or by Executive’s use of any property of Hudson. This
ownership provision does not apply to creations of the Executive which are made in the Executive’s own time, without the
use of any Hudson resources, and which do not relate in any way to Hudson’s business. Executive agrees to cooperate fully
and assist Hudson or its designee in the performance of any lawful acts that Hudson at its discretion deems necessary, and to execute
and deliver without charge any documents reasonably required by Hudson, to secure any patent, copyright, trademark, and other protection
for Intellectual Property and improvements thereon, and to assign to and vest in Hudson the entire interest therein in the United
States and all foreign countries.

 

(iii)          
Upon request by Hudson at any time, or upon termination of employment with Hudson, whichever is sooner, Executive shall immediately
deliver to Hudson any and all information and property of Hudson in whatever form it exists, including but not limited to all Confidential
Information and all copies thereof or materials containing or derived from Confidential Information.

 

C.                
As used in this Agreement, “Confidential Information” means all information not publicly available (but including information
that is publicly available as a result of a breach by Executive of paragraphs “4” and “5”) and not generally
known or used by Hudson’s competitors, or in the industry, and which could be harmful to Hudson if disclosed to persons outside
of Hudson and which includes, but is not limited to:

 

(i)            
Intellectual Property (as hereinafter defined);

 

(ii)          
Technical information, such as, but not limited to: Hudson’s plant organization and designs; product formulation, manufacturing,
performance and processing data; and research and development results and plans;

 

(iii)          
Product information, such as, but not limited to: non-public details of Hudson’s products and services, including but not
limited to, its existing refrigerant, decontamination, reclamation and recovery products and services, as well as those being developed;
specialized equipment and training; product plans, drawings and specifications; and performance capabilities, strengths and weaknesses;

 

    8 

     

    

 

(iv)          
Strategic information, such as, but not limited to: Hudson’s material costs; supplier and vendor information; overhead costs;
pricing; profit margins; banking and financing information; and market penetration initiatives and strategies;

 

(v)          
Organizational information such as, but not limited to: Hudson’s personnel and salary data; information concerning the utilization
of facilities; merger, acquisition and expansion information; equipment utilization information; and Hudson manuals, policies and
procedures;

 

(vi)          
Marketing and sales information, such as, but not limited to: Hudson’s licensing, marketing and sales techniques and data;
customer lists; customer data, such as, but not limited to, their personnel, project, financial and account status, individual
needs, historical purchases, and contact information; product development and delivery schedules; market research and forecasts;
and marketing and advertising plans, techniques and budgets; and

 

(vii)         
Advertising information, such as, but not limited to: Hudson’s overall marketing policies; the specific advertising programs
and strategies utilized by Hudson; and the success or lack of success of those programs and strategies.

 

“Confidential
Information” does not include general skills, experience or information that is generally available to the public, other
than information which has become generally available as a result of Executive’s direct or indirect act or omission. “Confidential
Information” also does not include information regarding Executive’s own pay and benefits, information as to the terms
and conditions of employment, or information that is deemed not confidential under Section 7 of the National Labor Relations Act.
Executive understands that nothing contained in this Agreement limits Executive’s ability to file a charge or complaint with
the Equal Employment Opportunity Commission, the National Labor Relations Board, the Occupation Safety and Health Administration,
the Securities and Exchange Commission, or any other federal, state or local governmental agency or commission (“Government
Agencies”). Executive further understands that this Agreement does not limit Executive’s ability to communicate with
any Government Agency, including providing documents or other information, without notice to Hudson. This Agreement does not limit
Executive’s right to receive an award for information provided to any Government Agencies.

 

D.               
As used in this Agreement, “Intellectual Property” means all information concerning the evaluation, design, engineering,
construction, marketing, and sales of the products and services provided by Hudson and which includes, but is not limited to: any
and all patents, patents pending; trademarks, copyrights, and any and all applications for same issued to and/or applied for by
Hudson; any and all technological (including software), educational, operational, and financial innovations, discoveries, inventions,
designs, and formulae; tests; performance data; process or production methods; improvements to all such property; and all recorded
material defining, describing, illustrating, or documenting in any fashion, all such property, whether written or not and regardless
of the medium in which the information is stored or recorded; without regard to whether such property is patentable, copyrightable,
or subject to trade/service mark protection, and without regard to whether a patent, copyright, or trademark or service mark has
been sought or obtained.

 

    9 

     

    

 

E.                
Notwithstanding anything in this Agreement, Executive is hereby advised that pursuant to the federal Defend Trade Secrets Act:
(i) an individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure
of a trade secret that (a) is made (1) in confidence to a federal, state, or local government official, either directly or indirectly,
or to an attorney; and (2) solely for the purpose of reporting or investigating a suspected violation of law; or (b) is made in
a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal; and (ii) an individual
who files a lawsuit for retaliation by an employer for reporting a suspected violation of law may disclose the trade secret to
the attorney of the individual and use the trade secret information in the court proceeding, if the individual (a) files any document
containing the trade secret under seal; and (b) does not disclose the trade secret, except pursuant to court order.

 

		5.	     NON-COMPETITION / NON-SOLICITATION:

 

A.               
Executive expressly acknowledges and agrees as follows:

 

(i)            
Hudson compensates its employees, among other things, to develop and to pursue, on Hudson’s behalf, good relationships and
goodwill with all customers and potential customers, whether developed by Executive or others within the Hudson organization;

 

(ii)          
Executive will be exposed to, acquire and develop knowledge of Confidential Information including, without limitation, Confidential
Information related to Hudson’s customers, operations, and its suppliers;

 

(iii)         
Executive is able to be gainfully employed by other employers in a variety of other industries and businesses that are engaged
in businesses that do not involve and are not competitive with any part of Hudson’s business.

 

B.                
In light of the foregoing, Executive agrees, that while Executive is employed by Hudson, and continuing until the expiration of
the Covenant Period (as hereinafter defined):

 

(i)           
Executive shall not, within the Restricted Territory (as hereinafter defined), compete with Hudson, directly or indirectly, whether
for Executive’s own behalf or on behalf of or in conjunction with any other person, persons, company, partnership, corporation
or business entity, whether for profit or not-for-profit, by being employed by, participating in, or otherwise being materially
connected in the conduct of any business activity that involves providing products or services that are like or similar to, or
competitive with, or would replace or be a substitute for, any one or more of the products and services provided by Hudson (hereinafter
“Competitive Products”) if such employment, participation, or connection involves (a) responsibilities similar to responsibilities
Executive had or performed for Hudson at any time during the last eighteen (18) months of Executive’s employment with Hudson;
(b) supervision of employees or other personnel in the provision of Competitive Products; (c) development or implementation of
strategies or methodologies related to the provision of Competitive Products; (d) marketing or sale of Competitive Products; or
(e) responsibilities in which Executive would utilize or disclose Confidential Information.

 

    10 

     

    

 

(ii)           
Executive shall not compete with Hudson, directly or indirectly, whether for Executive’s own behalf or on behalf of or in
conjunction with any other person, persons, company, partnership, corporation or business entity, whether for profit or not-for-profit,
by calling upon, contacting, diverting, soliciting, or doing business for or with any “Client” of Hudson (as hereinafter
defined) for the purpose of offering or providing any Competitive Products.

 

(iii)          
Executive shall not directly or indirectly, without the prior written consent of Hudson, (a) induce, solicit, entice, or encourage
any officer, director, Executive or other individual to leave his or her employment with Hudson, (b) induce, solicit, entice, or
encourage any officer, director, Executive or other individual to compete in any way with the products and services of Hudson,
or to violate the terms of any employment, non-competition, confidentiality or similar agreement with Hudson; or (c) employ, offer
to employ, contract with, offer to contract with, or do business with any officer, director, Executive or other individual who
is employed by Hudson.

 

C.                
For purposes of this paragraph “5”, the Covenant Period shall be twelve (12) months after the Executive’s last
day of employment with Hudson, regardless of the reason underlying the termination of Executive’s employment.

 

D.               
Executive acknowledges that many of Hudson’s services are remedial in nature and, as such, its customers may utilize Hudson’s
services on an infrequent basis over an extended period of time or following a protracted sales effort over an extended period
of time. Executive also acknowledges that because of his position, he will likely have knowledge of Hudson’s customers through
access to Confidential Information, whether or not located within the Restricted Territory (hereinafter defined). Accordingly,
for purposes of this paragraph “5”, the term “Client” shall mean (a) any customer or potential customer
of Hudson upon whom Executive, during the last eighteen (18) months of Executive’s employment with Hudson, called upon or
with whom Executive had any contact, or as to whom Executive was involved in regard to planning, marketing, conducting, or overseeing
an offer to sell products or perform services; (b) any customer as to whom Executive assisted in selling products or providing
services, or as to whom Executive was involved in regard to planning, marketing, conducting, or overseeing the offer to sell products
or perform services if the customer received any products or services from Hudson during the last eighteen (18) months of Executive’s
employment with Hudson; (c) any potential customer of Hudson whose identity Executive learned during the eighteen (18) months of
Executive’s employment with Hudson or learned from Confidential Information at any time; or (d) any customer for whom Hudson
has provided products or services to at any time during the thirty-six (36) months preceding the last day of the Executive’s
employment with Hudson and whose identity as a Hudson customer Executive learned from Confidential Information at any time.

 

E.                
Executive acknowledges that the nature of Hudson’s business is such that provides its products and services to customers
throughout the United States of America and Puerto Rico. Accordingly, the “Restricted Territory” includes each and
every state of the United States of America (including the District of Columbia) and Puerto Rico.

 

    11 

     

    

 

F.                 
In order to assure Hudson of the full twelve (12) months of the Covenant Period within which to protect its goodwill and to prevent
Executive from unfairly benefiting by violations of this paragraph “5”, the provisions and requirements of this paragraph
“5” shall be extended for a period of time beyond the Covenant Period equal in length to the total length of time during
which Executive is in violation of any one or more provisions of this paragraph.

 

G.                
In the event it is determined by a court of competent jurisdiction that any provision or portion of a provision of this paragraph
“5” is not enforceable under the law governing this Agreement, the unenforceable provision or portion thereof may be
stricken, and the remainder of the provision and of this paragraph “5” shall be valid and fully enforceable, in all
respects, as if the provision or portion of a provision deemed unenforceable had never been a part of the Agreement. Further, if
any provision of this Agreement is found to be overbroad or unenforceable, the court or any other authority with competent jurisdiction
is expressly authorized to conform the provision to the extent necessary to remedy any deficiency and render it valid and enforceable.

 

		6.	     REMEDIES:

 

A.               
In the event that the Executive breaches any term or provision of paragraphs “4” or “5” of this Agreement,
Hudson shall be immediately, permanently and irreparably damaged and shall be entitled, in addition to and without limiting Hudson’s
rights to, any and all other legal and equitable remedies and damages, (i) to a temporary restraining order ex parte, to a preliminary
injunction, and to a permanent injunction, to restrain Executive’s actions or the actions of others acting in conjunction
with Executive or on Executive’s behalf, (ii) to terminate all future Severance Benefits through the remainder of the Severance
Period, and (iii) to recover from Executive all Severance Benefits actually paid to the Executive, including any costs or expenses
actually incurred by Hudson in providing such Severance Benefits. Executive agrees that Executive will not be damaged by enforcement
of this covenant as Executive can obtain many other types of gainful employment without violating the provisions of paragraphs
“4” or “5”, so that no bond shall be required, and if the court requires a bond to be posted, it shall
not exceed $500.00.

 

B.                
All of Executive’s covenants and obligations under paragraphs “4” and “5” of this Agreement shall
survive, and shall remain enforceable, for so long as Executive is employed and after termination of employment for any reason,
and shall survive despite future promotions, raises, changes in position or compensation, demotions and the execution of new agreements
with Hudson, and shall inure to the benefit of Hudson’s successors and assigns, unless Hudson executes in writing an agreement
expressly terminating the covenants of paragraphs “4” and “5” of this Agreement.

 

C.                
Hudson and Executive shall each bear and be responsible for their own attorneys’ fees, expenses and disbursements incurred
in any litigation brought by either party to enforce or interpret any provision contained in paragraphs “4” or “5”
of this Agreement.

 

7.                  NOTICES:  All notices required or permitted to be given under this Agreement shall be sufficient if in writing and if sent by certified
mail, return receipt requested, to the Executive at his residence, and to Hudson at its principal office located at P.O. Box 1541,
One Blue Hill Plaza, Pearl River, New York 10965, attention Chief Executive Officer, or at such other address as any party specifies
by giving proper notice.

 

    12 

     

    

 

8.                 
SUCCESSORS:  This Agreement shall be binding upon and shall inure to the benefit of the Executive and his estate. Neither
this Agreement nor any rights hereunder shall be assignable by the Executive.

 

This Agreement shall
be freely assignable by Hudson to, and shall inure to the benefit of, and be binding upon, any successor corporation or affiliate
of a successor corporation, and all references in this Agreement to Hudson shall include its subsidiaries and affiliates and any
successors, affiliates of successors or assigns of Hudson. As used herein, the term “successor” shall mean any person,
firm, corporation or business entity or affiliate thereof which at any time, whether by merger, purchase, or otherwise, directly
or indirectly acquires all or substantially all of the assets or the business of Hudson, including any entity that shall be the
surviving corporation in a merger with Hudson.

 

9.                 
EMPLOYMENT AT WILL; CONSEQUENCES OF TERMINATION: Nothing herein shall be deemed to create an agreement for employment of
Executive for any specified term or period of time. Hudson expressly agrees that at any time the Executive may resign or otherwise
terminate his or her employment with Hudson, for any reason or for no reason, subject to the provisions contained herein. Likewise,
the Executive expressly agrees that at any time Hudson may terminate the employment of the Executive for any reason or for no reason,
subject to the provisions contained herein.

 

10.             
INDEMNIFICATION: In the event that any litigation shall be brought to enforce or interpret any provision contained in
paragraphs “1”, “2”, or “3” of this Agreement, then, provided that the Executive prevails to
any extent, Hudson or any successor corporation shall reimburse or indemnify the Executive for the Executive’s reasonable
attorneys’ fees, expenses and disbursements incurred in such litigation, including the costs of enforcement.

 

11.             
CONTROLLING LAW: This Agreement and all other issues regarding the employment of the Executive shall be governed by the
laws of the State of New York, without reference to its conflicts of law principles.

 

12.             
ENTIRE AGREEMENT: This Agreement represents the entire agreement and understanding of the parties regarding the employment
of the Executive, and all prior or contemporaneous agreements, representations, or understandings are expressly superseded by,
and do not survive this Agreement. Executive has not relied upon any inducement, promise, representation, or assurance, other than
those expressly set out herein. Except as expressly permitted herein, this Agreement may not be modified or amended except in writing
signed by all parties hereto.

 

13.             
WAIVER: The waiver of any breach of any provision of this Agreement by either party shall not operate or be construed as
a subsequent waiver by either party of any term or condition of this Agreement.

 

    13 

     

    

 

14.             
HEADINGS: The headings in this Agreement are inserted for convenience of reference only and shall not affect the meaning
or interpretation of this Agreement.

 

15.             
SEVERABILITY: The parties intend and agree that each covenant and condition contained in this Agreement shall be a separate
and distinct covenant. If any provision of this Agreement is found to be invalid, illegal, or unenforceable, the remaining provisions
shall not be affected.

 

		16.	     COMPLIANCE WITH CODE SECTION 409A:

 

A.                It
is the intention of Hudson and the Executive that the payments, benefits and rights to which the Executive could be entitled pursuant
to this Agreement comply with Code Section 409A, the Treasury regulations and other guidance promulgated or issued thereunder (collectively
for purposes of this paragraph 16, “Section 409A”), to the extent that the requirements of Section 409A are applicable
thereto, and after application of all available exemptions, including but not limited to, the “short-term deferral rule”
and “involuntary separation pay plan exception” and the provisions of this Agreement shall be construed in a manner
consistent with that intention. If any provision of this Agreement (or of any award of compensation, including equity compensation
or benefits) would cause the Executive to incur any additional tax or interest under Section 409A, Hudson shall, upon the specific
request of the Executive, use its reasonable business efforts to in good faith reform such provision to comply with Section 409A;
provided, that to the maximum extent practicable, the original intent and economic benefit to the Executive and Hudson of the applicable
provision shall be maintained, but Hudson shall have no obligation to make any changes that could create any additional economic
cost or loss of benefit to Hudson. Hudson shall not have any liability to the Executive with respect to tax obligations that result
from the application of Section 409A and makes no representation with respect to the tax treatment of the payments and/or benefits
provided under this Agreement. Any provision required for compliance with Section 409A that is omitted from this Agreement shall
be incorporated herein by reference and shall apply retroactively, if necessary, and be deemed a part of this Agreement to the
same extent as though expressly set forth herein.

 

B.                 With
regard to any provision herein that provides for reimbursement of costs and expenses or in-kind benefits, except as permitted by
Section 409A, (i) the right to reimbursement or in-kind benefits is not subject to liquidation or exchange for another benefit,
(ii) the amount of expenses eligible for reimbursement, or in-kind benefits, provided during any taxable year shall not affect
the expense eligible for reimbursement, or in-kind benefits to be provided, in any other taxable year, provided that the foregoing
clause (ii) shall not be violated with regard to expenses reimbursed under any arrangement covered by Code Section 105(b) solely
because such expenses are subject to a limit related to the period the arrangement is in effect and (iii) such payments shall be
made on or before the last day of the Executive's taxable year following the taxable year in which the expense was incurred.

 

C.                 
For purposes of applying the provisions of Section 409A to this Agreement, each separately identified amount to which the Executive
is entitled under this Agreement shall be treated as a separate payment within the meaning of Section 409A. In addition, to the
extent permissible under Section 409A, any series of installment payments under this Agreement shall be treated as a right to a
series of separate payments.

 

    14 

     

    

 

D.                
Neither Hudson nor the Executive, individually or in combination, may accelerate any payment or benefit that is subject to Section
409A, except in compliance with Section 409A and the provisions of this Agreement, and no amount that is subject to Section 409A
shall be paid prior to the earliest date on which it may be paid without violating Section 409A. If the consideration period (or
revocation period, if applicable) for any general release and waiver extends across two (2) calendar years, the payments to the
Executive shall begin in the second of the calendar years.

 

E.                
If and to the extent required to comply with Section 409A, a Termination of Employment, as defined above, shall not be deemed to
have occurred for purposes of this Agreement providing for the payment of any amounts or benefits upon or following a Termination
of Employment unless such termination is also a “Separation from Service” within the meaning of Section 409A and, for
purposes of any provision of this Agreement, references to Termination of Employment, “termination,” “termination
of employment” or like terms shall mean “Separation from Service.”

 

F.                 
If the Executive is deemed on the date of termination of his employment to be a “specified employee,” within the meaning
of that term under Section 409A(a)(2)(B) and using the identification methodology selected by Hudson from time to time, or if none,
the default methodology under Section 409A, then with regard to any payment or the providing of any benefit subject to this Agreement
and to the extent required to be delayed in compliance with Section 409A(a)(2)(B), and any other payment or the provision of any
other benefit that is required to be delayed in compliance with Section 409A(a)(2)(B), such payment or benefit shall not be made
or provided prior to the earlier of (i) the expiration of the six-month period measured from the date of the Executive’s
Separation from Service or (ii) the date of the Executive’s death. In this regard, it is the intention and understanding
of Hudson and the Executive that payments made following a Termination of Employment under paragraph “1” shall be exempt
under the “short-term deferral rule” and “involuntary separation pay plan exception”, and other applicable
exceptions, from the requirements of Section 409A(a)(2)(B) and are not required and shall not be delayed. Absent such exception,
on the first day of the seventh month following the date of Executive’s Separation from Service or, if earlier, on the date
of his death, all payments delayed pursuant to this paragraph “16.F.” (whether they would have otherwise been payable
in a single sum or in installments in the absence of such delay) shall be paid or reimbursed to the Executive in a lump sum, and
any remaining payments and benefits due under this Agreement shall be paid or provided in accordance with the normal payment dates
specified for them herein. The determination of whether the Executive is a “specified employee” shall be made by Hudson
in good faith applying Section 409A.

 

    15 

     

    

 

IN WITNESS
THEREOF, the parties have executed this agreement as of the date written above.

 

	 	 	Hudson Technologies, Inc.
	 	 	 
	 	 	 
	 	 	By:	/s/ Brian
    F. Coleman
	 	 	 
	 	 	 
	 	 	Hudson Technologies Company
	 	 	 
	 	 	 
	 	 	By:	/s/ Brian
    F. Coleman
	 	 	 
	 	 	 
	 	 	Aspen Refrigerants, Inc.
	 	 	 
	 	 	By:	/s/ Brian
    F. Coleman
	 	 	 
	 	 	 
	 	 	/s/ Nat Krishnamurti
	 	 	Nat Krishnamurti

 

    16

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