Document:

THIS COMMON STOCK
PURCHASE WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE HEREOF HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE TRANSFERRED IN VIOLATION OF SUCH ACT, THE RULES AND REGULATIONS
THEREUNDER OR THE PROVISIONS OF THIS COMMON STOCK PURCHASE WARRANT.

Warrant No. W13-__

COMMON STOCK PURCHASE WARRANT

To Purchase Common Stock of

ThermoEnergy
Corporation

This
Is To Certify That _________________________, or its registered assigns, is entitled, at any time from the Closing
Date (as hereinafter defined) to the Expiration Date (as hereinafter defined), to purchase, in whole or in part, from ThermoEnergy
Corporation, a Delaware corporation (the “Company”), at a purchase price of $0.114 per share (subject to adjustment
as hereinafter provided, the “Exercise Price”) up to ____________ shares (subject to adjustment
as hereinafter provided) of Common Stock (as hereinafter defined), all on the terms and conditions and pursuant to the provisions
hereinafter set forth.

		1.	DEFINITIONS

Any
terms used but not defined herein shall have the meaning ascribed to them in the Purchase Agreements. As used in this
Common Stock Purchase Warrant (this “Warrant”), the following terms shall have the respective meanings set forth
below:

“Business
Day” shall mean any day that is not a Saturday or Sunday or a day on which banks in New York City, New York are required
or permitted to be closed in the City of New York.

“Closing
Date” shall mean April 5, 2013.

“Commission”
shall mean the Securities and Exchange Commission or any other federal agency then administering the Securities Act and other federal
securities laws.

“Common Stock”
shall mean (except where the context otherwise indicates) the Common Stock, par value $0.001 per share, of the Company as constituted
on the Closing Date, and any capital stock into which such Common Stock may thereafter be changed, and shall also include (i) capital
stock of the Company of any other class (regardless of how denominated) issued to the holders of shares of Common Stock upon any
reclassification thereof which is also not preferred as to dividends or assets over any other class of stock of the Company and
which is not subject to redemption and (ii) shares of common stock of any successor or acquiring corporation received by or distributed
to the holders of Common Stock of the Company in the circumstances contemplated by Section 4.4.

“Convertible
Securities” shall mean evidences of indebtedness, shares of stock or other securities which are convertible into or exchangeable,
with or without payment of additional consideration in cash or property, for shares of Common Stock, either immediately or upon
the occurrence of a specified date or a specified event.

 

    	 

    	 

    

“Exercise
Period” shall mean the period during which this Warrant is exercisable pursuant to Section 2.1.

“Expiration
Date” shall mean the fifth anniversary of the Closing Date.

“Fundamental
Corporate Change” shall have the meaning set forth in Section 4.4.

“Holder”
shall mean the Person in whose name the Warrant is registered on the books of the Company maintained for such purpose.

“Market Price”
shall mean, on any date of determination, (i) the closing price of a share of Common Stock on such day as reported on the principal
Trading Market on which the Common Stock is listed or traded, or (ii) if the Common Stock is not listed on a Trading Market, the
closing bid price for a share of Common Stock on such day in the over-the-counter market, as reported by the OTC Bulletin Board,
or (iii) if the Common Stock is not then listed or quoted on the OTC Bulletin Board, the closing
bid price for a share of Common Stock on such day in the over-the-counter market as reported by the National Quotation Bureau Incorporated
(or any similar organization or agency succeeding to its functions of reporting prices).

“Other Property”
shall have the meaning set forth in Section 4.4.

“Person”
shall mean any individual, sole proprietorship, partnership, joint venture, trust, incorporated organization, association, corporation,
institution, public benefit corporation, entity or government (whether federal, state, county, city, municipal or otherwise, including,
without limitation, any instrumentality, division, agency, body or department thereof).

“Securities
Act” shall mean the Securities Act of 1933, as amended, or any successor federal statute, and the rules and regulations
of the Commission thereunder, all as the same shall be in effect at the time.

“Trading
Day” means (i) a day on which the Common Stock is traded on a Trading Market, or (ii) if the Common Stock is not listed
on a Trading Market, a day on which the Common Stock is traded in the over-the-counter market, as reported by the OTC Bulletin
Board, or (iii) if the Common Stock is not then quoted on the OTC Bulletin Board, a day on which
the Common Stock is quoted in the over-the-counter market as reported by the National Quotation Bureau Incorporated (or any similar
organization or agency succeeding to its functions of reporting prices); provided, that in the event that the Common Stock
is not listed or quoted as set forth in (i), (ii) and (iii) hereof, then the term “Trading Day” shall mean a Business
Day.

 

“Trading Market”
means whichever of the New York Stock Exchange, the American Stock Exchange, the Nasdaq Stock Market, the Nasdaq Bulletin Board
or such other market on which the Common Stock is listed or quoted for trading on the date in question.

“Transfer”
shall mean any disposition of any Warrant or Warrant Shares or of any interest in either thereof, which would constitute a sale
thereof within the meaning of the Securities Act.

“Warrant
Shares” shall mean the shares of Common Stock issued or issuable to the Holders of the Warrants upon the exercise thereof.

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“Warrants”
shall mean (i) this Warrant. (ii) the several warrants issued as part of the series of which the Warrant is one, and (iii) all
warrants issued upon transfer, division or combination of, or in substitution for, any thereof. All Warrants shall at all times
be identical as to terms and conditions and date, except as to the number of shares of Common Stock for which they may be exercised.

		2.	EXERCISE OF WARRANT

		2.1	Manner of Exercise

From and after the
Closing Date and until 6:00 p.m., New York time, on the Expiration Date, the Holder may exercise this Warrant, on any Trading Day,
for all or any part of the number of shares of Common Stock purchasable hereunder.

In order to exercise
this Warrant, in whole or in part, the Holder shall surrender this Warrant to the Company at 10 New Bond Street, Worcester, Massachusetts
01606, or at the office or agency designated by the Company pursuant to Section 12, together with a written notice of the Holder’s
election to exercise this Warrant, which notice shall specify the number of shares of Common Stock to be purchased, and shall be
accompanied by payment of the Exercise Price in cash or wire transfer or cashier’s check drawn on a United States bank; provided,
however, that if, on the date of such notice, all of the Warrant Shares
are not eligible for resale to the public pursuant to a Registration Statement filed with the Commission and declared effective
pursuant to the Securities Act, then at the option of the Holder the Exercise Price may be paid by written direction to the Company
to cancel a portion of this Warrant sufficient to satisfy the “cashless exercise” provisions of this Section 2.1.
Such notice shall be substantially in the form of the subscription form appearing at the end of this Warrant as Exhibit A, duly
executed by the Holder or its agent or attorney. Upon receipt of the items referred to above, the Company shall, as promptly as
practicable, and in any event within three Business Days thereafter, execute or cause to be executed and deliver or cause to be
delivered to the Holder a certificate or certificates representing the aggregate number of full shares of Common Stock issuable
upon such exercise, together with cash in lieu of any fraction of a share, as hereinafter provided. The stock certificate or certificates
so delivered shall be, to the extent possible, in such denomination or denominations as the Holder shall request in the notice
and shall be registered in the name of the Holder or, subject to Section 9, such other name as shall be designated in the notice.
This Warrant shall be deemed to have been exercised and such certificate or certificates shall be deemed to have been issued, and
the Holder or any other Person so designated to be named therein shall be deemed to have become the holder of record of such shares
for all purposes, as of the date the notice, together with the cash or check or wire transfer of funds (or
direction to cancel a portion of this Warrant pursuant to the “cashless exercise” provisions) and this Warrant
is received by the Company as described above and all taxes required to be paid by the Holder, if any, pursuant to Section 2.2
prior to the issuance of such shares have been paid. If this Warrant shall have been exercised in part, the Company shall, at the
time of delivery of the certificate or certificates representing Warrant Shares, deliver to the Holder a new Warrant evidencing
the rights of the Holder to purchase the unpurchased shares of Common Stock called for by this Warrant, which new Warrant shall
in all other respects be identical with this Warrant, or, at the request of the Holder, appropriate notation may be made on this
Warrant and the same returned to the Holder. Notwithstanding any provision herein to the contrary, the Company shall not be required
to register shares in the name of any Person who acquired this Warrant (or part hereof) or any Warrant Shares otherwise than in
accordance with this Warrant. 

In lieu of payment
of the Exercise Price in cash, the Holder may direct the Company to cancel a portion of this Warrant having a value equal to the
Exercise Price for the number of Warrant Shares as to which the Holder exercises this Warrant, determined by multiplying the number
of Warrant Shares as to which this Warrant is directed to be cancelled by an amount equal to the difference between (i) the Market
Price on the date of exercise and (ii) the Exercise Price then in effect. Payment by such cancellation is referred to herein as
“cashless exercise.”

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		2.2	Payment of Taxes and Charges

All shares of Common
Stock issuable upon the exercise of this Warrant pursuant to the terms hereof shall be validly issued, fully paid and nonassessable,
freely tradable and without any preemptive rights. The Company shall pay all expenses in connection with, and all taxes and other
governmental charges that may be imposed with respect to, the issuance or delivery thereof, unless such tax or charge is a tax
on income imposed by law upon the Holder, in which case such taxes or charges shall be paid by the Holder.

		2.3	Fractional Shares

The Company shall
not be required to issue a fractional share of Common Stock upon exercise of any Warrant. As to any fraction of a share which the
Holder would otherwise be entitled to purchase upon such exercise, the Company shall pay a cash adjustment in respect of such fraction
in an amount equal to the same fraction of the Market Price per share of Common Stock as of the date of exercise of the Warrant
giving rise to such fraction of a share.

		3.	TRANSFER, DIVISION AND COMBINATION

		3.1	Transfer

Subject to compliance
with Section 9, transfer of this Warrant and all rights hereunder, in whole or in part, shall be registered on the books of the
Company to be maintained for such purpose, upon surrender of this Warrant at the principal office of the Company referred to in
Section 2.1 or the office or agency designated by the Company pursuant to Section 12, together with a written assignment of this
Warrant substantially in the form of Exhibit B hereto duly executed by the Holder or its agent or attorney and funds sufficient
to pay any transfer taxes payable upon the making of such transfer. Upon such surrender and, if required, such payment, the Company
shall, subject to Section 9, execute and deliver a new Warrant or Warrants in the name of the assignee or assignees and in the
denomination specified in such instrument of assignment, and shall issue to the assignor a new Warrant evidencing the portion of
this Warrant not so assigned, and this Warrant shall promptly be canceled. A Warrant, if properly assigned in compliance with Section
9, may be exercised by a new Holder for the purchase of shares of Common Stock without having a new warrant issued.

		3.2	Division and Combination

Subject to Section
9, this Warrant may be divided or combined with other Warrants upon presentation hereof at the aforesaid office or agency of the
Company, together with a written notice specifying the names and denominations in which new Warrants are to be issued, signed by
the Holder or its agent or attorney. Subject to compliance with Sections 3.1 and 9, as to any transfer which may be involved in
such division or combination, the Company shall execute and deliver a new Warrant or Warrants in exchange for the Warrant or Warrants
to be divided or combined in accordance with such notice.

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		3.3	Expenses

The Company shall
prepare, issue and deliver at its own expense (other than transfer taxes) the new Warrant or Warrants under this Section 3.

		3.4	Maintenance of Books

The Company agrees
to maintain, at its aforesaid office or agency, books for the registration and the registration of transfers of the Warrants.

		4.	ADJUSTMENTS

The number of shares
of Common Stock for which this Warrant is exercisable, or the price at which such shares may be purchased upon exercise of this
Warrant, shall be subject to adjustment from time to time as set forth in this Section 4. The Company shall give the Holder notice
of any event described below which requires an adjustment pursuant to this Section 4 at the time of such event.

		4.1	Stock Dividends, Subdivisions and Combinations

If at any time the
Company shall:

		(a)	declare or pay to the holders of its Common Stock a dividend payable
in, or other distribution of, shares of Common Stock or in Convertible Securities;

		(b)	subdivide its outstanding shares of Common Stock into a larger number
of shares of Common Stock; or

 

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		(c)	combine its outstanding shares of Common Stock into a smaller number
of shares of Common Stock;

then (i) the number of shares of Common
Stock for which this Warrant is exercisable immediately after the occurrence of any such event shall be adjusted to equal the number
of shares of Common Stock which a record holder of the same number of shares of Common Stock for which this Warrant is exercisable
immediately prior to the occurrence of such event would own or be entitled to receive after the occurrence of such event, and (ii)
the then-current Exercise Price shall be adjusted to equal (A) the then-current Exercise Price multiplied by the number of shares
of Common Stock for which this Warrant is exercisable immediately prior to the adjustment divided by (B) the number of shares for
which this Warrant is exercisable immediately after such adjustment.

		4.2	Certain Other Distributions

If at any time the
Company shall declare or pay to the holders of its Common Stock any dividend or other distribution of:

		(a)	cash;

		(b)	any evidences of its indebtedness, any shares of its stock or any
other securities or property of any nature whatsoever (other than cash, Convertible Securities or additional shares of Common Stock);
or

		(c)	any warrants or other rights to subscribe for or purchase any evidences
of its indebtedness, any shares of its stock or any other securities or property of any nature whatsoever (other than cash, Convertible
Securities or additional shares of Common Stock);

then, upon exercise of this Warrant,
the Holder shall be entitled to receive such dividend or distribution as if the Holder had exercised this Warrant prior to the
date of such dividend or distribution. A reclassification of the Common Stock (other than a change in par value, or from par value
to no par value or from no par value to par value) into shares of Common Stock and shares of any other class of stock shall be
deemed a distribution by the Company to the holders of its Common Stock of such shares of such other class of stock within the
meaning of this Section 4.2 and, if the outstanding shares of Common Stock shall be changed into a larger or smaller number of
shares of Common Stock as a part of such reclassification, such change shall be deemed a subdivision or combination, as the case
may be, of the outstanding shares of Common Stock within the meaning of Section 4.1.

		4.3	Other Provisions Applicable to Adjustments under this Section

The following provisions
shall be applicable to the making of adjustments of the number of shares of Common Stock for which this Warrant is exercisable
and the current Exercise Price provided for in this Section 4:

		(a)	When Adjustments to be Made. The adjustments required by this
Section 4 shall be made whenever and as often as any specified event requiring an adjustment shall occur. For the purpose of any
adjustment, any specified event shall be deemed to have occurred at the close of business on the date of its occurrence.

		(b)	Fractional Interests. In computing adjustments under this
Section 4, fractional interests in Common Stock shall be taken into account to the nearest 1/10th of a share.

		(c)	When Adjustment not Required. If the Company shall take a
record of the holders of its Common Stock for the purpose of entitling them to receive a dividend or distribution or subscription
or purchase rights and shall, thereafter and before the distribution to the holders thereof, legally abandon its plan to pay or
deliver such dividend, distribution, subscription or purchase rights, then thereafter no adjustment shall be required by reason
of the taking of such record and any such adjustment previously made in respect thereof shall be rescinded and annulled.

		(d)	Challenge to Good Faith Determination. Whenever the Board
of Directors of the Company shall be required to make a determination in good faith of the fair value of any item under this Section
4, such determination may be challenged in good faith by the Holder, and any dispute shall be resolved by an investment banking
firm of recognized national standing selected by the Company and acceptable to the Holder. The fees and expenses of such investment
banking firm shall be paid by the Company.

 

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		4.4	Reorganization, Reclassification, Merger, Consolidation or Disposition of Assets

In case the Company
shall reorganize its capital, reclassify its capital stock, consolidate or merge with or into another Person (where the Company
is not the survivor or where there is a change in or distribution with respect to the Common Stock of the Company), or sell, convey,
transfer or otherwise dispose of all or substantially all its property, assets or business to another Person, or effectuate a transaction
or series of related transactions in which more than 50% of the voting power of the Company is disposed of (each, a “Fundamental
Corporate Change”) and, pursuant to the terms of such Fundamental Corporate Change, shares of common stock of the successor
or acquiring corporation, or any cash, shares of stock or other securities or property of any nature whatsoever (including warrants
or other subscription or purchase rights) in addition to or in lieu of common stock of the successor or acquiring corporation (“Other
Property”), are to be received by or distributed to the holders of Common Stock of the Company, then the Holder shall
have the right thereafter to receive, upon exercise of the Warrant, such number of shares of common stock of the successor or acquiring
corporation or of the Company, if it is the surviving corporation, and Other Property as is receivable upon or as a result of
such Fundamental Corporate Change by a holder of the number of shares of Common Stock for which this Warrant is exercisable
immediately prior to such Fundamental Corporate Change. In case of any such Fundamental Corporate Change, the successor or acquiring
corporation (if other than the Company) shall expressly assume the due and punctual observance and performance of each and every
covenant and condition of this Warrant to be performed and observed by the Company and all the obligations and liabilities hereunder,
subject to such modifications as may be deemed appropriate (as determined by resolution of the Board of Directors of the Company)
in order to provide for adjustments of shares of Common Stock for which this Warrant is exercisable which shall be as nearly equivalent
as practicable to the adjustments provided for in this Section 4. For purposes of this Section 4.5, “common stock of the
successor or acquiring corporation” shall include stock of such corporation of any class which is not preferred as to
dividends or assets over any other class of stock of such corporation and which is not subject to redemption and shall also include
any evidences of indebtedness, shares of stock or other securities which are convertible into or exchangeable for any such stock,
either immediately or upon a specified date or upon the happening of a specified event, and any warrants or other rights to subscribe
for or purchase any such stock. The foregoing provisions of this Section 4.4 shall similarly apply to any successive Fundamental
Corporate Change of the successor corporation.

		4.5	Other Action Affecting Common Stock

In case at any time
or from time to time the Company shall take any action in respect of its Common Stock, other than any action described in this
Section 4, which would have a materially adverse effect upon the rights of the Holder, the number of shares of Common Stock and/or
the purchase price thereof shall be adjusted in such manner as may be equitable in the circumstances, as determined in good faith
by the Board of Directors of the Company.

		4.6	Certain Limitations

Notwithstanding anything
herein to the contrary, the Company agrees not to enter into any transaction which, by reason of any adjustment hereunder, would
cause the Exercise Price to be less than the par value per share of Common Stock.

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		5.	NOTICES TO THE HOLDER

		5.1	Notice of Adjustments

Whenever the number
of shares of Common Stock for which this Warrant is exercisable, or whenever the price at which a share of such Common Stock may
be purchased upon exercise of the Warrants, shall be adjusted pursuant to Section 4, the Company shall forthwith prepare a certificate
to be executed by the chief financial officer of the Company setting forth, in reasonable detail, the event requiring the adjustment
and the method by which such adjustment was calculated (including a description of the basis on which the Board of Directors of
the Company determined the fair value of any evidences of indebtedness, shares of stock, other securities or property or warrants
or other subscription or purchase rights referred to in Section 4.2), specifying the number of shares of Common Stock for which
this Warrant is exercisable and (if such adjustment was made pursuant to Section 4.2 or 4.5) describing the number and kind of
any other shares of stock or Other Property for which this Warrant is exercisable, and any change in the purchase price or prices
thereof, after giving effect to such adjustment or change. The Company shall promptly cause a signed copy of such certificate to
be delivered to the Holder in accordance with Section 14.2. The Company shall keep, along with the transfer register maintained
in accordance with Section 3.4, copies of all such certificates and cause the same to be available for inspection at said office
during normal business hours by the Holder or any prospective purchaser of a Warrant designated by the Holder.

		5.2	Notice of Corporate Action

If at any time:

		(a)	the Company shall take a record of the holders of its Common Stock
for the purpose of entitling them to receive a dividend or other distribution, or any right to subscribe for or purchase any evidences
of its indebtedness, any shares of stock of any class or any other securities or property, or to receive any other right; or

		(b)	there shall be any capital reorganization of the Company, any reclassification
or recapitalization of the capital stock of the Company or any consolidation or merger of the Company with, or any sale, transfer
or other disposition of all or substantially all the property, assets or business of the Company to, another corporation; or

		(c)	there shall be a voluntary or involuntary dissolution, liquidation
or winding up of the Company;

then, in any one or more of such cases,
the Company shall give to Holder (i) at least 10 days’ prior written notice of the date on which a record date shall be selected
for such dividend, distribution or right or for determining rights to vote in respect of any such reorganization, reclassification,
merger, consolidation, sale, transfer, disposition, dissolution, liquidation or winding up, and (ii) in the case of any such reorganization,
reclassification, merger, consolidation, sale, transfer, disposition, dissolution, liquidation or winding up, at least 10 days’
prior written notice of the date when the same shall take place. Such notice in accordance with the foregoing clause also shall
specify (i) the date on which any such record is to be taken for the purpose of such dividend, distribution or right, the date
on which the holders of Common Stock shall be entitled to any such dividend, distribution or right, and the amount and character
thereof, and (ii) the date on which any such reorganization, reclassification, merger, consolidation, sale, transfer, disposition,
dissolution, liquidation or winding up is to take place and the time, if any such time is to be fixed, as of which the holders
of Common Stock shall be entitled to exchange their shares of Common Stock for securities or other property deliverable upon such
reorganization, reclassification, merger, consolidation, sale, transfer, disposition, dissolution, liquidation or winding up. Each
such written notice shall be sufficiently given if addressed to the Holder at the last address of the Holder appearing on the books
of the Company and delivered in accordance with Section 14.2.

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		6.	NO IMPAIRMENT

The Company shall
not by any action, including, without limitation, amending its articles of incorporation or through any reorganization, transfer
of assets, consolidation, merger, dissolution, issuance or sale of securities or other voluntary action, avoid or seek to avoid
the observance or performance of any of the terms of this Warrant, but will at all times in good faith assist in the carrying out
of all such terms and in the taking of all such actions as may be necessary or appropriate to protect the rights of the Holder
against impairment. Without limiting the generality of the foregoing, the Company will (a) not increase the par value of any shares
of Common Stock receivable upon the exercise of this Warrant above the amount payable therefor upon such exercise immediately prior
to such increase in par value, (b) take all such action as may be necessary or appropriate in order that the Company may validly
and legally issue fully paid and nonassessable shares of Common Stock upon the exercise of this Warrant, and (c) use its best efforts
to obtain all such authorizations, exemptions or consents from any public regulatory body having jurisdiction thereof as may be
necessary to enable the Company to perform its obligations under this Warrant.

Upon the request of
the Holder, the Company will at any time during the period this Warrant is outstanding acknowledge in writing, in form satisfactory
to the Holder, the continuing validity of this Warrant and the obligations of the Company hereunder.

		7.	RESERVATION AND AUTHORIZATION OF WARRANT SHARES

From and after the
Closing Date, the Company shall at all times reserve and keep available for issuance upon the exercise of Warrants such number
of its authorized but unissued shares of Common Stock as will be sufficient to permit the exercise in full of all outstanding Warrants.
All shares of Common Stock which shall be so issuable, when issued upon exercise of any Warrant and payment therefor in accordance
with the terms of such Warrant, shall be duly and validly issued and fully paid and nonassessable and not subject to preemptive
rights.

Before taking any
action which would cause an adjustment reducing the then-current Exercise Price below the then par value, if any, of the shares
of Common Stock issuable upon exercise of the Warrants, the Company shall take any corporate action which may be necessary in order
that the Company may validly and legally issue fully paid and nonassessable shares of such Common Stock at such adjusted Exercise
Price.

Before taking any
action which would result in an adjustment in the number of shares of Common Stock for which this Warrant is exercisable or in
the then-current Exercise Price, the Company shall obtain all such authorizations or exemptions thereof, or consents thereto, as
may be necessary from any public regulatory body or bodies having jurisdiction thereof.

		8.	TAKING OF RECORD; STOCK AND WARRANT TRANSFER BOOKS

In the case of all
dividends or other distributions by the Company to the holders of its Common Stock with respect to which any provision of Section
4 refers to the taking of record of such holders, the Company will in each case take such a record and will take such record as
of the close of business on a Business Day. The Company will not at any time, except upon dissolution, liquidation or winding up
of the Company, close its stock transfer books or Warrant transfer books so as to result in preventing or delaying the exercise
or transfer of any Warrant.

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		9.	RESTRICTIONS ON TRANSFERABILITY

The Warrants and the
Warrant Shares shall not be transferred, hypothecated or assigned before satisfaction of the conditions specified in the legend
affixed to the first page of this Warrant, which conditions are intended, in part, to ensure compliance with the provisions of
the Securities Act with respect to the Transfer of any Warrant or any Warrant Shares. The Holder, by acceptance of this Warrant,
agrees to be bound by the provisions of this Section 9.

		10.	SUPPLYING INFORMATION

The Company shall
cooperate with the Holder in supplying such information as may be reasonably necessary for the Holder to complete and file any
information reporting forms presently or hereafter required by the Commission as a condition to the availability of an exemption
from registration requirements of the Securities Act for the resale of any Warrant or Warrant Shares.

		11.	LOSS OR MUTILATION

Upon receipt by the
Company from the Holder of evidence reasonably satisfactory to it of the ownership of and the loss, theft, destruction or mutilation
of this Warrant and indemnity reasonably satisfactory to it (it being understood that the written agreement of the Holder shall
be sufficient indemnity), and in case of mutilation upon surrender and cancellation hereof, the Company will execute and deliver
in lieu hereof a new Warrant of like tenor to the Holder; provided, in the case of mutilation no indemnity shall be required
if this Warrant in identifiable form is surrendered to the Company for cancellation.

		12.	OFFICE OF THE COMPANY

As long as any of
the Warrants remain outstanding, the Company shall maintain an office or agency (which may be the principal executive offices of
the Company) where the Warrants may be presented for exercise, registration of transfer, division or combination as provided in
this Warrant.

		13.	LIMITATION OF LIABILITY

No provision hereof,
in the absence of affirmative action by the Holder to purchase shares of Common Stock, and no enumeration herein of the rights
or privileges of the Holder hereof, shall give rise to any liability of the Holder for the purchase price of any Common Stock or
as a stockholder of the Company, whether such liability is asserted by the Company or by creditors of the Company. Nothing in the
foregoing shall be construed in any manner to limit or deny the liability of a Holder in any other capacity, including, without
limitation, as a director of the Company.

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		14.	MISCELLANEOUS

		14.1	Nonwaiver and Expenses

No course of dealing
or any delay or failure to exercise any right hereunder on the part of the Holder shall operate as a waiver of such right or otherwise
prejudice the Holder’s rights, powers or remedies. If the Company fails to make, when due, any payments provided for hereunder,
or fails to comply with any other provision of this Warrant, the Company shall pay to the Holder such amounts as shall be sufficient
to cover any costs and expenses including, without limitation, reasonable attorneys’ fees, including those of appellate proceedings,
incurred by the Holder in collecting any amounts due pursuant hereto or in otherwise enforcing any of its rights, powers or remedies
hereunder.

		14.2	Notice Generally

 

Except as may be otherwise provided herein, any
and all notices or other communications or deliveries required or permitted to be provided hereunder shall be in writing and shall
be deemed given and effective on the earliest of (a) the date of transmission, if such notice or communication is delivered via
e-mail, facsimile or other means of electronic communication prior to 6:00 p.m. (New York City time) on a Trading Day (provided
the sender sends a copy of such notice or communication to the recipient by a nationally recognized overnight courier service no
later than the Trading Day immediately following the date of transmission), (b) the next Trading Day , if such notice or communication
is delivered via e-mail, facsimile or other means of electronic communication on a day that is not a Trading Day or later than
6:00 p.m. (New York City time) on a Trading Day (provided the sender sends a copy of such notice or communication to the recipient
by a nationally recognized overnight courier service no later than the Trading Day immediately following the date of transmission),
(c) the next Trading Day if sent by a nationally recognized overnight courier service, (d) the third Business Day after mailing
if sent by U.S. Mail, or (e) upon actual receipt. The address for such notices and communications shall be (i) in the case of the
Company, 10 New Bond Street, Worcester, Massachusetts 01606, fax: (508) 854-1753,

e-mail: Cary.Bullock@thermoenergy.com and (ii) in the case of the
Holder, the Holder’s last business or residential address shown on the records of the Company; or such other address as may
be designated in writing hereafter, in the same manner, by such addressee.

		14.3	Indemnification

The Company agrees
to indemnify and hold harmless the Holder from and against any liabilities, obligations, losses, damages, penalties, actions, judgments,
suits, claims, costs, attorneys’ fees, expenses and disbursements of any kind which may be imposed upon, incurred by or asserted
against the Holder in any manner relating to or arising out of any failure by the Company to perform or observe in any material
respect any of its covenants, agreements, undertakings or obligations set forth in this Warrant; provided, however, that
the Company will not be liable hereunder to the extent that any liabilities, obligations, losses, damages, penalties, actions,
judgments, suits, claims, costs, attorneys’ fees, expenses or disbursements are found in a final nonappealable judgment by
a court to have resulted from the Holder’s gross negligence, bad faith or willful misconduct in its capacity as a stockholder
or warrantholder of the Company.

		14.4	Remedies

The Holder in addition
to being entitled to exercise all rights granted by law, including recovery of damages, will be entitled to specific performance
of its rights under Section 2 of this Warrant. The Company agrees that monetary damages would not be adequate compensation for
any loss incurred by reason of a breach by it of the provisions of Section 2 of this Warrant and hereby agrees to waive the defense
in any action for specific performance that a remedy at law would be adequate.

    	11

    	 

    

 

		14.5	Successors and Assigns

Subject to the provisions
of Sections 3.1 and 9, this Warrant and the rights evidenced hereby shall inure to the benefit of and be binding upon the successors
of the Company and the successors and assigns of the Holder. The provisions of this Warrant are intended to be for the benefit
of all Holders from time to time of this Warrant and, with respect to Section 9 hereof, the holders of Warrant Shares, and shall
be enforceable by any such holder or the holder of Warrant Shares.

		14.6	Amendment

This Warrant may be
modified or amended or the provisions hereof waived only with the written consent of the Company and the Holder.

		14.7	Severability

Wherever possible,
each provision of this Warrant shall be interpreted in such manner as to be effective and valid under applicable law, but if any
provision of this Warrant shall be prohibited by or invalid under applicable law, such provision shall only be ineffective to the
extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions of this
Warrant.

		14.8	Headings

The headings used
in this Warrant are for the convenience of reference only and shall not, for any purpose, be deemed a part of this Warrant.

		14.9	Governing Law

This Warrant shall
be governed by the laws of the State of New York, without regard to the provisions thereof relating to conflicts of law.

In
Witness Whereof, the Company has caused this Warrant to be duly executed by its duly authorized President and Chief Executive
Officer and the Seal of the Company to be affixed hereto.

Dated: April 5, 2013

 

	 	ThermoEnergy Corporation
	 	 
	 	By: 	 
	 	 	James F. Wood
	 	 	Chairman and Chief Executive Officer

 

    	12

    	 

    

Exhibit A

SUBSCRIPTION FORM

[To be executed only upon exercise of
Warrant]

The undersigned registered
owner of this Warrant irrevocably exercises this Warrant for the purchase of __________ shares of Common Stock of ThermoEnergy
Corporation and herewith makes payment therefor, all at the price and on the terms and conditions specified in this Warrant and
requests that certificates for the shares of Common Stock hereby purchased (and any securities or other property issuable upon
such exercise) be issued in the name of and delivered to

 

whose address is

 

and, if such shares of Common Stock
shall not include all of the shares of Common Stock issuable as provided in this Warrant, that a new Warrant of like tenor and
date for the balance of the shares of Common Stock issuable hereunder be delivered to the undersigned.

 

	 	 
	 	(Name of Registered Owner)
	 	 
	 	 
	 	(Signature of Registered Owner)
	 	 
	 	 
	 	(Street Address)
	 	 
	 	 
	 	(City)      (State)      (Zip Code)
	 	 
	 	 
	 	Notice:  The signature on this subscription must correspond with the name as written upon the face of the within Warrant in every particular, without alteration or enlargement or any change whatsoever.

 

    	A-1

    	 

    

EXHIBIT B

ASSIGNMENT FORM

For
Value Received the undersigned registered owner of this Warrant hereby sells, assigns and transfers unto the Assignee named
below all of the rights of the undersigned under this Warrant, with respect to the number of shares of Common Stock set forth below:

 

	

Name and Address of Assignee	No. of Shares of

Common Stock
	 	 
	 	 
	 	 

and does hereby irrevocably constitute
and appoint

 

attorney-in-fact to register such transfer
on the books of ThermoEnergy Corporation maintained for the purpose, with full power of substitution in the premises.

 

	Dated:  	 	 
	 	 	 
	 	 	(Print Name)
	 	 	 
	 	 	 
	 	 	(Signature)
	 	 	 
	 	 	 
	 	 	(Print Name of Witness)
	 	 	 
	 	 	 
	 	 	(Witness’s Signature)
	 	 	 
	 	 	 
	 	 	Notice:  The signature on this assignment must correspond with the name as written upon the face of the within Warrant in every particular, without alteration or enlargement or any change whatsoever.

 

 

    	B-1Exhibit 10.5

 

SERVICES
AGREEMENT

 

This Services Agreement
(the “Agreement”) is made as of the 1st day of March, 2008, by and between Alcobra Ltd., maintaining
its principal place of business at 53 Hashalom Rd., Givatayim (the “Company”) and Mr. Udi Gilboa (or
an entity in his control), Residing at 30th Golani St, Ramat Gan (the “Consultant”).

 

		WHEREAS	The Consultant declares that he owns the skills and experience necessary to render the Services
(as defined therein); and

 

		WHEREAS	The Company wishes to engage the Consultant as an independent
contractor to render the Services, all upon the terms and conditions set forth herein;

 

NOW, THEREFORE,
in consideration of the premises and mutual agreements herein set forth, the parties hereto, intending to be legally bound, have
agreed as follows:

 

		1.	General

 

		1.1	The preamble to this Agreement, including any statement herein and the annexes attached hereto,
form an integral part hereof and shall be binding upon the parties.

 

		1.2	The title headings of the Sections hereof are intended solely for convenience and are not intended
and shall not be construed for any other purpose.

 

		2.	Term

 

This Agreement and the Consultant’s
engagement thereunder shall be in effect commencing on March 1st, 2008 (the “Effective Date”) and
until terminated in accordance with Section 7 below.

 

		3.	The Engagement

 

		3.1	The Company hereby engages the Consultant and the Consultant hereby agrees to hold himself available
exclusively for at least 22.50 hours per week or more, as shall be agreed upon by the parties, during the term of this Agreement
for providing the Company services as the Company’s CFO and COO which may include, inter alia, Financial planning,
BD, operational services, management services and other services required for the future development of the company as shall be
requested by the Company from time to time, as an independent contractor (the “Services”).

 

		3.2	The Consultant shall report and perform other duties as may be assigned to him by the Company’s
management.

 

    	 

    	 

    

 

		4.	Warrants and Undertakings

 

		4.1	The Consultant hereby warrants and represents that he: (i) has the required qualifications, experience
and know how to perform the Services (ii) agrees to, perform his duties and responsibilities in rendering the Services with devotion,
honesty and fidelity, and to dedicate his best effort, experience qualifications and abilities in performing such duties to the
benefit and satisfaction of the Company and for its success; (iii) does not require the consent of any other person or entity (iv)
shall not utilize during the term of his engagement any proprietary information of any third party; and (v) shall perform his services
as an independent contractor and there will be no employer – employee relationship between the Company and the Consultant.

 

		4.2	The Consultant shall devote all necessary time and attention in order to perform the Service and
his duties diligently and promptly for the benefit of the Company and shall not undertake or accept, unless authorized by the Company,
any other paid or unpaid employment or occupation or engage in or be associated with, directly or indirectly, any other businesses,
duties or pursuits and he shall not, either during or outside such normal business hours engage in any activity inimical to the
Company’s best interests

 

		4.3	The Consultant may provide the Services through an entity controlled by him, provided however that
in such event the Consultant shall continue to personally provide the Services.

 

		5.	Consideration, Fees, Expenses and Taxes

 

In consideration for the services
provided by the Consultant to the Company, the Consultant shall be entitled to compensation and other benefits as detailed in Annex A.

 

		6.	Confidentiality; Non-Compete and Proprietary Information

 

The Consultant has signed a
confidentiality, non-compete and proprietary information with the Company, a copy of which is attached hereto as Annex B.

 

		7.	Term and Termination

 

		7.1	This Agreement shall be effective as of the date first written above.

 

		7.2	Notwithstanding the above, either party may terminate this Agreement at any time without cause
upon serving the other party a 60 (Sixty) days (the “Notice Period”) prior written notice specifying the effective
date of termination (the “Termination Date”).

 

		7.3	During the Notice Period, the Consultant return to the Company all documents, professional literature
and equipment belonging to the Company, which may be in his possession at such time.

 

		7.4	The Company may terminate this Agreement for Cause (as such term is defined below), with immediate
effect. In such case the Company’s sole obligation shall be to pay the Consultant any unpaid consideration through the date
of termination. For the purpose of this Agreement, the term “Cause” shall mean:

 

		7.4.1	Conviction of the Consultant of a dishonorable criminal offense;

 

    	- 2 -

    	 

    

 

		7.4.2	The commission by the Consultant of any act involving theft or embezzlement from the Company;

 

		7.4.3	Actions or omissions of the Consultant which were not made in good faith or were made against the
Company’s interests; or

 

		7.4.4	A material breach of this Agreement by the Consultant which was not remedied by the Consultant
within 7 (seven) days from receipt of a notice regarding such breach.

 

		8.	Relationship of the Parties

 

		8.1	In performing his duties and obligations hereunder, the Consultant shall operate as and has the
status of an independent contractor and shall not act as or be an agent or an employee of the Company.

 

		8.2	The parties do hereby agree and declare that should any court and/or any other authoritative body
decide, in contrary to the explicit desire and intention of the parties (especially the Consultant) hereto, that the Consultant
is the Company’s employees and thereof entitled to further benefits and/or social right in addition to the consideration
set forth herein (Hereinafter: the “Decision”), then Annex A below shall be revised to stipulate that in consideration
for the Services, the Consultant shall have been entitled to 75% (seventy five percent) of the Monthly Fees (as defined below).
All amounts paid to the Consultant in access of this 75% of the Monthly Fees shall be deemed a loan given to the Consultant by
the Company bearing the Prime interest rate as set by Bank Israel at the date of the Decision and shall be repaid to the Company
immediately upon its written request.

 

		9.	Miscellaneous

 

		9.1	No provision of this Agreement may be modified, waived or discharged unless such waiver, modification
or discharge is agreed to in writing and signed by the Consultant and the Company. No waiver by either party hereto at any time
of any breach by the other party hereto of, or compliance with, any condition or provision of this Agreement to be performed by
such other party shall be deemed a waiver of similar or dissimilar provisions or conditions at the same or at any prior or subsequent
time. The provisions of this Agreement shall be deemed severable and the invalidity or unenforceability of any provision shall
not affect the validity or enforceability of the other provisions hereof.

 

		9.2	This Agreement shall be governed by and construed and enforced in accordance with the laws of the
State of Israel. The competent courts in Tel Aviv shall have the exclusive jurisdiction over any dispute arising from this Agreement.

 

		9.3	This Agreement constitutes the entire agreement between the parties hereto and supersedes
all prior agreements, understandings and arrangements, oral or written, between the parties hereto with respect to the subject
matter hereof. No agreement or representations, oral or otherwise, express or implied, with respect to the subject matter hereof
has been made either party which is not expressly set forth in this Agreement.

 

		9.4	Neither this Agreement nor any right or interest hereunder shall be assignable or transferable
by the Consultant, his beneficiaries or legal representatives, except by will or by the laws of descent and distribution and except
as set forth in Section 4.3 above. This Agreement shall inure to the benefit of and be enforceable by the Consultant’s legal
personal representative.

 

    	- 3 -

    	 

    

 

		9.5	For the purpose of this Agreement, notices and all other communications provided for in the Agreement
shall be in writing and shall be deemed to have been duly given when sent via fax, personally delivered or sent by registered mail,
postage prepaid, addressed to the respective addresses set forth above or last given by each party to the other, except that notice
of change of address shall be effective only upon receipt.

 

IN WITNESS WHEREOF, the
parties have executed this Agreement as of the day and year first above written.

 

	Alcobra Ltd.	 	Mr. Udi Gilboa	 
	 	 	 	 
	/s/ Alcobra LTD	 	/s/ Top-Notch Finance 2003 Ltd.	 
	By:	Alcobra LTD	 	Top-Notch Finance 2003 Ltd.	 
	Title:	 	 	 	 

 

    	- 4 -

    	 

    

 

Annex A - Consideration, Fees, Expenses
and Taxes

 

In consideration for his services and subject to the performance
of the Services required to be performed hereunder by the Consultant under the agreement which this Annex A is attached to (the
“Agreement”), all terms not defined herein shall have the meaning ascribed to them in the Agreement), the Company
shall pay to the Consultant the Monthly Fees (as defined below) and provide him with additional benefits as detailed herein.

 

		1.	Monthly Fee. During the term of the Agreement, the Company shall pay to the Consultant
an amount of US$ 7,000 per month + VAT as applicable, (the “Monthly Fee”). The rate of US$ 1 will not be lower than
4 NIS.

 

The Monthly Fees and any other
payment paid to the Consultant under this Agreement shall be paid on the first day of each month in respect of such month.

 

Upon payment, Consultant will
furnish to the Company an invoice and a receipt

 

Each party shall bear and pay
his own taxes as may be imposed on it according any law in connection with any payment or benefit made under the Agreement.

 

		2.	Expenses. The Company will reimburse the Consultant for any documented, pre-approved
out-of-pocket expenses from time to time properly incurred by the Consultant in connection with his Services to the Company and
against invoices.

 

		3.	Except as set forth in section 1-2 above, the Consultant shall not be entitled to any further payment
in connection with the performance of the Services.

 

    	- 5 -

    	 

    

 

Annex B

 

Confidentiality. Non-Compete and
Proprietary Information

 

 

Enclosed.

 

    	- 6 -

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