Document:

Form of Amended and Restated Indemnification Agreement

 EXHIBIT 10.1 
 AMENDED AND RESTATED INDEMNIFICATION AGREEMENT 
 This Amended and Restated Indemnification
Agreement (“Agreement”) is made as of                         , by and between Basin Water, Inc., a
Delaware corporation (the “Company”), and [Name of Officer/Director] (“Indemnitee”). 
 RECITALS 

 WHEREAS, the Company and the Indemnitee are parties to that certain Indemnification Agreement dated _______ (the “Prior
Agreement”); and 
 WHEREAS, the Company and the Indemnitee desire to amend the Prior Agreement; 
 WHEREAS, highly competent persons have become more reluctant to serve corporations as directors or in other capacities unless they are provided
with adequate protection through insurance and adequate indemnification against inordinate risks of claims and actions against them arising out of their service to and activities on behalf of the corporation; 
 WHEREAS, the Board of Directors of the Company (the “Board”) has determined that, in order to attract and retain qualified
individuals, the Company will attempt to maintain on an ongoing basis, at its sole expense, liability insurance to protect persons serving the Company and its subsidiaries from certain liabilities. Although the furnishing of such insurance has been
a customary and widespread practice among United States-based corporations and other business enterprises, the Company believes that, given current market conditions and trends, such insurance may be available to it in the future only at higher
premiums and with more exclusions. At the same time, directors, officers and other persons in service to corporations or business enterprises are being increasingly subjected to expensive and time-consuming litigation relating to, among other
things, matters that traditionally would have been brought only against the Company or business enterprise itself. The certificate of incorporation and bylaws of the Company require indemnification of the officers and directors of the Company.
Indemnitee may also be entitled to indemnification pursuant to the General Corporation Law of the State of Delaware (“DGCL”). The certificate of incorporation, bylaws and the DGCL expressly provide that the indemnification
provisions set forth therein are not exclusive and thereby contemplate that contracts may be entered into between the Company and members of the Board, officers and other persons with respect to indemnification; 
 WHEREAS, the uncertainties relating to such insurance and to indemnification have increased the difficulty of attracting and retaining such
persons; 
 WHEREAS, the Board has determined that the increased difficulty in attracting and retaining such persons is detrimental to
the best interests of the Company’s stockholders and that the Company should act to assure such persons that there will be increased certainty of such protection in the future; 
 WHEREAS, it is reasonable, prudent and necessary for the Company contractually to obligate itself to indemnify, and to advance expenses on behalf
of, such persons to the fullest extent permitted by applicable law so that they will serve or continue to serve the Company free from undue concern that they will not be so indemnified; 
 WHEREAS, this Agreement is a supplement to and in furtherance of the certificate of incorporation and bylaws of the Company and any resolutions
adopted pursuant thereto and shall not be deemed a substitute therefor, nor to diminish or abrogate any rights of Indemnitee thereunder; and 

 WHEREAS, Indemnitee does not regard the protection available under the Company’s certificate
of incorporation, bylaws and insurance as adequate in the present circumstances and may not be willing to serve as an officer or director without adequate protection, and the Company desires Indemnitee to serve in such capacity. Indemnitee is
willing to serve, to continue to serve and to take on additional service for or on behalf of the Company on the condition that he or she be so indemnified. 
 NOW, THEREFORE, in consideration of the promises and the covenants contained herein, the Company and Indemnitee do hereby covenant and agree as follows: 
 1. Services to the Company. Indemnitee will serve or continue to serve as an officer, director or key employee of the Company for so long as
Indemnitee is duly elected or appointed or until Indemnitee tenders his or her resignation. 
 2. Definitions. As used in this
Agreement: 
 (a) “Beneficial Owner” shall have the meaning given to such term in Rule 13d-3 under the
Exchange Act; provided, however, that Beneficial Owner shall exclude any Person otherwise becoming a Beneficial Owner by reason of the stockholders of the Company approving a merger of the Company with another entity. 
 (b) A “Change in Control” shall be deemed to occur upon the earliest to occur after the date of this Agreement of any of
the following events: 
 (i) Acquisition of Stock by Third Party. Any Person (as defined below) is or becomes the
Beneficial Owner, directly or indirectly, of securities of the Company representing twenty percent (20%) or more of the combined voting power of the Company’s then outstanding securities; 
 (ii) Change in Board of Directors. During any period of two (2) consecutive years (not including any period prior to the
execution of this Agreement), individuals, who at the beginning of such period constitute the Board, and any new director (other than a director designated by a person who has entered into an agreement with the Company to effect a transaction
described in Sections 2(b)(i), 2(b)(iii) or 2(b)(iv)) whose election by the Board or nomination for election by the Company’s stockholders was approved by a vote of at least two-thirds of the directors then still in office who either were
directors at the beginning of the period or whose election or nomination for election was previously so approved, cease for any reason to constitute at least a majority of the members of the Board; 
 (iii) Corporate Transactions. The effective date of a merger or consolidation of the Company with any other entity, other than a
merger or consolidation which would result in the voting securities of the Company outstanding immediately prior to such merger or consolidation continuing to represent (either by remaining outstanding or by being converted into voting securities of
the surviving entity) more than 50.1% of the combined voting power of the voting securities of the surviving entity outstanding immediately after such merger or consolidation and with the power to elect at least a majority of the board of directors
or other governing body of such surviving entity; 
 (iv) Liquidation. The approval by the stockholders of the Company
of a complete liquidation of the Company or an agreement or series of agreements for the sale or disposition by the Company of all or substantially all of the Company’s assets; or 
  

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 (v) Other Events. There occurs any other event of a nature that would be required
to be reported in response to Item 6(e) of Schedule 14A of Regulation 14A (or a response to any similar item on any similar schedule or form) promulgated under the Exchange Act (as defined below), whether or not the Company is then subject to
such reporting requirement. 
 (c) “Corporate Status” describes the status of a person who is or was a
director, officer, trustee, general partner, managing member, fiduciary, employee or agent of the Company or of any other Enterprise (as defined below) which such person is or was serving at the request of the Company. 
 (d) “Disinterested Director” means a director of the Company who is not and was not a party to the Proceeding in respect
of which indemnification is sought by Indemnitee. 
 (e) “Enterprise” shall mean the Company and any other
corporation, limited liability company, partnership, joint venture, trust, employee benefit plan or other enterprise of which Indemnitee is or was serving at the request of the Company as a director, officer, trustee, general partner, managing
member, fiduciary, employee or agent. 
 (f) “Exchange Act” shall mean the Securities Exchange Act of 1934,
as amended. 
 (g) “Expenses” shall include all reasonable attorneys’ fees, retainers, court costs,
transcript costs, fees of experts, witness fees, travel expenses, duplicating costs, printing and binding costs, telephone charges, postage, delivery service fees and all other disbursements or expenses of the type customarily incurred in connection
with prosecuting, defending, preparing to prosecute or defend, investigating, being or preparing to be a witness in, or otherwise participating in, a Proceeding. Expenses also shall include expenses incurred in connection with any appeal resulting
from any Proceeding, including, without limitation, the premium, security for and other costs relating to any cost bond, supersedeas bond or other appeal bond or its equivalent. Expenses, however, shall not include amounts paid in settlement by
Indemnitee or the amount of judgments or fines against Indemnitee. 
 (h) “Independent Counsel” means a law
firm, or a member of a law firm, that is experienced in matters of corporation law and neither presently is, nor in the past five years has been, retained to represent: (i) the Company or Indemnitee in any matter material to either such party
(other than with respect to matters concerning Indemnitee under this Agreement, or of other indemnitees under similar indemnification agreements), or (ii) any other party to the Proceeding giving rise to a claim for indemnification hereunder.
Notwithstanding the foregoing, the term “Independent Counsel” shall not include any person who, under the applicable standards of professional conduct then prevailing, would have a conflict of interest in representing either the
Company or Indemnitee in an action to determine Indemnitee’s rights under this Agreement. The Company agrees to pay the reasonable fees and expenses of the Independent Counsel referred to above and to fully indemnify such counsel against any
and all Expenses, claims, liabilities and damages arising out of or relating to this Agreement or its engagement pursuant hereto. 
 (i) “Person” shall have the meaning set forth in Sections 13(d) and 14(d) of the Exchange Act; provided, however, that Person shall exclude (i) the Company, (ii) any trustee or other fiduciary
holding securities under an employee benefit plan of the Company and (iii) any corporation owned, directly or indirectly, by the stockholders of the Company in substantially the same proportions as their ownership of stock of the Company.

  

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 (j) The term “Proceeding” shall include any threatened, pending or
completed action, suit, arbitration, alternate dispute resolution mechanism, investigation, formal or informal, inquiry, administrative hearing or any other actual, threatened or completed proceeding, whether brought in the right of the Company or
otherwise and whether of a civil, criminal, administrative or investigative nature, in which Indemnitee was, is or will be involved as a party, witness or otherwise by reason of the fact that Indemnitee is or was a director or officer of the
Company, by reason of any action taken (or failure to act) by him or her or of any action (or failure to act) on his or her part while acting as a director or officer of the Company, or by reason of the fact that he or she is or was serving at the
request of the Company as a director, officer, trustee, general partner, managing member, fiduciary, employee or agent of any other Enterprise, in each case whether or not serving in such capacity at the time any liability or Expense is incurred for
which indemnification, reimbursement or advancement of Expenses can be provided under this Agreement. 
 (k) References to
“other enterprise” shall include employee benefit plans; references to “fines” shall include any excise tax assessed with respect to any employee benefit plan; references to “serving at the request of the
Company” shall include any service as a director, officer, employee or agent of the Company which imposes duties on, or involves services by, such director, officer, employee or agent with respect to an employee benefit plan, its
participants or beneficiaries; and a person who acted in good faith and in a manner he or she reasonably believed to be in the best interests of the participants and beneficiaries of an employee benefit plan shall be deemed to have acted in a manner
“not opposed to the best interests of the Company” as referred to in this Agreement. 
 3. Indemnity in Third-Party
Proceedings. The Company shall indemnify Indemnitee in accordance with the provisions of this Section 3 if Indemnitee is, or is threatened to be made, a party to or a participant (as a witness or otherwise) in any Proceeding, other than a
Proceeding by or in the right of the Company to procure a judgment in its favor. Pursuant to this Section 3, Indemnitee shall be indemnified against all Expenses, judgments, fines, penalties and amounts paid in settlement (including all
interest, assessments and other charges paid or payable in connection with or in respect of such Expenses, judgments, fines, penalties and amounts paid in settlement) actually and reasonably incurred by Indemnitee or on his or her behalf in
connection with such Proceeding or any claim, issue or matter therein, if Indemnitee acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of the Company and, in the case of a criminal
proceeding, he or she had no reasonable cause to believe that his or her conduct was unlawful. 
 4. Indemnity in Proceedings by or in the
Right of the Company. The Company shall indemnify Indemnitee in accordance with the provisions of this Section 4 if Indemnitee is, or is threatened to be made, a party to or a participant (as a witness or otherwise) in any Proceeding by or
in the right of the Company to procure a judgment in its favor. Pursuant to this Section 4, Indemnitee shall be indemnified against all Expenses actually and reasonably incurred by Indemnitee or on his or her behalf in connection with such
Proceeding or any claim, issue or matter therein, if Indemnitee acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of the Company. No indemnification for Expenses shall be made under this
Section 4 in respect of any claim, issue or matter as to which Indemnitee shall have been finally adjudged by a court to be liable to the Company, unless and only to the extent that any court in which the Proceeding was brought or the Delaware
Court of Chancery shall determine upon application that, despite the adjudication of liability but in view of all the circumstances of the case, Indemnitee is fairly and reasonably entitled to indemnification. 
 5. Indemnification for Expenses of a Party Who is Wholly or Partly Successful. Notwithstanding any other provisions of this Agreement, to the
extent that Indemnitee is a party to (or a participant in) and is successful, on the merits or otherwise, in any Proceeding or in defense of any claim, 

  

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issue or matter therein, in whole or in part, the Company shall indemnify Indemnitee against all Expenses actually and reasonably incurred by him or her in
connection therewith. If Indemnitee is not wholly successful in such Proceeding but is successful, on the merits or otherwise, as to one or more but less than all claims, issues or matters in such Proceeding, the Company shall indemnify Indemnitee
against all Expenses actually and reasonably incurred by him or her or on his or her behalf in connection with each successfully resolved claim, issue or matter. If Indemnitee is not wholly successful in such Proceeding, the Company also shall
indemnify Indemnitee against all Expenses reasonably incurred in connection with a claim, issue or matter related to any claim, issue or matter on which Indemnitee was successful. For purposes of this Section and without limitation, the termination
of any claim, issue or matter in such a Proceeding by dismissal, with or without prejudice, shall be deemed to be a successful result as to such claim, issue or matter. 
 6. Indemnification For Expenses of a Witness. Notwithstanding any other provision of this Agreement, to the extent that Indemnitee is, by reason of his Corporate Status, a witness in any Proceeding to which
Indemnitee is not a party, he shall be indemnified against all Expenses actually and reasonably incurred by him or her or on his or her behalf in connection therewith. 
 7. Additional Indemnification. 
 (a) Notwithstanding any limitation in Sections 3, 4
or 5, the Company shall indemnify Indemnitee to the fullest extent permitted by law if Indemnitee is a party to or threatened to be made a party to any Proceeding (including a Proceeding by or in the right of the Company to procure a judgment in its
favor) against all Expenses, judgments, fines, penalties and amounts paid in settlement (including all interest, assessments and other charges paid or payable in connection with or in respect of such Expenses, judgments, fines, penalties and amounts
paid in settlement) actually and reasonably incurred by Indemnitee in connection with the Proceeding. No indemnity shall be made under this Section 7(a) on account of Indemnitee’s conduct which constitutes a breach of Indemnitee’s
duty of loyalty to the Company or its stockholders or is an act or omission not in good faith or which involves intentional misconduct or a knowing violation of the law. 
 (b) For purposes of Section 7(a), the meaning of the phrase “to the fullest extent permitted by law” shall include,
but not be limited to: 
 (i) the fullest extent permitted by the provision of the DGCL that authorizes or contemplates
additional indemnification by agreement or the corresponding provision of any amendment to or replacement of the DGCL; and 
 (ii) the fullest extent authorized or permitted by any amendments to or replacements of the DGCL adopted after the date of this Agreement that increase the extent to which a corporation may indemnify its officers and directors. 

8. Exclusions. Notwithstanding any other provision in this Agreement, the Company shall not be obligated under this Agreement to indemnify
Indemnitee in connection with any claim made against Indemnitee: 
 (a) for which payment has actually been received by or on
behalf of Indemnitee under any insurance policy or other indemnity provision, except with respect to any excess beyond the amount actually received under any insurance policy or other indemnity provision; 
  

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 (b) for an accounting of profits made from the purchase and sale (or sale and purchase)
by Indemnitee of securities of the Company within the meaning of Section 16(b) of the Exchange Act or similar provisions of state statutory law or common law; or 
 (c) except as otherwise provided in Sections 13(d)-(f) hereof, prior to a Change in Control, in connection with any Proceeding (or
any part of any Proceeding) initiated by Indemnitee, including any Proceeding (or any part of any Proceeding) initiated by Indemnitee against the Company or its directors, officers, employees or other indemnitees, unless (i) the Board of
Directors of the Company authorized the Proceeding (or any part of any Proceeding) prior to its initiation or (ii) the Company provides the indemnification, in its sole discretion, pursuant to the powers vested in the Company under applicable
law. 
 9. Advances of Expenses; Defense of Claim. 
 (a) Notwithstanding any provision of this Agreement to the contrary, the Company shall advance the Expenses incurred by Indemnitee in
connection with any Proceeding within ten (10) days after the receipt by the Company of a statement or statements requesting such advances from time to time, whether prior to or after final disposition of any Proceeding. Advances shall be
unsecured and interest free. Advances shall be made without regard to Indemnitee’s ability to repay the expenses and without regard to Indemnitee’s ultimate entitlement to indemnification under the other provisions of this Agreement.
Advances shall include any and all reasonable Expenses incurred pursuing an action to enforce this right of advancement, including Expenses incurred preparing and forwarding statements to the Company to support the advances claimed. Indemnitee shall
qualify for advances solely upon the execution and delivery to the Company of an undertaking providing that Indemnitee undertakes to repay the advance to the extent that it is ultimately determined that Indemnitee is not entitled to be indemnified
by the Company. This Section 9(a) shall not apply to any claim made by Indemnitee for which indemnity is excluded pursuant to Section 8. 
 (b) The Company will be entitled to participate in the Proceeding at its own expense. 
 (c)
The Company shall not settle any action, claim or Proceeding (in whole or in part) which would impose any Expense, judgment, fine, penalty or limitation on Indemnitee without Indemnitee’s prior written consent. 
 10. Procedure for Notification and Application for Indemnification. 
 (a) Within sixty (60) days after the actual receipt by Indemnitee of notice that he or she is a party to or a participant (as a
witness or otherwise) in any Proceeding, Indemnitee shall submit to the Company a written notice identifying the Proceeding. The omission by Indemnitee to notify the Company will not relieve the Company from any liability which it may have to
Indemnitee (i) otherwise than under this Agreement and (ii) under this Agreement unless and only to the extent that the Company can establish that such omission to notify resulted in actual prejudice to the Company. 
 (b) Indemnitee shall thereafter deliver to the Company a written application to indemnify Indemnitee in accordance with this Agreement.
Such application(s) may be delivered from time to time and at such time(s) as Indemnitee deems appropriate in his or her sole discretion. Following such a written application for indemnification by Indemnitee, Indemnitee’s entitlement to
indemnification shall be determined in accordance with Section 11(a) of this Agreement. 
  

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 11. Procedure Upon Application for Indemnification. 
 (a) Upon written request by Indemnitee for indemnification pursuant to Section 10(b), a determination, if required by applicable law,
with respect to Indemnitee’s entitlement thereto shall be made in the specific case: (i) by a majority vote of the Disinterested Directors, even if constituting less than a quorum of the Board; or (ii) if so requested by Indemnitee,
in his or her sole discretion, by Independent Counsel in a written opinion to the Board, a copy of which shall be delivered to Indemnitee. If it is so determined that Indemnitee is entitled to indemnification, payment to Indemnitee shall be made
within ten (10) days after such determination. Indemnitee shall reasonably cooperate with the person, persons or entity making such determination with respect to Indemnitee’s entitlement to indemnification, including providing to such
person, persons or entity upon reasonable advance request any documentation or information which is not privileged or otherwise protected from disclosure and which is reasonably available to Indemnitee and reasonably necessary to such determination.
Any costs or Expenses (including attorneys’ fees and disbursements) incurred by Indemnitee in so cooperating with the person, persons or entity making such determination shall be borne by the Company (irrespective of the determination as to
Indemnitee’s entitlement to indemnification) and the Company hereby indemnifies and agrees to hold Indemnitee harmless therefrom. 
 (b) In the event the determination of entitlement to indemnification is to be made by Independent Counsel pursuant to Section 11(a) hereof, the Independent Counsel shall be selected as provided in this
Section 11(b). If a Change in Control shall not have occurred, the Independent Counsel shall be selected by the Board of Directors, and the Company shall give written notice to Indemnitee advising him of the identity of the Independent Counsel
so selected and the basis for the Board determination that such counsel qualified as Independent Counsel. If a Change in Control shall have occurred, the Independent Counsel shall be selected by Indemnitee (unless Indemnitee shall request that such
selection be made by the Board of Directors, in which event the preceding sentence shall apply), and Indemnitee shall give written notice to the Company advising it of the identity of the Independent Counsel so selected. In either event, Indemnitee
or the Company, as the case may be, may, within 10 days after such written notice of selection shall have been received, deliver to the Company or to Indemnitee, as the case may be, a written objection to such selection; provided,
however, that such objection may be asserted only on the ground that the Independent Counsel so selected does not meet the requirements of “Independent Counsel” as defined in Section 2 of this Agreement, and the objection shall
set forth with particularity the factual basis of such assertion. Absent a proper and timely objection, the person so selected shall act as Independent Counsel. If such written objection is so made and substantiated, the Independent Counsel so
selected may not serve as Independent Counsel unless and until such objection is withdrawn or a court of competent jurisdiction has determined that such objection is without merit. If, within 20 days after submission by Indemnitee of a written
request for indemnification pursuant to Section 10(b) hereof, no Independent Counsel shall have been selected and not objected to, either the Company or Indemnitee may petition a court of competent jurisdiction (the “Court”)
for resolution of any objection which shall have been made by the Company or Indemnitee to the other’s selection of Independent Counsel and/or for the appointment as Independent Counsel of a person selected by the Court or by such other person
as the Court shall designate, and the person with respect to whom all objections are so resolved or the person so appointed shall act as Independent Counsel under Section 11(a) hereof. Upon the due commencement of any judicial proceeding or
arbitration pursuant to Section 13(a) of this Agreement, Independent Counsel shall be discharged and relieved of any further responsibility in such capacity (subject to the applicable standards of professional conduct then prevailing).

 (c) The Company agrees to pay the reasonable fees of Independent Counsel and to fully indemnify such Independent Counsel
against any and all Expenses, claims, liabilities and damages arising out of or relating to this Agreement or its engagement pursuant hereto. 
  

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 12. Presumptions and Effect of Certain Proceedings. 
 (a) In making a determination with respect to entitlement to indemnification hereunder, the person or persons or entity making such
determination shall presume that Indemnitee is entitled to indemnification under this Agreement if Indemnitee has submitted a request for indemnification in accordance with Section 10(b) of this Agreement, and the Company shall have the burden
of proof to overcome that presumption in connection with the making by any person, persons or entity of any determination contrary to that presumption. Neither the failure of the Company (including by the Board or Independent Counsel) to have made a
determination prior to the commencement of any action pursuant to this Agreement that indemnification is proper in the circumstances because Indemnitee has met the applicable standard of conduct, nor an actual determination by the Company (including
by the Board or Independent Counsel) that Indemnitee has not met such applicable standard of conduct, shall be a defense to the action or create a presumption that Indemnitee has not met the applicable standard of conduct. 
 (b) If the person, persons or entity empowered or selected under Section 11 of this Agreement to determine whether Indemnitee is
entitled to indemnification shall not have made a determination within sixty (60) days after receipt by the Company of the request therefor, the requisite determination of entitlement to indemnification shall be deemed to have been made and
Indemnitee shall be entitled to such indemnification, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s statement not materially misleading, in connection with the
request for indemnification or (ii) a prohibition of such indemnification under applicable law; provided, however, that such 60-day period shall be extended for a reasonable time, not to exceed an additional thirty (30) days,
if the person, persons or entity making the determination with respect to entitlement to indemnification in good faith requires such additional time for the obtaining or evaluating of documentation and/or information relating thereto. 
 (c) The termination of any Proceeding or of any claim, issue or matter therein, by judgment, order, settlement or conviction, or upon a
plea of nolo contendere or its equivalent, shall not (except as otherwise expressly provided in this Agreement) of itself adversely affect the right of Indemnitee to indemnification or create a presumption that Indemnitee did not act in good
faith and in a manner which he or she reasonably believed to be in or not opposed to the best interests of the Company or, with respect to any criminal Proceeding, that Indemnitee had reasonable cause to believe that his or her conduct was unlawful.

 (d) For purposes of any determination of good faith, Indemnitee shall be deemed to have acted in good faith if
Indemnitee’s action is based on the records or books of account of the Enterprise, including financial statements, or on information supplied to Indemnitee by the officers of the Enterprise in the course of their duties, or on the advice of
legal counsel for the Enterprise or on information or records given or reports made to the Enterprise by an independent certified public accountant or by an appraiser or other expert selected by the Enterprise. The provisions of this
Section 12(d) shall not be deemed to be exclusive or to limit in any way the other circumstances in which Indemnitee may be deemed or found to have met the applicable standard of conduct set forth in this Agreement. 
 (e) The knowledge and/or actions, or failure to act, of any other director, trustee, partner, managing member, fiduciary, officer, agent,
advisor or employee of the Enterprise shall not be imputed to Indemnitee for purposes of determining the right to indemnification under this Agreement. 
  

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 13. Remedies of Indemnitee. 
 (a) In the event that (i) a determination is made pursuant to Section 11 of this Agreement that Indemnitee is not entitled to
indemnification under this Agreement, (ii) advancement of Expenses is not timely made pursuant to Section 9 of this Agreement, (iii) no determination of entitlement to indemnification shall have been made pursuant to
Section 11(a) of this Agreement within the time period specified in Section 12(b) of this Agreement, (iv) payment of indemnification is not made pursuant to Sections 5, 6, 7 or the last sentence of Section 11(a) of this
Agreement within ten (10) days after receipt by the Company of a written request therefor or (v) payment of indemnification pursuant to Section 3 or Section 4 of this Agreement is not made within ten (10) days after a
determination has been made that Indemnitee is entitled to indemnification, Indemnitee shall be entitled to an adjudication by a court of his or her entitlement to such indemnification or advancement of Expenses. Alternatively, Indemnitee, at his or
her option, may seek an award in arbitration to be conducted by a single arbitrator pursuant to the Commercial Arbitration Rules of the American Arbitration Association. The Company shall not oppose Indemnitee’s right to seek any such
adjudication or award in arbitration. 
 (b) In the event that a determination shall have been made pursuant to
Section 11(a) of this Agreement that Indemnitee is not entitled to indemnification, any judicial proceeding or arbitration commenced pursuant to this Section 13 shall be conducted in all respects as a de novo trial or arbitration on
the merits, and Indemnitee shall not be prejudiced by reason of that adverse determination. In any judicial proceeding or arbitration commenced pursuant to this Section 13, the Company shall have the burden of proving Indemnitee is not entitled
to indemnification or advancement of Expenses, as the case may be, and the Company may not refer to or introduce into evidence any determination pursuant to Section 11(a) of this Agreement adverse to Indemnitee for any purpose. If Indemnitee
commences a judicial proceeding or arbitration pursuant to this Section 13, Indemnitee shall not be required to reimburse the Company for any advances pursuant to Section 9 until a final determination is made with respect to
Indemnitee’s entitlement to indemnification (as to which all rights of appeal have been exhausted or lapsed). 
 (c) If a
determination shall have been made pursuant to Section 11(a) of this Agreement that Indemnitee is entitled to indemnification, the Company shall be bound by such determination in any judicial proceeding or arbitration commenced pursuant to this
Section 13, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s statement not materially misleading, in connection with the request for indemnification or
(ii) a prohibition of such indemnification under applicable law. 
 (d) In the event that Indemnitee, pursuant to this
Section 13, seeks a judicial adjudication of or an award in arbitration to enforce his or her rights under, or to recover damages for breach of, this Agreement, Indemnitee shall be entitled to recover from the Company, and shall be indemnified
by the Company against, any and all Expenses actually and reasonably incurred by him or her in such judicial adjudication or arbitration. If it shall be determined in said judicial adjudication or arbitration that Indemnitee is entitled to receive
part but not all of the indemnification or advancement of Expenses sought, Indemnitee shall be entitled to recover from the Company, and shall be indemnified by the Company against, any and all Expenses reasonably incurred by Indemnitee in
connection with such judicial adjudication or arbitration. 
 (e) The Company shall be precluded from asserting in any
judicial proceeding or arbitration commenced pursuant to this Section 13 that the procedures and presumptions of this Agreement are not valid, binding and enforceable and shall stipulate in any such court or before any such arbitrator that the
Company is bound by all the provisions of this Agreement. 
  

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 (f) The Company shall indemnify Indemnitee to the fullest extent permitted by law against
all Expenses and, if requested by Indemnitee, shall (within ten (10) days after the Company’s receipt of such written request) advance such Expenses to Indemnitee, which are incurred by Indemnitee in connection with any judicial proceeding
or arbitration brought by Indemnitee for (i) indemnification or advances of Expenses by the Company under this Agreement or any other agreement or provision of the Company’s certificate of incorporation or bylaws now or hereafter in effect
or (ii) recovery or advances under any insurance policy maintained by any person for the benefit of Indemnitee, regardless of whether Indemnitee ultimately is determined to be entitled to such indemnification, advance or insurance recovery, as
the case may be. 
 14. Non-exclusivity; Survival of Rights; Insurance; Subrogation. 
 (a) The rights of indemnification and to receive advancement of Expenses as provided by this Agreement shall not be deemed exclusive of
any other rights to which Indemnitee may at any time be entitled under applicable law, the Company’s certificate of incorporation, the Company’s bylaws, any agreement, a vote of stockholders, a resolution of directors or otherwise. No
amendment, alteration or repeal of this Agreement or of any provision hereof shall limit or restrict any right of Indemnitee under this Agreement in respect of any action taken or omitted by such Indemnitee in his Corporate Status prior to such
amendment, alteration or repeal. The parties hereto intend that, to the extent that a change in Delaware law, whether by statute or judicial decision, permits greater indemnification or advancement of Expenses than would be afforded currently under
the Company’s bylaws and this Agreement, the Indemnitee shall enjoy by this Agreement the greater benefits so afforded by such change. No right or remedy herein conferred is intended to be exclusive of any other right or remedy, and every other
right and remedy shall be cumulative and in addition to every other right and remedy given hereunder or now or hereafter existing at law, in equity or otherwise. The assertion or employment of any right or remedy hereunder or otherwise, shall not
prevent the concurrent assertion or employment of any other right or remedy. 
 (b) To the extent that the Company maintains
an insurance policy or policies providing liability insurance for directors, officers, trustees, partners, managing members, fiduciaries, employees or agents of the Company or of any other Enterprise which such person serves at the request of the
Company, Indemnitee shall be covered by such policy or policies in accordance with its or their terms to the maximum extent of the coverage available for any such director, trustee, partner, managing member, fiduciary, officer, employee or agent
under such policy or policies. If, at the time the Company receives notice from any source of a Proceeding as to which Indemnitee is a party or a participant (as a witness or otherwise), the Company has director and officer liability insurance in
effect, the Company shall give prompt notice of such Proceeding to the insurers in accordance with the procedures set forth in the respective policies. The Company shall thereafter take all necessary or desirable action to cause such insurers to
pay, on behalf of Indemnitee, all amounts payable as a result of such Proceeding in accordance with the terms of such policies. 
 (c) In the event of any payment under this Agreement, the Company shall be subrogated to the extent of such payment to all of the rights of recovery of Indemnitee, who shall execute all papers required and take all action necessary to
secure such rights, including execution of such documents as are necessary to enable the Company to bring suit to enforce such rights. 
 (d) The Company shall not be liable under this Agreement to make any payment of amounts otherwise indemnifiable hereunder (or for which advancement is provided hereunder) if and to the extent that Indemnitee has
otherwise actually received such payment under any insurance policy, contract, agreement or otherwise. 
  

 10 

 (e) The Company’s obligation to indemnify or advance Expenses hereunder to
Indemnitee who is or was serving at the request of the Company as a director, officer, trustee, partner, managing member, fiduciary, employee or agent of any other Enterprise shall be reduced by any amount Indemnitee has actually received as
indemnification or advancement of expenses from such Enterprise. 
 15. Duration of Agreement. This Agreement shall continue until and
terminate upon the later of: (a) ten (10) years after the date that Indemnitee shall have ceased to serve as a director or officer of the Company or as a director, officer, trustee, partner, managing member, fiduciary, employee or agent of
any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise which Indemnitee served at the request of the Company; or (b) one (1) year after the final termination of any Proceeding (including any
rights of appeal thereto) then pending in respect of which Indemnitee is granted rights of indemnification or advancement of Expenses hereunder and of any Proceeding commenced by Indemnitee pursuant to Section 13 of this Agreement relating
thereto (including any rights of appeal of any Section 13 Proceeding); provided, that the termination of this Agreement shall not affect the Company’s obligations to make payments to or on behalf of Indemnitee in connection with rights
accruing during the duration hereof. 
 16. Severability. If any provision or provisions of this Agreement shall be held to be
invalid, illegal or unenforceable for any reason whatsoever: (a) the validity, legality and enforceability of the remaining provisions of this Agreement (including, without limitation, each portion of any Section of this Agreement containing
any such provision held to be invalid, illegal or unenforceable, that is not itself invalid, illegal or unenforceable) shall not in any way be affected or impaired thereby and shall remain enforceable to the fullest extent permitted by law;
(b) such provision or provisions shall be deemed reformed to the extent necessary to conform to applicable law and to give the maximum effect to the intent of the parties hereto; and (c) to the fullest extent possible, the provisions of
this Agreement (including, without limitation, each portion of any Section of this Agreement containing any such provision held to be invalid, illegal or unenforceable, that is not itself invalid, illegal or unenforceable) shall be construed so as
to give effect to the intent manifested thereby. 
 17. Enforcement and Binding Effect. 
 (a) The Company expressly confirms and agrees that it has entered into this Agreement and assumed the obligations imposed on it hereby in
order to induce Indemnitee to serve as a director or officer of the Company, and the Company acknowledges that Indemnitee is relying upon this Agreement in serving as a director or officer of the Company. 
 (b) This Agreement constitutes the entire agreement between the parties hereto with respect to the subject matter hereof and supersedes
all prior agreements and understandings, oral, written and implied, between the parties hereto with respect to the subject matter hereof. 
 (c) The indemnification and advancement of expenses provided by or granted pursuant to this Agreement shall apply to Indemnitee’s service as an officer, director or key employee of the Company prior to the date
of this Agreement. 
 (d) The indemnification and advancement of expenses provided by or granted pursuant to this Agreement
shall continue as to a person who has ceased to be a director, officer, employee or agent and shall inure to the benefit of the heirs, executors and administrators of such a person. 
 18. Modification and Waiver. No supplement, modification or amendment of this Agreement shall be binding unless executed in writing by the parties
hereto. No waiver of any of the 

  

 11 

 
provisions of this Agreement shall be deemed or shall constitute a waiver of any other provisions of this Agreement nor shall any waiver constitute a
continuing waiver. 
 19. Notice by Indemnitee. Indemnitee agrees promptly to notify the Company in writing upon being served with any
summons, citation, subpoena, complaint, indictment, information or other document relating to any Proceeding or matter which may be subject to indemnification or advancement of Expenses covered hereunder. The failure of Indemnitee to so notify the
Company shall not relieve the Company of any obligation which it may have to Indemnitee under this Agreement or otherwise, except as provided in Section 10(a). 
 20. Notices. All notices, requests, demands and other communications under this Agreement shall be in writing and shall be deemed to have been duly given (a) if delivered by hand and if receipt is
acknowledged in writing by the party to whom said notice or other communication shall have been directed or (b) if mailed by certified or registered mail with postage prepaid, on the third business day after the date on which it is so mailed:

 (a) If to Indemnitee, at the address indicated on the signature page of this Agreement, or such other address as Indemnitee
shall provide in writing to the Company. 
 (b) If to the Company to: 
 Basin Water, Inc. 
 8731 Prestige Court 
 Rancho Cucamonga, California 91730 
 Attn.: Chief Executive Officer 
 or to any
other address as may have been furnished to Indemnitee in writing by the Company. 
 21. Contribution. To the fullest extent
permissible under applicable law, if the indemnification provided for in this Agreement is unavailable to Indemnitee for any reason whatsoever, the Company, in lieu of indemnifying Indemnitee, shall contribute to the amount incurred by Indemnitee,
whether for judgments, fines, penalties, excise taxes, amounts paid or to be paid in settlement and/or for Expenses, in connection with any claim relating to an indemnifiable event under this Agreement, in such proportion as is deemed fair and
reasonable in light of all of the circumstances of such Proceeding in order to reflect: (i) the relative benefits received by the Company and Indemnitee as a result of the event(s) and/or transaction(s) giving rise to such Proceeding; and/or
(ii) the relative fault of the Company (and its directors, officers, employees and agents) and Indemnitee in connection with such event(s) and/or transaction(s). 
 22. Applicable Law and Consent to Jurisdiction. This Agreement and the legal relations among the parties shall be governed by, and construed and enforced in accordance with, the laws of the State of Delaware,
without regard to its conflict of laws rules. Except with respect to any arbitration commenced by Indemnitee pursuant to Section 13(a) of this Agreement, the Company and Indemnitee hereby irrevocably and unconditionally (i) agree that any
action or proceeding arising out of or in connection with this Agreement shall be brought only in the Chancery Court of the State of Delaware (the “Delaware Court”) and not in any other state or federal court in the United States of
America or any court in any other country, (ii) consent to submit to the exclusive jurisdiction of the Delaware Court for purposes of any action or proceeding arising out of or in connection with this Agreement, (iii) appoint, to the
extent such party is not a resident of the State of Delaware, irrevocably Corporation Service Company, 2711 Centerville Road, Suite 400, in the City of Wilmington, County of New Castle, as its agent in the State of Delaware as such party’s
agent for acceptance of legal process in connection with 

  

 12 

 
any such action or proceeding against such party with the same legal force and validity as if served upon such party personally within the State of Delaware,
(iv) waive any objection to the laying of venue of any such action or proceeding in the Delaware Court and (v) waive and agree not to plead or to make any claim that any such action or proceeding brought in the Delaware Court has been
brought in an improper or inconvenient forum. 
 23. Identical Counterparts. This Agreement may be executed in one or more
counterparts, each of which shall for all purposes be deemed to be an original but all of which together shall constitute one and the same Agreement. Only one such counterpart signed by the party against whom enforceability is sought needs to be
produced to evidence the existence of this Agreement. 
 24. Miscellaneous. Use of the masculine pronoun shall be deemed to include
usage of the feminine pronoun where appropriate. The headings of the sections and paragraphs of this Agreement are inserted for convenience only and shall not be deemed to constitute part of this Agreement or to affect the construction thereof.

 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 
  

 13 

 IN WITNESS WHEREOF, the parties have caused this Agreement to be signed as of the day and year first
above written. 
  

									
	BASIN WATER, INC.,	 		 	INDEMNITEE
	a Delaware corporation	 		 	
				
	By:	 	 	 		 	 
	Name:	 		 		 	[Name of Officer/Director]
	Title:	 		 		 		 	
		 		 		 	Address:	 	 
				
		 		 		 	 
				
		 		 		 	 

  

 14Alliance Agreement

 EXHIBIT 10.28 
 CERTAIN MATERIAL (INDICATED BY AN ASTERISK) HAS BEEN OMITTED FROM THIS DOCUMENT PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. 
 ALLIANCE AGREEMENT 
 This alliance
agreement (this “Agreement”) dated as of this 14th day of November 2007 (the “Effective Date”), between Rohm and Haas Chemicals LLC, a limited liability company organized under the laws of Delaware, with offices at 100
Independence Mall West, Philadelphia, Pennsylvania 19106 (“RandH”) and Basin Water Inc., a corporation organized under the laws of Delaware, with offices at 8731 Prestige Court, Rancho Cucamonga, CA 91730 (“BW”) (each a
“Party” and collectively, the “Parties”). 
 WHEREAS, RandH possesses technology, know-how and technical expertise
relating to the manufacture and use of ion exchange resins in the treatment of groundwater and other liquids; 
 WHEREAS, RandH manufactures
and sells a variety of ion exchange resins for the treatment of groundwater; 
 WHEREAS, BW possesses expertise in the treatment of
groundwater and in providing services to customers in the groundwater treatment market; 
 WHEREAS, RandH and BW wish to collaborate by
combining technologies, products, commercial resources and competencies to offer a full array of innovative technical solutions and products to customers with impaired groundwater using a service model approach within the Alliance Scope and as
detailed in this Agreement (the “Alliance”). 
 NOW THEREFORE, RandH and BW hereby agree as follows: 
 I. DEFINITIONS 
 “Alliance Executive Committee” or “AEC” has the meaning set forth in Section III.A.1. 
 “Alliance Scope” has the meaning set forth in Section II.B.1. 
 “Alliance Territory” means the United States and Canada. 
 “Background IP” has the meaning set forth in Section VII.A.1. 
 “Excluded Markets” has the meaning set forth in Section II.B.2. 
 “Net Gross Profit” means Net Revenue (including equipment sales and water treatment services) less:
(i) equipment costs; (ii) shipping costs: (iii) installation costs; start-up/commissioning costs and; (iv) operating/maintenance costs; provided, however, that the following shall not be deducted in determining Net Gross Profit:
(i) development work costs; (ii) sales and marketing support costs; (iii) technical support costs; (iv) administrative support costs and; royalty costs. The BW Project Tracking System will be used to report the Net Gross Profit
by project number. 
 “Household and Light Commercial (“H&LC”) Water
Market” means the market for water treatment that is softened or conditioned with IX for use in [***] and [***]. 
  
  

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 1 

 “Industrial Water Treatment (“IWT”)
Market” means the market for water treatment used in [***] and for the [***], but does not include the market for treatment of [***] and does not include the treatment of [***]. 
 “IP” has the meaning set forth in Section VII.A. 
 “IX” means synthetic or natural resin materials that exchange or sequester ions from aqueous
solutions and thereby reduce the concentrations of ions. 
 “Joint Development Projects”
means a Project Proposal approved by the AEC in accordance with Section IV. 
 “Joint
IP” has the meaning set forth in Section VII.D.1. 
 “Management
Committee” has the meaning set forth in Section III.B.1. 
 “Milestones” has the meaning set forth in Section VIII.A.2. 
 “Net Revenue” means invoiced sales less rebates, discounts and other price adjustments. 
 “New IX Technology” has the meaning set forth in Section VI.C. 
 “Point of Use (“POU”) Water Market” means the market for water treated by [***] to remove naturally occurring species that are unwanted. 
 “Potable Water Market” means the market for the treatment of water intended for [***]. 

“Power Water Market” means the market for water treatment (including steam condensate) used in
connection with [***], including but not limited to [***]. Power Water Market does not include the market for recycled water used in [***], the treatment of wastewater or contaminated groundwater [***], or the treatment of [***]. 
 “Pre-Alliance Contracts” has the meaning set forth in Section VI.A. 
 “Price” has the meaning set forth in V.A.3. 
 “Project Proposal” has the meaning set forth in Section IV.A.1. 
 “Produced Water Market” means the market for the treatment of contaminated water [***]. 

“RandH Technical Resources” has the meaning set forth in Section V.B.2. 
 “RandH Technical Services” means any RandH technical assistance performed by RandH at BW’s
request that requires RandH personnel to perform laboratory work or to travel to BW or a BW customer location. 
 “Share Contracts” has the meaning set forth in Section VI.A. 
 “Term” has the meaning set forth in Section VIII.A. 
 “Ultra
Pure Water (“UPW”) Market” means the market for water treatment that removes contaminants from water to the [***] for use in connection with the [***] for [***]. 
 II. PURPOSE, SCOPE AND TERRITORY 
  

	A.	Purpose 

 The purpose of the Alliance is to bring
together the technologies and the technical and service capabilities of the Parties to serve the market for treatment of impaired groundwater by applying differentiated treatment solutions through a service-based offering and to conduct research and
development in the field of contaminant removal from groundwater and residuals management for water treatment processes. 
  
  

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 2 

	B.	Alliance Scope 

  

	 	1.	The scope of the Alliance (“Alliance Scope”) is as follows: 

  

	 	(a)	to provide products and services for the removal of contaminants from groundwater for the [***], except the [***] as defined below; 

  

	 	(b)	to develop products and services for the removal of contaminants from groundwater for the [***]; and 

  

	 	(c)	to develop additional applications for the treatment of impaired groundwater. 

 During the Term, RandH and BW shall not independently engage in commercial activities within the Alliance Scope in the Alliance Territory. 
  

	 	2.	Expressly excluded from the Alliance Scope are the following water treatment markets (collectively, the “Excluded Markets”): 

  

	 	(a)	[***], 

	 	(b)	[***], 

	 	(c)	[***], 

	 	(d)	[***], and 

	 	(e)	[***]. 

 For clarity, nothing in this Agreement shall be
construed to restrain either Party from independently participating in any Excluded Market. 
  

	C.	Alliance Territory 

  

	 	1.	The geographic scope of this Agreement, and the activities of the Alliance, are limited to the United States and Canada (the “Alliance Territory”).

  

	 	2.	In the event that a Party desires to enter into a business transaction substantially similar to the Alliance both in nature and scale outside of the Alliance Territory (the
“Offering Party”), the Offering Party will first provide a written initial offer containing commercially reasonable terms and conditions under which the Offering Party proposes that the other Party (the “Receiving Party”) will
participate in the territorial expansion. If both Parties desire to move forward with the proposed territorial expansion, the Parties will use best efforts to agree on commercially reasonable terms under which the territorial expansion will proceed,
taking into consideration each Party’s respective financial capabilities, timing constraints and other factors which may impact a Party’s ability to participate in the expansion. Within [***] from the date of the written initial offer
referenced above, if the Parties are not able to agree on terms and conditions or if the Receiving Party declines to participate or fails to respond within the allotted time, the Offering Party is then free to engage in such activities substantially
similar to the Alliance outside of the Alliance Territory. The Parties agree and acknowledge that any expansion of the Alliance Territory may require agreement with a third party located in the new territory. 

  

	 	3.	Subject to Section C.2 above, nothing in this Agreement shall be construed to restrain either Party from independently engaging in any activity outside of the Alliance Territory.

  
  

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 3 

 III. ALLIANCE OPERATION AND MANAGEMENT 
  

	A.	Alliance Executive Committee 

  

	 	1.	Within thirty (30) days of the Effective Date, RandH and BW will establish an Alliance Executive Committee (“AEC”) comprised of three (3) of executive
representative(s) each from RandH and BW to provide oversight, direction and guidance to the MC. The AEC exclusively will review Project Proposals contemplated in Section IV below and determine if any such Project Proposal should become a Joint
Development Project. The AEC must unanimously approve: 

  

	 	(a)	all Joint Development Projects, including establishment of a funding plan and budget; 

  

	 	(b)	the terms and conditions of each Joint Development Project; 

  

	 	(c)	a commercial plan for the Joint Development Project; and 

  

	 	(d)	a management process for Joint Development Projects, including timelines and milestones. 

  

	 	2.	The AEC will meet on an as need basis but in no case less than once per quarter. Such meetings may be conducted in person, by video conference or by conference call.

  

	 	3.	The AEC shall discuss at least once annually any potential expansion of the Alliance Scope and/or Alliance Territory. 

  

	B.	The Management Committee 

  

	 	1.	Within thirty (30) days of the Effective Date, RandH and BW will establish a Management Committee (“MC”) comprised of representatives of each Party that will handle
day-to-day operations of the Alliance and implement the decisions of the AEC. The MC will meet a minimum of once per month and will provide a monthly report of activities and progress to the AEC. Such meetings may be conducted in person, by video
conference or by conference call. 

  

	 	2.	The activities of the MC will include but are not limited to the following: 

  

	 	(a)	Monitor the Alliance performance via a sales and operational planning process (S&OP); 

  

	 	(b)	Provide monthly business forecasts to the AEC; 

  

	 	(c)	Evaluate and approve all service contract opportunities from a technology and financial perspective; 

  

	 	(d)	Manage technical service resources and projects and maintain an active selling projects portfolio and process; 

  

	 	(e)	Manage the resources, activities, and schedules for all Joint Development Projects; and 

  

	 	(f)	Define and propose new Joint Development Projects using a goals deliberation process and approved project evaluation practices. 

 IV. JOINT DEVELOPMENT PROJECTS 
  

	A.	Establishment of Joint Development Projects 

  

	 	1.	Each Party agrees to use all reasonable commercial efforts, whether individually or jointly with the other Party, to develop significant new project proposals within the Alliance
Scope (each a “Project Proposal”) and to offer all such Project Proposals exclusively to the Alliance. 

  

	 	2.	A Project Proposal for consideration as a Joint Development Project must be submitted in writing to the AEC. Within [***] from the receipt by the AEC of such written Project
Proposal, the AEC will determine whether to approve or reject a Project Proposal as a Joint Development Project. 

  
  

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 4 

	 	3.	Prior to the commencement of any activity with respect to a given Joint Development Project, the AEC will evaluate and approve the technical and commercial terms of the Joint
Development Project in accordance with Section III (A)(1) above and in substantially the form (at a minimum) set forth at Exhibit A. The Parties will actively collaborate to attain commercial success on all Joint Development Projects.

  

	 	4.	If a Project Proposal is presented to and considered by the AEC, and a Party determines that such project should not become a Joint Development Project (“Declining
Party”), the other Party may then pursue the project independent of the Alliance (“Advancing Party”), subject to the provisions of Section IV.A.5 below. A Project Proposal that is not pursued as a Joint Development Project pursuant to
this paragraph shall be referred to herein as a “Declined Project.” An Advancing Party may not use the Declined Project for commercial purposes within the Alliance Scope, subject to Section IV.A.5 below. 

  

	 	5.	An Advancing Party must, upon the request of a Declining Party, offer in writing reasonable terms and conditions under which the Declined Project will be made available to the
Parties for use within the Alliance Scope; provided, however, that such request must be within [***] from the date that the Declined Project was declined pursuant to section IV.A.4 above. The Parties acknowledge and accept that such reasonable terms
and conditions will include compensation for the Advancing Party’s investment and risk. Within [***] from the Advancing Party’s offer, the Declining Party must either reject the Declined Project or agree with the Advancing Party on the
terms under which the Declined Project will be made available to the Parties within the Alliance Scope. If the Declined Project is rejected a second time or the Declining Party does not make the request referenced above within the stated time frame
or the Parties are not able to agree on the reasonable terms and conditions, the Advancing Party may then commercialize the Declined Project, including within the Alliance Scope. 

  

	B.	Current and Future Joint Development Projects 

  

	 	1.	As of the Effective Date, there are [***] Project Proposals under consideration as Joint Development Projects: 

  

	 	(a)	Development for [***]; 

  

	 	(b)	Development for [***]; 

  

	 	(c)	Development of the [***]; and 

  

	 	(d)	Development for the treatment of [***]. 

  

	 	2.	Future additional Project Proposals may include, but are not limited to, the following: 

  

	 	(a)	Waste water associated with [***] and [***]; 

  

	 	(b)	Waste waters from [***]; and 

  

	 	(c)	Water for [***]. 

  

	C.	Profit Sharing 

  

	 	1.	Since the Parities intend for BW to have the direct relationship with customers, and BW will have control of the flow of funds, unless otherwise agreed by the Parties, BW will pay
to RandH fifty percent (50 %) of the Net Gross Profit generated from all Joint Development Projects. 

  

	 	2.	Within thirty (30) days from the end of each quarter during the Term, BW will pay to RandH all payments due and owing pursuant to this Section IV generated in the immediately
preceding quarter. 

  
  

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 5 

 V. ION EXCHANGE RESIN SUPPLY AND TECHNICAL SERVICE 
  

	A.	Resin Supply 

  

	 	1.	During the Term, BW will purchase [***] of its requirements for IX within the Alliance Scope from RandH 

  

	 	2.	During the Term, RandH will sell IX for use in the [***] exclusively to BW; provided, however, that RandH will comply with all contractual obligations existing as of the Effective
Date until such time as such obligations expire or are otherwise terminated and provided, further however, that RandH will terminate all such obligations at the earliest possible opportunity in accordance with the terms of the contract.

  

	 	3.	Except as set forth in Sections V.A.4 and 5 below, RandH will sell IX to BW at the [***] (the “Price”). Adjustments to Price will be made on a quarterly basis; provided,
however, if the Price in a given quarter is incorporated into a quote by BW to a BW customer, such Price will remain in effect for a period of [***] from the last day of the quarter in which RandH provided BW with the quote. All sales of IX shall be
made pursuant to RandH’s standard invoice terms and conditions. 

 [***] 
  

	 	4.	The prices and conditions of sale of IX pursuant to this Section V.A shall not include any supply of the IX in connection with a Joint Development Project. 

 

	 	5.	For BW business associated with Excluded Markets, RandH agrees upon request by BW to sell IX at the [***]. 

  

	 	6.	If RandH does not have an IX that meets a specific BW need or if RandH is unable to supply or have supplied in BW’s required timeline, BW may obtain IX from an alternate
source. RandH will use its reasonable commercial efforts to assist BW in procuring such IX from an alternate source at a [***]. 

  

	B.	Technical Service  

  

	 	1.	During the Term, RandH will supply technical assistance and RandH Technical Services to BW in support of the use and application of IX, including but not limited to the following:

  

	 	(a)	[***]; 

  

	 	(b)	Cost estimation for IX processes; 

  

	 	(c)	Laboratory studies for applications of IX; 

  

	 	(d)	Trouble shooting operating systems; and 

  

	 	(e)	Development of IX processes for applications being pursued by BW. 

  

	 	2.	RandH will dedicate specific resources to provide technical assistance and RandH Technical Services (“RandH Technical Resources”). RandH will provide a level of service
commensurate with RandH Technical Resources. If the volume and/or nature of BW’s requests for technical services exceed the capabilities of the RandH Technical Resources, RandH may decline to provide specific service(s). If RandH declines to
provide such service(s), the Parties will meet to determine what actions, if any, are necessary to modify or adjust the RandH Technical Resources. In no event will RandH Technical Services be unreasonably withheld. 

  

	 	3.	BW will use reasonable discretion with respect to the volume and nature of its requests for technical assistance and RandH Technical Services. 

  
  

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 6 

 VI. REVENUE SHARING 
  

	A.	For any contract between BW and a third party in the Alliance Territory executed after the Effective Date that utilizes RandH IX or is supported by RandH Technical Services and that
is not part of a Joint Development Project or a project in an Excluded Market, (“Share Contracts”) and any BW contract with a third party in the Alliance Territory executed prior to the execution date of this Agreement (“Pre-Alliance
Contracts”) BW will pay to RandH [***] based upon the following: 

  

	 	1.	For Pre-Alliance Contracts that use RandH Technical Services, including any renewals, size enlargements or location changes associated with such Pre-Alliance Contracts, BW will pay
to RandH [***]. 

  

	 	2.	For all Share Contracts, BW will pay to RandH [***] in accordance with the following table: 

  

			
	[***]	  	[***]
		
	[***]	  	[***]
	[***]	  	[***]
	[***]	  	[***]

  

	B.	Within thirty (30) days from the end of each quarter during the Term, BW will pay to RandH all payments due and owing pursuant to this Section VI generated in the immediately
preceding quarter. 

  

	C.	In the event BW acquires a company that owns IX technology (“New IX Technology”), RandH shall not be entitled to [***] for contracts which include New IX Technology for a
period of [***] following the closing date of the respective BW acquisition and then only sales which occur within the Alliance Scope and in the Alliance Territory. 

 VII. INTELLECTUAL PROPERTY 
  

	A.	All intellectual property, including inventions and know-how “IP” owned by a Party prior to the Effective Date “Background IP” shall remain the exclusive
property of that Party. All improvements to Background IP shall remain the exclusive property of the owner of such Background IP. 

  

	B.	During the Term, any IP developed relating to an IX composition of matter or method of making an IX resin shall be owned by the Party whose employee(s) develops such IP. IP relating
to an IX composition of matter or method of making an IX resin that is jointly made by employees of both Parties shall be jointly owned. 

  

	C.	All other IP, other than as provided in Article VII. A and B, developed during the Term and relating to a Joint Development Project, and regardless of whether developed by an
employee of RandH, BW or jointly developed by employees of both Parties, shall be jointly owned by the Parties. 

  

	D.	During the Term, all jointly owned IP will be equally co-owned as divided property without limitations or restrictions “Joint IP” provided the Parties use the Joint IP
exclusively within the Alliance Scope. 

 If a Party desires to use the Joint IP outside of the Alliance Scope, then that Party
must (a) obtain prior written approval of the other Party (approval not to be unreasonably withheld), and (b) pay the other Party a royalty rate to be determined pursuant to Section VII.K below. 
  

	E.	During the Term, inventions falling primarily outside of the Alliance Scope and made by employees of a Party working independently outside of this Agreement shall be owned by the
Party whose employee makes such invention. 

  

	F.	Upon termination of this Agreement, the Parties agree to license to each other on a royalty bearing basis, all IP relating to the Alliance Scope, including Background IP and
improvements to Background IP necessary to practice any IP developed during the Term. 

  
  

	***	Certain information on this page has been omitted and filed separately with the Commission. Confidential treatment has been requested with respect to the omitted portions.

  

 7 

	G.	Upon termination of the Alliance, any license agreements negotiated pursuant to this Section VII shall remain in force until terminated pursuant to the terms of the individual
license. 

  

	H.	Both Parties agree to execute all documents as are necessary to accomplish the assignment, filing, and maintenance of patent applications and patents relating to Joint IP. Each
Party shall be responsible for the filing costs and maintenance costs for any patent applications it files. 

  

	I.	For Joint IP, the Parties shall determine at the time of the invention, the appropriate manner for drafting and filing the joint patent application. All costs and fees shall be
shared equally. If one Party determines not to share costs or share fees to maintain a joint patent in a particular country, that Party shall forfeit all rights in that particular country and will assign its rights to the other Party for that
country. 

  

	J.	During the Term and after termination, neither Party shall be allowed to assign or license Joint IP without the prior written consent of the other Party. 

 

	K.	In the event the Parties are required to negotiate a reasonable royalty and term for royalty payments for a license pursuant to this Section VII, then such negotiation shall last no
more than [***] following the date a request to negotiate is made by a Party. If a reasonable royalty rate term for royalty payments is not agreed to at the end of the [***] period, then the royalty rate will be [***] of any product or service sold
utilizing such IP and the term for such royalty payments shall be for the term of any licensed patent or, if such license is based on know-how, [***] following which period the royalty rate shall be [***] and the license shall be treated as a [***].

 VIII. TERM AND TERMINATION 
  

	A.	Unless earlier terminated as provided herein, the initial term of this Agreement shall commence on the Effective Date and end on November 14, 2012 (the “Term”). The
Parties agree to renew the Agreement for a successive five (5) year term upon expiration of the initial five (5) year Term if the following milestones have been met: 

  

	 	1.	the Alliance has met most of the material budget expectations as established by the AEC; and 

  

	 	2.	the Alliance has reached most of the material earnings and growth projections established by of the AEC (collectively 1 and 2 the “Milestones”). 

Notwithstanding any other provisions set forth in this Section VIII, in no event shall either Party have the right to terminate the Alliance for
convenience. 
  

	B.	Either Party at its sole discretion may immediately terminate this Agreement in the event of the other Party’s insolvency or the institution of insolvency, bankruptcy,
receivership or similar proceedings by or against such Party. 

  

	 C.
	 If either Party should default in the performance of any material obligation under this Agreement (an “Event of
Default”), then the non-defaulting Party may give written notice to the defaulting Party which notice shall specify the Event of Default. After receipt of such notice, the defaulting Party shall have a period of sixty (60) days within
which to cure the Event of Default. If such Event of Default is not cured within such period, then the non-defaulting Party may terminate this Agreement at any time upon written notice to the defaulting Party, provided such notice is given no later
than the 90th day following the date of the original Event of Default notice. Any such termination shall be without prejudice to any other rights
which the non-defaulting Party may have (in either law or equity) as a result of breach of this Agreement. 

  
  

	***	Certain information on this page has been omitted and filed separately with the Commission. Confidential treatment has been requested with respect to the omitted portions.

  

 8 

 IX. CHANGE OF CONTROL 
  

	A.	If at any time during the Term of this Agreement, BW determines to sell a controlling interest in BW or all or substantially all of BW’s assets associated primarily with
BW’s IX Potable Water Market business, BW will either, at RandH’s sole and exclusive option, oblige the acquiring party as an express condition of closing to consent to the assignment of this Agreement for a term of two (2) years from
the date of any such acquisition or agree to RandH’s election to terminate this Agreement. 

  

	B.	If at any time BW commences discussions or negotiations for sale of a controlling interest in BW or all or substantially all of BW’s assets, BW will provide immediate notice of
such discussions and negotiations to RandH on the condition that RandH executes a confidentiality agreement in a form acceptable to the Parties to the discussions. BW agrees that any confidentiality agreement that BW executes pertaining to such
discussions or negotiations will contain a provision that allows for the notification to RandH contemplated in this Section IX.B. 

  

	C.	If at any time during the Term of this Agreement, RandH determines to sell all or substantially all of RandH’s assets associated primarily with RandH’s IX Potable Water
Market business, RandH will either, at BW’s sole and exclusive option, oblige the acquiring party as an express condition of closing to consent to the assignment of this Agreement for a term of two (2) years from the date of any such
acquisition or agree to BW’s election to terminate this Agreement. 

  

	D.	If at any time RandH commences discussions or negotiations for sale of all or substantially all of RandH’s assets associated primarily with RandH’s IX Potable Water Market
business, RandH will provide immediate notice of such discussions and negotiations to BW on the condition that BW executes a confidentiality agreement in a form acceptable to the parties to the discussions. RandH agrees that any confidentiality
agreement that RandH executes pertaining to such discussions or negotiations will contain a provision that allows for the notification to BW contemplated in this Section IX.D. 

 X. CONFIDENTIALITY 
  

	A.	The Parties may disclose to each other Proprietary Information to further the objectives of this Agreement. “Proprietary Information” means any technical or business
information in the possession of a Party including, but not limited to, trade secrets, formulations, financial information, and customer lists. The Receiving Party shall have a duty to protect that Proprietary Information which is (i) disclosed
by the Disclosing Party in writing and is marked as confidential or proprietary or (ii) disclosed by the Disclosing Party in any other manner and is summarized and designated as confidential in a writing delivered to the Receiving Party’s
representative within thirty (30) days of the disclosure. 

  

	B.	The Party receiving the Proprietary Information (the “Receiving Party”) shall maintain in confidence the Proprietary Information disclosed by the other Party (the
“Disclosing Party”) for the Term of the Agreement and for a period of five (5) years thereafter unless otherwise agreed in writing by both Parties. The Receiving Party shall use reasonable care to prevent disclosure of the Proprietary
Information of the other Party to any third party and shall restrict its use to the Alliance Scope and the performance of obligations under this Agreement, and shall limit such disclosure within its own organization to individuals whose duties
justify the need to know such information and who have a clear understanding of the obligations of this Section X and who are legally obligated to comply with the terms of this Section X. 

  

	C.	The obligations of confidence and non-use assumed by each of the Parties shall not apply to: 

  

	 	1.	Information which is at the time of disclosure or which thereafter becomes part of the public domain, other than disclosure by or through the Receiving Party;

  

	 	2.	Information which is already in the possession of the Receiving Party, as evidenced by its written records, not including any information provided by the Disclosing Party prior to
the Effective Date of this Agreement; and 

  

 9 

	 	3.	Information which is lawfully disclosed to the Receiving Party by a third party not under an obligation of confidentiality to the Disclosing Party with respect to such information.

 Proprietary Information shall not be deemed to be within the forgoing exceptions merely because it is: (1) specific and
embraced by more general information in the public domain or recipient’s possession, or (2) a combination which can be pieced together to reconstruct the Proprietary Information from multiple sources, none of which shows the whole
combination, its principle of operation, and method of use. 
  

	D.	Such disclosures will not be deemed to convey ownership of, or any license under any patents, trade secrets, or other know-how of either Party in existence prior to the commencement
of this Agreement. 

  

	E.	Any violation of this Section X shall not be adequately compensable by monetary damages and the aggrieved Party shall be entitled to an injunction or other appropriate decree
specifically enforcing its obligations pursuant to this Section X. 

  

	F.	Upon the termination of this Agreement, the Receiving Party shall return to the Disclosing Party all of the Disclosing Party’s Proprietary Information in its possession,
including all originals, copies and records thereof; provided however the Receiving Party may retain one copy of the Proprietary Information for archival purposes. 

  

	G.	The obligations under this Section X shall survive any termination of this Agreement. 

 XI. TRADEMARKS 
 All trademarks owned by a Party prior to the Effective Date of this Agreement shall
remain the exclusive property of that Party. Any new trademarks relating to existing products or technology shall be owned by the owner of the existing products or technology. Any new trademark relating to new products or new technology jointly
developed under this Agreement shall be jointly owned by the Parties. Upon termination of this Agreement, BW will assign to RandH all rights, title and interests to any jointly owned trademark relating to an IX media, and RandH will assign to BW all
rights, title and interests to any jointly owned trademark relating to systems or processes. 
 XII. REPRESENTATIONS AND WARRANTIES OF THE PARTIES 

  

	A.	Representations and Warranties of RandH 

  

	 	1.	RandH is a limited liability company duly organized and existing in good standing under the laws of the State of Delaware and has the power, authority and legal right to enter into
and perform its obligations under this Agreement and each other agreement or instrument entered into or to be entered into by RandH pursuant to this Agreement. 

  

	 	2.	The execution, delivery and performance of this Agreement and each other agreement or instrument entered into or to be entered into by RandH pursuant to this Agreement (a) have
the requisite approval of all governmental bodies, if any; (b) will not violate any judgment, order, law, regulation, or contract applicable to RandH or any provisions of RandH’s charter or bylaws and (c) do not conflict with,
constitute a default under or except as specifically created hereby, result in the creation of any lien, charge, encumbrance or security interest upon any assets of RandH under any agreement or interest to which RandH is a party or by which RandH or
its assets may be bound or affected. 

  

	 	3.	This Agreement and each other agreement or instrument entered into by RandH pursuant to this Agreement, when entered into, will have been duly authorized, executed and delivered by
RandH; this Agreement and each other agreement or instrument entered into or to be entered into by RandH pursuant to this Agreement constitute legal, valid and binding obligations of RandH enforceable in accordance with their terms.

  

 10 

	 	4.	There is no action or proceeding pending or, to the knowledge of RandH, threatened against or affecting RandH which challenges the validity of this Agreement or any other agreements
contemplated hereby; seeks to enjoin the performance by RandH of its obligations hereunder or, which if determined adversely, would affect the financial condition of RandH, or the ability of RandH to perform its obligations under this Agreement.

 A. Representations and Warranties of BW 
  

	 	1.	BW is a corporation duly organized and existing in good standing under the laws of the State of Delaware and has the power, authority and legal right to enter into and perform its
obligations under this Agreement and each other agreement or instrument entered into or to be entered into by BW pursuant to this Agreement. 

  

	 	2.	The execution, delivery and performance of this Agreement and each other agreement or instrument entered into or to be entered into by BW pursuant to this Agreement (a) have
the requisite approval of all governmental bodies, if any; (b) will not violate any judgment, order, law, regulation, or contract applicable to BW or any provisions of BW’s charter or bylaws and (c) do not conflict with, constitute a
default under or except as specifically created hereby, result in the creation of any lien, charge, encumbrance or security interest upon any assets of BW under any agreement or interest to which BW is a party or by which BW or its assets may be
bound or affected. 

  

	 	3.	This Agreement and each other agreement or instrument entered into by BW pursuant to this Agreement, when entered into, will have been duly authorized, executed and delivered by BW;
this Agreement and each other agreement or instrument entered into or to be entered into by BW pursuant to this Agreement constitute legal, valid and binding obligations of BW enforceable in accordance with their terms. 

  

	 	4.	There is no action or proceeding pending or, to the knowledge of BW, threatened against or affecting BW which challenges the validity of this Agreement or any other agreements
contemplated hereby; seeks to enjoin the performance by BW of its obligations hereunder or, which if determined adversely, would affect the financial condition of BW, or the ability of BW to perform its obligations under this Agreement.

 XIII. DISPUTE RESOLUTION 
  

	A.	Appointment of Designated Negotiator 

  

	 	1.	The AEC will endeavor in good faith to reach agreement on all material matters relating to the Alliance. If, despite such efforts, the AEC cannot reach such agreement, either Party
can invoke the dispute resolution procedures described in this Section XIII by delivering to the other Party a written notice to that effect. 

  

	 	2.	Within [***] after receipt of a notice from a Party invoking these procedures, an executive from each Party that is not a member of the AEC (the “Designated Negotiator”)
will attend negotiations to resolve the matter in dispute (the “Disputed Matter”). The Designated Negotiators of each Party shall meet not later than the [***] following the delivery of the notice referred to in the preceding paragraph and
shall negotiate in good faith to resolve the Disputed Matter. 

  

	B.	Referral to Non-Binding Mediation 

  

	 	1.	If the Disputed Matter has not been resolved within a period of [***] from the first meeting of the Designated Negotiators, then either Party may refer the Disputed Matter to
non-binding mediation in accordance with the Center for Public Resources Mediation Procedure then currently in effect. 

  
  

	***	Certain information on this page has been omitted and filed separately with the Commission. Confidential treatment has been requested with respect to the omitted portions.

  

 11 

	 	2.	The expenses of any mediation shall be [***]. The Parties shall cooperate fully with the mediator’s attempt to achieve a negotiated resolution of the dispute; it being
understood, however, that the mediator shall not have the power to impose any resolution on the Parties and the mediation shall be non-binding in nature. 

  

	 	3.	The mediator shall be required to so declare if, at any time, he feels the attempt to achieve a negotiated resolution of the dispute is at an impasse. Such declaration shall be
delivered simultaneously to each Party. 

  

	C.	Litigation  

  

	 	1.	In any litigation arising in connection with this Agreement, to the extent permissible by law, the Parties agree to waive jury trial and to submit to the federal jurisdiction in the
United States District Court for the District of Delaware. 

  

	D.	Additional Provisions 

  

	 	1.	The provisions of this Section XIII shall in no way limit the Parties’ ability to seek injunctive relief. 

  

	 	2.	The provisions of this Section XIII shall survive the termination of this Agreement. 

 XIV. AUDIT 
 As of the first anniversary of the Effective Date and each year during the Term
thereafter, each Party shall have the right to have the other Party’s pertinent records relating to this Agreement examined by a third party including, but not limited to, an independent accountant chosen and paid for by the Party requesting
the examination, for the purpose of determining compliance with the terms and conditions of this Agreement or the accuracy of books and records pertaining to the other Party’s activities pursuant to this Agreement. Such examination shall be
conducted during normal business hours. To the extent reasonably possible, examinations shall be scheduled at a time most convenient to the Party being examined. Except as required by law, the third-parties employed by the Party seeking the
examination shall not disclose to anyone except such Party the result of such examination, but shall not disclose to the Party seeking the examinations any Proprietary Information of the other Party except to the extent necessary for the
verification required by this paragraph. The Parties will work in good faith to resolve any discrepancies identified by any such examination. 
 XV.
MISCELLANEOUS PROVISIONS 
  

	A.	Force Majeure. If the performance of a Party hereunder, other than performance related to making payments when due, is delayed or prevented at any time because of
circumstances beyond the reasonable control of the Party, including, without limitation, those resulting from, labor disputes, fire, floods, riots, civil disturbances, weather conditions, control exercised by a governmental entity, casualties or
acts of God or a public enemy, the performance shall be excused until such condition no longer exists. 

  

	B.	Governing Law. This Agreement shall be governed by and construed under and pursuant to the laws of the State of Delaware exclusive of laws relating to conflicts of law.

  

	C.	Integration. This Agreement and it exhibits and attachments constitute the entire agreement between the Parties with respect to the subject matter hereof and supersedes all
previous proposals, both oral and written, negotiations, representations, commitments, writings, agreements, and all other communications between the parties. This Agreement may not be released, discharged, changed or modified other than in
accordance with its terms except by an instrument in writing signed by a duly authorized representative of each of the Parties hereto. 

  
  

	***	Certain information on this page has been omitted and filed separately with the Commission. Confidential treatment has been requested with respect to the omitted portions.

  

 12 

	D.	Headings. The headings and captions used in this Agreement are intended and shall for all purpose be deemed to be for convenience only and shall have no force or effect
whatsoever in the interpretation of this Agreement. 

  

	E.	Assignment. Subject to Section IX, neither Party may assign this Agreement without the prior written consent of the other Party, such consent not to be unreasonably withheld
or declared. 

  

	F.	Counterparts. This Agreement may be executed in two or more counterparts all of which shall be deemed originals for all purposes. 

  

	G.	Severability. If any provision of this Agreement or the application of any such provision is invalid, illegal or unenforceable in any jurisdiction, such invalidity,
illegality or unenforceability shall not affect any other provision of this Agreement or invalidate or render unenforceable such provision in any other jurisdiction. In the event that any provision of this Agreement shall be finally determined by a
court of competent jurisdiction to be unenforceable such court shall have jurisdiction to reform this Agreement so that it is enforceable to the maximum extent permitted by law and the Parties shall abide by such court’s determination. If such
provision cannot be reformed, such provision shall be deemed to be severed from this Agreement, but every other provision of this Agreement shall remain in full force and effect. 

  

	H.	Notices. All notices, requests, demands and other communications required or permitted under this Agreement shall be deemed to have been duly given and made if in writing and
served either by personal delivery to the Party for whom it is intended or three days after being deposited postage prepaid, certified or registered mail, return receipt requested (or such form of mail as may be substituted therefor by postal
authorities), in the United States mail, Federal Express or similar express courier service, bearing the address shown in this Agreement for, or such other address as may be designated in writing hereafter by such Party: 

  

			
	If to BW:	  	Basin Water Inc.
		  	8731 Prestige Court
		  	Rancho Cucamonga, CA 91730
		
		  	Attention: President & COO Michael M. Stark
		  	        General Counsel Scott B. Hamilton
		
	If to RandH:	  	Rohm and Haas Chemicals LLC
		  	100 Independence Mall West
		  	Philadelphia, PA 19003
		
		  	Attention: Global General Manager
		  	        Ion Exchange Resin Business

  

	I.	No Waiver. The failure of either Party to enforce at any time any of the provisions of this Agreement, or the failure to require at any time performance by the other Party of
any of the provisions of this Agreement, shall in no way be construed to be a present or future waiver of such provisions, nor in any way affect the ability of either Party to enforce each and every such provision thereafter. The express waiver by
either Party of any provision, condition or requirement of this Agreement shall not constitute a waiver of any future obligation to comply with such provision, condition or requirement. 

  

	J.	Relationship. In performing its duties and obligations hereunder, each Party shall at all times act in the capacity of an independent contractor, and shall not in any respect
be deemed (or act as) an agent, partner or joint venturer of the other Party for any purpose or reason whatsoever. 

  

 13 

			
	Rohm and Haas Chemicals LLC	    	Basin Water Inc.
		
	 /s/    GUILLERMO NOVO
	    	 /s/    MICHAEL M. STARK

	Guillermo Novo	    	Michael M. Stark
	 Vice President
 Process Chemicals and Biocides
	    	President & COO
		
	 /s/    KIM ANN MINK
	    	
	 Kim Ann Mink
 Vice President
 Global General Manager
 Ion Exchange Resins
	    	

  

 14 

 EXHIBIT A 
 MODEL JOINT DEVELOPMENT PROJECT AGREEMENT 
 Per the Alliance Agreement between Rohm and Haas
Chemicals LLC (“RandH”) and Basin Water Inc. (“BW”) with an Effective Date of November 14, 2007 (the “Agreement”), this Exhibit specifies the terms and conditions of the Joint Development Project described below.
This Exhibit is incorporated in and made a part of the Agreement. 
  

	A.	General Provisions 

  

	 	1.	Agreement Type: 

	 	2.	Territory: 

	 	3.	Term: 

	 	4.	Market: 

  

	B.	Specific Provisions 

  

	 	1.	Technology Development 

  

	 	2.	Commercial Terms: 

 AGREED: 
  

			
	  
	    	  

	Alliance Executive Committee Member	    	Alliance Executive Committee Member
	Rohm and Haas Chemicals LLC	    	Basin Water Inc.

  

 15

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