Document:

EX-10.11

 Exhibit 10.11 
 EMPLOYMENT AGREEMENT 
 EMPLOYMENT AGREEMENT (this
“Agreement”) is dated as of April 17, 2013, by and between Hannon Armstrong Sustainable Infrastructure Capital, Inc., a Maryland corporation (the “Company”), and Marvin R. Wooten, residing at the address set
forth in the Company’s records (the “Executive”). 
 WHEREAS, Hannon Armstrong Capital, LLC, the entity
through which the Company was operating its business (“Hannon Armstrong”), and the Executive have previously entered into that certain Employment Agreement dated October 1, 2010, under which the Executive was employed as
Managing Director (the “Prior Employment Agreement”); and 
 WHEREAS, in connection with the initial public
offering of the Company (the “Company’s IPO”), the Company will engage in a series of transactions that will enable the Company to qualify as a real estate investment trust for U.S. federal income tax purposes and will result
in Hannon Armstrong becoming a subsidiary of the Company (collectively, the “Formation Transactions”); and 

WHEREAS, the Company wishes to offer employment to the Executive, and the Executive wishes to accept such offer on the terms set forth
below, to be effective as of the completion of the Company’s IPO and the Formation Transactions, at which time the Prior Employment Agreement will automatically terminate and this Agreement will become in effect; and 

WHEREAS, the Company and the Executive are entering into an Indemnification Agreement (the “Indemnification Agreement”)
simultaneously herewith. 
 NOW THEREFORE, in consideration of the mutual covenants contained herein and for other good and
valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 
 1.
Term. The Company hereby employs the Executive, and the Executive hereby accepts such employment, for an initial term commencing as of the date on which the Company’s IPO and the Formation Transactions are consummated (the
“Commencement Date”) and continuing for a four-year 

 
period (the “Initial Term”), unless sooner terminated in accordance with the provisions of Section 4 or Section 5; with such employment to automatically continue
following the Initial Term for additional successive one-year periods (each, a “Subsequent Term”) in accordance with the terms of this Agreement (subject to termination as aforesaid) unless either party notifies the other party in
writing of its intention not to continue such employment at least 90 days prior to the expiration of the Initial Term or any Subsequent Term, as applicable (the Initial Term, together with all Subsequent Terms hereunder, shall hereinafter be
referred to as the “Term”). 
 2. Duties. During the Term, the Executive shall be employed by the
Company as Executive Vice President of the Company, and, as such, The Executive shall faithfully perform for the Company the duties of such office and shall have such responsibilities and authority as are customary for an Executive Vice President
employed by a public company of similar size and nature and shall report directly to the Chief Executive Officer of the Company (the “CEO”). The Executive shall devote substantially all of the Executive’s business time and
effort to the performance of the Executive’s duties hereunder; provided, however, that the Executive shall be permitted to continue service as set forth in Exhibit A and, subject to the approval of the Board of Directors of the
Company (the “Board”), the Executive may serve on the board of directors or trustees of any business corporation or charitable organization and such service shall not be a violation of this Agreement, provided that such other
activities do not materially interfere with the performance of the Executive’s duties hereunder. 
 3. Compensation.

 3.1 Salary. The Company shall pay the Executive during the Term a salary at the minimum rate of $285,000 per annum, in
accordance with the customary payroll practices of the Company applicable to senior executives from time to time. The CEO shall make recommendations to the Compensation Committee of the Board (the “Compensation Committee”) with
respect to Executive’s Annual Salary on an annual basis and the Compensation Committee shall review such recommendation and provide for any increase as it shall determine in its sole discretion (such annual salary, the “Annual
Salary”). Once increased, the Annual Salary shall not thereafter be decreased. 

 3.2 Bonus. For the Company’s 2013 fiscal year, the Executive shall be eligible
to receive a cash bonus with a target amount equal to 70% of Executive’s Annual Salary (the “2013 Bonus”), subject to satisfaction of Company performance measures as determined in the sole discretion of the Compensation
Committee. For each fiscal year during the Term following the 2013 fiscal year, the Executive shall be eligible to receive a cash bonus with a target amount equal to at least 125% of Executive’s Annual Salary, subject to satisfaction of both
Company and individual performance goals as determined by the Compensation Committee (each, an “Annual Bonus”). The 2013 Bonus and Annual Bonuses shall be paid in the fiscal year following the fiscal year for which such bonuses are
awarded, but in all events shall be paid no later than March 15 of such following fiscal year. 
 3.3 Benefits - In
General. Except with respect to benefits of a type otherwise provided for under Section 3.4, the Executive shall be permitted during the Term to participate in any group life, hospitalization and disability insurance plans, health programs,
equity incentive plans, longterm incentive programs, 401(k) and other retirement plans, fringe benefit programs and similar benefits that may be available (currently or in the future) to other senior executives of the Company generally, in each case
to the extent that the Executive is eligible under the terms of such plans or programs. 
 3.4 Vacation. Without limiting
the generality of Section 3.3, the Executive shall be entitled to paid vacation of 20 business days per year (to be taken at reasonable times in accordance with the Company’s policies). 

3.5 Equity Incentive Compensation. (a) On the Commencement Date, the Executive shall be granted an award
(the “Initial Award”) consisting of 43,714 shares of restricted stock under the Company’s 2013 equity incentive plan (the “Equity Incentive Plan”) and the respective award agreement (the “Award
Agreement”). The restricted stock granted on the Commencement Date will vest based on continued service in four (4) equal annual installments following the Commencement Date, with the final tranche vesting on the 4th anniversary of the Commencement Date. Dividends will be paid to
Executive on vested and unvested shares of restricted stock if and when dividends are paid to holders of Company common stock generally. Following the Company’s 2013 Fiscal Year, the Executive shall be

 
eligible for regular annual grants of restricted stock, stock options or other awards under the Equity Incentive Plan on such terms and in such amounts (if any) as may be determined by the
Compensation Committee in its sole discretion. All (x) stock option, restricted stock and other stock-settled equity-based awards granted to Executive shall provide to Executive the right to direct the Company or an affiliate to satisfy the
minimum statutory tax withholding obligations arising with respect to such awards by withholding from the shares that would otherwise be delivered such number of shares having a fair market value equal to such minimum statutory tax withholding
obligation and (y) stock options granted to Executive shall permit the Executive to “net exercise” the stock options by directing the Company to withhold from the number of shares that would otherwise be issued upon exercise of the
stock option such number of shares having a fair market value as of the date of exercise equal to the exercise price of the option (or portion thereof that the Executive has elected to net exercise). (b) Upon the effective date of a Change in
Control (as defined below), all of the Executive’s outstanding shares of restricted stock or other stock-based compensation shall vest in full and become free of restrictions. 

3.6 Expenses. The Company shall promptly pay or reimburse the Executive for all ordinary and reasonable out-of-pocket expenses actually
incurred (and, in the case of reimbursement, paid) by the Executive during the Term in the performance of the Executive’s services under this Agreement; provided that the Executive documents such expenses with the properly completed forms as
prescribed from time to time by the Company in accordance with the Company’s policies, plans and programs. 
 4.
Termination upon Death or Disability. If the Executive dies during the Term, the Executive’s employment shall terminate effective as of the date of death. If there is a good faith determination by the Board that the Executive has become
physically or mentally incapable of performing the Executive’s duties under this Agreement and such disability has disabled the Executive for a cumulative period of 180 days within any 12-month period (a “Disability”), the
Company shall have the right after such determination and passage of time, to the extent permitted by law, to terminate the employment of the Executive upon notice in writing to the Executive. 

4.1 Compensation due to Death. Upon the effective date of termination of employment due to death, (i) the Executive’s estate or

 
beneficiaries shall be entitled to receive, in a lump sum payment (subject to Section 7.16 of this Agreement) within 30 days following the effective date of Executive’s termination of
employment equal to: (x) Annual Salary, Annual Bonus, and other benefits earned and accrued under this Agreement but not yet paid prior to the effective date of termination (and reimbursement under this Agreement for expenses incurred prior to
the date of termination) (the “Accrued Benefits”) and (y) a pro rata (based on the number of days employed up to the effective date of termination in the applicable fiscal year) target Annual Bonus for the fiscal year in which
Executive’s termination occurs, calculated based on actual results for such fiscal year, paid at the time that the Annual Bonus would otherwise be paid in accordance with Section 3.2 hereof; (ii) for a period of 24 months after the
effective date of termination of employment, such continuing medical benefits under the Company’s health plans and programs applicable to senior executives of the Company generally as the Executive and the Executive’s eligible
beneficiaries would have received under this Agreement (and at such costs to the Executive or the Executive’s estate, as applicable) in the absence of such termination (but not taking into account any post-termination increases in Annual Salary
that may otherwise have occurred without regard to such termination and that may have favorably affected such benefits) (or, if such continuation of subsidized coverage would violate Section 105(h) of the Code, the Company will make monthly
payments to the Executive in an amount so that after payment of taxes on the payments, the Executive retains an amount equal to the monthly premium he is required to pay to continue the coverage); (iii) the Executive’s estate or
beneficiaries shall be entitled to receive the death benefits provided under any group insurance plan offered by the Company; and (iv) with respect to (x) the Initial Award, all outstanding shares of restricted stock shall vest and become
free of restrictions and (y) with respect to any outstanding unvested equity-based awards other than the Initial Award, a pro rata portion (based on the number of days until death over 365) of any shares that would have vested for the year of
Executive’s death shall vest and become free of restrictions and be exercisable in accordance with their terms, and any remaining portion of such awards shall be forfeited unless otherwise provided in an applicable award agreement, or as
otherwise agreed by the Company. 

 4.2 Compensation due to Disability. Upon the effective date of termination of employment due
to Disability (i) the Executive shall be entitled to receive, in a lump sum payment (subject to Section 7.16 of this Agreement) within 30 days following the effective date of Executive’s termination of employment equal to: (x) the
Accrued Benefits and (y) the target Annual Bonus for the fiscal year in which Executive’s termination occurs, calculated based on actual results for such fiscal year, paid at the time that the Annual Bonus would otherwise be paid in
accordance with Section 3.2 hereof; (ii) for a period of 24 months after the effective date of termination of employment, such continuing medical benefits under the Company’s health plans and programs applicable to senior executives
of the Company generally as the Executive and the Executive’s eligible beneficiaries would have received under this Agreement (and at such costs to the Executive or the Executive’s estate, as applicable) in the absence of such termination
(but not taking into account any post-termination increases in Annual Salary that may otherwise have occurred without regard to such termination and that may have favorably affected such benefits) (or, if such continuation of subsidized coverage
would violate Section 105(h) of the Code, the Company will make monthly payments to the Executive in an amount so that after payment of taxes on the payments, the Executive retains an amount equal to the monthly premium that the Executive is
required to pay to continue the coverage); (iii) the Executive, or the Executive’s estate or beneficiaries shall be entitled to receive the disability benefits provided under any group insurance plan offered by the Company; and
(iv) with respect to (x) the Initial Award, all outstanding shares of restricted stock shall vest and become free of restrictions and (y) with respect to any outstanding unvested equity-based awards other than the Initial Award, a pro
rata portion (based on the number of days until Disability over 365) of any shares that would have vested for the year of Disability shall vest and become free of restrictions and be exercisable in accordance with their terms, and any remaining
portion of such awards shall be forfeited unless otherwise provided in an applicable award agreement, or as otherwise agreed by the Company. 

 5. Certain Terminations of Employment. 

5.1 Termination by the Company for Cause; Termination by the Executive without Good Reason. 

(a) For purposes of this Agreement, “Cause” shall mean, the Executive’s: 

(i) commission of, and indictment for or formal admission to, a felony involving moral turpitude, deceit, dishonesty or fraud (but
excluding traffic violations); (ii) willful and material misconduct or gross misconduct in connection with the performance of the Executive’s duties, including, without limitation, embezzlement or the misappropriation of funds or property
of the Company; (iii) failure to adhere to the lawful directions of the CEO, to adhere to the Company’s policies and practices or, as required in Section 2 hereof, to devote substantially all of the Executive’s business time and
efforts to the Company, which failure continues for a period of 30 business days after written demand for corrective action is delivered by the Company; or (iv) material breach of (x) any covenant contained in Section 6 of this
Agreement; or (y) the other terms and provisions of this Agreement and, in each case, failure to cure such breach within 10 days following written notice from the Company specifying such breach; 

provided, that the Company shall not be permitted to terminate the Executive for Cause except on written notice given to the Executive at any time
within 30 days following the occurrence of any of the events described above (or, if later, the Company’s knowledge thereof). 
 (b) The Company may terminate the Executive’s employment hereunder for Cause, and the Executive may terminate the Executive’s employment on at least 30 days’ written notice. If the Company
terminates the Executive for Cause, or the Executive terminates the Executive’s employment and the termination by the Executive is not covered by Section 4 or 5.2, the Executive shall receive the Accrued Benefits in a lump sum payment
(subject to Section 7.16 of this Agreement) within 30 days following Executive’s termination of employment. 
 5.2
Termination by the Company without Cause; Termination by the Executive for Good Reason; Expiration/Non-Renewal by the Company. 
 (a) For purposes of this Agreement, “Good Reason” shall mean the following, unless consented to by the Executive: 
 (i) any change in job title or material diminution in the Executive’s roles and responsibilities from those set forth in this Agreement (including, without limitation, the assignment of duties
materially inconsistent with Executive’s position) that cause a reduction in the Executive’s Annual Salary or Annual Bonus potential; 
 (ii) a material reduction in the Executive’s Annual Salary or Annual Bonus potential; 
 (iii) a relocation of the Company’s headquarters outside a 30 mile radius of Annapolis, MD or moving of the Executive’s office or place of performance from the Company’s headquarters;
or 
 (iv) a material breach by the Company of this Agreement or any other material agreement between the Executive and the
Company. Notwithstanding the foregoing, following a Change in Control, the definition of “Good Reason” as set forth above shall be modified to delete all references to 

 
the term “material” (namely, in Section 5.2(a)(i), Section 5.2(a)(ii) and Section 5.2(a)(iv)), and the definition of “Good Reason” shall otherwise remain in
effect as provided herein. Furthermore, (x) Good Reason shall not be deemed to exist unless written notice of termination on account thereof is given by the Executive no later than 60 days after the time at which the event or condition
purportedly giving rise to Good Reason first occurs or arises (or, if later, the Executive’s knowledge thereof); and (y) if there exists (without regard to this clause (y)) an event or condition that constitutes Good Reason (pursuant to
Section 5.2(a)(i), Section 5.2(a)(ii) or Section 5.2(a)(iv), the Company shall have 30 days from the date written notice of such a termination is given by the Executive to cure such event or condition and, if the Company does so, such
event or condition shall not constitute Good Reason hereunder. 
 (b) The Company may terminate the
Executive’s employment at any time for any reason or no reason. The Executive may terminate the Executive’s employment with the Company at any time for any reason or no reason, and for Good Reason. If (x) the Company terminates the
Executive’s employment and the termination is not covered by Section 4 or 5.1, (y) the Executive terminates the Executive’s employment for Good Reason, or (z) the Executive’s termination of employment results from the
Company’s notice of non-renewal following the Initial Term or any Subsequent Term in accordance with Section 1, then (i) the Executive shall be entitled to receive, in a lump sum payment (subject to Section 7.16 of this
Agreement) on the 30th day following the Executive’s
termination of employment, (A) the Accrued Benefits, and (B) an amount equal to two times the sum of (x) the Executive’s Annual Salary and (y) an amount equal to the greater of (1) the Executive’s average Annual
Bonus actually received in respect of the three fiscal years (or such fewer number of fiscal years with respect to which Executive received an Annual Bonus) prior to the year of termination and (2) the Executive’s target Annual Bonus for
the fiscal year in which such termination of employment occurs; (ii) for a period of 24 months after termination of employment, such continuing medical benefits under the Company’s health plans and programs applicable to senior executives
of the Company generally as the Executive would have received under this Agreement (and at such costs to the Executive) in the absence of such termination (but not taking into account any post-termination increases in Annual Salary that may
otherwise have occurred without regard to such 

 
termination and that may have affected such benefits) (or, if such continuation of subsidized coverage would violate Section 105(h) of the Code, the Company will make monthly payments to the
Executive in an amount so that after payment of taxes on the payments, the Executive retains an amount equal to the monthly premium that the Executive is required to pay to continue the coverage); and (iii) all outstanding equity (or
equity-based) incentives and awards held by the Executive shall thereupon immediately vest and become free of restrictions and all stock options shall be exercisable in accordance with their terms and shall not expire prior to the earlier of the
term of such stock option and the first anniversary after the date of termination (or, in the case of a Change in Control, the earlier of the term of stock option and the third anniversary of the Change in Control). 

(c) Notwithstanding clause 5.2(b)(ii), (i) nothing herein shall restrict the ability of the Company to amend or terminate the
insurance, health and welfare plans and programs referred to in such clause 5.2(b)(ii) from time to time in its sole discretion, provided that any such amendments or termination are made applicable generally on the same terms to all actively
employed senior executives of the Company and does not result in a proportionately greater reduction in the rights of or benefits to the Executive compared with any other officers of the Company, but the Company may not reduce benefits already
earned and accrued by, but not yet paid to, the Executive and (ii) the Company shall in no event be required to provide any benefits otherwise required by such clause 5.2(b)(ii) after such time as the Executive becomes entitled to receive
benefits of the same type and at least as favorable to the Executive from another employer or recipient of the Executive’s services (such entitlement being determined without regard to any individual waivers or other similar arrangements).

 (d) Notwithstanding any other provision of this Agreement, the Company shall not be required to make the payments and provide
the benefits provided for under Section 5.2(b) unless the Executive executes and delivers to the Company a waiver and release substantially in the form attached hereto as Exhibit B and such waiver and release becomes effective and
irrevocable within 21 days following the date of termination; provided, that the Company shall have provided the Executive with such waiver and release within 10 business days following the Executive’s termination of employment.

 (e) For purposes of this Agreement, “Change in Control” shall have the same meaning as prescribed in the
Equity Incentive Plan. 

 (f) No Mitigation. The Company agrees that, if the Executive’s employment is
terminated during the Term, the Executive is not required to seek other employment or to attempt in any way to reduce any amounts payable to the Executive by the Company. 
 6. Covenants of the Executive. 
 6.1 Covenant Against Competition; Other
Covenants. The Executive acknowledges that (i) the principal business of the Company (which expressly includes for purposes of this Section 6 (and any related enforcement provisions hereof), its successors and assigns) is to provide
debt and equity financing for sustainable infrastructure projects that increase energy efficiency, provide cleaner energy sources, positively impact the environment and make more efficient use of natural resources (such businesses, and any and all
other businesses in which, at the time of the Executive’s termination, the Company is actively and regularly engaged or actively pursuing, herein being collectively referred to as the “Business”); (ii) the Company is one
of the limited number of persons who have developed such a business; (iii) the Company’s Business is national in scope; (iv) the Executive’s work for the Company has given and will continue to give him access to the confidential
affairs and proprietary information of the Company; (v) the covenants and agreements of the Executive contained in this Section 6 are essential to the business and goodwill of the Company; and (vi) the Company would not have entered
into this Agreement but for the covenants and agreements set forth in this Section 6. Accordingly, the Executive covenants and agrees that: 
 (a) By and in consideration of the salary and benefits to be provided by the Company hereunder, including the severance arrangements set forth herein, and further in consideration of the Executive’s
exposure to the proprietary information of the Company, the Executive covenants and agrees that, during the period commencing on the date hereof and ending 12 months following the date upon which the Executive shall cease to be an employee of the
Company and its affiliates (the “Restricted Period”), the Executive shall not in the Restricted Territory (as defined below), directly or indirectly, whether as an owner, partner, shareholder, principal, agent, employee, consultant
or in any other relationship or capacity, (i) engage in the Business (other than for the Company or its affiliates) or 

 
otherwise compete with the Company or its subsidiaries in the Business or (ii) render to a person, corporation, partnership or other entity engaged in the Business the same services that the
Executive renders to the Company; provided, however, that, notwithstanding the foregoing, (A) the Executive may invest in securities of any entity, solely for investment purposes and without participating in the business thereof,
if (x) such securities are listed on any national securities exchange, (y) the Executive is not a controlling person of, or a member of a group which controls, such entity, and (z) the Executive does not, directly or indirectly, own
5% or more of any class of securities of such entity; and (B) the Executive may continue to serve on any board of directors on which the Executive was serving as of the date of the Executive’s termination of employment; and (C) the
Executive may be employed by or provide services for a company (a “Conglomerate”) with multiple lines of businesses, including a line of business competitive with the Company, so long as the following conditions are satisfied: (w) the
Conglomerate derives less than ten percent (10%) of its total annual revenue from the line of business that is competitive with the Company (the “Competitive Division”), (x) the Executive is employed by or provides services to a
line of business of Conglomerate that is not competitive with the Company; and (y) the Executive does not perform services for the Competitive Division; and (z) the Executive (A) provides the Company with advance notice of such
employment or service and (B) informs the Conglomerate in writing of its obligations under this Section 6. For purposes of this Agreement, the “Restricted Territory” shall mean any (i) state in the United States and
(ii) foreign country or jurisdiction, in the case of clause (i) or (ii), in which the Company (x) is actively conducting the Business during the Term or (y) has initiated a plan adopted by the Board to conduct the Business in the
two years following the Term. 
 (b) During and after the Term, the Executive shall keep secret and retain in strictest
confidence, and shall not use for the Executive’s benefit or the benefit of others, except in connection with the business and affairs of the Company and its affiliates, all non-public confidential matters relating to the Company’s
Business and the business of any of its affiliates and to the Company and any of its affiliates, learned by the Executive heretofore or hereafter directly or indirectly from the Company or any of its affiliates (the “Confidential Company
Information”), and shall not disclose such Confidential Company Information to anyone outside 

 
of the Company except in the course of the Executive’s duties or with the CEO’s express written consent. Confidential Company Information does not include information which is at the
time of receipt or thereafter becomes publicly known through no wrongful act of the Executive or is received from a third party not under an obligation to keep such information confidential and without breach of this Agreement or which is
independently developed or obtained by the Executive on the Executive’s own time without reliance upon any confidential information of the Company or use of any Company resources. Notwithstanding anything in this agreement to the contrary, the
Executive may disclose Confidential Company Information where the Executive is required to do so by law, regulation, court order, subpoena, summons or other valid legal process; provided, that the Executive, so long as legally permitted to do
so, first (i) promptly notifies the Company, (ii) uses commercially reasonable efforts to consult with the Company with respect to and in advance of the disclosure thereof, and (iii) reasonably cooperates with the Company to narrow
the scope of the disclosure required to be made, in each case, solely at the Company’s expense. 
 (c) During the
Restricted Period, the Executive shall not, without the Company’s prior written consent, directly or indirectly, (i) solicit or encourage to leave the employment or other service of the Company or any of its subsidiaries, any person or
entity who is or was during the 6-month period preceding the Executive’s termination of employment, an employee, agent or independent contractor of the Company or any of its subsidiaries. During the Restricted Period, the Executive shall not,
whether for the Executive’s own account or for the account of any other person, firm, corporation or other business organization, solicit for a competing business or intentionally interfere with the Company’s or any of its
subsidiaries’ relationship with, or endeavor to entice away from the Company for a competing business, any person who is or was during the 6-month period preceding the Executive’s termination of employment, a customer, client, agent, or
independent contractor of the Company or any of its subsidiaries. For purposes hereof, “customer” and “client,” as such terms relate to government customers, mean the program office to which the Company is or was
providing any goods or services as of the date hereof or during the one-year period prior to the date hereof. 

 (d) All memoranda, notes, lists, records, property and any other tangible product and
documents (and all copies thereof), whether visually perceptible, machine-readable or otherwise, made, produced or compiled by the Executive or made available to the Executive containing Confidential Company Information (i) shall at all times
be the property of the Company (and, as applicable, any affiliates) and shall be delivered to the Company at any time upon its request, and (ii) upon the Executive’s termination of employment, shall be promptly returned to the Company.
This section shall not apply to materials that the Executive possessed prior to the Executive’s business relationship with the Company, to the Executive’s personal effects and documents, and to materials prepared by the Executive for the
purposes of seeking legal or other professional advice. 
 (e) At no time during the Executive’s employment by the Company
or at any time thereafter shall the Executive or any representative of the Company publish any statement or make any statement under circumstances reasonably likely to become public that is critical of the other party, or in any way otherwise be
materially injurious to the Business or reputation of the other party, unless otherwise required by applicable law or regulation or by judicial order. 
 6.2 Rights and Remedies upon Breach. 
 (a) The parties hereto acknowledge
and agree that any breach of any of the provisions of Section 6.1 or any subparts thereof (individually or collectively, the “Restrictive Covenants”) may result in irreparable injury and damage for which money damages would not
provide an adequate remedy. Therefore, if either party breaches, or threatens to commit a breach of, any of the provisions of Section 6.1 or any subpart thereof, the other party and its affiliates, in addition to, and not in lieu of, any other
rights and remedies available to the other party and its affiliates under law or in equity (including, without limitation, the recovery of damages), shall have the right and remedy to seek to have the Restrictive Covenants or other obligations
herein specifically enforced (without posting bond and without the need to prove damages) by any court having equity jurisdiction, including, without limitation, the right to seek an entry of restraining orders and injunctions (preliminary,
mandatory, temporary and permanent) against violations, whether or not then continuing, of such covenants. 

 (b) The Executive agrees that the provisions of Section 6.1 of this Agreement and each
subsection thereof are reasonably necessary for the protection of the Company’s legitimate business interests and if enforced, will not prevent the Executive from obtaining gainful employment should the Executive’s employment with the
Company end. The Executive agrees that in any action seeking specific performance or other equitable relief, the Executive will not assert or contend that any of the provisions of this Section 6 are unreasonable or otherwise unenforceable as
drafted. The existence of any claim or cause of action by the Executive, whether predicated on this Agreement or otherwise, shall not constitute a defense to the enforcement of the Restrictive Covenants. 

7. Other Provisions. 
 7.1 Severability. The Executive acknowledges and agrees that (i) the Executive has had an opportunity to seek advice of counsel in connection with this Agreement and (ii) the Restrictive
Covenants are reasonable in geographical and temporal scope and in all other respects as drafted. If it is determined that any of the provisions of this Agreement, including, without limitation, any of the Restrictive Covenants, or any part thereof,
is invalid or unenforceable, the remainder of the provisions of this Agreement shall not thereby be affected and shall be given full effect, without regard to the invalid portions. 

7.2 Duration and Scope of Covenants. If any court or other decision-maker of competent jurisdiction determines that any of the
Executive’s covenants contained in this Agreement, including, without limitation, any of the Restrictive Covenants, or any part thereof, is unenforceable because of the duration or geographical scope of such provision, then the duration or
scope of such provision, as the case may be, shall be reduced so that such provision becomes enforceable and, in its reduced form, such provision shall then be enforceable and shall be enforced. 

7.3 Enforceability; Jurisdiction; Arbitration. 
 (a) The Company and the Executive intend to and hereby confer jurisdiction to enforce the Restrictive Covenants set forth in Section 6 upon the courts of any jurisdiction within the geographical
scope of the Restrictive Covenants. If the courts of any one or more of such jurisdictions 

 
hold the Restrictive Covenants wholly unenforceable by reason of breadth of scope or otherwise it is the intention of the Company and the Executive that such determination not bar or in any way
affect the Company’s right, or the right of any of its affiliates, to the relief provided above in the courts of any other jurisdiction within the geographical scope of such Restrictive Covenants, as to breaches of such Restrictive Covenants in
such other respective jurisdictions, such Restrictive Covenants as they relate to each jurisdiction’s being, for this purpose, severable, diverse and independent covenants, subject, where appropriate, to the doctrine of res judicata. The
parties hereby agree to waive any right to a trial by jury for any and all disputes hereunder (whether or not relating to the Restricted Covenants). 
 (b) Any controversy or claim arising out of or relating to this Agreement or the breach of this Agreement (other than a controversy or claim arising under Section 6, to the extent necessary for the
Company (or its affiliates, where applicable) to avail itself of the rights and remedies referred to in Section 6.2) that is not resolved by the Executive and the Company (or its affiliates, where applicable) shall be submitted to arbitration
in Maryland in accordance with Maryland law and the employment arbitration rules and procedures of the American Arbitration Association, before an arbitrator experienced in employment disputes who is licensed to practice law in the State of
Maryland. The determination of the arbitrator shall be conclusive and binding on the Company (or its affiliates, where applicable) and the Executive and judgment may be entered on the arbitrator(s)’ award in any court having jurisdiction. The
arbitration shall be held in Annapolis, Maryland. 
 7.4 Notices. Any notice or other communication required or permitted
hereunder shall be in writing and shall be delivered personally, sent by facsimile transmission or sent by certified, registered or express mail, or overnight courier, postage prepaid. Any such notice shall be deemed given when so delivered
personally, sent by facsimile transmission or, if mailed, five days after the date of deposit in the United States mails as follows: 
  

	 	(i)	If to the Company, to: 

 Hannon
Armstrong Sustainable Infrastructure Capital, Inc. 
 1906 Towne Centre Blvd 

Suite 370 

Annapolis, Maryland 21401 
 Attention: General Counsel 

 (ii) If to the Executive, to the address in the records of the Company. Any such person may by notice
given in accordance with this Section 7.4 to the other parties hereto designate another address or person for receipt by such person of notices hereunder. 
 7.5 Entire Agreement. This Agreement, together with the Indemnification Agreement and the Award Agreements contain the entire agreement between the parties with respect to the subject matter hereof
and supersedes all prior agreements, written or oral, with respect thereto, including, without limitation, the Prior Employment Agreement. 
 7.6 Waivers and Amendments. This Agreement may be amended, superseded, canceled, renewed or extended, and the terms hereof may be waived, only by a written instrument signed by the parties or, in
the case of a waiver, by the party waiving compliance. Except as expressly provided herein, no delay on the part of any party in exercising any right, power or privilege hereunder shall operate as a waiver thereof, nor shall any waiver on the part
of any party of any such right, power or privilege nor any single or partial exercise of any such right, power or privilege, preclude any other or further exercise thereof or the exercise of any other such right, power or privilege. 

7.7 GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF MARYLAND
WITHOUT REGARD TO ANY PRINCIPLES OF CONFLICTS OF LAW WHICH COULD CAUSE THE APPLICATION OF THE LAWS OF ANY JURISDICTION OTHER THAN THE STATE OF MARYLAND. 
 7.8 Assignment. This Agreement, and the Executive’s rights and obligations hereunder, may not be assigned by the Executive; any purported assignment by the Executive in violation hereof
shall be null and void. Except as otherwise provided by operation of law, in the event of any sale, transfer or other disposition of all or substantially all of the Company’s assets or business, whether by merger, consolidation or otherwise,
the Company may assign this Agreement and its rights hereunder, provided that the successor or purchaser agrees, as a condition of such transaction, to assume all of the Company’s obligations hereunder. 

 7.9 Withholding. The Company shall be entitled to withhold from any payments or
deemed payments any amount of tax withholding it determines to be required by law. 
 7.10 Binding Effect. This Agreement
shall be binding upon and inure to the benefit of the parties and their respective successors, permitted assigns, heirs, executors and legal representatives. 
 7.11 Counterparts. This Agreement may be executed by the parties hereto in separate counterparts, each of which when so executed and delivered shall be an original but all such counterparts
together shall constitute one and the same instrument. Each counterpart may consist of two copies hereof each signed by one of the parties hereto. 
 7.12 Survival. Anything contained in this Agreement to the contrary notwithstanding, the provisions of Sections 4, 5, 6, and 7, shall survive any termination of the Executive’s employment
hereunder and continue in full force until performance of the obligations thereunder, if any, in accordance with their respective terms. 
 7.13 Existing Agreements. The Executive represents to the Company that the Executive is not subject or a party to any employment or consulting agreement, non-competition covenant or other
agreement, covenant or understanding which might prohibit the Executive from executing this Agreement or limit the Executive’s ability to fulfill the Executive’s responsibilities hereunder. 

7.14 Headings. The headings in this Agreement are for reference only and shall not affect the interpretation of this Agreement.

 7.15 Parachute Payments. If there is a change in ownership or control of the Company that would cause any payment or
distribution by the Company or any other person or entity to the Executive or for the Executive’s benefit (whether paid or payable or distributed or distributable pursuant to the terms of this Agreement or otherwise) (a
“Payment”) to be subject to the excise tax imposed by Section 4999 of the Internal Revenue Code of 1986, as amended (the “Code”) (such excise tax, together with any interest or penalties incurred by the
Executive with respect to such excise tax, the “Excise Tax”), then the Executive will receive the greatest of the following, whichever gives the Executive the highest net after-tax amount (after taking into account federal, state,
local and social 

 
security taxes): (a) the Payments or (b) one dollar less than the amount of the Payments that would subject the Executive to the Excise Tax (the “Safe Harbor Amount”).
If a reduction in the Payments is necessary so that the Payments equal the Safe Harbor Amount and none of the Payments constitutes non-qualified deferred compensation (within the meaning of Section 409A of the Code), then the reduction shall
occur in the manner the Executive elects in writing prior to the date of payment. If any Payment constitutes non-qualified deferred compensation or if the Executive fails to elect an order, then the Payments to be reduced will be determined in a
manner which has the least economic cost to the Executive and, to the extent the economic cost is equivalent, will be reduced in the inverse order of when payment would have been made to the Executive, until the reduction is achieved. All
determinations required to be made under this Section 7.15, including whether and when the Safe Harbor Amount is required and the amount of the reduction of the Payments and the assumptions to be utilized in arriving at such determination,
shall be made by a certified public accounting firm designated by the Company (the “Accounting Firm”). All fees and expenses of the Accounting Firm shall be borne solely by the Company. Any determination by the Accounting Firm shall
be binding upon Company and the Executive. 
 7.16 Section 409A Compliance. Any payments under this Agreement that
are deemed to be deferred compensation subject to the requirements of Section 409A of the Code are intended to comply with the requirements of Section 409A and this Agreement shall be interpreted accordingly. To this end and
notwithstanding any other provision of this Agreement to the contrary, if at the time of the Executive’s termination of employment with the Company, (i) the Company’s securities are publicly traded on an established securities market;
(ii) Executive is a “specified employee” (as defined in Section 409A); and (iii) the deferral of the commencement of any payments or benefits otherwise payable pursuant to this Agreement as a result of such termination of
employment is necessary in order to prevent any accelerated or additional tax under Section 409A, then the Company will defer the commencement of such payments (without any reduction in amount ultimately paid or provided to the Executive) that
are not paid within the short-term deferral rule under Section 409A (and any regulations thereunder) or within the “involuntary separation” exemption of Treasury Regulation § 1.409A-1(b)(9)(iii). Such deferral shall last

 
until the date that is six months following the Executive’s termination of employment with the Company (or the earliest date as is permitted under Section 409A). Any amounts the payment
of which are so deferred shall be paid in a lump sum payment within 10 days after the end of such deferral period. If the Executive dies during the deferral period prior to the payment of any deferred amount, then the unpaid deferred amount shall be
paid to the personal representative of the Executive’s estate within 60 days after the date of the Executive’s death. For purposes of Section 409A, the Executive’s right to receive installment payments pursuant to this Agreement
including, without limitation, each COBRA (Consolidated Omnibus Budget Reconciliation Act) continuation reimbursement shall be treated as a right to receive a series of separate and distinct payments. The Executive will be deemed to have a date of
termination for purposes of determining the timing of any payments or benefits hereunder that are classified as deferred compensation only upon a “separation from service” within the meaning of Section 409A. Any amount that the
Executive is entitled to be reimbursed under this Agreement will be reimbursed to the Executive as promptly as practical and in any event not later than the last day of the calendar year after the calendar year in which the expenses are incurred,
any right to reimbursement or in kind benefits will not be subject to liquidation or exchange for another benefit, and the amount of the expenses eligible for reimbursement during any taxable year will not affect the amount of expenses eligible for
reimbursement in any other taxable year. Whenever a payment under this Agreement specifies a payment period with reference to a number of days (e.g., “payment shall be made within 30 days following the date of termination”), the actual
date of payment within the specified period shall be within the sole discretion of the Company. 
 The parties agree to consider
any amendments or modifications to this Agreement or any other compensation arrangement between the parties, as reasonably requested by the other party, that is necessary to cause such agreement or arrangement to comply with Section 409A (or an
exception thereto), provided that such proposed amendment or modification does not change the economics of the agreement or arrangement and does not provide for any additional cost to either party. Notwithstanding the foregoing, the parties will not
be obligated to make any amendment or modification and the Company makes no representation or warranty with respect to compliance with Section 409A and shall have no liability to the Executive or any other person if any provision of this
Agreement or such other arrangement are determined to constitute deferred compensation subject to Section 409A that does not satisfy an exemption from, or the conditions of, such Section. 

[remainder of the page left purposefully blank] 

 IN WITNESS WHEREOF, the parties hereto have signed their names as of the day and year first
above written. 
  

			
	HANNON ARMSTRONG SUSTAINABLE INFRASTRUCTURE CAPITAL, INC.
		
	 By:
	 	 /s/ Jeffrey W. Eckel

		 	 Name: Jeffrey W. Eckel

Title:   President and Chief Officer

	
	MARVIN R. WOOTEN
	
	 /s/ Marvin R. Wooten

 EXHIBIT A 
 [Purposefully Left Blank] 

 EXHIBIT B Form of Waiver and Release 

This Waiver and General Release of all Claims (this “Agreement”) is entered into by [    ] (the
“Executive”) and Hannon Armstrong Sustainable Infrastructure Capital, Inc., a Maryland corporation (the “Company”), effective as of [DATE] (the “Effective Date”). 

In consideration of the promises set forth in the Employment Agreement between the Executive and the Company, dated
[            ], 2013 (the “Employment Agreement”), the Executive and the Company agree as follows: 
 1. General Releases and Waivers of Claims. 
 (a) Executive’s
Release of Company. In consideration of the payments and benefits provided to the Executive under Section 5.2(b) of the Employment Agreement and after consultation with counsel, the Executive (or the Executive’s estate, as applicable)
hereby irrevocably and unconditionally releases and forever discharges the Company and its past, present and future parent entities, subsidiaries, divisions, affiliates and related business entities, any of its or their successors and assigns,
assets, employee benefit plans or funds, and any of its or their respective past, present and/or future directors, officers, fiduciaries, agents, trustees, administrators, managers, supervisors, stockholders, employees and assigns, whether acting on
behalf of the Company or in their individual capacities (collectively, “Company Parties”) from any and all claims, actions, causes of action, rights, judgments, obligations, damages, demands, accountings or liabilities of whatever
kind or character (collectively, “Claims”), including, without limitation, any Claims under any federal, state, local or foreign law, that the Executive (or the Executive’s estate, as applicable) may have, or in the future may
possess, arising out of the Executive’s employment relationship with and service as an employee, officer or director of the Company, and the termination of such relationship or service; provided, however, that the Executive (or
the Executive’s estate, as applicable) does not release, discharge or waive (A) any rights to payments and benefits provided under the Employment Agreement, (B) any right the Executive (or the Executive’s

 
estate, as applicable) may have to enforce this Agreement, the Award Agreements or the Employment Agreement, (C) the Executive’s rights under the Indemnification Agreement and rights to
indemnification and advancement of expenses in accordance with the Company’s certificate of incorporation, bylaws or other corporate governance document, or any applicable insurance policy, (D) any claims for benefits under any employee
benefit or pension plan of the Company Parties subject to the terms and conditions of such plan and applicable law including, without limitation, any such claims under the Employee Retirement Income Security Act of 1974, or (E) any right or
claim that the Executive (or the Executive’s estate, as applicable) may have to obtain contributions as permitted by applicable law in an action in which both the Executive on the one hand or any Company Party on the other hand are held jointly
liable. 
 (b) Executive’s Specific Release of ADEA Claims. In further consideration of the payments and benefits
provided to the Executive under Section 5.2(b) of the Employment Agreement, the Executive hereby unconditionally release and forever discharge the Company Parties from any and all Claims that the Executive may have as of the date the Executive
signs this Agreement arising under the Federal Age Discrimination in Employment Act of 1967, as amended, and the applicable rules and regulations promulgated thereunder (“ADEA”). By signing this Agreement, the Executive hereby
acknowledges and confirms the following: (i) the Executive was advised by the Company in connection with the Executive’s termination to consult with an attorney of the Executive’s choice prior to signing this Agreement and to have
such attorney explain to the Executive the terms of this Agreement, including, without limitation, the terms relating to the Executive’s release of claims arising under ADEA, and the Executive has been given the opportunity to do so;
(ii) the Executive was given a period of not fewer than 21 days to consider the terms of this Agreement and to consult with an attorney of the Executive’s choosing with respect thereto; and (iii) the Executive knowingly and
voluntarily accepts the terms of this Agreement. The Executive also understands that the Executive has seven days following the date on which the Executive signs this Agreement within which to revoke the release contained in this paragraph, by
providing the Company a written notice of the Executive’s revocation of the release and waiver contained in this paragraph. 

 (c) No Assignment. The Executive (or the Executive’s estate, as applicable)
represents and warrants that the Executive (or the Executive’s estate, as applicable) has not assigned any of the Claims being released under this Agreement. 
 2. Waiver of Relief. The Executive (or the Executive’s estate, as applicable) acknowledges and agrees that by virtue of the foregoing, the Executive (or the Executive’s estate, as
applicable) has waived any relief available to him/it (including without limitation, monetary damages and equitable relief, and reinstatement) under any of the Claims waived in paragraph 2. Therefore the Executive (or the Executive’s estate, as
applicable) agrees that he/it will not accept any award or settlement from any source or proceeding (including but not limited to any proceeding brought by any other person or by any government agency) with respect to any Claim or right waived in
this Agreement. Nothing in this Agreement shall be construed to prevent the Executive (or the Executive’s estate, as applicable) from cooperating with or participating in an investigation conducted by, any governmental agency, to the extent
required or permitted by law. 
 3. Severability Clause. In the event any provision or part of this Agreement is found to
be invalid or unenforceable, only that particular provision or part so found, and not the entire Agreement, will be inoperative. 
 4. Non-admission. Nothing contained in this Agreement will be deemed or construed as an admission of wrongdoing or liability on the part of the Company or any other Company Party or the Executive.

 5. Governing Law. All matters affecting this Agreement, including the validity thereof, are to be governed by, and
interpreted and construed in accordance with, the laws of the State of Maryland applicable to contracts executed in and to be performed in that State. 
 6. Arbitration. Any dispute or controversy arising under or in connection with this Agreement shall be resolved in accordance with Section 7.3 of the Employment Agreement. 

7. Notices. All notices or communications hereunder shall be made in accordance with Section 7.4 of the Employment Agreement.

 THE EXECUTIVE (OR THE EXECUTIVE’S ESTATE, AS APPLICABLE) ACKNOWLEDGES THAT THE EXECUTIVE HAS READ
THIS AGREEMENT AND THAT HE/IT FULLY KNOWS, UNDERSTANDS AND APPRECIATES ITS CONTENTS, AND THAT HE/IT HEREBY EXECUTES THE SAME AND MAKES THIS AGREEMENT AND THE RELEASE AND AGREEMENTS PROVIDED FOR HEREIN VOLUNTARILY AND OF HIS/ITS OWN FREE WILL.

  

	
	MARVIN R. WOOTEN
	
	 /s/ Marvin R. Wooten

	
	Date: April 17, 2013

 HANNON ARMSTRONG SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. 

 

					
	By:	 	 /s/ Jeffrey W. Eckel

		 	Name:	 	Jeffrey W. Eckel
		 	Title:	 	President and Chief Executive OfficerEX-10.12

 Exhibit 10.12 
 HANNON ARMSTRONG SUSTAINABLE INFRASTRUCTURE CAPITAL, INC., 
 HA MERGER
SUB I LLC, 
 HA MERGER SUB III LLC, 
 MISSIONPOINT HA PARALLEL FUND, LLC, 
 MISSIONPOINT ES PARALLEL FUND I,
L.P., 
 MISSIONPOINT HA PARALLEL FUND I CORP. 

AND 

MISSIONPOINT HA PARALLEL FUND, L.P. 
  

 
 AGREEMENT AND
PLAN OF MERGER 
  
  

 CONTENTS 

 

							
	Clause	  	 	  	Page	 
		
	 Article I Definitions
	  	 	3	  
			
	 Section 1.01.
	  	 Definitions.
	  	 	3	  
			
	 Section 1.02.
	  	 Rules of Application.
	  	 	7	  
		
	 Article II The Mergers
	  	 	7	  
			
	 Section 2.01.
	  	 Effect of the Mergers.
	  	 	7	  
			
	 Section 2.02.
	  	 Closing Date.
	  	 	8	  
			
	 Section 2.03.
	  	 Effects of the Mergers on Merging Entity Equity Interests and Merger Sub Membership Interests.
	  	 	8	  
			
	 Section 2.04.
	  	 Merger Consideration.
	  	 	8	  
			
	 Section 2.05.
	  	 Termination.
	  	 	9	  
			
	 Section 2.06.
	  	 Tax Treatment.
	  	 	9	  
			
	 Section 2.07.
	  	 Tax Withholding.
	  	 	9	  
			
	 Section 2.08.
	  	 Officers and Directors.
	  	 	9	  
		
	 Article III Conditions and Covenants
	  	 	9	  
			
	 Section 3.01.
	  	 Conditions to the Obligations of the Parent and the Merger Subs.
	  	 	9	  
			
	 Section 3.02.
	  	 Conditions to the Obligations of the Merging Entity and the Owner.
	  	 	10	  
			
	 Section 3.03.
	  	 Covenants of the Owner.
	  	 	11	  
			
	 Section 3.04.
	  	 Covenants of the Merging Entity.
	  	 	12	  
			
	 Section 3.05.
	  	 Covenants of the Splitter Partnership.
	  	 	13	  
		
	 Article IV Representations and Warranties
	  	 	13	  
			
	 Section 4.01.
	  	 Representations and Warranties of the Owner.
	  	 	13	  
			
	 Section 4.02.
	  	 Representations and Warranties of the Parent.
	  	 	17	  
			
	 Section 4.03.
	  	 Representations and Warranties of Merger Sub I.
	  	 	19	  
		
	 Article V Defaults and Remedies
	  	 	19	  
			
	 Section 5.01.
	  	 Default by the Merging Entity or the Owner.
	  	 	19	  
		
	 Article VI TAX MATTERS
	  	 	20	  
			
	 Section 6.01.
	  	 Tax Returns.
	  	 	20	  
			
	 Section 6.02.
	  	 Tax Sharing.
	  	 	20	  
			
	 Section 6.03.
	  	 Cooperation on Tax Matters.
	  	 	20	  
			
	 Section 6.04.
	  	 Special Tax Indemnity.
	  	 	20	  
			
	 Section 6.05.
	  	 Survival.
	  	 	22	  

  
 - i -

							
		
	 Article VII Indemnification
	  	 	22	  
			
	 Section 7.01.
	  	 Indemnification.
	  	 	22	  
			
	 Section 7.02.
	  	 Method of Asserting Claims.
	  	 	22	  
			
	 Section 7.03.
	  	 Survival.
	  	 	23	  
			
	 Section 7.04.
	  	 Waiver of Claims.
	  	 	23	  
			
	 Section 7.05.
	  	 Character of Indemnity Payments.
	  	 	23	  
		
	 Article VIII Miscellaneous
	  	 	23	  
			
	 Section 8.01.
	  	 Marketing.
	  	 	23	  
			
	 Section 8.02.
	  	 Entire Agreement; No Amendment.
	  	 	24	  
			
	 Section 8.03.
	  	 Certain Expenses.
	  	 	24	  
			
	 Section 8.04.
	  	 Transfer Taxes.
	  	 	24	  
			
	 Section 8.05.
	  	 Notices.
	  	 	24	  
			
	 Section 8.06.
	  	 No Assignment.
	  	 	25	  
			
	 Section 8.07.
	  	 Governing Law.
	  	 	25	  
			
	 Section 8.08.
	  	 Multiple Counterparts.
	  	 	25	  
			
	 Section 8.09.
	  	 Further Assurances.
	  	 	25	  
			
	 Section 8.10.
	  	 Miscellaneous.
	  	 	25	  
			
	 Section 8.11.
	  	 Invalid Provisions.
	  	 	25	  
			
	 Section 8.12.
	  	 Attorneys’ Fees.
	  	 	26	  
			
	 Section 8.13.
	  	 Waiver of Jury Trial.
	  	 	26	  

  
 - ii -

 THIS AGREEMENT AND PLAN OF MERGER (this “Agreement”) is dated as of
April 15, 2013, by and among HANNON ARMSTRONG SUSTAINABLE INFRASTRUCTURE CAPITAL, INC., a Maryland corporation (the “Parent”), HA MERGER SUB I LLC, a Delaware limited liability company and a wholly owned
subsidiary of the Parent (the “Merger Sub I”), HA MERGER SUB III LLC, a Maryland limited liability company and a wholly owned subsidiary of the Parent (the “Upstream Merger Sub” and, together with the Merger
Sub I, the “Merger Subs”), MISSIONPOINT HA PARALLEL FUND, LLC, a Delaware limited liability company (the “Owner”), MISSIONPOINT ES PARALLEL FUND I, L.P., a Delaware limited liability partnership (the
“ES Partnership”), MISSIONPOINT HA PARALLEL FUND I CORP., a Delaware corporation (the “Merging Entity”), and MISSIONPOINT HA PARALLEL FUND, L.P., a Delaware limited liability partnership (the
“Splitter Partnership”). 
 W I T N E S S E T H: 

WHEREAS, prior to the Closing Date (as defined herein), the Merging Entity owned a certain number of Series A Participating
Preferred Units and/or Class A Common Units (collectively, the “LLC Equity Interests”) of Hannon Armstrong Capital LLC, a Maryland limited liability company (“Hannon LLC”) indirectly through its limited partner
interest in the Splitter Partnership; 
 WHEREAS, the Owner indirectly holds outstanding equity interests of ES
Partnership, which directly holds equity interests in HA ES Development LLC (“Energysource”), as a result of the distribution of such interests out of Hannon LLC in December 2012 (such distribution, the “Energysource
Distribution”); 
 WHEREAS, prior to the Closing Date, the Splitter Partnership shall distribute the LLC Equity
Interests to the Merging Entity; 
 WHEREAS, the parties to this Agreement intend that Merger Sub I be merged with and
into the Merging Entity, with the Merging Entity surviving that merger, as a wholly owned subsidiary of the Parent, on the terms and subject to the conditions set forth herein (the “First Merger”), immediately followed by a merger
of the Merging Entity into Upstream Merger Sub, with Upstream Merger Sub surviving that merger, as a wholly owned subsidiary of the Parent, on the terms and subject to the conditions set forth herein (the “Second Merger” and,
together with the First Merger, the “Mergers”); 
 WHEREAS, in the First Merger, upon the terms and
subject to the conditions of this Agreement, all of the outstanding shares of stock of the Merging Entity (the “Merging Entity Equity Interests”) will be cancelled and converted into the right to receive, without interest, 381,893
shares of the Parent’s common stock, $0.01 par value per share (the “Common Stock”), adjusted proportionally for any stock dividends, stock splits, reverse stock splits or similar transactions entered into or made by the Parent
between the date of this Agreement and the Closing Date (as defined herein) (the “Merger Consideration”), with the understanding that no fractional shares will be issued and no cash will be paid in lieu of fractional shares;

 WHEREAS, the board of directors of the Merging Entity has (a) determined that it
is in the best interests of the Merging Entity, and declared it advisable, to enter into this Agreement; (b) directed that this Agreement and the Mergers be submitted to the stockholders of the Merging Entity for consideration; and
(c) approved the Mergers and the execution, delivery and performance of this Agreement and the consummation of the transactions contemplated hereby, including the Mergers; 

WHEREAS, the stockholder of the Merging Entity has approved this Agreement and the Mergers; 

WHEREAS, following the closing of the Mergers, the Parent intends to contribute its ownership interest in Upstream Merger Sub to
Hannon Armstrong Sustainable Infrastructure, L.P., a Delaware limited liability partnership (the “Operating Partnership”), in exchange for a certain number of operating partnership units in the Operating Partnership and Fund III (as
defined herein) will contribute its interest in Hannon LLC to the Operating Partnership pursuant to the Contribution Agreement (as defined herein); 
 WHEREAS, following the closing of the Mergers, Upstream Merger Sub intends to adopt and approve an amended and restated limited liability company agreement of Hannon LLC substantially in the form
set forth on Exhibit B of this Agreement to replace the Existing LLC Agreement (as defined herein). 
 WHEREAS, the board
of directors of the Parent has, on the terms and subject to the conditions set forth in this Agreement, approved the Mergers, this Agreement and the consummation of the transactions contemplated hereby; 

WHEREAS, the Parent, in its capacity as the sole member of Merger Sub I, has, on the terms and subject to the conditions set forth
in this Agreement, approved the First Merger, this Agreement and the consummation of the transactions contemplated hereby; 

WHEREAS, the Parent, in its capacity as the sole member of Upstream Merger Sub, has, on the terms and subject to the conditions
set forth in this Agreement, approved the Second Merger, this Agreement and the consummation of the transactions contemplated hereby; 
 WHEREAS, each of the parties hereto has been advised by the other parties and acknowledges that such other parties would not be entering into this Agreement without the representations, warranties
and covenants which are being made and agreed to herein by each party hereto and that such parties are entering into this Agreement in reliance on such representations, warranties and other covenants; and 

NOW, THEREFORE, in consideration for the mutual agreements contained herein and other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 

  
 - 2 -

 ARTICLE I 
 DEFINITIONS 
 Section 1.01. Definitions. The following terms as
used in this Agreement shall have the meanings attributed to them as set forth below unless the context clearly requires another meaning. Other capitalized terms used herein shall, unless the context otherwise requires, have the meanings assigned to
such terms herein. 
 “Accredited Investor” means, for purposes of this Agreement, a Person who qualifies as an
“accredited investor” under Rule 501(a) of Regulation D of the Securities Act and who affirmatively certifies as such on Exhibit A to this Agreement as to the basis for such certification. 

“Affiliate” means, with respect to any Person, any other Person that (a) directly, or indirectly through one or
more intermediaries, owns, Controls, is Controlled by or is under common Control with a specified Person or (b) is a family member of a specified Person; provided, however, that neither the Parent nor either of the Merger Subs
shall be deemed to be an Affiliate of the Merging Entity or any of its subsidiaries or other Affiliates. 

“Agreement” has the meaning set forth in the preamble. 

“Authority” means a governmental body or agency having jurisdiction over such Person. 

“Business Day” means any day except a Saturday, Sunday or other day on which commercial banks in the State of Maryland
are authorized or required by law to close. 
 “Closing” and “Closing Date” have the meanings
set forth in Section 2.02. 
 “Code” means the Internal Revenue Code of 1986, as in effect from time to
time. 
 “Common Stock” has the meaning set forth in the recitals. 

“Contribution Agreement” means that certain Contribution Agreement, dated as of the date hereof, by and between the
Operating Partnership, the Parent and Fund III. 
 “Control” (including the terms “Controlled
by” and “under common Control with”) means, with respect to a Person, the possession, direct or indirect, of the power to direct or cause the direction of the management and policies of such Person, whether through the
ownership of Voting Interests, by contract or otherwise. 
 “Energysource” has the meaning set forth in the
recitals. 
 “Energysource Distribution” has the meaning set forth in the recitals. 

“ES Partnership” has the meaning set forth in the recitals. 

  
 - 3 -

 “Existing Agreements” has the meaning set forth in Section 4.01(e).

 “Existing LLC Agreement” means Hannon LLC’s Third Amended and Restated Operating Agreement, dated as of
April 26, 2010, as amended. 
 “Existing Registration Rights Agreement” means that certain Registration
Rights Agreement, dated as of May 31, 2007, as amended, by and among Hannon LLC and the other parties thereto. 

“First Merger” has the meaning set forth in the recitals. 

“Fund II” means MissionPoint HA Parallel Fund II, LLC. 

“Fund III” means MissionPoint HA Parallel Fund III, LLC. 

“Governmental Authority” means any government or agency, bureau, board, commission, court, department, official,
political subdivision, tribunal or other instrumentality of any government, whether federal, state or local, domestic or foreign. 
 “Hannon LLC” has the meaning set forth in the recitals. 

“Indemnified Parties” means the Parent, the Merger Subs and each of their subsidiaries, equity holders, affiliates,
directors, officers, employees, successors and assigns. 
 “Indemnifying Party” means the Owner. 

“Investor Rights Agreement” means the Investor Rights Agreement, dated as of May 31, 2007, by and among Hannon LLC,
the Splitter Partnership, Jeffrey W. Eckel and the other investors party thereto, as amended. 
 “Laws” means
laws, statutes, rules, regulations, codes, orders, ordinances, judgments, injunctions, decrees and policies of any Governmental Authority. 
 “Liabilities” means liabilities, obligations or commitments of any nature whatsoever, asserted or unasserted, known or unknown, absolute or contingent, accrued or unaccrued, matured or
unmatured or otherwise. 
 “Liens” means any mortgage, pledge, hypothecation, assignment, deposit arrangement,
encumbrance, lien (statutory or other), other charge or security interest or any preferential arrangement of any kind or nature whatsoever (including any conditional sale or other title retention agreement), and any obligations under capital leases
having substantially the same economic effect as any of the foregoing. 
 “LLC Equity Interests” has the
meaning set forth in the recitals. 

  
 - 4 -

 “Loss” or “Losses” means any and all direct claims,
losses, damages, costs, liabilities, fines, penalties, deficiencies, diminution of value, causes of action and expenses, including, without limitation, attorney’s fees and disbursements, and exclusive of all contingent or consequential items.

 “Maryland LLC Act” has the meaning set forth in Section 2.01(b). 

“Merger Consideration” has the meaning set forth in the recitals. 

“Merger Sub I” has the meaning set forth in the preamble. 

“Merger Subs” has the meaning set forth in the preamble. 

“Merger Sub Material Adverse Effect” means any material adverse change in any of the assets, business, condition
(financial or otherwise), results of operation or prospects of Merger Sub I and its subsidiaries taken together. 

“Mergers” has the meaning set forth in the recitals. 

“Merging Entity” has the meaning set forth in the preamble. 

“Merging Entity Equity Interests” has the meaning set forth in the recitals. 

“Merging Entity Material Adverse Effect” means any material adverse change in any of the assets, business, condition
(financial or otherwise), results of operation or prospects of the Merging Entity and its subsidiaries taken together. 

“Operating Partnership” has the meaning set forth in the recitals. 

“Organizational Documents” means (i) the charter, articles of organization, certificate of formation or certificate
of limited partnership for such Person, (ii) the bylaws, operating agreement, limited liability company agreement, or limited partnership agreement for such Person and (iii) any certificate of qualification or foreign entity registration
for such Person (together with all supplements, amendments, modifications, consents and waivers related to any of the foregoing). 
 “Owner” has the meaning set forth in the preamble. 

“Parallel Fund II Merger Agreement” means that certain Agreement and Plan of Merger, dated as of the date hereof, by and
between the Parent, HA Merger Sub II LLC, Upstream Merger Sub, Fund II, MissionPoint ES Parallel Fund II, L.P., MissionPoint HA Parallel Fund II Corp. and MissionPoint HA Parallel Fund, L.P. 

“Parent” has the meaning set forth in the preamble. 

  
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 “Parent Material Adverse Effect” means any material adverse change in any
of the assets, business, condition (financial or otherwise), results of operation or prospects of the Parent and its subsidiaries taken together. 
 “Person” means an individual, partnership, corporation (including a business trust, statutory trust or real estate investment trust), limited liability company, joint stock company,
trust, unincorporated association, joint venture or other entity, or a government or any political subdivision or agency thereof. 
 “Pre-Closing Tax Period” means any Tax period ending on or before the Closing Date. 
 “Registration Rights Agreement” means that certain Registration Rights Agreement, effective as of the Closing Date, by and among the Parent and the persons listed on Schedule I thereto.

 “Second Merger” has the meaning set forth in the recitals. 

“Securities Act” means the Securities Act of 1933, as in effect from time to time, and applicable rules and regulations
thereunder. Any reference herein to a specific section or sections of the Securities Act shall be deemed to include a reference to any corresponding provision of future law. 
 “Splitter Partnership” has the meaning set forth in the preamble. 

“Straddle Period” means any Tax period beginning, but not ending, on or before the Closing Date. 

“Surviving Merging Entity Shares” has the meaning set forth in Section 2.03(b)(i). 

“Tax” means any and all U.S. federal, state, county, local, non-U.S. or other income, gross receipts, license, payroll,
employment, excise, severance, stamp, occupation, premium, windfall profits, environmental, customs duties, capital stock, franchise, profits, withholding, social security (or similar, including FICA), unemployment, disability, real property,
personal property, sales, use, transfer, registration, value added, alternative or add-on minimum, estimated, or other tax of any kind or any charge of any kind in the nature of (or similar to) taxes whatsoever, including any interest, penalty, or
addition thereto, whether disputed or not. 
 “Tax Authority” means any Governmental Authority responsible for
the collection, operation or administration of Taxes. 
 “Tax Group” means any affiliated, consolidated,
combined or other group of which the Merging Entity is or has been a member prior to the Closing Date for purposes of any Tax. 

“Tax Return” means any return, declaration, report, claim for refund or information return or statement relating to
Taxes, including any schedule or attachment thereto, and including any amendment thereof. 

  
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 “Upstream Merger Sub” has the meaning set forth in the preamble.

 “Voting Interests” means, with respect to any Person, ownership interests, the holders of which are
ordinarily, in the absence of contingencies, entitled to vote for the election of directors (or persons performing similar functions) of such Person, even if the right to vote has been suspended by the happening of such a contingency. 

“Waiver Letter” means that certain ownership waiver letter, effective as of the Closing Date, executed by the Parent for
the benefit of the Owner. 
 Section 1.02. Rules of Application. The definitions in Section 1.01 and elsewhere
in this Agreement shall apply equally to both the singular and plural forms of the terms defined. Whenever the context may require, any pronoun used herein shall include the corresponding masculine, feminine and neuter forms. The words
“include,” “includes,” and “including” shall be deemed to be followed by the phrase “without limitation.” The words “herein,” “hereof,” “hereunder,” and similar terms shall refer
to this Agreement, unless the context otherwise requires. 
 ARTICLE II 

THE MERGERS 
 Section 2.01. Effect of the Mergers. 
 (a) On the terms and subject to
the conditions set forth in this Agreement, and in accordance with the Delaware General Corporation Law and the Delaware Limited Liability Company Act, on the Closing Date, (i) Merger Sub I shall merge with and into the Merging Entity and
(ii) the separate existence of Merger Sub I shall cease and the Merging Entity shall continue its existence as the surviving entity in the First Merger and as a wholly owned subsidiary of the Parent under the Delaware General Corporation Law.
Without limiting the generality of the foregoing, and subject thereto, from and after the Closing Date, subject to Section 2.01(b), all property, rights, privileges, immunities, powers, franchises, licenses and authority of Merger Sub I shall
vest in the Merging Entity, and all debts, liabilities, obligations, restrictions and duties of Merger Sub I shall become the debts, liabilities, obligations, restrictions and duties of the Merging Entity. 

(b) On the terms and subject to the conditions set forth in this Agreement, and in accordance with the Delaware General Corporation Law
and the Maryland Limited Liability Company Act (the “Maryland LLC Act”), on the Closing Date and immediately after the steps set forth in Section 2.01(a), (i) the Merging Entity shall merge with and into Upstream Merger
Sub and (ii) the separate existence of the Merging Entity shall cease and Upstream Merger Sub shall continue its existence under the Maryland LLC Act as the surviving entity in the Second Merger and as a wholly owned subsidiary of the Parent
under the Maryland LLC Act. Without limiting the generality of the foregoing, and subject thereto, from and after the Closing Date, all property, rights, privileges, immunities, powers, franchises, licenses and authority of the Merging Entity shall
vest in Upstream Merger Sub, and all debts, liabilities, obligations, restrictions and duties of the Merging Entity shall become the debts, liabilities, obligations, restrictions and duties of Upstream Merger Sub. 

  
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 Section 2.02. Closing Date. Unless this Agreement is sooner terminated or
extended pursuant to its terms or unless otherwise agreed to in writing by the parties hereto, the closing of the transactions contemplated by this Agreement (the “Closing”) shall become effective at such time as (i) the
certificate of merger relating to the First Merger is duly filed with the Secretary of State of the State of Delaware, (ii) the certificate of merger relating to the Second Merger is duly filed with the Secretary of State of the State of
Delaware and (iii) the articles of merger relating to the Second Merger are accepted for record by the State Department of Assessments and Taxation of Maryland, or, in each case, such later date and time, not more than 30 days thereafter, as
the parties hereto may otherwise agree (the “Closing Date”). 
 Section 2.03. Effects of the Mergers on
Merging Entity Equity Interests and Merger Sub Membership Interests. 
 (a) On the terms and subject to the conditions set
forth in this Agreement, the Owner is irrevocably bound to accept and entitled to receive, as a result of and upon consummation of the First Merger, the Merger Consideration. 
 (b) On the Closing Date: 
 (i) by virtue of the First Merger and without any
action on the part of the Parent, Merger Sub I or the Merging Entity, (x) each outstanding Merging Entity Equity Interest shall be cancelled and retired and shall cease to exist and shall be converted into the right to receive the Merger
Consideration in accordance with Section 2.04, which the Parent shall issue and deliver to the Owner immediately upon Closing and each holder (other than the Parent) of a Merging Entity Equity Interest shall no longer have any rights with
respect thereto, except the Owner’s right to receive the Merger Consideration in accordance with this Agreement and (y) the membership interests in Merger Sub I held by the Parent prior to the First Merger shall be converted into and
become, in the aggregate, 100 fully paid and nonassessable shares of common stock of the Merging Entity, representing 100% of the issued and outstanding shares of the surviving corporation (the “Surviving Merging Entity Shares”);
and 
 (ii) upon the consummation of the First Merger, by virtue of the Second Merger and without any action on the part of the
Parent, the Merging Entity or Upstream Merger Sub, (x) each outstanding Surviving Merging Entity Share shall be cancelled and retired and shall cease to exist and no consideration shall be delivered in exchange therefor; and (y) the
membership interests in the Upstream Merger Sub shall remain outstanding without any change or effect and the Parent shall remain as the sole member of Upstream Merger Sub. 
 Section 2.04. Merger Consideration. On the Closing Date, the Parent shall issue and deliver the Merger Consideration to the Owner in electronic book-entry form through the Parent’s
transfer agent in accordance with the terms and conditions of this Agreement. 

  
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 Section 2.05. Termination. Notwithstanding anything to the contrary contained
herein, this Agreement may be terminated at any time prior to the Closing, as follows: 
 (a) by mutual consent of all the
parties; 
 (b) by the Parent, the Merger Subs, the Owner or the Merging Entity if the Closing has not occurred by
December 31, 2013; 
 (c) by the Parent or the Merger Subs if any of the conditions set forth in Section 3.01 have not
been satisfied or waived by the Parent and the Merger Subs; or 
 (d) by the Parent or the Merger Subs pursuant to
Article V. 
 If any party elects to terminate this Agreement pursuant to this Section, then such party shall provide
written notice to the other parties of such election and the reason for terminating this Agreement and the termination of this Agreement shall be effective upon the non-issuing parties’ receipt of the termination notice. 

Section 2.06. Tax Treatment. The parties intend and agree that, taken together, the Mergers, for U.S. federal income tax
purposes, shall, consistent with IRS Revenue Ruling 2001-46, constitute a tax-free reorganization under Section 368(a)(1)(A) of the Code and shall not maintain a position on their respective U.S. federal income tax returns or otherwise that is
inconsistent therewith. 
 Section 2.07. Tax Withholding. Notwithstanding anything in this Agreement to the
contrary, the Parent shall be entitled to deduct and withhold from the Merger Consideration or any other payment made by it under this Agreement such amounts that it reasonably determines, after consultation with the Owner, that it is required to
deduct and withhold under applicable law, and any amounts so deducted and withheld shall be treated for all purposes of this Agreement as having been paid to the Person in respect of which such deduction and withholding was made. 

Section 2.08. Officers and Directors. Unless otherwise determined by the Parent, the managers, directors and officers, if
any, of Upstream Merger Sub in office or position immediately prior to the Closing shall remain in such office or position following the Closing, in each case until their respective successors are duly elected or appointed or until their earlier
death, resignation or removal. 
 ARTICLE III 
 CONDITIONS AND COVENANTS 
 Section 3.01. Conditions to the
Obligations of the Parent and the Merger Subs. The obligation of the Parent and the Merger Subs to consummate the Mergers shall be subject to the satisfaction or waiver by the Parent and the Merger Subs of each of the conditions set forth below
and the performance by the Owner and the Merging Entity of their obligations set forth below and elsewhere in this Agreement: 

(a) Accuracy of Representations and Warranties. The representations and warranties of the Owner contained in Section 4.01
shall be true and correct as of the date of this Agreement and the Closing Date; 

  
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 (b) Owner Compliance. The Owner shall have fully complied with all of its obligations
hereunder required to be performed on or prior to the Closing Date; 
 (c) Merging Entity Compliance. The Merging Entity
shall have fully complied with all of its obligations hereunder required to be performed on or prior to the Closing Date; 
 (d)
Splitter Partnership Compliance. The Splitter Partnership shall have fully complied with all of its obligations hereunder required to be performed on or prior to the Closing Date; 

(e) Initial Public Offering. Other than consummation of the transactions contemplated hereby, all conditions precedent to the
closing of the initial public offering of the Common Stock shall have been satisfied or irrevocably and unconditionally waived; and 
 (f) Certification of Non-Foreign Status. Prior to the Closing, the Owner shall have provided to the Parent a certification in the form contained in Section 1.1445-2(b)(2)(iv) of the Treasury
Regulations to the effect that the Owner is not a “foreign person.” 
 If any of the foregoing conditions have not
been satisfied (or waived by the Parent and the Merger Subs) as of the Closing Date, the Parent and the Merger Subs shall have the right, in accordance with Section 2.05, to terminate this Agreement in full and, except as expressly set forth
elsewhere in this Agreement, no party hereto shall thereafter have any obligation under any provision of this Agreement. 

Section 3.02. Conditions to the Obligations of the Merging Entity and the Owner. The obligation of the Merging Entity and the
Owner to consummate the First Merger shall be subject to the satisfaction or waiver by the Owner of each of the conditions set forth below and the performance by the Parent and the Merger Sub I of their obligations set forth below and elsewhere in
this Agreement: 
 (a) Accuracy of Representations and Warranties. The representations and warranties of the Parent and
Merger Sub I contained in Sections 4.02 and 4.03, respectively, shall be true and correct as of the date of this Agreement and the Closing Date; 
 (b) Registration Rights Agreement. The Parent shall have entered into the Registration Rights Agreement; 
 (c) Initial Public Offering. Other than consummation of the transactions contemplated hereby, all conditions precedent to the closing of the initial public offering of the Common Stock shall have
been satisfied or irrevocably and unconditionally waived other than those in the control of the Owner or the Merging Entity; 

  
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 (d) Waiver Letter. The Parent shall have executed the Waiver Letter; and 

(e) Tax Election. The Parent shall have made an election to treat Merger Sub I as an association taxable as a corporation for U.S.
federal income tax purposes. 
 Section 3.03. Covenants of the Owner. 

(a) Facilitate the Merger. From the date of this Agreement until the earlier to occur of the Closing or the termination of this
Agreement in accordance with the terms set forth in Section 2.05, the Owner shall not take or fail to take, or agree or commit to take or fail to take, any action that would reasonably be expected to, individually or in the aggregate, prevent,
materially delay or materially impede the consummation of the First Merger, the initial public offering of the Common Stock or the other transactions contemplated by this Agreement. 

(b) Hannon LLC Agreement. The Owner shall not take or fail to take, or agree or commit to take or fail to take, any action that
would reasonably be expected to, individually or in the aggregate, prevent, materially delay or materially impede the approval and adoption by Upstream Merger Sub of an amended and restated limited liability company agreement of Hannon LLC
substantially in the form set forth on Exhibit B of this Agreement to replace the Existing LLC Agreement. 
 (c) Investor
Rights Agreement. The Owner shall not take or fail to take, or agree or commit to take or fail to take, any action that would reasonably be expected to, individually or in the aggregate, prevent, materially delay or materially impede the
termination of the Investor Rights Agreement. 
 (d) Initial Public Offering. The Owner hereby irrevocably and
unconditionally waives any consent, condition or other similar right to approve or delay the closing of the initial public offering of the Common Stock. 
 (e) Tax Matters. Without the prior written consent of the Parent, neither the Owner nor the Merging Entity shall, with respect to the Merging Entity, make or change (or permit to be made or
changed) any Tax election, change (or permit to be changed) any annual Tax accounting period, adopt or change any method of Tax accounting, file any amended Tax Return, enter into any closing agreement, settle any Tax claim or assessment, surrender
any right to claim a Tax refund, offset or other reduction in Tax liability, consent to any extension or waiver of the limitations period applicable to any Tax claim or assessment or take or omit to take any other action, if any such action or
omission would be reasonably likely to have the effect of materially increasing the Tax liability of the Merging Entity, any Merger Sub, the Parent, or any Affiliate of the Parent. Prior to the Closing, the Merging Entity shall not make any payment
of, or in respect of, any Tax to any person or any Tax Authority, except to the extent such payment is in respect of a Tax that is due or payable or has been properly estimated in accordance with applicable law as applied in a manner consistent with
past practice. 
 (f) Tax Cooperation. Upon the request of the Parent, the Owner shall cause the Merging Entity and its
officers and authorized signatories to cooperate in the making of an 

  
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election on IRS Form 8875 to treat each of the Merging Entity and Merger Sub I as a taxable REIT subsidiary of the Parent, pursuant to Section 856(l) of the Code, effective as of the
effective time of the First Merger. 
 Section 3.04. Covenants of the Merging Entity. 

(a) Facilitate the Merger. From the date of this Agreement until the earlier to occur of the Closing or the termination of this
Agreement in accordance with the terms set forth in Section 2.05, the Merging Entity shall not take or fail to take, or agree or commit to take or fail to take, any action that would reasonably be expected to, individually or in the aggregate,
prevent, materially delay or materially impede the consummation of the Mergers, the initial public offering of the Common Stock or the other transactions contemplated by this Agreement. 

(b) Hannon LLC Agreement. Effective upon the Closing, the Merging Entity hereby irrevocably and unconditionally (i) consents
to the termination of the Existing LLC Agreement, (ii) waives all rights under the Existing LLC Agreement other than its right to have the Merger Consideration issued and delivered to the Owner and (iii) consents to the approval and
adoption by Upstream Merger Sub of an amended and restated limited liability company agreement of Hannon LLC substantially in the form set forth on Exhibit B of this Agreement to replace the Existing LLC Agreement. 

(c) Investor Rights Agreement. Upon the Closing, the Merging Entity hereby irrevocably and unconditionally consents to the
termination of the Investor Rights Agreement and waives all its rights under the Investor Rights Agreement. 
 (d) Initial
Public Offering. The Merging Entity hereby irrevocably and unconditionally waives any consent, condition or other similar right to approve or delay the closing of the initial public offering of the Common Stock. 

(e) Ownership. From the date of this Agreement until the earlier to occur of the Closing or the termination of this Agreement in
accordance with the terms set forth in Section 2.05, the Merging Entity shall not transfer (or permit to be transferred) its equity interests, and shall not issue additional equity interests. The Merging Entity will not have any outstanding
warrants, options, convertible securities, or any other type of right pursuant to which any person could acquire any of its equity interests. 
 (f) Liabilities. As a result of the transactions contemplated by this Agreement, the Merger Subs will not assume any liability of the Owner, and will not acquire equity interests in the Merging
Entity subject to any liability. 
 (g) Other Transactions. Prior to the consummation of the First Merger, the Merging
Entity will not (i) pay any dividends or make any other distributions with respect to its stock, except for the Energysource Distribution, (ii) sell, encumber, transfer or dispose of any of its assets, (iii) incur, create or assume
any indebtedness, or (iv) take any action that would cause a diminution in the value of its equity interests. 

  
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 Section 3.05. Covenants of the Splitter Partnership. 

(a) Hannon LLC Agreement. Upon the transfer of its ownership interest in the LLC Equity Interests to the Merging Entity, the
Splitter Partnership hereby irrevocably and unconditionally (i) consents to the termination of the Existing LLC Agreement, (ii) waives all rights under the Existing LLC Agreement other than its right to have the Merger Consideration issued
and delivered to the Owner and (iii) consents to the approval and adoption by Upstream Merger Sub of an amended and restated limited liability company agreement of Hannon LLC substantially in the form set forth on Exhibit B of this Agreement to
replace the Existing LLC Agreement. 
 (b) Investor Rights Agreement. Upon the transfer of its ownership interest in the
LLC Equity Interests to the Merging Entity, the Splitter Partnership hereby irrevocably and unconditionally consents to the termination of the Investor Rights Agreement and waives all its rights under the Investor Rights Agreement and the Existing
Registration Rights Agreement. 
 (c) Initial Public Offering. The Splitter Partnership hereby irrevocably and
unconditionally waives any consent, condition or other similar right to approve or delay the closing of the initial public offering of the Common Stock. 
 (d) LLC Equity Interests. Between the date of this Agreement and the Closing Date, the Splitter Partnership shall transfer all of its ownership interest in the LLC Equity Interests to the Merging
Entity. 
 ARTICLE IV 
 REPRESENTATIONS AND WARRANTIES 
 Section 4.01. Representations and
Warranties of the Owner. The Owner hereby represents and warrants to the Parent and the Merger Subs, as of the date of this Agreement and the Closing Date, as follows: 
 (a) Existence and Power. The Merging Entity has been duly formed and validly exists as a corporation under the laws of the State of Delaware. The Merging Entity has all power and authority to enter
into this Agreement, and all other documents to be executed and delivered in connection with the transactions that are the subject of this Agreement, and to perform its obligations in connection with the transactions that are the subject of this
Agreement. The Owner owns all of the outstanding equity interests in the Merging Entity. 
 (b) Authorization; No
Contravention. The execution and delivery of this Agreement by the Merging Entity and the performance of its obligations hereunder have been duly authorized by all requisite corporate action, and all necessary authorizations, consents,
approvals, elections and waivers have been obtained as of the Closing Date. This Agreement constitutes the valid, legal and binding obligations of the Merging Entity, enforceable against the Merging Entity in accordance with its terms, subject to
bankruptcy and similar laws affecting the remedies or resources of creditors generally and principles of equity. The execution and delivery of this Agreement and the consummation of the transactions contemplated herein will not conflict with, or

  
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result in any violation of, or default (with or without notice or lapse of time or both) under, give rise to a right of termination, cancellation or acceleration of, or give any Person the right
to exercise any remedy under, any contractual obligation, under: (i) any agreement, order or decree to which the Merging Entity is a party or such Person is bound or to which any of such Person’s assets are subject, (ii) the
Organizational Documents of the Merging Entity, or (iii) any law applicable to the Merging Entity. Other than the filing of the articles of merger and the certificates of merger with respect to the Mergers in accordance with Section 2.02
hereof and the requisite corporate action, and all necessary authorizations, consents, approvals, elections and waivers that have been obtained, no authorization, approvals or consents from, or registration, declaration or filings with, any lender,
partner, member, shareholder, beneficiary, tenant, creditor, investor, Authority or other Person is required in order for the Merging Entity to execute and deliver this Agreement and consummate the transactions contemplated herein. 

(c) No Injunction. The Merging Entity is not subject to any order, writ, judgment, decree, injunction or settlement that could
reasonably prohibit the transactions contemplated hereby. 
 (d) No Consents. Except for the filing of articles of merger
and the certificates of merger with respect to the Mergers in accordance with Section 2.02 hereof, no consent, waiver, approval, authorization, order, license, permit or registration of, qualification, designation, declaration or filing with,
any Person or Governmental Authority or under any applicable Laws is required to be obtained by the Merging Entity in connection with the execution, delivery and performance of this Agreement and the transactions contemplated hereby and thereby,
except for those consents, waivers, approvals, authorizations, orders, licenses, permits, registrations, qualifications, designations, declarations or filings, the failure of which to obtain or to file would not, individually or in the aggregate,
reasonably be expected to have a Merging Entity Material Adverse Effect. 
 (e) Ownership of the LLC Equity Interests. As
of the Closing Date, the LLC Equity Interests held by the Merging Entity (i) have been, since the Merging Entity’s date of formation, and are the only assets owned by the Merging Entity other than its interests in the Splitter Partnership,
Hannon LLC, MissionPoint HA ES Development Corp. and MissionPoint ES Parallel Fund, L.P. and (ii) except for the Existing LLC Agreement, the Investor Rights Agreement, the Existing Registration Rights Agreement and the Splitter Partnership
Agreement of Limited Partnership (collectively, the “Existing Agreements”) and the obligations pursuant to the Energysource Distribution, are owned free and clear of all Liens, charges, security interests, mortgages, pledges,
options, preemptive rights, rights of first refusal or first offer, proxies, levies, voting trusts or agreements, or other adverse claims or restrictions on title or transfer of any nature whatsoever. Except in connection with the Energysource
Distribution that was completed in December 2012, the Merging Entity has not conducted since it was formed, does not currently conduct, and will not commence conducting, any business operations other than with respect to the continuing direct
ownership of its LLC Equity Interests and consummating the transactions contemplated hereby, including the First Merger. 

  
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 (f) Liabilities. Except for the Existing Agreements and the Energysource
Distribution, since its organization, the Merging Entity has not had any Liabilities and the Merging Entity does not currently have any Liabilities (including as transferee of distributions from the Splitter Partnership). 

(g) Contracts. Except in connection with the Energysource Distribution, since its organization, the Merging Entity has not become
a party to, entered into or became bound by, any contract or other arrangement or understanding except for the Existing Agreements. 
 (h) Tax Matters. 
 (i) The Merging Entity has been, since its date of
formation, and is, treated for U.S. federal income tax purposes as a C corporation, and is a “United States person” (as defined in Section 7701(a)(30) of the Code). 

(ii) All Tax Returns required to be filed with any Tax Authority by or on behalf of the Merging Entity (including, for the avoidance of
doubt, any Tax Return required to be filed with respect to a Tax Group) have been timely filed in accordance with applicable law, and all such Tax Returns were correct and complete. All Taxes of the Merging Entity (whether or not shown as due and
payable on such Tax Returns) have been timely paid to the appropriate Tax Authority. 
 (iii) The Splitter Partnership has
been, from the date of its formation to the date of its termination, treated as a partnership for U.S. federal, state, and local income tax purposes, and does not have any tax liabilities. 

(iv) The Splitter Partnership never, directly or indirectly, held any asset or interest in an entity other than its direct or indirect
equity interests in Hannon LLC, Energysource or MissionPoint ES Parallel Fund, L.P. All Tax Returns of the Splitter Partnership have been filed in a manner consistent with IRS Form 1065 Schedules K-1 and other Tax information the Splitter
Partnership has received from Hannon LLC and Energysource Holdings. 
 (v) No claim has been made in writing by a Tax Authority
that the Merging Entity may be subject to taxation in a jurisdiction where Tax Returns are not filed by or on behalf of the Merging Entity. 
 (vi) No audit or other administrative proceeding is pending or has been threatened in writing, and no judicial proceeding is pending or has been threatened in writing, that involves any Tax or Tax Return
filed or paid by or on behalf of the Merging Entity. No closing agreements or Tax rulings have been requested or received from any Tax Authority with respect to the Merging Entity. 

(vii) The Merging Entity has not been a member of a Tax Group and is not obligated to pay the Taxes of another person by contract, as a
transferee, as a successor or otherwise, including as a result of being a member of a Tax Group. 

  
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 (viii) The Merging Entity has never, directly or indirectly, (a) realized or derived
any item of income or gain or incurred any item of loss or expense other than through direct or indirect equity interests in Hannon LLC or Energysource or the Energysource Distribution, (b) held any asset or interest in an entity other than its
direct or indirect equity interests in Hannon LLC, Energysource, the Splitter Partnership, MissionPoint ES Parallel Fund, L.P. or MissionPoint HA ES Development I Corp. or (c) incurred any indebtedness or other liability other than its share of
the liabilities of Hannon LLC and Energysource. All Tax Returns of the Merging Entity have been filed in a manner consistent with IRS Form 1065 Schedules K-1 and other Tax information the Splitter Partnership has received from Hannon LLC and
Energysource Holdings. 
 (ix) The Merging Entity has not undergone an ownership change for purposes of Section 382 of the
Code, and no net operating loss of the Merging Entity is currently subject to a limitation under Section 382 of the Code or similar provisions of state or local law. 
 (x) The Merging Entity’s shares of common stock represent the only currently outstanding equity interests in the Merging Entity. 

(i) Accredited Investor. The Owner qualifies as an Accredited Investor and has affirmatively certified as such and indicated on
Exhibit A attached hereto the basis for such certification and understands the risks of, and other considerations relating to, the First Merger. The Owner, by reason of its business and financial experience, together with the business and financial
experience of those persons, if any, retained to represent or advise the Owner: 
 (i) has such knowledge, sophistication and
experience in financial and business matters and in making investment decisions of this type that the Owner is capable of evaluating the merits and risks of an investment in the Parent and of making an informed investment decision; 

(ii) is capable of protecting the Owner’s own interest or has engaged representatives or advisors to assist it in protecting such
interests; 
 (iii) is capable of bearing the economic risk of such investment; and 

(iv) in making the Owner’s decision to enter into this Agreement has conducted its own due diligence, has been represented by
competent counsel and financial advisors and has not relied on oral or written advice from the Parent, the Merger Subs or their Affiliates, representatives, or agents or on representations or warranties of the Parent and the Merger Subs other than
those set forth in this Agreement. 
 (j) Investment For Own Account. The Merger Consideration will be acquired for
investment only and not with a view to, or with any intention of, a distribution or resale thereof, in whole or in part, or the grant of any participation therein in violation of the securities laws. 

  
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 (k) Access to Information. The Owner has been afforded: 

(i) the opportunity to ask such questions as the Owner has deemed necessary of, and to receive answers from, representatives of the
Parent concerning the terms and conditions of the issuance and/or delivery of the Merger Consideration; and 
 (ii) access to
information about the Parent and its financial condition and results of operations sufficient to evaluate the Owner’s investment in, or receipt of, the Merger Consideration. 

(l) Unregistered Securities. The Owner understands that: 

(i) the Merger Consideration to be received as contemplated hereunder has not been registered under the Securities Act or state
securities laws by reason of a specific exemption or exemptions from registration under the Securities Act and applicable state securities laws; 
 (ii) the Parent’s reliance on such exemptions is predicated in part on the accuracy and completeness of the representations and warranties of the Owner contained herein; 

(iii) the Merger Consideration cannot be resold unless registered under the Securities Act and applicable state securities laws, or
unless an exemption from registration is available; 
 (iv) there may be no public market for the Merger Consideration;

 (v) because of the restrictions on transfer or assignment of the Merger Consideration to be issued hereunder, the economic
risk of the Merger Consideration issued hereby may need to be borne for an indefinite period of time; and 
 (vi) certificates
(if any) representing the Merger Consideration will bear a legend substantially similar to the following: 
 THE SECURITIES
REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR UNDER ANY STATE SECURITIES LAWS, AND MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION
STATEMENT UNDER THE ACT OR SUCH STATE SECURITIES LAWS OR AN EXEMPTION FROM REGISTRATION THEREUNDER. 
 Section 4.02.
Representations and Warranties of the Parent. The Parent hereby represents and warrants to the Merging Entity, as of the date of this Agreement and the Closing Date, as follows: 

(a) Existence and Power. The Parent has been duly formed and validly exists as a corporation under the laws of the State of
Maryland. The Parent has all power and authority to 

  
 - 17 -

 
enter into this Agreement and all other documents to be executed and delivered in connection with the transactions that are the subject of this Agreement, and to perform its obligations in
connection with the transactions that are the subject of this Agreement. 
 (b) Authorization; No Contravention. The
execution and delivery of this Agreement by the Parent and the performance of its obligations hereunder have been duly authorized by all requisite corporate action, and all necessary authorizations, consents, approvals, elections and waivers have
been obtained as of the Closing Date. This Agreement constitutes the valid, legal and binding obligations of the Parent, enforceable against the Parent in accordance with its terms, subject to bankruptcy and similar laws affecting the remedies or
resources of creditors generally and principles of equity. The execution and delivery of this Agreement and the consummation of the transactions contemplated herein will not conflict with, or result in any violation of, or default (with or without
notice or lapse of time or both) under, give rise to a right of termination, cancellation or acceleration of, or give any Person the right to exercise any remedy under, any contractual obligation, under: (i) any agreement, order or decree to
which the Parent is a party or such Person is bound or to which any of such Person’s assets are subject, (ii) the Organizational Documents of the Parent, or (iii) any law applicable to the Parent. Other than the filing of the articles
of merger and the certificates of merger with respect to the Mergers in accordance with Section 2.02 hereof and as may be required for the consummation of the initial public offering of the Common Stock and the actions to be take in connection
therewith, no authorization, approvals or consents from, or registration, declaration or filings with, any lender, partner, member, stockholder, beneficiary, tenant, creditor, investor, Authority or other Person is required in order for the Parent
to execute and deliver this Agreement and consummate the transactions contemplated herein. 
 (c) No Consents. Except for
the filing of the articles of merger and the certificates of merger with respect to the Mergers in accordance with Section 2.02 hereof and as may be required for the consummation of the initial public offering of the Common Stock and the
actions to be taken in connection therewith, no consent, waiver, approval, authorization, order, license, permit or registration of, qualification, designation, declaration or filing with, any Person or Governmental Authority or under any applicable
Laws is required to be obtained by Parent in connection with the execution, delivery and performance of this Agreement and the transactions contemplated hereby and thereby, except for those consents, waivers, approvals, authorizations, orders,
licenses, permits, registrations, qualifications, designations, declarations or filings, the failure of which to obtain or to file would not, individually or in the aggregate, reasonably be expected to have a Parent Material Adverse Effect.

 (d) Merger Consideration. The Merger Consideration to be issued hereunder has been duly authorized for issuance and,
upon such issuance, will be validly issued, fully paid and nonassessable. 

  
 - 18 -

 Section 4.03. Representations and Warranties of Merger Sub I. Merger Sub I
hereby represents and warrants to the Merging Entity, as of the date of this Agreement and the Closing Date, as follows: 
 (a)
Existence and Power. Merger Sub I has been duly formed and validly exists as a limited liability company under the laws of the State of Delaware. Merger Sub I has all power and authority to enter into this Agreement and all other
documents to be executed and delivered in connection with the transactions that are the subject of this Agreement, and to perform its obligations in connection with the transactions that are the subject of this Agreement. 

(b) Authorization; No Contravention. The execution and delivery of this Agreement by Merger Sub I and the performance of its
obligations hereunder have been duly authorized by all requisite limited liability company action, and all necessary authorizations, consents, approvals, elections and waivers have been obtained as of the Closing Date. This Agreement constitutes the
valid, legal and binding obligations of Merger Sub I, enforceable against Merger Sub I in accordance with its terms, subject to bankruptcy and similar laws affecting the remedies or resources of creditors generally and principles of equity. The
execution and delivery of this Agreement and the consummation of the transactions contemplated herein will not conflict with, or result in any violation of, or default (with or without notice or lapse of time or both) under, give rise to a right of
termination, cancellation or acceleration of, or give any Person the right to exercise any remedy under, any contractual obligation, under: (i) any agreement, order or decree to which Merger Sub I is a party or such Person is bound or to which
any of such Person’s assets are subject, (ii) the Organizational Documents of Merger Sub I, or (iii) any law applicable to Merger Sub I. Other than the filing of the articles of merger and the certificates of merger with respect to
the Mergers in accordance with Section 2.02 hereof, no authorization, approvals or consents from, or registration, declaration or filings with, any lender, partner, member, stockholder, beneficiary, tenant, creditor, investor, Authority or
other Person is required in order for Merger Sub I to execute and deliver this Agreement and consummate the transactions contemplated herein. 
 (c) No Consents. Except for the filing of the articles of merger and the certificates of merger with respect to the Mergers in accordance with Section 2.02 hereof, no consent, waiver,
approval, authorization, order, license, permit or registration of, qualification, designation, declaration or filing with, any Person or Governmental Authority or under any applicable Laws is required to be obtained by Merger Sub I in connection
with the execution, delivery and performance of this Agreement and the transactions contemplated hereby and thereby, except for those consents, waivers, approvals, authorizations, orders, licenses, permits, registrations, qualifications,
designations, declarations or filings, the failure of which to obtain or to file would not, individually or in the aggregate, reasonably be expected to have a Merger Sub Material Adverse Effect. 

ARTICLE V 

DEFAULTS AND REMEDIES 
 Section 5.01. Default by the Merging Entity, the Owner or the Splitter Partnership. If the Closing is not consummated because of a default by the Merging Entity, the Owner or the Splitter
Partnership under this Agreement, then the Parent and the Merger Subs may either (i) seek specific performance of this Agreement by requiring the Merging Entity to assign the LLC Equity Interests to Upstream Merger Sub and in connection
therewith the Owner shall reimburse the Parent 

  
 - 19 -

 
and the Merger Subs for the actual out-of-pocket expenses incurred by the Parent or the Merger Subs in connection with seeking such specific performance, or (ii) terminate this Agreement in
full and, except as expressly set forth elsewhere in this Agreement, no party hereto shall thereafter have any obligation under any provision of this Agreement. 
 ARTICLE VI 
 TAX MATTERS 

Section 6.01. Tax Returns. The Owner shall prepare in accordance with applicable law and timely file any Tax Returns of the
Merging Entity with respect to Pre-Closing Tax Periods. The Owner will provide a copy of any such Tax Return to the Parent for its review and comment at least 15 days prior to filing such Tax Return. In the case of any Tax Return for a Pre-Closing
Tax Period, the Owners shall pay to the relevant Tax Authority the amount of Tax shown as due on such Tax Return no later than 5 days prior to the time such Tax Return is due. 
 Section 6.02. Tax Sharing. Any and all Tax sharing agreements or arrangements to which the Merger Entity is a party shall be terminated as of the Closing Date. After the Closing Date, the
Merging Entity shall not have any further rights or liabilities thereunder. 
 Section 6.03. Cooperation on Tax
Matters. The Parent and the Owner shall cooperate fully, as and to the extent reasonably requested by the other party, in connection with the preparation and filing of any Tax Return and any audit or other proceeding with respect to Taxes. Such
cooperation shall include making employees available on a mutually convenient basis to provide additional information and explanation of any material provided hereunder. The Parent and the Owner agree that for each taxable period first ending after
the Closing Date and for all prior taxable periods until the later of (i) the expiration of the period of limitations for the assessment of Taxes applicable to the relevant taxable periods to which such Tax Returns and other documents relate,
without regard to extensions except to the extent notified by the other party in writing of such extensions for the respective Tax periods (or, if longer, as required by any record retention agreements entered into with any Tax Authority), or
(ii) eight years following the due date (without extension) for such Tax Returns, not to destroy or otherwise dispose of (and to cause their respective Affiliates not to destroy or otherwise dispose of) any books or records with respect to Tax
matters pertinent to the Merging Entity, unless they shall first offer in writing to surrender such books and records to such other party and such other party does not agree in writing to take possession thereof during the 45 day period after such
offer is made. 
 Section 6.04. Special Tax Indemnity. 

(a) Subject to Section 6.05, from and after the Closing Date, ES Partnership shall indemnify the Indemnified Parties and hold them
harmless from and against all liability for any Taxes imposed on or payable by or with respect to the Merging Entity for any Pre-Closing Tax Periods in connection with or as a result of the Energysource Distribution, and any Losses, liabilities,
costs and expenses, including reasonable attorneys’ fees, incurred or arising in connection with or in respect of the assessment, assertion, contest or imposition of a Tax described in this Section 6.04(a)

  
 - 20 -

 
(collectively, a “Special Tax Loss”). ES Partnership’s indemnification obligation pursuant to this Section 6.04 shall be secured by a pledge of its equity interests in
Energysource in accordance with the terms and conditions of a pledge agreement to be entered into between the Parent and ES Partnership. Such pledge agreement shall include mutually acceptable provisions providing for the termination of both the
pledge and ES Partnership’s indemnification obligations under this Agreement upon the Owner or one of its Affiliates agreeing to indemnify the Indemnified Parties in a manner consistent with this section including providing alternative
collateral or other reasonably satisfactory arrangements securing such indemnification obligation. 
 (b) Not later than 30 days
after receipt by the Owner of written notice from the Parent stating that any Special Tax Loss has been incurred by any of the Persons specified in Section 6.04(a) and the amount thereof, ES Partnership shall discharge its indemnification
obligation with respect to such Special Tax Loss by paying to the Parent an amount equal to the amount of such Special Tax Loss. The payment by the Parent or any of the other Persons specified in Section 6.04(a) of any Special Tax Loss shall
not relieve ES Partnership of its obligation under this Section 6.04. 
 (c) The Parent agrees to give prompt notice to the
Owner, with respect to the Merging Entity, of any Special Tax Loss or the assertion of any claim, or the commencement of any suit, action or proceeding in respect of which indemnity may be sought under this Section 6.04 or Section 7.01
(solely with respect to a breach of a representation or warranty in Section 4.01(h)) (a “Tax Proceeding”) and will give the Owner such information with respect thereto as the Owner may reasonably request. The Owner may assume
the defense of any such suit, action or proceeding (including any Tax audit) that relates to a Pre-Closing Tax Period; provided that (x) the Owner shall thereafter consult with the Parent upon the Parent’s reasonable request for such
consultation from time to time with respect to such suit, action or proceeding (including any Tax audit) and (y) the Owner shall not, without the Parent’s consent, agree to any settlement with respect to any Tax if such settlement could
adversely affect the Tax liability of any Indemnified Party (including, effective upon the Closing, the Merging Entity). If the Owner assumes such defense, (i) the Parent shall have the right (but not the duty) to participate in the defense
thereof and to employ counsel, at its own expense, separate from the counsel employed by the Owner and (ii) the Owner shall not assert that the Special Tax Loss, or any portion thereof, with respect to which the Parent seeks indemnification is
not within the ambit of this Section 6.04. For avoidance of doubt, unless and until the Owner notifies the Parent in writing of the Owner’s decision to exercise the control and participation rights described in this Section 6.04(d),
the Parent shall be entitled to take such actions as it decides are reasonable with respect to such suit, action or proceeding, including paying, compromising or contesting the Tax at issue. Whether or not the Owner chooses to defend or prosecute
any claim, all of the parties hereto shall cooperate in the defense or prosecution thereof. 
 (d) Notwithstanding anything to
the contrary in this Agreement, Section 6.04 and not Sections 7.01 and 7.02 shall govern indemnification of the Indemnified Parties in respect of Special Tax Losses and the conduct of Tax Proceedings resulting therefrom. 

  
 - 21 -

 Section 6.05. Survival. This Article VI shall survive until three calendar years
after the Owner’s filing of the Merging Entity’s U.S. federal income tax return for the taxable year that includes the Energysource Distribution. 
 ARTICLE VII 
 INDEMNIFICATION 

Section 7.01. Indemnification. Subject to the limitations provided below, from and after the Closing Date, the Owner agrees
to indemnify, defend and hold harmless each of the Indemnified Parties from and against all Losses that are incurred or suffered by any of them based upon, arising out of, in connection with or by reason of (i) the breach of any of the
representations or warranties of the Owner or the Merging Entity under this Agreement or (ii) any breach by the Owner of its obligations under this Agreement; provided, however, that the maximum aggregate liability of the Indemnifying
Party under this Section 7.01, the Parallel Fund II Merger Agreement and the Contribution Agreement shall not exceed $1,000,000. The Owner’s indemnification obligation pursuant to this Section 7.01 shall be secured by a pledge of the
Merger Consideration in accordance with the terms and conditions of a pledge agreement to be entered into between the Parent and the Owner. 
 Section 7.02. Method of Asserting Claims. All claims for indemnification by any Indemnified Party under this Article VII shall be asserted and resolved as follows: 

(a) If an Indemnified Party intends to seek indemnification under this Article VII, it shall promptly notify the Owner in writing of such
claim. The failure to provide such notice will not affect any rights hereunder except to the extent the Owner is materially prejudiced thereby. 
 (b) If such claim involves a claim by a third-party against the Indemnified Party, the Owner shall, within ten days after receipt of such notice and upon notice to the Indemnified Party, assume, with
counsel reasonably satisfactory to the Indemnified Party, at the sole cost and expense of the Owner, the settlement or defense thereof (in which case any Loss associated therewith shall be the sole responsibility of the Owner), provided that the
Indemnified Party may participate in such settlement or defense through counsel chosen by it. If the Indemnified Party determines in good faith that representation by the Owner’s counsel of (i) the Indemnifying Party and (ii) the
Indemnified Party may present such counsel with a conflict of interest, then the Owner shall pay the reasonable fees and expenses of the Indemnified Party’s counsel. Notwithstanding the foregoing, (i) the Indemnified Party may, at the sole
cost and expense of the Owner, at any time prior to the delivery of the notice referred to in the first sentence of this Section 7.02(b) by the Owner, file any motion, answer or other pleadings or take any other action that the Indemnified
Party reasonably believes to be necessary or appropriate to protect its interests, (ii) the Indemnified Party may take over the control of the defense or settlement of a third-party claim at any time if
it irrevocably waives its right to indemnity under this Article VII with respect to such claim and (iii) the Owner may not, without the consent of the Indemnified Party, settle or compromise any action or consent to the entry of any judgment.
So long as the Owner is contesting any such claim in good faith, the Indemnified Party shall not pay or settle any such claim without the Owner’s 

  
 - 22 -

 
consent, such consent not to be unreasonably withheld. Notwithstanding the foregoing, if the compromise or settlement of a third-party claim could reasonably be expected to adversely affect the
status of the Parent as a real estate investment trust within the meaning of Section 856 of the Code, then the Parent shall make such decision to compromise or settle the third-party claim without the need to obtain the other party’s
consent. If the Owner is not entitled to assume the defense of the claim pursuant to the foregoing provisions or is entitled but does not contest such claim in good faith (including if the Owner does not notify the Indemnified Party of its
assumption of the defense of such claim within the ten-day period set forth above), then the Indemnified Party may conduct and control, through counsel of its own choosing and at the expense of the Owner, the
settlement or defense thereof, and the Owner shall cooperate with it in connection therewith. The failure of the Indemnified Party to participate in, conduct or control such defense shall not relieve the Owner of any obligation it may have
hereunder. Any defense costs required to be paid by the Owner shall be paid as incurred, promptly against delivery of invoices therefor. Notwithstanding the foregoing, any indemnification chosen by a third-party with respect to any breach of a
representation or warranty in Section 4.01(h) shall be governed by Section 6.04(c). 
 Section 7.03.
Survival. This Article VII shall survive until six months following the Closing or the termination of the parties’ obligations to consummate the transactions contemplated by this Agreement. Except as provided otherwise in this
Agreement, all representations and warranties contained in this Agreement shall survive the Closing for a period of one-year and shall not be deemed to be merged into or waived by the instruments of the Closing. 

Section 7.04. Waiver of Claims. Deliverance of the Merger Consideration provided in this Agreement shall serve to waive all
claims against the Parent, the Operating Partnership, the Merger Subs and Hannon LLC. 
 Section 7.05. Character of
Indemnity Payments. The parties agree that any indemnification payments made with respect to this Agreement shall be treated for all Tax purposes as an adjustment to the Merger Consideration, unless otherwise required by law (including by a
determination of a Tax Authority that, under applicable law, is not subject to further review or appeal). If an indemnification payment by law cannot be treated as an adjustment to the Merger Consideration, the Indemnifying Party will pay an amount
to the Indemnified Party that reflects the hypothetical Tax consequences of the receipt or accrual of such indemnification payment, using the maximum applicable statutory rate (or, in the case of an item that affects more than one Tax, rates) of Tax
and reflecting, for example, the effect of deductions available for Taxes such as state and local income Taxes. 
 ARTICLE
VIII 
 MISCELLANEOUS 
 Section 8.01. Marketing. Neither the Owner nor the Merging Entity shall market the LLC Equity Interests for sale or entertain or discuss any offer to purchase or acquire the LLC Equity
Interests with any Person other than the Parent, the Merger Subs and their Affiliates unless this Agreement is terminated in accordance with the terms set forth in Section 2.05. 

  
 - 23 -

 Section 8.02. Entire Agreement; No Amendment. This Agreement and the
Registration Rights Agreement represents the entire agreement among each of the parties hereto with respect to the subject matter hereof. It is expressly understood that no representations, warranties, guarantees or other statements shall be valid
or binding upon a party unless expressly set forth in this Agreement or the Registration Rights Agreement. It is further understood that any prior agreements or understandings between the parties with respect to the subject matter hereof have merged
in this Agreement and the Registration Rights Agreement which fully expresses the entire agreement of the parties hereto as to the subject matter hereof and supersedes all such prior agreements and understandings. This Agreement may not be amended,
modified or otherwise altered except by a written agreement signed by the party hereto against whom enforcement is sought. 

Section 8.03. Certain Expenses. Except as otherwise agreed by the parties herein, each party hereto will pay all of its own
expenses incurred in connection with this Agreement and the transactions contemplated hereby (whether or not the Closing shall take place), including, without limitation, all costs and expenses herein stated to be borne by such party and all of its
respective accounting, legal, investigatory and appraisal fees. 
 Section 8.04. Transfer Taxes. All transfer,
registration, stamp, documentary, sales, use and similar Taxes (including all applicable real estate transfer or gains Taxes and transfer Taxes), any penalties, interest and additions to Tax, and fees incurred in connection with the Mergers shall be
the responsibility of and be timely paid 50% by the Owner, on one hand, and 50% by the Parent, on the other hand. The Owner and the Parent shall cooperate in the timely making of all filings, returns, reports and forms as may be required in
connection therewith. 
 Section 8.05. Notices. All notices and other communications hereunder shall be in writing
and shall be deemed to have been duly given if personally delivered with proof of delivery thereof (any notice or communication so delivered being deemed to have been received at the time delivered), or sent by United States certified mail, return
receipt requested, postage prepaid (any notice or communication so sent being deemed to have been received two Business Days after mailing in the United States), with failure or refusal to accept delivery to constitute delivery for all purposes of
this Agreement, addressed to the respective parties as follows: 
 If to the Owner, Merging Entity or the Splitter Partnership,
to the address listed on the 
 Owner, Merging Entity and Splitter 

Partnership’s signature page to this Agreement. 
 If to the Parent or any Merger Sub, to: 
 Hannon Armstrong Sustainable
Infrastructure Capital, Inc. 
 Attention: Office of the General Counsel 

1906 Towne Centre Blvd 
 Suite 370 
 Annapolis, MD 21401 

with a copy to: 

Jay L. Bernstein 
 Clifford Chance US LLP 
 31 West 52nd Street 

New York, New York 10019 

  
 - 24 -

 Section 8.06. No Assignment. Except as provided in this Section below, neither
this Agreement nor any of the rights or obligations hereunder may be assigned by any party hereto without the prior written consent of the other parties. 
 Section 8.07. Governing Law. This Agreement shall be governed by and construed in accordance with the internal laws of the State of Maryland without giving effect to any choice or conflict of
law provision or rule (whether of the State of Maryland or any other jurisdiction) that would cause the application of laws of any jurisdiction other than those of the State of Maryland. 

Section 8.08. Multiple Counterparts. This Agreement may be executed in multiple counterparts. If so executed, all of such
counterparts shall constitute but one agreement, and, in proving this Agreement, it shall not be necessary to produce or account for more than one such counterpart. To facilitate execution of this Agreement, the parties may execute and exchange by
facsimile or electronic mail PDF copies of counterparts of the signature pages. 
 Section 8.09. Further Assurances.
From and after the date of this Agreement and after the Closing, the parties hereto shall take such further actions and execute and deliver such further documents and instruments as may be reasonably requested by the other parties and are reasonably
necessary to provide to the respective parties hereto the benefits intended to be afforded hereby, including, without limitation, all books and records relating to the LLC Equity Interests. 

Section 8.10. Miscellaneous. Whenever herein the singular number is used, the same shall include the plural, and the plural
shall include the singular where appropriate, and words of any gender shall include the other gender when appropriate. The headings of the Articles and the Sections contained in this Agreement are for convenience only and shall not be taken into
account in determining the meaning of any provision of this Agreement. The words “hereof” and “herein” refer to this entire Agreement and not merely the Section in which such words appear. If the last day for performance of any
obligation hereunder is not a Business Day, then the deadline for such performance or the expiration of the applicable period or date shall be extended to the next Business Day. This Agreement shall be binding upon and inure to the benefit of the
parties hereto and their respective heirs, legal representatives, successors and assigns. The Exhibits attached hereto are hereby incorporated herein and shall be deemed a part of this Agreement. 

Section 8.11. Invalid Provisions. If any provision of this Agreement is held to be illegal, invalid or unenforceable under
present or future laws, such provision shall be fully severable, this Agreement shall be construed and enforced as if such illegal, invalid or unenforceable provision had never comprised a part of this Agreement, and the remaining provisions of this
Agreement shall remain in full force and effect and shall not be affected by the illegal, invalid or unenforceable provision or by its severance from this Agreement. 

  
 - 25 -

 Section 8.12. Attorneys’ Fees. If this Agreement or the transactions
contemplated herein give rise to a lawsuit, arbitration or other legal proceeding between the parties hereto, the prevailing party shall be entitled to recover its costs and reasonable attorney fees in addition to any other judgment of the court or
arbitrator(s). 
 Section 8.13. Waiver of Jury Trial. To the fullest extent permitted by applicable law, the parties
hereto waive trial by jury in any action, proceeding or counterclaim brought by any party(ies) against any other party(ies) on any matter arising out of or in any way connected with this Agreement or the relationship of the parties created
hereunder. 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 

  
 - 26 -

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date
first above written. 
  

							
	HANNON ARMSTRONG SUSTAINABLE INFRASTRUCTURE CAPITAL, INC.
		
	By:	 	 /s/ Jeffrey W. Eckel

		 	Name:	 	Jeffrey W. Eckel
		 	Title:	 	President and Chief Executive Officer

 
									
	
	HA MERGER SUB I LLC
		
	By:	 	Hannon Armstrong Sustainable Infrastructure Capital, Inc., its sole member
				
		 		 	By:	 	 /s/ Jeffrey W. Eckel

		 		 		 	Name:	 	Jeffrey W. Eckel
		 		 		 	Title:	 	President and Chief Executive Officer
	
	HA MERGER SUB III LLC
		
	By:	 	Hannon Armstrong Sustainable Infrastructure Capital, Inc., its sole member
				
		 		 	By:	 	 /s/ Jeffrey W. Eckel

		 		 		 	Name:	 	Jeffrey W. Eckel
		 		 		 	Title:	 	President and Chief Executive Officer

  
 [SIGNATURE
PAGE – HA-MP FUND I MERGER AGREEMENT] 

 IN WITNESS WHEREOF, the undersigned has executed this Agreement as of the date first
above written. 
  

					
	MISSIONPOINT HA PARALLEL FUND, LLC
		
	By:	 	MissionPoint Capital Partners LLC, its Manager
		
	By:	 	 /s/ Jesse Fink

		 	Name:	 	Jesse Fink
		 	Title:	 	Executive Committee Member
		
	By:	 	 /s/ Mark Cirilli

		 	Name:	 	Mark Cirilli
		 	Title:	 	Executive Committee Member

  
 [SIGNATURE
PAGE – HA-MP FUND I MERGER AGREEMENT] 

 
			
	MISSIONPOINT HA PARALLEL FUND I CORP.
		
	By:	 	 /s/ Mark Cirilli

	Name:	 	Mark Cirilli
	Title:	 	President
	
	MISSIONPOINT ES PARALLEL FUND I, L.P.
	
	By: MPCP I GP, LLC, its General Partner
	By: MissionPoint Capital Partners LLC, its Manager
		
	By:	 	 /s/ Jesse Fink

	Name:	 	Jesse Fink
	Title:	 	Executive Committee Member
		
	By:	 	 /s/ Mark Cirilli

	Name:	 	Mark Cirilli
	Title:	 	Executive Committee Member

 
					
	
	MISSIONPOINT HA PARALLEL FUND, L.P.
		
	By:	 	MPCP I GP, LLC, its General Partner
	By:	 	MissionPoint Capital Partners LLC, its Manager
		
	By:	 	 /s/ Jesse Fink

		 	Name:	 	Jesse Fink
		 	Title:	 	Executive Committee Member
		
	By:	 	 /s/ Mark Cirilli

		 	Name:	 	Mark Cirilli
		 	Title:	 	Executive Committee Member

  
 [SIGNATURE
PAGE – HA-MP FUND I MERGER AGREEMENT] 

 EXHIBIT A 

ACCREDITED INVESTOR QUESTIONNAIRE 
 I am an Accredited Investor (as defined in Rule 501 of Regulation D promulgated under the Securities Act) because I hereby certify that (check all appropriate descriptions that apply): 

 

	 ̈	 	 a bank, as defined in Section 3(a)(2) of the Securities Act or any savings and loan association or other institution as defined in
Section 3(a)(5)(A) of the Securities Act, whether acting in an individual or a fiduciary capacity. 

  

	 ̈	 	 a broker or dealer registered under Section 15 of the Securities Exchange Act of 1934, as amended. 

 

	 ̈	 	 an insurance company, as defined in Section 2(13) of the Securities Act. 

 

	 ̈	 	 an investment company registered under the Investment Company Act of 1940 or a business development company, as defined in Section 2(a)(48) of
that act. 

  

	 ̈	 	 a Small Business Investment Company licensed by the U.S. Small Business Administration under Section 301(c) or (d) of the Small Business
Investment Act of 1958. 

  

	 ̈	 	 a plan established and maintained by a state, its political subdivisions or any agency or instrumentality of a state or its political subdivisions for
the benefit of its employees, if the plan has total assets in excess of $5 million. 

  

	 ̈	 	 an employee benefit plan within the meaning of Title I of the Employee Retirement Income Security Act of 1974, if the investment decision is being made
by a plan fiduciary, as defined in Section 3(21) of such act, and the plan fiduciary is either a bank, an insurance company, or a registered investment adviser, or if the employee benefit plan has total assets in excess of $5 million.

  

	 ̈	 	 a private business development company, as defined in Section 202(a)(22) of the Investment Advisers Act of 1940. 

 

	 ̈	 	 a corporation, Massachusetts or similar business trust, or partnership, or an organization described in Section 501(c)(3) of the Internal Revenue
Code of 1986, as amended, that was not formed for the specific purpose of acquiring the Securities, and that has total assets in excess of $5 million. 

  

	 ̈	 	 a trust with total assets in excess of $5 million not formed for the specific purpose of acquiring the Securities, whose purchase is directed by a
sophisticated person as described in Rule 506(b)(2)(ii) under the Securities Act. 

  

	 ̈	 	 an entity in which all of the equity owners are accredited investors and meet the criteria listed above. 

  
 Exh. A-1

 EXHIBIT B 

AMENDED AND RESTATED 
 LIMITED LIABILITY COMPANY AGREEMENT 
 OF HANNON ARMSTRONG CAPITAL LLC

 This Amended and Restated Limited Liability Company Agreement (“Agreement”) of Hannon Armstrong Capital
LLC (the “LLC”), effective as of April 23, 2013 (the “Effective Date”), is entered into by HA Merger Sub III LLC, as the sole member of the LLC (the “Member”). 

WHEREAS, the LLC was formed as a limited liability company on August 7, 2000 by filing Articles of Organization with the
State Department of Assessments and Taxation of Maryland pursuant to and in accordance with the Maryland Limited Liability Company Act, as amended from time to time (the “Act”);  

WHEREAS, the Member, being the sole Member of the LLC, has determined that it is in the best interests of the LLC to amend and
restate the LLC’s Third Amended and Restated Operating Agreement, dated as of April 26, 2010, as amended, and that the membership in and management of the LLC shall now and hereafter be governed by the terms set forth herein.

 NOW, THEREFORE, the Member agrees as follows: 
 1. Name. The name of the LLC is Hannon Armstrong Capital LLC. 
 2. Purpose. The
purpose of the LLC is to engage in any lawful act or activity for which limited liability companies may be formed under the Act and to engage in any and all activities necessary or incidental thereto. 

3. Principal Office; Resident Agent. 
 (a) Principal Office. The location of the principal office of the LLC in the State of Maryland shall be 1906 Towne Centre Blvd, Suite 370, Annapolis, MD 21401, or such other location as
the Member may from time to time designate. 
 (b) Resident Agent. The name of the resident agent of the
LLC in the State of Maryland is CSC-Lawyers Incorporating Service Company, located at 7 St. Paul Street, Suite 1660, Baltimore, MD 21202, or such other resident agent as the Member may from time to time designate. 

  
 Exh. B-1

 4. Members. 
 (a) Member. The name and the business, residence or mailing address of the Member are as follows: 
  

			
	 Name
	  	 Address

		
	Hannon Armstrong Sustainable Infrastructure, L.P.	  	 1906 Towne Centre Blvd, Suite 370,
 Annapolis, MD 21401

 (b) Additional Members. One or more additional members may be admitted to the LLC with the
consent of the Member. Prior to the admission of any such additional members to the LLC, the Member shall amend this Agreement to make such changes as the Member shall determine to reflect the fact that the LLC shall have such additional members.
Each additional member shall execute and deliver a supplement or counterpart to this Agreement, as necessary. 

(c) Membership Interests; Certificates. To the extent permitted by the Act, notwithstanding any showing that distributions
under a charging order upon any economic interest of the LLC will not pay the amount owed to the creditor within a reasonable time, no economic interest in the LLC shall be subject to foreclosure. The LLC will not issue any certificates to evidence
ownership of the membership interests. 
 5. Management. 
 (a) Authority and Powers of the Member. The Member shall have exclusive and complete authority and discretion to manage the operations and affairs of the LLC and to make all decisions
regarding the business of the LLC. Any action taken by the Member shall constitute the act of and serve to bind the LLC. The Member shall have all rights and powers of a member under the Act, and shall have such authority, rights and powers in the
management of the LLC to do any and all other acts and things necessary, proper, convenient or advisable to effectuate the purposes of this Agreement. 
 (b) Duties and Obligations of Member. To the maximum extent permitted under the Act, the only duties of the Member in its capacity as a member of the LLC, fiduciary or otherwise, are to
perform its contractual obligations as expressly set forth in this Agreement in accordance with the duties of care and loyalty as set forth in this Section 5(b). Such duties are owed by the Member to the LLC and its members and shall not be
enforceable otherwise than by the LLC or a member of the LLC. To the maximum extent permitted under the Act, the Member shall have no duties in its capacity as a member of the LLC, fiduciary or otherwise, to any individual or entity (each such
individual or entity and the heirs, personal representatives, successors and assigns of such individual or entity, a “Person”) other than the LLC and its members (including any creditor of the LLC or any such member, or any assignee
of any interest in the LLC). No director, officer, member, manager, affiliate or agent of the Member shall have any duties directly to the LLC or any member of the LLC, or to any other Person (including any creditor of the LLC or any Member, or any
assignee of any interest in the LLC). 

  
 Exh. B-2

 (i) Duty of Care. The Member’s duty of care is limited to refraining from
engaging in grossly negligent or reckless conduct, intentional misconduct or knowing violation of law in the discharge of its contractual obligations as expressly set forth in this Agreement. None of the Member or its agents or affiliates shall be
expected to devote his, her or its full time to the performance of such duties. 
 (ii) Duty of Loyalty. The
Member’s duty of loyalty is limited to refraining from appropriating the property or assets of the LLC to the benefit of any other Person and without benefit to the LLC. An action of the Member, in its capacity as such, does not violate the
Member’s duty of loyalty solely because the Member’s conduct also furthers the Member’s own interests. 

(c) Election of Officers; Delegation of Authority. The Member may, from time to time, designate one or more officers with
such titles as may be designated by the Member to act in the name of the LLC with such authority as may be delegated to such officers by the Member (each such designated person, an “Officer”). Any such Officer shall act pursuant to
such delegated authority until such Officer is removed by the Member. Any action taken by an Officer designated by the Member pursuant to authority delegated to such Officer shall constitute the act of and serve to bind the LLC. Persons dealing with
the LLC are entitled to rely conclusively on the power and authority of any officer set forth in this Agreement and any instrument designating such officer and the authority delegated to him, her or it. 

6. Liability of Member; Indemnification. 
 (a) Liability of Member. To the fullest extent permitted under the Act, the Member, whether acting as the Member, in its capacity as the manager of the LLC, or in any other capacity, shall
not be liable for any debts, obligations or liabilities of the LLC or each other, whether arising in tort, contract or otherwise, solely by reason of being a Member. 
 (b) Indemnification. To the fullest extent permitted under the Act, the Member, its officers, its directors and any person acting on behalf of the Member (irrespective of the capacity in
which it acts) shall be entitled to indemnification and advancement of expenses from the LLC for and against any loss, damage, claim or expense (including attorneys’ fees) whatsoever incurred by the Member relating to or arising out of any act
or omission or alleged acts or omissions (whether or not constituting negligence or gross negligence) performed or omitted by the Member on behalf of the LLC; provided, however, that any indemnity under this Section 6(b) shall be
provided out of and to the extent of LLC assets only, and neither the Member nor any other person shall have any personal liability on account thereof. 
 7. Term. The term of the LLC shall be perpetual unless the LLC is dissolved and terminated in accordance with Section 11. 
 8. Capital Contributions. The Member shall not be required to contribute any additional capital to the LLC, and except as set forth in the Act, no Member shall have any personal liability
for any obligations of the LLC. No Member shall be paid interest on its capital contributions. 

  
 Exh. B-3

 9. Tax Status; Income and Deductions. 

(a) Tax Status. As long as the LLC has only one member, it is the intention of the LLC and the Member that the LLC be
treated as a disregarded entity for federal and all relevant state tax purposes and neither the LLC nor the Member shall take any action or make any election which is inconsistent with such tax treatment. All provisions of this Agreement are to be
construed so as to preserve the LLC’s tax status as a disregarded entity. 
 (b) Income and
Deductions. All items of income, gain, loss, deduction and credit of the LLC (including, without limitation, items not subject to federal or state income tax) shall be treated for federal and all relevant state income tax purposes as items of
income, gain, loss, deduction and credit of the Member. 
 10. Distributions. Distributions shall be made to the Member at the
times and in the amounts determined by the Member. 
 11. Dissolution; Liquidation. 

(a) The LLC shall dissolve, and its affairs shall be wound up upon the first to occur of the following: (i) the written consent of
the Member or (ii) any other event or circumstance giving rise to the dissolution of the LLC under the Act, unless the LLC’s existence is continued pursuant to the Act. 

(b) Upon dissolution of the LLC, the LLC shall immediately commence to wind up its affairs and the Member shall promptly liquidate the
business of the LLC. During the period of the winding up of the affairs of the LLC, the rights and obligations of the Member under this Agreement shall continue. 
 (c) In the event of dissolution, the LLC shall conduct only such activities as are necessary to wind up its affairs (including the sale of the assets of the LLC in an orderly manner), and the assets of
the LLC shall be applied as follows: (i) first, to creditors, to the extent otherwise permitted by law, in satisfaction of liabilities of the LLC (whether by payment or the making of reasonable provision for payment thereof); and
(ii) thereafter, to the Member. 
 (d) Upon the completion of the winding up of the LLC, the Member shall file Articles of
Dissolution in accordance with the Act. 
 12. Miscellaneous. 
 (a) Amendments. Amendments to this Agreement may be made only with the consent of the Member. 
 (b) Governing Law. This Agreement shall be governed by the laws of the State of Maryland. 
 (c) Severability. In the event that any provision of this Agreement shall be declared to be invalid, illegal or unenforceable, such provision shall survive to the extent it is not so declared, and
the validity, legality and enforceability of the other provisions hereof shall not in any way be affected or impaired thereby, unless such action would substantially impair the benefits to any party of the remaining provisions of this Agreement.

  
 Exh. B-4

 IN WITNESS WHEREOF, the undersigned has executed this Agreement to be effective as of
the date first above written. 
  

									
	HA MERGER SUB III LLC
		
	By:	 	Hannon Armstrong Sustainable Infrastructure Capital, Inc., its sole member
				
		 		 	By:	 	 /s/ Jeffrey W. Eckel

		 		 		 	Name:	 	Jeffrey W. Eckel
		 		 		 	Title:	 	President and Chief Executive Officer

  
 Exh. B-5

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