Filed pursuant to Rule 433
Regulation Statement No. 333-128164

Final Term Sheet

For

Financing

of

Capstone Turbine Corporation

     By reading the information contained within this document, the recipient agrees with Capstone Turbine Corporation and A.G. Edwards & Sons, Inc., to maintain in confidence such information, together with any other non-public information regarding Capstone Turbine Corporation obtained from Capstone Turbine Corporation, A.G. Edwards & Sons, Inc., or their agents during the course of the proposed financing and to comply with the recipient’s obligations under applicable U.S. and state securities laws.

A.G. Edwards & Sons, Inc.

     Capstone Turbine Corporation (the “Company”) has filed a registration statement (Registration No. 333-128164, including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the Company has filed with the SEC for more complete information about the Company and this offering. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, the Company will arrange to send you the base prospectus and any other offering documents if you request them by calling (818) 734-5300.

CONFIDENTIAL SUMMARY OF TERMS AND CONDITIONS

     This Confidential Summary of Terms and Conditions is not intended to be contractually binding, other than the cover sheet and the section entitled “Confidential Information,” and is subject in all respects (other than with respect to such section) to the execution of the Subscription Agreement.

Issuer:		Capstone Turbine Corporation, a Delaware corporation (the “Company”).
Securities Offered:		Up to an aggregate of (i) 40,000,000 shares (the “Shares”) of the Company’s common stock, $0.001 par value per share (the “Common Stock”), and (ii) 20,000,000 warrants to purchase Common Stock (the “Warrants”, and together with the Shares, the “Securities”), for a purchase price of $1.14 per unit (the “Offering”). The Shares and Warrants are immediately separable and will be issued separately. There is no minimum offering amount.
Warrants:		The exercise price of the Warrants shall be $1.30 per share. The Warrants shall have the rights, preferences, privileges and restrictions substantially as set forth in the Form of Warrant attached hereto.
Purchase Price:		$1.14 per unit
Use of Proceeds to Company:		The Company intends to use the net proceeds from this Offering of approximately $42,864,000 (before expenses) for general corporate purposes, which may include, but are not limited to, working capital and capital expenditures. The Company does not have a current specific plan for use of the proceeds, other than to fund operating losses.
Subscription and Closing Date:		The Company and each investor participating in the Offering (each an “Investor” and collectively the “Investors”) shall execute a Subscription Agreement in substantially the form attached hereto. It is expected that the closing of the Offering shall occur, and the Securities shall be issued to the Investors and funds paid to the Company therefor, on or about January 24, 2007 (the “Closing Date”).
Risk Factors:		The Securities offered involve a high degree of risk. See the disclosure relating to the risks affecting the Company set forth in the base prospectus included in the registration statement relating to this Offering, the preliminary prospectus relating to this Offering, and the documents filed by the Company with the SEC under the Securities Exchange Act of 1934, as amended.
NASDAQ Global Market Symbol:		CPST

Confidential Information:		The recipient of this Confidential Summary of Terms and Conditions and the materials attached hereto agrees with the Company and A.G. Edwards & Sons, Inc., to maintain in confidence this disclosed information, together with any other non-public information regarding the Company obtained from the Company, A.G. Edwards & Sons, Inc., or their agents during the course of the proposed Offering, and to comply with the recipient’s obligations under U.S. and state securities laws.
Placement Agent:		The Company has engaged A.G. Edwards & Sons, Inc., to act as placement agent in connection with the Offering. The placement agent will receive a fee equal to $2,188,000 (4.8% of the gross proceeds from the sale of the Securities), and expense reimbursement up to $125,000.
Financial Advisor:		The Company has agreed to pay First Albany Capital a financial advisory fee equal to $547,200 (1.2% of the gross proceeds from the sale of the Securities).

Subscription Agreement

[See attached]

Subscription Terms

Capstone Turbine Corporation
21211 Nordhoff Street
Chatsworth, California 91311

Ladies and Gentlemen:

The undersigned (the “Investor”) hereby confirms and agrees with you as follows:

1. The subscription terms set forth herein (the “Subscription”) are made as of the date set forth below between Capstone Turbine Corporation, a Delaware corporation (the “Company”), and the Investor.

2. As of the Closing (as defined below) and subject to the terms and conditions hereof, the Company and the Investor agree that the Investor will purchase from the Company and the Company will issue and sell to the Investor (i) such number of shares (the “Shares”) of common stock, par value $0.001 per share, of the Company (the “Common Stock”), and (ii) such number of Warrants to purchase Common Stock (the “Warrants” in the form attached hereto as Exhibit B, and together with the Shares, the “Securities”) as is set forth on the signature page hereto (the “Signature Page”) for a purchase price of $1.14 per unit. The Investor acknowledges that the offering is not a firm commitment underwriting and that there is no minimum offering amount.

3. The completion of the purchase and sale of the Securities shall occur at a closing (the “Closing”) that, in accordance with Rule 15c6-1 promulgated under the Securities Exchange Act of 1934, as amended, is expected to occur on or about January 24, 2007. At the Closing, (a) the Company shall cause its transfer agent to release to the Investor the number of Securities being purchased by the Investor and (b) the aggregate purchase price for the Securities being purchased by the Investor will be delivered by or on behalf of the Investor to the Company. The Investor shall settle the Shares via Deposit/Withdrawal At Custodian (“DWAC”) and the provisions set forth in Exhibit A hereto shall be incorporated herein by reference as if set forth fully herein.

4. The offering and sale of the Securities are being made pursuant to the Registration Statement and the Prospectus (as such terms are defined below). The Investor acknowledges that the Company intends to enter into subscriptions in substantially the same form as this Subscription with certain other investors and intends to offer and sell (the “Offering”) up to an aggregate of 40,000,000 shares of Common Stock and Warrants to purchase 20,000,000 shares of Common Stock pursuant to the Registration Statement and Prospectus. The Investor acknowledges and agrees that there is no minimum offering amount.

5. The Company has filed with the Securities and Exchange Commission (the “Commission”) a prospectus (the “Base Prospectus”) and will promptly file a final prospectus supplement (collectively, the “Prospectus”) with respect to the registration statement (File No. 333-128164) reflecting the Offering, including all amendments thereto, the exhibits and any schedules thereto, the documents otherwise deemed to be a part thereof or included therein by the rules and regulations of the Commission (the “Rules and Regulations”) and any registration statement relating to the Offering and filed pursuant to Rule 462(b) under the Rules and Regulations (collectively, the “Registration Statement”), in conformity with the Securities Act of 1933, as amended (the “Securities Act”), including Rule 424(b) thereunder. The Investor hereby confirms that it has had full access to the Base Prospectus and the Company’s periodic reports and other information incorporated by reference therein, and was able to read, review, download and print such materials.

6. The Company has entered into a Placement Agency Agreement (the “Placement Agreement”), dated January 18, 2007 with A.G. Edwards & Sons, Inc. (the “Placement Agent”), which will act as the Company’s placement agent with respect to the Offering and receive a fee in connection with the sale of the Securities. The Placement Agreement contains certain representations and warranties of the Company. The Company acknowledges and agrees that the Investor may rely on the representations and warranties made by it to the Placement Agent in Section 3 of the Placement Agreement, to the same extent as if such representations and warranties had been incorporated in full herein and made directly to the Investor. Capitalized terms used, but not otherwise defined, herein shall have the meanings ascribed to such terms in the Placement Agreement.

7. The obligations of the Company and the Investor to complete the transactions contemplated by this Subscription shall be subject to the following:

     a. The Company’s obligation to issue and sell the Securities to the Investor shall be subject to: (i) the receipt by the Company of the purchase price for the Securities being purchased hereunder as set forth on the Signature Page and (ii) the accuracy of the representations and warranties made by the Investor and the fulfillment of those undertakings of the Investor to be fulfilled prior to the Closing Date.

     b. The Investor’s obligation to purchase the Securities will be subject to the condition that the Placement Agent shall not have: (i) terminated the Placement Agreement pursuant to the terms thereof or (ii) determined that the conditions to closing in the Placement Agreement have not been satisfied.

8. The Company hereby makes the following representations, warranties and covenants to the Investor:

     a. The Company has the requisite corporate power and authority to enter into and to consummate the transactions contemplated by this Subscription and otherwise to carry out its obligations hereunder. The execution and delivery of this Subscription by the Company and the consummation by it of the transactions contemplated hereunder have been duly authorized by all necessary action on the part of the Company. This Subscription has been duly executed by the Company and, when delivered in accordance with the terms hereof, will constitute the valid and binding obligation of the Company enforceable against the Company in accordance with its terms, except as may be limited by any bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance or other similar laws affecting the enforcement of creditors’ rights generally or by general principles of equity.

     b. The Company shall (i) before the opening of trading on The Nasdaq Global Market on the next trading day after the date hereof, issue one or more press releases disclosing all material aspects of the transactions contemplated hereby and any preliminary financial information for the third quarter ended December 31, 2006 contained in the Prospectus and (ii) make such other filings and notices in the manner and time required by the Commission with respect to the transactions contemplated hereby. Upon the issuance of one or more press releases described in the immediately preceding sentence, the Investor will not be in receipt of any material, non-public information provided to it by the Company, its officers or directors. The Company shall not identify the Investor by name in any press release or public filing, or otherwise publicly disclose the Investor’s name, without the Investor’s prior written consent, unless required by law or the rules and regulations of any self-regulatory organization which the Company or its securities are subject.

9. The Investor hereby makes the following representations, warranties and covenants to the Company:

     a. The Investor represents that (i) it has had full access to the Base Prospectus, the Prospectus Supplement and the Company’s periodic reports and other information incorporated by reference therein, prior to or in connection with its receipt of this Subscription, (ii) it is knowledgeable,

sophisticated and experienced in making, and is qualified to make, decisions with respect to investments in securities representing an investment decision like that involved in the purchase of the Securities, and (iii) it does not have any agreement or understanding, directly or indirectly, with any person or entity to distribute any of the Securities.

     b. The Investor has the requisite power and authority to enter into this Subscription and to consummate the transactions contemplated hereby. The execution and delivery of this Subscription by the Investor and the consummation by it of the transactions contemplated hereunder have been duly authorized by all necessary action on the part of the Investor. This Subscription has been executed by the Investor and, when delivered in accordance with the terms hereof, will constitute a valid and binding obligation of the Investor enforceable against the Investor in accordance with its terms, except as enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting creditors’ and contracting parties’ rights generally and except as enforceability may be subject to general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law).

     c. The Investor understands that nothing in this Subscription or any other materials presented to the Investor in connection with the purchase and sale of the Securities constitutes legal, tax or investment advice. The Investor has consulted such legal, tax and investment advisors as it, in its sole discretion, has deemed necessary or appropriate in connection with its purchase of Securities.

     d. Neither the Investor nor any Person acting on behalf of, or pursuant to any understanding with or based upon any information received from, the Investor has, directly or indirectly, engaged in any transactions in the securities of the Company (including, without limitation, any Short Sales involving the Company’s securities) since the earlier to occur of (i) the time that the Investor was first contacted by the Placement Agent or the Company with respect to the transactions contemplated hereby and (ii) the date that is the tenth (10th) trading day prior to the date of this Subscription. “Short Sales” include, without limitation, all “short sales” as defined in Rule 200 promulgated under Regulation SHO under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), whether or not against the box, and all types of direct and indirect stock pledges, forward sale contracts, options, puts, calls, short sales, swaps, “put equivalent positions” (as defined in Rule 16a-1(h) under the Exchange Act) and similar arrangements (including on a total return basis), and sales and other transactions through non-U.S. broker dealers or foreign regulated brokers. The Investor covenants that neither it, nor any Person acting on behalf of, or pursuant to any understanding with or based upon any information received from, the Investor will engage in any transactions in the securities of the Company (including Short Sales) prior to the time that the transactions contemplated by this Subscription are publicly disclosed.

     e. The Investor represents that, except as set forth below, (i) it has had no position, office or other material relationship within the past three years with the Company or persons known to it to be affiliates of the Company, (ii) it is not a, and it has no direct or indirect affiliation or association with any, NASD member or an Associated Person (as such term is defined under the NASD Membership and Registration Rules Section 1011) as of the date hereof, and (iii) neither it nor any group of investors (as identified in a public filing made with the Commission) of which it is a member, acquired, or obtained the right to acquire, 20% or more of the Common Stock (or securities convertible or exercisable for Common Stock) or the voting power of the Company on a post-transaction basis. Exceptions:

(If no exceptions, write “none.” If left blank, response will be deemed to be “none.”)

10. Notwithstanding anything to the contrary contained herein, the number of Warrant Shares that may be acquired by the Investor upon exercise of the Warrant shall be limited to the extent necessary to insure

that, following such exercise (or other issuance), the total number of shares of Common Stock then beneficially owned by such Investor and its Affiliates and any other Persons whose beneficial ownership of Common Stock would be aggregated with the Investor’s for purposes of Section 13(d) of the Exchange Act, does not exceed 9.999% of the total number of issued and outstanding shares of Common Stock (including for such purpose the shares of Common Stock issuable upon such exercise). For such purposes, beneficial ownership shall be determined in accordance with Section 13(d) of the Exchange Act and the rules and regulations promulgated thereunder.

11. Notwithstanding any investigation made by any party to this Subscription, all covenants, agreements, representations and warranties made by the Company and the Investor herein will survive the execution of this Subscription, the delivery to the Investor of the Securities being purchased and the payment therefor.

12. This Subscription may not be modified or amended except pursuant to an instrument in writing signed by the Company and the Investor.

13. In case any provision contained in this Subscription should be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein will not in any way be affected or impaired thereby.

14. This Subscription will be governed by, and construed in accordance with, the internal laws of the State of New York, without giving effect to the principles of conflicts of law that would require the application of the laws of any other jurisdiction.

15. This Subscription may be executed in one or more counterparts, each of which will constitute an original, but all of which, when taken together, will constitute but one instrument, and will become effective when one or more counterparts have been signed by each party hereto and delivered to the other parties.

16. The Investor acknowledges and agrees that such Investor’s receipt of the Company’s counterpart to this Subscription shall constitute written confirmation of the Company’s sale of Securities to such Investor.

17. In the event that the Placement Agreement is terminated by the Placement Agent pursuant to the terms thereof, this Subscription shall terminate without any further action on the part of the parties hereto.

INVESTOR SIGNATURE PAGE

Number of Shares: ___________________________

Number of Warrants: __________________________

(such number to be equal to 50% of the number of Shares being purchased by the Investor)

Purchase Price Per Security: $1.14

Aggregate Purchase Price: $ ___________________________

Please confirm that the foregoing correctly sets forth the agreement between us by signing in the space provided below for that purpose.

Dated as of: January 18, 2007

_________________________________________________

INVESTOR

By: ______________________________________

Print Name: ______________________________

Title: ___________________________________

Name that Securities are to be registered: ____________________________

Mailing Address: ____________________________

____________________________

____________________________

Taxpayer Identification Number: _________________________

Manner of Settlement of the Shares: DWAC (see Exhibit A for explanation and instructions)

Agreed and Accepted this 18th day of January 2007:

CAPSTONE TURBINE CORPORATION

By: _______________________________________

Title: _______________________________________

Sales of the Securities purchased hereunder were made pursuant to a registration statement or in a transaction in which a final prospectus would have been required to have been delivered in the absence of Rule 172 promulgated under the Securities Act.

EXHIBIT A

TO BE COMPLETED BY INVESTOR

SETTLING VIA DWAC

Delivery by electronic book-entry at The Depository Trust Company (“DTC”), registered in the Investor’s name and address as set forth on the Signature Page of the Subscription to which this Exhibit A is attached, and released by Mellon Investor Services LLC, the Company’s transfer agent (the “Transfer Agent”), to the Investor at the Closing.

		Name of DTC Participant (broker-dealer at
		which the account or accounts to be credited
		with the Shares are maintained)
		DTC Participant Number
		Name of Account at DTC Participant being credited with
		the Shares
		Account Number at DTC Participant being credited with
		the Shares

NO LATER THAN ONE (1) BUSINESS DAY AFTER THE EXECUTION OF THE SUBSCRIPTION TO WHICH THIS EXHIBIT A IS ATTACHED BY THE INVESTOR AND THE COMPANY, THE INVESTOR SHALL:

(I)

DIRECT THE BROKER-DEALER AT WHICH THE ACCOUNT OR ACCOUNTS TO BE CREDITED WITH THE SHARES ARE MAINTAINED TO SET UP A DEPOSIT/WITHDRAWAL AT CUSTODIAN (“DWAC”) INSTRUCTING THE TRANSFER AGENT TO CREDIT SUCH ACCOUNT OR ACCOUNTS WITH THE SHARES, AND

(II)

REMIT BY WIRE TRANSFER THE AMOUNT OF FUNDS EQUAL TO THE AGGREGATE PURCHASE PRICE FOR THE SECURITIES BEING PURCHASED BY THE INVESTOR TO THE FOLLOWING ACCOUNT:

PNC Bank New Jersey
ABA#: 031207607
Account Name: Lowenstein Sandler Attorney Trust Special A/C IV
Account #: 8025720131

          Such funds shall be held in a non-interest bearing escrow pursuant to an escrow agreement entered into between Lowenstein Sandler PC (the “Escrow Agent”), the Placement Agent and the Company (the “Escrow Agreement”) until the Closing and delivered by the Escrow Agent on behalf of the Investor to the Company upon the satisfaction, in the sole judgment of the Placement Agent, of the conditions set forth in Section 7(b) of the Subscription to which this Exhibit A is attached. The Company and the Investor agree to indemnify and hold the Escrow Agent harmless from and against any and all losses, costs, damages, expenses and claims (including, without limitation, court costs and reasonable attorneys fees)

(“Losses”) with respect to the funds held in escrow pursuant hereto or arising under the Escrow Agreement, unless it is finally determined that such Losses resulted directly from the willful misconduct or gross negligence of the Escrow Agent. Anything in this paragraph to the contrary notwithstanding, in no event shall the Escrow Agent be liable for any special, indirect or consequential loss or damage of any kind whatsoever (including but not limited to lost profits), even if the Escrow Agent has been advised of the likelihood of such loss or damage and regardless of the form of action.

          Investor acknowledges that the Escrow Agent acts as counsel to the Placement Agent, and shall have the right to continue to represent the Placement Agent, in any action, proceeding, claim, litigation, dispute, arbitration or negotiation in connection with the Offering, and Investor hereby consents thereto and waives any objection to the continued representation of the Placement Agent by the Escrow Agent in connection therewith based upon the services of the Escrow Agent under the Escrow Agreement, without waiving any duty or obligation the Escrow Agent may have to any other person.

EXHIBIT B

FORM OF WARRANT

Warrant

[See attached]

CAPSTONE TURBINE CORPORATION

WARRANT

Warrant No. ___		Original Issue Date: January 24, 2007

CAPSTONE TURBINE CORPORATION, a Delaware corporation (the “Company”), hereby certifies that, for value received, ___ or its permitted registered assigns (the “Holder”), is entitled to purchase from the Company up to a total of ___ shares of common stock, $0.001 par value (the “Common Stock”), of the Company (each such share, a “Warrant Share” and all such shares, the “Warrant Shares”) at an exercise price equal to $1.30 per share (as adjusted from time to time as provided herein, the “Exercise Price”), at any time and from time to time on or after the date hereof (the “Original Issue Date”) and through and including January 23, 2012 (the “Expiration Date”), and subject to the following terms and conditions:

     This Warrant is being issued pursuant to that certain Subscription Agreement, dated January 18, 2007, by and between the Company and the Purchaser identified therein (the “Purchase Agreement”). The original issuance of the Warrant by the Company pursuant to the Purchase Agreement has been registered pursuant to a Registration Statement on Form S-3 (File No. 333-128164) (the “Registration Statement”).

     1. Definitions. In addition to the terms defined elsewhere in this Warrant, capitalized terms that are not otherwise defined herein have the meanings given to such terms in the Purchase Agreement.

     2. List of Warrant Holders. The Company shall register this Warrant, upon records to be maintained by the Company for that purpose (the “Warrant Register”), in the name of the record Holder (which shall include the initial Holder or, as the case may be, any registered assignee to which this Warrant is permissibly assigned hereunder from time to time). The Company may deem and treat the registered Holder of this Warrant as the absolute owner hereof for the purpose of any exercise hereof or any distribution to the Holder, and for all other purposes, absent actual notice to the contrary.

     3. List of Transfers; Restrictions on Transfer. The Company shall register any such transfer of all or any portion of this Warrant in the Warrant Register, upon surrender of this Warrant, with the Form of Assignment attached hereto duly completed and signed, to the Company at its address specified herein.

Upon any such registration or transfer, a new Warrant to purchase Common Stock, in substantially the form of this Warrant (any such new Warrant, a “New Warrant”), evidencing the portion of this Warrant so transferred shall be issued to the transferee and a New Warrant evidencing the remaining portion of this Warrant not so transferred, if any, shall be issued to the transferring Holder. The acceptance of the New Warrant by the transferee thereof shall be deemed the acceptance by such transferee of all of the rights and obligations in respect of the New Warrant that the Holder has in respect of this Warrant.

     4. Exercise and Duration of Warrant.

     (a) All or any part of this Warrant shall be exercisable by the registered Holder in any manner permitted by Section 10 of this Warrant at any time and from time to time on or after the Original Issue Date and through and including the Expiration Date. Subject to Section 11 hereof, at 5:00 p.m., New York City time, on the Expiration Date, the portion of this Warrant not exercised prior thereto shall be and become void and of no value and this Warrant shall be terminated and no longer outstanding. In addition, if cashless exercise would be permitted under Section 10(b) of this Warrant, then all or part of this Warrant may be exercised by the registered Holder utilizing such cashless exercise provisions at any time, or from time to time, on or after the Original Issue Date and through and including the Expiration Date.

     (b) The Holder may exercise this Warrant by delivering to the Company (i) an exercise notice, in the form attached hereto (the “Exercise Notice”), completed and duly signed, and (ii) if such Holder is not utilizing the cashless exercise provisions set forth in this Warrant, payment of the Exercise Price for the number of Warrant Shares as to which this Warrant is being exercised. The date such items are delivered to the Company (as determined in accordance with the notice provisions hereof) is an “Exercise Date.” The Holder shall not be required to deliver the original Warrant in order to effect an exercise hereunder. Execution and delivery of the Exercise Notice shall have the same effect as cancellation of the original Warrant and issuance of a New Warrant evidencing the right to purchase the remaining number of Warrant Shares.

     5. Delivery of Warrant Shares.

     (a) Upon exercise of this Warrant, the Company shall promptly (but in no event later than three Trading Days after the Exercise Date) issue or cause to be issued and cause to be delivered to or upon the written order of the Holder and in such name or names as the Holder may designate, a certificate for the Warrant Shares issuable upon such exercise, free of restrictive legends.

The Holder, or any Person permissibly so designated by the Holder to receive Warrant Shares, shall be deemed to have become the holder of record of such Warrant Shares as of the Exercise Date. The Company shall, upon the written request of the Holder, use its best efforts to deliver, or cause to be delivered, Warrant Shares hereunder electronically through the Depository Trust and Clearing Corporation or another established clearing corporation performing similar functions, if available; provided, that, the Company may, but will not be required to, change its transfer agent if its current transfer agent cannot deliver Warrant Shares electronically through the Depository Trust and Clearing Corporation.

     (b) If by the close of the third Trading Day after delivery of an Exercise Notice and the payment of the aggregate exercise price, the Company fails to deliver to the Holder a certificate representing the required number of Warrant Shares in the manner required pursuant to Section 5(a), and if after such third Trading Day and prior to the receipt of such Warrant Shares, the Holder purchases (in an open market transaction or otherwise) shares of Common Stock to deliver in satisfaction of a sale by the Holder of the Warrant Shares which the Holder anticipated receiving upon such exercise (a “Buy-In”), then the Company shall, within three Trading Days after the Holder’s request and in the Holder’s sole discretion, either (i) pay in cash to the Holder an amount equal to the Holder’s total purchase price (including brokerage commissions, if any) for the shares of Common Stock so purchased (the “Buy-In Price”), at which point the Company’s obligation to deliver such certificate (and to issue such Warrant Shares) shall terminate or (ii) promptly honor its obligation to deliver to the Holder a certificate or certificates representing such Warrant Shares and pay cash to the Holder in an amount equal to the excess (if any) of the Buy-In Price over the product of (A) such number of Warrant Shares, times (B) the closing bid price on the date of the event giving rise to the Company’s obligation to deliver such certificate.

     (c) To the extent permitted by law, the Company’s obligations to issue and deliver Warrant Shares in accordance with the terms hereof are absolute and unconditional, irrespective of any action or inaction by the Holder to enforce the same, any waiver or consent with respect to any provision hereof, the recovery of any judgment against any Person or any action to enforce the same, or any setoff, counterclaim, recoupment, limitation or termination, or any breach or alleged breach by the Holder or any other Person of any obligation to the Company or any violation or alleged violation of law by the Holder or any other Person, and irrespective of any other circumstance that might otherwise limit such obligation of the Company to the Holder in connection with the issuance of Warrant Shares. Nothing herein shall limit a Holder’s right to pursue any

other remedies available to it hereunder, at law or in equity including, without limitation, a decree of specific performance and/or injunctive relief with respect to the Company’s failure to timely deliver certificates representing shares of Common Stock upon exercise of the Warrant as required pursuant to the terms hereof.

     6. Charges, Taxes and Expenses. Issuance and delivery of certificates for shares of Common Stock upon exercise of this Warrant shall be made without charge to the Holder for any issue or transfer tax, withholding tax, transfer agent fee or other incidental tax or expense in respect of the issuance of such certificates, all of which taxes and expenses shall be paid by the Company; provided, however, that the Company shall not be required to pay any tax that may be payable in respect of any transfer involved in the registration of any certificates for Warrant Shares or the Warrants in a name other than that of the Holder. The Holder shall be responsible for all other tax liability that may arise as a result of holding or transferring this Warrant or receiving Warrant Shares upon exercise hereof.

     7. Replacement of Warrant. If this Warrant is mutilated, lost, stolen or destroyed, the Company shall issue or cause to be issued in exchange and substitution for and upon cancellation hereof, or in lieu of and substitution for this Warrant, a New Warrant, but only upon receipt of evidence reasonably satisfactory to the Company of such loss, theft or destruction and customary and reasonable indemnity (which shall not include a surety bond), if requested. Applicants for a New Warrant under such circumstances shall also comply with such other reasonable regulations and procedures and pay such other reasonable third-party costs as the Company may prescribe. If a New Warrant is requested as a result of a mutilation of this Warrant, then the Holder shall deliver such mutilated Warrant to the Company as a condition precedent to the Company’s obligation to issue the New Warrant.

     8. Reservation of Warrant Shares. The Company covenants that it will at all times reserve and keep available out of the aggregate of its authorized but unissued and otherwise unreserved Common Stock, solely for the purpose of enabling it to issue Warrant Shares upon exercise of this Warrant as herein provided, the number of Warrant Shares that are then issuable and deliverable upon the exercise of this entire Warrant, free from preemptive rights or any other contingent purchase rights of persons other than the Holder (taking into account the adjustments and restrictions of Section 9). The Company covenants that all Warrant Shares so issuable and deliverable shall, upon issuance and the payment of the applicable Exercise Price in accordance with the terms hereof, be duly and validly authorized, issued and fully paid and nonassessable.

     9. Certain Adjustments. The Exercise Price and number of Warrant Shares issuable upon exercise of this Warrant are subject to adjustment from time to time as set forth in this Section 9.

     (a) Stock Dividends and Splits. If the Company, at any time while this Warrant is outstanding, (i) pays a stock dividend on its Common Stock or otherwise makes a distribution on any class of capital stock that is payable in shares of Common Stock, (ii) subdivides outstanding shares of Common Stock into a larger number of

shares, or (iii) combines outstanding shares of Common Stock into a smaller number of shares, then in each such case the Exercise Price shall be multiplied by a fraction of which the numerator shall be the number of shares of Common Stock outstanding immediately before such event and of which the denominator shall be the number of shares of Common Stock outstanding immediately after such event. Any adjustment made pursuant to clause (i) of this paragraph shall become effective immediately after the record date for the determination of stockholders entitled to receive such dividend or distribution, and any adjustment pursuant to clause (ii) or (iii) of this paragraph shall become effective immediately after the effective date of such subdivision or combination.

     (b) Pro Rata Distributions. If the Company, at any time while this Warrant is outstanding, distributes to all holders of Common Stock for no consideration (i) evidences of its indebtedness, (ii) any security (other than a distribution of Common Stock covered by the preceding paragraph), (iii) rights or warrants to subscribe for or purchase any security, or (iv) any other asset (in each case, “Distributed Property”), then, upon any exercise of this Warrant that occurs after the record date fixed for determination of stockholders entitled to receive such distribution, the Holder shall be entitled to receive, in addition to the Warrant Shares otherwise issuable upon such exercise (if applicable), the Distributed Property that such Holder would have been entitled to receive in respect of such number of Warrant Shares had the Holder been the record holder of such Warrant Shares immediately prior to such record date.

     (c) Fundamental Transactions. If, at any time while this Warrant is outstanding (i) the Company effects any merger or consolidation of the Company with or into another Person, in which the shareholders of the Company immediately prior to the transaction own less than a majority of the outstanding stock of the surviving entity, (ii) the Company effects any sale of all or substantially all of its assets in one or a series of related transactions, (iii) any tender offer or exchange offer approved or authorized by our Board of Directors is completed pursuant to which holders of Common Stock are permitted to tender or exchange their shares for other securities, cash or property, or (iv) the Company effects any reclassification of the Common Stock or any compulsory share exchange pursuant to which the Common Stock is effectively converted into or exchanged for other securities, cash or property (each, a “Fundamental Transaction”), then the Holder shall have the right thereafter to receive, upon exercise of this Warrant, the same amount and kind of securities, cash or property as it would have been entitled to receive upon the occurrence of such Fundamental Transaction if it had been, immediately prior to such Fundamental Transaction, the holder of the number of Warrant Shares then issuable upon exercise in full of this Warrant (the “Alternate Consideration”). The Company shall not effect any such Fundamental Transaction unless prior to or simultaneously with the consummation thereof, any successor to the Company, surviving entity or the corporation purchasing or otherwise acquiring such assets or other appropriate corporation or entity shall assume the obligation to deliver to the Holder, such Alternate Consideration as, in accordance with the foregoing provisions, the Holder may be entitled to purchase, and the other obligations under this Warrant. The provisions of this paragraph (c) shall similarly apply to subsequent transactions analogous to a Fundamental Transaction.

     (d) Number of Warrant Shares. Simultaneously with any adjustment to the Exercise Price pursuant to paragraph (a) of this Section 9, the number of Warrant Shares that may be purchased upon exercise of this Warrant shall be increased or decreased proportionately, so that after such adjustment the aggregate Exercise Price payable hereunder for the adjusted number of Warrant Shares shall be the same as the aggregate Exercise Price in effect immediately prior to such adjustment.

     (e) Subsequent Equity Sales.

     (i) Except as provided in subsection (e)(iii) hereof, if and whenever the Company shall issue or sell, or is, in accordance with any of subsections (e)(ii)(l) through (e)(ii)(4) hereof, deemed to have issued or sold, any shares of Common Stock for no consideration or for a consideration per share less than the Exercise Price in effect immediately prior to the time of such issue or sale, then and in each such case (a “Trigger Issuance”) the then-existing Exercise Price shall be reduced, as of the close of business on the effective date of the Trigger Issuance, to a price determined as follows:

     Adjusted Exercise Price = (A x B) + D

A+C

where

     “A” equals the number of shares of Common Stock outstanding, including Additional Shares of Common Stock (as defined below) deemed to be issued hereunder, immediately preceding such Trigger Issuance;

     “B” equals the Exercise Price in effect immediately preceding such Trigger Issuance;

     “C” equals the number of Additional Shares of Common Stock issued or deemed issued hereunder as a result of the Trigger Issuance; and

     “D” equals the aggregate consideration, if any, received or deemed to be received by the Company upon such Trigger Issuance;

provided, however, that in no event shall the Exercise Price after giving effect to such Trigger Issuance be greater than the Exercise Price immediately prior to such Trigger Issuance.

For purposes of this subsection (e), “Additional Shares of Common Stock” shall mean all shares of Common Stock issued by the Company or deemed to be issued pursuant to this subsection (e), other than Excluded Issuances (as defined in subsection (e)(iii) hereof).

     (ii) For purposes of this subsection 9(e), the following subsections (e)(ii)(l) to (e)(ii)(4) shall also be applicable:

     (1) Issuance of Rights or Options. In case at any time the Company shall in any manner grant (directly and not by assumption in a merger or otherwise) any warrants or other rights to subscribe for or to purchase, or any options for the purchase of, Common Stock or any stock or security convertible into or exchangeable for Common Stock (such warrants, rights or options being called “Options” and such convertible or exchangeable stock or securities being called “Convertible Securities”), whether or not such Options or the right to convert or exchange any such Convertible Securities are immediately exercisable, and the price per share for which Common Stock is issuable upon the exercise of such Options or upon the conversion or exchange of such Convertible Securities (determined by dividing (i) the sum (which sum shall constitute the applicable consideration) of (x) the total amount, if any, received or receivable by the Company as consideration for the granting of such Options, plus (y) the aggregate amount of additional consideration payable to the Company upon the exercise of all such Options, plus (z), in the case of such Options that relate to Convertible Securities, the aggregate amount of additional consideration, if any, payable upon the issue or sale of such Convertible Securities and upon the conversion or exchange thereof, by (ii) the total maximum number of shares of Common Stock issuable upon the exercise of such Options or upon the conversion or exchange of all such Convertible Securities issuable upon the exercise of such Options) shall be less than the Exercise Price in effect immediately prior to the time of the granting of such Options, then the total number of shares of Common Stock issuable upon the exercise of such Options or upon conversion or exchange of the total amount of such Convertible Securities issuable upon the exercise of such Options shall be deemed to have been issued for such price per share as of the date of granting of such Options or the issuance of such Convertible Securities and thereafter shall be deemed to be outstanding for purposes of adjusting the Exercise Price. Except as otherwise provided in subsection 9(e)(ii)(3), no adjustment of the Exercise Price shall be made upon the actual issue of such Common Stock or of such Convertible Securities upon exercise of such Options or upon the actual issue of such Common Stock upon conversion or exchange of such Convertible Securities.

     (2) Issuance of Convertible Securities. In case the Company shall in any manner issue (directly and not by assumption in a merger or otherwise) or sell any Convertible Securities, whether or not the rights to exchange or convert any such Convertible Securities are immediately exercisable, and the price per share for which Common Stock is issuable upon such conversion or exchange (determined by dividing (i) the sum (which sum shall constitute the applicable consideration) of (x) the total amount received or receivable by the Company as consideration for the issue or sale of such Convertible Securities, plus (y) the aggregate amount of additional consideration, if any, payable to the Company upon the conversion or exchange thereof, by (ii) the total number of shares of Common Stock issuable upon the conversion or exchange of all such Convertible Securities) shall be less than the Exercise Price in effect immediately prior to the time of such issue or sale, then the total maximum number of shares of Common Stock issuable upon conversion or exchange of all such Convertible Securities shall be deemed to have been issued for such price per share as of the date of the issue or sale of such Convertible Securities and thereafter shall be deemed to be outstanding for purposes of adjusting the Exercise Price, provided that

(a) except as otherwise provided in subsection 9(e)(ii)(3), no adjustment of the Exercise Price shall be made upon the actual issuance of such Common Stock upon conversion or exchange of such Convertible Securities and (b) no further adjustment of the Exercise Price shall be made by reason of the issue or sale of Convertible Securities upon exercise of any Options to purchase any such Convertible Securities for which adjustments of the Exercise Price have been made pursuant to the other provisions of subsection 9(e).

     (3) Change in Option Price or Conversion Rate. Upon the happening of any of the following events, namely, if the purchase price provided for in any Option referred to in subsection 9(e)(ii)(l) hereof, the additional consideration, if any, payable upon the conversion or exchange of any Convertible Securities referred to in subsections 9(e)(ii)(l) or 9(e)(ii)(2), or the rate at which Convertible Securities referred to in subsections 9(e)(ii)(l) or 9(e)(ii)(2) are convertible into or exchangeable for Common Stock shall change at any time (including, but not limited to, changes under or by reason of provisions designed to protect against dilution), the Exercise Price in effect at the time of such event shall forthwith be readjusted to the Exercise Price that would have been in effect at such time had such Options or Convertible Securities still outstanding provided for such changed purchase price, additional consideration or conversion rate, as the case may be, at the time initially granted, issued or sold. On the termination of any Option for which any adjustment was made pursuant to this subsection 9(e) or any right to convert or exchange Convertible Securities for which any adjustment was made pursuant to this subsection 9(e) (including without limitation upon the redemption or purchase for consideration of such Convertible Securities by the Company), the Exercise Price then in effect hereunder shall forthwith be changed to the Exercise Price that would have been in effect at the time of such termination had such Option or Convertible Securities, to the extent outstanding immediately prior to such termination, never been issued.

     (4) Consideration for Stock. In case any shares of Common Stock, Options or Convertible Securities shall be issued or sold for cash, the consideration received therefor shall be deemed to be the gross amount received by the Company therefor. In case any shares of Common Stock, Options or Convertible Securities shall be issued or sold for a consideration other than cash, the amount of the consideration other than cash received by the Company shall be deemed to be the fair value of such consideration as determined in good faith by the Board of Directors of the Company. In case any Options shall be issued in connection with the issue and sale of other securities of the Company, together comprising one integral transaction in which no specific consideration is allocated to such Options by the parties thereto, such Options shall be deemed to have been issued for such consideration as determined in good faith by the Board of Directors of the Company. If Common Stock, Options or Convertible Securities shall be issued or sold by the Company and, in connection therewith, other Options or Convertible Securities (the “Additional Rights”) are issued, then the consideration received or deemed to be received by the Company shall be reduced by the fair market value of the Additional Rights (as determined using the Black-Scholes option pricing model or another method mutually agreed to by the Company and the Holder). The Board of Directors of the Company shall respond promptly, in writing, to an inquiry by the Holders as to the fair market value of the Additional Rights. In the event that the

Board of Directors of the Company and the Holder are unable to agree upon the fair market value of the Additional Rights, the Company and the Holder shall jointly select an appraiser, who is experienced in such matters. The decision of such appraiser shall be final and conclusive, and the cost of such appraiser shall be borne evenly by the Company and the Holder.

     (iii) Notwithstanding the foregoing, no adjustment will be made under this paragraph (e) in respect of: (i) the issuance of securities upon the exercise or conversion of any Common Stock or Common Stock Equivalents issued by the Company prior to the date hereof, (ii) the grant of options, warrants, Common Stock or other Common Stock Equivalents (but not including any amendments to such instruments) under any duly authorized Company stock option, restricted stock plan or stock purchase plan, whether now existing or hereafter approved by the Company and its stockholders, and the issuance of Common Stock in respect thereof, (iii) the issuance of securities in connection with a Strategic Transaction, (iv) the issuance of securities to vendors, or (v) the issuance of securities in a transaction described in Section 9(a) or 9(b). For purposes of this paragraph, a “Strategic Transaction” means a transaction or relationship in which (1) the Company issues shares of Common Stock to a Person that the Board of Directors of the Company determined in good faith is, itself or through its Subsidiaries, an operating company in a business synergistic with the business of the Company (or a shareholder thereof) and (2) the Company expects to receive benefits in addition to the investment of funds, but shall not include (x) a transaction in which the Company is issuing securities primarily for the purpose of raising capital or to a Person whose primary business is investing in securities or (y) issuances to lenders.

     (iv) Upon any adjustment to the Exercise Price pursuant to Section 9(e)(i) above, the number of Warrant Shares purchasable hereunder shall be adjusted by multiplying such number by a fraction, the numerator of which shall be the Exercise Price in effect immediately prior to such adjustment and the denominator of which shall be the Exercise Price in effect immediately thereafter. This provision shall not restrict the number of shares of Common Stock that a Holder may receive or beneficially own in order to determine the amount of securities or other consideration that such Holder may receive in the event of a transaction contemplated by Section 9 of this Warrant. Notwithstanding any other provisions in this Section 9 to the contrary, if a reduction in the Exercise Price pursuant to Section 9(e)(i) would require the Company to obtain stockholder approval of the transactions contemplated by the Purchase Agreement pursuant to Nasdaq Marketplace Rule 4350(i) and such stockholder approval has not been obtained, (i) the Exercise Price shall be reduced to the maximum extent that would not require stockholder approval under such Rule, and (ii) the Company shall use its commercially reasonable efforts to obtain such stockholder approval as soon as reasonably practicable, including by calling a special meeting of stockholders to vote on such Exercise Price adjustment.

     (f) Calculations. All calculations under this Section 9 shall be made to the nearest cent or the nearest 1/100^th of a share, as applicable. The number of shares of Common Stock outstanding at any given time shall not include shares owned or held by

or for the account of the Company, and the disposition of any such shares shall be considered an issue or sale of Common Stock.

     (g) Notice of Adjustments. Upon the occurrence of each adjustment pursuant to this Section 9, the Company at its expense will, at the written request of the Holder, promptly compute such adjustment in accordance with the terms of this Warrant and prepare a certificate setting forth such adjustment, including a statement of the adjusted Exercise Price and adjusted number or type of Warrant Shares or other securities issuable upon exercise of this Warrant (as applicable), describing the transactions giving rise to such adjustments and showing in detail the facts upon which such adjustment is based. Upon written request, the Company will promptly deliver a copy of each such certificate to the Holder and to the Company’s Transfer Agent.

     (h) Notice of Corporate Events. If, while this Warrant is outstanding, the Company (i) declares a dividend or any other distribution of cash, securities or other property in respect of its Common Stock, including without limitation any granting of rights or warrants to subscribe for or purchase any capital stock of the Company or any Subsidiary, (ii) authorizes or approves, enters into any agreement contemplating or solicits stockholder approval for any Fundamental Transaction or (iii) authorizes the voluntary dissolution, liquidation or winding up of the affairs of the Company, then, except if such notice and the contents thereof shall be deemed to constitute material non-public information, the Company shall deliver to the Holder a notice describing the material terms and conditions of such transaction at least 10 Trading Days prior to the applicable record or effective date on which a Person would need to hold Common Stock in order to participate in or vote with respect to such transaction, and the Company will take all reasonable steps to give Holder the practical opportunity to exercise this Warrant prior to such time; provided, however, that the failure to deliver such notice or any defect therein shall not affect the validity of the corporate action required to be described in such notice.

     10. Payment of Exercise Price. The Holder may pay the Exercise Price in one of the following manners:

     (a) Cash Exercise. The Holder may deliver immediately available funds; or

     (b) Cashless Exercise. If an Exercise Notice is delivered at a time when the Registration Statement is not then effective, then the Holder shall notify the Company in an Exercise Notice of its election to utilize cashless exercise, in which event the Company shall issue to the Holder the number of Warrant Shares determined as follows:

     X = Y [(A-B)/A]

     where:

     X = the number of Warrant Shares to be issued to the Holder.

     Y = the number of Warrant Shares with respect to which this Warrant is being exercised.

     A = the Closing Price on the Trading Day immediately prior to the Exercise Date.

     B = the Exercise Price.

     11. Limitations on Exercise. Notwithstanding anything to the contrary contained herein, the number of Warrant Shares that may be acquired by the Holder upon any exercise of this Warrant (or otherwise in respect hereof) shall be limited to the extent necessary to insure that, following such exercise (or other issuance), the total number of shares of Common Stock then beneficially owned by such Holder and its Affiliates and any other Persons whose beneficial ownership of Common Stock would be aggregated with the Holder’s for purposes of Section 13(d) of the Exchange Act, does not exceed 9.999% (the “Maximum Percentage”) of the total number of issued and outstanding shares of Common Stock (including for such purpose the shares of Common Stock issuable upon such exercise). For such purposes, beneficial ownership shall be determined in accordance with Section 13(d) of the Exchange Act and the rules and regulations promulgated thereunder. Each delivery of an Exercise Notice hereunder will constitute a representation by the Holder that it has evaluated the limitation set forth in this Section and determined that issuance of the full number of Warrant Shares requested in such Exercise Notice is permitted under this Section. The Company’s obligation to issue shares of Common Stock in excess of the limitation referred to in this Section shall be suspended (and, except as provided below, shall not terminate or expire notwithstanding any contrary provisions hereof) until such time, if any, as such shares of Common Stock may be issued in compliance with such limitation; provided, that, if, as of 5:00 p.m., New York City time, on the Expiration Date, the Company has not received written notice that the shares of Common Stock may be issued in compliance with such limitation, the Company’s obligation to issue such shares shall terminate. This provision shall not restrict the number of shares of Common Stock that a Holder may receive or beneficially own in order to determine the amount of securities or other consideration that such Holder may receive in the event of a Fundamental Transaction as contemplated in Section 9 of this Warrant. This restriction may not be waived.

     12. No Fractional Shares. No fractional Warrant Shares will be issued in connection with any exercise of this Warrant. In lieu of any fractional shares that would

otherwise be issuable, the Company shall pay cash equal to the product of such fraction multiplied by the closing price of one Warrant Share as reported by the applicable Trading Market on the Exercise Date.

     13. Notices. Any and all notices or other communications or deliveries hereunder (including, without limitation, any Exercise Notice) shall be in writing and shall be deemed given and effective on the earliest of (i) the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number specified in this Section at or prior to 5:00 p.m. (New York City time) on a Trading Day, (ii) the next Trading Day after the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number specified in this Section on a day that is not a Trading Day or later than 5:00 p.m. (New York City time) on any Trading Day, (iii) the Trading Day following the date of mailing, if sent by nationally recognized overnight courier service, or (iv) upon actual receipt by the party to whom such notice is required to be given. The addresses for such notices or communications shall be: if to the Company, to Capstone Turbine Corporation, 21211 Nordhoff Street, Chatsworth, California 91311, Attention: Chief Financial Officer, facsimile number (818) 734-5321 (or such other address as the Company shall indicate in writing in accordance with this Section) or (ii) if to the Holder, to the address or facsimile number appearing on the Warrant Register (or such other address as the Company shall indicate in writing in accordance with this Section).

     14. Warrant Agent. The Company shall serve as warrant agent under this Warrant. Upon 30 days’ notice to the Holder, the Company may appoint a new warrant agent. Any corporation into which the Company or any new warrant agent may be merged or any corporation resulting from any consolidation to which the Company or any new warrant agent shall be a party or any corporation to which the Company or any new warrant agent transfers substantially all of its corporate trust or shareholders services business shall be a successor warrant agent under this Warrant without any further act. Any such successor warrant agent shall promptly cause notice of its succession as warrant agent to be mailed (by first class mail, postage prepaid) to the Holder at the Holder’s last address as shown on the Warrant Register.

     15. Miscellaneous.

     (a) This Warrant shall be binding on and inure to the benefit of the parties hereto and their respective successors and assigns. Subject to the preceding sentence, nothing in this Warrant shall be construed to give to any Person other than the Company and the Holder any legal or equitable right, remedy or cause of action under this Warrant. This Warrant may be amended only in writing signed by the Company and the Holder, or their successors and assigns.

     (b) All questions concerning the construction, validity, enforcement and interpretation of this Warrant shall be governed by and construed and enforced in accordance with the internal laws of the State of New York, without regard to the principles of conflicts of law thereof. Each party agrees that all legal proceedings concerning the interpretations, enforcement and defense of this Warrant and the

transactions herein contemplated (“Proceedings”) (whether brought against a party hereto or its respective Affiliates, employees or agents) shall be commenced exclusively in the New York Courts. Each party hereto hereby irrevocably submits to the exclusive jurisdiction of the New York Courts for the adjudication of any dispute hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein, and hereby irrevocably waives, and agrees not to assert in any Proceeding, any claim that it is not personally subject to the jurisdiction of any New York Court, or that such Proceeding has been commenced in an improper or inconvenient forum. Each party hereto hereby irrevocably waives personal service of process and consents to process being served in any such Proceeding by mailing a copy thereof via registered or certified mail or overnight delivery (with evidence of delivery) to such party at the address in effect for notices to it under this Warrant and agrees that such service shall constitute good and sufficient service of process and notice thereof. Nothing contained herein shall be deemed to limit in any way any right to serve process in any manner permitted by law. Each party hereto hereby irrevocably waives, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Warrant or the transactions contemplated hereby. If either party shall commence a Proceeding to enforce any provisions of this Warrant, then the prevailing party in such Proceeding shall be reimbursed by the other party for its attorney’s fees and other costs and expenses incurred with the investigation, preparation and prosecution of such Proceeding.

     (c) The headings herein are for convenience only, do not constitute a part of this Warrant and shall not be deemed to limit or affect any of the provisions hereof.

     (d) In case any one or more of the provisions of this Warrant shall be invalid or unenforceable in any respect, the validity and enforceability of the remaining terms and provisions of this Warrant shall not in any way be affected or impaired thereby and the parties will attempt in good faith to agree upon a valid and enforceable provision which shall be a commercially reasonable substitute therefore, and upon so agreeing, shall incorporate such substitute provision in this Warrant.

     (e) Prior to exercise of this Warrant, the Holder hereof shall not, by reason of by being a Holder, be entitled to any rights of a stockholder with respect to the Warrant Shares

     IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed by its authorized officer as of the date first indicated above.

EXERCISE NOTICE

CAPSTONE TURBINE CORPORATION

WARRANT NO. ____ DATED JANUARY 24, 2007

Ladies and Gentlemen:

(1) The undersigned hereby elects to exercise the above-referenced Warrant with respect to ___ shares of Common Stock. Capitalized terms used herein and not otherwise defined herein have the respective meanings set forth in the Warrant.

(2) The Holder intends that payment of the Exercise Price shall be made as (check one):

o Cash Exercise under Section 10(a)

o Cashless Exercise under Section 10(b)

(3) If the Holder has elected a Cash Exercise, the holder shall pay the sum of $___ to the Company in accordance with the terms of the Warrant.

(4) Pursuant to this Exercise Notice, the Company shall deliver to the Holder the number of Warrant Shares determined in accordance with the terms of the Warrant.

(5) By its delivery of this Exercise Notice, the undersigned represents and warrants to the Company that in giving effect to the exercise evidenced hereby the Holder will not beneficially own in excess of the number of shares of Common Stock (as determined in accordance with Section 13(d) of the Securities Exchange Act of 1934) permitted to be owned under Section 11 of this Warrant to which this notice relates.

WARRANT ORIGINALLY ISSUED JANUARY 24, 2007
WARRANT NO. _____

FORM OF ASSIGNMENT

To be completed and signed only upon transfer of Warrant

FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto ____________ the right represented by the within Warrant to purchase ____________ shares of Common Stock to which the within Warrant relates and appoints ________ attorney to transfer said right on the books of the Company with full power of substitution in the premises.

In the presence of:

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