Common use of Restriction on Exercise Clause in Contracts

Restriction on Exercise. These Warrants may only be exercised between the following dates: (i) the earliest date on which the price per Share has traded at or above US$0.30 for at least three (3) trading days out of any ten (10) consecutive trading days; and (ii) the Expiration Date. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificates, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate). No service charge will be made for such registration or transfer, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in the number of issued Shares of the Company effected without receipt of consideration by the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company to justify such adjustments. Shares issued to the Warrant Holder upon exercise of these Warrants shall be registered under the Securities Act of 1933, as amended, and shall be freely transferrable. By signature of the Warrant Holder and the signature of the Company’s representative below, the Warrant Holder and the Company agree to the terms of these Warrants. LIGHTLAKE THERAPEUTICS INC. Warrant Hxxxxx Xxxxx Cxxxxxx, Chief Executive Officer EXHIBIT D Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ shares of the common stock covered by such warrant(s) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security Number: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:

Restriction on Exercise. These Warrants may only No Holder shall have the right to exercise this Warrant, to the extent that after giving effect to such exercise, the Holder (together with the Holder’s affiliates) would beneficially own in excess of 9.99% of the shares of the Common Stock outstanding immediately after giving effect to such exercise. For purposes of the foregoing sentence, the aggregate number of shares of Common Stock beneficially owned by the Holder and its affiliates shall include the number of shares of Common Stock issuable upon exercise of this Warrant with respect to which the determination of such sentence is being made, but shall exclude shares of Common Stock which would be exercised between the following dates: issuable upon (i) exercise of the earliest date remaining, unexercised portion of this Warrant beneficially owned by the Holder and its affiliates and (ii) exercise or conversion of the unexercised or unconverted portion of any other securities of the Company beneficially owned by the Holder and its affiliates (including, without limitation, any convertible notes or convertible preferred stock or warrants) subject to a limitation on which conversion or exercise analogous to the price per Share has traded limitation contained herein. Except as set forth in the preceding sentence, for purposes of this paragraph, beneficial ownership shall be calculated in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended. For purposes of this Warrant, in determining the number of outstanding shares of Common Stock, a holder may rely on the number of outstanding shares of Common Stock as reflected in (1) the Company’s most recent Quarterly Report on Form 10-QSB, Annual Report on Form 10-KSB or other public filing with the Securities and Exchange Commission, as the case may be, (2) a more recent public announcement by the Company or (3) any other notice by the Company or its transfer agent setting forth the number of shares of Common Stock outstanding. For any reason at any time, upon the written or above US$0.30 for at least oral request of the Holder, the Company shall, within three (3) trading days out of any ten (10) consecutive trading business days; and (ii) the Expiration Date. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder , confirm orally or in writing to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificates, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate)shares of Common Stock then outstanding. No service charge will be made for such registration or transferIn any case, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in the number of issued Shares outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company effected without receipt of consideration by the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company to justify such adjustments. Shares issued to the Warrant Holder upon exercise of these Warrants shall be registered under the Securities Act of 1933, as amended, and shall be freely transferrable. By signature of the Warrant Holder and its affiliates since the signature date as of the Company’s representative below, the Warrant Holder and the Company agree to the terms which such number of these Warrants. LIGHTLAKE THERAPEUTICS INC. Warrant Hxxxxx Xxxxx Cxxxxxx, Chief Executive Officer EXHIBIT D Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ outstanding shares of the common stock covered by such warrant(sCommon Stock was reported. The restriction described in this Section 2(e) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should may not be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security Number: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:revoked.

Restriction on Exercise. Your ability to exercise these Warrants is contingent on your and your officers, agents, and representatives keeping confidential information shared with you and your officers, agents, and representatives confidential and complying with all applicable laws and regulations. Vesting: 100% on March __, 2017 These Warrants may only be exercised between the following dates: (i) the earliest date on which the price per Share has traded at or above US$0.30 for at least three (3) trading days out of any ten (10) consecutive trading days; and (ii) the Expiration Datecash. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder you to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will shall make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificatescertificate, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate). No service charge will be made for such registration or transfer, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, Warrants in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in change of control and fundamental transaction. Upon the number exercise of issued Shares these Warrants, the fair market value per Share shall be equal to the closing price of the Company effected without receipt of consideration by Shares on the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company day prior to justify such adjustmentsexercise. Shares issued to the Warrant Holder upon exercise Exercise of these Warrants shall occur by your: (i) surrendering the exercised Warrants at the principal office of the Company together with a properly completed and signed Notice of Exercise of Warrant (as per Exhibit B), and (ii) providing via email a readable .pdf or scan of all of the documentation set forth in (i) to the email addresses of the Chief Executive Officer, Chief Financial Officer and Controller (if the Company has a Controller at such time) of the Company at the time of such surrender (the current applicable email addresses being: rxxxxxxx@xxxxxx.xxx and kxxxxxxx@xxxxxx.xxx). If only a portion of the Warrants are exercised as of a particular date, the number of Shares issued shall be registered rounded down to the nearest whole share. However, the number of Shares issued is rounded up to 100% on the final exercise date with respect to the Warrants. These Warrants may be delivered to you electronically with a scanned signature, in which case they shall have the same effect and force as if they had been delivered in original signed form. You shall not have any of the rights of a stockholder with respect to the Shares of Common Stock until such Shares have been issued to you upon the due exercise of the Warrants. No adjustment will be made for dividends or distributions or other rights for which the record date is prior to the date such Shares are issued. This Notice may be amended from time to time by the Company in its discretion; provided, however, that this Notice may not be modified in a manner that would have a materially adverse effect on the Warrants or Shares as determined in the discretion of the Company except as provided in a written document signed by you and the Company. This Notice and the Warrants granted hereunder are intended to comply with, or otherwise be exempt from, Section 409A of the Code. This Notice and the Warrants shall be administered, interpreted and construed in a manner consistent with this intent. Nothing in this Notice shall be construed as including any feature for the deferral of compensation other than the deferral of recognition of income until the exercise of the Warrants. Should any provision of this Notice be found not to comply with, or otherwise be exempt from, the provisions of Section 409A of the Code, it may be modified and given effect, in the sole discretion of the Company and without requiring your consent, in such manner as the Company determines to be necessary or appropriate to comply with, or to effectuate an exemption from, Section 409A of the Code. The foregoing, however, shall not be construed as a guarantee or warranty by the Company of any particular tax effect to you. Notwithstanding the foregoing, if at any time the Company determines that the delivery of Shares under this Notice is or may be unlawful under the Securities Act laws of 1933any applicable jurisdiction, as amendedor federal, and state or foreign securities laws, the right to exercise the Warrants or receive Shares pursuant to the Warrants shall be freely transferrablesuspended until the Company determines that such delivery is lawful. If at any time the Company determines that the delivery of Shares is or may violate the rules of the national securities exchange on which the shares are then listed for trade, the right to exercise the Warrants or receive Shares pursuant to the Warrants shall be suspended until the Company determines that such exercise or delivery would not violate such rules. By your signature of the Warrant Holder and the signature of the Company’s representative below, the Warrant Holder you and the Company agree to the terms of these Warrants. LIGHTLAKE THERAPEUTICS OPIANT PHARMACEUTICALS, INC. Warrant Hxxxxx Xxxxx CxxxxxxKxxxx Xxxxxxx, Chief Executive Financial Officer EXHIBIT D B Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Opiant Pharmaceuticals, Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ shares of the common stock covered by such warrant(s) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security NumberTax ID #: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:

Restriction on Exercise. These Warrants may only No Holder shall have the right to exercise this Warrant, to the extent that after giving effect to such exercise, the Holder (together with the Holder’s affiliates) would beneficially own in excess of 9.99% of the shares of the Common Stock outstanding immediately after giving effect to such exercise. For purposes of the foregoing sentence, the aggregate number of shares of Common Stock beneficially owned by the Holder and its affiliates shall include the number of shares of Common Stock issuable upon exercise of this Warrant with respect to which the determination of such sentence is being made, but shall exclude shares of Common Stock which would be exercised between the following dates: issuable upon (i) exercise of the earliest date remaining, unexercised portion of this Warrant beneficially owned by the Holder and its affiliates and (ii) exercise or conversion of the unexercised or unconverted portion of any other securities of the Company beneficially owned by the Holder and its affiliates (including, without limitation, any convertible notes or convertible preferred stock or warrants) subject to a limitation on which conversion or exercise analogous to the price per Share has traded limitation contained herein. Except as set forth in the preceding sentence, for purposes of this paragraph, beneficial ownership shall be calculated in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended. For purposes of this Warrant, in determining the number of outstanding shares of Common Stock, a holder may rely on the number of outstanding shares of Common Stock as reflected in (1) the Company’s most recent Quarterly Report on Form 10-QSB, Annual Report on Form 10-KSB or other public filing with the Commission, as the case may be, (2) a more recent public announcement by the Company or (3) any other notice by the Company or its transfer agent setting forth the number of shares of Common Stock outstanding. For any reason at any time, upon the written or above US$0.30 for at least oral request of the Holder, the Company shall, within three (3) trading days out of any ten (10) consecutive trading business days; and (ii) the Expiration Date. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder , confirm orally or in writing to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificates, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate)shares of Common Stock then outstanding. No service charge will be made for such registration or transferIn any case, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in the number of issued Shares outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company effected without receipt of consideration by the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company to justify such adjustments. Shares issued to the Warrant Holder upon exercise of these Warrants shall be registered under the Securities Act of 1933, as amended, and shall be freely transferrable. By signature of the Warrant Holder and its affiliates since the signature date as of the Company’s representative below, the Warrant Holder and the Company agree to the terms which such number of these Warrants. LIGHTLAKE THERAPEUTICS INC. Warrant Hxxxxx Xxxxx Cxxxxxx, Chief Executive Officer EXHIBIT D Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ outstanding shares of the common stock covered by such warrant(sCommon Stock was reported. The restriction described in this Section 2(e) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should may not be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security Number: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:revoked.

Restriction on Exercise. These Warrants may only be exercised between the following dates: (i) the earliest date on which the price per Share has traded at or above US$0.30 for at least three (3) trading days out of any ten (10) consecutive trading days; and (ii) the Expiration Date. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificates, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate). No service charge will be made for such registration or transfer, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in the number of issued Shares of the Company effected without receipt of consideration by the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company to justify such adjustments. Shares issued to the Warrant Holder upon exercise of these Warrants shall be registered under the Securities Act of 1933, as amended, and shall be freely transferrable. By signature of the Warrant Holder and the signature of the Company’s representative below, the Warrant Holder and the Company agree to the terms of these Warrants. LIGHTLAKE THERAPEUTICS INC. Warrant Hxxxxx Xxxxx CxxxxxxHolder Mxxxxxx Xxxxxxxx, Chief Executive Officer Chairman EXHIBIT D Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ shares of the common stock covered by such warrant(s) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security Number: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:

Restriction on Exercise. These Warrants may only No Holder shall have the right to exercise this Warrant, to the extent that after giving effect to such exercise, the Holder (together with the Holder's affiliates) would beneficially own in excess of 9.99% of the shares of the Common Stock outstanding immediately after giving effect to such exercise. For purposes of the foregoing sentence, the aggregate number of shares of Common Stock beneficially owned by the Holder and its affiliates shall include the number of shares of Common Stock issuable upon exercise of this Warrant with respect to which the determination of such sentence is being made, but shall exclude shares of Common Stock which would be exercised between the following dates: issuable upon (i) exercise of the earliest date remaining, unexercised portion of this Warrant beneficially owned by the Holder and its affiliates and (ii) exercise or conversion of the unexercised or unconverted portion of any other securities of the Company beneficially owned by the Holder and its affiliates (including, without limitation, any convertible notes or convertible preferred stock or warrants) subject to a limitation on which conversion or exercise analogous to the price per Share has traded limitation contained herein. Except as set forth in the preceding sentence, for purposes of this paragraph, beneficial ownership shall be calculated in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended. For purposes of this Warrant, in determining the number of outstanding shares of Common Stock, a holder may rely on the number of outstanding shares of Common Stock as reflected in (1) the Company's most recent Quarterly Report on Form 10-QSB, Annual Report on Form 10-KSB or other public filing with the Commission, as the case may be, (2) a more recent public announcement by the Company or (3) any other notice by the Company or its transfer agent setting forth the number of shares of Common Stock outstanding. For any reason at any time, upon the written or above US$0.30 for at least oral request of the Holder, the Company shall, within three (3) trading days out of any ten (10) consecutive trading business days; and (ii) the Expiration Date. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder , confirm orally or in writing to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificates, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate)shares of Common Stock then outstanding. No service charge will be made for such registration or transferIn any case, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in the number of issued Shares outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company effected without receipt of consideration by the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company to justify such adjustments. Shares issued to the Warrant Holder upon exercise of these Warrants shall be registered under the Securities Act of 1933, as amended, and shall be freely transferrable. By signature of the Warrant Holder and its affiliates since the signature date as of the Company’s representative below, the Warrant Holder and the Company agree to the terms which such number of these Warrants. LIGHTLAKE THERAPEUTICS INC. Warrant Hxxxxx Xxxxx Cxxxxxx, Chief Executive Officer EXHIBIT D Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ outstanding shares of the common stock covered by such warrant(sCommon Stock was reported. The restriction described in this Section 2(e) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should may not be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security Number: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:revoked.

Restriction on Exercise. Your ability to exercise these Warrants is contingent on your and your officers, agents, and representatives keeping confidential information shared with you and your officers, agents, and representatives confidential and complying with all applicable laws and regulations. Vesting: 100% on March __, 2017 These Warrants may only be exercised between the following dates: (i) the earliest date on which the price per Share has traded at or above US$0.30 for at least three (3) trading days out of any ten (10) consecutive trading days; and (ii) the Expiration Datecash. Following receipt by the Company of evidence and/or an indemnity from the Warrant Holder you to the Company in a form reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will shall make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificatescertificate, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate). No service charge will be made for such registration or transfer, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, Warrants in the event of a stock split, stock dividend, reclassification, recapitalization, or any other increase or decrease in change of control and fundamental transaction. Upon the number exercise of issued Shares these Warrants, the fair market value per Share shall be equal to the closing price of the Company effected without receipt of consideration by Shares on the Company, or upon any other event reasonably determined by a majority of the Board of Directors of the Company day prior to justify such adjustmentsexercise. Shares issued to the Warrant Holder upon exercise Exercise of these Warrants shall occur by your: (i) surrendering the exercised Warrants at the principal office of the Company together with a properly completed and signed Notice of Exercise of Warrant (as per Exhibit B), and (ii) providing via email a readable .pdf or scan of all of the documentation set forth in (i) to the email addresses of the Chief Executive Officer, Chief Financial Officer and Controller (if the Company has a Controller at such time) of the Company at the time of such surrender (the current applicable email addresses being: xxxxxxxx@xxxxxx.xxx and xxxxxxxx@xxxxxx.xxx). If only a portion of the Warrants are exercised as of a particular date, the number of Shares issued shall be registered rounded down to the nearest whole share. However, the number of Shares issued is rounded up to 100% on the final exercise date with respect to the Warrants. These Warrants may be delivered to you electronically with a scanned signature, in which case they shall have the same effect and force as if they had been delivered in original signed form. You shall not have any of the rights of a stockholder with respect to the Shares of Common Stock until such Shares have been issued to you upon the due exercise of the Warrants. No adjustment will be made for dividends or distributions or other rights for which the record date is prior to the date such Shares are issued. This Notice may be amended from time to time by the Company in its discretion; provided, however, that this Notice may not be modified in a manner that would have a materially adverse effect on the Warrants or Shares as determined in the discretion of the Company except as provided in a written document signed by you and the Company. This Notice and the Warrants granted hereunder are intended to comply with, or otherwise be exempt from, Section 409A of the Code. This Notice and the Warrants shall be administered, interpreted and construed in a manner consistent with this intent. Nothing in this Notice shall be construed as including any feature for the deferral of compensation other than the deferral of recognition of income until the exercise of the Warrants. Should any provision of this Notice be found not to comply with, or otherwise be exempt from, the provisions of Section 409A of the Code, it may be modified and given effect, in the sole discretion of the Company and without requiring your consent, in such manner as the Company determines to be necessary or appropriate to comply with, or to effectuate an exemption from, Section 409A of the Code. The foregoing, however, shall not be construed as a guarantee or warranty by the Company of any particular tax effect to you. Notwithstanding the foregoing, if at any time the Company determines that the delivery of Shares under this Notice is or may be unlawful under the Securities Act laws of 1933any applicable jurisdiction, as amendedor federal, and state or foreign securities laws, the right to exercise the Warrants or receive Shares pursuant to the Warrants shall be freely transferrablesuspended until the Company determines that such delivery is lawful. If at any time the Company determines that the delivery of Shares is or may violate the rules of the national securities exchange on which the shares are then listed for trade, the right to exercise the Warrants or receive Shares pursuant to the Warrants shall be suspended until the Company determines that such exercise or delivery would not violate such rules. By your signature of the Warrant Holder and the signature of the Company’s representative below, the Warrant Holder you and the Company agree to the terms of these Warrants. LIGHTLAKE THERAPEUTICS OPIANT PHARMACEUTICALS, INC. Warrant Hxxxxx Xxxxx CxxxxxxXxxxxxx, Chief Executive Financial Officer -x- EXHIBIT D B Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Opiant Pharmaceuticals, Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ shares of the common stock covered by such warrant(s) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security NumberTax ID #: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:

Restriction on Exercise. These Warrants may only Notwithstanding anything to the contrary contained herein, this Warrant shall not be exercised between the following dates: (i) the earliest date on which the price per Share has traded at or above US$0.30 for at least three (3) trading days out of any ten (10) consecutive trading days; and (ii) the Expiration Date. Following receipt exercisable by the Company of evidence and/or an indemnity from the Warrant Holder holder hereof to the Company in a form reasonably satisfactory extent (but only to the Company extent) that, if exercisable by such holder, such holder, any of the loss, theft, destruction or mutilation of these Warrants or any certificates for representing the Shares underlying these Warrants and, in the event of mutilation, following the surrender and cancellation of such Warrants or stock certificate, the Company will make and deliver replacement Warrants or stock certificate of like tenor and dated as of such cancellation, in lieu of these Warrants or stock certificates, without any charge therefor, it being understood that the making and/or delivery of such replacement Warrants or stock certificates by the Company will not be unreasonably withheld. Any such replacement Warrants or stock certificates shall be subject to the same terms, conditions, and restrictions as these Warrants and any Shares underlying these Warrants. Subject to the restrictions and requirements of applicable law, these Warrants are exchangeable at any time for an equal aggregate number of warrants of different denominations, as reasonably requested by the Warrant Holder surrendering the same, or in such denominations as may be requested by the Warrant Holder (but not exceeding the number of Shares underlying the Warrants in these Warrants in the aggregate). No service charge will be made for such registration or transfer, exchange or reissuance. Proportionate adjustments shall automatically be made to both the Exercise Price and number of these Warrants, and the Restriction on Exercise, in the event of a stock split, stock dividend, reclassification, recapitalizationits affiliates, or any other increase Person which may be deemed to be acting as a group in concert with such holder or decrease any of its affiliates for the purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations promulgated thereunder, would beneficially own in excess of 4.9% (the number “Applicable Percentage”) of issued Shares the outstanding shares of Common Stock. To the extent the above limitation applies, the determination of whether this Warrant shall be exercisable (vis-a-vis other convertible, exercisable or exchangeable securities owned by such holder) and of which warrants shall be exercisable (as among all warrants owned by such holder) shall, subject to such Applicable Percentage limitation, be determined on the basis of the first submission to the Company for conversion, exercise or exchange (as the case may be). No prior inability to exercise this Warrant pursuant to this Section 18 shall have any effect on the applicability of the provisions of this Section 18 with respect to any subsequent determination of exercisability. For the purposes of this Section 18, beneficial ownership and all determinations and calculations (including, without limitation, with respect to calculations of percentage ownership) shall be determined in accordance with Section 13(d) of the Exchange Act and the rules and regulations promulgated thereunder. The provisions of this Section 18 shall be implemented in a manner otherwise than in strict conformity with the terms this Section 18 to correct this Section 18 (or any portion hereof) which may be defective or inconsistent with the intended Applicable Percentage beneficial ownership limitation herein contained or to make changes or supplements necessary or desirable to properly give effect to such Applicable Percentage limitation. The limitations contained in this Section 18 shall apply to a successor holder of this Warrant. The holders of Common Stock of the Company effected shall be third party beneficiaries of this Section 18 and the Company may not waive this Section 18 without receipt the consent of consideration by the Company, or upon any other event reasonably determined by holders of a majority of the Board of Directors of the Company to justify such adjustments. Shares issued to the Warrant Holder upon exercise of these Warrants shall be registered under the Securities Act of 1933, as amended, and shall be freely transferrable. By signature of the Warrant Holder and the signature of the Company’s representative below, the Warrant Holder and the Company agree to the terms of these Warrants. LIGHTLAKE THERAPEUTICS INC. Warrant Hxxxxx Xxxxx Cxxxxxx, Chief Executive Officer EXHIBIT D Form of Notice of Exercise of Warrant Ladies and Gentlemen: This letter constitutes an unconditional and irrevocable notice that I hereby exercise the warrant(s) granted to me by Lightlake Therapeutics Inc., a Nevada corporation (the “Company”) on _______________ at a fair market value of US$ ______ per share. Pursuant to the terms of such warrant(s), I wish to purchase _______________ shares of the common stock covered by such warrant(s) at the exercise price(s) of US$ ______ per share via cash exercise, for a total aggregate purchase price of US$_______________, which I agree to promptly provide to the Company. Electronic delivery of this signed notice along with electronic delivery of such warrant(s) shall have the same exercise effect as surrendering such warrant(s) at the principal office of the Company together with the properly signed Notice of Exercise of Warrant. These shares should be registered under the Securities Act of 1933, as amended, and delivered as follows: Name: Address: Social Security Number: I represent that I will not dispose of such shares in any manner that would involve a violation of applicable securities laws. Dated: By: Name:its Common Stock.