Document:

EXHIBIT
10.2 

 

IMPRIMIS
PHARMACEUTICALS, INC.

AMENDED AND RESTATED 2007 INCENTIVE STOCK AND AWARDS PLAN

 

PERFORMANCE
STOCK UNITS AGREEMENT

 

Effective
as of April 25, 2016 (the “Grant Date”), Imprimis Pharmaceuticals, Inc., a Delaware corporation (the “Company”),
has awarded to Mark Baum (“Grantee”) a targeted number of 1,050,000 Performance Stock Units (the “Performance
Stock Units” or “Award”) to be calculated and determined as discussed below. Each Performance Stock Unit will
represent an unfunded and unsecured promise of the Company to deliver shares of common stock, par value $0.01 per share, of the
Company (the “Shares”) to Grantee as set forth herein. Each Performance Stock Unit will be subject to forfeiture until
the date such Performance Stock Unit vests pursuant to Section 1 of this Performance Stock Units Agreement (this “Agreement”).
The Performance Stock Units have been granted pursuant to the Imprimis Pharmaceuticals, Inc. Amended and Restated 2007 Incentive
Stock and Awards Plan (the “Plan”), and shall be subject to all provisions of the Plan, which are incorporated herein
by reference, and of this Agreement and the Employment Agreement between the Grantee and the Company dated April 25, 2016 as it
may be amended from time to time (the “Employment Agreement”). Capitalized terms used in this Agreement that are not
specifically defined or referenced to the Employment Agreement will have the meanings ascribed to such terms in the Plan.

 

1.
Vesting. The Performance Stock Units will vest upon the five (5) year anniversary of the Effective Date of the Employment
Agreement (the “5 Year Anniversary”), provided that Grantee is in continuous service with the Company or its Affiliates
through such date. Notwithstanding the foregoing, the Performance Stock Units will accelerate vesting sooner upon the earlier
of (x) upon the achievement of the performance vesting conditions specified in Section 1(a) below, in which case the Performance
Stock Units shall accelerate to the extent described in Section 1(a) below; (y) a Change in Control in which the Performance Stock
Units are not assumed, continued or substituted for by the acquiring or surviving company or entity, in which case the Performance
Stock Units shall accelerate and vest in full or (z) upon certain types of Grantee’s termination as described in Section
1(b) below. The date on which any portion of the Performance Stock Units vest under the terms of this Section 1 is referred to
as the “Vesting Date” for such Performance Stock Units. Except as provided in Section 1(b), any Performance Stock
Units that are unvested as of Grantee’s termination of continuous service with the Company and its Affiliates shall be immediately
forfeited and any Performance Stock Units that have not vested on or before the 5 Year Anniversary shall immediately expire.

  

(a)
Performance Vesting. The following five tranches (each, a “Tranche”) of Performance Stock Units shall accelerate
and vest upon the attainment of the target share price (the “Target Share Price”) as specified below on or prior to
the 5 Year Anniversary (such five-year period, the “Performance Period”):

 

	Tranche	 	No.
    of Shares	 	Target
    Share Price
	Tranche
    1	 	200,000
    Performance Stock Units	 	$9.00
    or greater
	Tranche
    2	 	200,000
    Performance Stock Units	 	$10.00
    or greater
	Tranche
    3	 	200,000
    Performance Stock Units	 	$12.00
    or greater
	Tranche
    4	 	200,000
    Performance Stock Units	 	$14.00
    or greater
	Tranche
    5	 	250,000
    Performance Stock Units	 	$15.00
    or greater

 

    	1

    	 

    

 

Each
Tranche may only vest once. Except as otherwise specified below, for each respective Tranche to accelerate and vest under this
Section 1(a), all three of the following conditions must be met:

 

(i)
a Trigger Date may occur any time after the Grant Date and during the Performance Period. A “Trigger Date” means any
trading day on which the official closing price per Share (the “Closing Price”) is at or above the Target Share Price
for the respective Tranche. Notwithstanding the foregoing, the Committee will, in such manner as the Committee determines is appropriate
in its discretion, include the value of stock dividends distributed to the stockholders of the Company in connection with spin-offs
or similar transactions for purposes of determining whether the Target Share Price has been achieved;

 

(ii)
during the period that includes the Trigger Date and the immediately following 19 trading days (each, a “Measurement Period”),
the arithmetic mean of the 20 Closing Prices during the Measurement Period must be at or above the Target Share Price for such
Tranche (the “20 Closing Price Condition”); and

 

(iii)
the Grantee must be in continuous service with the Company and its Affiliates through the Performance Period (the “Service
Condition”).

 

To
the extent all three of the above conditions are met, the applicable number of Performance Stock Units shall accelerate and vest
in full on the first trading day immediately following the Measurement Period for the Trigger Date. Notwithstanding the foregoing,
in the event of a Change in Control, the per-Share transaction consideration received by stockholders of the Company upon the
Change in Control (as determined in accordance with the terms and conditions of the applicable definitive agreement that results
in the Change in Control) shall be used as the Closing Price for purposes of determining if a Trigger Date has occurred and the
20 Closing Price Condition shall be inapplicable for determining whether any Tranche shall vest as a result of the Change in Control.

 

(b)
Involuntary Termination.

 

(i)
If the Grantee’s continuous service is terminated as a result of an Involuntary Termination (as defined in the Employment
Agreement) at any time after the Grant Date and on or prior to the thirty (30) day period prior to the 5 Year Anniversary, then,
Grantee’s unvested Performance Stock Units shall remain outstanding and eligible to accelerate vesting pursuant to their
terms for the Continuation Period (defined below) as if Grantee’s continuous service had continued for such Continuation
Period, provided that, in order to receive any vesting during the Continuation Period, Grantee satisfies the conditions
set forth in Section 11.4 of the Employment Agreement, which include the execution and delivery of an effective release of claims.
The “Continuation Period” means the period of time beginning on the date of Involuntary Termination and continuing
until the earlier of (i) eighteen (18) months thereafter and (ii) one day before the 5 Year Anniversary.

 

    	2

    	 

    

 

(ii)
If Grantee’s Involuntary Termination (as described in the Employment Agreement) occurs within the one (1) month period prior
to, or twelve (12) months following, a Change in Control, and in any case before the 5 Year Anniversary, then the Performance
Stock Units shall accelerate and vest in full; provided that, in order to receive any such vesting acceleration, Grantee
satisfies the conditions set forth in Section 11.4 of the Employment Agreement, which include the execution and delivery of an
effective release of claims.

 

2.
Transferability. Prior to the time that Shares are delivered to Grantee, the Performance Stock Units shall not be transferable
other than by will or by the laws of descent and distribution. During the lifetime of the Grantee, the Performance Stock Units
shall be exercisable only by the Grantee or, in the event of his or her disability, by his or her guardian or legal representative,
except that, with the prior written consent of the Committee (or its authorized designee), the Performance Stock Units may be
transferred under the following circumstances, to the extent permissible under applicable securities laws: (i) to a trust for
the benefit of the Grantee; (ii) to a member of the Grantee’s immediate family (or a trust for his or her benefit) or (iii)
pursuant to a domestic relations order or official marital settlement agreement that contains the information required by the
Company to effectuate the transfer. Upon any of the foregoing permitted transfers, the Grantee and the transferee must enter into
any transfer or other agreement as required by the Company. In no event may this Award be transferred for consideration.

 

3.
Forfeiture/Termination of Employment. Except as set forth in Section 1, if a termination of employment of Grantee occurs
prior to the vesting in full of the Performance Stock Units, any unvested portion of such Performance Stock Units shall be forfeited
by Grantee. For the avoidance of doubt, any Performance Stock Units not vested as of the 5 Year Anniversary shall be forfeited
by Grantee, unless otherwise agreed by the Company and the Grantee.

 

4.
Triggering Conduct. As used in this Agreement, “Triggering Conduct” shall mean Grantee’s material breach
of any provision of Section 14.3 and 14.4 of the Employment Agreement or Grantee’s breach of any provision of Grantee’s
Proprietary Agreement (as defined in the Employment Agreement).

 

5.
Special Forfeiture/Repayment Rules. For so long as Grantee continues as an employee with the Company or any of its affiliates
and for one (1) year following termination of employment regardless of the reason, Grantee agrees not to engage in Triggering
Conduct. If Grantee engages in Triggering Conduct during the time period set forth in the preceding sentence, then Grantee shall,
within sixty (60) days following written notice from the Company (subject to the opportunity to cure described below), pay to
the Company an amount equal to (x) the aggregate gross gain realized or obtained by Grantee resulting from the settlement of all
Performance Stock Units pursuant to Section 6 hereof (measured as of the settlement date (i.e., the market value of the Performance
Stock Units on such settlement date)) that have already been settled and that had vested at any time within three years prior
to the Triggering Conduct (the “Look-Back Period”), minus (y) $1.00. Before the Company seeks recovery from Grantee
pursuant to the foregoing sentence, Grantee shall be provided an opportunity to be heard by the full Committee and an opportunity
to cure the material breach, if curable, within thirty (30) days from the written notice of such material breach is received by
Grantee. Grantee may be released from Grantee’s obligations under this Section 5 if and only if the Committee (or its duly
appointed designee) authorizes, in writing and in its sole discretion, such release. This Section 5 prohibits certain conduct
while Grantee is associated with the Company or any of its affiliates and thereafter and does provide for the forfeiture or repayment
of the benefits granted by this Agreement under certain circumstances. No provisions of this Agreement shall diminish, negate
or otherwise impact any separate agreement to which Grantee may be a party, including, without limitation, any certificate of
compliance or similar attestation/certification signed by Grantee; provided, however, that to the extent that any provisions contained
in any other agreement are inconsistent in any manner with the restrictions and covenants of Grantee contained in this Agreement,
the provisions of this Agreement shall take precedence and such other inconsistent provisions shall be null and void as to this
Agreement. Grantee acknowledges and agrees that the restrictions contained in this Agreement are being made for the benefit of
the Company in consideration of Grantee’s receipt of the Performance Stock Units, in consideration of employment, in consideration
of exposing Grantee to the Company’s business operations and confidential information, and for other good and valuable consideration,
the adequacy of which consideration is hereby expressly confirmed. Grantee further acknowledges that the receipt of the Performance
Stock Units and execution of this Agreement are voluntary actions on the part of Grantee and that the Company is unwilling to
provide the Performance Stock Units to Grantee without including the restrictions and covenants of Grantee contained in this Agreement.
Further, the parties agree and acknowledge that the provisions contained in Sections 4 and 5 are ancillary to, or part of, an
otherwise enforceable agreement at the time the agreement is made.

 

    	3

    	 

    

 

6.
Payment. Subject to the provisions of Sections 4 and 5 of this Agreement, and unless Grantee makes an effective election
to defer receipt of the Shares represented by the Performance Stock Units, on the Vesting Date, Grantee shall be entitled to receive
from the Company (without any payment on behalf of Grantee other than as described in Section 10) the Shares represented by such
Performance Stock Units; provided, however, that where the vesting of any Performance Stock Unit occurs in connection with Grantee’s
Involuntary Termination or termination due to Disability, if the distribution in connection with such acceleration is subject
to Section 409A of the Code and Grantee is a “specified employee” (determined in accordance with Section 409A of the
Code), Grantee shall be entitled to receive the corresponding Shares from the Company on the date that is the first day of the
seventh (7th) month after Grantee’s “separation from service” with the Company (determined in accordance
with Section 409A of the Code). Elections to defer receipt of the Shares beyond the date of settlement provided herein may be
permitted in the discretion of the Committee pursuant to procedures established by the Committee in compliance with the requirements
of Section 409A of the Code.

 

7.
Dividend Equivalents. Grantee shall not be entitled to receive any cash dividends on the Performance Stock Units. However,
to the extent the Company determines to pay a cash dividend to holders of the Shares, Grantee shall, with respect to each Performance
Stock Unit, be entitled to receive a cash payment from the Company on each cash dividend payment date with respect to the Shares
with a record date between the Grant Date and the settlement of such Performance Stock Unit pursuant to Section 6 hereof, such
cash payment to be in an amount equal to the dividend that would have been paid on the Shares represented by such Performance
Stock Unit. Cash payments on each cash dividend payment date with respect to the Shares with a record date prior to a Vesting
Date shall be accrued until the Vesting Date and paid thereon (subject to the same vesting requirements as the underlying Performance
Stock Units). Elections to defer receipt of the cash payments in lieu of cash dividends beyond the date of settlement provided
herein may be permitted in the discretion of the Committee pursuant to procedures established by the Company in compliance with
the requirements of Section 409A of the Code.

 

    	4

    	 

    

 

8.
Right of Set-Off. By accepting these Performance Stock Units, Grantee consents to a deduction from, and set-off against,
any amounts owed to Grantee that are not treated as “non-qualified deferred compensation” under Section 409A of the
Code by the Company or any of its affiliates from time to time (including, but not limited to, amounts owed to Grantee as wages,
severance payments or other fringe benefits) to the extent of the amounts owed by Grantee to the Company or any of its affiliates
under this Agreement.

 

9.
No Stockholder Rights. Grantee shall have no rights of a stockholder with respect to the Performance Stock Units, including,
without limitation, any right to vote the Shares represented by the Performance Stock Units unless and until such Shares are delivered
to Grantee.

 

10.
Withholding Tax.

 

(a)
Generally. Grantee is liable and responsible for all withholding taxes owed in connection with the Performance Stock Units
(including taxes owed with respect to any cash payments described in Section 7 hereof), regardless of any action the Company takes
with respect to any tax withholding obligations that arise in connection with the Performance Stock Units. The Company does not
make any representation or undertaking regarding the tax treatment or the treatment of any tax withholding in connection with
the grant or vesting of the Performance Stock Units or the subsequent sale of Shares issuable upon settlement of the Performance
Stock Units. The Company does not commit and is under no obligation to structure the Performance Stock Units to reduce or eliminate
Grantee’s tax liability.

 

(b)
Payment of Withholding Taxes. Prior to any event in connection with the Performance Stock Units (e.g., vesting or settlement)
that the Company determines may result in any domestic or foreign tax withholding obligation, whether national, federal, state
or local, including any employment tax obligation (the “Tax Withholding Obligation”), Grantee is required to arrange
for the satisfaction of the minimum amount of such Tax Withholding Obligation in a manner acceptable to the Company.

 

(i)
By Share Withholding. Unless Grantee elects to satisfy the Tax Withholding Obligation pursuant to Sections 10(b)(ii) or
10(b)(iii), Grantee’s acceptance of this Agreement constitutes Grantee’s instruction and authorization to the Company
to retain on Grantee’s behalf the number of Shares from those Shares issuable to Grantee under the Award as the Company
determines to be sufficient to satisfy the Tax Withholding Obligation as owed when any such obligation becomes due. The value
of any Shares retained for such purposes shall be based on the Fair Market Value, as the term is defined in the Plan, of the Shares
on the date of vesting of the Performance Stock Units. To the extent that the Company retains any Shares to cover the Tax Withholding
Obligation, it will do so at the minimum statutory rate, but in no event shall such amount exceed the minimum required by applicable
law and regulations.

 

    	5

    	 

    

 

(ii)
By Sale of Shares. No later than five (5) business days prior to a Vesting Date, Grantee may instruct and authorize the
Company and any brokerage firm determined acceptable to the Company for such purpose to sell on Grantee’s behalf a whole
number of Shares from those Shares issuable to Grantee as the Company determines to be appropriate to generate cash proceeds sufficient
to satisfy the minimum applicable Tax Withholding Obligation. Such Shares will be sold on the day such Tax Withholding Obligation
arises (e.g., a vesting date) or as soon thereafter as practicable. Grantee will be responsible for all broker’s fees and
other costs of sale, and Grantee agrees to indemnify and hold the Company harmless from any losses, costs, damages, or expenses
relating to any such sale. To the extent the proceeds of such sale exceed Grantee’s minimum Tax Withholding Obligation,
the Company agrees to pay such excess in cash to Grantee. Grantee acknowledges that the Company or its designee is under no obligation
to arrange for such sale at any particular price, and that the proceeds of any such sale may not be sufficient to satisfy Grantee’s
minimum Tax Withholding Obligation. Accordingly, Grantee agrees to pay to the Company or any Subsidiary as soon as practicable,
including through additional payroll withholding, any amount of the Tax Withholding Obligation that is not satisfied by the sale
of Shares described herein.

 

(iii)
By Check, Wire Transfer or Other Means. No later than five (5) business days prior to a Vesting Date, Grantee may elect
to satisfy Grantee’s Tax Withholding Obligation by delivering to the Company an amount that the Company determines is sufficient
to satisfy the Tax Withholding Obligation by (x) wire transfer to such account as the Company may direct, (y) delivery of a certified
check payable to the Company, or (z) such other means as specified from time to time by the Administrator.

 

(iv)
Notwithstanding anything to the contrary set forth above, the Company shall have the right to deduct from all cash payments paid
pursuant to Section 7 hereof the amount of any taxes which the Company is required to withhold with respect to such payments.

 

11.
Governing Law/Venue for Dispute Resolution. This Agreement shall be governed by the laws of the State of Delaware, without
regard to principles of conflicts of law, except to the extent superseded by the laws of the United States of America. The parties
agree and acknowledge that the laws of the State of Delaware bear a substantial relationship to the parties and/or this Agreement
and that the Performance Stock Units and benefits granted herein would not be granted without the governance of this Agreement
by the laws of the State of Delaware. In addition, all disputes relating to this Agreement shall be resolved exclusively pursuant
to the terms of Section 16 of the Employment Agreement.

 

12.
Action by the Committee. The parties agree that the interpretation of this Agreement shall rest exclusively and completely
within the sole discretion of the Committee. The parties agree to be bound by the decisions of the Committee with regard to the
interpretation of this Agreement and with regard to any and all matters set forth in this Agreement. The Committee may delegate
its functions under this Agreement to an officer of the Company designated by the Committee (hereinafter the “designee”).
In fulfilling its responsibilities hereunder, the Committee or its designee may rely upon documents, written statements of the
parties or such other material as the Committee or its designee deems appropriate. The parties agree that, except as described
in Section 5, there is no right to be heard or to appear before the Committee or its designee and that any decision of the Committee
or its designee relating to this Agreement shall be final and binding unless such decision is arbitrary and capricious.

 

    	6

    	 

    

 

13.
Prompt Acceptance of Agreement. The Performance Stock Unit award evidenced by this Agreement shall, at the discretion of
the Committee, be forfeited if this Agreement is not manually executed and returned to the Company, or electronically executed
by Grantee by indicating Grantee’s acceptance of this Agreement in accordance with the Company’s applicable acceptance
procedures, within ninety (90) days after the Grant Date.

 

14.
Electronic Delivery and Consent to Electronic Participation. The Company may, in its sole discretion, decide to deliver
any documents related to the Performance Stock Unit grant under and participation in the Plan or future Performance Stock Units
that may be granted under the Plan by electronic means. Grantee hereby consents to receive such documents by electronic delivery
and to participate in the Plan through an on-line or electronic system established and maintained by the Company or another third
party designated by the Company, including the acceptance of this Performance Stock Unit award and the execution of this Agreement
through electronic signature.

 

15.
Notices. All notices, requests, consents and other communications required or provided under this Agreement to be delivered
by Grantee to the Company will be in writing and will be deemed sufficient if delivered by hand, facsimile, nationally recognized
overnight courier, or certified or registered mail, return receipt requested, postage prepaid, and will be effective upon delivery
to the Company at the address set forth below:

 

Imprimis
Pharmaceuticals, Inc.

12264
El Camino Real, Suite 350

San
Diego, CA 92130

Attention:
Chief Executive Officer

Facsimile:
858-345-1745

 

All
notices, requests, consents and other communications required or provided under this Agreement to be delivered by the Company
to Grantee may be delivered by e-mail or in writing and will be deemed sufficient if delivered by e-mail, hand, facsimile, nationally
recognized overnight courier, or certified or registered mail, return receipt requested, postage prepaid, and will be effective
upon delivery to the Grantee at the address set forth on the Grantee’s acceptance of this Agreement or such other address
provided by the Grantee to the Company pursuant to this Section 15.

 

*
* * * *

 

    	7

    	 

    

 

IN
WITNESS WHEREOF, the Company and the Grantee have executed this Notice and agree that the Award is to be governed by the terms
and conditions of this Notice, the Plan, the Agreement and the Employment Agreement. This Agreement may not be amended or modified
in any manner that would impair the rights of Grantee without his prior written consent.

 

	IMPRIMIS
    PHARMACEUTICALS, INC.	 
	a
    Delaware corporation	 
	 	 	 
	By:	/s/
    Robert J. Kammer	 
	 	 	 
	Its:	Director	 
	 	 	 
	Date:	April
    25, 2016	 

 

    	8

    	 

    

 

ACCEPTANCE
OF AGREEMENT

 

Grantee,
Mark Baum, hereby: (a) acknowledges receiving a copy of the Plan, which has either been previously delivered or is provided with
this Agreement, and represents that he or she is familiar with and understands all provisions of the Plan and this Agreement;
and (b) voluntarily and knowingly accepts this Agreement and the Performance Stock Units granted to him under this Agreement subject
to all provisions of the Plan and this Agreement, including, without limitation, the provisions in the Agreement regarding “Triggering
Conduct” and “Special Forfeiture/Repayment Rules” set forth in Sections 4 and 5 of this Agreement. Grantee further
acknowledges receiving a copy of the Company’s most recent annual report to stockholders and other communications routinely
distributed to the Company’s stockholders and a copy of the Prospectus pertaining to the Plan.

 

	/s/
    Mark L. Baum 	 
	Grantee’s
    Signature	 
	 	 
	April 25, 2016 	 
	Date	 
	 	 
	 	 
	Address	 
	 	 
	 	 
	City,
    Sate & Zip	 
	 	 
	 	 
	Email
    Address	 
	 	 
	 	 
	Facsimile
    Number	 

 

    	9EXHIBIT 10.3

 

		 	12264
    El Camino Real Suite 350
	 	San Diego, CA 92130

                                                                               

	 	Main:
    858.704.4040
	 	Fax:
    858.345.1745
	 	www.imprimispharma.com

 

April
25, 2016

 

Mr.
Mark Baum

c/o
Imprimis Pharmaceuticals, Inc.

12264
El Camino Real, Suite 350

San
Diego, CA 92130

 

Dear
Mark,

 

Imprimis
Pharmaceuticals, Inc. (the “Company”)
is pleased to offer you the opportunity to earn a cash retention bonus (the “Retention Bonus”) on the
terms set forth in this letter (the “Letter”). We are offering you the opportunity to earn the Retention
Bonus because we recognize your importance to the continued success of the Company and to the successful closing of a “Change
in Control” (as defined below) of the Company. Subject to your execution, this Letter shall become effective as
of the date set forth above (the “Effective Date”) and upon its effectiveness shall supersede in its
entirety the retention letter agreement between you and the Company dated July 31, 2015.

 

1.Retention
Bonus. If all of the conditions set forth in this Letter are satisfied, the Company will pay you a Retention Bonus
in an amount equal to the following applicable percentage of the Change in Control Consideration, less applicable tax withholdings
on the Retention Bonus:

 

(a)1.5%
of the Change in Control Consideration, if the Closing Date occurs on or before the one-year anniversary of the Effective Date;

 

(b)1.3%
of the Change in Control Consideration, if the Closing Date occurs after the one-year anniversary of the Effective Date and on
or before the two-year anniversary of the Effective Date;

 

(c)1.1%
of the Change in Control Consideration, if the Closing Date occurs after the two-year anniversary of the Effective Date and on
or before the three-year anniversary of the Effective Date;

 

(d)0.9%
of the Change in Control Consideration, if the Closing Date occurs after the three-year anniversary of the Effective Date and
on or before the four-year anniversary of the Effective Date;

 

(e)0.7%
of the Change in Control Consideration, if the Closing Date occurs after the four-year anniversary of the Effective Date and on
or before the five-year anniversary of the Effective Date; and

 

(f)0%
of the Change in Control Consideration, if the Closing Date occurs after the five-year anniversary of the Effective Date.

 

    	 

    	 

    

 

2.Payment
Date. If the conditions for earning a Retention Bonus, as set forth in this letter, are satisfied in connection with
the Change in Control, you shall be paid your earned Retention Bonus only if and to the extent that the related Change in Control
Consideration is paid to the Company or the Company’s stockholders, as applicable, whether at closing of such transaction
or subsequently pursuant to application of any escrow, earn-out or other similar arrangement (such subsequent payments, collectively,
“Deferred Payments”), (i) in the same forms of consideration and (ii) in the same proportions of such
consideration as the Change in Control Consideration is paid by the acquiror in the Change in Control to the Company or the Company’s
stockholders, as applicable. Any securities issues to you hereunder, if any, shall be subject to the same or similar restrictions
imposed by the acquiror on the securities issued to the Company or the Company’s stockholders, as applicable, as set forth
in the definitive agreement pursuant to which the Change in Control occurs and such restrictions that are required by applicable
securities laws. Any earned Retention Bonus (other than any portion of the Retention Bonus related to Deferred Payments) shall
be distributed in lump sum payments to you as soon as practicable after the closing date of the Change in Control, but in no event
later than thirty (30) days following the date of such closing (the “Closing Date”). Any portion of
the Retention Bonus related to Deferred Payments shall be earned and paid to you only if and when the related Deferred Payments
are paid to the Company or the Company’s stockholders as applicable, (and subject to the same terms and conditions as applied
to the Company or the Company’s stockholders, as applicable); provided, however, that, to the extent that a condition imposed
on a Deferred Payment would not, in the reasonable determination of the Board constitute a “substantial risk of forfeiture”
(as defined in Treasury Regulations Section 1.409A-1(d)) and is not paid prior to the fifth (5th) anniversary of the
Closing Date or would otherwise cause you to be subject to the payment of additional tax pursuant to Section 409A of the Code,
you shall be paid the portion of the Retention Bonus relating to such Deferred Payment, subject to any reduction made by the Board
based on the Fair Market Value (as of the Closing Date) of such portion of the Retention Bonus relating to the Deferred Payment
for such condition (that is, the present value of the Retention Bonus that may be earned upon satisfaction of the condition),
in a lump sum on the thirtieth (30th) day following the Closing Date.

 

3.Conditions
to Payment.

 

(a)Continued
Employment. To earn your Retention Bonus, you must remain continuously employed as a full-time employee of the Company in
good standing through the Closing Date, or your employment must have been terminated by the Company without “Cause”
(as defined your Employment Agreement), or by you for “Good Reason,” (as defined in your Employment
Agreement) on or before the Closing Date, with payment occurring in accordance with paragraph 2 in either case. If, at any time
before the Closing Date, your employment terminates for any reason other than by the Company without Cause or by you for Good
Reason, including due to death or disability, your Retention Bonus will be forfeited.

 

(b)Expiration.
This Letter and your rights under this Letter will expire automatically on the five (5) year anniversary of the Effective Date
if a Change in Control has not closed before that date.

 

(c)Senior
Debt Subordination. The obligations of the Company to pay the Retention Bonus shall be subject and subordinated to the Company’s
obligations set forth in the Loan and Security Agreement, dated May 11, 2015, by and between IMMY Funding LLC, an affiliate of
Life Sciences Alternative Funding LLC and the Company, and the Company’s obligations to any future lenders as and when such
obligations are incurred.

 

4.Definitions.

 

“Board”
means the Board of Directors of the Company.

 

“Change
in Control” means a Change in Control as defined under the Company’s Amended and Restated 2007 Equity Incentive
Plan, as amended and restated on September 27, 2013. Notwithstanding anything to the contrary, if required to avoid additional
tax under Section 409A of the Code, the Change in Control must also be a change in control event described in Treas. Reg. Section
1.409A-3(i)(5).

 

    	2.

    	 

    

 

“Change
in Control Consideration” means the Fair Market Value of the total consideration paid by a buyer (whether to the
Company or its stockholders) to acquire the Company in a transaction constituting a Change in Control, as expressed as a dollar
amount, whether consideration is paid at the closing of such transaction or as Deferred Payments.

 

“Employment
Agreement” means the employment agreement between you and the Company dated April 25, 2016.

 

“Fair
Market Value” means the value determined by the Board as of the applicable date in its sole discretion, and such
determination shall be final and binding.

 

5.Section
409A. The terms of this Letter are intended to comply with (or to comply with an exemption from) Section 409A of the
Code, and related Treasury regulations (“Section 409A”), and will be interpreted accordingly; provided,
however, that the Company and its respective employees or representatives (including, without limitation, legal counsel) will
not have any liability to you with respect to any taxes, penalties, interest or other costs or expenses you may incur with respect
to or as a result of Section 409A or any other Federal, state or local tax provision or requirement applicable to you with respect
to the Retention Bonus. The Company and you agree to work together in good faith to consider amendments to this Letter and to
take such reasonable actions which are necessary, appropriate, or desirable to avoid imposition of any additional tax or income
recognition prior to actual payment to you under Section 409A. Payments pursuant to this Letter are intended to constitute separate
payments for purposes of Treas. Reg. Section 1.409A-2(b)(2) and the Retention Bonus payments (including Deferred Payments) are
intended to satisfy, to the greatest extent possible, the exemption from the application of Section 409A provided under Section
1.409A-1(b)(4) or any other exemption from the application of Section 409A and, to the extent not so exempt, the Retention Bonus
payments (including Deferred Payments) are intended to comply with Section 409A, including Treas. Reg. Section 1.409A-3(i)(5)(iv)
(special rules for certain delayed payments pursuant to a change in control event) and the applicable terms of this Letter pertaining
thereto shall be interpreted and applied accordingly, including, to the extent applicable, the requirement that any portions of
the Retention Bonus related to Deferred Payments shall only be paid in connection with a Change in Control transaction that constitutes
either a change in control event described in Treas. Reg. Section 1.409A-3(i)(5)(v) (change in the ownership of a corporation)
or Treas. Reg. Section 1.409A-3(i)(5)(vii) (change in the ownership of a substantial portion of a corporation’s assets).

 

6.Miscellaneous.

 

(a)This
Letter does not constitute an express or implied promise of continued employment for any period and does not alter your “at-will”
employment status. Except as otherwise required by applicable law or as may be expressly set forth in a separate agreement
between you and the Company, your employment with the Company is and will continue to be “at-will” and
may be terminated at any time with or without Cause or notice by the Company.

 

(b)No
provision of this Letter will be interpreted to impose an obligation on the Company to accept, agree to or otherwise consummate
any Change in Control the Company. The decision to consummate any Change in Control of the Company, and all terms and conditions
of any such transaction, including the amount, timing and form of consideration to be provided in connection therewith, will be
within the sole and absolute discretion of the Company.

 

    	3.

    	 

    

 

(c)The
Retention Bonus is a special incentive payment to you and will not be taken into account in computing the amount of any bonus,
incentive, pension, retirement, death or other benefit under any other bonus, incentive, pension, retirement, insurance or other
employee benefit plan of the Company, unless such plan or agreement expressly provides otherwise.

 

(d)Your
rights with respect to the Retention Bonus will be those of a general unsecured creditor of the Company, and under no circumstances
will this Letter or your rights hereunder give you an interest in any assets of the Company or entitle you to any rights as a
stockholder of the Company. Neither this Letter nor your rights under this Letter may be assigned by you, alienated, transferred,
garnished, or levied upon in any manner to or by any other party (whether by operation of law or otherwise). The rights and obligations
of the Company under this Letter will inure to the benefit of and will be binding upon the successors and assigns of the Company.

 

(e)This
Letter will be governed by the laws of the State of California. Any suit, action or other legal proceeding arising out of, or
relating to, this Letter will be brought in a court of competent jurisdiction located in San Diego County, California having subject
matter jurisdiction thereof and both parties agree to submit to the jurisdiction of such forum.

 

(f)This
Letter constitutes the entire agreement between you, on the one hand, and the Company, on the other hand, with respect to the
subject matter hereof, and supersedes any and all prior agreements or understandings with respect to the subject matter hereof,
whether written or oral. This Letter may be amended or modified only by a written instrument executed by you and the Company.
The Company’s obligations under this Letter shall be assumed by the acquiring or successor corporation in the Change in
Control. The Company shall withhold from any and all amounts payable under this Letter such federal, state, local and other taxes
as may be required to be withheld pursuant to any applicable law or regulation.

 

(g)This
Letter may be executed in one or more counterparts, each of which will be deemed to be an original but all of which together will
constitute one and the same instrument.

 

[REMAINDER
OF PAGE LEFT INTENTIONALLY BLANK]

 

    	4.

    	 

    

 

Acceptance

 

To
indicate your acceptance of the terms of this Letter, please sign and date this Letter in the space provided below. A duplicate
has been provided for your records.

 

Sincerely,

 

Imprimis
Pharmaceuticals, Inc.

 

	By:
    	/s/
    Robert J. Kammer	 
	 	 	 
	Name:
    	Robert
    J. Kammer	 
	 	 	 
	Title:
    	Director	 

 

Agreed
to and accepted:

 

	Signature:
    	/s/
    Mark L. Baum	 
	 	 	 
	Printed
    Name: 	Mark
    L. Baum	 
	 	 	 
	Date:
    	April
    25, 2016	 
	 	 	 

Enclosures

 

Duplicate
Original Letter

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