In the event the Board (or a committee of the Board) determines that the ongoing operation of the Plan may result in unfavorable
financial accounting consequences, the Board (or a committee of the Board) may, in its discretion and, to the extent necessary
or desirable, modify or amend the Plan to reduce or eliminate such accounting consequence including, but not limited to:
altering the Purchase Price for any Offering Period including an Offering Period underway at the time of the change in Purchase
shortening any Offering Period so that Offering Period ends on a new Exercise Date, including an Offering Period underway at the
time of the action of the Board (or a committee of the Board); and
modifications or amendments shall not require stockholder approval or the consent of any Plan Participants.
Notices. All notices or other communications by a Participant to the Company under or in connection with the Plan shall
be deemed to have been duly given when received in the form specified by the Company at the location, or by the person, designated
by the Company for the receipt thereof.
Conditions Upon Issuance of Shares. Shares shall not be issued with respect to an option unless the exercise of such option
and the issuance and delivery of such shares pursuant thereto shall comply with all applicable provisions of law, domestic or
foreign, including, without limitation, the Securities Act of 1933, as amended, the Securities Exchange Act of 1934, as amended,
the rules and regulations promulgated thereunder, and the requirements of any stock exchange upon which the shares may then be
listed, and shall be further subject to the approval of counsel for the Company with respect to such compliance.
a condition to the exercise of an option, the Company may require the person exercising such option to represent and warrant at
the time of any such exercise that the shares are being purchased only for investment and without any present intention to sell
or distribute such shares if, in the opinion of counsel for the Company, such a representation is required by any of the aforementioned
applicable provisions of law.
Term of Plan. The Plan shall become effective upon the latest to occur of its adoption by the Board, its approval by the
stockholders of the Company or such date designated by the Board. It shall continue in effect for a term of ten (10) years unless
sooner terminated under Section 20.
Equal Rights and Privileges. All Employees of the Company (or of any Designated Subsidiary) will have equal rights and
privileges under the Plan so that the Plan qualifies as an “employee stock purchase plan” within the meaning of Section
423 of the Code or applicable Treasury regulations thereunder. Any provision of the Plan that is inconsistent with Section 423
or applicable Treasury regulations will, without further act or amendment by the Company, the Board, be reformed to comply with
the equal rights and privileges requirement of Section 423 or applicable Treasury regulations.
No Employment Rights. Nothing in the Plan shall be construed to give any person (including any Employee or Participant)
the right to remain in the employ of the Company, or a Subsidiary or to affect the right of the Company, or any Subsidiary to
terminate the employment of any person (including any Employee or Participant) at any time, with or without cause.
Notice of Disposition of Shares. Each Participant shall give prompt notice to the Company of any disposition or other transfer
of any shares of Common Stock purchased upon exercise of an option if such disposition or transfer is made: (a) within two (2)
years from the Enrollment Date of the Offering Period in which the shares were purchased or (b) within one (1) year after the
Exercise Date on which such shares were purchased. Such notice shall specify the date of such disposition or other transfer and
the amount realized, in cash, other property, assumption of indebtedness or other consideration, by the Participant in such disposition
or other transfer. The Company has the authority to establish procedures regarding the ability of a Participant to transfer shares
of Common Stock in order to ensure compliance with this Section 26.
Choice of Law. The Plan shall be governed by and construed in accordance with the laws of the State of Missouri without
regard to conflicts of law.
foregoing amended and restated Plan was approved and adopted by the Committee on February 15, 2019, and approved by the Stockholders
on _____________________, _______.