This Fourth Amendment to Contract Alfalfa Production Services Agreement (this "Amendment") is made this 2^nd day of August, 2018, by and between Pioneer Hi-Bred International, Inc., an Iowa corporation ("Pioneer"), and S&W Seed Company, a Nevada corporation ("Contractor") Pioneer and Contractor are collectively referred to herein as the "Parties" and each individually as a "Party".

WHEREAS, the Parties entered into that certain Contract Alfalfa Production Services Agreement dated December 31, 2014 (as thereafter amended from time to time, the "Agreement").

WHEREAS, the Parties now wish to amend the Agreement as provided in this Amendment.

WHEREAS, the parties did not contemplate their failure to complete the prior intended transfer of Pioneer's transgenic germplasm to S&W when completing the Third Amendment to the Distribution Agreement dated June 23, 2017.

NOW, THEREFORE, for and in consideration of the foregoing and the mutual covenants and agreements contained herein, and intending to be legally bound hereby, the Parties hereby agree as follows:

This Agreement shall be effective as of the date first written above and, unless terminated as set forth below in Section 15 (B) or Section 15(C), shall continue until May 31, 2019. Notwithstanding anything herein to the contrary, the parties acknowledge and agree that from the first date written above through the expiration or earlier termination of this Agreement: (i) Contractor shall conduct activities to complete the Production Services (inclusive of Field Services) with respect to the 2018 Contracted Amounts; (ii) Contractor shall not further engage in any future production with respect to any Alfalfa Varieties; (iii) Contractor shall not enter into any new, or amend, modify or terminate any existing Grower Contract or New Grower Contract without the prior written consent of Pioneer; (iv) Compensation of $[***] per [***] (of [***]) shall be due and payable by Pioneer with respect to the performance by Contractor of the services under the Agreement during the period commencing the date first written above and ending on the expiration or earlier termination of this Agreement; and (v) Contractor shall, in all events, remain

[***] = CONFIDENTIAL TREATMENT REQUESTED

liable for, and shall satisfy, pay and discharge, all amounts due and payable to any grower under any Grower Contract. (vi) Contractor will add an additional $[***] per [***] (of [***]) to cover the [***] that [***] agreed to pay, on [***], in the ***]. Total cost per unit to [***] will be $[***]. The additional $[***] per unit is a [***] to the [***]. Furthermore, S&W and Pioneer agree that [***] is currently [***] in the amount of $[***] for the [***] of [***] delivered to [***] from crop year 2017; the total [***] amount will consist of the amount derived from the [***], plus $[***]. [***] will begin [***] to the [***] on [***], for [***] reported [***] sales of [***] and [***] commencing with [***] sales for calendar 2018. [***] will continue to [***] until the [***], after which time [***] will have no further obligation to [***] to the [***] on [***] for [***] products.

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IN WITNESS WHEREOF, the Parties have executed and delivered this Amendment as of the date first above written.

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Exhibit F
2018 Contracted Amounts

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