The fourth Supplementary Agreement to the Joint Venture Contract on Incorporation of Chongqing Alpha and Omega Semiconductor Limited dated as of December 1, 2021 (English Translation)

This Supplementary Agreement (this " Supplementary Agreement ") is entered into in and becomes effective on December 1, 2021 (the "Effective Date") by and among the following Parties in Chongqing:

The above six parties are hereinafter collectively referred to as the "Parties" and, individually, a "Party." Strategic Industry Fund and Liangjiang Strategic Fund are hereinafter collectively referred to as the "Fund Parties". AOS, AOS SH, and APM SH are hereinafter collectively referred to as the "AOS Parties".

NOW, THEREFORE, to clarify the rights and obligations of the Parties after the completion of the above-mentioned changes in shareholders and shareholding structure and the adjustment relating

to the corporate governance of JV Company, the Parties have reached an agreement through negotiation and entered into this Supplementary Agreement as follows:

The Parties agree that the Board of Directors is composed of seven (7) directors, three (3) of whom will be appointed by AOS, three (3) of whom will be appointed by the Fund Parties and one (1) of whom will be jointly appointed by AOS and the Fund Parties, who shall be the general manager of the JV Company. Upon the establishment of the Employee Stock Ownership Partnership by the JV Company, the abovementioned director jointly appointed by AOS and the Fund Parties shall be replaced by the director appointed by the Employee Stock Ownership Partnership. During the term hereof, if the percentage of capital contribution of each Party changes, the Parties may amend this JV

Contract accordingly, including but not limited to making appropriate modifications to the composition of the board of directors and the number of directors appointed by each Party according to the agreement otherwise reached by the Parties at that time.

The senior officers include the general manager, the deputy general manager, the financial officer, secretary of the board of directors (if any) and the other personnel as stipulated in the Article of Association of the JV Company. The general manager shall be the legal representative of JV Company. The general manager and other senior officers of JV Company shall be appointed by the Board of Directors of JV Company.

After the subscription of the newly increased registered capital in the first round, the Employee Stock Ownership Partnership will hold certain equity interest of the JV Company, which represents USD 16,556,300 of the capital contribution to the JV Company at the price of 1USD per 1USD of capital contribution (the "First Round Employee Stock Ownership Plan");

After the subscription of the newly increased registered capital in the second round, the Employee Stock Ownership Partnership will hold certain equity interest of the JV Company, which totally represents USD 19,947,400 of the capital contribution to the JV Company, and the subscription price shall be subject to the approval by the internal authority of JV Company.

If the JV Company fails to establish the Employee Stock Ownership Partnership and complete capital increase to the JV Company with the contribution of USD 19,947,400 within 24 months from the date hereof, AOS Parties shall have the right to request [*] to perform in any of the following:

For the purpose of the above calculation, N = (1 - the amount of capital contribution made by the Employee Stock Ownership Partnership to JV Company within 24 months from the date hereof/USD 19,947,400). When N is zero or negative, [*] does not need to compensate AOS Parties.

the First Round Employee Stock Ownership Plan, the adjustment of seats of the board of directors and execution of new shareholders' contract and articles of association or amendments thereto.

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