Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

January 10, 2023

Commission File Number 001-16125

ASE Technology Holding Co., Ltd.
(Translation of registrant’s name into English)

26, Chin 3rd Road Kaohsiung, Taiwan Republic of China
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	ASE TECHNOLOGY HOLDING CO., LTD.


Date: January 10, 2023	By:	/s/ Joseph Tung
		Name: Joseph Tung
		Title: Chief Financial Officer

Investor Relations Contact:

ir@aseglobal.com

Tel: +886.2.6636.5678

http://www.aseglobal.com

ASE Technology Holding Co., Ltd.

Announces Monthly Net Revenues*

Taipei, Taiwan, R.O.C., january 10, 2023 – ASE Technology Holding Co., Ltd. (NYSE: ASX, TAIEX: 3711, “ASEH” or the “Company”), announces its unaudited consolidated net revenues for December, 4^th quarter and full year of 2022.

Consolidated net revenues (unaudited)

	Dec	Nov	Dec	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	53,211	60,107	59,665	-11.5%	-10.8%

	Dec	Nov	Dec	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	1,739	1,889	2,152	-8.0%	-19.2%

	Q4	Q3	Q4	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	177,490	188,626	172,936	-5.9%	+2.6%

	Q4	Q3	Q4
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	5,655	6,264	6,226	-9.7%	-9.2%

	FY	FY			YoY
(NT$ Million)	2022	2021			Change
Net Revenues	670,945	569,997			+17.7%

	FY	FY			YoY
(US$ Million)	2022	2021			Change
Net Revenues	22,581	20,399			+10.7%

Pro Forma Basis**

	Dec	Nov	Dec	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	53,211	60,107	57,376	-11.5%	-7.3%

	Dec	Nov	Dec	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	1,739	1,889	2,070	-8.0%	-16.0%

	Q4	Q3	Q4	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	177,490	188,626	166,158	-5.9%	+6.8%

	Q4	Q3	Q4	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	5,655	6,264	5,982	-9.7%	-5.5%

	FY	FY			YoY
(NT$ Million)	2022	2021			Change
Net Revenues	670,945	544,579			+23.2%

	FY	FY			YoY
(US$ Million)	2022	2021			Change
Net Revenues	22,581	19,490			+15.9%

Net revenues for ATM assembly, testing and material business are as follows:

atm net revenues (unaudited)

	Dec	Nov	Dec	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	28,462	32,650	31,011	-12.8%	-8.2%

	Dec	Nov	Dec	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	930	1,026	1,119	-9.4%	-16.9%

	Q4	Q3	Q4	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	94,322	98,831	91,958	-4.6%	+2.6%

	Q4	Q3	Q4	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	3,005	3,284	3,310	-8.5%	-9.2%

	FY	FY			YoY
(NT$ Million)	2022	2021			Change
Net Revenues	372,176	334,805			+11.2%

	FY	FY			YoY
(US$ Million)	2022	2021			Change
Net Revenues	12,551	11,978			+4.8%

Pro Forma Basis**

	Dec	Nov	Dec	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	28,462	32,650	28,722	-12.8%	-0.9%

	Dec	Nov	Dec	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	930	1,026	1,036	-9.4%	-10.2%

	Q4	Q3	Q4	Sequential	YoY
(NT$ Million)	2022	2022	2021	Change	Change
Net Revenues	94,322	98,831	85,180	-4.6%	+10.7%

	Q4	Q3	Q4	Sequential	YoY
(US$ Million)	2022	2022	2021	Change	Change
Net Revenues	3,005	3,284	3,066	-8.5%	-2.0%

	FY	FY			YoY
(NT$ Million)	2022	2021			Change
Net Revenues	372,176	309,387			+20.3%

	FY	FY			YoY
(US$ Million)	2022	2021			Change
Net Revenues	12,551	11,068			+13.4%

*This press release is intended to comply with Taiwan regulatory requirements.

** Pro forma basis excludes the disposed China Sites.

Safe Harbor Notice:

This press release contains "forward-looking statements" within the meaning of Section 27A of the United States Securities Act of 1933, as amended, and Section 21E of the United States Securities Exchange Act of 1934, as amended. Although these forward-looking statements, which may include statements regarding our future results of operations, financial condition or business prospects, are based on our own information and information from other sources we believe to be reliable, you should not place undue reliance on these forward-looking statements, which apply only as of the date of this press release. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “plan” and similar expressions, as they relate to us, are intended to identify these forward-looking statements in this press release. These forward-looking statements are necessarily estimates reflecting the best judgment of our senior management and our actual results of operations, financial condition or business prospects may differ materially from those expressed or implied by the forward-looking statements for reasons including, among others, risks associated with cyclicality and market conditions in the semiconductor or electronic industry; changes in our regulatory environment, including our ability to comply with new or stricter environmental regulations and to resolve environmental liabilities; demand for the outsourced semiconductor packaging, testing and electronic manufacturing services we offer and for such outsourced services generally; the highly competitive semiconductor or manufacturing industry we are involved in; our ability to introduce new technologies in order to remain competitive; international business activities; our business strategy; our future expansion plans and capital expenditures; the strained relationship between the Republic of China and the People’s Republic of China; general economic and political conditions; the recent shift in United States trade policies; possible disruptions in commercial activities caused by natural or human-induced disasters; fluctuations in foreign currency exchange rates; and other factors. For a discussion of these risks and other factors, please see the documents we file from time to time with the Securities and Exchange Commission, including the 2021 Annual Report on Form 20-F filed on March 29, 2022.

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