| STMicroelectronics Announces Status of Common Share Repurchase Program 
 Disclosure      of Transactions in Own Shares -- Period from Mar 20, 2023 to Mar 24, 2023
 
 AMSTERDAM      -- March 27, 2023 -- STMicroelectronics N.V. (the "Company" or      "STMicroelectronics"), a global semiconductor leader serving customers      across the spectrum of electronics applications, announces full details of      its common share repurchase program (the "Program") disclosed via a press      release dated July 1, 2021. The Program was approved by a shareholder      resolution dated May 27, 2021 and by the supervisory board.
 
 STMicroelectronics      N.V. (registered with the trade register under number 33194537) (LEI:      213800Z8NOHIKRI42W10) announces the repurchase (by a broker acting for the      Company) on the regulated market of Euronext Paris, in the period between      Mar 20, 2023 to Mar 24, 2023 (the "Period"), of 139,341 ordinary shares      (equal to 0.02% of its issued share capital) at the weighted average      purchase price per share of EUR 46.0032 and for an overall price of EUR      6,410,138.05.
 
 The purpose of these transactions under article 5(2)      of Regulation (EU) 596/2014 (the Market Abuse Regulation) was to meet      obligations arising from share option programmes, or other allocations of      shares, to employees or to members of the administrative, management or      supervisory bodies of the issuer or of an associate company.
 
 The      shares may be held in treasury prior to being used for such purpose and,      to the extent that they are not ultimately needed for such purpose, they      may be used for any other lawful purpose under article 5(2) of the Market      Abuse Regulation.
 
 Below is a summary of the repurchase transactions      made in the course of the Period in relation to the ordinary shares of      STMicroelectronics (ISIN: NL0000226223), in detailed form.
 
 Transactions      in Period
 
 Weighted Market on average which the Number of purchase      price shares were Dates of shares per share Total amount bought (MIC      transaction purchased (EUR) paid (EUR) code) ---------------      -------------- -------------- -------------- ------------- 20-Mar-23      28,601 45.1690 1,291,878.57 XPAR --------------- --------------      -------------- -------------- ------------- 21-Mar-23 27,980 46.0116      1,287,404.57 XPAR --------------- -------------- --------------      -------------- ------------- 22-Mar-23 27,807 46.1611 1,283,601.71 XPAR      --------------- -------------- -------------- -------------- -------------      23-Mar-23 27,283 46.5098 1,268,926.87 XPAR --------------- --------------      -------------- -------------- ------------- 24-Mar-23 27,670 46.1990      1,278,326.33 XPAR --------------- -------------- --------------      -------------- ------------- Total for Period 139,341 46.0032 6,410,138.05      --------------- -------------- -------------- -------------- -------------
 
 Following      the share buybacks detailed above, the Company holds in total 9,231,238      treasury shares, which represents approximately 1.0% of the Company's      issued share capital.
 
 In accordance with Article 5(1)(b) of the      Market Abuse Regulation and Article 2(3) of Commission Delegated      Regulation (EU) 2016/1052, a full breakdown of the individual trades in      the Program are disclosed on the ST website      (https://investors.st.com/stock-and-bond-information/share-buyback).
 
 About      STMicroelectronics
 
 At ST, we are more than 50,000 creators and      makers of semiconductor technologies mastering the semiconductor supply      chain with state-of-the-art manufacturing facilities. An integrated device      manufacturer, we work with more than 200,000 customers and thousands of      partners to design and build products, solutions, and ecosystems that      address their challenges and opportunities, and the need to support a more      sustainable world. Our technologies enable smarter mobility, more      efficient power and energy management, and the wide-scale deployment of      the Internet of Things and connectivity. ST is committed to becoming      carbon neutral by 2027. Further information can be found at www.st.com.
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